CN213674811U

CN213674811U - Automatic expanding agent adding device

Info

Publication number: CN213674811U
Application number: CN202021317166.3U
Authority: CN
Inventors: 虎永顺; 王有兰
Original assignee: Haidong Jinyuan Commercial Concrete Co Ltd
Current assignee: Haidong Jinyuan Commercial Concrete Co Ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-07-13
Anticipated expiration: 2030-07-07

Abstract

The application relates to an automatic expanding agent adding device, which relates to the field of concrete production and comprises a storage hopper, wherein the storage hopper is erected on a conveying belt, and a mounting frame is arranged above the conveying belt; the storage hopper is connected with the mounting frame through a fixing frame; the top of the storage hopper is provided with a feed inlet, and the bottom of the storage hopper is provided with a discharge outlet; the mounting rack is provided with a material guide hole; the mounting frame is provided with a discharging device; the discharging device comprises a plugging plate which is arranged on the mounting frame in a sliding manner and is used for plugging the discharging hole; the mounting rack is provided with a limiting component for limiting the plugging plate to slide along the length direction of the mounting rack; a discharging motor is fixed on the mounting rack; a driving disc is fixed on an output shaft of the discharging motor; a driving rod is connected between the end face of the driving disc far away from the discharging motor and the side wall of the plugging plate; one end of the driving rod and the position of the driving disk far away from the center. This application has the effect of being convenient for add expanding agent to loading on the conveyer belt of raw materials.

Description

Automatic expanding agent adding device

Technical Field

The application relates to the field of concrete production, in particular to an automatic expanding agent adding device.

Background

At present, the concrete expanding agent is a low-alkali and low-dosage high-performance concrete expanding agent, and the expansion performance of the concrete expanding agent is more matched with a standard-converted cement hydration system as the concrete expanding agent belongs to calcium sulphoaluminate concrete expanding agents. The expansion agent with the cement dosage of 8-10% is added into the concrete, so that the shrinkage of the concrete can be compensated, the crack resistance and seepage resistance of the concrete are improved, and the concrete becomes the seepage resistance waterproof concrete with excellent performance.

In the process of concrete production, raw materials are generally required to be conveyed to a powder tank through a conveying belt, a concrete expanding agent is required to be added in the process of conveying the raw materials through the conveying belt, the existing concrete expanding agent is respectively taken as a foundation through a storage hopper and a metering hopper, the expanding agent is stored in the storage hopper and then falls into the metering hopper, the expanding agent is weighed through the metering hopper, then the expanding agent with a certain weight is added onto the conveying belt, and the raw materials and the expanding agent are conveyed into the powder tank through the conveying belt to be fully stirred.

In view of the above-mentioned related technologies, the inventors believe that there are disadvantages of many steps for adding the swelling agent and inconvenient operation.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the addition of the expanding agent to a conveyor belt loaded with raw materials, the application provides an automatic expanding agent adding device.

The application provides an automatic device that adds of expanding agent adopts following technical scheme:

an automatic expanding agent adding device comprises a storage hopper, wherein the storage hopper is erected on a conveying belt used for conveying raw materials to a powder tank, and an installation frame is arranged above the conveying belt; the storage hopper is connected with the mounting frame through a fixing frame; the top of the storage hopper is provided with a feeding hole, and the bottom of the storage hopper is provided with a discharging hole; a material guide hole is formed in the mounting rack and is positioned right below the discharge hole; a material discharging device is arranged on the mounting frame and positioned at the material outlet; the discharging device comprises a plugging plate which is arranged on the mounting frame in a sliding mode and used for plugging the discharging hole; the mounting rack is provided with a limiting component for limiting the plugging plate to slide along the length direction of the mounting rack; the length direction of the plugging plate is consistent with that of the mounting frame; a discharging motor is fixed on the mounting rack; a driving disc is fixed on an output shaft of the discharging motor; a driving rod is connected between the end face of the driving disc far away from the discharging motor and the side wall of the plugging plate; one end of the driving rod is rotatably connected with the position, far away from the center, of the driving disc, and the other end of the driving rod is rotatably connected with one side of the plugging plate in the length direction.

Through adopting above-mentioned technical scheme, the discharge gate that the blowing device can intermittent type open and close the storage hopper realizes that the ration carries the expanding agent to the conveyer belt on. Drive blowing motor, make the blowing motor rotate and drive the driving-disc and rotate, because the one end and the driving-disc rotation of actuating lever are connected, make the driving-disc pulling actuating lever to the direction removal of keeping away from the storage hopper, when the tip that the actuating lever is connected with the driving-disc removed the position farthest away from the storage hopper along with the driving-disc, actuating lever pulling shutoff board removed the position nearest apart from the blowing motor along spacing subassembly, shutoff board staggers each other with the discharge gate this moment, make the intraoral expanding agent of discharge gate can fall and pass the guide mouth and enter into on the conveyer belt. When the driving disc continues to rotate, the end part of the driving rod connected with the driving disc moves to the position closest to the storage hopper, the sealing plate seals the discharge hole, and the expanding agent is not easy to leak. When the blowing motor rotates the round, the relation of shutoff board and discharge gate has following 5 processes: the blocking plate completely blocks the discharge hole, the blocking plate blocks a part of the discharge hole, the blocking plate does not block the discharge hole, the blocking plate blocks a part of the discharge hole, and the blocking plate completely blocks the discharge hole. Because the speed of unloading of the expanding agent in the storage hopper is constant when the expanding agent is added, in the process, the amount of the expanding agent discharged by the storage hopper is constant when the discharging motor rotates at a constant speed. The moving speed of the plugging plate can be increased by increasing the rotating speed of the discharging motor, and the discharging speed of the expanding agent is constant, so that the amount of the added expanding agent can be reduced. Through reducing the rotational speed of blowing motor, can slow down the speed that the shutoff board removed, the speed of unloading of inflation agent is unchangeable, can improve the volume of the inflation agent that adds. Through control blowing motor, can realize the ration and add the expanding agent, simple structure adds the step and easy and simple to handle, can improve the efficiency of adding the expanding agent greatly.

Preferably, the conveyer belt is arranged on the frame; baffles are arranged on the frame and on two sides of the width direction of the conveying belt; the baffle extends along the length direction of the conveying belt; the mounting frame comprises two support plates respectively arranged at two sides of the conveying belt and a mounting plate fixedly connected with the upper end surfaces of the two support plates; and one opposite sides of the two support plates are respectively attached to one sides far away from the two baffle plates.

Through adopting above-mentioned technical scheme, set up the baffle in the both sides of conveyer belt, can effectively reduce the in-process that the conveyer belt transmitted raw materials and inflation agent and lead to raw materials and inflation agent unrestrained. The supporting plate is arranged, the supporting plate is attached to the baffle, the discharge hole is opened by the discharging device, so that the expanding agent in the storage hopper is not easy to scatter, and the waste of materials caused by adding the expanding agent is reduced.

Preferably, the limiting assembly comprises two sliding rails which are arranged on the upper end surface of the mounting frame at intervals; the two slide rails are respectively positioned at two sides of the discharge hole, and the length direction of the slide rails is consistent with that of the mounting rack; and a sliding block in sliding fit with the sliding rail is arranged on the lower end face of the plugging plate.

Through adopting above-mentioned technical scheme, spacing subassembly can restrict the moving direction of shutoff board, and makes the shutoff board can use with the discharge gate cooperation steadily. When the driving disc drives the actuating lever and removes, the slider on the shutoff board can all the time with slide rail sliding fit to can make the driving disc rotate the round after, the shutoff board can seal the discharge gate again, prevent to continue to add the expanding agent.

Preferably, the lower end surface of the sliding block is provided with an installation groove; the mounting groove is internally and rotatably provided with a roller; the roller is arranged in the slide rail and is matched with the slide rail in a rolling way.

Through adopting above-mentioned technical scheme, set up the gyro wheel, change the sliding fit of shutoff board and slide rail into the rolling fit for it is more smooth and easy laborsaving to drive the shutoff board to remove when the blowing motor rotates.

Preferably, the lower end face of the plugging plate is provided with a sealing plate attached to the upper end face of the mounting frame.

Through adopting above-mentioned technical scheme, set up the closing plate at the lower terminal surface of shutoff board, can strengthen the sealed to the guide hole, and the up end sliding fit of closing plate and mounting bracket can improve the stability when shutoff board removes.

Preferably, the fixing frame comprises a fixing plate fixed on the mounting frame; the two fixing plates are arranged at intervals along the width direction of the mounting rack, and the two fixing plates are respectively positioned on two sides of the storage hopper; a strip-shaped plate is formed on the lower end face of the fixing plate; the strip-shaped plate is attached to and fixed with the upper end face of the mounting rack; a connecting plate is fixed between the two fixing plates; the connecting plate is sleeved on the outer side wall of the storage hopper and is fixedly connected with the outer side wall of the storage hopper.

Through adopting above-mentioned technical scheme, be fixed in the mounting bracket through the fixed plate on, the connecting plate supports the storage hopper for the installation of storage hopper is more reliable and more stable, is difficult for taking place to rock when unloading.

Preferably, the length direction of the fixing frame is consistent with that of the mounting frame; both sides of the fixed frame in the length direction are fixed with guard plates; the upper end surface of the guard plate is flush with the upper end surface of the connecting plate, and the lower end surface of the guard plate is fixed with the upper end surface of the mounting frame; one of the guard plates is provided with a strip-shaped hole for the driving rod to move.

Through adopting above-mentioned technical scheme, set up the backplate, can cooperate through mount and backplate, enclose the discharge gate inside backplate and mount for the difficult cleaning that scatters of expanding agent has improved the processing environment when unloading.

Preferably, the sections of the material guide hole and the material outlet are both circular; the aperture of the material guide hole is larger than that of the material outlet.

Through adopting above-mentioned technical scheme, the aperture of guide hole is greater than the aperture of discharge gate, and when the discharge gate was unloaded, the guide hole that aligns with the discharge gate can be fast arrange the inflation agent on the conveyer belt, and on the inflation agent was difficult for falling the mounting bracket when falling, further reduced the waste to the inflation agent.

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

the quantitative addition of the expanding agent can be realized by controlling the discharging motor, the structure is simple, the addition step and the operation are simple and convenient, and the efficiency of adding the expanding agent can be greatly improved;

the limiting assembly can limit the moving direction of the plugging plate, and the plugging plate can be stably matched with the discharge hole for use;

the protective plate is arranged, and the discharge hole can be enclosed in the protective plate and the fixed frame through the matching of the fixed frame and the protective plate, so that the expanding agent is not easy to scatter during discharging, and the cleanliness of the processing environment is improved.

Drawings

Fig. 1 is a schematic structural diagram of the whole of the embodiment of the present application.

Fig. 2 is a schematic structural diagram of a storage hopper according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a discharging device in an embodiment of the present application.

Description of reference numerals: 1. a conveyor belt; 11. a frame; 12. a baffle plate; 2. a mounting frame; 21. a support plate; 22. mounting a plate; 221. a material guide hole; 3. a storage hopper; 31. a feed inlet; 32. a discharge port; 4. a stirring device; 41. a stirring rod; 42. stirring blades; 43. a stirring motor; 44. a fixing member; 5. a fixed mount; 51. a fixing plate; 52. a strip plate; 53. a connecting plate; 54. a guard plate; 541. a strip-shaped hole; 6. a discharging device; 61. a plugging plate; 62. a sealing plate; 63. a drive rod; 64. a drive disc; 65. a discharging motor; 7. a limiting component; 71. a slide rail; 72. a slider; 73. and a roller.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses automatic device that adds of expanding agent. Referring to fig. 1, an automatic expanding agent adding device comprises a mounting frame 2, a storage hopper 3 and a discharging device 6. The mounting rack 2 is erected on the conveyer belt 1 used for conveying raw materials to the powder tank and is used for mounting the storage hopper 3. The storage hopper 3 is internally provided with a concrete expanding agent. The discharging device 6 is used for quantitatively conveying the expanding agent to the conveying belt 1. The conveyer belt 1 is installed on frame 11, and the both sides that just are located conveyer belt 1 width direction on frame 11 all are fixed with baffle 12, and baffle 12 extends along the length direction of conveyer belt 1.

