CN112097498A - Dewatering screw device - Google Patents

Dewatering screw device Download PDF

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Publication number
CN112097498A
CN112097498A CN202010820132.4A CN202010820132A CN112097498A CN 112097498 A CN112097498 A CN 112097498A CN 202010820132 A CN202010820132 A CN 202010820132A CN 112097498 A CN112097498 A CN 112097498A
Authority
CN
China
Prior art keywords
bearing
transmission shaft
self
spiral
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010820132.4A
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Chinese (zh)
Inventor
唐浩
谢金春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU DATANG MACHINERY CO Ltd
Original Assignee
JIANGSU DATANG MACHINERY CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JIANGSU DATANG MACHINERY CO Ltd filed Critical JIANGSU DATANG MACHINERY CO Ltd
Priority to CN202010820132.4A priority Critical patent/CN112097498A/en
Publication of CN112097498A publication Critical patent/CN112097498A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/18—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs
    • F26B17/22—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs the axis of rotation being vertical or steeply inclined
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/008—Seals, locks, e.g. gas barriers or air curtains, for drying enclosures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/02—Applications of driving mechanisms, not covered by another subclass

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)

Abstract

The invention discloses a dewatering spiral device, which is characterized in that: separate chamber board fixed mounting in the spiral casing, the clamp plate is installed on separating the chamber board and the clamp plate and separate and install the polytetrafluoroethylene board between the chamber board, in the annular groove of skeleton seal installation on the clamp plate and the sealed tight cover of skeleton on the screw axis, the transmission shaft left end is installed in bearing frame centre bore left side through angular contact tapered roller bearing and left self-aligning bearing, driven pulleys installs at the transmission shaft left end, the transmission shaft right-hand member is installed on bearing frame centre bore right side through right self-aligning bearing, right bearing passes through the lid to be installed on the bearing frame right flank and right bearing passes through the lid to be pressed on right self-aligning bearing, right lip seal installation passes through in the annular groove on the lid at right bearing and right lip. The invention has good sealing effect, effectively solves the problem of water leakage at the shaft end, meets the service performance of equipment, has stable and reliable operation, and improves the draining effect, thereby improving the spiral conveying yield.

Description

Dewatering screw device
Technical Field
The invention belongs to the technical field of dewatering screws, and particularly relates to a dewatering screw device.
Background
The matching between the spiral cavity separating plate and the spiral shaft in the existing dewatering spiral device is clearance matching, so the water leakage phenomenon often occurs, and the operation effect is seriously influenced; in addition, as the dewatering spiral shell is a U-shaped shell, the dewatering spiral shell and the draining screen plate are cold-work pieces, the roundness is difficult to reach an ideal state, and the gap between the spiral blade and the draining screen plate cannot be adjusted, the draining effect is unstable, and further the spiral conveying capacity is influenced; particularly, the sealing coaxiality of the screw transmission shaft and the shaft end at the position of the separation cavity plate is difficult to ensure, and the rotation of the screw shaft is seriously influenced, so that the dehydration effect is influenced.
Disclosure of Invention
The invention aims to solve the technical problem of providing the dewatering spiral device aiming at the defects of the prior art, which has good sealing effect, effectively solves the problem of water leakage at the shaft end, meets the service performance of equipment, runs stably and reliably, and improves the draining effect, thereby improving the spiral conveying yield.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
a dewatering screw, characterized by: including spiral shell, transmission shaft, driven pulleys, gland, supporting seat, shaft coupling, screw axis, waterlogging caused by excessive rainfall otter board, bearing frame, left self-aligning bearing, left lip seal, left bearing pass through lid, angular contact tapered roller bearing, right self-aligning bearing, right bearing pass through lid, right lip seal, clamp plate, separate chamber board, polytetrafluoroethylene board and skeleton seal, waterlogging caused by excessive rainfall otter board fixed mounting on the bottom surface in the spiral shell, separate chamber board fixed mounting in the spiral shell, the clamp plate pass through stud, nut and gasket fixed mounting on separating the chamber board and the clamp plate and separate the chamber board between install the polytetrafluoroethylene board, skeleton seal install in the annular groove on the clamp plate and skeleton seal tightly overlap on the screw axis, the screw axis left end pass through the shaft coupling and be connected with the transmission shaft right-hand member, the supporting seat pass through screw, nut and gasket fixed mounting on spiral shell left side flange, the bearing seat is fixedly arranged on the supporting seat, the left end of the transmission shaft is arranged on the left side of the central hole of the bearing seat through an angular contact tapered roller bearing and a left self-aligning bearing, the left bearing transparent cover is fixedly arranged on the left side surface of the bearing seat and pressed on the angular contact tapered roller bearing, the left lip-shaped seal is arranged in an annular groove on the left bearing through cover and is tightly sleeved on the transmission shaft, the driven belt wheel is arranged at the left end of the transmission shaft, the gland is fixedly arranged at the left end of the transmission shaft and presses the driven belt wheel, the right end of the transmission shaft is arranged on the right side of the central hole of the bearing seat through a right self-aligning bearing, the right bearing transparent cover is fixedly arranged on the right side surface of the bearing seat and is pressed on the right self-aligning bearing, the right lip seal is arranged in an annular groove on the right bearing through cover, and the right lip seal is tightly sleeved on the transmission shaft.
And 4 strip holes are arranged on the right side surface of the support seat.
And a hoisting ring is arranged at the top end of the bearing seat.
The driven belt wheel is uniformly provided with 2 radial threaded holes along the circumferential direction, and the radial threaded holes are internally provided with set screws.
An oil filling hole is arranged at the top end of the bearing seat, and an oil filling plug is arranged on the oil filling hole.
According to the invention, the end face sealing is carried out between the separate cavity plate and the pressing plate in the spiral shell by adopting the polytetrafluoroethylene plate, and the skeleton sealing is adopted between the pressing plate and the spiral shaft, so that the problem of water leakage at the shaft end is effectively solved, and the sealing effect is improved; because the screw shaft is in clearance fit with the partition cavity plate, the distance between the screw shaft and the draining screen plate arranged on the inner bottom surface of the screw shell can be adjusted, the draining effect is improved, and the screw conveying yield is improved; the motor drives the driven belt wheel to rotate through the conveying belt so as to drive the transmission shaft to rotate, and the transmission shaft drives the spiral shaft to rotate through the coupler so as to realize dehydration operation; the two ends of the transmission shaft are supported by the left self-aligning bearing, the angular contact tapered roller bearing and the right self-aligning bearing, so that the running precision of the transmission shaft is greatly improved, and the dehydration effect of the transmission shaft is improved.
The invention has the advantages that: the sealing effect is good, the problem of water leakage at the shaft end is effectively solved, the service performance of equipment is met, the operation is stable and reliable, the draining effect is improved, and the spiral conveying yield is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of the structure of the present invention at A;
FIG. 3 is an enlarged view of a portion of the structure of the present invention at B;
fig. 4 is an enlarged view of a portion of the structure at C of the present invention.
Wherein the reference numerals are: the automatic draining device comprises a spiral shell 1, a transmission shaft 2, a driven belt pulley 3, a gland 4, a support seat 5, a coupling 6, a spiral shaft 7, a draining screen plate 8, a bearing seat 9, a left self-aligning bearing 10, a left lip-shaped seal 11, a left bearing transparent cover 12, an angular contact tapered roller bearing 13, a right self-aligning bearing 14, a right bearing transparent cover 15, a right lip-shaped seal 16, a pressing plate 17, a cavity separating plate 18, a polytetrafluoroethylene plate 19 and a framework seal 20.
Detailed Description
The following further describes embodiments of the present invention in conjunction with the attached figures:
a dewatering screw, characterized by: the automatic draining device comprises a spiral shell 1, a transmission shaft 2, a driven belt pulley 3, a gland 4, a supporting seat 5, a coupler 6, a spiral shaft 7, a draining screen plate 8, a bearing seat 9, a left self-aligning bearing 10, a left lip seal 11, a left bearing transparent cover 12, an angular contact tapered roller bearing 13, a right self-aligning bearing 14, a right bearing transparent cover 15, a right lip seal 16, a pressing plate 17, a cavity separating plate 18, a polytetrafluoroethylene plate 19 and a framework seal 20, wherein the draining screen plate 8 is fixedly arranged on the bottom surface in the spiral shell 1, the cavity separating plate 18 is fixedly arranged in the spiral shell 1, the pressing plate 17 is fixedly arranged on the cavity separating plate 18 through a stud, a nut and a gasket, the polytetrafluoroethylene plate 19 is arranged between the pressing plate 17 and the cavity separating plate 18, the framework seal 20 is arranged in an annular groove on the pressing plate 17, the framework seal 20 is tightly sleeved on the spiral shaft 7, the left end of the spiral shaft 7 is connected with the, support seat 5 pass through screw, nut and gasket fixed mounting on 1 left side flange of spiral casing, 9 fixed mounting on support seat 5, 2 left ends of transmission shaft install in 9 centre bore left sides of bearing seat through angular contact tapered roller bearing 13 and left self-aligning bearing 10, left bearing pass through cover 12 fixed mounting on 9 left surfaces of bearing seat and left bearing pass through cover 12 and press on angular contact tapered roller bearing 13, left lip seal 11 install in the annular groove on left bearing pass through cover 12 and left lip seal 11 tight cover on transmission shaft 2, driven pulley 3 install at 2 left ends of transmission shaft, gland 4 fixed mounting on 2 left ends of transmission shaft and gland 4 press on driven pulley 3, 2 right-hand members of transmission shaft install on 9 centre bore right sides of bearing seat through right self-aligning bearing 14, right bearing pass through cover 15 fixed mounting on 9 right surfaces of bearing seat and right bearing pass through cover 15 and press on right side self-aligning shaft of bearing 9 The right lip seal 16 is mounted in an annular groove in the right bearing transparent cover 15 on the bearing 14, and the right lip seal 16 is tightly sleeved on the transmission shaft 2.
In the embodiment, 4 strip holes are arranged on the right side surface of the supporting seat 5.
In the embodiment, a lifting ring is arranged at the top end of the bearing seat 9.
In the embodiment, 2 radial threaded holes are uniformly distributed in the driven pulley 3 along the circumferential direction, and set screws are installed in the radial threaded holes.
In the embodiment, the top end of the bearing seat 9 is provided with an oil filling hole, and the oil filling hole is provided with an oil filling plug.
In the invention, the end face sealing is carried out between the separate cavity plate 18 and the pressure plate 17 in the spiral shell 1 by adopting the polytetrafluoroethylene plate 19, and the skeleton sealing 20 is adopted between the pressure plate 17 and the spiral shaft 7, thus effectively solving the problem of water leakage at the shaft end and improving the sealing effect; because the screw shaft 7 is in clearance fit with the partition cavity plate 18, the distance between the screw shaft 7 and the draining screen plate 8 arranged on the inner bottom surface of the screw shell 1 can be adjusted, the draining effect is improved, and the screw conveying yield is improved; the motor drives the driven belt wheel 3 to rotate through the conveying belt, so as to drive the transmission shaft 2 to rotate, and the transmission shaft 2 drives the spiral shaft 7 to rotate through the coupler 6, so that the dehydration operation is realized; the two ends of the transmission shaft 2 are supported by the left self-aligning bearing 10, the angular contact tapered roller bearing 13 and the right self-aligning bearing 14, so that the running precision of the transmission shaft is greatly improved, and the dehydration effect of the transmission shaft is improved.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may be made by those skilled in the art without departing from the principle of the invention.

Claims (5)

1. A dewatering screw, characterized by: comprises a spiral shell (1), a transmission shaft (2), a driven belt wheel (3), a gland (4), a supporting seat (5), a coupling (6), a spiral shaft (7), a draining screen plate (8), a bearing seat (9), a left self-aligning bearing (10), a left lip seal (11), a left bearing transparent cover (12), an angular contact tapered roller bearing (13), a right self-aligning bearing (14), a right bearing transparent cover (15), a right lip seal (16), a pressing plate (17), a separation cavity plate (18), a polytetrafluoroethylene plate (19) and a framework seal (20), wherein the draining screen plate (8) is fixedly arranged on the bottom surface in the spiral shell (1), the separation cavity plate (18) is fixedly arranged in the spiral shell (1), the pressing plate (17) is fixedly arranged on the separation cavity plate (18) through a double-headed stud, a nut and a gasket, and the polytetrafluoroethylene plate (19) is arranged between the pressing plate (17) and the separation cavity plate (18), the spiral shaft structure is characterized in that the framework seal (20) is arranged in an annular groove on a pressing plate (17), the framework seal (20) is tightly sleeved on the spiral shaft (7), the left end of the spiral shaft (7) is connected with the right end of the transmission shaft (2) through a coupler (6), the support seat (5) is fixedly arranged on a flange on the left side of the spiral shell (1) through a screw, a nut and a gasket, the bearing seat (9) is fixedly arranged on the support seat (5), the left end of the transmission shaft (2) is arranged on the left side of a center hole of the bearing seat (9) through an angular contact tapered roller bearing (13) and a left self-aligning bearing (10), the left bearing transparent cover (12) is fixedly arranged on the left side surface of the bearing seat (9), the left bearing transparent cover (12) is pressed on the angular contact tapered roller bearing (13), the left lip seal (11) is arranged in the annular groove on the left bearing transparent cover (12), and the left lip seal (11) is tightly sleeved, driven pulley (3) install at transmission shaft (2) left end, gland (4) fixed mounting press on driven pulley (3) at transmission shaft (2) left end and gland (4), transmission shaft (2) right-hand member install on bearing frame (9) centre bore right side through right self-aligning bearing (14), right bearing pass through lid (15) fixed mounting on bearing frame (9) right flank and right bearing pass through lid (15) and press on right self-aligning bearing (14), right lip seal (16) install in the annular groove on right bearing passes through lid (15) and right lip seal (16) tight cover on transmission shaft (2).
2. A dewatering screw according to claim 1, characterized in that: the right side surface of the supporting seat (5) is provided with 4 strip holes.
3. A dewatering screw according to claim 1, characterized in that: and a hoisting ring is arranged at the top end of the bearing seat (9).
4. A dewatering screw according to claim 1, characterized in that: the driven belt wheel (3) on evenly distributed have 2 radial screw holes and radial screw hole in-line mounting have holding screw.
5. A dewatering screw according to claim 1, characterized in that: an oil filling hole is arranged at the top end of the bearing seat (9), and an oil filling plug is arranged on the oil filling hole.
CN202010820132.4A 2020-08-14 2020-08-14 Dewatering screw device Pending CN112097498A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010820132.4A CN112097498A (en) 2020-08-14 2020-08-14 Dewatering screw device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010820132.4A CN112097498A (en) 2020-08-14 2020-08-14 Dewatering screw device

Publications (1)

Publication Number Publication Date
CN112097498A true CN112097498A (en) 2020-12-18

Family

ID=73753761

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010820132.4A Pending CN112097498A (en) 2020-08-14 2020-08-14 Dewatering screw device

Country Status (1)

Country Link
CN (1) CN112097498A (en)

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