CN218655428U - Multistage vibration mechanism of coarse sand screening machine - Google Patents

Abstract

The application discloses multistage vibration mechanism of coarse sand screening machine belongs to coarse sand screening machine technical field, including lower casing, the inside fixed mounting of casing has vibrating motor down, vibrating motor's output shaft end fixedly connected with installing frame, casing and installing frame opposite side fixed mounting have a plurality of elastic connection spare that are the distribution of annular array down, the cross-section of installing frame is U type structure, it installs multistage screening subassembly to rotate between the both sides inner wall of installing frame, multistage screening subassembly includes that a plurality of vertical direction of edge rotate screen box and the collecting box of installing on the installing frame both sides wall, and the collecting box is located the below of screen box, and is a plurality of the equal fixed mounting in bottom of screen box has the unloading pipe. This application can make the grit of keeping somewhere on sieve and collecting box bottom inner wall, and one side along the direction of slope cunning to the discharging pipe conveniently gets the material, has synchronous multistage screening function simultaneously, has improved screening efficiency.

Description

Multistage vibration mechanism of coarse sand screening machine

Technical Field

The application relates to the technical field of coarse sand screening machines, and more particularly relates to a multistage vibrating mechanism of a coarse sand screening machine.

Background

Dry powder mortar, also called dry-mixed mortar, is a granular or powdery material which is formed by physically mixing dry-screened aggregate, inorganic cementing material, additive and the like according to a certain proportion, is transported to a construction site in a bag or bulk form, and can be directly used after being mixed with water; the dry-mixed mortar is used as a thin layer in the building industry to play the roles of bonding, lining, protection and decoration, the production of dry-mixed mortar comprises the pretreatment of raw materials, which means the drying and screening of raw material sand, so that the indexes of granularity, gradation, water content and the like meet the formula requirements, the treatment effect has important influence on the mortar quality and the subsequent mechanized construction and the final engineering quality, the sand screening is divided into four grain size grades of 0-0.6mm,0.6-1.18mm,1.18-2.36mm and 2.36-4.75mm according to the production requirement of common mortar, and different types of mortar products need corresponding gradation sand, so a screening machine is needed to be used for screening the dry sand into gradation sand with different grain sizes, and the requirement for producing different types of dry-mixed mortar is met.

In view of the above-mentioned related technologies, the applicant believes that, at present, some coarse sand screening machines have a multi-stage vibration mechanism to screen out sand with different particle sizes, but after the equipment stops working, some sand is inevitably retained in the screen box, and the material is difficult to take.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the application provides a multistage vibrating mechanism of coarse sand screening machine, adopts following technical scheme:

the utility model provides a multistage vibrating mechanism of coarse sand screening machine, includes the casing down, the inside fixed mounting of casing has vibrating motor down, vibrating motor's output shaft tip fixedly connected with installing frame, casing and installing frame one side fixed mounting in opposite directions have a plurality of elastic connecting piece that are the distribution of annular array down, the cross-section of installing frame is U type structure, rotate between the both sides inner wall of installing frame and install multistage screening subassembly, multistage screening subassembly includes that a plurality ofly rotate screen box and the collecting box of installing on the installing frame both sides wall along vertical direction, and the collecting box is located the below of screen box, and is a plurality of the equal fixed mounting in bottom of screen box has the unloading pipe, and is a plurality of all through unloading pipe fixed through connection between the screen box, between screen box and the collecting box, be located the top fixed mounting of top screen box and have the feeder hopper, one side of casing has the material case through support frame fixed mounting down, the top of material case is open setting, the inside of material case is provided with assorted conveying subassembly.

Further, it is a plurality of equal fixed mounting has the sieve on the inner wall of sieve case, and is a plurality of the sieve mesh diameter successive layer of sieve reduces.

Through above-mentioned technical scheme, can sieve the grit of different particle sizes.

Furthermore, a plurality of sieve case and equal fixed mounting have the discharging pipe on the lateral wall of collecting box, and are a plurality of the discharging pipe is along the horizontal plane crisscross distribution.

Through above-mentioned technical scheme, be convenient for get the material.

Furthermore, the inner wall of the bottom of the screen box is obliquely arranged along one side of the discharging pipe, and the inner wall of the bottom end of the collecting box is of a conical structure.

Through above-mentioned technical scheme, play the effect of drainage.

