CN218929868U

CN218929868U - Discharging mechanism of cement packing machine

Info

Publication number: CN218929868U
Application number: CN202320686461.3U
Authority: CN
Inventors: 秦彦慧; 张学军; 贾贵来; 杜久文; 张颖; 王艳玲
Original assignee: Tangshan Zhongyi Machinery Co ltd
Current assignee: Tangshan Zhongyi Machinery Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-04-28
Anticipated expiration: 2033-03-31

Abstract

The utility model relates to the technical field of cement packaging machines, in particular to a discharging mechanism of a cement packaging machine. The device comprises a motor, an ash discharge hopper, an impeller, a flashboard control device and an ash discharge pipe, wherein the motor is connected with the impeller, the impeller is arranged in the ash discharge hopper, a flashboard in the flashboard control device on the ash discharge hopper is movably connected with a flashboard seat plate, an installation shaft where the impeller is positioned is in a plumb state, and the impeller horizontally rotates; the cylinder in the flashboard controlling means passes through the cylinder block and locates out ash bucket side top, and flashboard stiff end is connected with the cylinder, and the flashboard extends the end downwardly extending to the guide way of flashboard bedplate and with guide way sliding fit. Compared with the prior art, the mounting shaft of the impeller is vertically mounted, so that the feeding of the feeding port of the ash hopper is smooth and full, the yield of the cement packaging machine is improved, the phenomena of more gas and bulge in the cement bag in the filling process are solved, dust pollution is reduced, and the weight precision of the cement bag is improved.

Description

Discharging mechanism of cement packing machine

Technical Field

The utility model relates to the technical field of cement packaging machines, in particular to a discharging mechanism of a cement packaging machine.

Background

At present, the installation mode of an impeller rotating shaft of a discharging mechanism of the domestic cement packaging machine is horizontal installation, and the impeller is driven by a belt; the flashboard control mechanism is a lever lower opening flashboard, the flashboard moves in an arc manner in the opening and closing process, and the sealing structure is mostly sealed by felt.

In CN201665314U disclosed by the national intellectual property agency, a discharge impeller of the cement packing machine adopts a structure that an impeller rotating shaft is horizontally arranged, when the impeller rotating shaft is horizontally arranged, an impeller inlet is arranged on the side surface, and a discharge hopper feeding hole of a discharge mechanism is arranged above, so that feeding is not smooth and insufficient; when the impeller rotates, the insufficient part of the material can be filled with air to enter the cement bag together, so that the yield of the cement packaging machine is reduced, the gas content in the cement bag is high, the gas carries cement to escape from a gap of the cement bag, dust pollution is caused, and the weight precision of the cement bag is affected.

The lever lower opening gate plate control mechanism is complex in structure, the lever is used for opening and closing the gate plate, the gate plate moves in an arc manner in the plane of the ash outlet flange of the ash outlet hopper, the gate plate is an elastic gate plate, the thickness of the gate plate is thin and easy to wear, and felt sealing single sides on two sides of the gate plate are frequently bent and extruded by the gate plate, so that ash leakage is easy. The felt seals and is located the weighing frame rear side, and the space is narrow and small, changes felt convenient operation.

The cement packing machine discharging device of CN203714194U disclosed by the national intellectual property agency adopts a tilting shaft structure, and the structure has the defects of low efficiency and easy occurrence of the phenomena of large filling gas and insufficient feeding.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the discharging mechanism of the cement packing machine, which has smooth feeding and reduces dust pollution in the filling process.

The utility model adopts the following technical scheme:

the utility model provides a cement packagine machine discharge mechanism, includes the motor, goes out the ash bucket, the impeller, flashboard controlling means, goes out the ash pipe, the motor is connected with the impeller, and in the ash bucket was arranged in to the impeller, flashboard and flashboard bedplate swing joint in the flashboard controlling means on the ash bucket, the installation axle at impeller place is in plumb state, impeller horizontal rotation.

