CN107212088A - A kind of electrospun fibers coating device - Google Patents

Abstract

The invention discloses an electrospinning fiber coating device, which includes a needle device for ejecting film fibers, and a rolling driving device arranged on the opposite side of the needle device, and the rolling driving device includes a plurality of The roller is used to drive the object to be wrapped between two adjacent rollers to rotate the coating. This design is equipped with a rolling drive device that matches the needle position of the spray film. Through the rotation of the adjacent rollers, the objects to be packaged placed on the gap between the rollers are driven to rotate continuously, and the needles are controlled while the melons and fruits to be packaged are rolling. The device sprays spinning fibers on the surface of melons and fruits. Due to the continuous rotation of melons and fruits, the sprayed fibers can form a fiber film that completely wraps the surface of the melons and fruits, thus forming a completely covered film structure; The unique drum structure realizes the driving rotation, and can place multiple melons and fruits to be wrapped between adjacent drums at one time, and realize batch coating at the same time.

Description

An electrospinning fiber coating device

technical field

The invention relates to the technical field of packaging and preservation equipment for agricultural and sideline products, and more specifically relates to an electrospinning fiber coating device.

Background technique

There are many types of film-coated fresh-keeping technologies for melons and fruits on the market. However, due to the problem of production costs, most fresh-keeping technologies have the toxicity of preservatives and preservatives, and the fresh-keeping effect is not good, cleaning is difficult and the problem of low residue.

Now, the process of using electrospinning technology to spray film on the surface of melons and fruits has been developed. As a new method of preservation of melons and fruits, it has the advantages of long-lasting freshness, easy cleaning of the sprayed film, and low residue and toxicity.

However, if this technology is applied to mass production, there are still many limitations. Due to the technical limitations of electrospinning and the irregular shape of the melon and fruit itself, it is not easy to spray a complete film on the surface of the melon and fruit, resulting in the need to repeat The film spraying has the disadvantages of low production efficiency and high production cost. Therefore, these problems make it difficult to popularize this fresh-keeping technology on a large scale.

To sum up, how to effectively solve the technical problems that the electrospinning technology is difficult to cover evenly the process of spraying film on the surface of melons and fruits is an urgent problem for those skilled in the art.

Contents of the invention

In view of this, the purpose of the present invention is to provide an electrospinning fiber coating device. The structural design of the electrospinning fiber coating device can effectively solve the problem that the electrospinning technology is difficult to cover the process of spraying film on the surface of melons and fruits. Uniform and other technical issues.

In order to achieve the above object, the present invention provides the following technical solutions:

An electrospinning fiber coating device, comprising a needle device for ejecting film fibers, and a rolling driving device arranged on the opposite side of the needle device, the rolling driving device includes a plurality of preset distances set The rollers are used to drive the objects to be wrapped placed between two adjacent rollers to rotate the coating.

Preferably, the above electrospinning fiber coating device further includes a belt conveying device for transporting the object to be wrapped to the position of the drum.

Preferably, in the above electrospinning fiber coating device, the belt conveying device includes a belt, a pair of conveying wheels, a pressure pulley for tensioning the belt between the conveying wheels, a driving motor and a connecting Drive the drive wheel of the motor.

Preferably, in the above-mentioned electrospinning fiber coating device, a set of belt conveying devices is arranged between the adjacent drums, and the belts between the two conveying wheels in each set of belt conveying devices are parallel to The roller set.

Preferably, in the above electrospinning fiber coating device, the length of the belt between the two conveying wheels in each set of the belt conveying device is consistent with the length of the side of the roller.

Preferably, in the above-mentioned electrospinning fiber coating device, the belt conveying device further includes a belt support for supporting the conveying wheel, and the belt support is connected with a lifting drive mechanism to drive it up and down, and is used to transport the object to be packaged After reaching the position above the corresponding rollers, place the object to be packaged on the surface between the adjacent rollers.

Preferably, in the above electrospinning fiber coating device, the rolling driving device further includes a roller support for supporting each roller, a driving belt driving each roller to roll, and a connected driving motor.

Preferably, in the above electrospinning fiber coating device, the lifting drive mechanism is installed and fixed between the roller support and the belt.

Preferably, in the above-mentioned electrospinning fiber coating device, a grounded bottom plate matched with the needle device is further provided under the drum.

The electrospinning fiber coating device provided by the present invention includes a needle device for ejecting film fibers, and a rolling driving device arranged on the opposite side of the needle device, and the rolling driving device includes a plurality of interval presets. The rollers set at a distance are used to drive the objects to be wrapped placed between two adjacent rollers to rotate the wrapping film. This design is equipped with a rolling drive device that matches the needle position of the spray film, through the rotation of adjacent rollers to drive the objects to be packaged placed on the roller gap for continuous rotation

When the melons and fruits to be packaged are rolling, the needle device is controlled to spray spinning fibers on the surface of the melons and fruits. Due to the continuous rotation of the melons and fruits, the ejected fibers can form a fiber film that completely wraps the surface of the melons and fruits, thus Form a completely covered membrane structure; this design uses a drum structure with a certain length to drive the melons and fruits to rotate, so multiple melons and fruits to be wrapped can be placed between adjacent rollers at one time, and at the same time realize batch coating, realizing While ensuring the effect of automated mass production, it also greatly improves the efficiency of coating. In summary, the electrospinning fiber coating device provided by the present invention effectively solves the technical problems that the electrospinning technology is difficult to cover evenly the surface of melons and fruits by spraying film to preserve freshness.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Figure 1 is a schematic structural view of an electrospinning fiber coating device provided by an embodiment of the present invention;

Figure 2 is a schematic top view of the electrospinning fiber coating device provided by the embodiment of the present invention;

Fig. 3 is a schematic side view of the belt conveying device of the electrospinning fiber coating device provided by the embodiment of the present invention.

The markings in the attached drawings are as follows:

Needle device 1, roller 2, roller support 3, belt 4, belt support 5, lifting drive mechanism 6, drive motor 7, delivery wheel 8, pressure belt wheel 9, driving wheel 10.

detailed description

The embodiment of the present invention discloses an electrospinning fiber coating device to solve the technical problem that the electrospinning technology is difficult to cover evenly the process of spraying film on the surface of melons and fruits to keep fresh.

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Fig. 1-Fig. 3, Fig. 1 is a schematic structural diagram of an electrospinning fiber coating device provided by an embodiment of the present invention; Fig. 2 is a schematic top view structural diagram of an electrospinning fiber coating device provided by an embodiment of the present invention; Fig. 3 is a side view schematic diagram of the belt conveying device of the electrospinning fiber coating device provided by the embodiment of the present invention.

The electrospinning fiber coating device provided by the embodiment of the present invention includes a needle device 1 for ejecting film fibers, and a rolling driving device arranged on the opposite side of the needle device 1, and the rolling driving device includes multiple Two rollers 2 arranged at a preset distance are used to drive the object to be wrapped placed between two adjacent rollers 2 to rotate the coating.

It should be noted that before the rolling drive device in the present application, a size screening device can also be set up, and the melons and fruits can be classified according to the size through the screening device; There is a certain difference between the settings, and then the melons and fruits sorted according to the size are placed between different drums to achieve a better driving and rotating effect.

This design is equipped with a rolling drive device that matches the needle position of the spray film. Through the rotation of the adjacent rollers, the objects to be packaged placed on the gap between the rollers are driven to rotate continuously, and the needles are controlled while the melons and fruits to be packaged are rolling. The device sprays spinning fibers on the surface of melons and fruits. Due to the continuous rotation of the melons and fruits, the sprayed fibers can form a fiber film that completely wraps the surface of the melons and fruits, thereby forming a completely covered film structure; The drum structure of a certain length can drive the melons and fruits to rotate, so multiple melons and fruits to be wrapped can be placed between adjacent drums at one time, and batch coating can be realized at the same time, which realizes the automatic mass production guarantee effect and greatly improves the envelope efficiency. In summary, the electrospinning fiber coating device provided by the present invention effectively solves the technical problems that the electrospinning technology is difficult to cover evenly the surface of melons and fruits by spraying film to preserve freshness.

In order to further optimize the above technical solution, preferably based on the above embodiments, the above electrospinning fiber coating device further includes a belt conveying device for transporting the object to be wrapped to the position of the drum 2 .

In order to further optimize the above-mentioned technical solution, preferably on the basis of the above-mentioned embodiments, in the above-mentioned electrospinning fiber coating device, the belt conveying device includes a belt 4, a pair of conveying wheels 8, and is used to transfer the 4 belts The pinch pulley 9 between the conveying pulleys 8 , the driving motor 7 and the drive pulley 10 connected to the driving motor 7 .

In the technical solution provided in this embodiment, a belt conveying device is further added to convey the melons and fruits to an appropriate position on the drum; the conveying wheel is used to drive the belt to accurately realize the conveying, and the belt is tightened by the pressure roller to ensure the operation of the device Stable; the specific positional relationship between each wheel can refer to Figure 3. This design has a simple structure, stable transmission, and does not occupy too much space, which is suitable for the application conditions of this technical solution.

In order to further optimize the above-mentioned technical solution, preferably on the basis of the above-mentioned embodiments, in the above-mentioned electrospinning fiber coating device, a set of belt conveying devices is arranged between adjacent drums 2, and each set of belts The belt 4 between the two conveying wheels 8 in the conveying device is all arranged parallel to the drum 2 .

In the technical solution provided in this embodiment, a set of belt conveying devices is arranged between every two rollers, and the transmission direction of the belt is parallel to the rollers, that is, parallel to the gap between the rollers. This design can effectively ensure that the melons and fruits are distributed evenly and correctly. A batch of melons and fruits arranged in a line are transported to a corresponding roller gap position, which eliminates other positive position adjustments in the later stage and optimizes the continuity of the process.

In order to further optimize the above-mentioned technical solution, preferably on the basis of the above-mentioned embodiments, in the above-mentioned electrospinning fiber coating device, the length of the belt 4 between the two conveying wheels 8 in the belt conveying device of each group is related to the The side lengths of the rollers are the same.

