CN220297915U - Double-screw type squeezing dewatering main shaft - Google Patents
Double-screw type squeezing dewatering main shaft Download PDFInfo
- Publication number
- CN220297915U CN220297915U CN202321838401.5U CN202321838401U CN220297915U CN 220297915 U CN220297915 U CN 220297915U CN 202321838401 U CN202321838401 U CN 202321838401U CN 220297915 U CN220297915 U CN 220297915U
- Authority
- CN
- China
- Prior art keywords
- helical blade
- transmission shaft
- double
- sleeve
- blade structure
- 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.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 44
- 230000018044 dehydration Effects 0.000 claims description 4
- 238000006297 dehydration reaction Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006880 cross-coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
Abstract
The utility model relates to a double-screw type squeezing dewatering main shaft, and belongs to the technical field of squeezers. The novel spiral power transmission device comprises a transmission shaft, wherein one side of the transmission shaft is provided with a forward spiral blade structure which is movably sleeved, the other side of the transmission shaft is provided with a reverse spiral blade structure, the forward spiral blade structure and the reverse spiral blade structure respectively comprise a forward spiral blade and a reverse spiral blade, and the number of spiral turns of the forward spiral blade is larger than that of the reverse spiral blade. The utility model provides a double-screw type squeezing and dewatering main shaft which can simultaneously realize the transmission of two rotating speeds, so that the double-screw type squeezing and dewatering main shaft has high dewatering efficiency after being matched with a squeezing and dewatering machine.
Description
Technical Field
The utility model relates to a double-screw type squeezing dewatering main shaft, and belongs to the technical field of squeezers.
Background
The screw press realizes the extrusion effect by adopting the helical blade, and the adoption rate is higher because the screw press has a simple structure. At present, variable diameter screw presses are mostly adopted in the market. If the patent is applied to the Chinese utility model patent with the application number of CN201920768808.2, but the variable diameter screw press is used for pressing materials with poor flowability, high viscosity and more severe properties, the effect is poor, the efficiency is low, and the load of a motor is high; in the prior art, the Chinese patent with the application number of CN202120329078.3 is provided with spiral blades with different rotation directions on two sides, but the spiral blades with different rotation directions are arranged on one main shaft, so that the transmission of two rotation speeds cannot be realized, and a spiral main shaft capable of realizing two rotation speeds is developed.
Disclosure of Invention
The utility model aims to solve the technical problems that: the double-screw type squeezing and dewatering main shaft overcomes the defects of the prior art, can realize the transmission of two rotating speeds at the same time, and has high dewatering efficiency after being matched with a squeezing and dewatering machine.
The double-screw type squeezing dewatering main shaft comprises a transmission shaft, wherein one side of the transmission shaft is provided with a forward screw blade structure which is movably sleeved, the other side of the transmission shaft is provided with a reverse screw blade structure, the forward screw blade structure and the reverse screw blade structure respectively comprise a forward screw blade and a reverse screw blade, and the number of screw turns of the forward screw blade is larger than that of the reverse screw blade.
Further, the pitch of the forward helical blade is greater than the pitch of the reverse helical blade.
Further, the reverse helical blade structure comprises a conical sleeve, the conical sleeve is sleeved on the transmission shaft, and the reverse helical blade is arranged outside the conical sleeve.
Further, the forward helical blade structure comprises a cylindrical sleeve, the cylindrical sleeve is movably sleeved on the transmission shaft, the forward helical blade is arranged outside the cylindrical sleeve, and annular grooves are respectively arranged at two ends of the inner side surface of the cylindrical sleeve.
Further, the transmission shaft is a stepped shaft, an annular boss is arranged at the matching position of the transmission shaft and the cylindrical sleeve, a mounting sleeve is sleeved on the annular boss, and the cylindrical sleeve is movably sleeved on the mounting sleeve.
Further, a sealing ring is arranged in the annular groove of one end of the cylindrical sleeve, which is close to the conical sleeve.
Further, the diameter size of the transmission shaft section installed on the conical sleeve is smaller than that of the annular boss, and a retainer ring is sleeved on the transmission shaft between the conical sleeve and the cylindrical sleeve.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model can realize the transmission of two rotating speeds simultaneously by arranging the forward spiral blade structure and the reverse spiral blade structure, so that the dewatering efficiency is high after the device is matched with a squeezing dewatering machine.
