CN204100727U - A kind of rake agitating device and rake type drier - Google Patents
A kind of rake agitating device and rake type drier Download PDFInfo
- Publication number
- CN204100727U CN204100727U CN201420552477.6U CN201420552477U CN204100727U CN 204100727 U CN204100727 U CN 204100727U CN 201420552477 U CN201420552477 U CN 201420552477U CN 204100727 U CN204100727 U CN 204100727U
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- Prior art keywords
- rake
- shaft
- bin body
- teeth
- head
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- 238000003756 stirring Methods 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model relates to a kind of rake agitating device and rake type drier, and wherein rake agitating device comprises: rake axle, rake arms, rake teeth, axle head rake teeth; Wherein, rake teeth is fixedly connected on rake axle by rake arms, and the flank of tooth of rake teeth becomes angle formula structure with the axial line of rake axle, and axle head rake teeth has two at least, be arranged on the two ends of described rake axle respectively, axle head rake teeth becomes involute shape or arcuate structure by the direction of rotation of rake axle.Additionally provide a kind of rake type drier, comprise described rake agitating device, warehouse, end socket; Described warehouse is the drum-shaped of both ends open, and described end socket has two, is arranged on the two ends of described warehouse respectively; Rake agitating device is arranged in warehouse, end socket.Rake type drier of the present utility model is coordinated by axle head rake teeth and end socket, rake teeth stressed reduction when agitating device is overturn, and frictional force when decreasing stirring between material and material, thus adds the ability of material handling.
Description
Technical Field
The utility model relates to a harrow formula desiccator, in particular to target formula agitating unit and harrow formula desiccator.
Background
The vacuum rake dryer is a conductive heat transfer dryer. In the drier, the material is not directly contacted with the heating medium, and is suitable for drying a small amount of mud-like or paste-like material which is not high temperature resistant and is easy to oxidize. Fig. 1 is a schematic structural diagram of a vacuum rake dryer with two fixed end covers, which is earlier used in the chemical field, in which the end covers at two ends of the vacuum rake dryer are connected to a bin body (as shown in a position a in fig. 1), although the bin body is connected with a seal head, the arc transition at the connection position does not conform to an ellipse or a semicircle or an enough arc, so that the material can encounter great resistance when moving axially to the position.
Fig. 2 is a schematic view of a fully-opened type large-end-cover rake dryer applied to the pharmaceutical chemical food field in recent years, and as shown in the figure, an end cover 2-1 in the dryer is a flat-plate end cover, so that a joint 2-2 between the end cover and a bin body can only be in right-angle connection. This right angle connection has certain drawbacks, including: when the rake dryer works, materials are turned over in the rake dryer in the circumferential direction and pushed in the axial direction, if the materials are pushed to the right-angle joint, the materials can be blocked by the right-angle end face plate, and the materials cannot be pushed to the right-angle joint, so that great resistance is formed. In addition, the end cover is flat, so that when the material is turned, 30-40% of axial force generated by an included angle formed by the rake tooth surface and the shaft cannot be exerted at the shaft end, and the material can be turned to the upper space from the shaft end only by circumferential force if the material needs to be turned.
The rake dryer is only about 60% full of the material and cannot be filled to allow enough room for the material to tumble.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the material that the harrow formula desiccator among the prior art can't make the axle head and do the axial and turn, the defect that the material loading proportion is not high to a harrow formula agitating unit and harrow formula desiccator of axle head area recurvation stirring leaf is provided.
In order to achieve the above object, the utility model provides a rake type stirring device, include: a rake shaft 1, a rake arm 2, rake teeth 3 and shaft end rake teeth 4; wherein,
the rake teeth 3 are fixedly connected to the rake shaft 1 through the rake arm 2, the tooth surfaces 5 of the rake teeth 3 and the axial lead of the rake shaft 1 form an included angle type structure, at least two shaft end rake teeth 4 are respectively arranged at two ends of the rake shaft 1, and the shaft end rake teeth 4 form an involute or arc structure according to the rotation direction of the rake shaft 1.
In the technical scheme, the tooth surface 5 of the rake teeth 3 and the axis of the rake shaft 1 form an included angle of 30-40 degrees.
In the technical scheme, the rake arms 2 are axially distributed on the rake shaft 1 at a certain angle at four quadrants or spiral lines.
In the above technical solution, the rake shaft 1 and the rake arm 2 are hollow pipes.
The utility model also provides a harrow formula desiccator, include: the rake type stirring device, the bin body 6 and the end enclosure 7; wherein,
the bin body 6 is in a cylindrical shape with openings at two ends, and two end sockets 7 are arranged at two ends of the bin body 6 respectively; the rake type stirring device is arranged in the bin body 6 and the seal head 7.
