CN113460592A

CN113460592A - Detachable shaftless spiral body arch prevention device and horizontal shaftless spiral conveyor

Info

Publication number: CN113460592A
Application number: CN202110900755.7A
Authority: CN
Inventors: 姚洪恒; 王庆森; 郭永娜; 赵萌萌; 梁金龙
Original assignee: Jingjin Environmental Protection Inc
Current assignee: Jingjin Environmental Protection Inc
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2021-10-01

Abstract

The invention discloses a detachable shaftless spiral body arch prevention device and a horizontal shaftless spiral conveyor, wherein the arch prevention device comprises a humanoid mounting plate, a panel bracket, a spiral pressing plate and a pressing plate baffle; the key points of the innovative scheme are as follows: (1) the integral bolt connection installation mode is improved, so that the spiral anti-arch device can be disassembled, and the shaftless spiral body is convenient to maintain and replace; (2) the connection mode of the concave-convex embedded spiral pressing plates is innovated, so that the spiral pressing plates can be drawn out from the panel bracket, and the spiral pressing plates are convenient to replace; (3) the wear-resistant nylon pressing plate is preferably selected to replace the original stainless steel pressing plate, so that the friction noise of the shaftless spiral body and the spiral pressing plate is effectively reduced; can flexibly press the helical blade and prevent the shaftless helical body from arching upwards in the rotating process. The shaftless screw conveyor uses the arch prevention device to solve the technical problems that the non-detachable screw flattening device prevents the maintenance and replacement of the shaftless screw body and the friction noise of the shaftless screw body and the stainless steel screw flattening plate exceeds the standard; environmental protection, standard reaching, modification and efficiency improvement.

Description

Detachable shaftless spiral body arch prevention device and horizontal shaftless spiral conveyor

Technical Field

The invention belongs to the technical field of horizontal shaftless screw conveyors, and relates to a device for preventing flexible flat shaftless screws from arching.

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 with no central shaft (screw rotating shaft) and winding resistance; the horizontal shaftless screw conveyor is a shaftless screw conveyor which conveys materials and has horizontal or slightly inclined displacement direction; the spiral flattening device mainly comprises 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 wear-resistant elongated slot, an elongated slot cover plate, a nose thrust bearing, a motor coupling, a feed hopper and a discharge opening; the filter cake conveying equipment is matched with a filter press and 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 groove, and the rotary process is easy to be jacked, arched and deformed by materials deposited at the bottom of the U-shaped wear-resistant long groove, so that the conveying effect is influenced. The spiral flattening device comprises a spiral flattening plate and a flattening plate bracket, and is made of stainless steel materials; the spiral flattening devices are welded on the upper edges of the inner walls of the two sides of the U-shaped long groove at intervals, the spiral flattening plates are close to the shaftless spiral body, and can flexibly press the spiral blades and effectively prevent (limit) the shaftless spiral body from upwarping.

The existing spiral flattening device has the following defects: (1) the existing spiral flattening device is an unremovable flattening device, is welded on the upper edges of the inner walls of two sides of a U-shaped wear-resistant long groove and is positioned above a shaftless spiral body, and the shaftless spiral body is a vulnerable part and is blocked by the spiral flattening device, so that the maintenance or replacement is very difficult, and the production efficiency is influenced; (2) the existing spiral flattening device is a stainless steel flattening device, a shaftless spiral body rotates, and the friction noise of the shaftless spiral body and a spiral flattening plate exceeds the standard, so that the field environment is influenced; the technical problem to be solved by the user of the shaftless screw conveyor is urgently required.

Disclosure of Invention

The invention aims to overcome the defects of the existing spiral flattening device, solve the technical problems that the non-detachable spiral flattening device prevents the maintenance and replacement of shaftless spiral bodies and the friction noise of the shaftless spiral flattening plate exceeds the standard, and provide a detachable shaftless spiral body arch prevention device and a horizontal shaftless spiral conveyor; the invention relates to a horizontal shaftless screw conveyor, in particular to a horizontal shaftless screw conveyor with a detachable shaftless screw anti-arch device, which is shortened for short due to limited characters of patent names.