Drawings
FIG. 1 is a schematic structural view of embodiment 1 of the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
FIG. 4 is an enlarged view of a portion of FIG. 1 at C;
FIG. 5 is a schematic diagram of the structure of a transmission according to embodiment 1 of the present utility model;
FIG. 6 is a full sectional view of D-D of FIG. 5;
FIG. 7 is a full sectional view of E-E of FIG. 5;
FIG. 8 is a full cross-sectional view of F-F of FIG. 5;
FIG. 9 is a schematic view of gear III according to embodiment 1 of the present utility model;
FIG. 10 is a schematic view of the structure of the positive and negative helical blades of embodiment 1 of the present utility model;
FIG. 11 is an enlarged view of a portion of FIG. 10 at G;
FIG. 12 is a top view of embodiment 1 of the present utility model;
FIG. 13 is a left side view of the transmission of embodiment 1 of the present utility model;
in the figure:
1. a power mechanism; 11. a motor; 12. a connection box; 13. a gearbox; 131. a gear I; 132. a gear II; 133. a gear III; 134. a gear IV; 135. a gear V;
2. a housing;
3. a pressing mechanism; 31. a positive helical blade structure; 311. a cylindrical sleeve; 312. forward helical blades; 313. an annular groove; 32. a reverse helical blade structure; 321. a conical sleeve; 322. reverse helical blades; 33. a screen body; 34. a transmission shaft; 35. a mounting sleeve; 36. a seal ring; 37. a retainer ring;
4. a discharge port;
5. a back pressure mechanism; 51. an extrusion body; 52. a buffer device; 521. a baffle; 53. a driving device;
6. a feed inlet; 61. and a sloping plate.
Detailed Description
Example 1
As shown in fig. 1 to 13, the double-screw type squeezing dewatering main shaft is installed in a double-screw type squeezing dewatering machine and used, the double-screw type squeezing dewatering machine comprises a shell 2, a squeezing mechanism 3 is arranged in the shell 2, one end of the shell 2 is provided with a power mechanism 1, the power mechanism 1 comprises a motor 11, a connecting box 12 and a gearbox 13, the output end of the motor 11 is connected with the input end of the connecting box 12, the output end of the connecting box 12 is connected with the input end of the gearbox 13, the output end of the connecting power mechanism 1 is connected with the squeezing mechanism 3, the output end of the squeezing mechanism 3 is provided with a back pressure mechanism 5 capable of buffering, the back pressure mechanism 5 is installed in the shell 2, and the lower end of the back pressure mechanism 5 is provided with a discharge hole 4 on the shell 2;
as shown in fig. 5-8, a gear i 131, a gear ii 132, a gear iii 133, a gear iv 134 and a gear v 135 are arranged in the gearbox 13, the gear ii 132 is fixed at the shaft end of the transmission shaft 34 through key connection, the output shaft drives the gear i 131 through key connection, the gear i 131 cooperates with the gear ii 132 to drive the transmission shaft 34 so as to realize the rotation of the reverse helical blade structure 32, a gear iv 134 is also arranged at one side in the gearbox 13, the gear i 131 cooperates with the gear iv 134, the gear iv 134 transmits power to a gear v 135 coaxially arranged, the gear v 135 cooperates with the gear iii 133, a thrust ball bearing axial force is arranged between the gear iii 133 and the gear ii 132 and is used for bearing excessive axial force, and the gear iii 133 is connected with the forward helical blade structure 31 through a coupling movably sleeved outside the transmission shaft 34; as shown in fig. 9, one end of the gear iii 133 is provided with a groove for connecting with a coupling, which may be a cross coupling.
The squeezing mechanism 3 comprises a transmission shaft 34, a forward helical blade structure 31 and a reverse helical blade structure 32 which can have different rotation speeds are sleeved on the transmission shaft 34, a sieve body 33 is sleeved on the outer ring of the forward helical blade structure 31 and the outer ring of the reverse helical blade structure 32, the sieve body 33 is installed in the shell 2, a feed inlet 6 is correspondingly arranged at the upper end of the forward helical blade structure 31, an inclined plate 61 is arranged at one side of the feed inlet 6, and the inclined plate 61 is used for assisting feeding, so that materials can directly slide into the shell 2 along the inclined plate 61.
