CN214416926U

CN214416926U - High-efficient screening sand machine

Info

Publication number: CN214416926U
Application number: CN202120190640.9U
Authority: CN
Inventors: 候宜胜; 尤铮亚; 宗红雅; 苏雪琴
Original assignee: Changshu Tianhe Concrete Co ltd
Current assignee: Changshu Tianhe Concrete Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-10-19
Anticipated expiration: 2031-01-22

Abstract

The application relates to a high-efficiency sand screening machine, which belongs to the field of concrete production equipment and comprises a rack and a screen drum, wherein the rack is provided with a feed hopper for containing sand; the lower end of the feed hopper is provided with a discharge pipe, the discharge pipe is provided with a rotating shaft along the length direction of the discharge pipe, and the rotating shaft is rotatably connected with the inner side wall of the discharge pipe; helical blades for conveying sand are fixedly arranged on the outer peripheral wall of the rotating shaft; the feeder hopper is fixedly provided with a driving motor for driving the rotating shaft to rotate. The driving motor drives the rotating shaft to rotate, so that the spiral blades are driven to rotate to convey sand, the sand blocking discharging pipe can be reduced, the sand discharging is stable and smooth, and the working efficiency of the sand screening machine is higher.

Description

High-efficient screening sand machine

Technical Field

The application relates to the field of concrete production equipment, in particular to a high-efficiency sand screening machine.

Background

In the production process of concrete, cement, sand, aggregate, water and the like need to be mixed and stirred. Wherein, before the sand material uses, need use screening sand machine screening to get rid of the bold debris among them, guarantee the quality of concrete.

The prior Chinese patent with publication number CN209577311U discloses a roller sand screening machine, which comprises a bracket, wherein a feed hopper is fixedly arranged on the bracket and is used for containing sand to be screened; a screen drum is arranged below the feed hopper, a first motor is fixedly arranged on the support and connected with the screen drum to drive the screen drum to rotate; a first conveying belt is arranged below the screen drum, a plurality of first conveying rollers are rotatably arranged on the rack, and the first conveying belt is arranged around the outer side walls of all the first conveying rollers; the frame is provided with a second motor for driving one of the first conveying rollers to rotate. The screen drum is obliquely arranged along the up-down direction; the husky material falls and falls into a sieve section of thick bamboo by the discharge end whereabouts of feeder hopper on by a sieve section of thick bamboo, and a sieve section of thick bamboo sieves husky material, and fine sand falls to first conveyer belt by the sieve mesh of a sieve section of thick bamboo to remove to the assigned position along with the conveyer belt, bold debris are discharged by a sieve section of thick bamboo lower extreme.

Aiming at the related technologies, the inventor thinks that sand materials are salvaged ashore in water or are wet due to rainwater wetting, and in the working process of the sand screening machine, the wet sand materials easily block the discharge end of the feed hopper and need manual dredging, and the working efficiency of the sand screening machine is low, so that the improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem that work efficiency is low when screening moist husky material in order to improve the screening sand machine, this application provides a high-efficient screening sand machine.

The application provides a high-efficient screening sand machine adopts following technical scheme:

a high-efficiency sand screening machine comprises a frame and a screen drum, wherein the frame is provided with a feed hopper for containing sand; the lower end of the feed hopper is provided with a discharge pipe, the discharge pipe is provided with a rotating shaft along the length direction of the discharge pipe, and the rotating shaft is rotatably connected with the inner side wall of the discharge pipe; helical blades for conveying sand are fixedly arranged on the outer peripheral wall of the rotating shaft; the feeder hopper is fixedly provided with a driving motor for driving the rotating shaft to rotate.

Through adopting above-mentioned technical scheme, driving motor drive axis of rotation rotates to drive helical blade and rotate with the husky material of conveying, thereby the emergence of the condition of reducible husky material jam discharging pipe, the feeder hopper ejection of compact is more stable, smooth and easy, has guaranteed screening sand machine's work efficiency.

Optionally, the discharge pipe is obliquely arranged in the vertical direction, and one end of the rotating shaft, which is close to the feed hopper, extends into the feed hopper and penetrates through the feed hopper; the driving motor is connected with one end, far away from the discharge pipe, of the rotating shaft.

Through adopting above-mentioned technical scheme, the one end that the discharging pipe was kept away from to the axis of rotation is located the feeder hopper outside, and driving motor can install in the feeder hopper lateral wall, simple structure to reduced driving motor to the occupy of feeder hopper inner space, guaranteed the unobstructed of the whereabouts route of husky material, can further improve the efficiency of husky material whereabouts.