In the technical scheme, the outer surface of the bin body 6 comprises a heating jacket 6-1, the upper part of the bin body 6 is respectively provided with a feeding hole 6-2 and an exhaust hole 6-3, and the lower part of the bin body 6 is provided with a discharging hole 6-4.
In the above technical scheme, the two seal heads 7 are respectively: a double-end-enclosure bin body fixed supporting end cover 7-1 and an end-enclosure-shaped bin gate 7-2 which are fixedly welded with the bin body 6 into a whole; the seal head-shaped bin gate 7-2 is hermetically connected with a bin body flange 7-3 and a seal head-shaped bin gate flange 7-4 through a gate locking mechanism.
In the technical scheme, the seal head 7 is an elliptical seal head, or a hemispherical seal head, or a flat seal head with an arc, and the shape of the inner surface 8 of the seal head 7 is consistent with the shape of the outer edge 9 of the shaft end rake teeth 4.
Among the above-mentioned technical scheme, harrow formula agitating unit installs and includes in storehouse body 6, head 7: one end of a rake shaft 1 in the rake type stirring device is connected to an end socket 7 fixedly connected with a bin body 6 through a bearing, the end socket 7 penetrates through the end socket, and the tail end of the rake shaft is provided with an auxiliary bearing seat support; the other end of the harrow shaft 1 is suspended in the bin body 6.
The utility model has the advantages that:
the utility model discloses a rake dryer passes through the cooperation of axle head rake teeth and head for the rake teeth atress reduces when agitating unit overturns, and frictional force between material and the material when having reduced the stirring, thereby has increased the ability of handling the material.
Drawings
FIG. 1 is a schematic diagram of a prior art double-sided fixed end-cap vacuum rake dryer used in the chemical industry;
FIG. 2 is a schematic view of a fully open, large end cap rake dryer used in the pharmaceutical and food industry in recent years;
fig. 3 is a schematic structural diagram of the rake stirring device of the present invention;
fig. 4 is an external view of the rake dryer of the present invention;
fig. 5 is a perspective cross-sectional view of the rake dryer of the present invention;
fig. 6 is a front sectional view of the rake dryer of the present invention.
Description of the drawings
1 harrow shaft 2 harrow arms
3 rake teeth and 4 shaft end rake teeth
5 tooth surface 6 bin body
7 inner surface of seal head 8 seal head
Heating jacket 6-1 of outer edge of 9 shaft end rake teeth 4
6-2 feed inlet 6-3 exhaust port
6-4 discharge hole 7-1 fixed support end cover
7-2 end enclosure type bin gate 7-3 bin body flange
7-4 end enclosure-shaped bin gate flange 7-5 round corner
Top end 2-1 end cap of 7-6 end socket
2-2 junction of end cover and storehouse body A junction of end cover and storehouse body
The rotating direction of the rake shaft B1 is the material pushing direction C
Detailed Description
The invention will now be further described with reference to the accompanying drawings.
Referring to fig. 3, the rake type stirring apparatus of the present invention comprises: a rake shaft 1, a rake arm 2, rake teeth 3 and shaft end rake teeth 4; wherein, the rake teeth 3 are fixedly connected on the rake shaft 1 through the rake arm 2, the tooth surface 5 of the rake teeth 3 and the axial lead of the rake shaft 1 form an included angle structure, at least two shaft end rake teeth 4 are respectively arranged at two ends of the rake shaft 1, and the shaft end rake teeth 4 form an involute or arc structure according to the rotation direction of the rake shaft 1.
In the present embodiment, as a preferable implementation manner, the tooth surface 5 of the rake tooth 3 forms an angle of 30 to 40 ° with the axis of the rake shaft 1.
In the present embodiment, as a preferred implementation manner, the rake arms 2 are axially distributed on the rake shaft 1 in a four-quadrant or spiral line at certain intervals.
The harrow shaft 1 and the harrow arm 2 are hollow pipes, and heat media can be conducted in the pipes.
The rake dryer of the utility model comprises a rake stirring device as shown in fig. 3, and also comprises a bin body 6 and a seal head 7 as shown in fig. 4 and 5; the bin body 6 is in a cylindrical shape with openings at two ends, and two end sockets 7 are arranged at two ends of the bin body 6 respectively; the rake type stirring device is arranged in the bin body 6 and the seal head 7.
Referring to fig. 4, the outer surface of the bin body 6 comprises a heating jacket 6-1, the upper part of the bin body 6 is provided with a feed inlet 6-2 and an exhaust outlet 6-3, respectively, and the lower part of the bin body 6 is provided with a discharge outlet 6-4.
