Raw material screening device for internal doping type anti-seepage and anti-rust concrete

Abstract

The utility model relates to the technical field of concrete production equipment, and discloses a raw material screening device for internal mixing type anti-seepage and anti-rust concrete, which comprises a screening box, a collecting box is arranged on the inner bottom wall of the screening box, and U-shaped seats are arranged on the left side and the right side of the inner wall of the screening box. According to the raw material screening device for the internal mixing type anti-seepage and anti-rust concrete, by arranging the clamping assemblies, when a screening plate needs to be disassembled and replaced, a material taking box door is opened firstly, then a left pressing plate and a right pressing plate are pressed to move oppositely, and under the cooperative use of the two pressing plates and two clamping shafts, the screening plate can be disassembled and replaced; and two clamping shafts are moved out of clamping grooves in the outer portion of the screening plate, then the screening plate is pulled forwards to be pulled out of two U-shaped bases, then the purpose of conveniently disassembling the screening plate is achieved, bolts do not need to be disassembled one by one through a special disassembling tool, disassembling is convenient and fast, the practicability of the device is improved, and the device is convenient to use by workers.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete production equipment, in particular to a raw material screening device for internally mixed anti-seepage and anti-rust concrete. Background Art

[0002] At present, in the production process of internally-admixed anti-seepage and rust-proof concrete, a screening device is needed to screen its raw materials. However, the traditional raw material screening device for internally-admixed anti-seepage and rust-proof concrete still has some defects when in use. For example, the screen plate is fixed to the device by bolts and other parts. When it needs to be disassembled and replaced, it is necessary to use special disassembly tools to disassemble the bolts one by one, which is time-consuming and labor-intensive. At the same time, dust is easily generated during screening, and the existing screening device cannot clean the dust. Therefore, a raw material screening device for internally-admixed anti-seepage and rust-proof concrete is proposed to solve the above-mentioned technical problems. Utility Model Content

[0003] 1. Technical issues to be solved

[0004] In view of the shortcomings of the prior art, the utility model provides a raw material screening device for internally-admixed anti-seepage and rust-resistant concrete, which has the advantages of easy disassembly of the sieve plate and the ability to clean up dust, etc., and solves some defects of traditional raw material screening devices for internally-admixed anti-seepage and rust-resistant concrete during use. For example, the sieve plate is fixed to the device by bolts and other components. When it needs to be disassembled and replaced, special disassembly tools need to be used to remove the bolts one by one, which is time-consuming and labor-intensive. At the same time, dust is easily generated during screening, and the existing screening devices cannot clean up the dust.

[0005] (II) Technical solution

[0006] In order to achieve the above-mentioned purpose of facilitating the disassembly of the sieve plate and cleaning up the dust, the utility model provides the following technical solutions: a raw material screening device for internally-admixed anti-seepage and rust-resistant concrete, comprising a screening box, the inner bottom wall of the screening box is provided with a collecting box, the left and right sides of the inner wall of the screening box are provided with U-shaped seats, the interior of the left U-shaped seat is provided with a screening plate with one end slidably connected to the interior of the right U-shaped seat, the interiors of the two U-shaped seats are provided with mounting cavities, the interiors of the two mounting cavities are provided with clamping assemblies, and the opposite sides of the two clamping assemblies are respectively connected to the screening plate The left and right side walls are connected, and the right side wall of the screening box is provided with a dust suction component with one end extending into the interior thereof, and the left and right sides of the inner wall of the screening box are provided with positioning blocks located above the U-shaped seat, and a connecting spring is provided between the bottom of the positioning block and the top of the U-shaped seat, and the left side wall of the screening box is provided with a motor fixing frame, and a driving motor is provided inside the motor fixing frame, and a rotating shaft with one end extending into the interior of the screening box and rotatably connected to the right side of the inner wall thereof is provided at the output shaft of the driving motor, and two eccentric extrusion wheels symmetrically distributed on the left and right are provided on the outside of the rotating shaft;

