CN211012392U

CN211012392U - Cylinder fixing device of three-cylinder dryer

Info

Publication number: CN211012392U
Application number: CN201922119702.2U
Authority: CN
Inventors: 王金海
Original assignee: Shandong Rotex Machinery Co ltd
Current assignee: Shandong Rotex Machinery Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-07-14
Anticipated expiration: 2029-11-28

Abstract

The utility model discloses a three-cylinder dryer cylinder fixing device, wherein one side of a motor is connected with a speed reducer through a coupler, and one end of an output shaft of the speed reducer is connected with a gear; the roller comprises an outer cylinder, a middle cylinder and an inner cylinder, wherein a gear ring meshed with the gear is arranged on the outer cylinder; the two ends of the outer cylinder are provided with fixing rings corresponding to the carrier roller, and the inner walls of the outer cylinder, the middle cylinder and the inner cylinder are provided with a plurality of lifting blades; the outer barrel and the middle barrel and the inner barrel are connected through the fixing support, the fixing support comprises a first connecting portion, a second connecting portion and a supporting portion, the two ends of the first connecting portion and the two ends of the second connecting portion are connected through the supporting portion, and the supporting portion is of an arc-shaped structure. The utility model discloses including the outside of a section of thick bamboo and well section of thick bamboo set up the fixed bolster, the fixed bolster both sides include the arc supporting part that the symmetry set up, and the supporting part has certain elastic deformation surplus, has avoided the separation of fixed bolster and inner tube or well section of thick bamboo, has guaranteed the life of three section of thick bamboo drying-machines.

Description

Cylinder fixing device of three-cylinder dryer

Technical Field

The utility model belongs to the technical field of the drying-machine, in particular to three-cylinder drying-machine cylinder fixing device.

Background

At present, a three-cylinder dryer is generally adopted in material drying equipment, the three-cylinder dryer is formed by sleeving and combining three concentric cylinders with different diameters, namely an inner cylinder, a middle cylinder and an outer cylinder, and during operation, the inner cylinder and the middle cylinder are surrounded by the outer cylinder to form a self heat insulation system, heat radiated on the surface of the inner cylinder is absorbed by materials in the middle cylinder, and heat radiated on the surface of the middle cylinder is absorbed by materials in the outer cylinder, so that the three-cylinder dryer can fully utilize heat energy, and the utilization rate of the heat energy is greatly improved.

When the three-cylinder dryer works, the rotating torque of the outer cylinder needs to be transmitted to the middle cylinder and the inner cylinder, a fixing support between a roller and a roller of the existing three-cylinder dryer is generally fixed by channel steel, and two ends of the channel steel are screwed and fixed with the corresponding cylinders respectively by bolts. However, because the inner cylinder and the middle cylinder have larger temperature difference, when the inner cylinder and the middle cylinder expand due to the heat, the heat expansion amount of the inner cylinder and the middle cylinder is different due to the temperature difference, so that channel steel is distorted and deformed, bolts are easy to twist off, once the bolts are twisted off, the cylinder body loses corresponding support, the inner cylinder and the middle cylinder generate centrifugal force in the rotating process and impact collision with a fixed support, the inner cylinder and the middle cylinder generate axial deviation, the supporting structure of the three-cylinder drying machine is caused to lose effectiveness at an accelerated speed, and the service life of the three-cylinder drying machine is seriously influenced.

Disclosure of Invention

The utility model aims at overcoming not enough among the prior art, providing a three-cylinder drying-machine cylinder fixing device, including the outside of a section of thick bamboo and well section of thick bamboo set up the fixed bolster, the fixed bolster both sides are including the arc supporting part that the symmetry set up, and the supporting part has certain elastic deformation surplus, has avoided fixed bolster and inner tube or well section of thick bamboo to separate, has guaranteed the life of three-cylinder drying-machine.

