CN112871621B

CN112871621B - Conveying device adopting double-layer belt conveying

Info

Publication number: CN112871621B
Application number: CN202110164195.3A
Authority: CN
Inventors: 张颖; 赵京鹤; 姜波
Original assignee: Changchun University
Current assignee: Changchun University
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2022-02-22
Anticipated expiration: 2041-02-05
Also published as: CN112871621A

Abstract

The utility model relates to a conveying device which is conveyed by double-layer belts, and relates to a conveying device. The lower shaft and the two upper shafts are fixed between the two side vertical plates of the conveying bed frame. The upper shaft rotates and installs the roller. The belt is set between the two rollers. The roller at the rear is fixed with an additional sprocket, and the lower shaft is rotated and installed. The driven sprocket, the driving motor is fixed at the front end of the side vertical plate, the output shaft is fixed The driving sprocket and the driven sprocket are driven by the chain, and the additional sprocket is engaged on the chain, the chute of the screening mechanism is set under the belt, the slider The sliding block is slidably installed on the chute and suspended with a counterweight block. The sliding block has a concave installation cavity. The telescopic block is inserted into the installation cavity and is supported by a compression spring. Move the button, a separating piece is fixed at the corresponding position of the chute, and two L-shaped bracket rods are fixed on both sides of the slider and the height-limiting screening plate is fixed. The movement of the belt is controlled by the chain, and it cooperates with the screening mechanism to achieve high sorting effect, and the structure is simple.

Description

Conveying device adopting double-layer belt conveying

Technical Field

The invention relates to a conveying device, in particular to a conveying device adopting double-layer belt conveying, and belongs to the technical field of mechanical conveying equipment.

Background

The main transmission structure of the double-layer belt transmission equipment is that a belt is sleeved between two rollers fixed in position, and one of the rollers is controlled to rotate by a driving motor.

However, with the gradual increase of the material classification requirement in production and processing, the existing double-layer belt conveying equipment is difficult to be applied independently, and needs to be matched with some special material sorting equipment, but the material sorting equipment is high in cost, and for the condition that only high sorting is needed, the matched expensive material sorting equipment is not worth enough. Therefore, it is highly desirable to optimize the structure of the existing double-layer belt conveying equipment, so that the structure is simple and effective while the high sorting effect is realized, and the cost is controlled.

Disclosure of Invention

In order to solve the defects in the prior art, the invention provides a conveying device adopting double-layer belt conveying, which controls the movement of a belt on one hand through a chain, controls a sliding block to move forwards circularly through additionally arranging a toggle button to be matched with a screening mechanism on the other hand, realizes a height sorting effect through the reverse movement of a height limiting screening plate and the belt, and has a simple and effective structure.

In order to achieve the purpose, the invention adopts the following technical scheme: a conveying device adopting double-layer belt conveying comprises a conveying bed frame, a screening mechanism, a belt and a chain, wherein the conveying bed frame comprises a driving motor, two side vertical plates and two rollers, the two side vertical plates are arranged in parallel at the left and right, four supporting legs are fixed on the outer sides of the two side vertical plates, two upper shaft rods are fixed at the front end and the rear end of the two side vertical plates in parallel, the rollers are respectively rotatably installed on the two upper shaft rods, the belt is sleeved between the two rollers, an additional chain wheel is coaxially fixed at one end of the roller positioned at the rear end, a lower shaft rod is fixed at the rear end of the position between the two side vertical plates, a driven chain wheel is rotatably installed on the lower shaft rod, the driving motor is transversely fixed at the front end of the side vertical plates and is positioned at the same side with the additional chain wheel and the driven chain wheel, a driving chain wheel is fixed on an output shaft of the driving motor, and the driving chain wheel is in chain transmission with the driven chain wheel, and an additional chain wheel is occluded at the position close to the rear end above the chain, the screening mechanism comprises a sliding chute, a sliding block, a balancing weight, a height-limiting screening plate and two L-shaped support rods, the sliding chute is arranged below the belt along the front-rear direction, the sliding chute is fixed between the two side vertical plates through a connecting sheet, the rear end of the sliding chute is fixed with a cross beam, a pulley is fixed at the middle position of the rear end of the cross beam, the sliding block is slidably arranged on the sliding chute, the rear end of the sliding block bypasses the pulley through a connecting rope to be hung with the balancing weight, the middle position of the same side of the sliding block and the chain is concavely provided with an installation cavity, the inner end of the installation cavity is provided with a round hole to penetrate through the opposite side of the sliding block, the telescopic block is inserted in the installation cavity, the inner end of the telescopic block is fixed with a limiting shaft, the limiting shaft extends out of the round hole and is fixed with a limiting sheet, a pressure spring is supported between the telescopic block and the round hole, the outer end of the telescopic block is positioned on the motion track of the chain and is provided with a guide slope surface, it can circulate and promote flexible piece and make the slider move forward to be fixed with the stirring button on the chain, and the spout corresponds the position and is fixed with the spacer, the spacer is equipped with and makes flexible piece can overcome pressure spring elasticity and inwards contract with flexible piece complex guide domatic to the spacer position is higher than stirring the button and makes it can follow the bottom process, two L shape cradling pieces relatively fixed are in the slider left and right sides and extend the belt top, limit for height the screening plate to be fixed between the vertical support arm of two L shape cradling pieces.

Compared with the prior art, the invention has the beneficial effects that: the screening mechanism is additionally arranged on the basis of the existing double-layer belt conveying equipment, the structure is simple and effective, the driving motor can control the movement of the belt through the chain on one hand, and on the other hand, the toggle button additionally arranged on the chain is matched with the sliding block of the screening mechanism to control the sliding block to move forwards circularly, so that the reverse movement of the height-limiting screening plate and the belt is realized, the height sorting effect is completed, the production and the manufacture are easy, and the popularization and the use are convenient.

Drawings

FIG. 1 is an isometric view of the overall construction of the conveyor of the present invention utilizing a double belt conveyor;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an isometric view of the transport bed frame of the present invention;

figure 4 is an isometric view of the screening mechanism of the present invention.

Detailed Description

The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the invention, rather than all embodiments, and all other embodiments obtained by those skilled in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

A conveying device adopting double-layer belt conveying is shown in figures 1-4 and comprises a conveying bed frame, a screening mechanism, a belt 6 and a chain 7;

referring to fig. 3, the conveying bed frame comprises a driving motor 5, two side vertical plates 1 and two rollers 2, the two side vertical plates 1 are arranged in parallel from left to right, four legs 1-1 are fixed on the outer sides of the two side vertical plates 1, two upper shaft rods 1-2 are fixed between the two side vertical plates 1 at the front end and the rear end in parallel, a lower shaft rod 1-3 is fixed at the rear end between the two side vertical plates 1, so that the two side vertical plates 1 are stably connected through the lower shaft rod 1-3 and the two upper shaft rods 1-2, the basic form of the conveying bed frame is formed by combining the four legs 1-1, the rollers 2 are respectively rotatably installed on the two upper shaft rods 1-2, a belt 6 is sleeved between the two rollers 2 and used for material transportation, an additional chain wheel 3 is coaxially fixed at one end of the roller 2 located at the rear end, and a driven chain wheel 4 is rotatably installed on the lower shaft rod 1-3, the driving motor 5 is transversely fixed at the front end of the side vertical plate 1 and is positioned at the same side as the additional chain wheel 3 and the driven chain wheel 4, the output shaft of the driving motor 5 fixes the driving chain wheel 5-1, the driving chain wheel 5-1 and the driven chain wheel 4 are driven by the chain 7, and the additional chain wheel 3 is meshed above the chain 7 and is adjacent to the rear end position, so that the additional chain wheel 3 can provide power for the movement of the belt 6;

