CN221499220U

CN221499220U - Anti-blocking dry powder feeding device

Info

Publication number: CN221499220U
Application number: CN202323558255.3U
Authority: CN
Inventors: 张勇; 杨建义; 周静
Original assignee: Sichuan Zhuangda Concrete Co ltd
Current assignee: Sichuan Zhuangda Concrete Co ltd
Priority date: 2023-12-25
Filing date: 2023-12-25
Publication date: 2024-08-09
Anticipated expiration: 2033-12-25

Abstract

The application discloses an anti-blocking dry powder feeding device, which relates to the technical field of dry powder processing and comprises a frame and a storage bin fixedly arranged on the frame, wherein the storage bin is provided with a feeding hole and a discharging hole, a gate for closing the discharging hole is arranged at the discharging hole, the discharging hole is communicated with a discharging pipe, a stirring shaft is rotatably arranged in the storage bin and is arranged at a position close to the discharging hole, a stirring paddle is fixedly arranged on the side wall of the stirring shaft, and a first driving source for driving the stirring shaft to rotate is arranged on the storage bin. The application has the effect.

Description

Anti-blocking dry powder feeding device

Technical Field

The application relates to the technical field of dry powder processing, in particular to an anti-blocking dry powder feeding device.

Background

The dry powder feeding device is a conveying device for conveying dry powder production and mainly comprises a dry powder storage bin, wherein the dry powder storage bin is communicated with a discharging pipe, is communicated with equipment (such as a stirrer and a screening machine) needing feeding through the discharging pipe, and is provided with a gate; and storing the dry powder in a storage bin, and when the dry powder is required to be added into the equipment, opening a gate to enable the dry powder in the storage bin to flow out through a discharging pipe and enter the equipment to be fed. However, since the particle size of the dry powder is small, and the caliber of the discharge hole of the storage bin is usually small, the dry powder is blocked at the discharge hole of the storage bin under the influence of tension between the dry powder.

Disclosure of utility model

Aiming at the problem that dry powder is easy to block in a storage bin in the prior art, the application provides an anti-blocking dry powder feeding device.

The application provides an anti-blocking dry powder feeding device, which adopts the following technical scheme:

The utility model provides a dry powder feed arrangement of anti-clogging, includes frame and fixed storage silo that sets up in the frame, feed inlet and discharge gate have been seted up to the storage silo, discharge gate department is provided with the gate that is used for closing the discharge gate, the discharge gate intercommunication has the discharging pipe, the rotation is provided with the (mixing) shaft in the storage silo, the (mixing) shaft sets up in the position that is close to the discharge gate, the fixed stirring rake that is provided with of lateral wall of (mixing) shaft, be provided with on the storage silo and be used for driving (mixing) shaft pivoted first drive source.

Optionally, the discharge gate rotation is provided with the impeller, just impeller and coaxial fixed connection of (mixing) shaft, the lateral wall of impeller is fixed to be provided with a plurality of spiral leaves, each the equidistant distribution of circumference along the impeller.

Optionally, the storage silo internal fixation is provided with the loop bar, the last cover that slides along the length direction of loop bar is equipped with stirs the frame, be provided with on the loop bar and be used for driving the gliding drive assembly of stirring the frame.

Optionally, the drive assembly includes lead screw, swivel nut and second actuating source, the lead screw rotates and sets up in the loop bar, the swivel nut cover is established on the lead screw and with lead screw thread fit, the connector has been seted up along the length direction of loop bar to the lateral wall of loop bar, fixedly on the swivel nut be provided with the connecting block, the connecting block slides and sets up in the connector and with stirring frame fixed connection.

Optionally, a bellows is sleeved on the loop bar, and the bellows is used for sealing the connecting port.

Optionally, the frame is last to be provided with the excitation pole along being close to or keeping away from the discharging pipe direction slip, be provided with the vibration mechanism who is used for driving the excitation pole slip and striking discharging pipe lateral wall in the frame.

Optionally, vibration mechanism includes elastic component, shifting block, cam and third actuating source, the elastic component is used for driving the excitation pole to slide to being close to the discharging pipe direction, the shifting block is fixed to be set up on the excitation pole, the cam rotates and sets up in the frame, just the cam is used for the butt shifting block and drives the excitation pole to slide to keeping away from the discharging pipe direction, the third actuating source is used for driving the cam rotation.