[0007] The clamping assembly includes a pressing plate, the inner top walls of the two installation cavities are each provided with a pressing plate with one end extending to the bottom of the U-shaped seat, compression springs are each provided between the opposite sides of the two pressing plates and the opposite inner walls of the two installation cavities, and the opposite sides of the two pressing plates are each provided with a clamping shaft, and the opposite sides of the two clamping shafts respectively extend to the outside of the two U-shaped seats and are respectively connected to the left and right side walls of the screening plate;

[0008] The dust suction assembly includes a dust suction box, a right side wall of the screening box is provided with a dust suction box, a right side wall of the dust suction box is provided with a fan fixing plate, a filter frame is provided on the right side of the inner wall of the dust suction box, a filter plate is provided on the inner wall of the filter frame, a dust suction fan is provided at the bottom of the fan fixing plate, an air inlet end of the dust suction fan extends to the interior of the filter frame, an inner top wall of the dust suction box is provided with a dust suction pipe with one end extending to the interior of the screening box, and an air outlet end of the dust suction fan is located outside the dust suction box.

[0009] Preferably, a material taking box door is provided on the front side wall of the screening box, and a feed hopper having one end extending into the interior thereof is fixedly connected to the top of the screening box.

[0010] Preferably, both left and right side walls of the screening plate are provided with a clamping groove adapted to the clamping shaft.

[0011] Preferably, the inner bottom wall of the installation cavity is connected to a long hole which is opened on the U-shaped seat and matches the moving track of the pressing plate.

[0012] Preferably, a dust removal box door is provided on the front side wall of the dust collection box.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a raw material screening device for internally mixed anti-seepage and anti-rust concrete, which has the following beneficial effects:

[0015] 1. The raw material screening device for internally-admixed anti-seepage and rust-resistant concrete is provided with a snap-on assembly. When the screening plate needs to be disassembled and replaced, the material box door is first opened, and then the left and right pressing plates are pressed to move them back to back. With the coordinated use of the two pressing plates and the two snap-on shafts, the two snap-on shafts are moved out of the snap-on grooves outside the screening plate, and then the screening plate is pulled forward to be pulled out from the two U-shaped seats, thereby achieving the purpose of facilitating the disassembly of the screening plate. There is no need to use special disassembly tools to disassemble the bolts one by one, and the disassembly is relatively convenient, thereby improving the practicality of the device.

[0016] 2. The raw material screening device for internally mixed anti-seepage and rust-resistant concrete is provided with a dust suction component, and the dust suction fan is started to extract the air inside the dust suction box to form a negative pressure inside the dust suction box. At this time, the dust inside the screening box can be sucked into the dust suction box through the dust suction pipe, thereby achieving the purpose of cleaning the dust, avoiding the dust from affecting the working environment, and further improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front view cross-sectional schematic diagram of the utility model;

[0018] Figure 2 For this utility model Figure 1 Enlarged schematic diagram at point A in the middle.

[0019] In the figure: 1. Screening box; 2. Collecting box; 3. U-shaped seat; 4. Screening plate; 5. Mounting cavity; 6. Snap-on assembly; 61. Pressing plate; 62. Compression spring; 63. Snap-on shaft; 7. Dust suction assembly; 71. Dust suction box; 72. Fan fixing plate; 73. Filter frame; 74. Filter plate; 75. Dust suction fan; 76. Dust suction pipe; 8. Positioning block; 9. Connecting spring; 10. Motor fixing frame; 11. Driving motor; 12. Rotating shaft; 13. Eccentric extrusion wheel. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-2A raw material screening device for internally mixed anti-seepage and rust-resistant concrete comprises a screening box 1, a material taking box door is arranged on the front side wall of the screening box 1, a feeding hopper with one end extending to the inside thereof is fixedly connected to the top of the screening box 1, a collecting box 2 is placed on the inner bottom wall of the screening box 1, U-shaped seats 3 are slidably connected to the left and right sides of the inner wall of the screening box 1, a screening plate 4 with one end slidably connected to the inside of the right U-shaped seat 3 is slidably connected inside the left U-shaped seat 3, an installation cavity 5 is opened inside the two U-shaped seats 3, and a clamping assembly 6 is movably connected inside the two installation cavities 5, and the opposite sides of the two clamping assemblies 6 are clamped to the left and right side walls of the screening plate 4 respectively, and the clamping assembly 6 includes a pressing plate 61, the inner top walls of the two installation cavities 5 are slidably connected to the pressing plate 61 with one end extending to the bottom of the U-shaped seat 3, the inner bottom wall of the installation cavity 5 is connected to a long hole opened on the U-shaped seat 3 and adapted to the moving trajectory of the pressing plate 61, compression springs 62 are fixedly connected between the opposite sides of the two pressing plates 61 and the opposite inner walls of the two installation cavities 5, the opposite sides of the two pressing plates 61 are fixedly connected to the clamping shaft 63, the left and right side walls of the screening plate 4 are opened with clamping grooves adapted to the clamping shaft 63, the opposite sides of the two clamping shafts 63 extend to the outside of the two U-shaped seats 3 respectively and are clamped with the left and right side walls of the screening plate 4 respectively.

