CN213084505U - Screw shaft supporting structure of screw conveyor - Google Patents
Screw shaft supporting structure of screw conveyor Download PDFInfo
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- CN213084505U CN213084505U CN202021869386.7U CN202021869386U CN213084505U CN 213084505 U CN213084505 U CN 213084505U CN 202021869386 U CN202021869386 U CN 202021869386U CN 213084505 U CN213084505 U CN 213084505U
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Abstract
The utility model relates to the technical field of conveyors, and discloses a screw shaft supporting structure of a screw conveyor, which comprises a screw shaft arranged in a shell, wherein the screw shaft comprises a base shaft and a plurality of sections of screw blades which are axially and linearly arranged and fixed on the outer wall of the base shaft; the shell comprises a plurality of sub-shells which are linearly arranged, an auxiliary rolling gear is arranged between every two adjacent sub-shells, two axially-raised lantern rings are formed on the auxiliary rolling gear, and the lantern rings are inserted and sleeved at the end parts of the sub-shells; a through hole is formed in the middle of the auxiliary rolling gear, a plurality of support columns which are uniformly distributed on the circumference are fixed on the inner wall of the through hole, a support ring is fixed at the inner ends of the support columns, and the middle part of the base shaft is inserted and sleeved on and fixed on the support ring; two adjacent sub-housings are fixedly connected through a positioning connector. The rolling gear is arranged in the middle of the spiral shaft and drives the middle of the spiral shaft and two ends of the spiral shaft to rotate at the same speed, so that the torsion force in the middle of the spiral shaft can be effectively reduced, and the bending deformation of the spiral shaft is prevented.
Description
The technical field is as follows:
the utility model relates to a conveyer technical field, concretely relates to screw conveyer's screw axis bearing structure.
Background art:
the industrial waste salt is generally conveyed by a screw conveyor in the process of ceramic fusion of the industrial waste salt (such as brick making by waste salt and the like). The two ends of the spiral shaft of the spiral conveyor are generally hinged with the shell through bearings, and when the spiral shaft of the spiral conveyor is longer (the length-diameter ratio is generally L: D is more than 30), the traditional two-end bearing supporting technology has the defects of poor rigidity and bending deformation of the spiral shaft.
The utility model has the following contents:
the utility model aims at overcoming prior art's not enough, providing a screw conveyer's screw axis bearing structure, it rotates with same speed through the middle part that sets up the rolling roller gear at the middle part of screw axis and drive the middle part of screw axis and the both ends of screw axis, can effectively reduce the torsional force at screw axis middle part to prevent screw axis bending deformation.
The utility model provides a technical problem's scheme is:
a spiral shaft supporting structure of a spiral conveyor comprises a spiral shaft arranged in a shell, wherein the spiral shaft comprises a base shaft and a plurality of sections of spiral blades which are linearly arranged in the axial direction and fixed on the outer wall of the base shaft; the shell comprises a plurality of sub-shells which are linearly arranged, an auxiliary rolling gear is arranged between every two adjacent sub-shells, two axially-raised lantern rings are formed on the auxiliary rolling gear, and the lantern rings are inserted and sleeved at the end parts of the sub-shells; a through hole is formed in the middle of the auxiliary rolling gear, a plurality of support columns which are uniformly distributed on the circumference are fixed on the inner wall of the through hole, support rings are fixed at the inner ends of the support columns, and the middle of the base shaft is inserted and fixed on the support rings;
two adjacent sub-housings are fixedly connected through a positioning connector.
The outer side of the end part of the sub-shell, which is close to the auxiliary rolling gear, is sleeved with a wear-resistant ring, and the outer wall of the wear-resistant ring is smoothly arranged and pressed on the inner wall of the lantern ring.
An inner flanging is formed at one end of the wear-resisting ring close to the auxiliary rolling gear, and the inner flanging is clamped between the end face of the sub-shell and the auxiliary rolling gear; one side of the inner flanging, which is attached to the auxiliary roller gear, is smoothly arranged.
The outer side of the auxiliary rolling gear is meshed with a synchronous gear, the synchronous gear is fixed in the middle of a gear shaft, two ends of the gear shaft are hinged to a positioning connector, a servo motor is fixedly connected to the positioning connector, a motor shaft of the servo motor is fixedly connected with one end of the gear shaft, and the speed of the motor arranged at the end of the spiral shaft driving the spiral shaft to rotate is equal to the speed of the servo motor driving the middle of the spiral shaft 2 through the synchronous gear and the auxiliary rolling gear.
