CN215541830U

CN215541830U - Directly ally oneself with screw conveyer

Info

Publication number: CN215541830U
Application number: CN202122247517.9U
Authority: CN
Inventors: 顾逸; 顾根生; 高锐; 沈劲松
Original assignee: JIANGSU SAIDELI PHARMACEUTICAL MACHINE CO Ltd
Current assignee: JIANGSU SAIDELI PHARMACEUTICAL MACHINE CO Ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-01-18
Anticipated expiration: 2031-09-16

Abstract

The utility model provides a direct-connection spiral conveying device which comprises a discharging barrel, a speed reducer arranged at one end of the discharging barrel, a spiral wheel arranged in the discharging barrel and a coupler, wherein the coupler comprises a coupler output shaft and a coupler input shaft coaxially and fixedly connected with the coupler output shaft, an opening is formed in one end, facing the speed reducer, of the discharging barrel, one end, facing the speed reducer, of the discharging barrel is fixedly connected with a gland, an axially-penetrating inner hole is formed in the gland, the head end of the spiral wheel penetrates through the inner hole, the head end of the spiral wheel is fixedly connected with the coupler output shaft, a bearing is sleeved on the spiral wheel, the spiral wheel is rotatably connected with the gland through the bearing, a bearing cover is arranged at one end, facing the speed reducer, of the bearing, the coupler input shaft is rotatably connected with the speed reducer, and a sealing sleeve is embedded at one end, facing away from the speed reducer, of the gland. The utility model has simple and practical structure, long service life and good sealing performance.

Description

Directly ally oneself with screw conveyer

Technical Field

The utility model relates to the field of centrifuges, in particular to a direct-connection spiral conveying device.

Background

Centrifuge uses as solid-liquid separation equipment in trades such as chemical industry, pharmacy, wherein uses comparatively extensive horizontal scraper to unload partial model in the centrifuge and adopts the spiral form of unloading, has according to the transmission form: belt drive type and speed reducer antithetical couplet type, speed reducer antithetical couplet form mounting structure has the compactness, maintain advantages such as convenient, but in the use because spiral length is longer, it is difficult to add the concentricity control man-hour, the live time causes the spiral wheel axle to damage soon easily, and simultaneously, material in the antithetical couplet conveyor may have gas, liquid and solid, these substances get into the rotating gap very easily, destroy the bearing, thereby make whole device unable operation, it is comparatively troublesome again to overhaul and maintain, consequently, need a new technical scheme to solve above problem urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a direct-connection spiral conveying device which can reduce the influence of the disturbance of a spiral wheel on a speed reducer, so that the problem that the spiral wheel is easy to damage after being used for a long time is solved, the sealing performance of the whole device is further improved, and the service life is prolonged.

In order to achieve the technical purpose and achieve the technical requirements, the utility model adopts the technical scheme that: a direct-connection spiral conveying device comprises a discharge barrel, a speed reducer arranged at one end of the discharge barrel, a spiral wheel and a coupler arranged in the discharge barrel, wherein the coupler comprises a coupler output shaft and a coupler input shaft which is coaxially and fixedly connected with the coupler output shaft, a receiving hopper is arranged on the discharge barrel, a discharge opening is arranged on the lower surface of the discharge barrel, an opening is arranged at one end of the discharge barrel, which faces the speed reducer, and is fixedly connected with a gland, an axially-penetrating inner hole is arranged on the gland, the head end of the spiral wheel penetrates through the inner hole, the head end of the spiral wheel is fixedly connected with the coupler output shaft, a bearing is sleeved on the spiral wheel, the spiral wheel is rotatably connected with the gland through the bearing, a shaft sleeve is sleeved at the tail end of the spiral wheel, a positioning sleeve is sleeved on the shaft sleeve, and the positioning sleeve is fixedly connected with one end of the discharge barrel, which deviates from the speed reducer, the bearing is equipped with the bearing cap towards the one end of speed reducer, shaft coupling input shaft and speed reducer swivelling joint, the gland deviates from the one end of speed reducer and inlays and is equipped with the seal cover, the seal cover stretches into in the hole to with hole sealing connection.

As a preferred technical scheme: the output shaft of the coupler is connected with the input shaft of the coupler in a clamping mode.

As a preferred technical scheme: the input shaft of the coupler comprises an input shaft part and a first clamping part integrated with the input shaft part, wherein the first clamping part is provided with a first connecting hole, the periphery of the first clamping part is provided with a plurality of first clamping blocks which are uniformly distributed in the circumference, 1 first clamping groove is formed between every two first clamping blocks, the bottom surface of each first clamping groove is an arc surface, the diameter of the bottom surface of each first clamping groove is smaller than that of each first connecting hole, the output shaft of the coupler comprises a second clamping part and a connecting part, a through shaft hole for connecting a spiral wheel is formed in each connecting part, a second connecting hole is formed in the second clamping part, the periphery of each first connecting hole is provided with a plurality of second clamping blocks which are uniformly distributed in the circumference, 1 second clamping groove is formed between every two second clamping blocks, the bottom surface of each second clamping groove is an arc surface, the shapes of the first clamping grooves are matched with those of the second clamping blocks, and the shapes of the second clamping grooves are matched with those of the first clamping blocks, the diameter of the first connecting hole is equal to that of the second connecting hole, and the diameter of the bottom surface of the second clamping groove is equal to that of the bottom surface of the first clamping groove.

As a preferred technical scheme: the gland is labyrinth seal cover, labyrinth seal cover includes axle sleeve portion, the labyrinth seal portion that becomes an organic whole with axle sleeve portion, axle sleeve portion stretches into in the hole, the one end that the gland deviates from the speed reducer is equipped with the labyrinth groove, labyrinth seal portion establishes in the labyrinth groove.

As a preferred technical scheme: the shaft sleeve part is connected with the inner hole in a sealing mode through a sealing ring.

As a preferred technical scheme: the sealing ring is a double-layer U-shaped sealing ring.

As a preferred technical scheme: the double-layer U-shaped sealing ring is characterized in that a cavity which penetrates through the double-layer U-shaped sealing ring in the radial direction is formed in the double-layer U-shaped sealing ring, a gas circuit which penetrates through the gland in the radial direction is formed in the gland, the gas circuit is communicated with the cavity, and a gas circuit plug is arranged at the position of the gas circuit port.

As a preferred technical scheme: the shaft coupling input shaft deviates from the fixed indicator disk that is equipped with of one end of ejection of compact barrel, the speed reducer deviates from the fixed housing that is equipped with in one side of ejection of compact barrel, the indicator disk is established in the housing, the fixed inductive switch that is equipped with on the housing.

As a preferred technical scheme: the upside of ejection of compact barrel is equipped with scrapes the material mouth, it scrapes the material lid to scrape to be equipped with on the material mouth, the lower fixed surface who scrapes the material lid is equipped with scrapes the flitch.

As a preferred technical scheme: the head end of the spiral wheel is fixedly provided with a cover plate, and a cover plate hole is formed between the second connecting hole and the shaft hole.

The utility model has the beneficial effects that: a directly ally oneself with screw conveyer compares with traditional structure:

1) the input shaft of the coupler is connected with the speed reducer, and the output shaft of the coupler is connected with the spiral wheel, so that the coupler can absorb the disturbance of a part of the spiral wheel, the service time of the spiral wheel is longer, and the spiral wheel is less prone to fracture;

2) preferably, the coupling input shaft and the coupling output shaft are connected in a clamping manner, so that the installation is convenient;

3) preferably, a labyrinth seal and a sealing ring are arranged to form a multi-stage sealing structure, so that the overall sealing performance is improved;

4) preferably, the gas path is matched with the sealing ring, and gas with certain pressure is introduced to ensure that certain pressure is formed in a cavity of the sealing ring, so that corrosive gas, liquid and solid in the discharge cylinder body are not easy to enter a bearing part, and the bearing is prevented from being damaged;

5) the preferred indicator panel and inductive switch can monitor the rotational speed of speed reducer at any time, namely the rotational speed of helical wheel.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is an enlarged view of a portion of FIG. 1 at C;

FIG. 5 is a front view of the input shaft of the coupling;

FIG. 6 is a left side view of the coupling input shaft;

FIG. 7 is a front view of the output shaft of the coupling;

fig. 8 is a right side view of the output shaft of the coupling.

In fig. 1-8, 1, a reducer; 2. a helical wheel; 3. a gland; 301. an inner bore; 302. a labyrinth groove; 302. a gas circuit; 3021. a gas circuit plug; 4. a shaft sleeve; 5. a coupling input shaft; 501. an input shaft section; 502. a first clamping part; 5021. a first clamping block; 5022. a first card slot; 503. a first connection hole; 6. a coupling output shaft; 601. a connecting portion; 602. a second clamping part; 6021. a second fixture block; 6022. a second card slot; 603. a second connection hole; 604. a shaft hole; 605. cover plate holes; 7. a discharging cylinder body; 8. a bearing; 9. a positioning sleeve; 10. sealing sleeves; 1001. a boss portion; 1002. a labyrinth seal portion; 11. a seal ring; 1101. a cavity; 12. a U-shaped sealing ring; 13. a scraping plate; 14. a receiving hopper; 15. a bearing cap; 16. an indicator panel; 17. an inductive switch; 18. a housing; 19. a discharge opening; 20. a cover plate; 21. positioning a sleeve cover; 22. and (7) a scraping cover.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "top", "bottom", "left", "right", "front", "back", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description of the present invention, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms described above will be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-8, a direct connection screw conveyer comprises a discharge cylinder 7, a speed reducer 1 arranged at one end of the discharge cylinder 7, a screw wheel 2 arranged in the discharge cylinder 7, and a coupler, wherein the coupler comprises a coupler output shaft 6 and a coupler input shaft 5 coaxially and fixedly connected with the coupler output shaft 6, a receiving hopper 14 is arranged on the discharge cylinder 7, a discharge opening 19 is arranged on the lower surface of the discharge cylinder 7, an opening is arranged at one end of the discharge cylinder 7 facing the speed reducer 1, one end of the discharge cylinder 7 facing the speed reducer 1 is fixedly connected with a gland 3, an inner hole 301 axially penetrating through is arranged on the gland 3, the inner hole 301 is a stepped hole which can accommodate parts to be installed, the part of the coupler input shaft 5 connected with the coupler output shaft 6 is also arranged in the inner hole 301, and the head end of the screw wheel 2 passes through the inner hole 301, the head end of the spiral wheel 2 is fixedly connected with a coupler output shaft 6, a bearing 8 is sleeved on the spiral wheel 2, the spiral wheel 2 is rotatably connected with a gland 3 through the bearing 8, a shaft sleeve 4 is sleeved on the tail end of the spiral wheel 2, a positioning sleeve 9 is sleeved on the shaft sleeve 4, the positioning sleeve 9 is hermetically connected with the tail end of the spiral wheel 2, the positioning sleeve 9 is fixedly connected with one end of the discharging barrel 7, which is far away from the speed reducer 1, a bearing cap 15 is arranged at one end of the bearing 8, which faces the speed reducer 1, the coupler input shaft 5 is rotatably connected with the speed reducer 1, a gland 10 is embedded at one end of the gland 3, which is far away from the speed reducer 1, and the gland 10 extends into an inner hole 301 and is hermetically connected with the inner hole 301; materials discharged from the centrifuge enter the discharging barrel 7 through the material receiving hopper 14, the speed reducer 1 is started, the input end of the coupler drives the output end of the coupler to rotate, so that the spiral wheel 2 rotates, the materials are conveyed through the spiral wheel 2, and then the materials are discharged through the discharging opening 19; if helical wheel 2 directly links to each other with speed reducer 1, it is difficult concentric to helical wheel 2 is generally longer, and the disturbance is just very big like this, and shaft coupling input shaft 5 is connected with speed reducer 1, and shaft coupling output shaft 6 is connected with helical wheel 2, and the shaft coupling can absorb the disturbance of a part of helical wheel 2 like this, and helical wheel 2 is more difficult for the fracture.

As shown in fig. 1 to 8, the coupler output shaft 6 is connected with the coupler input shaft 5 in a clamping manner, and the coupler output shaft 6 is in interference fit with the coupler input shaft 5, further, the coupler input shaft 5 includes an input shaft portion 501, a first clamping portion 502 integrated with the input shaft portion 501, the first clamping portion 502 is provided with a first connecting hole 503, a plurality of first clamping blocks 5021 uniformly distributed circumferentially are arranged on the circumferential surface of the first clamping portion 502, 1 first clamping groove 5022 is formed between every two first clamping blocks 5021, the bottom surface of the first clamping groove 5022 is an arc surface, the diameter of the bottom surface of the first clamping groove 5022 is smaller than the diameter of the first connecting hole 503, the coupler output shaft 6 includes a second clamping portion 602 and a connecting portion 601, a through shaft hole 604 for connecting the helical wheel 2 is arranged in the connecting portion 601, a second connecting hole 603 is arranged in the second clamping portion 602, a plurality of second clamping blocks 6021 uniformly distributed in the circumference of the first connecting hole 503 are arranged, 1 second clamping groove 6022 is formed between every two second clamping blocks 6021, the bottom surface of the second clamping groove 6022 is an arc surface, the first clamping groove 5022 is matched with the second clamping block 6021 in shape, the second clamping groove 6022 is matched with the first clamping block 5021 in shape, the diameters of the first connecting hole 503 and the second connecting hole 603 are equal, and the diameter of the bottom surface of the second clamping groove 6022 is equal to the diameter of the bottom surface of the first clamping groove 5022; when the assembly is carried out, the first clamping block 5021 enters the second clamping groove 6022, the second clamping block 6021 enters the first clamping groove 5022, the bottom surface of the first clamping groove 5022 is embedded into the second connecting hole 603, the bottom surface of the second clamping groove 6022 is embedded into the first connecting hole 503 to form interference fit, thus, the output shaft 6 of the coupler and the input shaft 5 of the coupler can be clamped together, and the structure is convenient for positioning, thereby improving the concentricity during assembly, having simple structure and good fixing effect and assembly precision, and the installation is convenient, the production efficiency is improved, furthermore, a cover plate 20 is fixedly arranged on the head end of the spiral wheel 2, a cover plate hole 605 is formed between the second connecting hole 603 and the shaft hole 604, the cover plate 20 can protect the spiral wheel 2 and prevent the spiral wheel 2 from colliding with other parts during assembly, and the general cover plate 20 is connected with the head end of the spiral wheel 2 through a bolt; further, the number of the first latches 5021 is 3, 4 or 6, and most preferably, the number of the first latches 5021 is 4, and the number of the second latches 6021 is the same as that of the first latches 5021.

As shown in fig. 1-8, seal cover 10 is a labyrinth seal cover, labyrinth seal cover includes shaft sleeve portion, the labyrinth seal portion 1002 that becomes an organic whole with shaft sleeve portion 1001, shaft sleeve portion 1001 stretches into in hole 301, the one end that gland 3 deviates from speed reducer 1 is equipped with labyrinth groove 302, labyrinth seal portion 1002 is established in labyrinth groove 302, and is further, shaft sleeve portion 1001 passes through sealing washer 11 and hole 301 sealing connection, and during labyrinth seal cover can effectively prevent the corrosive substance in ejection of compact barrel 7 from getting into hole 301 to avoided bearing 8 in gland 3 to be damaged, labyrinth seal cover 10's principle is: if gas or liquid enters between the labyrinth seal portion 1002 and the labyrinth groove 302, a vortex is formed, so that negative pressure is generated, and thus the gas or liquid cannot enter the gland 3, and if the gas or liquid is fixed, the gas or liquid is directly intercepted by the labyrinth groove 302 and cannot enter the inner hole 301; meanwhile, a sealing ring 11 is arranged on the shaft sleeve part 1001 to form multi-stage sealing, so that the sealing performance is further improved, the service life of the bearing 8 can be greatly prolonged, further, a cavity 1101 which penetrates through the sealing ring 11 in the radial direction is arranged on the sealing ring, a gas path 302 which penetrates through the gland 3 in the radial direction is arranged on the gland 3, the gas path 302 is communicated with the cavity 1101, and a gas path plug 3021 is arranged at the position of a port of the gas path 302; open gas circuit stopper 3021, let in the gas of certain pressure, gas gets into cavity 1101 from gas circuit 302, and cavity 1101 forms certain pressure, and pressure can prevent materials such as gas, solid, liquid to get into hole 301 and destroy bearing 8, and is further, sealing washer 11 is double-deck U type sealing washer, further promotes sealing performance, and is further equipped with two seal grooves in the periphery of double-deck U type sealing washer, is equipped with O type circle in the seal groove, and sealing performance is splendid.

As shown in fig. 1 to 8, an indicating plate 16 is fixedly arranged at one end of the coupling input shaft 5 away from the discharging cylinder 7, a housing 18 is fixedly arranged at one side of the speed reducer 1 away from the discharging cylinder 7, the indicating plate 16 is arranged in the housing 18, and an inductive switch 17 is fixedly arranged on the housing 18, generally speaking, the inductive switch 17 is connected with a control system, and can detect the rotating speed of the speed reducer 1 at any time, and select different rotating speeds according to different materials.

As shown in fig. 1-8, the upside of ejection of compact barrel 7 is equipped with scrapes the material mouth, scrape the material mouth and scrape material lid 22 through bolt fixedly connected with, the lower fixed surface of scraping material lid 22 is equipped with scrapes flitch 13, and the material bonds not only can cause conveying efficiency to descend on helical wheel 2, also can lead to the material loss, scrapes the flitch 13 and can scrape the material on helical wheel 2, prevents that the material from bonding on helical wheel 2 to improve conveying efficiency, reduce the material loss.

As shown in fig. 1-8, the positioning sleeve 9 is connected with the tail end of the spiral wheel 2 in a sealing way through a U-shaped sealing ring.

As shown in fig. 1 to 8, the head end of the helical wheel 2 is connected with the output shaft 6 of the coupling in a key connection mode or in a threaded connection mode, and different connection modes are adopted according to different design requirements.

The foregoing examples are given solely for the purpose of illustrating the utility model and are not to be construed as limiting the embodiments, and other variations and modifications in form thereof will be suggested to those skilled in the art upon reading the foregoing description, and it is not necessary or necessary to exhaustively enumerate all embodiments and all such obvious variations and modifications are deemed to be within the scope of the utility model.

Claims

1. A direct-connection spiral conveying device comprises a discharge barrel, a speed reducer arranged at one end of the discharge barrel, and a spiral wheel arranged in the discharge barrel, and is characterized by further comprising a coupler, wherein the coupler comprises a coupler output shaft and a coupler input shaft which is coaxially and fixedly connected with the coupler output shaft, a receiving hopper is arranged on the discharge barrel, a discharge opening is formed in the lower surface of the discharge barrel, an opening is formed in one end, facing the speed reducer, of the discharge barrel, the end, facing the speed reducer, of the discharge barrel is fixedly connected with a gland, an inner hole which axially penetrates through the discharge barrel is formed in the gland, the head end of the spiral wheel penetrates through the inner hole, the head end of the spiral wheel is fixedly connected with the coupler output shaft, a bearing is sleeved on the spiral wheel, the spiral wheel is rotatably connected with the gland through the bearing, a shaft sleeve is sleeved at the tail end of the spiral wheel, and a positioning sleeve is sleeved on the shaft sleeve, the positioning sleeve is connected with the tail end of the spiral wheel in a sealing mode, the positioning sleeve is fixedly connected with one end, away from the speed reducer, of the discharging barrel, a bearing cover is arranged at one end, facing the speed reducer, of the bearing, the input shaft of the coupler is connected with the speed reducer in a rotating mode, a sealing sleeve is embedded at one end, away from the speed reducer, of the pressing cover, and the sealing sleeve stretches into the inner hole and is connected with the inner hole in a sealing mode.

2. A direct screw conveyor according to claim 1, wherein: the coupler output shaft and the coupler input shaft are connected in a clamping mode, and are in interference fit.

3. A direct screw conveyor according to claim 2, wherein: the input shaft of the coupler comprises an input shaft part and a first clamping part integrated with the input shaft part, wherein the first clamping part is provided with a first connecting hole, the periphery of the first clamping part is provided with a plurality of first clamping blocks which are uniformly distributed in the circumference, 1 first clamping groove is formed between every two first clamping blocks, the bottom surface of each first clamping groove is an arc surface, the diameter of the bottom surface of each first clamping groove is smaller than that of each first connecting hole, the output shaft of the coupler comprises a second clamping part and a connecting part, a through shaft hole for connecting a spiral wheel is formed in each connecting part, a second connecting hole is formed in the second clamping part, the periphery of each first connecting hole is provided with a plurality of second clamping blocks which are uniformly distributed in the circumference, 1 second clamping groove is formed between every two second clamping blocks, the bottom surface of each second clamping groove is an arc surface, the shapes of the first clamping grooves are matched with those of the second clamping blocks, and the shapes of the second clamping grooves are matched with those of the first clamping blocks, the diameter of the first connecting hole is equal to that of the second connecting hole, and the diameter of the bottom surface of the second clamping groove is equal to that of the bottom surface of the first clamping groove.

4. A direct screw conveyor according to claim 1, wherein: the gland is labyrinth seal cover, labyrinth seal cover includes axle sleeve portion, the labyrinth seal portion that becomes an organic whole with axle sleeve portion, axle sleeve portion stretches into in the hole, the one end that the gland deviates from the speed reducer is equipped with the labyrinth groove, labyrinth seal portion establishes in the labyrinth groove.

5. The direct screw conveyor according to claim 4, wherein: the shaft sleeve part is connected with the inner hole in a sealing mode through a sealing ring.

6. A direct screw conveyor according to claim 5, wherein: the sealing ring is provided with a cavity which penetrates through the sealing ring in the radial direction, the gland is provided with a gas circuit which penetrates through the gland in the radial direction, the gas circuit is communicated with the cavity, and a gas circuit plug is arranged at the position of the gas circuit port.

7. A direct screw conveyor according to claim 5 or 6, wherein: the sealing ring is a double-layer U-shaped sealing ring.

8. A direct screw conveyor according to claim 1, wherein: the shaft coupling input shaft deviates from the fixed indicator disk that is equipped with of one end of ejection of compact barrel, the speed reducer deviates from the fixed housing that is equipped with in one side of ejection of compact barrel, the indicator disk is established in the housing, the fixed inductive switch that is equipped with on the housing.

9. A direct screw conveyor according to claim 1, wherein: the upside of ejection of compact barrel is equipped with scrapes the material mouth, it scrapes the material lid to scrape to be equipped with on the material mouth, the lower fixed surface who scrapes the material lid is equipped with scrapes the flitch.

10. A direct screw conveyor according to claim 3, wherein: the head end of the spiral wheel is fixedly provided with a cover plate, and a cover plate hole is formed between the second connecting hole and the shaft hole.