Optionally, the shifting block is provided with the gyro wheel that rotates, the gyro wheel is used for the butt cam and with cam roll connection.

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

1. When feeding, through opening the gate of discharge gate department to drive the (mixing) shaft through first actuating source and rotate, (mixing) shaft pivoted in-process, stir the dry powder that is close to discharge gate department in the storage silo through the stirring rake, and then effectively avoid the dry powder to take place to block up in the storage silo.

2. According to the application, the impeller is arranged in the discharge hole, the stirring shaft drives the impeller to rotate in the rotating process, and the discharging speed of the dry powder is controlled through the spiral on the impeller, so that the discharging uniformity of the storage bin is ensured.

3. According to the application, the vibration excitation rod is arranged on the frame, the vibration excitation rod is driven to slide by the vibration mechanism in the discharging process of the dry powder, and the side wall of the discharging pipe is knocked, so that the dry powder is prevented from being blocked in the discharging pipe, and after the discharging is finished, the side wall of the discharging pipe is knocked by the vibration excitation rod, so that the dry powder is effectively prevented from being adhered to the inner wall of the discharging pipe, and is damped to be solidified on the inner wall of the discharging pipe.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a schematic view showing the structure of the inside of a storage bin according to an embodiment of the present application;

FIG. 3 is an enlarged view of portion A of FIG. 2;

Fig. 4 is a schematic diagram of a structure for expressing a vibration mechanism according to an embodiment of the present application.

Reference numerals illustrate: 1. a frame; 11. a support frame; 12. a sleeve; 121. a long strip groove; 13. an excitation rod; 14. an elastic member; 15. a shifting block; 151. a roller; 16. a cam; 17. a third driving source; 2. a storage bin; 21. a feed inlet; 211. a cover; 22. a discharge port; 221. a discharge pipe; 222. a gate; 23. a stirring shaft; 231. stirring paddles; 232. a connecting shaft; 24. a first driving source; 241. a transmission rod; 25. an impeller; 251. spiral leaves; 26. a loop bar; 261. a screw rod; 262. a screw sleeve; 263. a connection port; 264. a connecting block; 265. a bellows; 27. an agitating frame; 28. and a second driving source.

Detailed Description

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

The embodiment of the application discloses an anti-blocking dry powder feeding device. Referring to fig. 1, the storage bin comprises a frame 1 and a storage bin 2 fixedly arranged on the frame 1, wherein a feed inlet 21 is formed in the top wall of the discharge bin, a sealing cover 211 is fastened at the feed inlet 21, a discharge outlet 22 is formed in the bottom of the storage bin 2, a discharge pipe 221 is communicated with the discharge outlet 22, and a gate 222 is further arranged at the discharge outlet 22.

Referring to fig. 2, a stirring shaft 23 is rotationally arranged in a storage bin 2, the stirring shaft 23 is arranged at a position close to a discharge hole 22, the axial direction of the stirring shaft 23 is vertical, a plurality of stirring paddles 231 are fixedly arranged on the side wall of the stirring shaft 23, the stirring paddles 231 are distributed at equal intervals along the circumferential direction of the stirring shaft 23, a first driving source 24 for driving the stirring shaft 23 to rotate is arranged on the storage bin 2, the first driving source 24 comprises a first motor, the first motor is fixedly arranged on the top wall of the storage bin 2, a transmission rod 241 is coaxially and fixedly arranged on an output shaft of the first motor, and the transmission rod 241 extends into the storage bin 2 and is fixedly connected with the stirring shaft 23.

Referring to fig. 2, an impeller 25 is rotatably provided at the discharge port 22, a connecting shaft 232 is fixedly provided on the stirring shaft 23 coaxially, the connecting shaft 232 is fixedly connected with the impeller 25 coaxially, a plurality of spiral blades 251 are fixedly provided on the side wall of the impeller 25, and the spiral blades 251 are uniformly distributed along the circumferential direction of the impeller 25; through setting up impeller 25 in discharge gate 22, (mixing) shaft 23 pivoted in-process drives impeller 25 rotation to also control the ejection of compact speed of dry powder through the spiral on impeller 25, guarantee the homogeneity of storage silo 2 ejection of compact.

Referring to fig. 3 and 4, a sleeve rod 26 is fixedly arranged in the storage bin 2, the length direction of the sleeve rod 26 is vertical, an agitating frame 27 is sleeved on the sleeve rod 26 in a sliding manner along the length direction of the sleeve rod 26, a through hole is formed in the agitating frame 27, a transmission rod 241 is arranged in the through hole in a penetrating manner, a driving assembly for driving the agitating frame 27 to slide is arranged on the sleeve rod 26, the driving assembly comprises a lead screw 261, a screw sleeve 262 and a second driving source 28, the lead screw 261 is rotatably arranged in the sleeve rod 26, the screw sleeve 262 is slidably arranged in the sleeve rod 26, the screw sleeve 262 is sleeved on the lead screw 261 and is in threaded fit with the lead screw 261, a connecting port 263 is formed in the side wall of the sleeve rod 26 along the length direction of the sleeve rod 26, a connecting block 264 is fixedly arranged on the side wall of the screw sleeve 262, and the connecting block 264 is slidably arranged in the connecting port 263 and is fixedly connected with the agitating frame 27.

Referring to fig. 3, the second driving source 28 includes a second motor fixedly disposed on the top wall of the storage bin 2, and an output shaft of the second motor extends into the loop bar 26 and is fixedly connected coaxially with the screw 261; in the discharging process, the second motor drives the screw 261 to rotate forwards or reversely, and drives the stirring frame 27 to slide up and down in the storage bin 2, so that the dry powder close to the upper part in the storage bin 2 is stirred, and the possibility of blockage of the dry powder in the storage bin 2 is further reduced.

Referring to fig. 3, bellows 265 are respectively sleeved on the upper side and the lower side of the loop bar 26 and located on the stirring frame 27, the bellows 265 is made of rubber, one end of the bellows 265 is fixedly connected with the loop bar 26, the other end of the bellows 265 is fixedly connected with the stirring frame 27, dry powder is effectively prevented from entering the loop bar 26 through the bellows 265, and the dry powder is blocked in a thread groove on the screw 261, so that the screw 261 is blocked.

Referring to fig. 1 and 4, a support frame 11 is fixedly arranged on a frame 1, a sleeve 12 is fixedly arranged on the support frame 11, an excitation rod 13 is slidably arranged in the sleeve 12 along the direction close to or far away from a discharge pipe 221, one end of the sleeve 12 far away from the discharge pipe 221 is closed, a vibration mechanism for driving the excitation rod 13 to slide and impact the side wall of the discharge pipe 221 is arranged on the frame 1, the vibration mechanism comprises an elastic piece 14, a shifting block 15, a cam 16 and a third driving source 17, the elastic piece 14 comprises a pressure spring, the pressure spring is arranged in the sleeve 12, one end of the pressure spring is in butt joint with the sleeve 12, and the other end of the pressure spring is in butt joint with the excitation rod 13.

Referring to fig. 4, a dial 15 is fixedly arranged on an excitation rod 13, a long groove 121 is formed in the side wall of a sleeve 12 along the length direction of the sleeve 12, the dial 15 is slidably arranged in the long groove 121, a cam 16 is rotatably arranged on a support frame 11, a third driving source 17 comprises a third motor, the third motor is fixedly arranged on a frame 1, and an output shaft of the third motor is fixedly connected with the cam 16; in the discharging process, the cam 16 is driven to rotate by the third motor, the cam 16 rotates for a certain angle to be in contact with the shifting block 15, the shifting block 15 is driven to slide in the direction away from the discharging pipe 221, the exciting rod 13 is driven to slide in the direction away from the discharging pipe 221, after the cam 16 is separated from the shifting block 15, the exciting rod 13 slides in the direction close to the discharging pipe 221 under the action of the elastic force of the pressure spring and impacts the side wall of the discharging pipe 221, so that the dry powder is prevented from being blocked in the discharging pipe 221, after discharging is completed, the side wall of the discharging pipe 221 is knocked by the exciting rod 13, part of dry powder can be effectively prevented from being adhered to the inner wall of the discharging pipe 221, and the dry powder is wetted and solidified on the inner wall of the discharging pipe 221.

