CN212215375U - Novel coaxial double-stirring transmission structure - Google Patents
Novel coaxial double-stirring transmission structure Download PDFInfo
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- CN212215375U CN212215375U CN202020444798.XU CN202020444798U CN212215375U CN 212215375 U CN212215375 U CN 212215375U CN 202020444798 U CN202020444798 U CN 202020444798U CN 212215375 U CN212215375 U CN 212215375U
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- stirring
- driving motor
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- outer stirring
- stirring driving
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Abstract
The utility model discloses a novel coaxial double-stirring transmission structure, which comprises a stirrer body, an outer stirring system and an inner stirring system, wherein the outer stirring system comprises an outer stirring driving motor, the output shaft of the outer stirring driving motor is fixedly connected with an outer stirring shaft which is of a hollow structure, the bottom end of the outer stirring shaft extends into the stirrer body and is detachably connected with an outer paddle, a fulcrum bearing is arranged on the outer stirring shaft, the inner stirring system comprises an inner stirring driving motor, the output shaft of the inner stirring driving motor is fixedly connected with an inner stirring shaft, the bottom end of the inner stirring shaft passes through the hollow structure of the outer stirring shaft, the inner stirring shaft is detachably connected with the inner paddle, the pollution risk caused by chain lubrication is avoided, the trouble of frequently replacing a chain wheel and a chain is avoided, the structure of a frame is simplified, and the fulcrums, the bearings and supporting bearing seats are reduced, thereby reducing the weight and the number of parts of the whole stirring device.
Description
Technical Field
The utility model relates to a stirrer technical field especially relates to a novel coaxial two stirring transmission structure.
Background
The stirrer is a device which stirs materials to ensure that the materials are fully and uniformly mixed, is widely used in the industries of food, medicine, chemical industry, coating and the like, and is beneficial to fully mixing the high-viscosity materials by adopting the stirrer with a double-stirring transmission structure.
The top of the stirrer of the double stirring transmission structure (as shown in fig. 1-2) in the prior art is fixedly provided with a frame, an A plane of the frame is fixedly provided with an external stirring driving motor, an output shaft of the external stirring driving motor is provided with a driving sprocket, an external stirring shaft is positioned by an upper supporting point bearing and a lower supporting point bearing which are arranged on the frame and is provided with a driven sprocket, the external stirring driving motor passes through the driving sprocket and the driven sprocket, the chain and the outer stirring shaft drive the outer paddle to rotate, the outer stirring shaft is of a hollow structure, an inner stirring driving motor is fixedly mounted on the plane B of the rack and connected with the inner stirring shaft, the inner stirring shaft penetrates through the outer stirring shaft and extends to the inner stirring shaft of the stirrer to drive the inner paddle to rotate, the inner stirring shaft is of a solid structure, and the models of the outer stirring driving motor and the inner stirring driving motor are respectively an RF107 speed reduction motor and a KAF87 speed reduction motor.
The outer stirring system consists of an outer stirring driving motor, a driving chain wheel, a driven chain wheel, a chain, an outer stirring shaft and an outer paddle, the tooth surface of the chain wheel and the chain plate of the chain are easily abraded due to the self weight of the chain (about 1.8 meters long and the weight of 19.54kg) when the system works, the chain needs to be replaced for half a year basically, and the driven chain wheel can be taken out only by sequentially disassembling the inner stirring speed reducing motor, the bearing at the upper supporting point and the matched bearing seat when the driven chain wheel is replaced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to the background art, the utility model provides a novel coaxial two stirring transmission structure has stopped because the chain is lubricated and the pollution risk that arouses, has avoided the trouble of frequent change sprocket, chain, has simplified the structure of frame, has reduced fulcrum, bearing and supporting bearing frame to a whole set of agitating unit's weight and part quantity have been reduced.
In order to achieve the above object, the present invention provides the following technical solutions: a novel coaxial double-stirring transmission structure comprises a stirrer body, wherein a rack is fixedly arranged at the top of the stirrer body, and the novel coaxial double-stirring transmission structure also comprises an outer stirring system and an inner stirring system;
the outer stirring system comprises an outer stirring driving motor arranged on the rack, an output shaft of the outer stirring driving motor is fixedly connected with an outer stirring shaft, the upper end of the outer stirring shaft extends out of the top end of the outer stirring driving motor and abuts against the inner wall of the bottom of a locking nut, the bottom of the locking nut is fixedly arranged on the outer stirring driving motor, the outer stirring shaft is of a hollow structure, the bottom end of the outer stirring shaft extends into the stirrer body and is detachably connected with an outer paddle, a fulcrum bearing is arranged on the outer stirring shaft and comprises an inner ring, the inner ring is in transition fit with the outer stirring shaft, rolling bodies are uniformly distributed between the inner ring and the outer ring, the outer ring is in close fit connection with a bearing seat, and the bearing seat is fixedly arranged on the rack;
the inner stirring system comprises an inner stirring driving motor arranged at the top of the outer stirring motor, an output shaft of the inner stirring driving motor is fixedly connected with an inner stirring shaft, the inner stirring shaft penetrates through a hollow structure of the outer stirring shaft, and the inner stirring shaft is detachably connected with an inner paddle.
