CN216036905U - Screw conveyer - Google Patents

Abstract

The utility model belongs to the field of mining equipment, and particularly relates to a spiral conveyor. The speed reducing motor drives the spiral to rotate in the barrel, the speed reducing motor is arranged at one end of the barrel, a supporting device is arranged at the other end of the barrel and at the position of a spiral connection, a material port is formed in the barrel, a tapered roller bearing for supporting the stepped shaft is arranged at the other end of the stepped shaft, the tapered roller bearing is arranged in the bearing installation seat, a transition plate is arranged in the middle of one end face of the bearing installation seat in a fixed mode, a dust ring is fixed on the transition plate in the middle through a dust ring gland, the transition plate is arranged on the barrel in the middle of the dust ring, a limiting cover is fixed on the end face of the stepped shaft through a bolt, a limiting shoulder of the bearing installation seat is arranged between the limiting cover and the tapered roller bearing, and the other end of the bearing installation seat is a bearing end cover. The utility model has the advantages of modular design and reduction of the workload of disassembly and assembly. Through being provided with tapered roller bearing, on transmitting the organism with the axial force that the spiral produced, improved stability, reduced the fault rate.

Description

Screw conveyer

Technical Field

The utility model belongs to the field of mining equipment, and particularly relates to a spiral conveyor.

Background

During the material conveying process of the screw conveyor, the bottom bearing bears the weight of the whole conveying mechanism, and meanwhile, the bottom bearing is prevented from being polluted by mining powder, and the requirement of continuous operation of conveying the mining powder is met.

The screw conveyer is a machine which utilizes a motor to drive a screw to rotate and push materials so as to realize the conveying purpose. The horizontal, inclined or vertical conveying device can convey horizontally, obliquely or vertically, has the advantages of simple structure, small cross-sectional area, good sealing property, convenience in operation, easiness in maintenance, convenience in closed transportation and the like, and is widely applied to important industries such as food industry, building, chemistry, machinery, transportation and the like. Especially, when the mining powder is conveyed, because the mining powder has small particles and high hardness, when a hole in a dust ring of the bottom bearing is abraded, the dust particles can enter a bearing mounting seat and are abraded with an outer ring and an inner ring of the bearing, so that the bottom bearing is out of work, equipment is stopped, and great economic loss is caused. Therefore, the bearing dustproof sealing ring needs to be replaced regularly, and continuous operation of equipment is ensured without interruption.

SUMMERY OF THE UTILITY MODEL

To solve the problems mentioned in the background, the present invention shows a screw conveyor.

In order to achieve the above purpose, the following technical solutions are provided:

the utility model provides a screw conveyer, gear motor drive spiral at the barrel internal rotation, and gear motor sets up the one end at the barrel, and the other end and the screwed connection department of barrel are provided with strutting arrangement, are provided with the material mouth on the barrel, strutting arrangement includes one end and spiral fixed connection's step shaft, and the other end of step shaft is provided with the tapered roller bearing who supports the step shaft, and tapered roller bearing sets up in the bearing mount pad, crosses the cab apron in the middle of bearing mount pad terminal surface is fixed, and the dust ring passes through the dust ring gland to be fixed on the cab apron in the middle of, and the cab apron is installed on the barrel in the middle of crossing, and bolt fastening is spacing lid on the terminal surface of step shaft, is the spacing shoulder of bearing mount pad between spacing lid and the tapered roller bearing, and the other end of bearing mount pad is bearing end cover.

Furthermore, a framework sealing ring is arranged in the limiting shoulder.

Furthermore, a baffle plate is arranged between the limiting cover and the limiting shoulder.

The utility model has the beneficial effects that:

1. the bearing, the bearing mounting seat, the middle transition plate, the bearing end cover, the limiting cover, the dust ring and the dust ring gland are of an integral structure, and are in modular design, so that the assembling and disassembling workload is reduced.

2. Through being provided with tapered roller bearing, on transmitting the organism with the axial force that the spiral produced, improved stability, reduced the fault rate.

3. Dismouting dust ring gland and dust ring in order to avoid with dismantlement driving motor and speed reducer, set up transition connecting plate in the middle of the bottom, spiral cylinder bottom end plate shaft hole increase, and dust ring gland and dust ring can be followed the bottom and torn open, the dismouting of being convenient for.

Drawings

FIG. 1 is a schematic perspective view of a screw conveyor;

FIG. 2 is an enlarged partial cross-sectional view of a screw conveyor;

wherein: 1. a reduction motor; 2. a barrel; 3. spiraling; 4. a material port; 5. a support device; 51. a stepped shaft; 52. a tapered roller bearing; 53. a bearing mount; 54. a middle transition plate; 55. a dust ring gland; 56. a dust ring; 57. a skeleton sealing ring; 58. a baffle plate; 59. a limiting cover; 60. and (4) bearing end covers.

Detailed Description

In order to make the technical solution of the present invention more clear and definite for those skilled in the art, the technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the embodiments of the present invention are not limited thereto.

A screw conveyer, a speed reducing motor 1 drives a screw 3 to rotate in a cylinder 2, the speed reducing motor 1 is arranged at one end of the cylinder 2, a supporting device 5 is arranged at the joint of the other end of the cylinder 2 and the screw 3, a material port 4 is arranged on the cylinder 2, the supporting device 5 comprises a stepped shaft 51 with one end fixedly connected with the spiral 3, a tapered roller bearing 52 for supporting the stepped shaft 51 is arranged at the other end of the stepped shaft 51, the tapered roller bearing 52 is arranged in a bearing mounting seat 53, a middle transition plate 54 is fixed on one end face of the bearing mounting seat 53, a dust ring 56 is fixed on the middle transition plate 54 through a dust ring pressing cover 55, the middle transition plate 54 is mounted on the barrel 2, a limiting cover 59 is fixed on the end face of the stepped shaft 51 through a bolt, a limiting shoulder of the bearing mounting seat 53 is arranged between the limiting cover 59 and the tapered roller bearing 52, and a bearing end cover 60 is arranged at the other end of the bearing mounting seat 53. A framework sealing ring 57 is arranged in the limiting shoulder. A baffle plate 58 is arranged between the limit cover 59 and the limit shoulder.

The installation method comprises the following steps of;

1. the tapered roller bearing 52 is installed in the bearing installation seat 53, and the limiting shoulder is used for limiting.

2. The intermediate transition plate 54 is fixed at one end of the bearing mounting seat 53, the dust ring 56 is fixed on the intermediate transition plate 54 through the dust ring gland 55, one end of the stepped shaft 51 is inserted into the spiral 3 to be fixed, the other end is inserted into the tapered roller bearing 52, and the shaft shoulder of the stepped shaft 51 is propped against the tapered roller bearing 52.

3. The intermediate transition plate 54 is bolted to the barrel 2 of the spiral 3.

4. The framework is mounted in a sealing groove of the limiting shoulder in a sealing mode, the limiting shoulder is blocked by the baffle plate 58, the limiting cover 59 is fixed through bolts, and the limiting cover 59 abuts against the baffle plate 58 and the limiting shoulder.

5. Bearing end cap 60 is installed.

Through the improvement, when not only avoiding changing dust ring 56, at every turn need dismouting driving motor and speed reducer, the retrieval motor includes driving motor and speed reducer, takes out the trouble process of rotation axis, and more important optimization bearing frame reduces spare part use quantity, improves the bearing frame bearing capacity, has optimized equipment operating stability, has reduced the fault rate. Modularized design, through merging the dismouting assembly, the dismouting work load that significantly reduces when breaking down, emergent maintenance can be realized on the scene, has effectively reduced economic loss.

While the utility model has been described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (3)

1. The utility model provides a screw conveyer, gear motor (1) drive spiral (3) at barrel (2) internal rotation, and gear motor (1) sets up the one end at barrel (2), and the other end and spiral (3) junction of barrel (2) are provided with strutting arrangement (5), are provided with material mouth (4) on barrel (2), its characterized in that: the supporting device (5) comprises a stepped shaft (51) with one end fixedly connected with the spiral (3), a tapered roller bearing (52) for supporting the stepped shaft (51) is arranged at the other end of the stepped shaft (51), the tapered roller bearing (52) is arranged in a bearing mounting seat (53), a middle transition plate (54) is fixed on one end face of the bearing mounting seat (53), a dust ring (56) is fixed on the middle transition plate (54) through a dust ring gland (55), the middle transition plate (54) is installed on the barrel body (2), a limiting cover (59) is fixed on the end face of the stepped shaft (51) through a bolt, a limiting shoulder of the bearing mounting seat (53) is arranged between the limiting cover (59) and the tapered roller bearing (52), and a bearing end cover (60) is arranged at the other end of the bearing mounting seat (53).

2. A screw conveyor according to claim 1, wherein: and a framework sealing ring (57) is arranged in the limiting shoulder.

3. A screw conveyor according to claim 2, wherein: a baffle (58) is also arranged between the limiting cover (59) and the limiting shoulder.

Images