As shown in fig. 4, the back pressure mechanism 5 includes a reciprocally movable pressing body 51, one end of the pressing body 51 is movably sleeved at the end of the tapered sleeve 321, the other end of the pressing body is movably sleeved on the transmission shaft 34, one end of the pressing body 51 is connected with an output end of a driving device 53, the driving device 53 is fixed on the housing 2, as shown in fig. 12, the driving device 53 is provided as two hydraulic cylinders, and the fixed ends of the hydraulic cylinders are fixed on the housing 2.
A buffer device 52 is arranged between the extrusion body 51 and the driving device 53, the buffer device 52 comprises a spring sleeved on the transmission shaft 34, one end of the spring is connected with one end of the extrusion body 51, the other end of the spring is fixed on a movable baffle 521, the baffle 521 is movably sleeved on the transmission shaft 34, and one end of the baffle 521 is connected with the output end of the hydraulic cylinder.
As shown in fig. 10 to 11, one side of the transmission shaft 34 is provided with a forward helical blade structure 31 movably sleeved, the other side of the transmission shaft 34 is provided with a reverse helical blade structure 32, the forward helical blade structure 31 comprises a forward helical blade 312, the reverse helical blade structure 32 comprises a reverse helical blade 322, and the rotation speed of the forward helical blade 312 is greater than that of the reverse helical blade 322, so that the dehydration rate of the material is increased due to different applied forces to the material.
Wherein the number of turns of the forward helical blade 312 is greater than the number of turns of the reverse helical blade 322.
The reverse helical blade structure 32 comprises a conical sleeve 321, the conical sleeve 321 is sleeved on the transmission shaft 34, and reverse helical blades 322 are arranged outside the conical sleeve 321.
The forward helical blade structure 31 comprises a cylindrical sleeve 311, the cylindrical sleeve 311 is movably sleeved on the transmission shaft 34, forward helical blades 312 are arranged outside the cylindrical sleeve 311, and annular grooves 313 are respectively arranged at two ends of the inner side surface of the cylindrical sleeve 311.
The transmission shaft 34 is a stepped shaft, an annular boss is arranged at the matching position of the transmission shaft 34 and the cylindrical sleeve 311, a mounting sleeve 35 is sleeved on the annular boss, and the cylindrical sleeve 311 is movably sleeved on the mounting sleeve 35.
A sealing ring 36 is also provided in annular groove 313 of cylindrical sleeve 311 near one end of tapered sleeve 321.
The diameter of the shaft section of the transmission shaft 34 arranged on the conical sleeve 321 is smaller than that of the annular boss, a retainer ring 37 is sleeved on the transmission shaft 34 between the conical sleeve 321 and the cylindrical sleeve 311, and the other end of the conical sleeve 321 is fixed through a shaft end nut.
Working process or working principle:
the material enters into inside casing 2 from feed inlet 6, and forward helical blade structure 31 brings the material into screen frame 33 department, is equipped with complete reverse helical blade structure 32 in the inner chamber that screen frame 33 encircleed, and reverse helical blade structure 32 forms the extrusion with forward helical blade structure 31, presses the dehydration through outer lane installation screen frame 33, and the extrusion body 51 in backpressure mechanism 5 advances to the position that needs the extrusion in advance with the pneumatic cylinder this moment, and then the material after the dehydration is discharged from lower extreme discharge gate 4.
Example 2
Unlike example 1, the following is:
the pitch of the forward helical blades 312 is greater than the pitch of the reverse helical blades 322.
The description of the directions and the relative positional relationships of the structures, such as the description of the front, back, left, right, up and down, in the present utility model does not limit the present utility model, but is merely for convenience of description.
Claims (7)
1. The utility model provides a double helix formula squeeze dehydration main shaft, its characterized in that, including transmission shaft (34), transmission shaft (34) one side is equipped with movable set's forward helical blade structure (31), and reverse helical blade structure (32) are installed to transmission shaft (34) opposite side, contains forward helical blade (312) and reverse helical blade (322) in forward helical blade structure (31) and the reverse helical blade structure (32) respectively, and wherein the spiral number of turns of forward helical blade (312) is greater than the spiral number of turns of reverse helical blade (322).