In order to realize the purpose, the utility model discloses a technical scheme is:

a three-cylinder dryer roller fixing device comprises a base and a roller, wherein a motor support is arranged on one side of the upper portion of the base, a motor is arranged on the motor support, one side of the motor is connected with a speed reducer through a coupler, and one end of an output shaft of the speed reducer is connected with a gear; the base is provided with a cross beam, and the cross beam is provided with symmetrically arranged carrier rollers; the roller comprises an outer cylinder, a middle cylinder and an inner cylinder, wherein both ends of the inner cylinder are of an open structure, the left end of the middle cylinder is open, the right end of the middle cylinder is provided with a first baffle, the left end of the outer cylinder is provided with a second baffle, the right end of the outer cylinder is connected with a discharge hole (not shown in the figure), the outer cylinder is provided with a gear ring meshed with a gear, the motor drives the gear to rotate through a speed reducer, and the gear drives the gear ring to rotate so as to; the drying machine comprises an outer barrel, a middle barrel, an inner barrel, a plurality of lifting plates, a support roller, fixing rings, a plurality of lifting plates and a plurality of lifting plates, wherein the fixing rings corresponding to the support roller are arranged at two ends of the outer barrel; the utility model discloses a drying machine, including urceolus and well section of thick bamboo, be connected through fixed bolster between urceolus and the well section of thick bamboo and between well section of thick bamboo and the inner tube, the fixed bolster includes first connecting portion, second connecting portion, supporting part, first connecting portion upper end and urceolus or well section of thick bamboo inner wall fixed connection, second connecting portion lower extreme and well section of thick bamboo or inner tube outer wall fixed connection, first connecting portion and second connecting portion both ends are passed through the supporting part and are connected, the supporting part is the arc structure, has certain elastic deformation surplus, can resist the deformation that the fixed bolster that certain difference in temperature caused produced, has avoided fixed bolster and inner.

As a further optimization of the technical scheme, the inner ring and the outer ring of the fixed support are both provided with wear-resistant layers, and the wear-resistant layers enhance the wear resistance of the fixed support and prolong the service life of the fixed support.

As a further optimization of the technical scheme, the supporting part is provided with a plurality of material leaking holes which are uniformly distributed, the material leaking holes avoid the situation that the fixed support blocks materials and hot air normally advance, and the yield and the drying efficiency of the three-cylinder dryer are guaranteed.

As a further preferred option of the technical scheme, the first connecting portion and the second connecting portion are fixedly connected with the outer cylinder, the middle cylinder and the inner cylinder in a welding manner, so that the problem of failure of bolts on a traditional fixing support due to thermal deformation is avoided.

As a further preference of the technical scheme, the cross beam is provided with a limiting device, the limiting device comprises an installation bottom plate, a fixing plate and a pillar, the installation bottom plate is fixedly installed on the cross beam, the installation bottom plate is provided with a through hole, the fixing plate is provided with a fixing hole corresponding to the installation bottom plate, and the installation bottom plate and the fixing plate are fixedly connected through a bolt; the pillar is installed in the both sides of fixed plate symmetrically, the movable spacing roller of installing on the pillar, spacing roller is installed in solid fixed ring's both sides, and spacing roller is spacing solid fixed ring, has avoided the cylinder to produce the incline when the operation.

As a further optimization of the technical scheme, the fixing holes are kidney-shaped holes, so that the positions of the limiting rollers on two sides can be conveniently adjusted, and therefore the fixing rings can be better limited.

As a further optimization of the technical scheme, the lifting blade is a spiral plate, the spiral directions of the lifting blades in the inner barrel and the outer barrel are the same, and are opposite to the spiral direction of the lifting blade in the middle barrel, the rapid advance of materials is guaranteed, and the drying efficiency of the materials is improved. A

The utility model has the advantages that:

1) the fixed bolster has been set up in the outside of inner tube and well section of thick bamboo, and the fixed bolster both sides have certain elastic deformation surplus including the arc supporting part that the symmetry set up, have avoided fixed bolster and inner tube or well section of thick bamboo separation, have guaranteed three-cylinder drying-machine's life.

2) The inner ring and the outer ring of the fixing support are both provided with the wear-resistant layers, the wear-resistant layers enhance the wear resistance of the fixing support, and the service life of the fixing support is prolonged.