A plurality of threaded through holes which penetrate through the support ring in the radial direction are formed in the support ring;
a plurality of counter bores which correspond to the thread through holes one by one are formed in the base shaft; the screw is screwed in each threaded through hole, an optical axis is formed at the inner end of the screw, the optical axis is inserted and sleeved in the counter bore, and a hexagonal counter bore is formed at the outer end of the screw.
The cross section of the support column is in a diamond shape.
A positioning convex ring is formed on the outer wall of the end part of the sub-shell close to the auxiliary rolling gear;
the positioning connector comprises two semicircular clamping rings, two positioning grooves matched with the positioning convex rings are formed in the inner walls of the clamping rings, two symmetrical bolt through holes are formed in the clamping rings, and the two clamping rings are fixedly connected through bolts.
The utility model discloses an outstanding effect is:
compared with the prior art, the middle of the spiral shaft is provided with the rolling gear and drives the middle of the spiral shaft and the two ends of the spiral shaft to rotate at the same speed, so that the torsion force in the middle of the spiral shaft can be effectively reduced, and the bending deformation of the spiral shaft is prevented. .
Description of the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is a schematic structural view of the auxiliary roller gear of the present invention;
fig. 4 is a schematic structural diagram of the positioning connector of the present invention.
The specific implementation mode is as follows:
embodiment, as shown in fig. 1 to 4, a screw shaft supporting structure of a screw conveyor includes a screw shaft 2 disposed in a housing 1, the screw shaft 2 including a base shaft 21 and a plurality of axially linearly arranged screw flights 22 fixed on an outer wall of the base shaft 21; : the shell 1 comprises a plurality of linearly arranged sub-shells 11, an auxiliary rolling gear 3 is arranged between every two adjacent sub-shells 11, two axially protruding lantern rings 31 are formed on the auxiliary rolling gear 3, and the lantern rings 31 are inserted and sleeved at the end parts of the sub-shells 11; a through hole 32 is formed in the middle of the auxiliary rolling gear 3, a plurality of support columns 33 which are uniformly distributed on the circumference are fixed on the inner wall of the through hole 32, a support ring 34 is fixed at the inner end of each support column 33, and the middle of the base shaft 21 is inserted and fixed on the support ring 34;
two adjacent sub-housings 11 are fixedly connected through the positioning connector 4.
Furthermore, a wear-resistant ring 5 is sleeved outside the end part of the sub-shell 11 close to the auxiliary rolling gear 3, and the outer wall of the wear-resistant ring 5 is smoothly arranged and pressed against the inner wall of the sleeve ring 31.
Furthermore, an inner flanging 51 is formed at one end of the wear-resisting ring 5 close to the auxiliary roller gear 3, and the inner flanging 51 is clamped between the end surface of the sub-shell 11 and the auxiliary roller gear 3; the inner flanging 51 is smoothly attached to the auxiliary roller gear 3.
Furthermore, the outer side of the auxiliary roller gear 3 is engaged with a synchronous gear 61, the synchronous gear 61 is fixed in the middle of a gear shaft 62, two ends of the gear shaft 62 are hinged on the positioning connector 4, a servo motor 63 is fixedly connected on the positioning connector 4, a motor shaft of the servo motor 63 is fixedly connected with one end of the gear shaft 62, and the speed of the motor arranged at the end of the screw shaft 2 driving the screw shaft 2 to rotate is equal to the speed of the servo motor 63 driving the middle of the screw shaft 2 through the synchronous gear and the auxiliary roller gear.
More specifically, the support ring 34 is formed with a plurality of radially penetrating threaded through holes 341;
a plurality of counter bores 23 corresponding to the thread through holes 341 one by one are formed on the base shaft 21; a screw 7 is screwed in each threaded through hole 341, an optical axis 71 is formed at the inner end of the screw 7, the optical axis 71 is inserted in the counter bore 23, and a hexagonal counter bore 72 is formed at the outer end of the screw 7.
Further, the cross-section of the supporting column 33 is diamond-shaped.
Furthermore, a positioning convex ring 12 is formed on the outer wall of the end part of the sub-shell 11 close to the auxiliary rolling gear 3;
the positioning connector 4 comprises two semicircular clamping rings 41, two positioning grooves 42 matched with the positioning convex rings 12 are formed on the inner walls of the clamping rings 41, two symmetrical bolt through holes 43 are formed on the clamping rings 41, and the two clamping rings 41 are fixedly connected through bolts.
