CN217094378U - Stirring station is with large-scale rank nature raw materials sieving mechanism - Google Patents

Abstract

The utility model discloses a stirring station is with large-scale hierarchical raw materials sieving mechanism, including the screening case, the top of screening case is connected with a feeding section of thick bamboo, and the internally mounted of a feeding section of thick bamboo has the rotation axis, the surface of rotation axis is provided with the spiral plate, the inner wall of screening case is installed one grade and is divided the bank of screens, and the one-level bottom of dividing the bank of screens is provided with two grades and divides the bank of screens, the hopper is installed to the inside bottom of screening case. This stirring station is with large-scale hierarchical raw materials sieving mechanism, divide the bank of screens and second grade through dividing one grade to be in the same place, and the crisscross mounting means of left and right sides that both adopted, the upper strata divide the bank of screens and two grades of screens and the one grade of the bank of screens and second grade of screens and lower floor divide the bank of screens to be located same straight line, and both superpose from top to bottom and put together, so two sets of one grade of banks of screens and second grade divide the bank of screens to superpose together and can constitute one deck filtration once more, strengthen the filtration efficiency that one grade of screens and two grades of screens were divided.

Description

Stirring station is with large-scale rank nature raw materials sieving mechanism

Technical Field

The utility model relates to a relevant technical field of stirring station specifically is a stirring station is with large-scale hierarchical raw materials sieving mechanism.

Background

The mixing plant is mainly used for concrete construction engineering, mainly used for mixing concrete, is a new generation of cement concrete mixing equipment, is suitable for large-scale infrastructure construction engineering such as urban, rural and urban commodity premixed concrete, roads and bridges, water conservancy, airports, ports and the like and places with large demand for concrete, and is used for preparing, filtering and mixing raw materials, and is a common device in the mixing plant for screening devices, and is mainly used for screening the materials.

However, in the process of using the currently used raw material screening device for the mixing plant, the screening of the raw materials is not fine enough, and the raw materials cannot be screened in a grading manner according to the particle size of the materials, so that impurities with small particle size exist in the materials, and the quality of the raw material finished products is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stirring station is with large-scale hierarchical raw materials sieving mechanism to solve the raw materials sieving mechanism that the stirring station of the present use that provides in the above-mentioned background art used, in the use, careful inadequately to the screening of raw materials, can not carry out the screening of stepping according to the particle diameter of material, lead to having the impurity of less particle diameter in the material, influence the problem of the off-the-shelf quality of raw materials.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a stirring station is with large-scale hierarchical raw materials sieving mechanism, includes the screening case, the top of screening case is connected with a feeding section of thick bamboo, and the internally mounted of a feeding section of thick bamboo has the rotation axis, the surface of rotation axis is provided with the spiral plate, the inner wall of screening case is installed one grade and is divided the bank of screens, and the bottom that the bank of screens was divided to the one-level is provided with two grades of banks of screens, the hopper is installed to the inside bottom of screening case, the below of screening case is fixed with the mounting bracket, and the surface of mounting bracket is connected with the connecting rod, the inboard of mounting bracket is connected with three grades of banks of screens through the connecting rod, the installation balladeur train is installed to the rear side of hopper, the lifter is installed to one grade of banks of screens top that is close to screening incasement wall, and the left side of one grade of dividing the bank of screens installs vibrating motor, one grade of screens is through activity axostylus axostyle and screening case interconnect.

Preferably, linear guide is all installed to the inner wall left and right sides of two grades of sieve frames, and linear guide's surface mounting has linear electric motor, linear electric motor's inboard is through connecting piece and small-particle size screen cloth interconnect.

Preferably, the area size of the upper surface of the second-level sieve frame is consistent with the area size of the bottom of the first-level sieve frame, the first-level sieve frame corresponds to the second-level sieve frame one by one, and the first-level sieve frame and the second-level sieve frame are arranged in the screening box in a left-right staggered mode.

Preferably, the inside slidable mounting of installation balladeur train has the slider, and has swing joint board in the outside of slider through pivot swing joint, swing joint board's surface is rotated and is connected with the one end of swing joint arm, and swing joint arm's other end swing joint has the swivelling joint arm, the one end that the swivelling joint arm kept away from the swing joint arm has the motor through the hub connection.

Preferably, the hopper is in sliding connection with the mounting sliding frame through a sliding block, and the movable connecting plate is in movable connection with the rotary connecting arm through a movable connecting arm.

Preferably, a deceleration slope plate is arranged on the front side surface of the three-stage sieve frame, a stepped screen is mounted on the surface of the deceleration slope plate, and a collection frame is connected to the back of the deceleration slope plate.

