CN111204478A - Single-station internal and external twin-screw mechanism - Google Patents
Single-station internal and external twin-screw mechanism Download PDFInfo
- Publication number
- CN111204478A CN111204478A CN202010176314.2A CN202010176314A CN111204478A CN 111204478 A CN111204478 A CN 111204478A CN 202010176314 A CN202010176314 A CN 202010176314A CN 111204478 A CN111204478 A CN 111204478A
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- CN
- China
- Prior art keywords
- screw rod
- sleeve
- external
- screw mechanism
- internal
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
- B65B1/10—Methods of, or means for, filling the material into the containers or receptacles by rotary feeders
- B65B1/12—Methods of, or means for, filling the material into the containers or receptacles by rotary feeders of screw type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
- B65D88/64—Large containers characterised by means facilitating filling or emptying preventing bridge formation
- B65D88/68—Large containers characterised by means facilitating filling or emptying preventing bridge formation using rotating devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention belongs to the technical field of mechanical screw filling equipment, and relates to a single-station internal and external double-screw mechanism which comprises a shell, wherein the shell comprises a sleeve and a transition bin integrally connected to the sleeve, an external screw rod is rotationally arranged in the sleeve, an internal screw rod is rotationally matched in a screw rod hole of the external screw rod, the external screw rod and the internal screw rod are respectively driven to operate by corresponding and mutually independent driving assemblies, and a feed inlet communicated with the screw rod hole of the external screw rod is arranged on a rod body of the external screw rod, which corresponds to the blanking part of the transition bin. The screw mechanism can effectively save space and has higher filling efficiency.
Description
Technical Field
The invention belongs to the technical field of mechanical screw filling equipment, and relates to a single-station internal and external double-screw mechanism.
Background
In mechanical screw filling field, generally fill for the single screw rod, in some fill the task that the volume is big and fill the precision height, the single screw rod is hardly accomplished simultaneously and is filled fast and accurate filling, in order to solve this problem, the twin-screw fills thereupon, nevertheless present twin-screw fills needs two stations, two screws are separately, fill fast and fill with accurate on different stations, the existence of duplex position makes to go up bag bagging machine structure than the simplex position and goes up bag bagging machine structure more complicated, a duplex position can realize that the twin-screw machine structure who fills fast and accurate fills is urgent need to appear.
Disclosure of Invention
Aiming at the problems, the invention provides a single-station internal and external double-screw mechanism which can effectively save space and has higher filling efficiency.
According to the technical scheme of the invention: the utility model provides an inside and outside twin-screw mechanism of simplex position, includes the casing, its characterized in that: the casing includes sleeve and integrated connection transition feed bin on the sleeve, and the sleeve internal rotation sets up outer screw rod, the screw rod downthehole normal running fit of outer screw rod sets up interior screw rod, and outer screw rod and interior screw rod are respectively by corresponding, mutually independent drive assembly drive operation, be provided with the feed inlet in the screw rod hole of intercommunication outer screw rod on the body of rod corresponding to transition feed bin unloading position on the outer screw rod.
As a further improvement of the invention, a grid is arranged at the feeding port of the outer screw rod.
As a further improvement of the invention, the transition bin is also rotatably provided with a stirring blade.
As a further improvement of the invention, one end of the inner screw rod, which extends out of the sleeve, is connected with an output shaft of the first motor through an inner screw rod coupler.
As a further improvement of the invention, a synchronizing wheel is arranged on the surface of one end of the outer screw rod, which extends out of the sleeve, and the synchronizing wheel is connected with a motor belt wheel arranged on the output shaft of the second motor through a synchronizing belt.
As a further improvement of the invention, the shaft of the stirring blade is connected with the output shaft of the third motor through a stirring rod coupling.
As a further improvement of the invention, the surfaces of the inner screw and the outer screw are respectively provided with helical blades which are helical in the same direction.
The invention has the technical effects that: the invention is used for filling the mechanical screw, can realize powder filling and has practical use value; the invention realizes the combination of screws with different sizes on the same station, and the design of a single station simplifies the mechanical structure, reduces the mechanical cost and saves the space; the double-screw structure of the invention obtains higher filling precision than the traditional single-station screw filling on the premise of ensuring the filling speed.
Drawings
FIG. 1 is a top view of an embodiment of the present invention.
FIG. 2 is a side cross-sectional view of an embodiment of the invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
In fig. 1 and 2, the device comprises an inner screw 1, an outer screw 2, a grid 3, a sleeve 4, a transition bin 5, a first motor 6, a second motor 7, a third motor 8, an inner screw coupler 9, a stirring blade 10, a motor belt wheel 11, a synchronous wheel 12, a synchronous belt 13, a stirring rod coupler 14 and the like.
As shown in fig. 1 and 2, the invention is a single-station internal and external double-screw mechanism, which comprises a casing, wherein the casing comprises a sleeve 4 and a transition bin 5 integrally connected with the sleeve 4, an external screw 2 is rotationally arranged in the sleeve 4, an internal screw 1 is rotationally arranged in a screw hole of the external screw 2, and the external screw 2 and the internal screw 1 are respectively driven to operate by corresponding and mutually independent driving components; in the concrete production, one end of the inner screw rod 1 extending out of the sleeve 4 is connected with an output shaft of the first motor 6 through an inner screw rod coupling 9.
A synchronizing wheel 12 is arranged on the surface of one end of the outer screw rod 2 extending out of the sleeve 4, and the synchronizing wheel 12 is connected with a motor belt wheel 11 arranged on the output shaft of the second motor 7 through a synchronizing belt 13
The feed inlet that is provided with the screw rod hole of outer screw rod 2 of intercommunication on the body of rod that corresponds to 5 unloading positions in transition feed bin on the outer screw rod 2, the feed inlet department of outer screw rod 2 sets up grid 3.
The transition bin 5 is also rotatably provided with a stirring blade 10, and in order to ensure that the stirring blade 10 can reliably run, the shaft of the stirring blade 10 is connected with the output shaft of the third motor 8 through a stirring rod coupling 14.
The surfaces of the inner screw rod 1 and the outer screw rod 2 are respectively provided with helical blades which are helical in the same direction.
As shown in fig. 1 and 2, during operation, powder is fed through a transition bin 5, part of the powder is filled rapidly with large capacity through an outer screw rod 2, part of the powder enters an inner screw rod 1 through a grid 3 to complete small-capacity precise filling, during a rapid filling stage, a second motor 7 drives the outer screw rod 2 to rotate, the inner screw rod 1 is static, during a precise filling stage, the outer screw rod 2 stops rotating, and a first motor 6 drives the inner screw rod 1 to start rotating. The stirring blade 10 that sets up on transition feed bin 5 can effectively prevent to appear bridging phenomenon among the feeding process.
Claims (7)
1. The utility model provides an inside and outside twin-screw mechanism of simplex position, includes the casing, its characterized in that: the casing includes transition feed bin (5) on sleeve (4) and integrated connection, and sleeve (4) internal rotation sets up outer screw rod (2), the screw rod downthehole internal rotation cooperation of outer screw rod (2) sets up interior screw rod (1), and outer screw rod (2) and interior screw rod (1) are driven the operation by corresponding, mutually independent drive assembly respectively, be provided with the feed inlet in the screw rod hole of intercommunication outer screw rod (2) on outer screw rod (2) corresponding to the body of rod at transition feed bin (5) unloading position.
2. A single-station internal and external twin screw mechanism as defined in claim 1, wherein: a grid (3) is arranged at the feed inlet of the outer screw rod (2).
3. A single-station internal and external twin screw mechanism as defined in claim 1, wherein: and the transition bin (5) is also rotatably provided with a stirring blade (10).
4. A single-station internal and external twin screw mechanism as defined in claim 1, wherein: one end of the inner screw rod (1) extending out of the sleeve (4) is connected with an output shaft of the first motor (6) through an inner screw rod coupler (9).
5. A single-station internal and external twin screw mechanism as defined in claim 1, wherein: the outer screw rod (2) stretches out sleeve (4) one end surface mounting synchronizing wheel (12), synchronizing wheel (12) are connected with motor band pulley (11) of installation on second motor (7) output shaft through hold-in range (13).
6. A single-station internal and external twin screw mechanism as defined in claim 1, wherein: the shaft of the stirring blade (10) is connected with the output shaft of the third motor (8) through a stirring rod coupling (14).
7. A single-station internal and external twin screw mechanism as defined in claim 1, wherein: the surfaces of the inner screw rod (1) and the outer screw rod (2) are respectively provided with helical blades which are helical in the same direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010176314.2A CN111204478A (en) | 2020-03-13 | 2020-03-13 | Single-station internal and external twin-screw mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010176314.2A CN111204478A (en) | 2020-03-13 | 2020-03-13 | Single-station internal and external twin-screw mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111204478A true CN111204478A (en) | 2020-05-29 |
Family
ID=70781391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010176314.2A Pending CN111204478A (en) | 2020-03-13 | 2020-03-13 | Single-station internal and external twin-screw mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111204478A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4132237A1 (en) * | 1991-09-27 | 1992-02-13 | Rolf Erich Hege | Anti clog scraper for screw conveyors for animal fodder - has loosening wheels provided at points susceptible to blockages |
| US5871081A (en) * | 1996-11-12 | 1999-02-16 | Easy Systems, Inc. | Concentric auger feeder |
| JP2005053595A (en) * | 2003-08-04 | 2005-03-03 | Taisei Corp | Parent-child screw conveyor |
| DE10336456A1 (en) * | 2003-08-06 | 2005-03-03 | Bott Gmbh | Conveying device for dosing flowable material, especially bulk material such as powder, granulate, dust, etc., from a discharge element to a receiving element |
| CN205034671U (en) * | 2015-10-09 | 2016-02-17 | 广东天源环境科技有限公司 | A screw feeding device with anti-clogging and anti-bridge |
| US20170030754A1 (en) * | 2015-07-28 | 2017-02-02 | Wamgroup S.P.A. | Dosing apparatus |
| CN208233973U (en) * | 2017-12-25 | 2018-12-14 | 广州惠埔机电有限公司 | A kind of twin-screw charging gear |
| CN209634768U (en) * | 2019-03-28 | 2019-11-15 | 邢台九明科技有限公司 | A kind of telescoping screw device for filling of automatic packaging machine |
| CN212473989U (en) * | 2020-03-13 | 2021-02-05 | 江南大学 | Single-station internal and external twin-screw mechanism |
-
2020
- 2020-03-13 CN CN202010176314.2A patent/CN111204478A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4132237A1 (en) * | 1991-09-27 | 1992-02-13 | Rolf Erich Hege | Anti clog scraper for screw conveyors for animal fodder - has loosening wheels provided at points susceptible to blockages |
| US5871081A (en) * | 1996-11-12 | 1999-02-16 | Easy Systems, Inc. | Concentric auger feeder |
| JP2005053595A (en) * | 2003-08-04 | 2005-03-03 | Taisei Corp | Parent-child screw conveyor |
| DE10336456A1 (en) * | 2003-08-06 | 2005-03-03 | Bott Gmbh | Conveying device for dosing flowable material, especially bulk material such as powder, granulate, dust, etc., from a discharge element to a receiving element |
| US20170030754A1 (en) * | 2015-07-28 | 2017-02-02 | Wamgroup S.P.A. | Dosing apparatus |
| CN205034671U (en) * | 2015-10-09 | 2016-02-17 | 广东天源环境科技有限公司 | A screw feeding device with anti-clogging and anti-bridge |
| CN208233973U (en) * | 2017-12-25 | 2018-12-14 | 广州惠埔机电有限公司 | A kind of twin-screw charging gear |
| CN209634768U (en) * | 2019-03-28 | 2019-11-15 | 邢台九明科技有限公司 | A kind of telescoping screw device for filling of automatic packaging machine |
| CN212473989U (en) * | 2020-03-13 | 2021-02-05 | 江南大学 | Single-station internal and external twin-screw mechanism |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200529 |