阅读说明：本技术 一种吹气单元及空气悬浮运输装置 (Air blowing unit and air suspension conveying device ) 是由 朱桂卿 余杰 邓立伟 于 2019-11-28 设计创作，主要内容包括：本发明公开了一种吹气单元及空气悬浮运输装置,其中吹气单元包括若干个沿轴线依次设置的悬浮块,所述悬浮块内部为中空的空腔,所述悬浮块侧面设有进气口,所述悬浮块的上表面设有出气口。实现了柔性卷材连续性传输、曲面材料传输,表面有气体流动,也杜绝了集尘等现象。(The invention discloses an air blowing unit and an air suspension conveying device, wherein the air blowing unit comprises a plurality of suspension blocks which are sequentially arranged along an axis, a hollow cavity is formed in each suspension block, an air inlet is formed in the side surface of each suspension block, and an air outlet is formed in the upper surface of each suspension block. The continuous transmission of the flexible coiled material and the transmission of the curved surface material are realized, the gas flows on the surface, and the phenomena of dust collection and the like are avoided.)

1. The air blowing unit is characterized by comprising a plurality of suspension blocks 1 which are sequentially arranged along an axis, wherein a hollow cavity 11 is formed in each suspension block 1, an air inlet 12 is formed in the side surface of each suspension block 1, and an air outlet 14 is formed in the upper surface 13 of each suspension block 1.

2. An air-blowing unit as claimed in claim 1, characterized in that the upper surface 13 of the suspension block 1 is curved in an arc.

3. An air-blowing unit as claimed in claim 1, further comprising a sintered mass 2 of porous ceramic or microporous metal, said sintered mass 2 being mounted on the air outlet 14 in said cavity 11.

4. A gas blowing unit as claimed in claim 3, characterized in that the agglomerates 2 are circular, rectangular, triangular or diamond-shaped; alternatively, the sintered cake 2 is disposed on the gas outlet 14 in a half-covering or full-covering manner.

5. An air-blowing unit as claimed in claim 1, further comprising an air compressing device connected to the air inlet 12; or a gap is left between any two adjacent suspension blocks.

6. The air blowing unit of claim 1, further comprising a suspension block mounting bracket 4 having an arc-shaped upper surface, wherein the plurality of suspension blocks 1 are sequentially mounted on the suspension block mounting bracket 4.

7. An air-blowing unit as claimed in claim 1, characterized in that the front and rear ends of the upper surface 13 of the suspension block 1 are rounded 17 with the adjacent front and rear sides 15, 16, respectively.

8. An air suspension transportation device, characterized by comprising the air blowing unit, the unwinding mechanism and the winding mechanism as claimed in any one of claims 1 to 7, wherein the unwinding mechanism, the air blowing unit and the winding mechanism are arranged in sequence, and the unwinding mechanism and the winding mechanism are positioned lower than the air blowing unit.

9. The aero-levitation transport device as claimed in claim 8, wherein the unwinding mechanism comprises an unwinding motor and an unwinding roller, and the unwinding motor, the unwinding roller and the blowing unit are sequentially arranged;

or, the winding mechanism comprises a winding motor and a winding rotary roller, and the blowing unit, the winding rotary roller and the winding motor are sequentially arranged.

10. The aero-levitation transport device as claimed in claim 8, further comprising two limit gauges, one limit gauge being disposed between the unwinding mechanism and the blowing unit, and the other limit gauge being disposed between the blowing unit and the winding mechanism; the limiting gauge comprises a material receiving roller, a limiting outer ring and a limiting inner ring, wherein the limiting outer ring and the limiting inner ring are respectively sleeved at two ends of the material receiving roller.

Technical Field

The invention belongs to the technical field of production and processing equipment, mainly relates to the transmission and processing of flexible materials, and particularly relates to a blowing unit and an air suspension conveying device.

Background

In the production process of the existing factory workshop, a mechanical device needs to be facilitated to transmit raw materials of products to be processed. Aiming at flexible products, such as paper, films, PCBs and other various flexible coiled materials, the flexible coiled materials need to be conveyed to specific processing equipment for processing through the process of a conveying device.

In the field of semiconductors, the air suspension device is mainly applied to the transmission of products such as flat glass substrates and wafers, and the transmission mode aims at single materials, such as single flat glass substrates, and continuous transmission of coiled materials cannot be realized. In addition, the transmission object is a hard plane material with certain rigidity, the gas is pressed down by utilizing the gravity of the material, the reliable transmission of the flexible or curved material cannot be realized, and the transmission of the ultra-light material cannot be realized.

In the laser beam drilling field, directly utilize the change roller to transmit roll paper class flexible coiled material, when the paper after the printing transmitted the laser beam drilling process, the printing face can take place the contact with the transfer roller surface, leads to coating can depend on the transfer roller, has the circumstances that the speed difference exists to still can produce the scratch simultaneously as the transfer roller with the printing face and prints the mark and seal, has seriously influenced product quality. Moreover the paper is transported the friction and can produce static between the two by the transmission roller, and static can adsorb the dust that produces among the punching process, and then makes the quality variation of printing paper product, and surface wear causes the life of roller also to shorten. In addition, in the punching process, dust is large, and the phenomenon of easy scratching can affect the air permeability, so that the working efficiency is reduced. The product scrapping can be directly caused by scratching, the traditional treatment mode is to clean ash and ink attached to the product by stopping, blowing, wiping a conveying roller and the like, and the scratching is treated by a reverse side punching method, but the effect is poor, and even the working efficiency is reduced. .

Based on the defect that the flexible coiled materials cannot be reliably transmitted by the existing transmission technology, the transmission device on the traditional production line needs to be researched and improved, so that the device is suitable for transmitting various flexible coiled materials, the quality of coiled material products is ensured, and meanwhile, the transmission device is effectively protected.

Disclosure of Invention

The invention aims to solve the problems of inconvenient transmission of the flexible coiled material, large abrasion in the transmission process and the like at present, and provides a blowing unit and an air suspension conveying device, which realize the continuous transmission of the flexible coiled material and the transmission of curved materials, realize the gas flow on the surface and also avoid the phenomena of dust collection and the like.

In order to achieve the purpose, the invention adopts the following technical scheme:

the air blowing unit comprises a plurality of suspension blocks which are sequentially arranged along an axis, wherein a hollow cavity is formed in each suspension block, an air inlet is formed in the side face of each suspension block, and an air outlet is formed in the upper surface of each suspension block. Compressed gas enters the cavity from the gas inlet and then is output to the upper surface from the gas outlet, the flexible coiled materials such as paper are transmitted on the upper surfaces of the plurality of suspension blocks, the compressed gas on the upper surface is compressed by the pressure of the paper to form a very thin gas film or gas cushion, and the contact between the paper and the surfaces of the suspension blocks is avoided. Meanwhile, the gas can blow off impurities such as dust and the like adsorbed on the surface.

Furthermore, the upper surface of the suspension block is an arc-shaped curved surface.

Furthermore, the device also comprises a porous ceramic or microporous metal sintering block, and the sintering block is arranged on the air outlet in the cavity.

Furthermore, the sintered blocks are circular, rectangular, triangular or rhombic; or the sintered blocks are arranged on the gas outlet in a half-covering or full-covering mode.

Further, the air compressor is connected with the air inlet; or a gap is left between any two adjacent suspension blocks.

Further, still include that the upper surface is curved suspension piece installing support, a plurality of suspension piece installs in proper order on suspension piece installing support.

Furthermore, the front end and the rear end of the upper surface of the suspension block respectively form a fillet with the adjacent front side surface and the rear side surface.

The invention also provides an air suspension conveying device which comprises the air blowing unit, the unreeling mechanism and the reeling mechanism, wherein the unreeling mechanism, the air blowing unit and the reeling mechanism are sequentially arranged, and the unreeling mechanism and the reeling mechanism are lower than the air blowing unit. Compared with the traditional gas transmission device, the gas film is mainly formed by relying on the gravity of the transmission material, and the material has certain mass and rigidity and cannot adapt to the transmission of light materials. In the device, the positions of the unwinding mechanism and the winding mechanism are lower than the blowing unit to form a wrap angle, and the pressure of the paper on the air film is determined by the wrap angle between the tension direction of winding and unwinding and the platform due to the lightness and the light weight of the paper.

Furthermore, unwinding mechanism includes unreeling motor and unreels and changes the roller, unreeling motor, unreeling change the roller, blow the unit and set gradually.

Further, winding mechanism includes that rolling motor and rolling are changeed the roller, unit, rolling commentaries on classics roller, the rolling motor of blowing sets gradually.

Furthermore, the winding device also comprises two limiting gauges, wherein one limiting gauge is arranged between the unwinding mechanism and the air blowing unit, and the other limiting gauge is arranged between the air blowing unit and the winding mechanism; the limiting gauge comprises a material receiving roller, a limiting outer ring and a limiting inner ring, wherein the limiting outer ring and the limiting inner ring are respectively sleeved at two ends of the material receiving roller.

