CN215853488U

CN215853488U - Sectional type screw conveyer

Info

Publication number: CN215853488U
Application number: CN202121286551.0U
Authority: CN
Inventors: 周东敬; 李会民
Original assignee: Shandong Green Steel Environmental Protection Technology Co ltd
Current assignee: Shandong Green Steel Environmental Protection Technology Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2022-02-18
Anticipated expiration: 2031-06-09

Abstract

The utility model discloses a sectional type screw conveyer, which relates to the technical field of screw conveyers and comprises a shell, wherein a feed inlet and a discharge outlet are formed in the shell, a main shaft is arranged in the shell, a helical blade is arranged on the main shaft, a power assembly for driving the main shaft to rotate is further installed on the shell, two connecting shafts are respectively inserted and matched at two ends of the main shaft with gaps, the main shaft and the connecting shafts are synchronously and rotatably arranged, the two connecting shafts are rotatably connected at two ends of the shell in a sealing manner, and the connecting shafts are connected with the power assembly in a transmission manner, so that the connecting shafts and a sealing structure can stably and concentrically rotate, the problem that the end part of the main shaft is not concentric with the sealing structure due to overlong main shaft and bending of the main shaft in the rotating process is avoided, the main shaft is easy to replace, the disassembly is easy, the service life of equipment is prolonged, and the cost is saved.

Description

Sectional type screw conveyer

Technical Field

The utility model relates to the technical field of screw conveyors, in particular to a sectional type screw conveyor.

Background

The spiral conveyor has the advantages of simple structure, safe and convenient operation and low manufacturing cost, and is widely applied to horizontal or inclined conveying of various powdery or granular materials, when the conveyed object is a light dry material, no special requirement is required for sealing the shaft end of the spiral main shaft, and the use requirement can be met by a common dustproof check ring and an oil seal; however, when the conveying object is a wet material (such as a metal abrasive containing water) with a large specific gravity and the conveying distance is long, the following problems may occur when using the conventional screw conveyor: on one hand, when the conveying distance is long, the length of the spiral conveying main shaft is limited by the processing capacity, the installation condition and the like, and the longer the length is, the more difficult the size and the shape accuracy after processing are ensured; on the other hand, when the materials with large specific gravity are conveyed, the heavy-load spiral conveying main shaft can be bent to a certain degree when rotating; both of these factors can cause the end of the auger spindle to frequently experience misalignment problems with the seal, which can lead to premature failure of the end seal. In addition, the integral spiral conveying main shaft also increases a lot of difficulties for installation, later maintenance, replacement and the like of equipment.

Disclosure of Invention

Aiming at the defects, the utility model aims to provide a sectional type spiral conveyor, aiming at solving the technical problems that the end part of a spiral conveying main shaft and a sealing element are not concentric in the using process and the end part sealing is easy to lose efficacy in the prior art.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

the utility model provides a sectional type screw conveyer, includes the casing, is equipped with feed inlet and discharge gate on the casing, is equipped with the main shaft in the casing, is equipped with helical blade on the main shaft, still installs on the casing and is used for driving main shaft pivoted power component, and gapped cartridge cooperation has two connecting axles respectively in the main shaft both ends, and main shaft, connecting axle rotate the setting in step, and two connecting axle seal rotation connect in the both ends of casing, and power component is connected in the connecting axle transmission.

Preferably, the two ends of the shell are detachably connected with a packing sealing box, sealing packing is arranged in the packing sealing box, and an end pressing cover used for pressing the sealing packing and supporting the connecting shaft is detachably arranged at one end of the packing sealing box.

Preferably, the connecting shaft comprises a first connecting shaft and a second connecting shaft, the first connecting shaft is provided with a blind hole, the side part of the blind hole is provided with a notch which is distributed in the circumferential direction, the second connecting shaft is provided with a boss which is matched with the blind hole, and the second connecting shaft is further provided with a bulge which is matched with the notch.

Preferably, the helical blade includes a first helical portion and a second helical portion, the rotation directions of the first helical portion and the second helical portion are opposite, and the discharge port is correspondingly disposed at a position between the first helical portion and the second helical portion.

Preferably, the end part gland is provided with a roller bearing sleeved on the second connecting shaft, one end of the end part gland, which is far away from the main shaft, is provided with a first gland, a second gland which is pressed against the second connecting shaft is arranged in the first gland, the second gland is sleeved with a thrust bearing which is positioned in an area between the second gland and the second connecting shaft, and the second gland is in threaded connection with the second connecting shaft through a locking bolt.

Preferably, the main shaft is a thick-walled pipe, and the end part of the first connecting shaft is inserted into the inner wall of the thick-walled pipe.

Preferably, the thick-walled tube is connected to the first connecting shaft by welding.