Furthermore, it is a plurality of the equal fixed mounting of both sides wall of sieve case and collecting box has the axis of rotation, fixed mounting has step motor on the lateral wall of installing frame, and is adjacent a plurality of with step motor the axis of rotation all rotates and runs through the outside that extends to the installing frame and fixed cover is equipped with the drive wheel, and is a plurality of around being equipped with the driving band on the drive wheel, step motor's output shaft and adjacent axis of rotation fixed connection.

Through above-mentioned technical scheme, when whole device screening had been accomplished the stop work, start step motor, drive adjacent axis of rotation and rotate, further through the transmission of drive wheel with the driving band, drive a plurality of axis of rotation and rotate, and then can drive collecting box and a plurality of sieve case and rotate to the angle of adjustable collecting box and a plurality of sieve case makes it incline towards the direction of discharging pipe, conveniently gets the material.

Furthermore, the conveying assembly comprises a feeding conveying box, the feeding conveying box is fixedly installed inside the material box through a support frame, a spiral conveying rod is installed inside the feeding conveying box in a rotating mode, a conveying motor is fixedly installed at the top of the feeding conveying box, and an output shaft of the conveying motor penetrates through the feeding conveying box and is fixedly connected with the spiral conveying rod.

Through above-mentioned technical scheme, start conveying motor, drive the screw conveyor pole and carry out synchronous rotation to make the coarse sand in the material case carry to the upper end of material case through the screw conveyor pole.

Furthermore, a conveying pipe is fixedly mounted on one side wall of the feeding conveying box, and one end, far away from the feeding conveying box, of the conveying pipe extends to the inside of the feeding hopper.

Through above-mentioned technical scheme, carry the coarse sand to the feeder hopper in through the conveyer pipe.

To sum up, the application comprises the following beneficial technical effects:

(1) When the whole device finishes screening and stops working, the angles of the collection box and the plurality of screen boxes are adjusted to incline towards the discharge pipe, so that gravels left on the sieve plates and the inner walls of the bottoms of the collection boxes slide to one side of the discharge pipe along the inclined direction, and material taking is facilitated;

(2) When the device is used, the multi-stage screening assembly is arranged to perform synchronous multi-stage screening treatment on coarse sand, so that the screening efficiency is improved;

(3) Through setting up material case and conveying component, can carry the grit, do not need artificial manual pay-off, improved the practicality.

Drawings

FIG. 1 is a schematic diagram of a multi-stage vibratory mechanism for a grit screening machine;

FIG. 2 is a schematic view of the internal structure of the lower housing of the present application;

FIG. 3 is a schematic cross-sectional structural view of a multi-stage screen assembly of the present application;

FIG. 4 is a schematic view of the present application showing the mounting arrangement of the drive belt, drive wheel and rotary shaft;

fig. 5 is a cross-sectional structural schematic of the delivery assembly of the present application.

The numbering in the figures illustrates:

1. a material box; 2. a feeding conveying box; 3. a support frame; 4. a conveying motor; 5. a delivery pipe; 6. a feed hopper; 7. a screen box; 8. installing a frame; 9. a stepping motor; 10. a discharge pipe; 11. a collection box; 12. a lower housing; 13. a rotating shaft; 14. a drive belt; 15. a drive wheel; 16. a discharging pipe; 17. a vibration motor; 18. an elastic connecting member; 19. a sieve plate; 20. a screw conveying rod.

Detailed Description

The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the embodiments described are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without making creative efforts based on the embodiments in the present application belong to the protection scope of the present application.

In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.

The present application is described in further detail below with reference to figures 1-5.