[0022] The right side wall of the screening box 1 is fixedly connected to a dust suction component 7 having one end extending into the interior thereof, the dust suction component 7 comprises a dust suction box 71, the right side wall of the screening box 1 is fixedly connected to the dust suction box 71, the front side wall of the dust suction box 71 is provided with a dust removal box door, the right side wall of the dust suction box 71 is fixedly connected to a fan fixing plate 72, the right side of the inner wall of the dust suction box 71 is fixedly connected to a filter frame 73, the inner wall of the filter frame 73 is fixedly connected to a filter plate 74, the bottom of the fan fixing plate 72 is fixedly connected to a dust suction fan 75, the air inlet end of the dust suction fan 75 extends to the interior of the filter frame 73, the inner top wall of the dust suction box 71 is connected to a dust suction pipe 76 having one end extending into the interior of the screening box 1, and the air outlet end of the dust suction fan 75 is located outside the dust suction box 71.

[0023] The left and right sides of the inner wall of the screening box 1 are fixedly connected with positioning blocks 8 located above the U-shaped seat 3, and a connecting spring 9 is fixedly connected between the bottom of the positioning block 8 and the top of the U-shaped seat 3. The left side wall of the screening box 1 is fixedly connected with a motor fixing frame 10, and the interior of the motor fixing frame 10 is fixedly connected with a driving motor 11. The output shaft of the driving motor 11 is fixedly connected with a rotating shaft 12, one end of which extends to the interior of the screening box 1 and is rotatably connected to the right side of the inner wall thereof, and the outside of the rotating shaft 12 is fixedly connected with two eccentric extrusion wheels 13 that are symmetrically distributed on the left and right.

[0024] It is worth noting that the dust suction fan 75 and the drive motor 11 appearing in the present application document are both externally connected to a control switch and a drive power supply, and the dust suction fan 75 and the drive motor 11 are both conventionally known devices, and the standard parts used in the present application document can be purchased from the market. The specific connection method of each part is connected by conventional means such as mature bolts, rivets, welding, etc. in the prior art, and the machinery, parts and equipment are all conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art. The contents not described in detail in the description belong to the prior art known to professional and technical personnel in this field, and will not be described in detail here.