referring to fig. 4, the screening mechanism includes a chute 8, a sliding block 10, a counterweight 11, a height-limiting screening plate 13 and two L-shaped support rods 12, the chute 8 is arranged below the belt 6 along the front-back direction, the chute 8 is fixed between two side vertical plates 1 through a connecting sheet 8-2, a beam 9 is fixed at the rear end of the chute 8 to prevent the sliding block 10 from being separated, a pulley 9-1 is fixed at the middle position of the rear end of the beam 9, the sliding block 10 is slidably mounted on the chute 8, the counterweight 11 is suspended at the rear end of the sliding block 10 by a connecting rope around the pulley 9-1 to provide backward tension for the sliding block 10, a mounting cavity is concavely arranged at the middle position of the same side of the sliding block 10 and the chain 7, a circular hole is arranged at the inner end of the mounting cavity and penetrates through the opposite side of the sliding block 10, the telescopic block 10-1 is inserted in the mounting cavity, and a limiting shaft 10-2 is fixed at the inner end of the telescopic block, the limiting shaft 10-2 extends out of the round hole and is fixed with a limiting piece 10-4, the limiting piece 10-4 prevents the telescopic block 10-1 from extending too long to influence the running of the chain 7, the toggle button 7-1 can stably support the telescopic block 10-1, a pressure spring 10-3 is supported between the telescopic block 10-1 and the round hole to provide elasticity for the telescopic block 10-1 to realize the telescopic effect, the outer end of the telescopic block 10-1 is positioned on the motion track of the chain 7 and is provided with a guide slope surface which is inclined at 45 degrees, the toggle button 7-1 is fixed on the chain 7 and can circularly push the telescopic block 10-1 to enable the sliding block 10 to move forwards, a separating piece 8-1 is fixed at the corresponding position of the sliding chute 8, the separating piece 8-1 is provided with a guide slope surface matched with the telescopic block 10-1 to enable the telescopic block 10-1 to overcome the inward elastic contraction of the pressure spring 10-3, the position of the separating sheet 8-1 is higher than that of the toggle button 7-1, so that the separating sheet can pass through the bottom, the telescopic block 10-1 is retracted inwards to be separated from the toggle button 7-1, the sliding block 10 is pulled back backwards under the action of the gravity of the balancing weight 11, the sliding block 10 can be pushed forwards when the next toggle button 7-1 moves to the position of the telescopic block 10-1, the circulation effect is achieved, the two L-shaped support rods 12 are relatively fixed on the left side and the right side of the sliding block 10 and extend above the belt 6, the height-limiting screening plate 13 is fixed between the vertical support arms of the two L-shaped support rods 12, and materials higher than the lower end of the height-limiting screening plate 13 can be pushed away from the belt 6 through the height-limiting screening plate 13 when the sliding block 10 moves;

referring to fig. 1, when the upper half of the chain 7 moves from back to front, the sliding block 10 is driven to move from back to front until the telescopic block 10-1 is separated from the toggle button 7-1, so that the sliding block 10 returns to the rear end under the action of the counterweight block 11, and the additional chain wheel 3 rotates anticlockwise under the drive of the chain 7, so that the upper half of the belt 6 moves from front to back, the direction of conveying materials in the upper half of the belt 6 is opposite to the pushing direction of the height limiting screening plate 13, and the sorting effect is better realized;

as shown in fig. 1, vertical slideways are respectively arranged on the inner sides of the vertical supporting arms of the two L-shaped supporting rods 12, the height-limiting screening plate 13 is inserted between the two vertical slideways, a plurality of fastening bolts are respectively arranged on the vertical supporting arms of the two L-shaped supporting rods 12 at intervals, and the height-limiting screening plate 13 is fastened and positioned by the fastening bolts, so that sorting with different height requirements can be realized by changing the height position of the height-limiting screening plate 13;

referring to fig. 1 and 3, two blocking pieces 1-4 are arranged on the conveying bed frame and positioned outside the vertical support arms of the two L-shaped support rods 12, and the two blocking pieces 1-4 are respectively connected and fixed with the corresponding side vertical plates 1 through connecting rods, so that the materials are prevented from falling from two sides of the belt 6 when the height limiting screening plate 13 pushes the materials;