Optionally, the periphery wall that the axis of rotation is located the feeder hopper is fixed and is provided with a plurality of puddlers.

Through adopting above-mentioned technical scheme, the puddler can rotate along with the axis of rotation in order to stir husky material, has reduced the emergence of the condition of husky material bridging in the feeder hopper, guarantees the smooth and easy of husky material whereabouts.

Optionally, the inside wall of the upper end of the feed hopper is provided with a plurality of crushing rods.

Through adopting above-mentioned technical scheme, husky material is transported to the feeder hopper upper end and is gone into the feeder hopper in-process by digging bucket or scraper bowl etc. husky material and broken pole striking, is convenient for become massive husky material's crushing, can make husky material more loose simultaneously, reduces the husky material that gets into the feeder hopper and takes place the condition of bridging, guarantees that husky smooth and easy landing to discharging pipe department.

Optionally, all the crushing pole is connected with the installing frame jointly, the fixed support ring that is provided with can with the installing frame lower surface butt of feeder hopper inside wall.

Through adopting above-mentioned technical scheme, when needs overhaul or look over the feeder hopper inside, only need upwards mention the installing frame can, simple structure, convenient operation.

Optionally, one side and the feeder hopper inside wall of installing frame rotate to be connected, be provided with the mounting that is used for the fixed mounting frame between installing frame opposite side and the feeder hopper inside wall.

Through adopting above-mentioned technical scheme, operating personnel upwards lifts one side of installing frame, can make the installing frame rotate, need not to mention all the installing frames, and the operation is laborsaving, convenient more. Through mounting fixed mounting frame, improved the stability that installing frame and feeder hopper inside wall are connected.

Optionally, a vibration motor is fixedly arranged on the outer side wall of the feeding hopper.

Through adopting above-mentioned technical scheme, vibrating motor can drive the feeder hopper vibration to make the husky material vibration in the feeder hopper, reduced the possibility of husky material bridging, thereby reduced the emergence of the condition of husky material jam discharging pipe.

Optionally, a plurality of cushioning springs for supporting the feed hopper are arranged between the feed hopper and the frame.

Through adopting above-mentioned technical scheme, the feeder hopper links to each other with the frame through the bradyseism spring, has reduced the vibration of frame to guarantee the stability of the operation of mechanisms such as sieve section of thick bamboo.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the driving motor drives the rotating shaft to rotate, so that the spiral blade is driven to rotate to convey sand, the falling smoothness of the sand is ensured, the possibility that the sand blocks the discharging pipe is reduced, and the working efficiency of the sand screening machine is improved;

2. the crushing rod can make the sand material entering the feed hopper looser, thereby further reducing the possibility of bridging of the sand material in the feed hopper;

3. the vibrating motor can drive the sand in the feed hopper to vibrate, so that the occurrence of the condition that the sand bridges or blocks the discharge pipe is further reduced.

Drawings

Fig. 1 is a schematic overall structure diagram of an efficient sand screening machine according to an embodiment of the present application.

Fig. 2 is a schematic sectional view for showing the internal structure of the hopper.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic view for showing a connection structure of the crushing rod and the feed hopper.

Description of reference numerals: 1. a frame; 11. rotating the motor; 12. a driving roller; 121. a conveyor belt; 13. a transfer motor; 2. a feed hopper; 21. a discharge pipe; 211. a rotating shaft; 2111. a helical blade; 2112. a stirring rod; 22. a breaking bar; 221. installing a frame; 2211. a fixing member; 23. a vibration motor; 24. a drive motor; 25. a support plate; 26. a cushioning spring; 261. mounting a plate; 27. a support ring; 271. a threaded hole; 3. a screen cylinder; 31. a rotating shaft.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses high-efficient screening sand machine. Referring to fig. 1, the high-efficiency sand screening machine comprises a frame 1, wherein the frame 1 is provided with a feed hopper 2, and a discharge pipe 21 is arranged at the lower end of the feed hopper 2; the feed hopper 2 is used for containing sand to be sieved. Hopper 2 below is provided with a sieve section of thick bamboo 3, and a sieve section of thick bamboo 3 sets up along upper and lower direction slope, and the one end that feeder hopper 2 was kept away from to discharging pipe 21 is stretched into sieve section of thick bamboo 3 inside by sieve section of thick bamboo 3 upper ends. A rotating shaft 31 is arranged in the screen drum 3, and the rotating shaft 31 and the inner side wall of the screen drum 3 are welded and fixed through a plurality of connecting rods; the rotating shaft 31 is rotatably connected with the frame 1 through a bearing; frame 1 passes through screw fixedly connected with and rotates motor 11, rotates motor 11 and passes through shaft coupling fixed connection with the one end of pivot 31 to drive pivot 31 and rotate, and then drive a sieve section of thick bamboo 3 and rotate. Frame 1 all is provided with driving roller 12 along the axial both ends of a sieve section of thick bamboo 3, and driving roller 12 passes through the bearing and is connected with frame 1 rotation, and two driving roller 12 lateral walls are around being equipped with conveyer belt 121 jointly. The frame 1 is fixed with a transmission motor 13 through a screw, and the output end of the transmission motor 13 is connected with one of the transmission rollers 12 to drive the transmission rollers 12 to rotate.

Referring to fig. 1, the conveyor belt 121 is located below the screen cylinder 3. When in use, sand in the feed hopper 2 enters the screen cylinder 3 through the discharge pipe 21. The screen drum 3 is driven by the rotating motor 11 to rotate so as to screen the sand entering the screen drum 3. The fine sand can fall to the conveyor belt 121 through the sieve holes on the side wall of the sieve cylinder 3 and is conveyed to a designated position by the conveyor belt 121; the large sundries can be discharged from the lower end of the screen drum 3, thereby completing the screening operation of the sand.

Referring to fig. 2, the inner side wall of the upper end of the feeding hopper 2 is provided with a plurality of crushing rods 22, the crushing rods 22 are round rods, and the crushing rods 22 are arranged at intervals along the width direction of the feeding hopper 2. The sand material transported into the feed hopper 2 by a forklift or a crane is firstly contacted with the crushing rod 22, and the lumpy sand material is loosened into small blocks after being impacted with the crushing rod 22, so that the sand material is conveniently discharged from the discharge pipe 21. The outer side wall of the feed hopper 2 is fixed with a vibration motor 23 through a screw, and the vibration motor 23 is positioned between the crushing rod 22 and the discharge pipe 21; the vibrating motor 23 can drive the feeding hopper 2 to vibrate, so that the falling and moving of sand in the feeding hopper 2 are facilitated.

Referring to FIG. 2, the discharge pipe 21 is inclined in the vertical direction, a rotation shaft 211 is provided in the discharge pipe 21, and the rotation shaft 211 is provided axially along the longitudinal direction of the discharge pipe 21. One end of the rotating shaft 211 close to the feeding hopper 2 extends into the feeding hopper 2 and penetrates out of the feeding hopper 2, and a helical blade 2111 is fixed to the side wall of the rotating shaft 211 in the discharging pipe 21 by welding. The outer side wall of the feeding hopper 2 is fixedly connected with a driving motor 24 through a screw, and the output end of the driving motor 24 is fixedly connected with one end, far away from the feeding pipe, of the rotating shaft 211 through a coupler so as to drive the rotating shaft 211 to rotate. The spiral blade 2111 rotates with the rotating shaft 211 to convey the sand out of the discharging pipe 21.

Referring to fig. 2, a plurality of support plates 25 are welded and fixed on the inner side wall of the feeding hopper 2, all the support plates 25 are sequentially arranged at intervals along the axial direction of the rotating shaft 211, and the rotating shaft 211 is rotatably connected with all the support plates 25 through bearings. A plurality of stirring rods 2112 are fixedly welded on the side wall of the rotating shaft 211 positioned in the feed hopper 2, and the stirring rods 2112 are round rods; the helical blade 2111 extends into the feed hopper 2, and the helical blade 2111 cooperates with the stirring rod 2112 to facilitate the movement of the sand toward the discharge pipe 21.

Referring to fig. 3, be provided with bradyseism spring 26 between feeder hopper 2 and the frame 1, bradyseism spring 26 quantity has a plurality ofly, and whole bradyseism spring 26 sets up along feeder hopper 2 circumference interval in proper order. The both ends of every bradyseism spring 26 are all welded fastening have mounting panel 261, and the mounting panel 261 that is located bradyseism spring 26 wherein one end is fixed through screw and 2 lateral walls of feeder hopper, and the mounting panel 261 that is located the bradyseism spring 26 other end is fixed through screw and frame 1. The damping spring 26 can support the feeding hopper 2, thereby reducing the vibration of the frame 1 caused by the vibration of the feeding hopper 2 and ensuring the stability of the frame 1 fixed with the ground.

