CN213801625U - High leakproofness screw conveying mechanism of high accuracy - Google Patents

Abstract

The utility model discloses a high-precision high-tightness spiral conveying mechanism, which comprises a motor, a speed reducer, a crosshead shoe coupling, a rotating shaft, a conveying mechanism, a sealing swing-proof mechanism and a swing-proof mechanism, wherein the two sides of an auger shell are specially provided with the two sealing swing-proof mechanisms with consistent mechanisms, a bearing B in the sealing swing-proof mechanism is assembled back to back with a tapered roller bearing, the load action of the two bearings is positioned at the central line of the bearing, the swing of the rotating shaft can be limited, the swing of the rotating shaft is reduced, the bearing can not be blocked, the arranged sealing ring can avoid impurities from entering to cause the bearing to be blocked, an oil seal is used for locking the kerosene in the bearing, the kerosene can not be leaked, the lubricating property of the bearing is ensured to be good, the bearing is also arranged in the swing-proof mechanism, the bearing can ensure the normal rotation of the rotating shaft on one hand, the other side limits the swing of the rotating shaft, the machine is prevented from being blocked, so that the normal operation of the screw conveying mechanism is ensured.

Description

High leakproofness screw conveying mechanism of high accuracy

Technical Field

The utility model relates to a screw conveying mechanism technical field, in particular to high leakproofness screw conveying mechanism of high accuracy.

Background

The screw machine is widely applied to various industries, such as building materials, chemical industry, plastic cement, electric power, metallurgy, coal mine charcoal, grain and other industries. At present, the machining mouth of eminence is transported to raw and other materials to the majority of needs in workshop, and the precision and the leakproofness of current screw machine are not good, and during dust and impurity in the raw and other materials got into the screw machine easily in the in-process of transportation raw and other materials, pile up for a long time and cause mechanical failure easily and can't use to the rotation axis can also appear the swing phenomenon at the operation in-process rotation axis of rotating machine, appears the card machine easily, can't use.

The utility model discloses with a high leakproofness screw conveying mechanism of high accuracy solves above-mentioned technical problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the precision and the leakproofness of current screw machine not good, during dust and impurity in the raw materials get into the screw machine easily in the in-process of transportation raw and other materials, pile up for a long time and cause mechanical failure easily and can't use to the rotary machine can also appear the swing phenomenon at operation in-process rotation axis, appears this technical problem of card machine easily, provides a high leakproofness screw conveying mechanism of high accuracy and solves above-mentioned technical problem.

For realizing the purpose of the utility model, the utility model adopts the technical scheme that: including motor, reduction gear, crosshead shoe shaft coupling, rotation axis, conveying mechanism, sealed anti-swing mechanism and anti-swing mechanism, conveying mechanism comprises auger casing, rotation axis, auger blade, sealed filler down, last gland and lower gland, sealed filler is located the upper end of auger casing inner chamber to it is fixed through last gland, sealed filler down is located the lower extreme of auger casing inner chamber to it is fixed through lower gland, the rotation axis is pegged graft at the inner chamber of auger casing, auger blade sets up on the rotation axis to be located auger casing inner chamber, the rotation axis runs through auger casing to stretch out from the both ends of auger casing, the motor links to each other with the reduction gear, the reduction gear passes through crosshead shoe shaft coupling and links to each other with the rotation axis top, the bottom of rotation axis is connected with anti-swing mechanism, the anti-swing mechanism consists of a bearing and a bearing seat, the bearing is fixed at the bottom end of the rotating shaft through the bearing seat a, a sealing ring and an oil seal are sequentially arranged at the position, in contact with the rotating shaft, of the upper end of the bearing seat a from top to bottom, a bearing gland is fixed at the upper end of the bearing seat a, an oil seal is arranged at the inner side of the lower end of the bearing seat a, two sealing anti-swing mechanisms are arranged and are respectively positioned at the upper end and the lower end of the packing auger shell, each sealing anti-swing mechanism consists of a bearing seat b, a bearing b, a tapered roller bearing, a bearing gland b and a planar flange, the bearing seat b and the tapered roller bearing are fixed on the rotating shaft through the bearing seat b, the bearing seat b and the tapered roller bearing are assembled back to back, the bearing gland b is fixed at the upper end of the bearing seat b, the lower end and the planar flange are mutually fixed, and a sealing ring and an oil seal are sequentially arranged between the bearing seat b and the bearing gland from top to bottom, and the position where the lower end of the bearing seat b is contacted with the rotating shaft is sequentially provided with an oil seal and a sealing ring from top to bottom.

Further, one side of the upper end of the auger shell is provided with a material inlet, one side of the lower end of the auger shell is provided with a material outlet, and the material inlet and the material outlet are positioned on different sides of the auger shell.

Further, the bearing a and the bearing b are thrust ball bearings, and kerosene soaking treatment is carried out before the bearing a, the bearing b and the tapered roller bearing are installed.

Compared with the prior art, the utility model has the advantages that: two sealing anti-swing mechanisms with the same mechanism are specially arranged on two sides of the auger shell, a bearing b in the sealing anti-swing mechanism and a tapered roller bearing are assembled back to back, the load action of the two bearings is positioned on the central line of the bearing, the swinging of the rotating shaft can be limited, the swinging of the rotating shaft is reduced, and the bearing can not block and die, the sealing washer that is equipped with can avoid impurity entering to cause the bearing card to die, the oil blanket is arranged in pinning the kerosene in the bearing, guarantee that the kerosene does not leak, guarantee that the lubricity of bearing is good, avoid bearing wear, further guarantee the high-speed rotation of bearing, the anti-swing mechanism that the rotation axis bottom set up, be equipped with the bearing among the anti-swing mechanism equally, the rotation axis normal rotation can be guaranteed on the one hand to the bearing, the swing of rotation axis has been injectd to the another side, further guarantee the normal rotation of rotation axis, avoid the card machine, thereby guarantee screw conveyor's normal function.

Drawings

Fig. 1 is a schematic structural view of a high-precision high-sealing spiral conveying mechanism of the present invention;

in the figure: 1. a motor; 2. a speed reducer; 3. a crosshead shoe coupling; 4. a rotating shaft; 5. a conveying mechanism; 6. a sealing anti-swing mechanism; 7. an anti-swing mechanism; 8. a packing auger housing; 9. a bearing gland; 10. a screw blade; 11. sealing the upper filler; 12. sealing the lower packing; 13. a gland is arranged; 14. A lower gland; 15. a, a bearing; 16. a, bearing seat; 17. a seal ring; 18. oil sealing; 19. b, bearing seats; 20. b, a bearing; 21. a tapered roller bearing; 22. b, bearing gland bush; 23. a planar flange; 24. a material inlet; 25. and (5) material outlet.

Detailed Description

In view of the deficiencies in the prior art, the technical solution of the present invention can be provided through long-term research and a large amount of practice. The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention.

Fig. 1 is the utility model discloses a high leakproofness screw conveying mechanism of high accuracy schematic diagram, as shown in fig. 1, the embodiment of the utility model provides a high leakproofness screw conveying mechanism of high accuracy: including motor 1, reduction gear 2, crosshead shoe shaft coupling 3, rotation axis 4, conveying mechanism 5, sealed anti-swing mechanism 6 and anti-swing mechanism 7, conveying mechanism 5 comprises auger housing 8, rotation axis 4, auger blade 10, sealed filler 11, sealed lower filler 12, go up gland 13 and gland 14 down, sealed filler 11 is located the upper end of auger housing 8 inner chamber to it is fixed through last gland 13, sealed lower filler 12 is located the lower extreme of auger housing 8 inner chamber to it is fixed through gland 14 down, rotation axis 4 pegs graft in auger housing 8's inner chamber, auger blade 10 sets up on rotation axis 4 to be located auger housing 8 inner chamber, rotation axis 4 runs through auger housing 8 to stretch out from auger housing 8's both ends, motor 1 links to each other with reduction gear 2, reduction gear 2 links to each other with rotation axis 4 top through crosshead shoe coupling 3, the bottom end of the rotating shaft 4 is connected with an anti-swing mechanism 7, the anti-swing mechanism 7 is composed of an a-bearing 15 and an a-bearing seat 16, the a-bearing 15 is fixed at the bottom end of the rotating shaft through the a-bearing seat 16, the contact position of the upper end of the a-bearing seat 16 and the rotating shaft 9 is sequentially provided with a sealing ring 17 and an oil seal 18 from top to bottom, the upper end of the a-bearing seat 16 is fixed with an a-bearing gland 9, the inner side of the lower end of the a-bearing seat 16 is provided with the oil seal 18, two sealing anti-swing mechanisms 6 are respectively positioned at the upper end and the lower end of the packing auger shell 8, the sealing anti-swing mechanism 6 is composed of a b-bearing seat 19, a b-bearing 20, a tapered roller bearing 21, a b-bearing gland 22 and a planar flange 23, the b-bearing 20 and the tapered roller bearing 21 are fixed on the rotating shaft 9 through the b-bearing seat 19, and the b bearing 20 and the tapered roller bearing 21 are assembled back to back, a b-bearing gland 22 is fixed at the upper end of the b-bearing seat 19, the lower end of the b-bearing seat is fixed with a plane flange 23, a sealing ring 17 and an oil seal 18 are sequentially arranged between the b-bearing seat 19 and the b-bearing gland 22 from top to bottom, and the oil seal 18 and the sealing ring 17 are sequentially arranged at the position, in contact with the rotating shaft 9, of the lower end of the b-bearing seat 19 from top to bottom.

The embodiment of the utility model provides a pair of high leakproofness screw conveying mechanism of high accuracy, upper end one side of auger casing 8 is equipped with material import 24, lower extreme one side of auger casing 8 is equipped with material export 25, material import 24 and material export 25 are located auger casing 8's different sides.

The embodiment of the utility model provides a high leakproofness screw feeding mechanism of high accuracy, a bearing 15 and b bearing 20 are thrust ball bearing, soak the kerosene and handle before a bearing 15, b bearing 20 and tapered roller bearing 21 install.

The utility model discloses beneficial effect includes: two sealing anti-swing mechanisms with the same mechanism are specially arranged on two sides of the auger shell, a bearing b in the sealing anti-swing mechanism and a tapered roller bearing are assembled back to back, the load action of the two bearings is positioned on the central line of the bearing, the swinging of the rotating shaft can be limited, the swinging of the rotating shaft is reduced, and the bearing can not block and die, the sealing washer that is equipped with can avoid impurity entering to cause the bearing card to die, the oil blanket is arranged in pinning the kerosene in the bearing, guarantee that the kerosene does not leak, guarantee that the lubricity of bearing is good, avoid bearing wear, further guarantee the high-speed rotation of bearing, the anti-swing mechanism that the rotation axis bottom set up, be equipped with the bearing among the anti-swing mechanism equally, the rotation axis normal rotation can be guaranteed on the one hand to the bearing, the swing of rotation axis has been injectd to the another side, further guarantee the normal rotation of rotation axis, avoid the card machine, thereby guarantee screw conveyor's normal function.

The utility model provides a pair of high leakproofness auger delivery mechanism of high accuracy, it should be understood, above-mentioned embodiment is only for the explanation the utility model discloses a technical conception and characteristics, its aim at let the personage of familiar with this technique can understand the utility model discloses an according to in order to implement, can not restrict with this the utility model discloses a protection scope. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (3)

1. The utility model provides a high leakproofness screw feeding mechanism of high accuracy which characterized in that includes: including motor, reduction gear, crosshead shoe shaft coupling, rotation axis, conveying mechanism, sealed anti-swing mechanism and anti-swing mechanism, conveying mechanism comprises auger casing, rotation axis, auger blade, sealed filler down, last gland and lower gland, sealed filler is located the upper end of auger casing inner chamber to it is fixed through last gland, sealed filler down is located the lower extreme of auger casing inner chamber to it is fixed through lower gland, the rotation axis is pegged graft at the inner chamber of auger casing, auger blade sets up on the rotation axis to be located auger casing inner chamber, the rotation axis runs through auger casing to stretch out from the both ends of auger casing, the motor links to each other with the reduction gear, the reduction gear passes through crosshead shoe shaft coupling and links to each other with the rotation axis top, the bottom of rotation axis is connected with anti-swing mechanism, the anti-swing mechanism consists of a bearing and a bearing seat, the bearing is fixed at the bottom end of the rotating shaft through the bearing seat a, a sealing ring and an oil seal are sequentially arranged at the position, in contact with the rotating shaft, of the upper end of the bearing seat a from top to bottom, a bearing gland is fixed at the upper end of the bearing seat a, an oil seal is arranged at the inner side of the lower end of the bearing seat a, two sealing anti-swing mechanisms are arranged and are respectively positioned at the upper end and the lower end of the packing auger shell, each sealing anti-swing mechanism consists of a bearing seat b, a bearing b, a tapered roller bearing, a bearing gland b and a planar flange, the bearing seat b and the tapered roller bearing are fixed on the rotating shaft through the bearing seat b, the bearing seat b and the tapered roller bearing are assembled back to back, the bearing gland b is fixed at the upper end of the bearing seat b, the lower end and the planar flange are mutually fixed, and a sealing ring and an oil seal are sequentially arranged between the bearing seat b and the bearing gland from top to bottom, and the position where the lower end of the bearing seat b is contacted with the rotating shaft is sequentially provided with an oil seal and a sealing ring from top to bottom.

2. The screw conveying mechanism with high precision and high sealing performance according to claim 1, is characterized in that: the packing auger comprises an auger shell and is characterized in that a material inlet is formed in one side of the upper end of the auger shell, a material outlet is formed in one side of the lower end of the auger shell, and the material inlet and the material outlet are located on different sides of the auger shell.

3. The screw conveying mechanism with high precision and high sealing performance according to claim 1, is characterized in that: the bearing a and the bearing b are thrust ball bearings, and the bearing a, the bearing b and the tapered roller bearing are subjected to kerosene soaking treatment before being installed.

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