Referring to fig. 4, a roller 151 is rotatably provided on the dial 15, an axial direction of the roller 151 is parallel to a rotation axis of the cam 16, and the roller 151 is adapted to abut against the cam 16 and be in rolling connection with the cam 16; when the cam 16 drives the shifting block 15 to slide, the rolling wheel 151 is in rolling connection with the side wall of the cam 16, so that friction force between the shifting block 15 and the cam 16 is reduced, and abrasion of the shifting block 15 or the cam 16 is effectively avoided.

The implementation principle of the anti-blocking dry powder feeding device provided by the embodiment of the application is as follows: during feeding, the gate 222 at the discharge hole 22 is opened, the stirring shaft 23 is driven to rotate by the first motor, and in the process of rotation of the stirring shaft 23, the dry powder in the storage bin 2, which is close to the discharge hole 22, is stirred by the stirring paddle 231, so that the dry powder is effectively prevented from being blocked in the storage bin 2.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. An anti-clogging dry powder feeding device, which is characterized in that: the automatic stirring device comprises a frame (1) and a storage bin (2) fixedly arranged on the frame (1), wherein a feed inlet (21) and a discharge outlet (22) are formed in the storage bin (2), a gate (222) for closing the discharge outlet (22) is arranged at the discharge outlet (22), a discharge pipe (221) is communicated with the discharge outlet (22), a stirring shaft (23) is rotationally arranged in the storage bin (2), the stirring shaft (23) is arranged at a position close to the discharge outlet (22), stirring paddles (231) are fixedly arranged on the side wall of the stirring shaft (23), and a first driving source (24) for driving the stirring shaft (23) to rotate is arranged on the storage bin (2);

A loop bar (26) is fixedly arranged in the storage bin (2), an agitating frame (27) is sleeved on the loop bar (26) in a sliding manner along the length direction of the loop bar (26), and a driving assembly for driving the agitating frame (27) to slide is arranged on the loop bar (26);

The driving assembly comprises a screw rod (261), a screw sleeve (262) and a second driving source (28), the screw rod (261) is rotationally arranged in a loop bar (26), the screw sleeve (262) is sleeved on the screw rod (261) and is in threaded fit with the screw rod (261), a connecting port (263) is formed in the side wall of the loop bar (26) along the length direction of the loop bar (26), a connecting block (264) is fixedly arranged on the screw sleeve (262), and the connecting block (264) is slidably arranged in the connecting port (263) and is fixedly connected with the stirring frame (27).

2. An anti-clogging dry powder feeding apparatus as claimed in claim 1, wherein: the discharge port (22) is rotationally provided with an impeller (25), the impeller (25) is fixedly connected with the stirring shaft (23) in a coaxial mode, a plurality of spiral blades (251) are fixedly arranged on the side wall of the impeller (25), and the spiral blades (251) are distributed at equal intervals along the circumferential direction of the impeller (25).

3. An anti-clogging dry powder feeding apparatus as claimed in claim 1, wherein: the sleeve rod (26) is sleeved with a corrugated pipe (265), and the corrugated pipe (265) is used for sealing the connecting port (263).

4. An anti-clogging dry powder feeding apparatus as claimed in claim 1, wherein: the vibrating mechanism is characterized in that the frame (1) is provided with a vibration excitation rod (13) in a sliding mode along the direction close to or far away from the discharging pipe (221), and the frame (1) is provided with a vibrating mechanism used for driving the vibration excitation rod (13) to slide and impact the side wall of the discharging pipe (221).

5. An anti-clogging dry powder feeding apparatus as set forth in claim 4, wherein: the vibration mechanism comprises an elastic piece (14), a shifting block (15), a cam (16) and a third driving source (17), wherein the elastic piece (14) is used for driving the vibration excitation rod (13) to slide towards a direction close to the discharge pipe (221), the shifting block (15) is fixedly arranged on the vibration excitation rod (13), the cam (16) is rotationally arranged on the frame (1), the cam (16) is used for abutting the shifting block (15) and driving the vibration excitation rod (13) to slide towards a direction far away from the discharge pipe (221), and the third driving source (17) is used for driving the cam (16) to rotate.

6. The anti-clogging dry powder feeding apparatus of claim 5, wherein: the dial block (15) is rotatably provided with a roller (151), and the roller (151) is used for abutting against the cam (16) and is in rolling connection with the cam (16).