The working principle is as follows: the servo motor 63 drives the gear shaft 62 to rotate, the gear shaft 62 drives the synchronous gear 61 to rotate, the synchronous gear 61 drives the auxiliary rolling gear 3 to rotate, the auxiliary rolling gear drives the screw shaft 2 to synchronously rotate through the supporting column 33, the supporting ring 34, the screw 7 and the optical axis 71, a rotating force is provided while the middle part of the screw shaft is supported, the torsional force in the middle part of the screw shaft can be effectively reduced, and therefore the bending deformation of the screw shaft is prevented;
the servo motor 63 is controlled by an external control processor, the external control processor processes the collected rotating speed of the end part of the spiral shaft, and controls the servo motor 63 to drive the rotating speeds of the two ends of the spiral shaft to be equal to the rotating speed of the middle part of the spiral shaft by synchronously adjusting the rotating speeds.
Finally, the above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (7)
1. A screw shaft supporting structure of a screw conveyor comprises a screw shaft (2) arranged in a shell (1), wherein the screw shaft (2) comprises a base shaft (21) and a plurality of sections of axially linearly arranged screw blades (22) fixed on the outer wall of the base shaft (21); the method is characterized in that: the shell (1) comprises a plurality of linearly arranged sub-shells (11), an auxiliary rolling gear (3) is arranged between every two adjacent sub-shells (11), two axially protruding lantern rings (31) are formed on the auxiliary rolling gear (3), and the lantern rings (31) are inserted and sleeved at the end parts of the sub-shells (11); a through hole (32) is formed in the middle of the auxiliary rolling gear (3), a plurality of support columns (33) which are uniformly distributed on the circumference are fixed on the inner wall of the through hole (32), a support ring (34) is fixed at the inner end of the support columns (33), and the middle of the base shaft (21) is inserted and fixed on the support ring (34);
two adjacent sub-housings (11) are fixedly connected through a positioning connector (4).
2. A screw shaft supporting structure of a screw conveyor according to claim 1, wherein: the outer side of the end part of the sub-shell (11) close to the auxiliary rolling gear (3) is sleeved with a wear-resistant ring (5), and the outer wall of the wear-resistant ring (5) is smoothly arranged and pressed against the inner wall of the sleeve ring (31).
3. A screw shaft supporting structure of a screw conveyor according to claim 2, wherein: an inner flanging (51) is formed at one end, close to the auxiliary rolling gear (3), of the wear-resistant ring (5), and the inner flanging (51) is clamped between the end face of the sub-shell (11) and the auxiliary rolling gear (3); one side of the inner flanging (51) attached to the auxiliary roller gear (3) is smooth.
4. A screw shaft supporting structure of a screw conveyor according to claim 1, wherein: the outside meshing of supplementary roller gear (3) has synchronous gear (61), and synchronous gear (61) are fixed in the middle part of gear shaft (62), and the both ends of gear shaft (62) articulate on location connector (4), fixedly connected with servo motor (63) on location connector (4), the motor shaft of servo motor (63) and the one end fixed connection of gear shaft (62).
5. A screw shaft supporting structure of a screw conveyor according to claim 1, wherein: a plurality of threaded through holes (341) which penetrate through the support ring (34) in the radial direction are formed on the support ring;
a plurality of counter bores (23) which correspond to the thread through holes (341) one by one are formed on the base shaft (21); a screw (7) is screwed in each threaded through hole (341), an optical axis (71) is formed at the inner end of the screw (7), the optical axis (71) is inserted in the counter bore (23), and a hexagonal counter bore (72) is formed at the outer end of the screw (7).
6. A screw shaft supporting structure of a screw conveyor according to claim 1, wherein: the cross section of the supporting column (33) is rhombic.
7. A screw shaft supporting structure of a screw conveyor according to claim 1, wherein: a positioning convex ring (12) is formed on the outer wall of the end part of the sub-shell (11) close to the auxiliary rolling gear (3);
the positioning connector (4) comprises two semicircular clamping rings (41), two positioning grooves (42) matched with the positioning convex rings (12) are formed in the inner walls of the clamping rings (41), two symmetrical bolt through holes (43) are formed in the clamping rings (41), and the two clamping rings (41) are fixedly connected through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021869386.7U CN213084505U (en) | 2020-09-01 | 2020-09-01 | Screw shaft supporting structure of screw conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021869386.7U CN213084505U (en) | 2020-09-01 | 2020-09-01 | Screw shaft supporting structure of screw conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213084505U true CN213084505U (en) | 2021-04-30 |
Family
ID=75633100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021869386.7U Active CN213084505U (en) | 2020-09-01 | 2020-09-01 | Screw shaft supporting structure of screw conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213084505U (en) |
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2020
- 2020-09-01 CN CN202021869386.7U patent/CN213084505U/en active Active
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