By adopting the scheme, the outer stirring driving motor drives the outer stirring shaft and the outer paddle to rotate, the inner stirring driving motor drives the inner stirring shaft and the inner paddle to rotate, the pollution risk caused by chain lubrication is avoided, the trouble of frequently replacing a chain wheel and a chain is avoided, the structure of the frame is simplified, the supporting points, the bearings and the matched bearing seats are reduced, the weight and the number of parts of the whole stirring device are reduced, the arrangement of the locking nut can avoid the axial movement of the outer stirring shaft during rotation, the inner ring is in transition fit with the outer stirring shaft, the inner ring can be driven to synchronously rotate when the outer stirring shaft rotates, the outer ring is in tight fit connection with the bearing seats, the supporting point bearing is fixed on the frame through the bearing seats, the outer stirring shaft is longer, the supporting point bearing is arranged on the outer stirring shaft to ensure that the outer stirring shaft can vertically rotate, and the locking nut is prevented from being loosened due, the down time of the fault is reduced.
Preferably, the inner stirring shaft is of a solid structure.
By adopting the scheme, the material in the stirrer body can be prevented from entering the inner stirring shaft, and the stirrer is convenient to clean.
Preferably, the inner stirring shaft comprises an upper half shaft and a lower half shaft, the bottom of the upper half shaft is detachably connected with an upper half shaft coupler, the top of the lower half shaft is fixedly connected with a lower half shaft coupler in a welding mode, the bottom of the lower half shaft is connected with an inner paddle, and the upper half shaft coupler is connected with the lower half shaft coupler through bolts.
By adopting the scheme, the upper half shaft coupler, the lower half shaft coupler and the bolt can connect the upper half shaft and the lower half shaft together, and the disassembly is convenient.
Preferably, the model of the outer stirring driving motor is a KAF127 speed reducing motor with double flanges, and the model of the inner stirring driving motor is a KAF87 speed reducing motor.
By adopting the scheme, the outer stirring driving motor is more stable in uniform motion during working, and the power consumption efficiency is higher.
Preferably, the stirring device further comprises a conversion flange, wherein the conversion flange is arranged between the inner stirring driving motor and the outer stirring driving motor, and is respectively connected with a flange arranged at the bottom of the inner stirring driving motor and a flange arranged at the top of the outer stirring driving motor.
By adopting the scheme, the inner stirring driving motor and the outer stirring driving motor are fixed through the conversion flange due to the fact that the center distances of the inner stirring driving motor and the outer stirring driving motor with the flange mounting holes are different.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the pollution risk caused by chain lubrication is avoided, the trouble of frequently replacing a chain wheel and a chain is avoided, the structure of the frame is simplified, and a fulcrum, a bearing and a matched bearing seat are reduced, so that the weight and the number of parts of the whole set of stirring device are reduced.
(2) And a locking nut is arranged on the top end surface of the outer stirring shaft, so that the outer stirring shaft is prevented from generating axial movement when rotating.
(3) Because outer (mixing) shaft is longer, sets up the fulcrum bearing on the (mixing) shaft outside and guarantees that outer (mixing) shaft can vertical rotation, prevents that the crooked and deformation of outer (mixing) shaft from causing lock nut not hard up after long-term the use, has reduced the fault down time.
(4) Interior (mixing) shaft improves for the last semi-axis and the lower semi-axis that the cooperation was used, has avoided unipolar length overlength, has reduced the installation and has dismantled the degree of difficulty.
Drawings
Fig. 1 is a schematic structural view of a double stirring system of a prior art stirrer.
Fig. 2 is a partial enlarged view of a dual stirring system of a prior art stirrer.
Fig. 3 is a schematic structural diagram of the present invention.
Fig. 4 is a partial enlarged view of the present invention.
Fig. 5 is a schematic diagram of the connection between the inner stirring driving motor and the outer stirring driving motor of the present invention.
Fig. 6 is an enlarged view of the fulcrum bearing of the present invention.
Fig. 7 is an enlarged view of fig. 4 at position a.
In the figure: 1. an external stirring driving motor; 2. a plane A; 3. a drive sprocket; 4. a chain; 5. a frame; 6. a stirrer body; 7. an outer paddle; 8. an inner paddle; 9. an internal stirring driving motor; 10. a plane B; 11. an upper fulcrum bearing; 12. a driven sprocket; 13. an outer stirring shaft; 14. a lower fulcrum bearing; 15. an inner stirring shaft; 151. an upper half shaft; 152. an upper half shaft coupling; 153. a lower half shaft coupling; 154. a bolt; 155. a lower half shaft; 16. a fulcrum bearing; 161. an inner ring; 162. a rolling body; 163. an outer ring; 164. a bearing seat; 17. locking the nut; 18. and (4) converting the flange.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 3-7, the present invention provides a novel coaxial dual-stirring transmission structure, which comprises a stirrer body 6, a frame 5 fixedly installed on the top of the stirrer body 6, an external stirring system and an internal stirring system;
the outer stirring system comprises an outer stirring driving motor 1 arranged on the frame 5, an output shaft of the outer stirring driving motor 1 is fixedly connected with an outer stirring shaft 13, the upper end of the outer stirring shaft 13 extends out of the top end of the outer stirring driving motor 1 and abuts against the inner wall of the bottom of a locking nut 17, the bottom of the locking nut 17 is fixedly arranged on the outer stirring driving motor 1, the outer stirring shaft 13 is of a hollow structure, the bottom end of the outer stirring shaft 13 extends into the stirrer body 6 and is detachably connected with an outer paddle 7, a fulcrum bearing 16 is arranged on the outer stirring shaft 13, the fulcrum bearing 16 comprises an inner ring 161, the inner ring 161 is in transition fit with the outer stirring shaft 13, rolling bodies 162 are uniformly distributed between the inner ring 161 and an outer ring 163, the outer ring 163 is tightly connected with a bearing seat 164, and the;
the inner stirring system comprises an inner stirring driving motor 9 arranged at the top of the outer stirring motor 1, an output shaft of the inner stirring driving motor 9 is fixedly connected with an inner stirring shaft 15, the inner stirring shaft 15 penetrates through a hollow structure of the outer stirring shaft 13, and the inner stirring shaft 15 is detachably connected with the inner paddle 8.
The outer stirring driving motor 1 drives the outer stirring shaft 13 and the outer paddle 7 to rotate, the inner stirring driving motor 9 drives the inner stirring shaft 15 and the inner paddle 8 to rotate, the pollution risk caused by lubrication of the chain 4 is avoided, the trouble of frequently replacing a chain wheel and the chain 4 is avoided, the structure of the frame 5 is simplified, and supporting points, bearings and supporting bearing seats are reduced, so that the weight and the number of parts of the whole stirring device are reduced, the arrangement of the locking nut 17 can avoid axial float of the outer stirring shaft 13 during rotation, the inner ring 161 is in transition fit with the outer stirring shaft 13, so that the inner ring 161 can be driven to synchronously rotate when the outer stirring shaft 13 rotates, the outer ring 163 is tightly connected with the bearing seats 164, so that the supporting point bearing 16 is fixed on the frame 5 through the bearing seats 164, because the outer stirring shaft 13 is long, the supporting point bearing 16 is arranged on the outer stirring shaft 13 to ensure that the outer stirring, the locking nut 17 is prevented from loosening due to the deflection and deformation of the outer stirring shaft 13 after long-term use, and the fault downtime is reduced.
Interior (mixing) shaft 15 is solid construction, can prevent that the material in the agitator body 6 from entering interior (mixing) shaft 15, convenient washing.
The inner stirring shaft 15 comprises an upper half shaft 151 and a lower half shaft 155, the bottom of the upper half shaft 151 is detachably connected with an upper half shaft coupler 152, the top of the lower half shaft 155 is fixedly connected with a lower half shaft coupler 153 in a welding mode, the bottom of the lower half shaft 155 is connected with an inner paddle 8, the upper half shaft coupler 152 is connected with the lower half shaft coupler 153 through a bolt 154, the upper half shaft coupler 152, the lower half shaft coupler 153 and the bolt 154 can connect the upper half shaft 151 and the lower half shaft 155 together, and the disassembly is convenient.
The model of the outer stirring driving motor 1 is a KAF127 speed reducing motor with double flanges, the model of the inner stirring driving motor 9 is a KAF87 speed reducing motor, the outer stirring driving motor 1 is more stable in uniform motion work, and the power consumption efficiency is higher.
The utility model discloses still including conversion flange 18, between stirring driving motor 9 and outer stirring driving motor 1 including conversion flange 18 sets up, conversion flange 18 respectively with interior stirring driving motor 9 bottom from the flange in area and the flange joint of outer stirring driving motor 1 top from the area, because interior stirring driving motor 9 is different with outer stirring driving motor 1 from the centre-to-centre spacing of flanged mounting hole, can be fixed with interior stirring driving motor 9 and outer stirring driving motor 1 through conversion flange 18.