Referring to fig. 1, the mounting bracket 2 includes a support plate 21 and a mounting plate 22. The two support plates 21 are arranged, the two support plates 21 are respectively fixed on two sides of the conveying belt 1 in the width direction, and one opposite sides of the two support plates 21 are respectively attached to one sides, far away from the two baffles 12. Two sides of the mounting plate 22 are respectively fixedly connected with the upper end surfaces of the two support plates 21. The longitudinal direction of the mounting plate 22 coincides with the transport direction of the conveyor belt 1.

Referring to fig. 1, the storage hopper 3 is connected with the mounting frame 2 through a fixing frame 5. The fixing frame 5 includes a fixing plate 51 and a strip-shaped plate 52. Two fixing plates 51 are arranged at intervals along the width direction of the mounting frame 2, and the two fixing plates 51 are respectively located at two sides of the storage hopper 3. A strip-shaped plate 52 is formed at the lower end of the fixed plate 51 and fixed to the mounting plate 22 by bolts. A connecting plate 53 is fixed between the two fixing plates 51, and the connecting plate 53 is sleeved on the outer side wall of the storage hopper 3 and is fixedly connected with the outer side wall of the storage hopper 3. The length direction of the fixing frame 5 is consistent with the length direction of the mounting frame 2. Guard plates 54 are fixed on two end faces of the fixing frame 5 in the length direction, the upper end faces of the guard plates 54 are flush with the upper end faces of the connecting plates 53, and the lower end faces of the guard plates 54 are fixed on the upper end faces of the mounting frame 2. The fixing frame 5 and the guard plate 54 are acrylic plates, so that not only can the protection effect be achieved, but also the state during discharging can be conveniently observed.

Referring to fig. 2, a feed inlet 31 is fixed to the top of the storage hopper 3, and a discharge outlet 32 is fixed to the bottom of the storage hopper 3. The storage hopper 3 is rotatably provided with a stirring device 4 for accelerating the falling of the expanding agent in the storage hopper 3. The stirring device 4 includes a stirring rod 41, a stirring blade 42, and a stirring motor 43. The top end of the stirring rod 41 is rotatably arranged at the inner top of the storage hopper 3, and the stirring rod 41 is vertically arranged. The stirring blade 42 is detachably and fixedly installed in the circumferential direction of the stirring rod 41 through the fixing piece 44, and the stirring blade 42 is uniformly provided with a plurality of spikes, so that the expanding agent can be stirred to be in a loose state, and the expanding agent can be conveniently discharged. The stirring motor 43 is fixed on the outer top wall of the storage hopper 3, and an output shaft of the stirring motor 43 is fixedly connected with the top end of the stirring rod 41. A material guiding hole 221 is formed in the mounting plate 22 and located right below the material outlet 32, and the cross sections of the material guiding hole 221 and the material outlet 32 are circular. In order to facilitate the swelling agent at the discharge port 32 to rapidly fall onto the conveyor belt 1, the diameter of the guide hole 221 is set to be larger than that of the discharge port 32.

Referring to fig. 2 and 3, the discharging device 6 includes a blocking plate 61, a sealing plate 62, a driving rod 63, a driving disk 64 and a discharging motor 65. The blocking plate 61 is slidably disposed on the mounting frame 2 for blocking the discharge hole 32. The longitudinal direction of the blocking plate 61 coincides with the longitudinal direction of the mounting frame 2. The sealing plate 62 is fixed to the lower end surface of the blocking plate 61 and is fitted to the upper end surface of the mounting plate 22. The discharging motor 65 is fixed on the mounting frame 2 and close to one side of the mounting frame 2 in the length direction. The drive plate 64 is fixed to the output shaft of the discharge motor 65. The drive rod 63 is located on the side of the drive disc 64 remote from the discharge motor 65. One end of the driving rod 63 is rotatably connected with a position far away from the center of the driving disc 64, and the other end of the driving rod 63 is rotatably connected with one side of the plugging plate 61 in the length direction.

Referring to fig. 1, a strip-shaped hole 541 is formed in one side of one guard plate 54, and the strip-shaped hole 541 is used for facilitating the movement of the driving rod 63. When the end of the driving rod 63 rotationally connected with the driving disk 64 is positioned at the highest point, the upper side wall of the driving rod 63 and the upper hole wall of the strip-shaped hole 541 are arranged at intervals; when the end of the driving rod 63 rotatably connected to the driving disc 64 is located at the lowest point, the lower sidewall of the driving rod 63 and the lower hole wall of the strip-shaped hole 541 are spaced, so that the guard plate 54 is not likely to interfere with the movement of the driving rod 541.

Referring to fig. 3, in order to restrict the blocking plate 61 from sliding along the length direction of the mounting frame 2, a stopper assembly 7 is mounted on the mounting frame 2. The limiting assembly 7 comprises two sliding rails 71, and the two sliding rails 71 are fixed on the upper end surface of the mounting frame 2 and are arranged at intervals along the width direction of the mounting plate 22. The two slide rails 71 are respectively located at two sides of the discharge port 32, and the length direction of the slide rails 71 is consistent with the length direction of the mounting rack 2. Two slider groups are arranged on the lower end face of the blocking plate 61 at intervals along the width direction of the mounting plate 22, and each slider group comprises two sliders 72 arranged at intervals along the length direction of the mounting plate 22. The lower end surface of the slider 72 is provided with a mounting groove, a roller 73 is rotatably arranged in the mounting groove, and the roller 73 is arranged in the slide rail 71 in a rolling manner.

The implementation principle of the automatic expanding agent adding device in the embodiment of the application is as follows: in the initial state, the blocking plate 61 completely covers the discharge opening 32 of the storage hopper 3, so that the discharge opening 32 is completely sealed, and the end of the driving rod 63 rotatably connected with the driving disk 64 is closest to the position of the discharge opening 32. The discharging motor 65 is driven to rotate at a constant speed, and the blocking plate 61 gradually moves in a direction away from the discharging port 32 from a state of completely blocking the discharging port 32, so that the discharging port 32 is gradually opened, and the expanding agent in the storage hopper 3 falls at a certain speed under the promoting action of the stirring device 4. After the discharging motor 65 drives the driving disc 64 to rotate for a full circle, the end of the driving rod 63 rotationally connected with the driving disc 64 returns to the position closest to the discharging port 32 again, so that the discharging port 32 completely shields the discharging port 32, and the operation of adding the expanding agent is completed. The discharging motor 65 is driven to continue rotating, and a certain amount of expanding agent can be continuously added.

Because the speed of unloading the expanding agent in the storage hopper 3 is constant when the expanding agent is added, in the process, the amount of the expanding agent discharged from the storage hopper 3 is constant when the discharging motor 65 rotates at a constant speed. By increasing the rotational speed of the discharging motor 65, the moving speed of the blocking plate 61 can be increased, and the discharging speed of the expanding agent is constant, so that the amount of the added expanding agent can be reduced. By reducing the rotating speed of the discharging motor 65, the moving speed of the blocking plate 61 can be reduced, the discharging speed of the expanding agent is unchanged, and the amount of the added expanding agent can be increased.