After the technical scheme is adopted, the utility model has the beneficial effects that:

the sectional type screw conveyer comprises a shell, a feed inlet and a discharge outlet are arranged on the shell, a main shaft is arranged in the shell, a helical blade is arranged on the main shaft, a power assembly for driving the main shaft to rotate is further arranged on the shell, two connecting shafts are respectively inserted and matched at two ends of the main shaft with gaps, the main shaft and the connecting shafts are synchronously rotated and arranged, the two connecting shafts are hermetically and rotatably connected with two ends of the shell, the connecting shafts are in transmission connection with the power assembly, two ends of the shell are detachably connected with a packing sealing box, sealing packing is arranged in the packing sealing box, one end of the packing sealing box is detachably provided with an end gland for pressing the sealing packing and supporting the connecting shafts, so that the connecting shafts and the sealing structure can stably rotate concentrically, and the problem that the end of the main shaft is not concentric with the sealing structure due to overlong main shaft and the main shaft is bent in the rotating process is avoided, the replacement of the main shaft is easy to operate and disassemble, the service life of the equipment is prolonged, and the cost is saved.

Because helical blade includes first spiral portion and second spiral portion, the direction of turning of first spiral portion and second spiral portion is opposite, and the discharge gate corresponds the position that sets up between first spiral portion and second spiral portion for the material is carried to the discharge gate direction under the effect of first spiral portion, and the direction of turning of second spiral portion near the discharge gate is opposite with first spiral portion, thereby guarantees that the commodity circulation is all followed the discharge gate and is discharged.

Because the roller bearing sleeved on the second connecting shaft is arranged on the end part gland, the first gland is arranged at one end, away from the main shaft, of the end part gland, the second gland pressing against the second connecting shaft is arranged in the first gland, the thrust bearing positioned in the area between the second gland and the second connecting shaft is sleeved on the second gland positioned on the conveying direction side, the second gland and the second connecting shaft are in threaded connection through the locking bolt, the main shaft is prevented from moving outwards in the rotating process, the sealing effect is prevented from being influenced, and the service life of the device is prolonged.

Because the main shaft is thick-walled pipe, the tip of first connecting axle is pegged graft at the inner wall of thick-walled pipe, thick-walled pipe and first connecting axle welded connection for the main shaft is more stable with being connected of first connecting axle, and is reliable.

In conclusion, the utility model solves the technical problems that the end part of the spiral conveying main shaft and the sealing element are not concentric in the using process and the end part sealing is easy to lose efficacy in the prior art, the connecting shaft and the sealing structure can stably and concentrically rotate, the problem that the end part of the main shaft and the sealing structure are not concentric due to overlong main shaft and bending of the main shaft in the rotating process is avoided, the main shaft is easy to replace and disassemble, the service life of equipment is prolonged, and the cost is saved.

Drawings

FIG. 1 is a schematic view of a segmented screw conveyor according to the present invention;

fig. 2 is a schematic view of the structure of the spindle of fig. 1.

In the figure, 1-shell, 10-feed inlet, 11-discharge outlet, 2-main shaft, 20-connecting shaft, 21-first connecting shaft, 210-blind hole, 211-notch, 22-second connecting shaft, 220-boss, 221-bulge, 23-helical blade, 230-first helical part, 231-second helical part, 3-power assembly, 30-motor, 31-speed reducer, 4-packing sealing box, 5-end gland, 50-roller bearing, 51-first gland, 52-second gland, 53-thrust bearing and 54-locking bolt.

Detailed Description

The utility model is further elucidated with reference to the drawing.

The orientations referred to in the specification are based on the orientation of the segmented spiral conveyor in normal operation, and the orientations of the segmented spiral conveyor in storage and transportation are not limited, and only represent relative position relationships, but not absolute position relationships.

As shown in fig. 1 and fig. 2, the sectional screw conveyor of the present invention includes a casing 1, a feed inlet 10 and a discharge outlet 11 are provided on the casing 1, a main shaft 2 is provided in the casing 1, a helical blade 23 is provided on the main shaft 2, a power assembly 3 for driving the main shaft 2 to rotate is further installed on the casing 1, two connecting shafts 20 are respectively inserted and matched at two ends of the main shaft 2 with gaps, the main shaft 2 and the connecting shafts 20 are synchronously rotatably provided, the two connecting shafts 20 are rotatably connected to two ends of the casing 1 in a sealing manner, the connecting shafts 20 are in transmission connection with the power assembly 3, and the power assembly 3 used in the present embodiment is a motor 30 and a speed reducer 31.