As shown in fig. 5, the two sealing heads 7 are respectively: a double-end-enclosure bin body fixed supporting end cover 7-1 and an end-enclosure-shaped bin gate 7-2 which are fixedly welded with the bin body 6 into a whole; the seal head-shaped bin gate 7-2 is hermetically connected with a bin body flange (comprising a gate locking mechanism) 7-3 and a seal head-shaped bin gate flange (comprising a gate locking mechanism) 7-4 through a gate locking mechanism. The door locking mechanism can be a bolt, an expansion ring hinge mechanism or an inclined locking ring mechanism and the like. The two end sockets 7 are spherical or flat-topped (in the embodiment shown in fig. 5, flat-topped), the shape of the fillet 7-5 at the junction of the two end sockets 7 and the bin body should be such that the end sockets can be smoothly transited, and the top ends 7-6 of the end sockets 7 may be elliptical end sockets, or hemispherical end sockets, or flat end sockets with enough circular arcs. Furthermore, as shown in fig. 6, the shape of the inner surface 8 of the head 7 should conform to the shape of the outer edge 9 of the shaft end rake teeth 4.
When the rake type stirring device is used as one part of the rake type dryer, the following assembly modes are adopted: one end of a rake shaft 1 in the rake type stirring device is connected to an end socket 7 (namely a double-end socket cabin body fixed supporting end cover 7-1) fixedly connected with a cabin body 6 through a bearing, the end socket 7 penetrates through, and the tail end of the rake shaft is provided with an auxiliary bearing seat support; the other end of the harrow shaft 1 is suspended in the storehouse body 6. Thus, the seal 7 (namely the double-seal cabin body fixed supporting end cover 7-1) at one side is fixedly connected with the cabin body 6, and the seal 7 (namely the seal-shaped cabin door 7-2) at the other side can be arranged into a cabin door which can be opened or closed with the cabin body 6.
As shown in fig. 5, when the rake dryer of the present invention pushes the material, the rake shaft 1 rotates, the outer arc surface 9 of the shaft end rake teeth 4 is backward bent into an involute shape or an arc shape according to the same rotation direction as the rake shaft 1 (B in fig. 5 represents the rotation direction of the rake shaft 1), and the backward bending range is greater than or equal to one quadrant; because the outer edge 9 of the shaft end rake teeth 4 is consistent with the inner surface 8 of the end socket in shape and is in contact with the inner surface, the material pushed to one end of the end socket 7 by the rake teeth 3 can be turned upwards and outwards (the material pushing direction is shown as C in figure 5), so that the material pushing resistance is reduced. Generally, the rake teeth 3 stir and turn the material in the circumferential direction with 60-70% of force and push the material along the axis with 30-40% of force. In addition, the lengths of the inner surfaces of the bin bodies 6 effectively stripped and scraped by the outer cambered surfaces of all the rake teeth 3 are connected, so that the requirements of stripping and scraping all the inner cylindrical surfaces of the bin bodies can be met.
The utility model discloses a rake dryer passes through axle head rake teeth 4 and head 7's cooperation for the rake teeth atress reduces when agitating unit overturns, and frictional force between material and the material when having reduced the stirring, thereby has increased the ability of handling the material. According to the measurement and calculation, the proportion of the materials filled in the rake dryer of the utility model is about 70 percent, which can be improved by about 10 percent compared with the prior art.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art will understand that modifications and equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of them shall fall within the scope of the claims of the present invention.
Claims (9)
1. A rake mixing apparatus, comprising: a harrow shaft (1), a harrow arm (2), harrow teeth (3) and shaft end harrow teeth (4); wherein,
the rake teeth (3) are fixedly connected to the rake shaft (1) through the rake arm (2), the tooth surfaces (5) of the rake teeth (3) and the axial lead of the rake shaft (1) form an included angle type structure, at least two shaft end rake teeth (4) are respectively installed at two ends of the rake shaft (1), and the shaft end rake teeth (4) form an involute or arc structure according to the rotation direction of the rake shaft (1).
2. Rake stirring device according to claim 1, wherein the tooth flanks (5) of the rake teeth (3) form an angle of 30-40 ° with the axis of the rake shaft (1).
3. Rabble blade stirring device according to claim 1, wherein the rabble arms (2) are axially distributed on the rabble shaft (1) in four quadrants or spirals at certain angles.
4. Rabble mixing apparatus according to claim 1, wherein the rabble shaft (1) and the rabble arm (2) are hollow tubes.
5. A rake dryer, comprising: rake stirring device according to one of claims 1 to 4, a bin body (6), a head (7); wherein,
the bin body (6) is in a barrel shape with openings at two ends, and two seal heads (7) are arranged at two ends of the bin body (6) respectively; the rake type stirring device is arranged in the bin body (6) and the seal head (7).