Compared with the prior art, the utility model adopting the technical scheme has the advantages that the installation shaft of the impeller is vertically installed, so that the feeding of the feeding port of the ash hopper is smooth and full, the yield of the cement packaging machine is improved, the phenomena of more gas and bulge in the cement bag in the filling process are solved, the dust pollution is reduced, and the weight precision of the cement bag is improved.

The utility model adopts the following preferable scheme:

the cylinder in the flashboard controlling means passes through the cylinder block and locates out ash bucket side top, and flashboard stiff end is connected with the cylinder, and the flashboard extends the end downwardly extending to the guide way of flashboard bedplate and with guide way sliding fit.

The ash discharge hopper is connected with the flashboard seat board through an ash discharge hopper flange, and the ash discharge hopper flange is provided with a flashboard cover plate through a connecting stud.

The ash discharge hopper is connected with the flashboard seat plate through an ash discharge hopper flange, and the ash discharge hopper flange is connected with the flashboard cover plate through a positioning pin shaft and a connecting stud.

The ash hopper flange is also provided with a positioning pin shaft connected with the flashboard cover plate, a spring is sleeved on the connecting stud, and the other end of the connecting stud is provided with a locknut.

The other side face of the extending end of the flashboard is in sliding fit with the flashboard cover plate.

The flashboard cover plate is connected with a hose joint, and the hose joint is connected with an ash discharging pipe through a connecting hose.

The hose connector is internally provided with an air adding structure.

The cylinder arranged on the cylinder seat is connected with the flashboard through a connector.

The wind adding structure is as follows: the hose connector is internally provided with: the large cylindrical solid structure on the ventilation seat is tightly attached to or in interference fit with the large cylindrical hole of the hose connector.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is an enlarged view of the section I in fig. 1.

Fig. 3 is a right side view of fig. 2.

Fig. 4 is a schematic diagram of the windup structure.

Fig. 5 is a state diagram of the shutter being fully opened.

Detailed Description

The utility model is described in detail below with reference to the attached drawings and examples:

a discharge mechanism of a cement packing machine, see fig. 1 to 5, in which: the device comprises a motor 1, a sealing element 2, an impeller 3, an ash hopper 4, a feed inlet 5, an air cylinder 6, an air cylinder seat 7, an impeller inlet 8, an air cylinder output shaft 9, a connector 10, a flashboard 11, an ash hopper flange 12, a flashboard seat plate 13, a guide groove 1301, a flashboard cover plate 14, a connecting stud 15, a spring 16, a locknut 17, a connecting hose 18, a hose connector 19, a large cylindrical hole 1901, a small cylindrical hole 1902, a conical hole 1903, a positioning pin shaft 20, an air vent nozzle 21, an ash outlet pipe 22, an air vent seat 23 and an ash outlet 24.

In the embodiment, the motor 1 is connected with the impeller 3, the impeller 3 is directly connected with the motor 1, the structure is simple and compact, and the transmission efficiency is improved; parts such as an adjustable motor seat, a belt pulley, a belt and a belt protective cover are omitted, and the manufacturing cost is reduced; the packaging machine reduces wearing parts such as belts, reduces the occupation cost of spare parts for users, reduces the maintenance workload of adjusting and replacing the belts, reduces the maintenance downtime and improves the operation rate of the packaging machine; the direct connection discharging mechanism reduces the rotation load of the rotation packing machine and saves the electric energy.

A sealing element is arranged between the motor 1 and the impeller 3; the sealing member 2 is used to prevent ash leakage and pollution to the environment, and at the same time, protects the motor 1.

The impeller 3 is arranged in the ash discharge hopper 4, a flashboard 11 in a flashboard control device on the ash discharge hopper 4 is movably connected with a flashboard seat plate 13, the installation shaft of the impeller 3 is in a plumb state, and the impeller 3 horizontally rotates.