Compared with the prior art, the invention has the beneficial effects that:

1. the flexible coiled material is conveyed by utilizing air suspension, a certain pressure is formed in the cavity, and then the flexible coiled material is uniformly output to the lower surface of the flexible coiled material from the sintering block, so that the flexible material is lifted on the upper surface of the air blowing unit, the contact between the conveying device and the flexible coiled material is avoided, the surface integrity of the flexible coiled material is ensured, and meanwhile, impurities such as surface dust and the like are also removed;

2. the air blowing unit of the invention forms a certain curved surface while making the flexible material suspend by using air; a plurality of blowing units can be combined into an arc-shaped platform, and the platform integrally presents a certain radian, so that curved surface materials can be conveniently transmitted;

3. the winding mechanism is combined with the unwinding mechanism to continuously convey the flexible coiled material;

4. the tension generated by the winding mechanism and the unwinding mechanism gives rigidity to the flexible material, which is not provided by the flexible material itself. The upper limit of the rigidity is equal to the tensile strength of the material. This rigidity evens out the gas compression distribution and also prevents the flexible material from deforming itself;

5. the downward decomposition force formed by the winding and unwinding tension of the winding mechanism and the unwinding mechanism at the two ends of the air blowing unit is utilized to press compressed air to form an air film or an air cushion to lift the flexible material;

6. compare traditional conveyer, this unit and the air suspension conveyer of blowing is more complete in function, and the transmission is stable, and the air film rigidity is stable, and flexible material's transmission is also very stable, uses more convenient and fast reliably.

Drawings

FIG. 1 is a schematic view of a blowing unit structure;

FIG. 2 is a schematic view of the internal structure of a floating mass;

FIG. 3 is a schematic view of a floating mass;

FIG. 4 is a schematic view of the operation of the suspension block;

FIG. 5 is a transmission block diagram of an aero-levitation transport device;

figure 6 is a schematic view of another aero-levitation transport device.

In the figure: 1 suspension block, cavity 11, air inlet 12, upper surface 13, gas outlet 14, leading flank 15, trailing flank 16, radius angle 17, fritting 2, suspension block installing support 3, unwinding mechanism 4, winding mechanism 5, spacing rule 6, receipts material roller 61, spacing outer loop 62, spacing inner ring 63, paper 7, air film 8, compressed air 81, laser instrument 9.

Detailed Description

The technical scheme of the invention is further described and illustrated by specific embodiments below, so that the technical scheme is clearer and more obvious. Other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.

As shown in fig. 1-4, the present embodiment discloses a blowing unit, which includes a plurality of suspension blocks 1 sequentially arranged along an axis, a hollow cavity 11 is formed inside the suspension block 1, an air inlet 12 is formed in a side surface of the suspension block 1, and an air outlet 13 is formed in an upper surface 13 of the suspension block. Compressed air enters the cavity from the air inlet and is output from the air outlet to a position between the upper surface 13 and the lower surface of the flexible material such as the paper 7, and under the action of the paper, a very thin air film compressed on the upper surface 13 is formed to lift the paper 7. The suspension block 1 is provided with a plurality of single light suspension blocks, and is convenient to maintain, overhaul and replace.

In one design, the air outlets 13 may be provided in plural numbers and equally distributed on the upper surface 13.

In a preferred embodiment of the suspension block 1, the upper surface 13 of the suspension block 1 is an arc-shaped curved surface. Specifically, the middle of the upper surface 13 of the suspension block 1 is higher than the two sides. The surface of the suspension block 1 has a certain radian to keep the transmission paper and the sliding block parallel to each other.

In order to make the output of the compressed gas in the cavity 11 more uniform, the present embodiment is further provided with a porous ceramic or microporous metal sintered block 2, and the sintered block 2 is installed below the gas outlet 14 in the cavity 11. Through the installation of porous ceramic or porous metal sintering block, can effectively reduce air current velocity of flow and pressure for it is more stable to export the gas film that is located the compressed between upper surface 13, paper 7 lower surface.

After the compressed gas is sintered quickly through the plurality of holes, the flow speed is reduced, the distribution is uniform, the deformation of a conveying material is reduced, and the stability of a gas film is improved. The agglomerate distribution is shown in the figure and can be different according to the gas size or the carrying object. And the sintering speed is not limited to a circle, a rectangle, a triangle or a rhombus, etc., and the sintered blocks 2 are arranged on the gas outlet 14 in a half-covering or full-covering mode.

As a preferred embodiment of this embodiment, the air blowing unit further comprises an air compressing device connected to the air inlet 12 for inputting compressed air 81 to the suspension block 1. The air compression device for supplying compressed air employs any of 3 types, such as a gas compressor, a high-pressure gas tank, and a blower.

In one structure, a gap is left between any two adjacent floating blocks 2, so as to provide a space for laser drilling in the process of conveying flexible materials such as paper, and as shown in fig. 5, laser emitted by a laser 9 is used for drilling the gap between two adjacent floating blocks 2. Adopt this suspension piece can prevent grey dustproof, and the air film has directly outwards blown away the dust that materials such as paper punched the production, has carried out purification once more to the hole.

As a preferred embodiment of this embodiment, the air blowing unit further includes a suspension block mounting bracket 4 with an arc-shaped upper surface, and the plurality of suspension blocks 1 are sequentially mounted on the suspension block mounting bracket 4. Specifically, a plurality of mounting holes are formed in the suspension block mounting support 4 in the transmission direction, the mounting holes are distributed into arcs, the arcs with the middle parts higher than the two ends are preferably selected, and a plurality of suspension blocks 1 mounted in the pin or hollow shaft mode form an arc-shaped transmission platform. As shown in fig. 3 and 6, the air inlet 12 may be formed in a hollow shaft.

In one design, the front and rear ends of the upper surface 13 of the block 1 are rounded 17 to the adjacent front and rear sides 15, 16, respectively.

The embodiment also provides an air suspension transportation device, as shown in fig. 5, including foretell blowing unit, unwinding mechanism, winding mechanism, unwinding mechanism, blowing unit, winding mechanism set gradually.

Preferably, the height of the unwinding mechanism and the height of the winding mechanism are set to be lower than the positions of the blowing units, the blowing units formed by the unwinding mechanism, the winding mechanism and the suspension blocks form arc wrap angles to generate downward pressure, and compressed gas below the paper is compressed to form a gas film.

The unwinding mechanism of this embodiment includes at least that unreels the motor and unreels and change the roller, unreel the motor, unreel and change the roller, blow the unit and set gradually. The unwinding motor drives the unwinding roller to rotate for unwinding, and the paper on the rolled paper roll is gradually transmitted to the blowing unit.

This embodiment the winding mechanism includes rolling motor and rolling commentaries on classics roller at least, unit, rolling commentaries on classics roller, the rolling motor of blowing sets gradually. The winding motor drives the winding roller to rotate to receive the paper, and the paper of the blowing unit is transmitted to the winding roller to form a rolled paper roll.

The air suspension transportation device can also adopt winding and unwinding mechanisms in other prior art.

In another structure, in an application occasion with requirements on the transmission precision of winding and unwinding, the air suspension conveying device also comprises two limiting gauges 6, one limiting gauge is arranged between the unwinding mechanism and the air blowing unit, and the other limiting gauge is arranged between the air blowing unit and the winding mechanism; the limiting gauge 6 comprises a material receiving roller 61, a limiting outer ring 62 and a limiting inner ring 63, wherein the limiting outer ring 62 and the limiting inner ring 63 are respectively sleeved at two ends of the material receiving roller 61. The air outlet is communicated with the air compression device. Through set up a spacing rule respectively in the input of whole platform that comprises a plurality of suspension blocks 1, output both sides, be restricted between spacing outer loop 62, spacing inner ring 63 in the flexible material transmission process, can prevent effectively that this material from leading to controlling the drunkenness because of with low between the platform frictional force.

The blowing unit and the air suspension conveying device are adopted to convey flexible materials, so that non-contact conveying of the materials with the characteristics of 'continuity', 'curved surface', 'flexibility' and 'light' is realized, and the air suspension conveying device has the following advantages:

(1) gas suspension: gas is injected into the cavity inside the suspension block of the blowing unit, and certain pressure is formed in the cavity. The gas is ejected outwardly through the porous sintered mass of the cell and is delivered to the upper surface of the suspended mass, which is also the lower surface of the flexible material. The flexible material compresses the gas, causing the gas to gradually acquire rigidity. When the pressure of the gas rigidity and the pressure of the flexible material are balanced, the gas can form a gas film or a gas cushion to lift the flexible material on the upper surface of the suspension unit, and the upper surface and the flexible material cannot be rubbed;

(2) and (3) continuous conveying: the winding mechanism and the unwinding mechanism are used for continuously conveying the flexible coiled material, so that various scale processing and transmission are met;

(3) surface bending: the suspension block of the invention forms a certain curved surface while suspending the flexible material by using gas. The surface of a single suspension block has a certain radian, and the whole gas suspension platform consisting of a plurality of suspension blocks also has a certain radian;

(4) flexibility: according to the winding and unwinding mechanism, the winding motor and the unwinding motor are utilized to transmit the flexible material, the formed tension endows the flexible material with rigidity which the flexible material does not have, the higher the tension is, the higher the rigidity is, and the upper limit of the rigidity is equal to the tensile strength of the material. This rigidity evens out the gas compression distribution and also prevents the flexible material from deforming itself;

(5) and (3) light weight: when light materials are transmitted, due to the fact that the gravity of the materials is insufficient, the downward decomposition force formed by the wrapping angles of the platform arranged in an arc shape through the winding and unwinding mechanism with height drop of the whole gas suspension platform formed by the plurality of suspension blocks is used for compressing compressed gas on the upper surfaces of the suspension blocks to form a gas film, and meanwhile, certain downward pressure can be provided by gas flow sprayed from the nozzles when a laser or the like is used for punching.

The above is the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, and variations and modifications made by those skilled in the art according to the design concept of the present invention should be considered to be within the scope of the present invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.