CN101823615B - Screw conveyer - Google Patents
Screw conveyer Download PDFInfo
- Publication number
- CN101823615B CN101823615B CN201010177736.8A CN201010177736A CN101823615B CN 101823615 B CN101823615 B CN 101823615B CN 201010177736 A CN201010177736 A CN 201010177736A CN 101823615 B CN101823615 B CN 101823615B
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- CN
- China
- Prior art keywords
- bearing assembly
- housing
- thrust bearing
- external
- screw shaft
- 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.)
- Expired - Fee Related
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- Screw Conveyors (AREA)
- Sealing Devices (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The invention relates to a screw conveyer, which mainly aims at solving the technical problems that a gap arranged between the bearing assembly and the spindle of the existing powder conveying equipment easily causes axial material leakage and the like. The essential technical scheme is that a shell(12) is in a barrel-shaped structure, one end of the shell(12) is provided with an externally arranged centering bearing assembly(1), and the other end of the shell(12) is provided with an externally arranged thrust bearing assembly(7); the upper part of the shell(12) is provided with a material receiving port(5), and the lower part of the shell(12) is provided with a discharge port(6); and a screw shaft(11) is arranged in the shell(12), the two ends of the screw shaft(11) are respectively connected with the externally arranged centering bearing assembly(1) and the externally arranged thrust bearing assembly(7) in a sealing and matching mode, and the externally arranged thrust bearing assembly(7) is connected with a driving device(10). The screw conveyer can effectively prevent the materials from leaking and producing dust, can effectively prolong the service life of the device, and is especially suitable for being applied in the charging processes of various powders.
Description
Technical field
The present invention relates to a kind of device for powder carry.
Background technology
At present, general powder-material conveying equipment particularly screw conveyor in the process of convey materials, mostly gap is there is between its bearing assembly and screw shaft, thus easily produce axial material from leakage, be easy to produce dust, both easily polluted working environment, and also easily caused the waste of raw material, meanwhile, the service life of equipment is affected.
Summary of the invention
The object of this invention is to provide and a kind ofly not easily produce dust and charging progress is very fast, the conveyor screw of long service life.
The technical solution adopted for the present invention to solve the technical problems is: at housing 12 one-tenth tubular structure, and one end of housing 12 is provided with external tilting bearing assembly 1, and the other end is provided with external thrust bearing assembly 7; Material receiving port 5 is established on the top of housing 12, and discharging opening 6 is established in the bottom of housing 12; Be provided with screw shaft 11 in housing 12, the two ends of screw shaft 11 are sealed and matched with external thrust bearing assembly 7 one-tenth with external tilting bearing assembly 1 respectively and connect, and external thrust bearing assembly 7 connects with actuating device 10.External tilting bearing assembly 1 and external thrust bearing assembly 7 can adopt butt flange 3 to connect with housing 12 respectively.Also sealing arrangement 2 can be respectively arranged with in external tilting bearing assembly 1 and external thrust bearing assembly 7.Described sealing arrangement 2 comprises seal receptacle 14 and labyrinth gland 16, and seal receptacle 14 and labyrinth gland 16 adopt labyrinth seal structure in mating connection; The inwall of seal receptacle 14 is provided with aeroseal annular groove 13, seal receptacle 14 arranges the pressurized air incoming interface 19 communicated with aeroseal annular groove 13; Labyrinth gland 16 is provided with dust boot 17.Also at seal receptacle 14 and dust boot 17, the joint of rotating shaft can be provided with outside framework oil seal 18.
The present invention also can be provided with on housing 12 and inspect door 4.Or be connected with coupler 8, speed reduction gearing 9 and actuating device 10 in turn in one end that screw shaft 11 is set with external thrust bearing assembly 7.
Discharging opening 6 also can be arranged on the middle part of housing 12 by the present invention, and the helical-blade on screw shaft 11 is symmetric in the both sides of discharging opening 6 respectively.
The invention has the beneficial effects as follows: it arranges external tilting bearing assembly and external thrust bearing assembly respectively by becoming to be sealed and matched at the two ends of screw shaft, effectively can prevent the leakage of material, both not easily dust was produced, also can service life of extension device effectively; Meanwhile, by designing the helical-blade revolved in the both sides of discharging opening, thus can accelerate the conveying process of material, also making powder no longer freely land, it can avoid powder to produce airborne dust effectively, and avoids the waste of raw material.It is particularly suitable for being applied in the charging process of various powder.
Accompanying drawing explanation
Fig. 1 is contour structures schematic diagram of the present invention.
Fig. 2 is the plan structure schematic diagram of Fig. 1.
Fig. 3 is the partial enlargement structural representation installing external thrust bearing assembly end.
Fig. 4 is the partial enlargement structural representation installing external tilting bearing assembly end.
Fig. 5 is that the B-B of Fig. 4 is to sectional structure schematic diagram.
In figure: the external tilting bearing assembly of 1-, 2-sealing arrangement, 3-butt flange, 4-inspects door, 5-material receiving port, 6-discharging opening, the external thrust bearing assembly of 7-, 8-coupler, 9-speed reduction gearing, 10-actuating device, 11-screw shaft, 12-housing, 13-aeroseal annular groove, 14-seal receptacle, 15-labyrinth face of joint, 16-labyrinth gland, 17-dust boot, 18-outside framework oil seal, 19-pressurized air incoming interface.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further details.
Embodiment 1, housing 12 of the present invention adopts tubular structure, and one end of housing 12 is provided with external tilting bearing assembly 1, and the other end is provided with external thrust bearing assembly 7; Material receiving port 5 is established on the top of housing 12, and discharging opening 6 is established in the bottom of housing 12; Screw shaft 11 is provided with in housing 12, the two ends of screw shaft 11 are sealed and matched with external thrust bearing assembly 7 one-tenth with external tilting bearing assembly 1 respectively and connect, external thrust bearing assembly 7 connects with actuating device 10, or is connected with coupler 8, speed reduction gearing 9 and actuating device 10 in turn in one end that screw shaft 11 is set with external thrust bearing assembly 7.Manufacture for convenience and install and use, described external tilting bearing assembly 1 and external thrust bearing assembly 7 can adopt butt flange 3 to connect mutually with housing 12 respectively.Also sealing arrangement 2 can be respectively arranged with in external tilting bearing assembly 1 and external thrust bearing assembly 7.Described sealing arrangement 2 comprises seal receptacle 14 and labyrinth gland 16, and seal receptacle 14 and labyrinth gland 16 adopt labyrinth seal structure in mating connection; The inwall of seal receptacle 14 is provided with aeroseal annular groove 13, seal receptacle 14 arranges the pressurized air incoming interface 19 communicated with aeroseal annular groove 13, pressurized air enters in aeroseal annular groove 13 by pressurized air incoming interface 19 and forms certain pressure, form gas floating-ring seal, to strengthen sealing effectiveness; For effectively preventing dust from entering in bearing assembly, dust boot 17 can be provided with on labyrinth gland 16.For strengthening sealing sealing effectiveness further, also at seal receptacle 14 and dust boot 17, the joint of rotating shaft can be provided with outside framework oil seal 18.In use, seal receptacle 14 is fixed on housing, and labyrinth gland 16 and rotating shaft are fixedly connected, and the labyrinth face of joint that seal receptacle 14 is arranged is connected with labyrinth gland 16 one-tenth is dynamic; Drive screw shaft 11 to rotate by actuating device, material is all moved to discharging opening 6, thus realizes conveying function; Meanwhile, by mounting sealing device 2 in the external tilting bearing assembly 1 and external thrust bearing assembly 7 at screw shaft 11 two ends, thus effectively can prevent the leakage of material, both not easily produce dust, also can service life of extension device effectively; Consult Fig. 1 to Fig. 5.
Embodiment 2, for convenience of maintenance and observation service condition, the present invention also can be provided with on housing 12 and inspect door 4.Consult Fig. 1 to, Fig. 3 and Fig. 4, all the other are with embodiment 1.
Embodiment 3, discharging opening 6 also can be arranged on the middle part of housing 12 by the present invention, and the helical-blade on screw shaft 11 is symmetric in the both sides of discharging opening 6 respectively.It by designing the helical-blade revolved in the both sides of discharging opening 6, thus can accelerate the course of conveying of material, and powder is no longer freely landed, and avoids the possibility producing airborne dust.Consult Fig. 1, all the other same above-described embodiments.
Claims (3)
1. a conveyor screw, is characterized in that: become tubular structure at housing (12), one end of housing (12) is provided with external tilting bearing assembly (1), and the other end is provided with external thrust bearing assembly (7); Material receiving port (5) is established on the top of housing (12), and discharging opening (6) is established in the bottom of housing (12); Screw shaft (11) is provided with in housing (12), the two ends of screw shaft (11) become to be sealed and matched with external thrust bearing assembly (7) with external tilting bearing assembly (1) respectively and connect, and external thrust bearing assembly (7) connects with actuating device (10); External tilting bearing assembly (1) and external thrust bearing assembly (7) adopt butt flange (3) to connect with housing (12) respectively; Sealing arrangement (2) is respectively arranged with in described external tilting bearing assembly (1) and external thrust bearing assembly (7); Described sealing arrangement (2) comprises seal receptacle (14) and labyrinth gland (16), and seal receptacle (14) and labyrinth gland (16) adopt labyrinth seal structure in mating connection; The inwall of seal receptacle (14) is provided with aeroseal annular groove (13), at the upper pressurized air incoming interface (19) arranging groove (13) annular with aeroseal and communicate of seal receptacle (14), pressurized air enters in aeroseal annular groove (13) by pressurized air incoming interface (19) and forms certain pressure, form gas floating-ring seal, to strengthen sealing effectiveness; Enter in bearing assembly for effectively preventing dust; Labyrinth gland (16) is provided with dust boot (17); At seal receptacle (14) and dust boot (17), the joint of rotating shaft is provided with outside framework oil seal (18); The one end being set with external thrust bearing assembly (7) at screw shaft (11) is connected with coupler (8), speed reduction gearing (9) and actuating device (10) in turn; It, by becoming to be sealed and matched and to arrange external tilting bearing assembly and external thrust bearing assembly respectively at the two ends of screw shaft, effectively can prevent the leakage of material, both not easily produce dust, also can service life of extension device effectively; Meanwhile, by designing the helical-blade revolved in the both sides of discharging opening, thus can accelerate the conveying process of material, also making powder no longer freely land, it can avoid powder to produce airborne dust effectively, and avoids the waste of raw material.
2. conveyor screw according to claim 1, is characterized in that: be provided with on housing (12) and inspect door (4).
3. conveyor screw according to claim 1, it is characterized in that: discharging opening (6) is arranged on the middle part of housing (12), the helical-blade on screw shaft (11) is symmetric in the both sides of discharging opening (6) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010177736.8A CN101823615B (en) | 2010-05-17 | 2010-05-17 | Screw conveyer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010177736.8A CN101823615B (en) | 2010-05-17 | 2010-05-17 | Screw conveyer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101823615A CN101823615A (en) | 2010-09-08 |
| CN101823615B true CN101823615B (en) | 2015-06-17 |
Family
ID=42687830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010177736.8A Expired - Fee Related CN101823615B (en) | 2010-05-17 | 2010-05-17 | Screw conveyer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101823615B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104891118A (en) * | 2015-05-29 | 2015-09-09 | 大丰市和顺新能源科技研发有限公司 | Novel spiral conveyor |
| CN112919139A (en) * | 2021-01-18 | 2021-06-08 | 江西齐劲材料有限公司 | Direct-plow type powder block separator |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2130793Y (en) * | 1992-08-01 | 1993-04-28 | 郑长庆 | Flexible screw conveyer |
| DE4343389A1 (en) * | 1993-12-18 | 1995-06-22 | Koellemann A J Gmbh | Shaft unit for high pressure processing unit |
| CN2578277Y (en) * | 2002-11-08 | 2003-10-08 | 贵阳铝镁设计研究院 | Spiral conveyor |
| CN2723389Y (en) * | 2004-08-20 | 2005-09-07 | 张文川 | Middle hoisting bearing of screw conveyer and middle hoisting device used therefor |
| CN1978293A (en) * | 2005-11-30 | 2007-06-13 | 赵峰 | Spiral conveyor bearing body (suspension bearing) |
| CN201062162Y (en) * | 2007-05-22 | 2008-05-21 | 厦门厦工集团有限公司 | Shaft end seal structure of screw conveyor |
| JP2009126666A (en) * | 2007-11-27 | 2009-06-11 | Aisin Sangyo Kk | Rotating shaft seal mechanism for screw feeder and its assembling method |
| CN101665188A (en) * | 2009-09-29 | 2010-03-10 | 牛斌 | Sealed discharging machine |
| CN201694623U (en) * | 2010-05-17 | 2011-01-05 | 湖南省三联环保科技有限公司 | Spiral conveyor |
-
2010
- 2010-05-17 CN CN201010177736.8A patent/CN101823615B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2130793Y (en) * | 1992-08-01 | 1993-04-28 | 郑长庆 | Flexible screw conveyer |
| DE4343389A1 (en) * | 1993-12-18 | 1995-06-22 | Koellemann A J Gmbh | Shaft unit for high pressure processing unit |
| CN2578277Y (en) * | 2002-11-08 | 2003-10-08 | 贵阳铝镁设计研究院 | Spiral conveyor |
| CN2723389Y (en) * | 2004-08-20 | 2005-09-07 | 张文川 | Middle hoisting bearing of screw conveyer and middle hoisting device used therefor |
| CN1978293A (en) * | 2005-11-30 | 2007-06-13 | 赵峰 | Spiral conveyor bearing body (suspension bearing) |
| CN201062162Y (en) * | 2007-05-22 | 2008-05-21 | 厦门厦工集团有限公司 | Shaft end seal structure of screw conveyor |
| JP2009126666A (en) * | 2007-11-27 | 2009-06-11 | Aisin Sangyo Kk | Rotating shaft seal mechanism for screw feeder and its assembling method |
| CN101665188A (en) * | 2009-09-29 | 2010-03-10 | 牛斌 | Sealed discharging machine |
| CN201694623U (en) * | 2010-05-17 | 2011-01-05 | 湖南省三联环保科技有限公司 | Spiral conveyor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101823615A (en) | 2010-09-08 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20200517 |