The cylinder 6 (an electric cylinder can be used for replacing the cylinder) in the flashboard control device is arranged above the side of the ash hopper 4 through the cylinder seat 7;

the flashboard control device arranged above the side of the ash hopper or at the upper part of the side of the ash hopper is characterized in that the flashboard 11 moves linearly up and down, the thickness of the flashboard 11 can be thickened, and the flashboard is rigid, so that the wear resistance and the strength of the flashboard 11 are improved, and the flashboard is not easy to damage. The spring 16 is used for pressing the flashboard cover plate 14, the two sides of the flashboard 11 are sealed, zero clearance sealing is realized, sealing is reliable, the elastic sealing can also avoid the phenomenon of blocking caused by impurities in materials, the characteristics of no blocking and no leakage at the flashboard 11 are realized, the environmental protection is facilitated, and the maintenance times and the maintenance workload are reduced.

The cylinder 6 mounted on the cylinder block 7 is connected with the fixed end of the shutter 11 through the connector 10, and the extended end of the shutter 11 extends downwards into the guide groove 1301 of the shutter seat plate 13 and is in close contact with the guide groove 1301 (the close contact needs to be ensured to be capable of sliding smoothly at the same time); the other side surface of the extended end of the shutter 11 is in close contact with the shutter cover 14 (the close contact needs to be ensured while being able to slide smoothly). The cylinder 6 can realize 3 positions, so that the flashboard 11 is in three states of full open, half close and full close, and thick and thin flow filling of a discharging mechanism of the cement packing machine is realized. The flashboard 11, the flashboard seat board 13 and the flashboard cover board 14 are all made of wear-resistant materials.

The ash discharge hopper 4 is connected with the flashboard seat plate 13 through an ash discharge hopper flange 12, and the ash discharge hopper flange 12 is connected with the flashboard cover plate 14 through a positioning pin shaft 20 and a connecting stud 15.

One end of the positioning pin shaft 20 is riveted on the ash bucket flange 12, and the other end of the positioning pin shaft is matched with the flashboard cover plate 14 for positioning the flashboard cover plate 14, so that the flashboard cover plate 14 is prevented from being driven to act when the flashboard 11 is opened or closed, and the metering precision is prevented from being influenced.

The connecting stud 15 is sleeved with a spring 16, one end of the connecting stud 15 is provided with a common nut (or a high-strength nut), the other end is provided with a locknut 17, and three connecting studs 15 can be adopted, or four connecting studs can be adopted; the spring 16 and the locknut 17 can press the flashboard 11 to realize zero clearance sealing, and the spring 16 can be made of rigid materials or rubber materials.

The flashboard cover plate 14 is connected with a hose joint 19, the hose joint 19 is connected with an ash discharge pipe 22 through a connecting hose 18, and an air adding structure is arranged in the hose joint 19 and is as follows:

the wind adding structure is as follows: the hose connector 19 is provided with: the stepped hole structure formed by the big cylindrical hole 1901, the small cylindrical hole 1902 and the taper hole 1903 is internally provided with the ventilation seat 23 matched with the stepped hole structure, the small cylindrical solid structure on the ventilation seat 23 is matched with the small cylindrical hole 1902, a ventilation space is arranged between the small cylindrical solid structure and the small cylindrical hole 1902, the big cylindrical solid structure on the ventilation seat 23 is tightly attached to or in interference fit with the big cylindrical hole 1901 of the hose joint 19, and the ventilation structure is winded through the ventilation nozzle 21, so that the phenomenon of filling blockage can be effectively prevented.

The working principle of the utility model is as follows:

when cement materials are filled, the weighing instrument controls the cylinder 6 to drive the flashboard 11 to move upwards in a straight line, so that the ash outlet 24 of the flashboard 11 coincides with the ash outlet of the ash hopper flange 12, and the ash outlet 24 is in a fully opened state. Cement enters the ash discharge hopper 4 from the feed inlet 5, the impeller 3 is driven by the motor 1 to horizontally rotate at a high speed, so that negative pressure is formed at the impeller inlet 8, the impeller 3 mounting shaft is in a vertical state, the impeller inlet 8 is positioned right below the feed inlet 5 of the ash discharge hopper 4, the cement rapidly and fully enters the impeller inlet 8, the cement is discharged from the ash discharge hopper flange 12 of the ash discharge hopper 4 through the action of the impeller 3, and enters the packaging bag through the flashboard seat plate 13, the flashboard 11, the flashboard cover plate 14, the hose connector 19, the connecting hose 18 and the ash discharge pipe 22, so that the filling of the cement is realized. When the weight of the cement bag reaches the lower limit value of the weighing instrument, the weighing instrument control cylinder 6 moves linearly downwards, so that the ash outlet 24 of the flashboard 11 is partially overlapped with the ash outlet of the ash outlet flange 12, the ash outlet 24 of the flashboard 11 is in a semi-closed state, trickle filling is started, when the weight of the cement bag reaches the upper limit value of the weighing instrument, the weighing instrument control cylinder 6 moves linearly downwards, so that the flashboard 11 completely blocks the ash outlet of the ash outlet flange 12, and the ash outlet 24 of the flashboard 11 is in a fully-closed state, and the filling is finished. When the shutter 11 is closed from the ash outlet 24 to the full closing, the cylinder 6 has short stroke and fast action, and can accurately control the ash amount, thereby realizing high precision of bag weight. During filling, the cement at the impeller inlet 8 is sufficient, so that the gas filling space caused by insufficient materials is greatly reduced, the gas in the cement bag is less, the filling is easy, the pollution is less, and the yield of the packaging machine is improved.

According to the embodiment, the rotating shaft of the impeller 3 is arranged in a plumb line, so that the feeding of the feeding port 5 of the ash bucket 4 is smooth and sufficient, the yield of the cement packaging machine is improved, the problems of more gas and bulge in the cement bag in the filling process are solved, the thick and thin flow filling is realized by the flashboard control device, the structure is simple, the sealing is reliable, the dust pollution is reduced, and the heavy precision of the cement bag is improved.

Claims

1. The utility model provides a cement packagine machine discharge mechanism, includes the motor, goes out the ash bucket, the impeller, flashboard controlling means, goes out the ash pipe, the motor is connected with the impeller, and in the ash bucket was arranged in to the impeller, flashboard and flashboard bedplate swing joint in the flashboard controlling means on the ash bucket, its characterized in that: the installation shaft where the impeller is located is in a plumb state, and the impeller horizontally rotates.

2. The cement packing machine discharge mechanism of claim 1, wherein: the cylinder in the flashboard controlling means passes through the cylinder block and locates out ash bucket side top, and flashboard stiff end is connected with the cylinder, and the flashboard extends the end downwardly extending to the guide way of flashboard bedplate and with guide way sliding fit.

3. The cement packing machine discharge mechanism of claim 2, wherein: the ash discharge hopper is connected with the flashboard seat board through an ash discharge hopper flange, and the flashboard cover board is arranged on the ash discharge hopper flange through a connecting stud.

4. The cement packing machine discharge mechanism of claim 2, wherein: the ash discharge hopper is connected with the flashboard seat plate through an ash discharge hopper flange, and the ash discharge hopper flange is connected with the flashboard cover plate through a positioning pin shaft and a connecting stud.

5. A cement packing machine discharge mechanism according to claim 3, wherein: the ash hopper flange is also provided with a positioning pin shaft connected with the flashboard cover plate, a spring is sleeved on the connecting stud, and the other end of the connecting stud is provided with a locknut.

6. The cement packing machine discharge mechanism of claim 2, wherein: the other side surface of the extended end of the flashboard is in sliding fit with the flashboard cover plate.

7. A cement packing machine discharge mechanism according to claim 3, wherein: the flashboard cover plate is connected with a hose joint, and the hose joint is connected with an ash outlet pipe through a connecting hose.

8. The cement packing machine discharge mechanism of claim 7, wherein: the hose joint is internally provided with an air-adding structure.

9. The cement packing machine discharge mechanism of claim 2, wherein: and a cylinder arranged on the cylinder seat is connected with the flashboard through a connector.