The invention solves the problems of the prior art and adopts the innovative technical scheme that: a detachable shaftless spiral body arch prevention device (hereinafter referred to as spiral arch prevention device) mainly comprises an arch prevention device bracket and a spiral pressing plate; the anti-arch device bracket is a detachable anti-arch device bracket and comprises a humanoid mounting plate, a panel bracket and a pressing plate baffle; 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: (1) improve whole mounting means: the integral welding mode is improved into a bolt connection mode, and the spiral anti-arch device is detachable, so that the shaftless spiral body is convenient to maintain and replace; (2) improving the connection mode of the spiral pressing plate: the welding mode of the spiral pressing plate and the support is improved into a concave-convex embedded connection mode, and the spiral pressing plate can be drawn out from the panel support, so that the spiral pressing plate is convenient to replace; (3) the preferable spiral pressing plate material: the wear-resistant nylon pressing plate is preferably selected to replace the original stainless steel pressing plate, so that the friction noise of the shaftless spiral body and the spiral pressing plate is effectively reduced, and the wear of the spiral blades is reduced; therefore, the technical problems that the non-detachable spiral flattening device can prevent the maintenance and replacement of the shaftless spiral body and the friction noise of the shaftless spiral body and the stainless steel spiral flattening plate exceeds the standard are solved.

The specific design scheme is as follows: the human-shaped mounting plate is a mounting plate with an included angle of 100 degrees, is provided with three corresponding bracket mounting holes and wrench holes, and has the length larger than the screw pitch of the screw; the panel support is a pi-shaped support, double panel convex ribs matched with the pressing plate grooves are symmetrically arranged on the inner lower surface of the support, and the opening degree of the support corresponds to the width of the spiral pressing plate; the spiral pressing plate is a wear-resistant nylon pressing plate, pressing plate grooves matched with the convex ribs of the panel are formed in the two sides of the spiral pressing plate, the length of the spiral pressing plate corresponds to that of the humanoid mounting plate, and the width of the spiral pressing plate corresponds to the opening degree of the panel support; the pressing plate baffle is a pentagonal baffle, a triangle matched with the end face of the humanoid mounting plate is arranged on the upper surface of the pentagonal baffle, an inverted trapezoid is arranged on the lower surface of the pentagonal baffle, and the height of the trapezoid is smaller than that of the panel support; except the spiral pressing plate, other parts are made of stainless steel materials.

The connection relation of the main parts is as follows: for convenience of explanation, a U-shaped wear-resistant elongated slot closely related to the spiral anti-arch device is additionally arranged; (1) assembling the spiral anti-arch device: the human-shaped mounting plate is welded on the panel support, the pressure plate baffle is welded at one end of the human-shaped mounting plate (capable of blocking the spiral pressure plate from sliding out), the spiral pressure plate is embedded on the panel convex rib of the panel support, and the spiral pressure plate can be drawn out from one end of the panel support; (2) the general assembly of the spiral anti-arch device and the horizontal shaftless spiral conveyor is as follows: after the shaftless spiral body is installed, a plurality of spiral anti-arch devices are alternately installed on the upper edges of the inner walls of the two sides of the U-shaped wear-resistant long groove, the pressing plate baffle faces the tail side of the machine, the spiral pressing plate is close to the shaftless spiral body, and the spiral blades can be flexibly pressed to prevent the shaftless spiral body from arching in the rotating process.

The invention also provides a horizontal shaftless screw conveyor, namely a horizontal shaftless screw viscous filter cake conveyor, and the detachable shaftless screw anti-arch device provided by the invention is used; the horizontal shaftless screw conveyor mainly comprises a speed reducing motor, a shaftless screw body, a U-shaped wear-resistant elongated slot, a screw arch prevention device, 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 detachable shaftless spiral body arch prevention device and the horizontal shaftless spiral conveyor have the remarkable advantages of simple structure, arch prevention, noise reduction, blade abrasion reduction and convenience in disassembly and assembly; the beneficial effects are as follows: (1) the spiral anti-arch device is detachable by improving the installation mode of integral bolt connection, so that the maintenance and the replacement of the shaftless spiral body are convenient; (2) the spiral pressing plate can be drawn out from the panel bracket by improving the connection mode of the spiral pressing plate which is embedded in a concave-convex manner, so that the spiral pressing plate is convenient to replace; (3) the friction noise of the shaftless spiral body and the spiral pressing plate is effectively reduced by preferably selecting the wear-resistant nylon pressing plate to replace the original stainless steel pressing plate; the maintenance and replacement work efficiency of the easily damaged part is improved, and noise pollution is eliminated; environmental protection, standard reaching, modification and efficiency improvement.

Drawings

Fig. 1 is a schematic perspective view of a detachable shaftless spiral body arch prevention device of the present invention.

FIG. 2 is a schematic front view of the detachable shaftless spiral body arch-preventing device of the present invention.

FIG. 3 is a left and right side view of the detachable shaftless spiral body arch prevention device of the present invention.

Fig. 4 is a schematic view of a panel bracket of the detachable shaftless spiral anti-arch device of the present invention.

FIG. 5 is a schematic view of a blade pressing plate of the detachable shaftless spiral body anti-arch device of the present invention.

Fig. 6 is a schematic view of the assembly section of the detachable shaftless spiral body arch prevention device and the horizontal shaftless spiral conveyor (i.e. a schematic view of the connection relationship between the spiral arch prevention device, the U-shaped wear-resistant elongated slot and the shaftless spiral body).

Fig. 7 is a schematic view of the horizontal shaftless screw conveyor assembly of the present invention.

Reference numerals: 1-a herringbone mounting plate, 2-a panel support, 3-a spiral pressing plate, 4-a pressing plate baffle, 5-a support mounting hole, 6-a wrench hole, 7-a panel convex rib, 8-a pressing plate groove, 9-a detachable shaftless spiral body arch prevention device (a spiral arch prevention device or the invention for short), 10-a U-shaped wear-resistant elongated slot, 11-a shaftless spiral body, 12-a speed reducing motor, 13-a feed hopper and 14-a discharge opening.

Detailed Description

The technical solution of the present invention will be described below with reference to the accompanying drawings in the embodiments of the detachable shaftless screw anti-arch device and the horizontal shaftless screw conveyor of the present invention, and the described embodiments are only some preferred embodiments of the present invention, but not all embodiments. All other embodiments, such as the shaftless spiral anti-arch device with the same anti-arch noise reduction mode and the similar structure, which are made by the person skilled in the art without the inventive concept belong to the protection scope of the present invention.

Example 1

A detachable shaftless spiral body arch prevention device 9 (spiral arch prevention device for short) mainly comprises an arch prevention device bracket and a spiral pressing plate 3; the anti-arch device bracket is a detachable anti-arch device bracket and comprises a humanoid mounting plate 1, a panel bracket 2 and a pressing plate baffle 4; the main points of the overall embodiment of the innovation are: (1) improve whole mounting means: the integral welding mode is improved into a bolt connection mode, and the spiral anti-arch device 9 is detachable, so that the shaftless spiral body 9 is convenient to maintain and replace; (2) the connection mode of the spiral pressing plate 3 is improved: the welding mode of the spiral pressing plate 3 and the support is improved into a concave-convex embedded connection mode, and the spiral pressing plate 3 can be drawn out from the panel support 2, so that the spiral pressing plate 3 is convenient to replace; (3) the preferable spiral pressing plate 3 is made of: the wear-resistant nylon pressing plate is preferably selected to replace the original stainless steel pressing plate, so that the friction noise of the shaftless spiral body 11 and the spiral pressing plate 3 is effectively reduced, the wear of the spiral blades is reduced, and the service life of the spiral blades is prolonged; except the spiral pressing plate 3, other parts are made of stainless steel materials; specific embodiments are described in detail below.

The humanoid mounting plate 1 is a mounting plate with an included angle of 100 degrees, is provided with three corresponding bracket mounting holes 5 and wrench holes 6, and has the length larger than the screw pitch of the shaftless spiral body 11; the humanoid mounting plate 1 is welded on the panel support 2 and is used for integrally mounting the spiral anti-arch device 9 on the upper edges of the inner walls of the two sides of the U-shaped wear-resistant long groove 10.

The panel support 2 is a pi-shaped support, double panel convex ribs 7 which are symmetrically matched with the pressing plate grooves 8 are arranged on the inner lower surface of the support, and the opening degree of the support corresponds to the width of the spiral pressing plate 3; the panel bracket 2 is welded with the humanoid mounting plate 1 and is used for embedding the spiral pressure plate 3 (the panel convex rib 7 is embedded with the pressure plate groove 8 in a concave-convex manner).

The spiral pressing plate 3 is a wear-resistant nylon pressing plate, pressing plate grooves 8 matched with the panel convex ribs 7 are formed in the two sides of the spiral pressing plate, the length of the spiral pressing plate corresponds to that of the humanoid mounting plate 1, and the width of the spiral pressing plate corresponds to the opening degree of the panel support 2; the spiral pressing plate 3 is embedded on the panel convex rib 7 of the panel support 2, and the spiral pressing plate 3 can be drawn out from one end of the panel support 2; for pressing the helical blades to prevent (limit) the shaftless helical body 11 from arching upwards.

The pressing plate baffle is a pentagonal baffle, a triangle matched with the end face of the humanoid mounting plate is arranged on the upper surface of the pentagonal baffle, an inverted trapezoid is arranged on the lower surface of the pentagonal baffle, and the height of the trapezoid is smaller than that of the panel support; the pressing plate baffle is welded at one end of the humanoid mounting plate (the pressing plate baffle faces the tail side of the machine during final assembly) and is used for blocking the spiral pressing plate from sliding out.

The assembly of the spiral anti-arch device 9 and the horizontal shaftless spiral conveyor is as follows: after the shaftless spiral body 11 is installed, a plurality of spiral anti-arch devices 9 are alternately installed on the upper edges of the inner walls of the two sides of the U-shaped wear-resistant elongated slot 10, the pressing plate baffle 4 faces the tail side of the machine, the spiral pressing plate 3 approaches the shaftless spiral body 11, and the spiral blades can be flexibly pressed to prevent the shaftless spiral body 11 from arching in the rotating process.

The detachable shaftless spiral body arch prevention device 9 provided by the invention has the advantages of simple structure, arch prevention, noise reduction, blade abrasion reduction and convenience in disassembly and assembly; the technical problems that the non-detachable spiral flattening device can prevent the shaftless spiral body 11 from being maintained and replaced and the friction noise of the shaftless spiral body 11 and the stainless steel spiral flattening plate exceeds the standard are solved; the maintenance and replacement work efficiency of the easily damaged part is improved, and noise pollution is eliminated; environmental protection, standard reaching, modification and efficiency improvement.

Example 2

A horizontal shaftless screw conveyor (abbreviated as shaftless screw conveyor), namely a horizontal shaftless screw viscous filter cake conveyor, uses the detachable shaftless screw anti-arch device 9 (abbreviated as screw anti-arch device) provided by the invention; the shaftless screw conveyor mainly comprises a speed reducing motor 12, a shaftless screw body 11, a U-shaped wear-resistant elongated slot 10, a screw arch prevention device 9, an elongated slot cover plate, a machine head thrust bearing, a motor coupling, a feed hopper 13 and a discharge opening 14; 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 invention is manufactured according to the current standard of screw conveyer JB/T7679 in the mechanical industry in China.

Assembling the shaftless screw conveyor: (1) assembling non-spiral parts: the feed hopper 13 is arranged on the right end of the U-shaped wear-resistant elongated slot 10, the discharge opening 14 is arranged below the left end of the U-shaped wear-resistant elongated slot 10 (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 wear-resistant elongated slot 10; (2) assembling the spiral and the anti-arch device thereof: the short shaft head is welded at the head end of the helical blade to form a shaftless helical body 11, and the short shaft head of the shaftless helical body 11 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 wear-resistant elongated slot 10); a plurality of spiral anti-arch devices 9 are alternately arranged on the upper edges of the inner walls of two sides of the U-shaped wear-resistant long groove 10, the pressure plate baffle 4 faces the tail side of the machine, the spiral pressure plate 3 approaches the shaftless spiral body 11, and the long groove cover plate covers the U-shaped wear-resistant long groove 10; (3) the driving device is assembled: the speed reducing motor 12 is mounted on the machine head seat or the machine tail seat (in order to make the shaftless screw body 11 in a favorable tension state, the driving device and the discharge opening 14 are generally arranged at the same end of the conveyor), and the output shaft of the speed reducing motor 12 and the short shaft head of the shaftless screw body 11 are connected by a motor coupling.

The working principle and process of the shaftless screw conveyor are as follows: the spiral conveyer is used with the filter press, the supplies (filter cake) are input into the wear-resisting elongated slot 10 of U-shape from the feeder hopper 13, the deceleration motor 12 drives the shaftless helicoid 11 to rotate; the helical blade continuously pushes the material to slide towards the discharge opening 14, and the material can only move forwards along the bottom of the U-shaped wear-resistant elongated slot 10 under the pushing action of the helical blade due to the gravity of the material and the friction force generated between the material and the slot wall, and the material cannot rotate along with the helical blade; the situation is as if the nut had only translational movement along the rotating screw, but the nut could not rotate with the screw; in the rotation process of the shaftless spiral body 11, the material deposited at the bottom of the U-shaped wear-resistant elongated slot 10 jacks up the shaftless spiral body 11, and the spiral anti-arch device 9 flexibly presses the spiral blade to prevent the shaftless spiral body 11 from arching upwards; the material is output from the discharge opening 14, so that the filter cake is conveyed in a closed manner at a long distance; can be charged and discharged at multiple points.

The invention provides a horizontal shaftless screw conveyor, which has the beneficial effects that: (1) the spiral anti-arch device 9 is detachable by improving the installation mode of integral bolt connection, so that the shaftless spiral body 11 is convenient to maintain and replace; (2) the spiral pressing plate 3 can be drawn out from the panel bracket 2 by improving the connection mode of the spiral pressing plate 3 which is embedded in a concave-convex manner, so that the spiral pressing plate 3 is convenient to replace; (3) the friction noise of the shaftless spiral body 11 and the spiral pressing plate 3 is effectively reduced and the abrasion of the spiral blade is reduced by preferably selecting the abrasion-resistant nylon pressing plate to replace the original stainless steel pressing plate; the maintenance and replacement work efficiency of the easily damaged part is improved, and noise pollution is eliminated; the requirement of arch prevention and noise reduction of a user of the shaftless screw conveyor is met, the environment is protected, the standard is reached, and the improvement and the efficiency are improved.

Claims

1. A detachable shaftless spiral body arch prevention device comprises a humanoid mounting plate, a panel bracket, a spiral pressing plate and a pressing plate baffle; the method is characterized in that: the human-shaped mounting plate is a mounting plate with an included angle of 100 degrees, is provided with three corresponding bracket mounting holes and wrench holes, and has the length larger than the screw pitch of the screw; the panel support is a pi-shaped support, double panel convex ribs matched with the pressing plate grooves are symmetrically arranged on the inner lower surface of the support, and the opening degree of the support corresponds to the width of the spiral pressing plate; the spiral pressing plate is a wear-resistant nylon pressing plate, pressing plate grooves matched with the convex ribs of the panel are formed in the two sides of the spiral pressing plate, the length of the spiral pressing plate corresponds to that of the humanoid mounting plate, and the width of the spiral pressing plate corresponds to the opening degree of the panel support; the pressing plate baffle is a pentagonal baffle, a triangle matched with the end face of the humanoid mounting plate is arranged on the upper surface of the pentagonal baffle, an inverted trapezoid is arranged on the lower surface of the pentagonal baffle, and the height of the trapezoid is smaller than that of the panel support; except the spiral pressing plate, other parts are made of stainless steel materials; the interconnection relationship is: the human-shaped mounting plate is welded on the panel support, the pressure plate baffle is welded at one end of the human-shaped mounting plate and can prevent the spiral pressure plate from sliding out, the spiral pressure plate is embedded on the panel convex rib of the panel support, and the spiral pressure plate can be drawn out from one end of the panel support; the spiral anti-arch devices are alternately arranged on the upper edges of the inner walls of the two sides of the U-shaped wear-resistant long groove, the pressing plate baffle faces the tail side of the machine, the spiral pressing plate is close to the shaftless spiral body, and the spiral anti-arch device can flexibly press the spiral blades and prevent the shaftless spiral body from arching in the rotating process.

2. A horizontal shaftless screw conveyor, namely a horizontal shaftless screw viscous filter cake conveyor, comprises a speed reducing motor, a shaftless screw body, a U-shaped wear-resistant elongated slot, a screw anti-arch device, an elongated slot cover plate, a machine head thrust bearing, a motor coupling, a feed hopper and a discharge opening; the method is characterized in that: the spiral anti-arch device is a detachable shaftless spiral body anti-arch device according to claim 1; the shaftless screw conveyor is matched with a filter press for use, and can horizontally convey easily-wound viscous filter cakes in a closed manner within 60 meters.