Referring to fig. 2 and 4, all the crushing rods 22 are commonly connected to a mounting frame 221, and the mounting frame 221 is annular; both ends of each crushing rod 22 are welded and fixed with the inner side wall of the mounting frame 221. A support ring 27 is welded and fixed on the inner side wall of the feeding hopper 2, and the support ring 27 is arranged along the circumferential direction of the feeding hopper 2. The upper surface of the support ring 27 may abut against the lower surface of the mounting frame 221 to support the mounting frame 221. One side of installing frame 221 is connected with the inside wall of feed hopper 2 through round pin axle rotation, and installing frame 221 can follow the upset of upper and lower direction to operating personnel overhauls the operation to feed hopper 2 inside. A fixing piece 2211 is arranged between the mounting frame 221 and the feed hopper 2, and the fixing piece 2211 is a screw; the fixing element 2211 penetrates through one side of the mounting frame 221 away from the pin shaft. The upper surface of the supporting ring 27 is provided with a threaded hole 271 penetrating downwards, and the fixing member 2211 is matched with the threaded hole 271 so as to fix the mounting frame 221, thereby fixing the crushing rod 22 and improving the stability of the connection of the crushing rod 22 and the feed hopper 2.

The implementation principle of this application embodiment high-efficient screening sand machine does:

after the sand to be sieved is carried into the feed hopper 2 by a forklift or a crane and the like, the sand collides with the outer peripheral wall of the crushing rod 22; the sand crushed by the crushing rod 22 moves downwards to the lower end of the feed hopper 2; the driving motor 24 operates, and the rotating shaft 211 rotates to drive the helical blade 2111 to rotate, so as to drive the sand in the feeding hopper 2 to move to the discharging pipe 21 and discharge to the screen drum 3 for screening. Through helical blade 2111 sand material of carrying, reduced the emergence of the condition of discharging pipe 21 jam, guaranteed that sand material lasts to carrying in the sieve section of thick bamboo 3 to sand screening efficiency of sand screening machine has been improved.

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

1. A high-efficiency sand screening machine comprises a rack (1) and a screening drum (3), wherein the rack (1) is provided with a feed hopper (2) for containing sand; the method is characterized in that: a discharge pipe (21) is arranged at the lower end of the feed hopper (2), a rotating shaft (211) is arranged on the discharge pipe (21) along the length direction of the discharge pipe, and the rotating shaft (211) is rotatably connected with the inner side wall of the discharge pipe (21); the peripheral wall of the rotating shaft (211) is fixedly provided with a helical blade (2111) for conveying sand; the feed hopper (2) is fixedly provided with a driving motor (24) for driving the rotating shaft (211) to rotate.

2. A high efficiency sand screen as recited in claim 1 wherein: the discharge pipe (21) is obliquely arranged along the vertical direction, and one end of the rotating shaft (211) close to the feed hopper (2) extends towards the inside of the feed hopper (2) and penetrates through the feed hopper (2); the driving motor (24) is connected with one end, far away from the discharge pipe (21), of the rotating shaft (211).

3. A high efficiency sand screen as recited in claim 2 wherein: the periphery wall that axis of rotation (211) are located feeder hopper (2) is fixed and is provided with a plurality of puddlers (2112).

4. A high efficiency sand screen as recited in claim 1 wherein: the inside wall of the upper end of the feed hopper (2) is provided with a plurality of crushing rods (22).

5. The high efficiency sand screen of claim 4, wherein: all crushing pole (22) are connected with installing frame (221) jointly, feeder hopper (2) inside wall is fixed to be provided with can with installing frame (221) lower surface butt's support ring (27).

6. A high efficiency sand screen as recited in claim 5 wherein: one side and feeder hopper (2) inside wall rotation of installing frame (221) are connected, be provided with between installing frame (221) opposite side and feeder hopper (2) inside wall and be used for fixed mounting frame (221) mounting (2211).

7. A high efficiency sand screen as recited in claim 1 wherein: and a vibration motor (23) is fixedly arranged on the outer side wall of the feed hopper (2).

8. A high efficiency sand screen as recited in claim 7 wherein: a plurality of cushioning springs (26) used for supporting the feed hopper (2) are arranged between the feed hopper (2) and the frame (1).