6. The rake dryer according to claim 5, characterized in that the outer surface of the bin body (6) comprises a heating jacket (6-1), the upper part of the bin body (6) is provided with a feed inlet (6-2) and an exhaust outlet (6-3), and the lower part of the bin body (6) is provided with a discharge outlet (6-4).
7. Rake dryer according to claim 5, characterized in that the two heads (7) are respectively: a double-end-enclosure bin body fixed supporting end cover (7-1) and an end-enclosure-shaped bin gate (7-2) which are fixedly welded with the bin body (6) into a whole; the seal head-shaped bin gate (7-2) is hermetically connected with a bin body flange (7-3) and a seal head-shaped bin gate flange (7-4) through a gate locking mechanism.
8. Rake dryer according to claim 5, characterized in that the head (7) is an elliptical head, or a hemispherical head, or a flat head with a circular arc, the shape of the inner surface (8) of the head (7) corresponding to the shape of the outer edge (9) of the shaft end rake teeth (4).
9. Rake dryer according to claim 5, characterized in that the rake stirring device mounted inside the bin (6), head (7) comprises: one end of a rake shaft (1) in the rake type stirring device is connected to an end socket (7) fixedly connected with a bin body (6) through a bearing, the end socket (7) penetrates through the end socket, and the tail end of the end socket is provided with an auxiliary bearing seat support;
the other end of the harrow shaft (1) is suspended in the bin body (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420552477.6U CN204100727U (en) | 2014-09-24 | 2014-09-24 | A kind of rake agitating device and rake type drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420552477.6U CN204100727U (en) | 2014-09-24 | 2014-09-24 | A kind of rake agitating device and rake type drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204100727U true CN204100727U (en) | 2015-01-14 |
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ID=52269147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420552477.6U Expired - Fee Related CN204100727U (en) | 2014-09-24 | 2014-09-24 | A kind of rake agitating device and rake type drier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204100727U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352297A (en) * | 2015-12-04 | 2016-02-24 | 江苏碧诺环保科技有限公司 | Vacuum drying system |
| CN105387712A (en) * | 2015-12-30 | 2016-03-09 | 汪振朴 | Drying device |
| CN107421289A (en) * | 2017-07-06 | 2017-12-01 | 无锡科技职业学院 | A kind of stirred type vacuum drier |
| CN108645203A (en) * | 2018-06-05 | 2018-10-12 | 广州晟启能源设备有限公司 | Homogenizing device |
| CN109357503A (en) * | 2018-11-29 | 2019-02-19 | 秦皇岛开发区春光铸造机械有限公司 | A kind of rake is double to stir roller heater |
| CN115218647A (en) * | 2022-08-01 | 2022-10-21 | 浙江诚信医化设备有限公司 | Stirring structure of rake dryer |
-
2014
- 2014-09-24 CN CN201420552477.6U patent/CN204100727U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352297A (en) * | 2015-12-04 | 2016-02-24 | 江苏碧诺环保科技有限公司 | Vacuum drying system |
| CN105352297B (en) * | 2015-12-04 | 2017-12-29 | 江苏碧诺环保科技有限公司 | A kind of vacuum drying system |
| CN105387712A (en) * | 2015-12-30 | 2016-03-09 | 汪振朴 | Drying device |
| CN105387712B (en) * | 2015-12-30 | 2019-01-29 | 汪振朴 | A kind of drying device |
| CN107421289A (en) * | 2017-07-06 | 2017-12-01 | 无锡科技职业学院 | A kind of stirred type vacuum drier |
| CN108645203A (en) * | 2018-06-05 | 2018-10-12 | 广州晟启能源设备有限公司 | Homogenizing device |
| CN109357503A (en) * | 2018-11-29 | 2019-02-19 | 秦皇岛开发区春光铸造机械有限公司 | A kind of rake is double to stir roller heater |
| CN115218647A (en) * | 2022-08-01 | 2022-10-21 | 浙江诚信医化设备有限公司 | Stirring structure of rake dryer |
| CN115218647B (en) * | 2022-08-01 | 2024-01-30 | 浙江诚信医化设备有限公司 | Stirring structure of rake dryer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: LIAONING TAOXIAN PHARMCEUTICAL MACHINERY CO., LTD. Free format text: FORMER NAME: YINGKOU TAOXIAN PHARMACEUTICAL EQUIPMENT CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 115001 Lunan high tech Development Zone, old border area, Yingkou, Liaoning Patentee after: LIAONING TAOXIAN PHARMACEUTICAL MACHINERY CO., LTD. Address before: 115001 Liaoning province Yingkou city Yingkou Road South Laobian District Science and Technology Development Zone Patentee before: YINGKOU TAOXIAN PHARMACEUTICAL EQUIPMENT CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150114 Termination date: 20170924 |