2. The twin-screw press dewatering main shaft according to claim 1, characterized in that the pitch of the forward screw blades (312) is larger than the pitch of the reverse screw blades (322).
3. Double-screw press dewatering main shaft according to claim 1 or 2, characterized in that the counter-screw blade structure (32) comprises a conical sleeve (321), the conical sleeve (321) is fitted over the drive shaft (34), and the counter-screw blades (322) are arranged outside the conical sleeve (321).
4. A double-screw press dewatering main shaft according to claim 3, characterized in that the positive helical blade structure (31) comprises a cylindrical sleeve (311), the cylindrical sleeve (311) is movably sleeved on the transmission shaft (34), positive helical blades (312) are arranged outside the cylindrical sleeve (311), and annular grooves (313) are respectively arranged at two ends of the inner side surface of the cylindrical sleeve (311).
5. The double-screw type press dewatering main shaft according to claim 4, characterized in that the diameter of the shaft section of the transmission shaft (34) installed on the conical sleeve (321) is smaller than the diameter of the annular boss, and a retainer ring (37) is sleeved on the transmission shaft (34) between the conical sleeve (321) and the cylindrical sleeve (311).
6. The double-screw type squeezing and dewatering main shaft according to claim 4, characterized in that the transmission shaft (34) is a stepped shaft, an annular boss is arranged at the matching position of the transmission shaft (34) and the cylindrical sleeve (311), a mounting sleeve (35) is sleeved on the annular boss, and the cylindrical sleeve (311) is movably sleeved on the mounting sleeve (35).
7. A double screw press dewatering spindle according to claim 6, characterized in that a sealing ring (36) is also provided in the annular groove (313) of the cylindrical sleeve (311) near the end of the conical sleeve (321).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321838401.5U CN220297915U (en) | 2023-07-13 | 2023-07-13 | Double-screw type squeezing dewatering main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321838401.5U CN220297915U (en) | 2023-07-13 | 2023-07-13 | Double-screw type squeezing dewatering main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220297915U true CN220297915U (en) | 2024-01-05 |
Family
ID=89345649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321838401.5U Active CN220297915U (en) | 2023-07-13 | 2023-07-13 | Double-screw type squeezing dewatering main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220297915U (en) |
-
2023
- 2023-07-13 CN CN202321838401.5U patent/CN220297915U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201158156Y (en) | Novel oil press | |
| CN220297915U (en) | Double-screw type squeezing dewatering main shaft | |
| CN107457340B (en) | A kind of integrated hybrid drive-type twin-tub tandem pressurization hydraulic press | |
| CN219523147U (en) | Double-screw squeezing dehydrator | |
| CN211193673U (en) | Portable hydraulic wrench with adjustable torque | |
| CN110280615A (en) | A kind of extruding axis quick-replaceable and locking device and method | |
| CN209794636U (en) | Efficient-squeezing screw oil press | |
| CN216440032U (en) | Pressure filter convenient to unloading | |
| CN213035361U (en) | Coconut meat squeezes and smashes all-in-one | |
| CN217355031U (en) | Built-in opening and closing nut type locking oil cylinder | |
| CN219539650U (en) | Dedicated quick disconnect-type pressure filter of production praseodymium neodymium oxide | |
| CN212179538U (en) | Driving and connecting structure of material dehydrator | |
| CN201006631Y (en) | Hydraulic pressure cold material feeding pin bolt extruding press | |
| CN218691033U (en) | Continuous single-component precise quantitative cylinder | |
| CN214534282U (en) | Transmission speed-changing reversing device | |
| CN219949365U (en) | Wet granulator discharge mechanism | |
| CN213533922U (en) | Pressing chamber supercharging device of strip-row screw oil press | |
| CN2382744Y (en) | Parallel spin double screw pulpe extruder | |
| CN218026898U (en) | Double-screw pulp extruder | |
| CN216044365U (en) | Transmission structure of guide sleeve of plunger pump | |
| CN113857505B (en) | High rotational speed main shaft unit structure of built-in big moment of torsion of unclamping cylinder | |
| CN217834824U (en) | Paper article recovery unit | |
| CN215980504U (en) | Energy-saving consumption-reducing transmission mechanism of flour press | |
| CN208389968U (en) | A kind of biomass granulation machine drive mechanism | |
| CN220732529U (en) | Radial bearing electric cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |