CN217894147U

CN217894147U - Multistage sealed screw conveyer suitable for high sealed environment material of claim

Info

Publication number: CN217894147U
Application number: CN202221764263.6U
Authority: CN
Inventors: 李鹏; 郭敏; 唐建; 骆翼梦; 吴长松; 姬生伟; 李伟平; 史建港; 云飞; 翟书强; 谢帅; 宋康; 宋健; 梁世峰; 王寒; 袁帅
Original assignee: Puyang Tiandiren Environmental Protection Technology Co ltd
Current assignee: Puyang Tiandiren Environmental Protection Technology Co ltd
Priority date: 2022-07-09
Filing date: 2022-07-09
Publication date: 2022-11-25
Anticipated expiration: 2032-07-09

Abstract

The utility model relates to a screw conveyer technical field, concretely relates to multistage sealed screw conveyer suitable for high requirement sealed environment material, which comprises a housin, be equipped with the screw axis in the casing, the casing is worn out to screw axis one end, casing one end is equipped with axle flange cover, be equipped with the bearing pedestal in the axle flange cover, axle flange cover and bearing pedestal all overlap and establish outside the screw axis, bearing pedestal top sealing connection has the bearing gland, be equipped with gland packing lid, gland packing and roller bearing in the bearing pedestal, housing end is equipped with spherical bearing, gland packing lid is equipped with the packing sealing washer with screw axis junction. The utility model discloses a mechanical seal, packing seal, flange seal and the sealed multiple sealing mode cooperation of bearing frame form multistage seal structure, assist mutually between the multiple seal, complementary, for screw conveyer provides high sealed condition, guarantee high sealed, the low normal transportation that requires the material of leaking.

Description

Multistage sealing screw conveyor suitable for high-requirement sealing environment materials

Technical Field

The utility model relates to a screw conveyer technical field, concretely relates to multistage sealed screw conveyer suitable for high requirement sealed environment material.

Background

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 material conveying device can convey materials horizontally, obliquely or vertically, and 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.

Screw conveyer among the prior art generally is through installing the fixed screw bearing of seated bearing or packing additional and realizes screw conveyer's simple and easy sealed, and utility model patent that publication number is CN208560654U and utility model patent that publication number is CN211544932U have disclosed the sealing method of above-mentioned type, but foretell sealing method is because the leakproofness is lower, when carrying the material that has higher sealed and isolation requirement such as easily infectious, poisonous, easily fire, explosive material, has the risk of material leakage, has very big harm to personnel and environment.

Disclosure of Invention

The utility model discloses a solve among the prior art problem that screw conveyer's leakproofness is low, provide a multistage seal screw conveyer suitable for high requirement sealed environment material, this screw conveyer improves the leakproofness through multistage seal, guarantees high seal, the normal transportation of low leakage requirement material.

In order to realize the purpose, the technical scheme of the utility model is that:

the utility model provides a multistage sealed screw conveyer suitable for high requirement sealed environment material, includes the casing, be equipped with the screw axis in the casing, screw axis one end is worn out the casing, casing one end is equipped with the axle flange cover, be equipped with the bearing pedestal in the axle flange cover, axle flange cover and bearing pedestal all overlap and establish outside the screw axis, bearing pedestal top sealing connection has the bearing gland, bearing gland and screw axis sealing connection, be equipped with the gland packing, gland packing and roller bearing in the bearing pedestal, gland packing is located the bearing pedestal bottom, gland packing and screw axis junction are equipped with the packing sealing washer, gland packing is located gland packing inboard, the casing tip is equipped with spherical bearing, spherical bearing is located casing and axle flange cover junction, spherical bearing, gland packing and roller bearing all overlap and establish on the screw axis. Through mechanical seal, packing seal, flange seal and the sealed multiple sealing mode cooperation of bearing frame form multistage seal structure, assist each other between the multiple sealed, complementary, for screw conveyer provides high sealed condition, guarantee the normal transportation of high sealed, the low leakage requirement material.

Furthermore, a gland sealing ring is arranged at the joint of the bearing gland and the bearing seat body, a bearing sealing ring is arranged at the joint of the bearing gland and the screw shaft, a gland bolt is arranged on the bearing gland, and the bearing gland is connected with the bearing seat body through the gland bolt. Bearing gland and bearing frame body form bearing frame seal structure, reduce the air that gets into in the bearing frame body, increase the leakproofness.

Furthermore, one end of the shaft flange sleeve is connected with a speed reduction motor, one end of the spiral shaft, which extends out of the shell, is provided with a key groove, a key pin is arranged in the key groove, and the speed reduction motor is connected with the spiral shaft through the key pin. The speed reducing motor is connected with the screw shaft through the key pin, so that the stability of the speed reducing motor for driving the screw shaft to rotate is ensured.

Further, casing one end is equipped with mounting flange, mounting flange and axle flange cover are connected, and the junction is equipped with the flange seal circle, mounting flange both ends all are equipped with the flange bolt, the mounting flange both ends all are connected with mounting flange and gear motor respectively through the flange bolt. The flange sealing ring is used for increasing the sealing performance of the flange seal and reducing air entering the shaft flange sleeve.

Furthermore, the spherical bearing is provided with a bearing bolt, the spherical bearing is connected with the shaft flange sleeve through the bearing bolt, the packing sealing cover is provided with a sealing cover bolt, and the packing sealing cover is connected with the bearing base body through the sealing cover bolt. The mechanical seal and the flange seal are matched, the bearing seat seal and the packing seal are matched, the two matched seals respectively seal the joint of the shaft flange sleeve and the shell and the inside of the shaft flange sleeve, and the multiple seals assist and complement each other.

Furthermore, a feed inlet and a feed outlet are respectively formed in the two ends of the shell, and a helical blade is arranged in the shell and fixed on the helical shaft.

Through the technical scheme, the beneficial effects of the utility model are that:

the screw shaft of the utility model is axially fixed through the spherical bearing and the roller bearing to form mechanical seal, so that the axial clearance caused by the eccentricity of the screw shaft in the motion process is reduced; use the packing to seal the packing, and compress tightly with the packing lid and reduce the hard friction of contact between screw axis and the packing lid, the clearance between screw axis and the packing lid is sealed through the packing circle, and the roller bearing outside carries out the bearing frame through bearing pedestal and bearing gland cooperation and seals, and the bearing pedestal outside carries out the flange seal through the axle flange cover, specifically, the utility model discloses a mechanical seal, the packing is sealed, the flange seals and the sealed multiple sealed mode cooperation of bearing frame form multistage seal structure, and the multiple is sealed helps mutually, complementary, provides high sealed condition for screw conveyer, guarantees high sealedly, the normal transportation of low leakage requirement material.

Drawings

Fig. 1 is a schematic structural view of the multi-stage sealing screw conveyor suitable for high-demand sealing environment materials.

Fig. 2 is a partial schematic view of the multi-stage sealing screw conveyer suitable for high-demand sealing environment materials.

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

Fig. 4 is an enlarged view at B in fig. 2.

The reference numbers in the drawings are as follows: the device comprises a speed reducing motor 1, a key pin 2, a screw shaft 3, a shaft flange sleeve 4, a bearing gland 5, a roller bearing 6, a bearing seat body 7, a flange seal ring 8, a fixed flange 9, a spherical bearing 10, a seat body seal ring 11, a packing seal ring 12, a packing seal cover 13, a packing seal packing 14, a gland seal ring 15, a bearing seal ring 16, a shell 17, a feed inlet 18, a feed outlet 19, a helical blade 20, a flange bolt 21, a bearing bolt 22, a capping bolt 23 and a gland bolt 24.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and detailed description:

as shown in fig. 1 to 3, the multistage sealing screw conveyor suitable for high-requirement sealing environment materials comprises a casing 17, a screw shaft 3 is arranged in the casing 17, one end of the screw shaft 3 penetrates out of the casing 17, one end of the casing 17 is provided with a shaft flange sleeve 4, a bearing seat body 7 is arranged in the shaft flange sleeve 4, the shaft flange sleeve 4 and the bearing seat body 7 are both sleeved outside the screw shaft 3, the top end of the bearing seat body 7 is hermetically connected with a bearing gland 5, the bearing gland 5 is hermetically connected with the screw shaft 3, the hermetic connection refers to sealing by a sealing ring, be equipped with packing sealed lid 13, packing sealed packing 14 and roller bearing 6 in the bearing pedestal 7, packing sealed lid 13 is located bearing pedestal 7 bottom, packing sealed lid 13 is equipped with packing sealing washer 12 with screw axis 3 junction, packing sealed packing 14 is located packing sealed lid 13 inboard, casing 17 tip is equipped with spherical bearing 10, spherical bearing 10 is located casing 17 and axle flange cover 4 junction, spherical bearing 10, packing sealed lid 13, packing sealed packing 14 and roller bearing 6 all overlap and establish on screw axis 3. The screw shaft 3 is axially fixed through the spherical bearing 10 and the roller bearing 6 to form a mechanical seal, the axial clearance caused by eccentricity generated in the movement process of the screw shaft 3 is reduced, the packing seal packing 14 is used for packing seal and is tightly pressed by the packing seal cover 13, the hard contact friction between the screw shaft 3 and the packing seal cover 13 is reduced, the clearance between the screw shaft 3 and the packing seal cover 13 is sealed through the packing seal ring 12, the outer side of the roller bearing 6 is matched with the bearing gland 5 through the bearing seat body 7 for bearing seat seal, the outer side of the bearing seat body 7 is matched with the flange through the shaft flange sleeve 4 for flange seal, a multi-stage seal structure is formed through the matching of various sealing modes of mechanical seal, packing seal, flange seal and bearing seat seal, the various seals are mutually assisted and complementary, a high-seal condition is provided for the screw conveyor, and the normal transportation of materials with high-seal and low-leakage requirements is ensured.

As shown in fig. 4, a gland sealing ring 15 is disposed at a joint of the bearing gland 5 and the bearing seat 7, a bearing sealing ring 16 is disposed at a joint of the bearing gland 5 and the screw shaft 3, a gland bolt 24 is disposed on the bearing gland 5, and the bearing gland 5 is connected to the bearing seat 7 through the gland bolt 24. The connection tightness of the bearing gland 5 is improved through the gland sealing ring 15 and the bearing sealing ring 16, the bearing gland 5 is connected with the bearing seat body 7 through the gland bolt 24 to form a bearing seat sealing structure, air entering the bearing seat body 7 is reduced, and the tightness is improved.

One end of the shaft flange sleeve 4 is connected with a speed reducing motor 1, one end of the screw shaft 3, extending out of the shell 17, is provided with a key groove, a key pin 2 is arranged in the key groove, and the speed reducing motor 1 is connected with the screw shaft 3 through the key pin 2. The screw shaft is characterized in that a feed inlet 18 and a feed outlet 19 are respectively formed in two ends of the shell 17, a screw blade 20 is arranged in the shell 17, and the screw blade 20 is fixed on the screw shaft 3. The material is put into the screw conveyor from the feed inlet 18, the speed reducing motor 1 is started, the speed reducing motor 1 is in fit connection with the screw shaft 3 through the key pin 2 to drive the screw shaft 3 to rotate, so that the screw blades 20 are driven to rotate to convey the material, the material is conveyed to the feed outlet 19, and the material leaves the screw conveyor from the feed outlet 19.

Casing 17 one end is equipped with mounting flange 9, mounting flange 9 is connected with axle flange cover 4, and the junction is equipped with flange seal 8, mounting flange 9 both ends all are equipped with flange bolt 21, mounting flange 9 both ends all are connected with mounting flange 9 and gear motor 1 respectively through flange bolt 21. The shaft flange sleeve 4 is connected with the fixing flange 9 and the speed reducing motor 1, the speed reducing motor 1 is fixed on the screw conveyer, the sealing performance of flange sealing is improved through the flange sealing ring 8, and air entering the shaft flange sleeve 4 is reduced.

The spherical bearing 10 is provided with a bearing bolt 22, the spherical bearing 10 is connected with the shaft flange sleeve 4 through the bearing bolt 22, the packing sealing cover 13 is provided with a sealing cover bolt 23, and the packing sealing cover 13 is connected with the bearing seat body 7 through the sealing cover bolt 23. The spherical bearing 10 is connected with the shaft flange sleeve 4 through a bearing bolt 22, so that the mechanical seal and the flange seal are matched, the packing seal cover 13 is connected with the bearing seat body 7 through a seal cover bolt 23, so that the bearing seat seal and the packing seal are matched, two matched seals respectively seal the joint of the shaft flange sleeve 4 and the shell 17 and the inside of the shaft flange sleeve 4, and a plurality of seals assist and complement each other.

When the screw conveyor is used, a material is placed into the screw conveyor from a feeding hole 18, the speed reducing motor 1 is started, the speed reducing motor 1 is connected with the screw shaft 3 in a matched mode through the key pin 2 to drive the screw shaft 3 to rotate, so that the screw blades 20 are driven to rotate to convey the material, the material is conveyed to the feed opening 19 and leaves the screw conveyor from the feed opening 19, the screw shaft 3 is axially fixed through the spherical bearing 10 and the roller bearing 6 to form a mechanical seal, an axial gap caused by eccentricity generated in the movement process of the screw shaft 3 is reduced, packing sealing is performed through the packing sealing packing 14 and is compressed through the packing sealing cover 13, contact hard friction between the screw shaft 3 and the packing sealing 13 is reduced, the gap between the screw shaft 3 and the packing sealing cover 13 is sealed through the packing sealing ring 12, the outer side of the roller bearing 6 is matched with the bearing cover 5 through the bearing seat body 7 to form bearing seat sealing, the outer side of the shaft 7 is flange sealed through the shaft flange sleeve 4, the spherical bearing 10 is connected with the shaft flange sleeve 4 through the bearing bolt 22, the mechanical seal and the flange sleeve are matched through the sealing ring, the sealing structure, and the sealing structure for ensuring that the material is matched with the high-level sealing structure and the high-sealing structure, and the high-level sealing structure for conveying the high-level sealing structure.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, so that all equivalent changes or modifications made by the technical solutions described in the claims of the present invention should be included in the claims of the present invention.

Claims

1. The utility model provides a multistage sealed screw conveyer suitable for high requirement sealed environment material, includes casing (17), be equipped with screw axis (3) in casing (17), its characterized in that, casing (17) are worn out to screw axis (3) one end, casing (17) one end is equipped with axle flange cover (4), be equipped with bearing pedestal (7) in axle flange cover (4), axle flange cover (4) and bearing pedestal (7) are all established outside screw axis (3), bearing pedestal (7) top sealing connection has bearing gland (5), bearing gland (5) and screw axis (3) sealing connection, be equipped with packing gland (13), packing seal packing (14) and roller bearing (6) in bearing pedestal (7), packing seal lid (13) are located bearing pedestal (7) bottom, packing gland (13) and screw axis (3) junction are equipped with packing sealing washer (12), packing seal packing (14) are located packing gland (13) inboard, casing (17) tip is equipped with spherical bearing (10), bearing (10) are located casing (17) and screw axis flange cover (4) junction and are established screw axis seal lid (3), bearing (13) seal gland (6) are all established at screw axis (10), bearing (13) and screw axis seal lid (6) The above.

2. The multistage sealing screw conveyor suitable for high-requirement sealing environment materials is characterized in that a gland sealing ring (15) is arranged at the joint of the bearing gland (5) and the bearing seat body (7), a bearing sealing ring (16) is arranged at the joint of the bearing gland (5) and the screw shaft (3), a gland bolt (24) is arranged on the bearing gland (5), and the bearing gland (5) is connected with the bearing seat body (7) through the gland bolt (24).

3. The multistage sealing screw conveyor suitable for high-requirement sealing environment materials according to claim 1, wherein one end of the shaft flange sleeve (4) is connected with a speed reduction motor (1), one end of the screw shaft (3) extending out of the shell (17) is provided with a key groove, a key pin (2) is arranged in the key groove, and the speed reduction motor (1) is connected with the screw shaft (3) through the key pin (2).

4. The multistage sealing screw conveyor suitable for high-requirement sealing environment materials is characterized in that a fixing flange (9) is arranged at one end of the shell (17), the fixing flange (9) is connected with the shaft flange sleeve (4), a flange sealing ring (8) is arranged at the joint of the fixing flange (9) and the shaft flange sleeve, flange bolts (21) are arranged at two ends of the fixing flange (9), and two ends of the fixing flange (9) are respectively connected with the fixing flange (9) and the speed reducing motor (1) through the flange bolts (21).

5. The multistage sealing screw conveyor suitable for high-requirement sealing environment materials is characterized in that a bearing bolt (22) is arranged on the spherical bearing (10), the spherical bearing (10) is connected with the shaft flange sleeve (4) through the bearing bolt (22), a sealing cover bolt (23) is arranged on the packing sealing cover (13), and the packing sealing cover (13) is connected with the bearing seat body (7) through the sealing cover bolt (23).

6. The multistage sealing screw conveyor suitable for high-requirement sealing environment materials is characterized in that a feeding port (18) and a discharging port (19) are respectively formed in two ends of a shell (17), a screw blade (20) is arranged in the shell (17), and the screw blade (20) is fixed on a screw shaft (3).