as shown in fig. 1, the vertical support arms of the two L-shaped support rods 12 are respectively provided with scale marks, so that the height position of the height-limiting screening plate 13 can be conveniently and accurately adjusted.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A conveying device using double-layer belt transmission, characterized in that: it comprises a conveying bed frame, a screening mechanism, a belt (6) and a chain (7), and the conveying bed frame comprises a driving motor (5), two side frames A vertical plate (1) and two rollers (2), the two side vertical plates (1) are arranged side by side on the left and right, the outer sides of the two side vertical plates (1) are fixed with four outriggers (1-1), and the two side vertical plates (1) are Two upper shaft rods (1-2) are fixed in parallel at the front and rear ends of the vertical plate (1). The two upper shaft rods (1-2) are respectively rotated and installed with rollers (2). The two rollers (2) A belt (6) is set between them, an additional sprocket (3) is coaxially fixed at one end of the roller (2) at the rear end, and a lower shaft (1-3) is fixed at the rear end between the two side uprights (1). The driven sprocket (4) is rotatably installed on the lower shaft (1-3), and the drive motor (5) is laterally fixed on the front end of the side vertical plate (1) and is connected with the additional sprocket (3) and the driven sprocket (3). The driving sprocket (4) is located on the same side, the output shaft of the driving motor (5) fixes the driving sprocket (5-1), and a chain passes between the driving sprocket (5-1) and the driven sprocket (4) (7) Transmission, and the additional sprocket (3) is engaged above the chain (7) and adjacent to the rear end, the screening mechanism includes a chute (8), a slider (10), a counterweight (11), A height-limiting screening plate (13) and two L-shaped support rods (12), the chute (8) is arranged under the belt (6) in the front-rear direction, and the chute (8) passes through the connecting piece (8-2) ) is fixed between the two side uprights (1), the rear end of the chute (8) is fixed to the beam (9), the rear end of the beam (9) is fixed to the pulley (9-1) at the middle position, and the slider ( 10) It is slidably installed on the chute (8), the rear end of the slider (10) is suspended around the pulley (9-1) through a connecting rope, and a counterweight (11) is suspended, the slider (10) and the chain (7) ) A mounting cavity is recessed in the middle position on the same side, and the inner end of the mounting cavity is provided with a circular hole to penetrate through the opposite side of the slider (10). -1) The limit shaft (10-2) is fixed at the inner end, the limit shaft (10-2) protrudes out of the circular hole and the limit piece (10-4) is fixed, and the telescopic block (10-1) is connected to the A compression spring (10-3) is supported between the circular holes, the outer end of the telescopic block (10-1) is located on the movement track of the chain (7) and is provided with a guiding slope, and a toggle button is fixed on the chain (7). (7-1) The telescopic block (10-1) can be cyclically pushed to make the slider (10) move forward, and a separating piece (8-1) is fixed at the corresponding position of the chute (8). The separating piece (8-1) ) is provided with a guide slope that cooperates with the telescopic block (10-1) so that the telescopic block (10-1) can overcome the elastic force of the compression spring (10-3) to shrink inward, and the position of the separator (8-1) is higher than The toggle button (7-1) enables it to pass from the bottom. The two L-shaped bracket rods (12) are relatively fixed on the left and right sides of the slider (10) and extend above the belt (6). The screening plate (13) is fixed between the vertical arms of the two L-shaped support rods (12).

2. A conveying device using double-layer belt transmission according to claim 1, characterized in that: vertical slideways are respectively provided on the inner sides of the vertical arms of the two L-shaped support rods (12). The height-limiting screening plate (13) is inserted between the two vertical slideways, and the vertical arms of the two L-shaped support rods (12) are respectively provided with a plurality of fastening bolts. The fastening bolts are fastened and positioned to the height-limiting screening plate (13).

3. A conveying device using double-layer belt transmission according to claim 1 or 2, characterized in that: on the outside of the vertical support arms of the two L-shaped support rods (12) on the conveying bed frame, there are provided Two blocking pieces (1-4), the two blocking pieces (1-4) are respectively connected and fixed with the corresponding side vertical plates (1) through connecting rods.

4 . The conveying device using double-layered belt transmission according to claim 3 , wherein the vertical arms of the two L-shaped support rods ( 12 ) are respectively provided with scale lines. 5 .