3) Be equipped with a plurality of hourglass material holes of evenly arranging on the supporting part, the hourglass material hole has been avoided the fixed bolster to block material and hot-blast normal marcing, has guaranteed the output and the drying efficiency of three-cylinder drying-machine.

4) First connecting portion and second connecting portion pass through welded mode and urceolus, well section of thick bamboo, inner tube fixed connection, have avoided traditional fixed bolster to go up the bolt problem that causes the inefficacy because of the heat altered shape.

5) The beam is provided with a limiting device, the limiting device comprises an installation bottom plate, a fixing plate and a pillar, the installation bottom plate is fixedly installed on the beam, the installation bottom plate is provided with a through hole, the fixing plate is provided with a fixing hole corresponding to the installation bottom plate, and the installation bottom plate and the fixing plate are fixedly connected through a bolt; the pillars are symmetrically arranged on two sides of the fixing plate, the pillars are movably provided with limiting rollers which are arranged on two sides of the fixing ring, the limiting rollers limit the fixing ring, and the roller is prevented from generating deflection when in operation.

6) The fixed orifices are waist-shaped holes, so that the positions of the limiting rollers on two sides can be conveniently adjusted, and the fixing rings can be better limited.

7) The lifting blade is the helical plate, and the spiral direction of the lifting blade in inner tube and the urceolus is the same, and is opposite with the lifting blade spiral direction in the well section of thick bamboo, has guaranteed advancing fast of material, has improved the efficiency that the material was dried.

Drawings

Fig. 1 is a schematic structural view of a roller fixing device of a three-cylinder dryer of the utility model.

Fig. 2 is a schematic view of the internal structure of the roller of the fixing device of the three-cylinder dryer of the utility model.

Fig. 3 is a schematic view of a fixing bracket structure in a drum fixing device of a three-drum dryer of the utility model.

Fig. 4 is a schematic structural view of a limiting device in a cylinder fixing device of a three-cylinder dryer of the utility model.

Fig. 5 is an installation schematic diagram of a fixing plate of a limiting device of a roller fixing device of a three-cylinder dryer of the utility model.

In the figure: 1. a base; 11. a cross beam; 12. a motor bracket; 13. a motor; 14. a speed reducer; 15. a gear; 16. a carrier roller; 2. a drum; 21. an outer cylinder; 22. a fixing ring; 23. a ring gear; 24. a middle cylinder; 25. an inner barrel; 26. a feed inlet; 27. a material raising plate; 28. fixing a bracket; 281. a first connection portion; 282. a second connecting portion; 283. a support portion; 284. a material leaking hole; 285. a wear layer; 29. a first baffle plate; 30. a second baffle; 3. a limiting device; 31. mounting a bottom plate; 32. a fixing plate; 33. a fixing hole; 34. a pillar; 35. a limiting roller;

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-5, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the 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.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

A roller fixing device of a three-cylinder dryer comprises a base 1 and a roller 2, wherein a motor support 12 is arranged on one side of the upper portion of the base 1, a motor 13 is arranged on the motor support 12, one side of the motor 13 is connected with a speed reducer 14 through a coupler, and one end of an output shaft of the speed reducer 14 is connected with a gear 15; a cross beam 11 is arranged on the base 1, and carrier rollers 16 which are symmetrically arranged are arranged on the cross beam 11; the roller 2 comprises an outer cylinder 21, a middle cylinder 24 and an inner cylinder 25, wherein both ends of the inner cylinder 25 are of an open structure, the left end of the middle cylinder 24 is open, the right end of the middle cylinder is provided with a first baffle 29, the left end of the outer cylinder 21 is provided with a second baffle 30, the right end of the outer cylinder is connected with a discharge hole (not shown in the figure), the outer cylinder 21 is provided with a gear ring 23 meshed with a gear 15, the motor 13 drives the gear 15 to rotate through a speed reducer 14, and the gear 15 drives the gear ring 23 to rotate so as to drive the; fixing rings 22 corresponding to the carrier roller 16 are arranged at two ends of the outer cylinder 21, the middle cylinder 24 is arranged inside the outer cylinder 21, the inner cylinder 25 is arranged inside the middle cylinder 24, the outer cylinder 21, the middle cylinder 24 and the inner cylinder 25 are coaxially arranged, a plurality of lifting plates 27 are arranged on the inner walls of the outer cylinder 21, the middle cylinder 24 and the inner cylinder 25, a feed inlet 26 is formed in one end of the inner cylinder 25, and materials enter the three-cylinder dryer through the feed inlet 26 to be dried; the utility model discloses a drying machine, including urceolus 21 and well section of thick bamboo 24, well section of thick bamboo 24 and inner tube 25, be connected through fixed bolster 28 between urceolus 21 and the well section of thick bamboo 24, fixed bolster 28 includes first connecting portion 281, second connecting portion 282, supporting part 283, first connecting portion 281 upper end and urceolus 21 or well 24 inner wall fixed connection of urceolus, second connecting portion 282 lower extreme and well section of thick bamboo 24 or inner tube 25 outer wall fixed connection, first connecting portion 281 and second connecting portion 282 both ends are passed through the supporting part 283 and are connected, the supporting part 283 is the arc structure, has certain elastic deformation allowance, can resist the deformation that fixed bolster 28 that certain difference in temperature caused produced, has avoided fixed bolster 28 and inner tube 25 or well section of thick bamboo 24 to separate, has guaranteed the life.

In this embodiment, as shown in fig. 3, the inner ring and the outer ring of the fixing bracket 28 are both provided with wear resistant layers 285, and the wear resistant layers 285 enhance the wear resistance of the fixing bracket 28 and prolong the service life of the fixing bracket 28.

In this embodiment, as shown in fig. 3, the supporting portion 283 is provided with a plurality of material leaking holes 284 which are uniformly arranged, and the material leaking holes 284 prevent the fixed bracket 28 from blocking the normal running of the material and the hot air, thereby ensuring the yield and the drying efficiency of the three-cylinder dryer.

In the embodiment, the first connecting portion 281 and the second connecting portion 282 are fixedly connected with the outer cylinder 21, the middle cylinder 24 and the inner cylinder 25 by welding, so that the problem of failure of bolts on the conventional fixing bracket 28 due to thermal deformation is avoided.

In this embodiment, as shown in fig. 1 and fig. 4 to 5, the cross beam 11 is provided with a limiting device 3, the limiting device 3 includes a mounting base plate 31, a fixing plate 32 and a pillar 34, the mounting base plate 31 is fixedly mounted on the cross beam 11, the mounting base plate 31 is provided with a through hole, the fixing plate 32 is provided with a fixing hole 33 corresponding to the mounting base plate 31, and the mounting base plate 31 and the fixing plate 32 are fixedly connected by a bolt; pillar 34 installs the both sides at fixed plate 32 symmetrically, the movable spacing roller 35 of installing on pillar 34, spacing roller 35 installs the both sides at solid fixed ring 22, and spacing roller 35 is spacing solid fixed ring 22, has avoided cylinder 2 to produce the skew in the operation.

In this embodiment, as shown in fig. 5, the fixing holes 33 are kidney-shaped holes, which facilitate adjusting the positions of the two side limiting rollers 35, so as to better limit the fixing ring 22.

In this embodiment, as shown in fig. 2, the material raising plate 27 is a spiral plate, the spiral directions of the material raising plates 27 in the inner cylinder 25 and the outer cylinder 21 are the same, and are opposite to the spiral direction of the material raising plate 27 in the middle cylinder 24, so that the rapid advance of the material is ensured, and the material drying efficiency is improved.