Preferably, the speed reduction ramp plate is provided with a plurality of along the surperficial equidistance of three grades of sieve framves, and speed reduction ramp plate and collection frame one-to-one setting.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the large-scale hierarchical raw material screening device for the stirring station is characterized in that a first-level sieve frame and a second-level sieve frame are combined together and are installed in a left-right staggered mode, the upper first-level sieve frame and the lower second-level sieve frame are located on the same straight line, and the upper first-level sieve frame and the lower second-level sieve frame are overlapped up and down to be combined together, so that two groups of first-level sieve frames and two groups of second-level sieve frames are overlapped together to form a layer of filtering structure again, the filtering efficiency of the first-level sieve frame and the second-level sieve frames is enhanced, and the grain size of a mesh surface on the first-level sieve frame is smaller than that of the grain size of a mesh surface on the second-level sieve frame, so that the first-level sieve frame can preliminarily screen out materials with larger grain sizes, and the smaller grain sizes can smoothly enter the corresponding second-level sieve frames below;

2. the large-scale stepped raw material screening device for the mixing plant can be matched with a first-grade screening frame and a second-grade screening frame for use through the arrangement of a third-grade screening frame, materials are sequentially re-screened again, and grading screening can be performed according to the particle sizes of the materials, so that the particle size of a stepped screen on the surface of the third-grade screening frame is the same as that of a hopper, a speed-reducing slope plate can reduce the downward sliding speed of the materials, the materials can be screened by the stepped screen again in the downward sliding and discharging process, and the screened raw materials can fall onto a collecting frame mutually communicated with the speed-reducing slope plate;

3. the large-scale hierarchical raw material screening device for the mixing station can shake a hopper by forming a sliding relation between the hopper and a sliding frame, the flexibility of the hopper is improved, the sliding block is movably connected with the movable connecting plate, the movable connecting plate is movably connected with the movable connecting arm, the movable connecting arm is also movably connected with the rotary connecting arm, the rotary connecting arm is rotated by a motor, the movable connecting arm can be flexibly pulled to horizontally move along with the rotation of the rotary connecting arm due to the rotating structure between the rotary connecting arm and the movable connecting arm, so that the movable connecting plate is pulled to swing, the sliding block can drive the hopper to swing together, the hopper can sieve materials by shaking the hopper, and the mesh surface particle size of the hopper is smaller than the particle sizes of a first-level sieve frame and a second-level sieve frame, the material is again more finely filtered.

Drawings

FIG. 1 is a schematic front view of the present invention;

fig. 2 is a back structural schematic view of the mounting carriage of the present invention;

FIG. 3 is a schematic view of an exploded structure between a first-stage screening frame and a second-stage screening frame of the present invention;

fig. 4 is a schematic structural view of a three-stage sieve frame of the present invention.

In the figure: 1. a screening box; 2. a feeding cylinder; 3. a rotating shaft; 4. a spiral plate; 5. a first stage sieve frame; 6. a second stage sieve frame; 601. a linear guide rail; 602. a linear motor; 603. a small-particle-size screen mesh; 7. a hopper; 8. a mounting frame; 9. a connecting rod; 10. a three-stage sieve frame; 1001. a deceleration ramp plate; 1002. a step screen; 1003. a collection rack; 11. mounting a sliding frame; 1101. a slider; 1102. a movable connecting plate; 1103. an articulated arm; 1104. rotating the connecting arm; 1105. a motor; 12. a lifting rod; 13. a movable shaft lever; 14. a vibration motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a large-scale hierarchical raw material screening device for a stirring station comprises a screening box 1, wherein the top of the screening box 1 is connected with a feeding cylinder 2, a rotating shaft 3 is arranged in the feeding cylinder 2, a spiral plate 4 is arranged on the surface of the rotating shaft 3, a first-level screening frame 5 is arranged on the inner wall of the screening box 1, a second-level screening frame 6 is arranged at the bottom of the first-level screening frame 5, linear guide rails 601 are arranged on the left side and the right side of the inner wall of the second-level screening frame 6, linear motors 602 are arranged on the surfaces of the linear guide rails 601, the inner sides of the linear motors 602 are connected with small-particle-diameter screen meshes 603 through connecting pieces, the upper surface area size of the second-level screening frame 6 is consistent with the bottom area size of the first-level screening frame 5, the first-level screening frames 5 correspond to the second-level screening frames 6 one by one, the first-level screening frames 5 and the second-level screening frames 6 are arranged in a left-right staggered mode in the screening box 1, and the first-level screening frames 5 and the second-level screening frames 6 are combined together, the first-level sieve frame 5 and the second-level sieve frame 6 on the upper layer and the first-level sieve frame 5 and the second-level sieve frame 6 on the lower layer are positioned on the same straight line and are overlapped up and down, so that the two groups of first-level sieve frames 5 and the two groups of second-level sieve frames 6 are overlapped together to form a layer of filtering structure again, the filtering efficiency of the first-level sieve frame 5 and the second-level sieve frame 6 is enhanced, the grain size of a net surface on the first-level sieve frame 5 is smaller than that of a net surface on the second-level sieve frame 6, so that the first-level sieve frame 5 can primarily screen out materials with larger grain sizes, and the materials with smaller grain sizes can smoothly enter the corresponding second-level sieve frame 6 below;

the bottom in the screening box 1 is provided with a hopper 7, a mounting rack 8 is fixed below the screening box 1, the surface of the mounting rack 8 is connected with a connecting rod 9, the inner side of the mounting rack 8 is connected with a three-stage screening rack 10 through the connecting rod 9, the front side surface of the three-stage screening rack 10 is provided with a deceleration ramp 1001, the surface of the deceleration ramp 1001 is provided with a step screen 1002, the back of the deceleration ramp 1001 is connected with a collection rack 1003, the deceleration ramp 1001 is equidistantly arranged along the surface of the three-stage screening rack 10, the deceleration ramp 1001 and the collection rack 1003 are arranged in one-to-one correspondence, the three-stage screening rack 10 can be matched with the first-stage screening rack 5 and the second-stage screening rack 6 for use, the materials are sequentially sieved again, and can be graded according to the particle size of the materials, so the particle size of the step screen 1002 on the surface of the three-stage screening rack 10 is the same as the particle size in the hopper 7, the speed-reducing ramp plate 1001 can reduce the speed of the material sliding downwards, so that the material can be sieved by the stepped screen 1002 again in the process of sliding downwards and discharging, and the sieved raw material can fall onto a collecting rack 1003 mutually communicated with the speed-reducing ramp plate 1001;

the rear side of the hopper 7 is provided with an installation sliding frame 11, the inside of the installation sliding frame 11 is provided with a sliding block 1101 in a sliding way, the outer side of the sliding block 1101 is movably connected with a movable connecting plate 1102 through a rotating shaft, the surface of the movable connecting plate 1102 is rotatably connected with one end of a movable connecting arm 1103, the other end of the movable connecting arm 1103 is movably connected with a rotary connecting arm 1104, one end of the rotary connecting arm 1104, which is far away from the movable connecting arm 1103, is connected with a motor 1105 through a shaft, the hopper 7 is connected with the installation sliding frame 11 through the sliding block 1101 in a sliding way, the movable connecting plate 1102 is movably connected with the rotary connecting arm 1104 through the movable connecting arm 1103, the hopper 7 can be shaken through the sliding relation between the hopper 7 and the installation sliding frame 11, the flexibility of the hopper 7 is increased, the sliding block 1101 is movably connected with the movable connecting plate 1102, and the movable connecting plate 1102 is movably connected with the movable connecting arm 1103, meanwhile, the movable connecting arm 1103 is movably connected with the rotary connecting arm 1104, the rotary connecting arm 1104 is rotated by the motor 1105, and due to the fact that a rotating structure is arranged between the rotary connecting arm 1104 and the movable connecting arm 1103, the movable connecting arm 1103 can be flexibly pulled to horizontally move along with the rotation of the rotary connecting arm 1104, so that the movable connecting arm 1102 is pulled to swing, the sliding block 1101 can drive the hopper 7 to swing together, and therefore when the hopper 7 is shaken, the hopper 7 can sieve materials, the mesh surface grain size of the hopper 7 is smaller than that of the primary grade sieve frame 5 and the secondary grade sieve frame 6, and the materials are filtered more finely again;

lifting rods 12 are installed above one side, close to the inner wall of the screening box 1, of the first-level screening frame 5, vibration motors 14 are installed on the left side of the first-level screening frame 5, and the first-level screening frame 5 is connected with the screening box 1 through movable shaft rods 13.