The technical solution provided by this embodiment is consistent with the design principles of the above-mentioned embodiments. They are all set up by using a belt conveyed in cooperation with the drum structure, so that the coating process can be carried out more directly and accurately after the melons and fruits are transported. The design of this embodiment The main purpose is to make the amount of melons and fruits conveyed by the belt match the length of the drum so as to maximize the use of the drum space.

In order to further optimize the above-mentioned technical solution, preferably on the basis of the above-mentioned embodiments, in the above-mentioned electrospinning fiber coating device, the belt delivery device also includes a belt support 5 for supporting the delivery wheel 8, and the belt support 5 A lifting drive mechanism 6 is connected to drive its lifting, and is used to place the object to be packaged on the surface between the adjacent rollers 2 after the object to be packaged is transported to the position above the corresponding roller 2 .

In the technical solution provided in this embodiment, it should be noted that the distance between adjacent belts matches the diameter and spacing of the rollers to ensure that the belts can be aligned with the gaps between each roller; in addition, the lifting drive mechanism can be a nut screw structure, Worm gear mechanism or lever gear structure, etc., are not specifically limited here. The belt bracket is further set up to support the operation of the belt and each pulley to make it work stably; and the lifting drive mechanism is set in conjunction with it. The main purpose of the lifting drive mechanism is to realize such a process. After being transported to the corresponding roller gap position, the lifting drive mechanism drives the belt to descend as a whole, and the belt descends to leave the melons and fruits on the corresponding roller surface gap, and then the roller drives the melons and fruits to rotate the coating; further, in After the coating is completed, the belt goes up to lift the coated melons and fruits, and then sends them out of the range of the drum. The degree of process automation of the equipment has been further improved.

In order to further optimize the above-mentioned technical solution, preferably on the basis of the above-mentioned embodiments, in the above-mentioned electrospinning fiber coating device, the rolling drive device also includes a roller support 3 for supporting each roller 2, driving each roller 2. Rolling drive belt 4 and connected drive motor 7. In the technical solution provided in this embodiment, the structural design of the rolling driving device is further optimized, so that it can realize automatic control more stably and simply.

In order to further optimize the above technical solution, on the basis of the above embodiments, preferably, in the above electrospinning fiber coating device, the lifting drive mechanism 6 is installed and fixed between the drum support 3 and the belt 4 . The technical solution provided in this embodiment further optimizes the overall design of the device, and the lifting drive mechanism is arranged between the belt bracket and the roller bracket to save space, and can ensure that the lifting drive has better stability, ensuring that the belt moves up and down relative to the roller. Ability.

In order to further optimize the above-mentioned technical solution, based on the above-mentioned embodiments, preferably, in the above-mentioned electrospinning fiber coating device, a grounded bottom plate that cooperates with the needle device 1 is further provided under the drum 2 . The technical solution provided in this embodiment considers the principle of electrospinning film spraying, and a low-potential grounding base plate is set. The grounding base plate is located on the opposite side of the needle device below the drum, ensuring that the fibers ejected from the needle head can Accurate the melon and fruit below.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. a kind of electrospun fibers coating device, it is characterised in that including the needle apparatus for spraying membrane fiber, Yi Jishe The roll drive device of the relative side of the needle apparatus is placed in, the roll drive device includes multiple interval pre-determined distances The roller of setting, is positioned over treating between the two neighboring roller bag object rotates coating for driving.

2. electrospun fibers coating device according to claim 1, it is characterised in that also including for bag object will to be treated It is delivered to the belt conveyor of cylinder position.

3. electrospun fibers coating device according to claim 2, it is characterised in that the belt conveyor includes Belt, a pair of delivery wheels, for pinch roller, motor and connection of the belt tension between the delivery wheel to be driven The driving wheel of dynamic motor.

4. electrospun fibers coating device according to claim 3, it is characterised in that be all provided between the adjacent roller Be equipped with belt conveyor described in one group, the belt between two delivery wheels described in every group in belt conveyor each parallel to The roller is set.

5. electrospun fibers coating device according to claim 4, it is characterised in that belt conveyor described in every group The length of belt between two interior delivery wheels is consistent with the side length of the roller.

6. the electrospun fibers coating device according to claim 3,4 or 5 any one, it is characterised in that the belt Conveying device also includes the belt support frame for being used to support delivery wheel, and the belt support frame is connected with the lifting driving of its lifting of driving Mechanism, for will after bag object is delivered to corresponding roller top position, will treat bag object be positioned over the adjacent roller it Between surface.

7. electrospun fibers coating device according to claim 6, it is characterised in that the roll drive device is also wrapped Include the drive belt and connected driving electricity for supporting the rolling stand of each roller, driving each rollers roll Machine.

8. electrospun fibers coating device according to claim 7, it is characterised in that the lift drive mechanism is installed It is fixed between the rolling stand and the belt.

9. electrospun fibers coating device according to claim 6, it is characterised in that be additionally provided with below the roller The ground connection bottom plate coordinated with the needle apparatus.