Negative pressure assisted channel lifting structure and channel lifting method

Abstract

A negative pressure-assisted channel lifting structure and channel lifting method, wherein the negative pressure-assisted channel lifting structure includes a vertically arranged straight channel and an arc-shaped channel connected to the lower end port of the straight channel, the arc-shaped channel is located between a first turntable and a second turntable that rotate concentrically and synchronously, through holes are evenly distributed along the circumference of the inner side edges of the first turntable and the second turntable, and an arc-shaped negative pressure area is formed at the edge of the inner side of the first turntable after the negative pressure strip grooves are connected to the corresponding through holes, and an arc-shaped positive pressure area is formed at the edge of the inner side of the second turntable after the positive pressure strip grooves are connected to the corresponding through holes, and the arc-shaped positive pressure area is formed between the positive pressure area and the negative pressure area. Under the action of positive and negative pressure, the box body is pressed against the inner side wall of the first turntable. When the box body moves in the arc-shaped channel, it only contacts one side wall of the arc-shaped channel, thereby realizing high-speed turning of the box body in the arc-shaped channel and improving transmission efficiency.

Description

Technical Field

[0001] The present invention relates to the field of lifting technology, and in particular to a negative pressure assisted channel lifting structure and a channel lifting method. Background Art

[0002] Existing elevators typically use an inclined conveyor belt to lift objects, but this type of lift takes up a lot of space and is not very practical. Some vertical lifts utilize a vibrating spiral mechanism for granular objects, while larger items are lifted vertically using a belt mechanism. This mechanism involves placing larger items in a trough or on a platform attached to a vertical belt. This lifting method is suitable for low-speed lifting. During the cigarette packaging process, the conveyor speed can reach 600 packs per minute. Existing lifts cannot meet the requirements for high-speed transport, and the packs must not be damaged by friction during the lifting process. Summary of the Invention

[0003] In response to the existing problems, the present invention provides a negative pressure assisted channel lifting structure and a channel lifting method, the purpose of which is to achieve high-speed lifting of the box body and avoid damage to the box body caused by the lifting channel.

[0004] The cam is connected to the first rotating disk and the second rotating disk, and the cam is connected to the first rotating disk and the second rotating disk, and the cam is connected to the first rotating disk and the second rotating disk, respectively.

[0005] Further: the straight channel is located between the first conveyor belt and the second conveyor belt, both of which are arranged vertically, the upper and lower ends of the first conveyor belt are respectively wound around the upper synchronous wheel and the lower synchronous wheel, the second conveyor belt is located on the right side of the first conveyor belt, and the straight channel is formed between the right belt surface of the first conveyor belt and the left belt surface of the second conveyor belt; the first turntable and the second turntable are respectively fixedly connected to the two ends of the lower synchronous wheel, and the arc channel is located on the outside of the first conveyor belt and is arranged around the lower synchronous wheel.

[0006] Further: an arc frame is provided on the outer arc side of the arc channel, and the arc frame is formed by fixing a transverse round rod and an arc plate. The curvature of the inner side of the arc plate is the same as the curvature of the arc channel. The plate surface of the arc plate is perpendicular to the axial direction of the arc channel, and the transverse round rod is parallel to the axial direction of the arc channel and passes through the arc plate.

[0007] Furthermore, the upper end port of the straight channel is connected to another arc channel.

[0008] Further: the arc channel located at the upper end port of the straight channel is recorded as the second arc channel, the first turntable and the second turntable of the second arc channel are fixedly connected to the two ends of the upper synchronous wheel respectively, and the second arc channel is located on the outside of the first conveyor belt and is arranged around the upper synchronous wheel.

[0009] Furthermore, strip grooves are provided at the inner edges of the first turntable and the second turntable, the strip grooves are evenly arranged along the annular belt, the long direction of the strip grooves is arranged along the radial direction of the annular belt, and the through holes are located in the corresponding strip grooves.

[0010] A negative pressure-assisted channel lifting method is based on a negative pressure-assisted channel lifting structure, wherein each box body is sequentially sent into a curved channel, the side surface surrounded by the length and width of the box body is perpendicular to the radial direction of the curved channel, the long direction of the box body is perpendicular or parallel to the width direction of the curved channel, and a gap is left between the front and rear adjacent box bodies. Under the combined action of the positive pressure in the positive pressure area and the negative pressure in the negative pressure area, the box body is pressed onto the inner side wall of the first turntable and moves synchronously with the first turntable, and a gap is left between the box body and the first conveyor belt; under the combined action of the transmission effect of the curved channel and the inertia of the box body, the box body is sent into a straight channel, and the box body is synchronously lifted to the upper end port of the straight channel in the straight channel and discharged.

[0011] Furthermore, the entrance end of the arc channel is located at the exit end of the third conveyor belt, and the third conveyor belt is arranged horizontally. Under the combined action of the transmission effect of the third conveyor belt and the inertia of the box body, the box body is sent into the arc channel, thereby realizing efficient supply of the box body into the arc channel.

[0012] Furthermore, a brush is provided above the outlet end of the third conveyor belt, and a transition channel is formed between the brush and the third conveyor belt. When the lower end of the brush sweeps across the box body, the box body and the third conveyor belt move synchronously.

[0013] The beneficial effects of the present invention are as follows: a special arc-shaped synchronous transmission channel is formed by the positive pressure area and the negative pressure area. When the box body is transmitted in the arc channel, the box body is pressed against the inner side wall of the first turntable under the action of positive and negative pressure, and the box body and the first turntable move synchronously. When moving in the arc channel, the box body only contacts one side wall of the arc channel, thereby realizing high-speed turning of the box body in the arc channel and avoiding friction between the box body and the channel due to changes in the moving direction of the box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the present invention;

[0015] Figure 2 for Figure 1 A magnified view of the structure of the middle B area;

[0016] Figure 3 It is a partial cross-sectional structural schematic diagram of the present invention;

[0017] Figure 4 for Figure 1 A magnified view of the structure of area A in the middle. DETAILED DESCRIPTION

[0018] The present invention will be described in detail below with reference to the accompanying drawings. The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and are not to be construed as limiting the present invention. The directional terms such as left, center, right, top, and bottom in the embodiments of the present invention are merely relative concepts or are based on the normal use state of the product, and should not be considered as restrictive.

[0019] A negative pressure assisted channel lifting structure, such as Figure 1 and Figure 2 As shown, Figure 1 The structure in the figure is a partial cross-sectional structure of the structure of the present invention, and the specific cross-sectional details are shown in FIG. Figure 2 and Figure 4 Enlarged; comprising a vertically arranged straight channel 100 and an arcuate channel 200 connected to the lower end port of the straight channel 100, the straight channel 100 is a synchronous transmission channel; the arcuate channel 200 is located between the first turntable 31 and the second turntable 32 which rotate concentrically and synchronously, and through holes 33 are evenly distributed along the circumferential direction at the inner side edges of the first turntable 31 and the second turntable 32. The inner side surfaces of the first turntable 31 and the second turntable 32 are both arranged perpendicular to their respective circumferential directions, forming an annular belt between the through holes 33 of the first turntable 31 and the through holes 33 of the second turntable 32, combined with Figure 3As shown, strip grooves 35 are provided at the inner edges of the first turntable 31 and the second turntable 32. The strip grooves 35 are evenly arranged along the annular belt, and the long direction of the strip grooves 35 is arranged along the radial direction of the annular belt. The through holes 33 are located in the corresponding strip grooves 35, thereby enhancing the positive and negative pressure effects; the lower end of the straight channel 100 is located in the annular belt, and the transmission direction of the straight channel 100 is arranged perpendicular to the radial direction of the annular belt. Negative pressure strip grooves 34 are provided at the edge of the outer side surface of the first turntable 31 along its circumferential direction. After the negative pressure strip grooves 34 are connected with the corresponding through holes 33, an arc-shaped negative pressure area is formed at the edge of the inner side surface of the first turntable 31. Positive pressure strip grooves 36 are provided at the edge of the outer side surface of the second turntable 32 along its circumferential direction. After the positive pressure strip grooves 36 are connected with the corresponding through holes 33, an arc-shaped positive pressure area is formed at the edge of the inner side surface of the second turntable 32, and the arc channel 200 is formed between the positive pressure area and the negative pressure area.

[0020] The straight channel 100 is located between the first conveyor belt 1 and the second conveyor belt 2, both of which are arranged vertically. Figure 4 As shown, the upper and lower ends of the first conveyor belt 1 are respectively wound around the upper synchronous pulley 12 and the lower synchronous pulley 11. The second conveyor belt 2 is located on the right side of the first conveyor belt 1. The linear channel 100 is formed between the right belt surface of the first conveyor belt 1 and the left belt surface of the second conveyor belt 2. The first turntable 31 and the second turntable 32 are respectively fixedly connected to the ends of the lower synchronous pulley 11. The arcuate channel 200 is located on the outside of the first conveyor belt 1 and is arranged around the lower synchronous pulley 11. After the arcuate channel 200 is arranged along the first conveyor belt 1, the positive and negative pressures are limited by the belt surface of the first conveyor belt 1, which can increase the positive and negative pressure intensity within the arcuate channel 200. An arc frame 5 is provided on the outer arc side of the arc channel 200. The arc frame 5 is formed by fixing a transverse round rod 52 and an arc plate 51. The curvature of the inner side of the arc plate 51 is the same as the curvature of the arc channel 200. The plate surface of the arc plate 51 is perpendicular to the axial direction of the arc channel 200. The transverse round rod 52 is parallel to the axial direction of the arc channel 200 and passes through the arc plate 51. The arc plate 51 has the function of isolating the horizontal airflow and limiting the longitudinal airflow, so that the box body in the arc channel 200 fits more stably on the negative pressure side of the arc channel 200 and is not prone to shaking. In addition, when the machine stops abnormally or the box body 4 is out of control, the arc frame 5 has a limiting effect on the box body 4 to prevent the box body 4 from falling out of the arc channel 200. In order to change the transmission direction of the box body 4 at the upper outlet of the straight channel 100, the upper end port of the straight channel 100 is connected to another arc channel. As Figure 4 As shown, the arc channel located at the upper end port of the straight channel 100 is recorded as the second arc channel 400, and the first turntable 31 and the second turntable 32 of the second arc channel 400 are fixedly connected to the two ends of the upper synchronous wheel 12 respectively. The second arc channel 400 is located on the outside of the first conveyor belt 1 and is arranged around the upper synchronous wheel 12.

[0021] A negative pressure-assisted channel lifting method is based on a negative pressure-assisted channel lifting structure, and each box body 4 is sequentially sent into the arc channel 200, and the side surface surrounded by the length and width of the box body 4 is perpendicular to the radial direction of the arc channel, and the long direction of the box body 4 is perpendicular or parallel to the width direction of the arc channel 200. A gap is left between the two adjacent box bodies 4 in front and behind. Under the combined action of the positive pressure in the positive pressure area and the negative pressure in the negative pressure area, the box body 4 is pressed onto the inner side wall of the first turntable 31 and moves synchronously with the first turntable 31, and a gap is left between the box body 4 and the first conveyor belt 1; under the combined action of the transmission effect of the arc channel 200 and the inertia of the box body 4, the box body 4 is sent into the straight channel 100, and the box body 4 is synchronously lifted to the upper end port of the straight channel 100 in the straight channel 100 and sent into the second arc channel 400. After passing through the second arc channel 400, the box body 4 is discharged into the downstream transmission line, thereby realizing high-speed and flexible lifting of the box body 4. When the large side surface of the box body 4, defined by its length and width, is perpendicular to the radial direction of the curved channel 200, the airflow created by positive and negative pressure flowing along the large side surface of the box body 4 can largely resist the centrifugal force of the box body 4, thereby ensuring the high-speed movement of the box body 4 within the curved channel 200. The inlet of the curved channel 200 is located at the outlet of the third conveyor belt 300, which is arranged horizontally. The transport effect of the third conveyor belt 300 and the inertia of the box body 4 combine to feed the box body 4 into the curved channel 200, achieving efficient supply of the box body 4 into the curved channel 200. To prevent the airflow on the surface of the high-speed rotating first conveyor belt 1 from disturbing the box body 4 on the third conveyor belt 300, a brush 301 is installed above the outlet end of the third conveyor belt 300, forming a transition channel between the brush 301 and the third conveyor belt 300. The lower end of the brush 301 sweeps across the box body 4, causing the box body 4 and the third conveyor belt 300 to move synchronously.

[0022] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the foregoing embodiments. The foregoing embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A negative pressure assisted channel lifting structure, characterized in that: The invention comprises a vertically arranged straight channel and an arc-shaped channel connected to the lower end port of the straight channel, the upper end port of the straight channel is connected to another arc-shaped channel, and the straight channel is a synchronous transmission channel; the arc-shaped channel is located between a first turntable and a second turntable which are concentric and rotate synchronously, through holes are evenly distributed along the circumferential direction at the inner side edges of the first turntable and the second turntable, and an annular belt is formed between the through holes of the first turntable and the second turntable, the lower end of the straight channel is located in the annular belt, and the transmission direction of the straight channel is perpendicular to the radial direction of the annular belt, and a negative pressure strip groove is provided at the edge of the outer side surface of the first turntable along the circumferential direction thereof, and the negative pressure strip groove is connected to the first turntable and the second turntable. After the corresponding through holes are connected, an arc-shaped negative pressure area is formed at the edge of the inner side surface of the first turntable, and a positive pressure strip groove is provided at the edge of the outer side surface of the second turntable along its circumferential direction. After the positive pressure strip groove is connected with the corresponding through holes, an arc-shaped positive pressure area is formed at the edge of the inner side surface of the second turntable, and the arc channel is formed between the positive pressure area and the negative pressure area; an arc frame is provided on the outer arc side of the arc channel, and the arc frame is formed by fixing a transverse round rod and an arc plate, the curvature of the inner side of the arc plate is the same as the curvature of the arc channel, the plate surface of the arc plate is arranged perpendicular to the axial direction of the arc channel, and the transverse round rod is arranged parallel to the axial direction of the arc channel and passes through the arc plate.

2. The negative pressure assisted channel lifting structure according to claim 1, characterized in that: The straight channel is located between the first conveyor belt and the second conveyor belt, both of which are arranged vertically. The upper and lower ends of the first conveyor belt are respectively wound around the upper synchronous wheel and the lower synchronous wheel. The second conveyor belt is located on the right side of the first conveyor belt. The straight channel is formed between the right belt surface of the first conveyor belt and the left belt surface of the second conveyor belt; the first turntable and the second turntable are respectively fixedly connected to the two ends of the lower synchronous wheel. The arc channel is located on the outside of the first conveyor belt and is arranged around the lower synchronous wheel.

3. The negative pressure assisted channel lifting structure according to claim 1, characterized in that: The arc channel located at the upper end port of the straight channel is recorded as the second arc channel. The first turntable and the second turntable of the second arc channel are fixedly connected to the two ends of the upper synchronous wheel respectively. The second arc channel is located on the outside of the first conveyor belt and is arranged around the upper synchronous wheel.

4. The negative pressure assisted channel lifting structure according to claim 1, characterized in that: The inner edges of the first turntable and the second turntable are both provided with strip grooves, which are evenly arranged along the annular belt. The long direction of the strip grooves is arranged along the radial direction of the annular belt, and the through holes are located in the corresponding strip grooves.

5. A negative pressure assisted channel lifting method, characterized in that: Based on the negative pressure-assisted channel lifting structure described in claim 1, each box body is sent into the arc channel in turn, the side surface surrounded by the length and width of the box body is perpendicular to the radial direction of the arc channel, the long direction of the box body is perpendicular or parallel to the width direction of the arc channel, and a gap is left between the front and rear adjacent box bodies. Under the combined action of the positive pressure in the positive pressure area and the negative pressure in the negative pressure area, the box body is pressed onto the inner side wall of the first turntable and moves synchronously with the first turntable, and a gap is left between the box body and the first conveyor belt; under the combined action of the transmission effect of the arc channel and the inertia of the box body, the box body is sent into the straight channel, and the box body is synchronously lifted to the upper end port of the straight channel in the straight channel and discharged.

6. The negative pressure assisted channel lifting method according to claim 5, characterized in that: The inlet end of the arc channel is located at the outlet end of the third conveyor belt. The third conveyor belt is arranged horizontally. The box body is sent into the arc channel under the combined action of the transmission effect of the third conveyor belt and the inertia of the box body.

7. The negative pressure assisted channel lifting method according to claim 6, characterized in that: A brush is provided above the outlet end of the third conveyor belt, and a transition channel is formed between the brush and the third conveyor belt. When the lower end of the brush sweeps across the box body, the box body and the third conveyor belt move synchronously.

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