When the three-cylinder dryer is used, materials enter an inner cylinder 25 of the roller 2 from a feeding hole 26, the materials are continuously picked up and scattered by a material lifting plate 27 to advance in a spiral mode, the materials move to the other end to enter a middle cylinder 24 to be dried in a counter-current mode, the materials are continuously and repeatedly lifted in the middle cylinder 24, the materials fully absorb heat, the drying time is prolonged, the materials move to the other end to enter an outer cylinder 21 to advance to a discharging hole, and the materials are discharged from the discharging hole; the materials reaching the drying effect rapidly advance and are discharged out of the roller 2 under the action of hot air, the wet materials not reaching the drying effect cannot advance rapidly due to self weight, and the materials slowly advance in the roller 2 and are sufficiently dried, so that the drying purpose is achieved.

The inner cylinder fixing frame fixedly supports the outer cylinder 21 and the middle cylinder 24, and the middle cylinder 24 and the inner cylinder 25, is different from a traditional channel steel fixing frame, and solves the problems that a connecting bolt of the channel steel fixing frame is easy to break, channel steel is easy to distort and deform when being heated, no elastic deformation allowance is left, materials and hot air are prevented from advancing and the like under the environment of long-time heating and rotation; the service performance and the service life of the three-cylinder dryer are increased.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. A three-cylinder dryer roller fixing device comprises a base and a roller, wherein a motor support is arranged on one side of the upper portion of the base, a motor is arranged on the motor support, one side of the motor is connected with a speed reducer through a coupler, and one end of an output shaft of the speed reducer is connected with a gear; the base is provided with a cross beam, and the cross beam is provided with symmetrically arranged carrier rollers; the roller comprises an outer barrel, a middle barrel and an inner barrel, wherein both ends of the inner barrel are of an open structure, the left end of the middle barrel is open, the right end of the middle barrel is provided with a first baffle, the left end of the outer barrel is provided with a second baffle, the right end of the outer barrel is connected with a discharge hole, and the outer barrel is provided with a gear ring meshed with a gear; the two ends of the outer cylinder are provided with fixing rings corresponding to the carrier rollers, the middle cylinder is arranged in the outer cylinder, the inner cylinder is arranged in the middle cylinder, the outer cylinder, the middle cylinder and the inner cylinder are coaxially arranged, the inner walls of the outer cylinder, the middle cylinder and the inner cylinder are provided with a plurality of lifting blades, and one end of the inner cylinder is provided with a feed inlet; the outer barrel is characterized in that the outer barrel and the middle barrel are connected through a fixing support, the middle barrel and the inner barrel are connected through a fixing support, the fixing support comprises a first connecting portion, a second connecting portion and a supporting portion, the upper end of the first connecting portion is fixedly connected with the inner wall of the outer barrel or the inner wall of the middle barrel, the lower end of the second connecting portion is fixedly connected with the outer wall of the middle barrel or the outer wall of the inner barrel, the two ends of the first connecting portion and the two ends of the second connecting portion are connected through supporting portions.

2. The apparatus as claimed in claim 1, wherein the inner ring and the outer ring of the stationary frame are provided with a wear layer.

3. The device according to claim 1, characterized in that said support portion is provided with a plurality of uniformly arranged holes for the discharge of the material.

4. The drum fixing device of a three-drum dryer according to claim 1, wherein the first connecting portion and the second connecting portion are fixedly connected with the outer drum, the middle drum and the inner drum by welding.

5. The fixing device for the three-cylinder drying-machine roller according to claim 1, characterized in that the cross beam is provided with a limiting device, the limiting device comprises a mounting bottom plate, a fixing plate and a pillar, the mounting bottom plate is fixedly mounted on the cross beam, the mounting bottom plate is provided with a through hole, the fixing plate is provided with a fixing hole corresponding to the mounting bottom plate, and the mounting bottom plate and the fixing plate are fixedly connected through a bolt; the pillar is installed in the both sides of fixed plate symmetrically, the movable spacing roller of installing on the pillar, spacing roller is installed in solid fixed ring's both sides.

6. The drum fixing device of a triple-drum dryer according to claim 5, wherein said fixing hole is a kidney-shaped hole.

7. The cylinder fixing device of the three-cylinder dryer according to claim 1, wherein the material raising plate is a spiral plate, and the spiral directions of the material raising plates in the inner cylinder and the outer cylinder are the same and opposite to the spiral direction of the material raising plate in the middle cylinder.