Referring to fig. 1-5, a multistage vibration mechanism of a coarse sand screening machine comprises a lower shell 12, a vibration motor 17 is fixedly installed inside the lower shell 12, an output shaft end of the vibration motor 17 is fixedly connected with a mounting frame 8, a plurality of elastic connecting pieces 18 distributed in an annular array are fixedly installed on one opposite side of the lower shell 12 and the mounting frame 8, the vibration motor 17 is started to drive the mounting frame 8 to vibrate synchronously, the section of the mounting frame 8 is in a U-shaped structure, a multistage screening assembly is rotatably installed between the inner walls of the two sides of the mounting frame 8 and used for screening out gravels with different particle sizes, the multistage screening assembly comprises a plurality of screen boxes 7 and a collection box 11 rotatably installed on the two side walls of the mounting frame 8 along the vertical direction, the collection box 11 is located below the screen boxes 7, a blanking pipe 16 is fixedly installed at the bottoms of the plurality of screen boxes 7, and the screen boxes 7 and the collection box 11 are fixedly connected through the blanking pipe 16, the inner walls of the sieve boxes 7 are fixedly provided with the sieve plates 19, the diameters of sieve holes of the sieve plates 19 are reduced layer by layer, the mounting frame 8 can drive the 7-stage collecting boxes 11 of the sieve boxes to synchronously vibrate, the sand with smaller particle size passes through the sieve holes after being sieved and further reaches the next-stage sieve box 7 through the blanking pipe 16, finally the sand with small particle size reaches the collecting box 11 through the blanking pipe 16, coarse sand is synchronously screened in multiple stages, the screening efficiency is improved, the discharging pipes 10 are fixedly arranged on one side wall of the sieve boxes 7 and one side wall of the collecting box 11, the sand with different particle sizes after being sieved can come out through the discharging pipes 10, the discharging pipes 10 are distributed in a staggered mode along the horizontal plane, the sand is convenient to collect, the inner bottom inner wall of the sieve box 7 is obliquely arranged along one side of the blanking pipe 16, and the inner wall of the bottom end of the collecting box 11 is in a conical structure, plays a role of drainage.

The two side walls of the plurality of screen boxes 7 and the collecting box 11 are fixedly provided with rotating shafts 13, a side wall of the mounting frame 8 is fixedly provided with a stepping motor 9, the plurality of rotating shafts 13 adjacent to the stepping motor 9 are all rotated to penetrate through the outside of the mounting frame 8 and are fixedly sleeved with driving wheels 15, driving belts 14 are wound on the plurality of driving wheels 15, output shafts of the stepping motor 9 are fixedly connected with the adjacent rotating shafts 13, when the whole device finishes screening and stopping work, the stepping motor 9 is started to drive the adjacent rotating shafts 13 to rotate, further, the driving wheels 15 and the driving belts 14 are used for driving the plurality of rotating shafts 13 to rotate, the collecting box 11 and the plurality of screen boxes 7 can be driven to rotate, so that the angles of the collecting box 11 and the plurality of screen boxes 7 can be adjusted, the collecting box is inclined towards the direction of the discharging pipe 10, and sand left on the inner walls at the bottoms of the screen plates 19 and the collecting box 11 can slide to one side of the discharging pipe 10 along the inclined direction, and material taking is convenient.

The top fixed mounting that is located top sieve case 7 has feeder hopper 6, there is material case 1 one side of lower casing 12 through 3 fixed mounting of support frame, the top of material case 1 is open setting, the inside of material case 1 is provided with feeder hopper 6 assorted conveying component, conveying component includes material loading conveying box 2, material loading conveying box 2 is through 3 fixed mounting of support frame in the inside of material case 1, material loading conveying box 2's internal rotation installs screw conveyor pole 20, material loading conveying box 2's top fixed mounting has conveyor motor 4, conveyor motor 4's output shaft runs through material loading conveying box 2 and with screw conveyor pole 20 fixed connection, fixed mounting has conveyer pipe 5 on material loading conveying box 2's the lateral wall, conveyer pipe 5 keeps away from the inside that material loading conveying box 2's one end extends to feeder hopper 6, start conveyor motor 4, it rotates in step to drive screw conveyor pole 20, thereby make the coarse sand in the material case 1 carry the upper end to material case 1 through screw conveyor pole 20, and further carry the coarse sand to the feeder hopper 6 in through conveyer pipe 5, do not need artificial manual pay-off, the practicality has been improved.

The implementation principle of the embodiment of the application is as follows: firstly, a conveying motor 4 is started to drive a spiral conveying rod 20 to synchronously rotate, so that coarse sand in a material box 1 is conveyed to the upper end of the material box 1 through the spiral conveying rod 20, the coarse sand is further conveyed into a feed hopper 6 through a conveying pipe 5, meanwhile, a vibration motor 17 is started to drive a mounting frame 8 to synchronously vibrate, further, a plurality of screening box 7-level collecting boxes 11 can be driven to synchronously vibrate, the screened sand with smaller particle size passes through screen holes and further reaches a next-level screening box 7 through a discharging pipe 16, and finally the sand with small particle size reaches the collecting boxes 11 through the discharging pipe 16, and the device can synchronously carry out multi-level screening treatment on the coarse sand, so that the screening efficiency is improved;

when the whole device finishes screening and stops working, the stepping motor 9 is started to drive the adjacent rotating shafts 13 to rotate, the driving wheels 15 and the driving belts 14 are further used for driving the rotating shafts 13 to rotate, and then the collecting box 11 and the sieve boxes 7 can be driven to rotate, so that the angles of the collecting box 11 and the sieve boxes 7 can be adjusted to incline towards the discharging pipe 10, and thus, sand and stones reserved on the inner walls of the bottoms of the sieve plate 19 and the collecting box 11 can slide to one side of the discharging pipe 10 along the inclined direction, and the materials can be conveniently taken.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (7)

1. The utility model provides a multistage vibrating mechanism of coarse sand screening machine, includes casing (12) down, its characterized in that: the utility model discloses a screening machine, including lower casing (12), the inside fixed mounting of casing (12) has vibrating motor (17), the output shaft tip fixedly connected with installing frame (8) of vibrating motor (17), lower casing (12) and installing frame (8) one side fixed mounting in opposite directions have a plurality of elastic connecting piece (18) that are the distribution of annular array, the cross-section of installing frame (8) is U type structure, rotate between the both sides inner wall of installing frame (8) and install multistage screening subassembly, multistage screening subassembly includes a plurality of sieve case (7) and collecting box (11) of installing on installing frame (8) both sides wall along vertical direction rotation, and collecting box (11) are located the below of sieve case (7), and are a plurality of the equal fixed mounting in bottom of sieve case (7) has unloading pipe (16), and a plurality of sieve case (7) and collecting box (11) are all through unloading pipe (16) fixed through connection, are located the top fixed mounting of top sieve case (7) and have feeder hopper (6), one side of lower casing (12) is through support frame (3) fixed mounting of material case (1), be open material case (1) open the inside transport subassembly (6) is provided with feeder hopper (6).

2. The multistage vibratory mechanism of a grit screening machine of claim 1, further comprising: it is a plurality of all fixed mounting has sieve (19) on the inner wall of sieve case (7), and is a plurality of the sieve mesh diameter successive layer of sieve (19) reduces.

3. The multistage vibratory mechanism of a grit screening machine of claim 1, further comprising: a plurality of discharging pipes (10) are fixedly arranged on one side wall of the sieve box (7) and the collecting box (11), and the discharging pipes (10) are distributed along the horizontal plane in a staggered mode.

4. The multi-stage vibratory mechanism of a coarse sand screening machine according to claim 1, further comprising: the inner wall of the bottom of the screen box (7) is obliquely arranged along one side of the blanking pipe (16), and the inner wall of the bottom end of the collecting box (11) is of a conical structure.

5. The multistage vibratory mechanism of a grit screening machine of claim 1, further comprising: a plurality of the equal fixed mounting of both sides wall of sieve case (7) and collecting box (11) has axis of rotation (13), fixed mounting has step motor (9) on the lateral wall of installing frame (8), and is adjacent a plurality of with step motor (9) axis of rotation (13) all rotates and runs through the outside that extends to installing frame (8) and fixed cover and is equipped with drive wheel (15), and is a plurality of around being equipped with driving band (14) on drive wheel (15), the output shaft and adjacent axis of rotation (13) fixed connection of step motor (9).

6. The multistage vibratory mechanism of a grit screening machine of claim 1, further comprising: conveying assembly includes material loading delivery box (2), material loading delivery box (2) are through support frame (3) fixed mounting in the inside of material case (1), the inside of material loading delivery box (2) is rotated and is installed screw conveyor pole (20), the top fixed mounting of material loading delivery box (2) has conveyor motor (4), the output shaft of conveyor motor (4) run through material loading delivery box (2) and with screw conveyor pole (20) fixed connection.

7. The multistage vibratory mechanism of a grit screening machine of claim 6, further comprising: fixed mounting has conveyer pipe (5) on the lateral wall of material loading conveying box (2), the one end that material loading conveying box (2) was kept away from in conveyer pipe (5) extends to the inside of feeder hopper (6).

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