Wherein, the both ends detachable of casing 1 is connected with the packing gland 4, it is concrete, the opposite side of casing 1 and packing gland 4 is equipped with the flange, packing gland 4 is installed on casing 1 through the bolt of a plurality of circumference equipartition, be equipped with the sealing filler in packing gland 4, the tip gland 5 that is used for compressing tightly the sealing filler and supports connecting axle 20 is installed to the one end detachable of packing gland 4, it is concrete, tip gland 5 is installed on packing gland 4 through the bolt of a plurality of circumference equipartition, during the use, connecting axle 20 that power component 3 drive is located power component 3 side rotates, main shaft 2 who pegs graft with connecting axle 20 rotates, connecting axle 20 that is located power component 3 opposite side rotates along with it, the rotation of connecting axle 20 is not restricted by main shaft 2, the concentric rotation of sealing filler and connecting axle 20, main shaft 2 tip and the seal structure heart that has avoided causing because main shaft 2 and main shaft 2 are buckled in the rotation process overlength are bent to main shaft 2 and sealing structure heart is heart to the rotation When the spindle is used, the spindle 2 is easy to replace and disassemble, the service life of the equipment is prolonged, and the cost is saved.

As a preferable scheme of the present embodiment, the connection shaft 20 includes a first connection shaft 21 and a second connection shaft 22, the first connection shaft 21 is provided with a blind hole 210, the side of the blind hole 210 is provided with notches 211 distributed circumferentially, the second connection shaft 22 is provided with a boss 220 matched with the blind hole 210, and the second connection shaft 22 is further provided with a protrusion 221 matched with the notch 211.

In order to ensure that all the material flows are discharged from the discharge hole 11, the spiral blade 23 includes a first spiral part 230 and a second spiral part 231, the rotating directions of the first spiral part 230 and the second spiral part 231 are opposite, and the discharge hole 11 is correspondingly arranged between the first spiral part 230 and the second spiral part 231.

As a preferable mode of the present embodiment, the end portion pressing cover 5 is provided with the roller bearing 50 fitted over the second connecting shaft 22, two roller bearings 50 are used in the present embodiment, one end of the end portion pressing cover 5 away from the main shaft 2 is provided with the first pressing cover 51, the first pressing cover 51 is provided with the second pressing cover 52 pressed against the second connecting shaft 22, the second pressing cover 52 located on the conveying direction side is fitted with the thrust bearing 53 located in the region between the second pressing cover 52 and the second connecting shaft 22, the conveying direction side in the present embodiment is the side away from the power assembly 3, the second pressing cover 52 and the second connecting shaft are screwed by the locking bolt 54, and when in use, the thrust bearing 53 prevents the main shaft 2 from shifting to the side away from the power assembly 3 in the rotation process.

In a preferred embodiment of the present invention, the main shaft 2 is a thick-walled tube, the end of the first connecting shaft 21 is inserted into the inner wall of the thick-walled tube, and the thick-walled tube is welded to the first connecting shaft 21, so that the connection between the main shaft 2 and the first connecting shaft 21 is more stable and reliable in use.

The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception, and fall within the scope of the present invention.

Claims

1. A sectional screw conveyer comprises a shell, a feed inlet and a discharge outlet are arranged on the shell, a main shaft is arranged in the shell, a screw blade is arranged on the main shaft, a power assembly for driving the main shaft to rotate is also arranged on the shell, and the sectional screw conveyer is characterized in that,

the two ends of the main shaft are respectively provided with two connecting shafts in a matched mode with gaps in an inserted mode, the main shaft and the connecting shafts are arranged in a synchronous rotating mode, the two connecting shafts are connected to the two ends of the shell in a sealing and rotating mode, and the connecting shafts are connected with the power assembly in a transmission mode.

2. The segmented screw conveyor according to claim 1, wherein a stuffing box is detachably connected to both ends of the housing, a sealing stuffing is disposed in the stuffing box, and an end gland for pressing the sealing stuffing and supporting the connecting shaft is detachably installed at one end of the stuffing box.

3. The sectional type screw conveyor according to claim 2, wherein the connecting shafts include a first connecting shaft and a second connecting shaft, the first connecting shaft is provided with a blind hole, the side portion of the blind hole is provided with notches distributed circumferentially, the second connecting shaft is provided with a boss matched with the blind hole, and the second connecting shaft is further provided with a protrusion matched with the notches.

4. The segmented spiral conveyor of claim 1, wherein the spiral blade comprises a first spiral portion and a second spiral portion, the first spiral portion and the second spiral portion are opposite in rotation direction, and the discharge port is correspondingly disposed between the first spiral portion and the second spiral portion.

5. The sectional screw conveyor according to claim 3, wherein the end pressing cover is provided with a roller bearing sleeved on the second connecting shaft, one end of the end pressing cover away from the main shaft is provided with a first pressing cover, a second pressing cover pressed against the second connecting shaft is arranged in the first pressing cover, the second pressing cover is sleeved with a thrust bearing located in an area between the second pressing cover and the second connecting shaft, and the second pressing cover is in threaded connection with the second connecting shaft through a locking bolt.

6. The segmented spiral conveyor of claim 3, wherein the main shaft is a thick-walled tube, and an end of the first connecting shaft is inserted into an inner wall of the thick-walled tube.

7. The segmented spiral conveyor of claim 6, wherein said thick-walled tube is welded to said first connecting shaft.