CN108861666B - Anti-blocking discharger with uniform discharge amount - Google Patents
Anti-blocking discharger with uniform discharge amount Download PDFInfo
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- CN108861666B CN108861666B CN201810571627.0A CN201810571627A CN108861666B CN 108861666 B CN108861666 B CN 108861666B CN 201810571627 A CN201810571627 A CN 201810571627A CN 108861666 B CN108861666 B CN 108861666B
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- discharging
- pusher dog
- disc
- discharging disc
- tray
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
- B65G65/48—Devices for emptying otherwise than from the top using other rotating means, e.g. rotating pressure sluices in pneumatic systems
- B65G65/4881—Devices for emptying otherwise than from the top using other rotating means, e.g. rotating pressure sluices in pneumatic systems rotating about a substantially horizontal axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G29/00—Rotary conveyors, e.g. rotating discs, arms, star-wheels or cones
- B65G29/02—Rotary conveyors, e.g. rotating discs, arms, star-wheels or cones for inclined or vertical transit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
Abstract
The invention provides an anti-blocking discharger with uniform discharge amount, which comprises a front discharging disc, a middle discharging disc, a rear discharging disc, a front shifting claw, a middle shifting claw, a rear shifting claw, a shell, a front end cover, a rear end cover, a material inlet and outlet, a discharging disc shaft and a shifting claw shaft. The front, middle and rear three discharging discs are identical in shape and size, grooves in each discharging disc are uniformly distributed in the circumferential direction of the discharging disc, the front, middle and rear three shifting claws are identical in shape and size, three pairs of discharging discs and shifting claws are arranged in a staggered and uniformly overlapped mode, and discharging time of each pair of discharging discs and shifting claws from a discharging port at the bottom of the shell is staggered, so that material output is uniform and continuous. The claw tips of the three pusher dogs can respectively carry out 'scraping' on the groove surfaces of the three discharging trays, the sharp corners of the three discharging trays can also respectively carry out 'scraping' on the surfaces of the three pusher dogs, the phenomena of material adhesion accumulation, backflow and blockage are avoided, and the operation is reliable. The invention is especially suitable for occasions with higher discharge uniformity requirement for the closed conveying of viscous or adsorptive materials in the industries of medicinal materials, tobacco, food and the like.
Description
Technical Field
The invention relates to a rotary discharger, in particular to an anti-blocking rotary discharger which is formed by stacking three pairs of discharging plates and poking claws in a staggered mode, wherein the poking claws and discharging plate grooves in each pair of discharging plates and poking claws can be mutually scraped, and the quantity of output materials is uniform, and belongs to the technical field of material conveying equipment.
Background
The core part of the rotary discharger is a discharging disc with a plurality of grooves, materials in an upper storage bin fall down by self weight and are filled in cavities of the grooves of the discharging disc, and the materials are discharged from a bottom discharge hole by the self weight along with the rotation of the discharging disc. The rotary discharger has simple structure and small volume, and is widely applied to closed conveying systems requiring small pressure difference between the material inlet and the material outlet.
However, the user finds that when the rotary discharger is used, when the viscosity or the adsorbability of conveyed materials is stronger, partial materials are always adhered to the surface of the groove of the discharging tray, so that the materials cannot fall down by the self weight of the materials at the discharge port at the bottom of the discharger, the materials adhered to the surface of the groove not only reduce the effective loading volume of the discharger, but also reduce the discharge amount, and the user even has to often stop the machine for cleaning, so that the blockage between the discharging tray and the shell is avoided, and the continuity of the material conveying process is seriously influenced. In addition, the existing rotary discharger only has one discharging disc, the discharging amount fluctuates along with the rotation of the discharging disc, and the discharging amount is uneven. The user of trades such as tobacco, medicinal material, grain urgent needs have one kind can carry out automatic "clear scraping", need not to shut down the clearance, can not block up the novel rotatory tripper that blocks up and can evenly export the material to the material of unloading dish recess surface adhesion.
Disclosure of Invention
Aiming at the problems of easy adhesion, blockage, uneven discharge amount, large cleaning and maintenance workload and the like when the existing rotary discharger conveys materials with strong viscosity or adsorbability, the invention provides the rotary discharger which has a novel structure that three pairs of discharging discs and poking claws are stacked in a staggered way, the tips of the poking claws in each pair of discharging discs and poking claws rotate at the discharging port at equal intervals relative to the grooves of the discharging discs, the surface of the grooves of the discharging discs is scraped, and meanwhile, the discharging discs can also scrape the surfaces of the poking claws, are not stuck and blocked and output the materials uniformly and continuously.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides an antiseized stifled tripper that load is even, by preceding unloading dish, well unloading dish, back unloading dish, preceding pusher dog, well pusher dog, back pusher dog, casing, front end housing, rear end housing, feed inlet, discharge gate, unloading dish axle, pusher dog axle, external bearing, syntropy transmission etc. constitute, its characterized in that, the theoretical profile of preceding unloading dish upper groove is the hypocycloid of short width, and the parametric equation of this hypocycloid is:
wherein: a is the center distance between the front discharging disc and the front pusher dog, R1The length of the front pusher dog, i is the transmission ratio between the front pusher dog and the front discharging plate or between the middle pusher dog and the middle discharging plate or between the rear pusher dog and the rear discharging plate: (
Wherein n is6、n8、n10The rotation speeds of the front, middle and rear discharge trays, n7、n9、n11Respectively the rotating speeds of the front, middle and rear pusher dogs),
is the corner of the front discharging tray.
In the scheme, the front discharging disc, the middle discharging disc and the rear discharging disc are the same in shape and size, and are arranged on the discharging disc shaft in a staggered, uniform and superposed manner. The front shifting claw, the middle shifting claw and the rear shifting claw are identical in shape and size, and the front shifting claw, the middle shifting claw and the rear shifting claw are arranged on the shifting claw shaft in a staggered, uniform and overlapped mode.
In the scheme, the front material unloading disc and the front pusher dog, the middle material unloading disc and the middle pusher dog, and the rear material unloading disc and the rear pusher dog are paired for use to form three pairs of material unloading discs and pusher dogs.
In the scheme, the surface contour of the front pusher dog is an equidistant curve of the motion trail of the sharp corner of the front discharging plate, the surface contour of the middle pusher dog is an equidistant curve of the motion trail of the sharp corner of the middle discharging plate, and the surface contour of the rear pusher dog is an equidistant curve of the motion trail of the sharp corner of the rear discharging plate.
In the above scheme, the number of the grooves on the front discharging disc, the middle discharging disc and the rear discharging disc is equal to the value of the transmission ratio i, and the grooves on the front discharging disc, the middle discharging disc and the rear discharging disc are respectively and uniformly distributed in the circumferential direction of the front discharging disc, the middle discharging disc and the rear discharging disc.
In the above scheme, the casing has a hollow cavity structure of a rotary body shape, the front discharging disc, the middle discharging disc and the rear discharging disc are located in the hollow cavity of the casing, the top of the casing is provided with a feeding hole, and the bottom of the casing is provided with a discharging hole.
In the scheme, the discharging disc shaft and the pusher dog shaft are respectively supported on the front end cover and the rear end cover on two sides of the shell through external bearings.
In the scheme, the front material unloading disc, the middle material unloading disc, the rear material unloading disc, the front shifting claw, the middle shifting claw and the rear shifting claw have the same rotation direction.
The invention has the beneficial effects that: at the discharge port of the discharger shell, the claw tips of the front pusher dog can mutually scrape the groove of the front discharging tray, the claw tips of the middle pusher dog can center the groove of the middle discharging tray, the claw tips of the rear pusher dog can center the groove of the rear discharging tray, the sharp corners of the front discharging tray can center the surface of the front pusher dog, the sharp corners of the middle discharging tray can center the surface of the pusher dog, and the sharp corners of the rear discharging tray can center the surface of the rear pusher dog. The claw tips of the front, middle and rear pusher dogs respectively scrape the grooves on the front, middle and rear discharging trays one time after the discharging tray shaft rotates for a circle, so that complete discharging of adsorptive materials is realized, and ideal mutual scraping effects can be achieved as long as the distances between the claw tips of the front, middle and rear pusher dogs and the grooves of the front, middle and rear discharging trays are reasonably set, so that the phenomena of material accumulation and material backflow are avoided; the claw tips of the front, middle and rear pusher dogs are not contacted with the groove surfaces on the front, middle and rear discharging discs, so that the abrasion is avoided, and the service life of parts is long. Three pairs of 'discharging plates-pusher dogs' are staggered, uniformly distributed, overlapped and installed, so that the discharging process is uniform and continuous. The invention is especially suitable for being used as a mutual scraping type anti-blocking discharger of viscous or adsorptive materials, and can be an upgrading and updating product of a closed discharger which has strong adsorptive materials and requires uniform discharge amount in the industries of medicinal materials, tobacco, food, petrifaction, building materials and the like.
Drawings
FIG. 1 is a schematic view of the apparatus of the present invention;
FIG. 2 is a schematic structural view of front, middle and rear discharge trays and their corresponding fingers of the present invention;
FIG. 3 is a schematic view of the groove profile of the front tripper disc of the present invention;
FIG. 4 is a schematic view showing the state of the front, middle and rear discharging trays and the rotation process of the front, middle and rear shifting claws of the invention.
In the figure: 1. the automatic material discharging device comprises a feeding hole, 2 parts of a rear end cover, 3 parts of a shell, 4 parts of a front end cover, 5 parts of a discharging hole, 6 parts of a front material discharging disc, 7 parts of a front shifting claw, 8 parts of a middle material discharging disc, 9 parts of a middle shifting claw, 10 parts of a rear material discharging disc, 11 parts of a rear shifting claw, 12 parts of a material discharging disc shaft and 13 parts of a shifting claw shaft.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 3, in the embodiment of the anti-blocking discharger with uniform discharge amount of the invention, the discharger is formed by assembling parts such as a front discharging disc 6, a middle discharging disc 8, a rear discharging disc 10, a front pusher dog 7, a middle pusher dog 9, a rear pusher dog 11, a shell 3, a rear end cover 2, a front end cover 4, a feeding hole 1, a discharging hole 5, a discharging disc shaft 12, a pusher dog shaft 13 and the like.
The three discharging trays, namely the front discharging tray 6, the middle discharging tray 8 and the rear discharging tray 10, have the same shape and size, and the front discharging tray 6, the middle discharging tray 8 and the rear discharging tray 10 are uniformly arranged on the discharging tray shaft 12 in a staggered and overlapped manner; the three shifting claws, namely the front shifting claw 7, the middle shifting claw 9 and the rear shifting claw 11, have the same shape and size, and the front shifting claw 7, the middle shifting claw 9 and the rear shifting claw 11 are also uniformly arranged and overlapped on a shifting claw shaft 13 in a staggered manner.
The front material discharging disc 6 and the front pusher dog 7, the middle material discharging disc 8 and the middle pusher dog 9, and the rear material discharging disc 10 and the rear pusher dog 11 are used in pairs.
The theoretical profile of the groove on the front discharging disc 6 is a short-amplitude hypocycloid, and the parameter equation of the hypocycloid is as follows:
wherein: a is the center distance between the front discharging tray 6 and the front pusher dog 7, R1The length of the front pusher dog 7, i is the transmission ratio between the front pusher dog 7 and the front discharging tray 6 or between the middle pusher dog 9 and the middle discharging tray 8 or between the rear pusher dog 11 and the rear discharging tray 10 (i)
Wherein n is6、n8、n10The rotation speeds of the front, middle and rear discharge trays, n7、n9、n11Respectively the rotating speeds of the front, middle and rear pusher dogs),
is the corner of the front discharging tray 6.
The surface contour of the front pusher dog 7 is an equidistant curve of a sharp-angled motion track of the front discharging plate 6, the surface contour of the middle pusher dog 9 is an equidistant curve of a sharp-angled motion track of the middle discharging plate 8, and the surface contour of the rear pusher dog 11 is an equidistant curve of a sharp-angled motion track of the rear discharging plate 10.
The number of the grooves on the front discharging disc 6, the middle discharging disc 8 and the rear discharging disc 10 is equal to the value of the transmission ratio i, and the grooves on the front discharging disc 6, the middle discharging disc 8 and the rear discharging disc 10 are respectively and uniformly distributed in the circumferential direction of the front discharging disc 6, the middle discharging disc 8 and the rear discharging disc 10.
The shell 3 is provided with a rotary hollow cavity structure, and the front discharging disc 6, the middle discharging disc 8 and the rear discharging disc 10 are positioned in the hollow cavity of the shell 3. The top of casing 3 is equipped with feed inlet 1, and the bottom is equipped with discharge gate 5, and front end housing 4 and rear end cap 2 are located the both sides of casing 3.
The discharging disc shaft 12 and the pusher dog shaft 13 are respectively supported on the front end cover 4 and the rear end cover 2 at two sides of the shell 3 through external bearings. The front discharging disc 6, the middle discharging disc 8, the rear discharging disc 10, the front shifting claw 7, the middle shifting claw 9 and the rear shifting claw 11 have the same rotating direction.
The working process of the invention is as follows: the discharging disc shaft 12 and the pusher dog shaft 13 are driven by an external same-direction transmission device (such as a belt transmission device and a chain transmission device) to drive the front discharging disc 6, the middle discharging disc 8, the rear discharging disc 10, the front pusher dog 7, the middle pusher dog 9 and the rear pusher dog 11 in the inner cavity of the shell 3 to rotate in the same direction, as shown in fig. 3 and 4. The material falls into the grooves of the front discharging disc 6, the middle discharging disc 8 and the rear discharging disc 10 from the feeding hole 1 at the upper part of the shell 3, and along with the rotation of the discharging disc shaft 12, the material is discharged by the dead weight when reaching the discharging hole 5 at the lower part of the shell 3. Meanwhile, the claw tips of the front pusher dogs 7 are used for scraping materials adhered to the groove of the front discharging disc 6, the claw tips of the middle pusher dogs 9 are used for scraping materials adhered to the groove of the middle discharging disc 8, and the claw tips of the rear pusher dogs 11 are used for scraping materials adhered to the groove of the rear discharging disc 10. When the discharging disc shaft 12 rotates for one circle, at the discharging port 5, the claw tips of the front pusher dogs 7 sequentially scrape each groove on the front discharging disc 6 once, the claw tips of the middle pusher dogs 9 sequentially scrape each groove on the middle discharging disc 8 once, and the claw tips of the rear pusher dogs 11 also sequentially scrape each groove on the rear discharging disc 10 once, so that materials adhered to the grooves on the front discharging disc 6, the middle discharging disc 8 and the rear discharging disc 10 are forced to completely fall off. In the rotation process of the discharging disc shaft 12 and the pusher dog shaft 13, the sharp angle of the front discharging disc 6 can scrape the materials adsorbed on the surface of the front pusher dog 7 along the belt, the sharp angle of the middle discharging disc 8 can scrape the materials adsorbed on the surface of the middle pusher dog 9 along the belt, and the sharp angle of the rear discharging disc 10 can scrape the materials adsorbed on the surface of the rear pusher dog 11 along the belt. Because the front discharging tray 6, the front pusher dog 7, the middle discharging tray 8, the middle pusher dog 9, the rear discharging tray 10 and the rear pusher dog 11 form three pairs of discharging trays-pusher dogs which are staggered, evenly distributed and overlapped, the discharging time of each pair of discharging trays-pusher dogs from the bottom discharging port 5 of the shell 3 is staggered, and the material output is uniform and continuous.
The invention is suitable for the occasion of conveying granular or powdery materials, is particularly suitable for being used as a closed discharger of materials with larger viscosity or stronger adsorbability under the working condition with higher requirements on air tightness and flow uniformity, the specific structure and the size of the discharger can be customized according to the requirements of users or the working requirements of a system, and the discharger can become a renewal product of a rotary discharger in the industries of tobacco, grain, chemical industry, medicine, food, building and the like.
The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solution of the present invention by those skilled in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. The utility model provides an antiseized stifled tripper that load is even, mainly by preceding unloading dish (6), well unloading dish (8), back unloading dish (10), preceding pusher dog (7), well pusher dog (9), back pusher dog (11), casing (3), feed inlet (1), discharge gate (5), front end housing (4), rear end housing (2), unloading dish axle (12), pusher dog axle (13) are constituteed, its characterized in that, the theoretical profile of preceding unloading dish (6) circumferencial direction upper groove is the hypocycloid of short width, the parametric equation of this hypocycloid is:
wherein a is the center distance between the front discharging disc (6) and the front pusher dog (7), R1Is the length of the front shifting claw (7), i is the transmission ratio between the front shifting claw (7) and the front discharging disc (6),
is the corner of the front discharging tray (6);
the surface profile of the front pusher dog (7) is an equidistant curve of the motion track of the sharp corner of the front discharging disc (6);
the middle discharging disc (8), the rear discharging disc (10) and the front discharging disc (6) have the same shape and size, and the front discharging disc (6), the middle discharging disc (8) and the rear discharging disc (10) are uniformly arranged on the discharging disc shaft (12) in a staggered and overlapped mode.
2. The anti-blocking discharger with uniform discharge capacity according to claim 1, wherein the surface profile of the middle pusher dog (9) is an equidistant curve of the movement track of the sharp corner of the middle discharge tray (8), and the surface profile of the rear pusher dog (11) is an equidistant curve of the movement track of the sharp corner of the rear discharge tray (10).
3. Anti-sticking discharger according to claim 1, wherein said middle finger (9), rear finger (11) and front finger (7) have the same shape and size.
4. The anti-blocking discharger with uniform discharge capacity according to claim 1, wherein the housing (3) has a hollow cavity structure of a rotary body shape, and the front discharging tray (6), the middle discharging tray (8) and the rear discharging tray (10) are located in the hollow cavity of the housing (3).
5. The anti-blocking discharger with uniform discharge amount according to claim 1, wherein the front pusher dog (7), the middle pusher dog (9) and the rear pusher dog (11) are uniformly arranged on the pusher dog shaft (13) in a staggered and overlapped manner.
6. The anti-blocking discharger with uniform discharge capacity according to claim 1, wherein the front discharging tray (6) is used in pair with the front pusher dog (7), the middle discharging tray (8) is used in pair with the middle pusher dog (9), and the rear discharging tray (10) is used in pair with the rear pusher dog (11).
7. The anti-blocking discharger with uniform discharge amount according to claim 1, wherein the front discharging tray (6), the middle discharging tray (8), the rear discharging tray (10), the front pusher dog (7), the middle pusher dog (9) and the rear pusher dog (11) have the same rotation direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810571627.0A CN108861666B (en) | 2018-06-06 | 2018-06-06 | Anti-blocking discharger with uniform discharge amount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810571627.0A CN108861666B (en) | 2018-06-06 | 2018-06-06 | Anti-blocking discharger with uniform discharge amount |
Publications (2)
| Publication Number | Publication Date |
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| CN108861666A CN108861666A (en) | 2018-11-23 |
| CN108861666B true CN108861666B (en) | 2020-11-10 |
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Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51146054A (en) * | 1975-06-10 | 1976-12-15 | Makino Sangyo Kk | Rotary valve |
| JPS5461758A (en) * | 1977-10-24 | 1979-05-18 | Nippon Steel Corp | Rotary feeder |
| DE3724121A1 (en) * | 1987-07-21 | 1989-02-02 | Mafoe Maschinen Und Foerdertec | Cellular wheel sluice |
| JPH06104508B2 (en) * | 1988-07-08 | 1994-12-21 | 株式会社幸和工業 | Rotary feeder |
| US5037014A (en) * | 1990-04-30 | 1991-08-06 | Bliss William L | Rotary feeder |
| CN101289138A (en) * | 2008-05-29 | 2008-10-22 | 钱尧翎 | Novel plate-type impeller feeder |
| CN202272452U (en) * | 2011-10-27 | 2012-06-13 | 台湾控制阀股份有限公司 | Feeder |
| CN202296205U (en) * | 2011-10-31 | 2012-07-04 | 北新集团建材股份有限公司 | Material conveying structure and discharge valve |
| CN102602673A (en) * | 2012-01-12 | 2012-07-25 | 四川方大新型建材科技开发有限责任公司 | Air-locking feeder of moisture-containing raw material |
| CN202642720U (en) * | 2012-04-10 | 2013-01-02 | 厦门帮众科技有限公司 | Metering structure of automatic feeding device |
| CN103407745B (en) * | 2013-09-02 | 2015-12-23 | 四川方大新型建材科技开发有限责任公司 | Containing wet feed material lock wind feeder |
| CN204823016U (en) * | 2015-06-03 | 2015-12-02 | 常州市国振机械有限公司 | Scrape trigger |
| CN205151248U (en) * | 2015-10-14 | 2016-04-13 | 常州大学 | Utilize rotary feeder that air curtain is sealed |
| CN206872063U (en) * | 2017-06-28 | 2018-01-12 | 无锡爱信机械科技有限公司 | A kind of star-like blanking device |
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2018
- 2018-06-06 CN CN201810571627.0A patent/CN108861666B/en active Active
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