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. The utility model provides an automatic device that adds of expanding agent, includes storage hopper (3), storage hopper (3) erect be used for transmitting raw materials to powder jar on conveyer belt (1), its characterized in that: a mounting rack (2) is arranged above the conveying belt (1); the storage hopper (3) is connected with the mounting rack (2) through a fixing rack (5); a feed inlet (31) is formed in the top of the storage hopper (3), and a discharge outlet (32) is formed in the bottom of the storage hopper (3); a material guide hole (221) is formed in the mounting rack (2) and is positioned right below the material outlet (32); a material discharging device (6) is arranged on the mounting rack (2) and positioned at the material discharging hole (32); the discharging device (6) comprises a blocking plate (61) which is arranged on the mounting frame (2) in a sliding mode and used for blocking the discharging hole (32); the mounting rack (2) is provided with a limiting component (7) for limiting the blocking plate (61) to slide along the length direction of the mounting rack (2); the length direction of the blocking plate (61) is consistent with that of the mounting rack (2); a discharging motor (65) is fixed on the mounting rack (2); a driving disc (64) is fixed on an output shaft of the discharging motor (65); a driving rod (63) is connected between the end face of the driving disc (64) far away from the discharging motor (65) and the side wall of the plugging plate (61); one end of the driving rod (63) is rotatably connected with the position, far away from the center, of the driving disc (64), and the other end of the driving rod (63) is rotatably connected with one side of the plugging plate (61) in the length direction.

2. The automatic expanding agent adding device according to claim 1, wherein: the conveying belt (1) is arranged on the rack (11); baffles (12) are arranged on the frame (11) and positioned on two sides of the width direction of the conveying belt (1); the baffle (12) extends along the length direction of the conveying belt (1); the mounting frame (2) comprises two support plates (21) respectively arranged at two sides of the conveying belt (1) and a mounting plate (22) fixedly connected with the upper end surfaces of the two support plates (21); one sides of the two support plates (21) which are opposite to each other are respectively attached to one sides of the two baffles (12) which are far away from each other.

3. The automatic expanding agent adding device according to claim 1, wherein: the limiting assembly (7) comprises two sliding rails (71) which are arranged on the upper end surface of the mounting rack (2) at intervals; the two sliding rails (71) are respectively positioned at two sides of the discharge hole (32), and the length direction of the sliding rails (71) is consistent with that of the mounting rack (2); and a sliding block (72) in sliding fit with the sliding rail (71) is arranged on the lower end face of the blocking plate (61).

4. The automatic expanding agent adding device according to claim 3, wherein: the lower end surface of the sliding block (72) is provided with an installation groove; a roller (73) is rotationally arranged in the mounting groove; the roller (73) is arranged in the slide rail (71) and is matched with the slide rail (71) in a rolling way.

5. The automatic expanding agent adding device according to claim 1, wherein: and a sealing plate (62) attached to the upper end surface of the mounting frame (2) is arranged on the lower end surface of the blocking plate (61).

6. The automatic expanding agent adding device according to claim 1, wherein: the fixed frame (5) comprises a fixed plate (51) fixed on the mounting frame (2); two fixing plates (51) are arranged at intervals along the width direction of the mounting rack (2), and the two fixing plates (51) are respectively positioned on two sides of the storage hopper (3); a strip-shaped plate (52) is formed on the lower end face of the fixing plate (51); the strip-shaped plate (52) is attached to and fixed with the upper end face of the mounting rack (2); a connecting plate (53) is fixed between the two fixing plates (51); the connecting plate (53) is sleeved on the outer side wall of the storage hopper (3) and is fixedly connected with the outer side wall of the storage hopper (3).

7. The automatic expanding agent adding device according to claim 1, wherein: the length direction of the fixed frame (5) is consistent with that of the mounting frame (2); guard plates (54) are fixed on two sides of the fixed frame (5) in the length direction; the upper end surface of the guard plate (54) is flush with the upper end surface of the connecting plate (53), and the lower end surface of the guard plate (54) is fixed with the upper end surface of the mounting frame (2); one guard plate (54) is provided with a strip-shaped hole (541) for the driving rod (63) to move.

8. The automatic expanding agent adding device according to claim 1, wherein: the sections of the material guide hole (221) and the material outlet (32) are both circular; the aperture of the material guide hole (221) is larger than that of the material outlet (32).