[0025] In summary, the raw material screening device for internally mixed anti-seepage and rust-resistant concrete is provided with a snap-on assembly 6. When the screening plate 4 needs to be disassembled and replaced, the material box door is first opened, and then the left and right pressing plates 61 are pressed to move them back to back. With the cooperation of the two pressing plates 61 and the two snap-on shafts 63, the two snap-on shafts 63 are moved out of the snap-on grooves outside the screening plate 4. Then, the screening plate 4 is pulled forward to be pulled out from the two U-shaped seats 3, thereby achieving the purpose of facilitating the disassembly of the screening plate. There is no need to use special disassembly tools to disassemble the bolts one by one. The disassembly is relatively convenient, which improves the practicality of the device. By providing a dust suction assembly 7 and starting the dust suction fan 75, the dust suction fan 75 is The air inside the dust box 71 is extracted to form a negative pressure inside it. At this time, the dust inside the screening box 1 can be sucked into the dust box 71 through the dust suction pipe 76, thereby achieving the purpose of cleaning the dust, avoiding the dust from affecting the working environment, and further improving the practicality of the device. It solves the problem that some defects still exist in the traditional raw material screening device for internal admixture anti-seepage and rust-resistant concrete during use. For example, the screen plate is fixed to the device by bolts and other components. When it needs to be disassembled and replaced, it is necessary to use special disassembly tools to remove the bolts one by one. Disassembly is time-consuming and labor-intensive. At the same time, dust is easily generated during screening, and the existing screening device cannot clean the dust.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A raw material screening device for internally mixed anti-seepage and anti-rust concrete, comprising a screening box (1), characterized in that: The inner bottom wall of the screening box (1) is provided with a collecting box (2), the inner wall of the screening box (1) is provided with U-shaped seats (3) on both sides, the left U-shaped seat (3) is provided with a screening plate (4) having one end slidably connected to the inside of the right U-shaped seat (3), the two U-shaped seats (3) are provided with mounting cavities (5), the two mounting cavities (5) are provided with snap-fit ​​assemblies (6), the opposite sides of the two snap-fit ​​assemblies (6) are respectively connected to the left and right side walls of the screening plate (4), the right side wall of the screening box (1) is provided with a dust collecting assembly (7) having one end extending to the inside thereof, and the screening plate (4) is provided with a dust collecting assembly (7) on both sides. Positioning blocks (8) located above the U-shaped seat (3) are arranged on both left and right sides of the inner wall of the box (1); a connecting spring (9) is arranged between the bottom of the positioning block (8) and the top of the U-shaped seat (3); a motor fixing frame (10) is arranged on the left side wall of the screening box (1); a driving motor (11) is arranged inside the motor fixing frame (10); a rotating shaft (12) is arranged at the output shaft of the driving motor (11), one end of which extends into the interior of the screening box (1) and is rotatably connected to the right side of the inner wall thereof; two eccentric extrusion wheels (13) are arranged outside the rotating shaft (12) and are symmetrically distributed on the left and right sides; The clamping assembly (6) comprises a pressing plate (61), the inner top walls of the two installation cavities (5) are each provided with a pressing plate (61) with one end extending to the bottom of the U-shaped seat (3), compression springs (62) are each provided between the opposite sides of the two pressing plates (61) and the opposite inner walls of the two installation cavities (5), and clamping shafts (63) are each provided on the opposite sides of the two pressing plates (61), and the opposite sides of the two clamping shafts (63) respectively extend to the outside of the two U-shaped seats (3) and are respectively connected to the left and right side walls of the screening plate (4); The dust collection assembly (7) comprises a dust collection box (71), the right side wall of the screening box (1) is provided with a dust collection box (71), the right side wall of the dust collection box (71) is provided with a fan fixing plate (72), the right side of the inner wall of the dust collection box (71) is provided with a filter frame (73), the inner wall of the filter frame (73) is provided with a filter plate (74), a dust collection fan (75) is provided at the bottom of the fan fixing plate (72), the air inlet end of the dust collection fan (75) extends to the inside of the filter frame (73), the inner top wall of the dust collection box (71) is provided with a dust collection pipe (76) with one end extending to the inside of the screening box (1), and the air outlet end of the dust collection fan (75) is located outside the dust collection box (71).

2. The raw material screening device for internally mixed anti-seepage and anti-rust concrete according to claim 1 is characterized in that: The front side wall of the screening box (1) is provided with a material taking box door, and the top of the screening box (1) is fixedly connected to a material feeding hopper with one end extending into the interior thereof.

3. The raw material screening device for internally mixed anti-seepage and anti-rust concrete according to claim 1 is characterized in that: The left and right side walls of the screening plate (4) are both provided with clamping grooves adapted to the clamping shaft (63).

4. The raw material screening device for internally mixed anti-seepage and anti-rust concrete according to claim 1 is characterized in that: The inner bottom wall of the installation cavity (5) is connected to a long hole which is opened on the U-shaped seat (3) and matches the moving track of the pressing plate (61).

5. The raw material screening device for internally mixed anti-seepage and anti-rust concrete according to claim 1 is characterized in that: The front side wall of the dust collection box (71) is provided with a dust removal box door.

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