The working principle is as follows: for the large-scale step-type raw material screening device for the mixing plant, firstly, raw materials are put into a feeding cylinder 2, a rotating shaft 3 is driven to rotate by a motor 1105 at the bottom, the raw materials are led into a screening box 1 below by a rotating spiral plate 4 and fall on a first-level screening frame 5 at the upper layer, the first-level screening frame 5 is driven to vibrate by a vibration motor 14 with the model of MVE60/3, the raw materials fall into a corresponding second-level screening frame 6 below by the first-level screening frame 5, the grain size of the net surface on the first-level screening frame 5 is smaller than that on the second-level screening frame 6, so that the first-level screening frame 5 primarily screens out materials with larger grain size, the materials with smaller grain size enter the corresponding second-level screening frame 6 below along the same trend, and a small-grain-size screen 603 is driven to move back and forth by the cooperation between a linear motor 602 and a linear guide rail 601, thereby filtering the material, and the material is filtered by two groups of first-level screening frames 5 and second-level screening frames 6 in turn and enters the hopper 7 below, secondly, the motor 1105 is utilized to rotate the rotating connecting arm 1104, because the rotating connecting arm 1104 and the movable connecting arm 1103 are of a rotating structure, the movable connecting arm 1103 can be flexibly pulled to horizontally move along with the rotation of the rotating connecting arm 1104, thereby pulling the movable connecting plate 1102 to swing, the sliding block 1101 can drive the hopper 7 to swing together, thus the hopper 7 can screen the material by swinging, secondly, the material can enter the third-level screening frame 10 below, the speed reduction slope plate 1001 on the third-level screening frame 10 can reduce the speed of the material sliding, thereby the material can be screened by the step screen 1002 again in the process of sliding and discharging, and finally, the screened material can fall onto the collecting frame 1003 mutually communicated with the speed reduction slope plate 1001, the use process of the large-scale graded raw material screening device for the whole mixing plant is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a stirring station is with large-scale hierarchical raw materials sieving mechanism, includes screening case (1), its characterized in that: the top of the screening box (1) is connected with a feeding cylinder (2), the interior of the feeding cylinder (2) is provided with a rotating shaft (3), the surface of the rotating shaft (3) is provided with a spiral plate (4), the inner wall of the screening box (1) is provided with a first grade sieve frame (5), the bottom of the first grade sieve frame (5) is provided with a second grade sieve frame (6), the bottom of the interior of the screening box (1) is provided with a hopper (7), a mounting frame (8) is fixed below the screening box (1), the surface of the mounting frame (8) is connected with a connecting rod (9), the inner side of the mounting frame (8) is connected with a third grade sieve frame (10) through the connecting rod (9), the rear side of the hopper (7) is provided with a mounting sliding frame (11), and a lifting rod (12) is arranged above one side, close to the inner wall of the screening box (1), of the first grade sieve frame (5), and a vibrating motor (14) is arranged on the left side of the primary screening frame (5), and the primary screening frame (5) is connected with the screening box (1) through a movable shaft lever (13).

2. The large-scale graded raw material screening device for the mixing plant according to claim 1, wherein: linear guide (601) are all installed to the inner wall left and right sides of two grades of sieve frames (6), and linear guide's (601) surface mounting has linear electric motor (602), the inboard of linear electric motor (602) is through connecting piece and small-particle size screen cloth (603) interconnect.

3. The large-scale graded raw material screening device for the mixing plant according to claim 2, characterized in that: the upper surface area size of two grades of sieve frames (6) is unanimous with the bottom area size of one grade of sieve frame (5), and one grade divides sieve frame (5) and second grade to divide sieve frame (6) one-to-one to one, and one grade divides sieve frame (5) and second grade to divide sieve frame (6) to control crisscross setting in the inside of screening case (1).

4. The large-scale graded raw material screening device for the mixing plant according to claim 1, wherein: the utility model discloses an installation sliding rack, including installation carriage (11), the inside slidable mounting of installation carriage (11) has slider (1101), and the outside of slider (1101) has swing joint board (1102) through pivot swing joint, the surface of swing joint board (1102) rotates the one end that is connected with swing joint arm (1103), and the other end swing joint of swing joint arm (1103) has swivelling joint arm (1104), the one end that swivelling joint arm (1104) kept away from swing joint arm (1103) is connected with motor (1105) through the axle.

5. The large-scale graded raw material screening device for the mixing plant according to claim 4, wherein: the hopper (7) is in sliding connection with the mounting sliding frame (11) through a sliding block (1101), and the movable connecting plate (1102) is in movable connection with the rotary connecting arm (1104) through a movable connecting arm (1103).

6. The large-scale graded raw material screening device for the mixing plant according to claim 1, wherein: the front side surface of the three-stage sieve frame (10) is provided with a speed reduction slope plate (1001), the surface of the speed reduction slope plate (1001) is provided with a stepped screen (1002), and the back of the speed reduction slope plate (1001) is connected with a collection frame (1003).

7. The large-scale graded raw material screening device for the mixing plant according to claim 6, wherein: the speed reduction ramp plates (1001) are arranged on the surface of the three-stage sieve frame (10) at equal intervals, and the speed reduction ramp plates (1001) and the collection frame (1003) are arranged in a one-to-one correspondence mode.

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