CN216970973U

CN216970973U - Rolling type helical blade anti-arch compression roller device of horizontal shaftless screw conveyor

Info

Publication number: CN216970973U
Application number: CN202220589185.4U
Authority: CN
Inventors: 马洪泉; 姚洪恒; 王庆森; 郭永娜; 梁颖
Original assignee: Jingjin Equipment Co Ltd
Current assignee: Jingjin Equipment Co Ltd
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-07-15
Anticipated expiration: 2032-03-18

Abstract

The utility model relates to a rolling type helical blade anti-arch compression roller device of a horizontal shaftless screw conveyor, which has the key points of the innovative scheme that: the existing fixed helical blade anti-arch pressure plate device is improved into a rolling type helical blade anti-arch compression roller device which comprises a bearing box assembly and a shaft compression roller, wherein the shaft compression roller is made of stainless steel materials; the double anti-arch compression roller devices are symmetrically arranged on the upper edges of the inner walls of the two sides of the U-shaped conveying elongated slot of the conveyor, and can roll to press the shaftless spiral body in a nondestructive mode and prevent the shaftless spiral body from arching upwards, so that the friction force and the abrasion between the anti-arch compression roller devices and the spiral blades are greatly reduced; the technical problems that the spiral blade anti-arching pressing plate is fixed, the relative movement speed is high when the spiral blade anti-arching pressing plate is in contact with a spiral blade of a rotary micro-arch, the generated friction force is high, a nylon spiral pressing plate is easy to damage, the service life is short, and the spiral pressing plate is difficult to replace are solved; the performance and the anti-arch effect of the spiral compression roller device are improved, the service life of the spiral compression roller device is prolonged, the loss is reduced, the service life is prolonged, the cost is reduced, and the efficiency is improved.

Description

Rolling type helical blade anti-arch compression roller device of horizontal shaftless screw conveyor

Technical Field

The utility model belongs to the technical field of horizontal shaftless screw conveyors, and relates to a device for flattening shaftless screw blades and preventing upwarp.

Background

The screw conveyer is a device which utilizes a motor to drive a screw to rotate and push materials so as to realize the purpose of closed conveying, the materials do not rotate along with a helical blade by means of the self weight and the frictional resistance of a groove wall, and the situation is as if the nut which cannot rotate does translational motion along a rotating screw rod; the shaftless screw conveyor is a screw conveyor without a central shaft (a screw rotating shaft) and with winding resistance; the horizontal shaftless screw conveyor is a shaftless screw conveyor which conveys materials and has a horizontal or slightly inclined angle in the displacement direction; the spiral flattening device is mainly composed of a speed reducing motor, a shaftless spiral body (with a left-handed rotation direction and a right-handed rotation direction), a spiral flattening device, a U-shaped long conveying groove, a long groove cover plate, a nose thrust bearing, a motor coupler, a feed hopper and a discharge opening; the filter cake conveying device matched with the filter press is suitable for conveying viscous filter cake materials which are easy to wind in 60 meters.

The shaftless spiral body comprises a spiral blade and a short shaft head, and because the rigidity of the shaftless central shaft is poor, the spiral blade is in contact rotation with a lining plate at the bottom of the long conveying groove, and the material deposited at the bottom of the U-shaped conveying long groove is easy to jack, arch, bend and deform in the rotation process, so that the conveying effect is influenced. The spiral pressing plate device, namely the fixed spiral blade anti-arching pressing plate device, comprises a nylon spiral pressing plate and a stainless steel pressing plate bracket; the spiral flattening devices are welded on the upper edges of the inner walls of the two sides of the U-shaped conveying elongated slot at intervals, and the spiral pressing plate is in contact with the shaftless spiral blade and can flexibly press the spiral blade to prevent (limit) the shaftless spiral body from arching upwards.

The existing fixed helical blade anti-arching pressing plate device has the following defects: the spiral pressing plate devices are welded on the upper edges of the inner walls of the two sides of the U-shaped long conveying groove at intervals and are close to the shaftless spiral blade, the spiral blade anti-arching pressing plate is fixed, the relative movement speed is high when the spiral pressing plate is in contact with the spiral blade of the rotary micro-arch, the generated friction force is high, the nylon spiral pressing plate is easy to damage, and the service life is short; the space where the spiral pressing plate is located is limited, the spiral pressing plate is difficult to replace, and the spiral blade is easy to hurt people and has potential safety hazard. The shutdown maintenance of the conveyor affects the continuous production of the filter press; the reduction and the service life of the screw pressing piece are technical problems which are expected to be solved by people all the time but are not successful.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the existing fixed spiral blade arch-proof pressing plate device, solve the technical problems that the spiral blade arch-proof pressing plate is fixed, the relative movement speed is high when the spiral blade arch-proof pressing plate is contacted with a spiral blade of a rotating micro-arch, the generated friction force is high, a nylon spiral pressing plate is easy to damage, the service life is short, and the spiral pressing plate is difficult to replace, and provide the rolling type spiral blade arch-proof pressing roller device of the horizontal shaftless spiral conveyor.

The utility model solves the problems of the prior art and adopts the innovative technical scheme that: a rolling type helical blade anti-arch compression roller device (helical blade anti-arch compression roller device or helical compression roller device for short) of a horizontal shaftless screw conveyor; the main point of the general technical scheme is that compared with the prior art, the innovative general structure has the prominent substantive characteristics that: the existing fixed spiral blade anti-arch pressure plate device is improved into a rolling type spiral blade anti-arch compression roller device which comprises a bearing box assembly and a rolling type shaft compression roller (called the shaft compression roller for short), wherein the shaft compression roller is made of stainless steel materials, and the structure is simple; the double-helix blade anti-arching compression roller device is symmetrically arranged on the upper edges of the inner walls of the two sides of the U-shaped long conveying groove, and the compression roller with the shaft is close to the helix blade, so that the installation is convenient; when the shaftless spiral body of the rotary micro-arch contacts the shaft-bearing press roller, the two rotate in opposite directions, the relative movement speed is low, the generated friction force is low, the stainless steel belt shaft-bearing press roller is not easy to damage, and the stainless steel belt shaft-bearing press roller is durable in use; therefore, the technical problems that the spiral blade anti-arching pressing plate is fixed, the relative movement speed is high when the spiral blade anti-arching pressing plate is in contact with the spiral blade of the rotary micro-arch, the generated friction force is high, the nylon spiral pressing plate is easy to damage, the service life is short, and the spiral pressing plate is difficult to replace are solved.

The specific design scheme of the utility model is as follows: (1) the bearing box assembly is matched with the roll shaft and comprises a bearing box and a bearing box seat; the bearing box is arranged on the bearing box seat to form a bearing box assembly; (2) the compression roller with the shaft comprises a roller, a roller end plate and a roller shaft; the two ends of the arranged roller are provided with roller end plate grooves, the groove depth is greater than the thickness of a roller end plate, and the length of the roller is greater than the distance between adjacent rotating blades; the roller end plate is a circular ring plate with the outer diameter matched with the inner diameter of the roller end plate groove in a movable mode and is provided with a central roller shaft hole; the roll shafts are arranged and are large in the middle and small in the two ends, the shaft diameters of the two ends of each roll shaft are matched with the bearing boxes, and the length of the middle section of each roll shaft is larger than that of each roll; the double-roller end plates are respectively welded in the double-roller end plate grooves of the rollers, and the roller shafts are arranged in central roller shaft holes of the double-roller end plates to form the roller with the shaft.

The connection relation of the main parts of the utility model is as follows: for convenience of explanation, a U-shaped long conveying groove and a shaftless spiral body closely related to the spiral compression roller device are additionally arranged; (1) assembling the spiral compression roller device: the press roll with the shaft is arranged in a bearing box of the double-bearing box assembly to form a spiral press roll device; (2) assembly of the spiral compression roller device: a plurality of spiral compression roller devices are alternately and symmetrically arranged on the upper edges of the inner walls of the two sides of the U-shaped long conveying groove, and the compression roller with the shaft is close to the spiral blade; when the shaftless spiral body of the rotary micro-arch contacts the axial compression roller, the spiral compression roller device can roll to press the shaftless spiral body and prevent the shaftless spiral body from continuing to arch and being not damaged by the shaftless spiral body.

The rolling type helical blade anti-arching compression roller device of the horizontal shaftless screw conveyor has the obvious advantages of simple structure, durable steel roller, small rolling pressing friction force, small opposite rotation abrasion, loss reduction and service life extension, good anti-arching effect and convenient installation; the spiral compression element anti-arching press roll device has the advantages that the existing fixed spiral blade anti-arching press roll device is improved into a rolling type spiral blade anti-arching press roll device, so that the friction force and abrasion between the anti-arching press roll device and a shaftless spiral body are greatly reduced, the technical problem that people are expected to solve but fail to obtain a spiral compression element reduction and service life prolongation is solved, the performance and the spiral anti-arching effect of the spiral compression roll device are improved, the service life of the spiral compression roll device is prolonged, and the continuous production of a filter press unit and a conveyor thereof is guaranteed; reducing damage, prolonging life, lowering cost and improving effect.

Drawings

FIG. 1 is a schematic view of a rolling type helical blade anti-arching pressure roller device of the present invention.

FIG. 2 is a schematic view of an axial compression roller of the rolling type helical blade anti-arch compression roller device of the utility model.

FIG. 3 is a schematic cross-sectional view of a roller of the rolling type helical blade anti-arch compression roller device of the utility model.

FIG. 4 is a schematic view of a roll shaft of the rolling type helical blade anti-arch compression roller device.

FIG. 5 is a schematic view of the rolling helical blade anti-arching press roll device of the present invention and the assembly of the corresponding horizontal shaftless screw conveyor.

FIG. 6 is a right-side view of the assembly of the rolling helical blade anti-arching press roll device of the present invention and a corresponding horizontal shaftless screw conveyor.

Reference numerals: 1-bearing box component, 2-rolling type axial compression roller (called axial compression roller for short), 3-roller, 4-roller end plate, 5-roller shaft, 6-roller end plate groove, 7-rolling type helical blade anti-arch compression roller device (called helical blade anti-arch compression roller device for short or the utility model for short) of horizontal shaftless screw conveyor, 8-U-shaped conveying elongated slot and 9-shaftless spiral body (including rotary blade).

Detailed Description

The technical solution of the embodiment of the present invention will be described below with reference to the accompanying drawings of an embodiment of a rolling type helical blade anti-arch roller device of a horizontal shaftless screw conveyor of the present invention, and the described embodiment is only a part of the preferred embodiments of the present invention, but not all embodiments. All other embodiments, such as spiral-blade anti-arch roll devices with the same rolling type roll anti-arch mode and similar structures, which are not inventive by those skilled in the art, belong to the protection scope of the present invention.

Example 1

A rolling helical blade anti-arch compression roller device 7 (helical blade anti-arch compression roller device or helical compression roller device for short) of a horizontal shaftless screw conveyor; the main points of the overall embodiment of the innovation are: the existing fixed spiral blade anti-arch pressure plate device is improved into a rolling type spiral blade anti-arch compression roller device 7, which comprises a bearing box assembly 1 and a rolling type shaft compression roller 2 (called shaft compression roller for short), wherein the shaft compression roller 2 is made of stainless steel materials, and the structure is simple; the double-spiral-blade anti-arching compression roller devices 7 are symmetrically arranged on the upper edges of the inner walls of the two sides of the U-shaped long conveying groove 8, and the compression roller 2 with the shaft is close to the spiral blades 9, so that the installation is convenient; when the rotating micro-arch shaftless spiral body 9 contacts the axial compression roller 2, the two rotate oppositely, the relative movement speed is low, the generated friction force is low, the stainless steel axial compression roller 2 is not easy to damage, and the structure is durable; specific embodiments are described in detail below.

The bearing box assembly 1 is matched with the roll shaft and comprises a bearing box and a bearing box seat; the bearing box is arranged on the bearing box seat to form a bearing box assembly 1; the shaft-provided compression roller 2 is arranged in a bearing box of the double-bearing-box assembly 1 in a rolling way and is used for installing the shaft-provided compression roller 2 in a rolling way.

The compression roller 2 with the shaft comprises a roller 3, a roller end plate 4 and a roller shaft 5; the two ends of the arranged roller 3 are provided with roller end plate grooves 6, the groove depth is greater than the thickness of the roller end plate 4, and the length of the roller 3 is greater than the distance between the adjacent rotating blades 9; the arranged roller end plate 4 is a circular ring plate with the outer diameter thereof being in movable fit with the inner diameter of the roller end plate groove 6 and is provided with a central roller shaft hole; the arranged roll shafts 5 are roll shafts 5 with large middle parts and small two ends, the shaft diameters of the two ends of the roll shafts 5 are matched with the bearing boxes, and the length of the middle sections of the roll shafts 5 is larger than that of the rollers 3; the double-roller end plates 4 are respectively welded in double-roller end plate grooves 6 of the rollers 3, and the roller shafts 5 are arranged in central roller shaft holes of the double-roller end plates 4 to form the roller 2 with shafts; the axial compression roller 2 is arranged in a bearing box of the double-bearing box assembly 1 and is used for pressing the shaftless spiral body 9 in a rolling lossless mode and preventing the shaftless spiral body 9 from upwarping.

Final assembly of the spiral roller device 7: a plurality of spiral compression roller devices 7 are symmetrically arranged on the upper edges of the inner walls of two sides of the U-shaped long conveying groove 8 at intervals, and the compression roller 2 with the shaft is close to the spiral blade 9; when the shaftless spiral body 9 of the rotary micro-arch contacts the axial compression roller 2, the spiral compression roller device 7 can roll-type press the shaftless spiral body 9 and prevent the shaftless spiral body 9 from continuing to arch and not being damaged by the shaftless spiral body 9.

The rolling type helical blade anti-arching compression roller device 7 of the horizontal shaftless screw conveyor has the advantages of simple structure, durability of a steel roller, small rolling pressing friction force, small opposite rotation abrasion, loss reduction, service life extension, good anti-arching effect and convenience in installation; the technical problems that the spiral blade anti-arching pressing plate is fixed, the relative movement speed is high when the spiral blade anti-arching pressing plate is in contact with the spiral blade 9 of the rotary micro-arch, the generated friction force is high, the nylon spiral pressing plate is easy to damage, the service life is short, and the spiral pressing plate is difficult to replace are solved; the performance and the spiral anti-arching effect of the spiral compression roller device 7 are improved, the service life of the spiral compression roller device 7 is prolonged, and the continuous production of the filter press unit and the conveyor thereof is ensured; reducing loss, prolonging life, lowering cost and improving efficiency.

Example 2

A horizontal shaftless screw conveyor (abbreviated as shaftless screw conveyor), namely a horizontal shaftless screw viscous filter cake conveyor, uses the rolling type helical blade anti-arching compression roller device 7 (abbreviated as helical blade anti-arching compression roller device or helical compression roller device) of the horizontal shaftless screw conveyor provided by the utility model; the shaftless screw conveyor mainly comprises a driving speed reduction motor, a shaftless screw body 9, a U-shaped conveying elongated slot 8, a spiral press roller device 7, an elongated slot cover plate, a machine head thrust bearing, a motor coupling, a feed hopper and a discharge opening; the device is matched with a filter press for use, and can horizontally convey easily-wound viscous filter cakes in a closed manner within 60 meters. The utility model is manufactured according to the existing standard screw conveyer JB/T7679 in the mechanical industry in China.

Assembling the shaftless screw conveyor: (1) assembling non-spiral parts: the feed hopper is arranged on the right end of the U-shaped long conveying groove 8, the discharge opening is arranged below the left end of the U-shaped long conveying groove 8 (the discharge opening can be increased according to requirements), and the nose thrust bearing is arranged in the center of the head end of the U-shaped long conveying groove 8; (2) assembling the spiral and the compression roller device: the short shaft head is welded at the head end of the helical blade to form a shaftless helical body 9, and the short shaft head of the shaftless helical body 9 is arranged in a thrust bearing of the machine head (the helical blade is contacted with a wear-resistant lining plate at the bottom of the U-shaped long conveying groove 8); a plurality of spiral compression roller devices 7 are symmetrically arranged on the upper edges of the inner walls of two sides of the U-shaped long conveying groove 8 at intervals, the compression roller 2 with a shaft is close to the spiral blade 9, and a long groove cover plate covers the U-shaped long conveying groove 8; (3) the driving device is assembled: the speed reducing motor is mounted on the nose seat or the tail seat (in order to make the shaftless spiral body 9 in a favorable tension state, a driving device and a discharge port are generally arranged at the same end of the conveyor), and a motor coupling is used for connecting an output shaft of the speed reducing machine and a short shaft head of the shaftless spiral body 9.

The working principle and process of the shaftless screw conveyor are as follows: the shaftless screw conveyor is matched with a filter press for use, materials (filter cakes) are input into the U-shaped long conveying groove 8 from the feed hopper, and the speed reducing motor drives the shaftless screw body 9 to rotate; the helical blade 9 continuously pushes the material to slide towards the discharge opening, and the material can only move forwards along the bottom of the U-shaped long conveying groove 8 under the pushing of the helical blade 9 due to the gravity of the material and the friction force generated between the material and the groove wall, and the material cannot rotate along with the helical blade 9; the situation is as if the nut were only capable of translational movement along the rotating screw, but the nut was not capable of rotating with the screw; in the rotation process of the shaftless screw body 9, the material deposited at the bottom of the U-shaped material conveying elongated slot 8 jacks up the shaftless screw body 9, and the spiral compression roller device 7 rolls to press the spiral blade 9 in a lossless manner so as to prevent the shaftless screw body 9 from continuously arching upwards; the material is output from the discharge opening, so that the filter cake is conveyed in a remote closed manner; can be charged and discharged at multiple points.

The rolling type helical blade anti-arch compression roller device 7 of the horizontal shaftless helical conveyor has the advantages that the friction and abrasion between the anti-arch compression roller device 7 and the shaftless helical body 9 are greatly reduced by improving the existing fixed helical blade anti-arch compression plate device into the rolling type helical blade anti-arch compression roller device 7, the technical problem that people are eagerly solved but fail to obtain a successful helical compression piece for reducing the loss and prolonging the service life is solved, the performance and the helical anti-arch effect of the helical compression roller device 7 are improved, the service life of the helical compression roller device 7 is prolonged, and the continuous production of a filter press unit and a conveyor thereof is ensured; reducing damage, prolonging life, lowering cost and improving effect.

Claims

1. A rolling type helical blade anti-arch compression roller device of a horizontal shaftless screw conveyor comprises a bearing box assembly and a compression roller with a shaft; the method is characterized in that: the bearing box assembly is matched with the roll shaft and comprises a bearing box and a bearing box seat, and the bearing box is arranged on the bearing box seat to form the bearing box assembly; the compression roller with the shaft comprises a roller, a roller end plate and a roller shaft, and is made of stainless steel materials; the two ends of the arranged roller are provided with roller end plate grooves, the groove depth is larger than the thickness of a roller end plate, and the length of the roller is larger than the distance between adjacent rotating blades; the roller end plate is a circular ring plate with the outer diameter matched with the inner diameter of the roller end plate groove in a movable mode and is provided with a central roller shaft hole; the roll shafts are arranged and are large in the middle and small in the two ends, the shaft diameters of the two ends of each roll shaft are matched with the bearing boxes, and the length of the middle section of each roll shaft is larger than that of each roll; the interconnection relationship is: the double-roller end plates are respectively welded in double-roller end plate grooves of the rollers, and the roller shafts are arranged in central roller shaft holes of the double-roller end plates to form a roller with a shaft; the press roll with the shaft is arranged in a bearing box of the double-bearing box assembly to form a spiral press roll device; a plurality of spiral compression roller devices are alternately and symmetrically arranged on the upper edges of the inner walls of the two sides of the U-shaped long conveying groove, and compression rollers with shafts are close to the spiral blades; when the shaftless spiral body of the rotary micro-arch contacts the axial compression roller, the spiral compression roller device can roll and press the shaftless spiral body in a nondestructive mode and prevent the shaftless spiral body from continuing to arch.