The working principle is as follows: the top of the outer stirring shaft 13 passes through the fulcrum bearing 16 to be assembled with the outer stirring driving motor 1, the outer stirring shaft 13 is fixed by the locking nut 17, then the upper half shaft 151 is extended into the cavity structure of the outer stirring shaft 13, the top of the upper half shaft 151 is assembled with the inner stirring driving motor 9, the bottom is assembled with the upper half shaft coupler 152, then the upper half shaft coupling 152 and the lower half shaft 155 with the lower half shaft coupling 153 are connected through a bolt 154, finally the outer stirring shaft 13 and the outer paddle 7 as well as the inner stirring shaft 15 and the inner paddle 8 are respectively assembled together, after the assembly is finished, when the switch is turned on, the outer stirring driving motor 1 drives the outer stirring shaft 13 and the outer paddle 7 to rotate, the inner stirring driving motor 9 drives the inner stirring shaft 15 and the inner paddle 8 to rotate, the outer stirring system and the inner stirring system are not affected with each other, the materials in the stirrer body 6 can be fully and uniformly mixed in the same direction, different directions, same speed or different speeds.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a novel coaxial two stirring transmission structure, includes agitator body (6), the top fixed mounting of agitator body (6) has frame (5), its characterized in that: the device also comprises an outer stirring system and an inner stirring system;
the outer stirring system comprises an outer stirring driving motor (1) arranged on the rack (5), an output shaft of the outer stirring driving motor (1) is fixedly connected with an outer stirring shaft (13), the upper end of the outer stirring shaft (13) extends out of the top end of the outer stirring driving motor (1) and abuts against the inner wall of the bottom of a locking nut (17), the bottom of the locking nut (17) is fixedly arranged on the outer stirring driving motor (1), the outer stirring shaft (13) is of a hollow structure, the bottom end of the outer stirring shaft (13) extends into the stirrer body (6) and is detachably connected with an outer paddle (7), a fulcrum bearing (16) is arranged on the outer stirring shaft (13), the fulcrum bearing (16) comprises an inner ring (161), the inner ring (161) is in transition fit with the outer stirring shaft (13), and rolling bodies (162) are uniformly distributed between the inner ring (161) and an outer ring (163), the outer ring (163) is tightly matched and connected with a bearing seat (164), and the bearing seat (164) is fixedly arranged on the rack (5);
interior stirring system is including setting up interior stirring driving motor (9) at outer stirring driving motor (1) top, the output shaft and interior (15) fixed connection of interior stirring driving motor (9), interior (15) pass the hollow structure of outer (13) mixing shaft, interior (15) can dismantle with interior oar (8) and be connected.
2. The novel coaxial double-stirring transmission structure according to claim 1, characterized in that: the inner stirring shaft (15) is of a solid structure.
3. The novel coaxial double-stirring transmission structure according to claim 1, characterized in that: interior (15) including last semi-axis (151) and lower semi-axis (155), the bottom of going up semi-axis (151) can be dismantled and be connected with last semi-axis shaft coupling (152), semi-axis shaft coupling (153) under the top welded fastening of lower semi-axis (155), the bottom of semi-axis (155) is connected with interior oar (8) down, go up semi-axis shaft coupling (152) with semi-axis shaft coupling (153) are connected through bolt (154) down.
4. The novel coaxial double-stirring transmission structure according to claim 1, characterized in that: the model of the outer stirring driving motor (1) is a KAF127 speed reducing motor with double flanges, and the model of the inner stirring driving motor (9) is a KAF87 speed reducing motor.
5. The novel coaxial double-stirring transmission structure according to claim 1, characterized in that: the stirring device is characterized by further comprising a conversion flange (18), wherein the conversion flange (18) is arranged between the inner stirring driving motor (9) and the outer stirring driving motor (1), and the conversion flange (18) is connected with a flange arranged at the bottom of the inner stirring driving motor (9) and a flange arranged at the top of the outer stirring driving motor (1) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020444798.XU CN212215375U (en) | 2020-03-31 | 2020-03-31 | Novel coaxial double-stirring transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020444798.XU CN212215375U (en) | 2020-03-31 | 2020-03-31 | Novel coaxial double-stirring transmission structure |
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| Publication Number | Publication Date |
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| CN212215375U true CN212215375U (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020444798.XU Expired - Fee Related CN212215375U (en) | 2020-03-31 | 2020-03-31 | Novel coaxial double-stirring transmission structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115178137A (en) * | 2022-07-07 | 2022-10-14 | 上海诚兴机械电子有限公司 | Accurate temperature detection device for sanitary container |
-
2020
- 2020-03-31 CN CN202020444798.XU patent/CN212215375U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115178137A (en) * | 2022-07-07 | 2022-10-14 | 上海诚兴机械电子有限公司 | Accurate temperature detection device for sanitary container |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |