JP4390171B2 - Powder spreader in food processing machine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an automatic powder spraying apparatus in a food processing machine, and more specifically, a food processing machine for spraying wheat flour, starch, etc. to foods in order to prevent foods from sticking to each other or foods from sticking to machines. Relates to an automatic powder spraying apparatus.
[0002]
[Prior art]
2. Description of the Related Art Generally, in a food processing machine, in order to prevent foods from adhering to each other or foods from adhering to a machine, a powder spraying device that sprays flour, starch, or the like to foods is used.
For example, Japanese Examined Patent Publication No. 53-43586 discloses a technique in which powder is put into a woven cloth bag having a coarse mesh, and the bag is brought into contact with a confectionery material traveling on a conveyor to adhere the powder.
[0003]
Japanese Patent Application Laid-Open No. 3-7532 discloses a technique in which powder placed in a powder hopper is stirred with a scraping bar and discharged from a bottom hole of the powder hopper and sprayed.
Japanese Patent Publication No. 50-7256 discloses a technique for introducing starch contained in a hopper into an addition chamber by rotation of a fan and adding it to a passing noodle strip.
Japanese Examined Patent Publication No. 53-43586 discloses a technique in which noodles transferred on the upper and lower two-stage conveyors are spread on the front and back of the noodles with two starch spreaders.
[0004]
In addition, various powder spraying devices have been proposed, but devices such as brushes, cloths, etc. for spraying (such as the above Japanese Patent Publication No. 53-43586) or mechanical vibrations and brushes, etc. A device for spraying using a device (Japanese Patent Laid-Open No. 3-7532) or a fluid spraying device for spraying food directly or indirectly on a belt conveyor using air (Japanese Patent Publication No. 50-7256, Japanese Patent Publication No. Sho) 53-43586 publication etc.).
[0005]
[Problems to be solved by the invention]
In general, the following functions are required in this type of powder spreader.
1) There is little scattering of powder from the environmental health to the outside of the device.
2) Less excess powder is generated.
3) It is sprayed evenly on the necessary parts of food.
4) There are few things that are visually obstructed for safety and to deal with troubles.
5) Applicable to all food shapes.
[0006]
In the conventional technology as described above, it has been difficult to satisfy these requirements.
For example, when considering the line from dough such as bread to molding, first the dough is manufactured, then the process of continuous cutting is entered, then the forming, injection of the bean paste, and processing of the surface are performed. The necessary part of the powder covers all the previous stages of each process. The same applies to confectionery, noodles and the like other than bread making.
If the mechanism of the powder spraying device is different in each of these steps, it becomes an expensive device with a complicated mechanism, and also requires a lot of maintenance labor and time. Moreover, when excess powder etc. generate | occur | produce, there exists a problem that the problem in an environmental hygiene side arises by the floating in a factory.
[0007]
In view of the problems of the prior art, the present invention is surely uniformly distributed on the front and back of the food molded product, can handle any food shape, and generates less excess powder by suction. An object of the present invention is to provide a powder spreader in a food processing machine that does not hinder environmental hygiene.
[0008]
[Means for Solving the Problems]
In a powder spreader in a food processing machine that spreads powder on a food product that is continuously conveyed by a belt conveyor,
Placed in front SL on the belt conveyor, and food molding machine down the food molding after molding on the belt conveyor,
From the belt conveyor descending position of the food molded product , installed on the upstream side of the conveyor transport direction , without spraying with air , a mechanical spraying unit for spraying powder on the belt conveyor by vibration,
A channel-shaped housing installed in parallel with the belt conveyor on the downstream side in the conveyor conveying direction of the food molding machine;
A mixing and spreading unit that is mounted in the housing , mixes powder and air, and sprays and sprays the food molding on the belt conveyor;
Mounted in the housing, it is disposed in the conveyor downstream side of the mixing spray unit, and a suction means for sucking the excess powder around the belt conveyor,
The mechanical spreader and the food molding machine are disposed outside the channel-shaped housing, and lower portions on both sides of the housing are openings located on both sides of the belt conveyor, and air is supplied from the openings. The air curtain is formed by jetting .
[0009]
According to such an invention, it is possible to reliably and uniformly spray the front and back of a food molded product with a mechanical spraying portion with less scattering of powder and a mixed spraying portion with air, and to cope with any food shape, Further, the suction duct reduces the generation of surplus powder due to the suction of surplus powder and does not hinder environmental hygiene.
[0010]
Further, according to the present invention, the housing is formed such that openings facing both side portions of the belt conveyor are formed on both side walls, and air is ejected from the openings to form air curtains on both sides of the belt conveyor. It is characterized by that.
According to this invention, since the belt conveyor is partitioned by the air curtain from the housing, there is little scattering of powder to the outside of the apparatus, and there is nothing visually obstructed, so it is easy to deal with safety and troubles.
[0011]
Further, according to the present invention, the mixing and spraying unit includes a mixing tank having a spraying hole in a lower part, a mixing and spraying means for spraying powder from the spraying hole while supplying and mixing powder and air to the mixing tank, It is provided in the front and back of a mixing tank, and is comprised with the suction duct which attracts | sucks the excess powder on the said belt conveyor.
According to this invention, it is possible to reliably and uniformly spray the food molded product in the air mixing and spraying section, and to cope with any food shape, and suction of excess powder by the suction ducts before and after the mixing tank. It becomes possible.
[0012]
Further, the present invention is characterized in that a partition plate disposed on both sides of the belt conveyor is provided on the outer wall of the housing, and excess powder is sucked from an opening of the housing.
According to this invention, surplus powder can be sucked also from both sides of the belt conveyor, the recovery rate of surplus powder is further improved, and the scattering of the powder is reliably prevented by the partition plate.
[0013]
Further, the present invention is characterized in that a recovery port for sucking and recovering excess powder dropped on the tray is provided at a lower portion of the tray.
According to this invention, the powder collected from the collection port of the tray can be reused.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings. However, as long as there is no specific description, the dimensions, shapes, relative arrangements, and the like of the components described in this embodiment are not intended to limit the scope of the present invention, but are merely illustrative examples. .
[0015]
FIG. 1 is a side view showing an overall configuration of a first embodiment of an automatic powder spraying apparatus in a food processing machine according to the present invention.
As shown in the figure, the automatic powder spreader in the food processing machine according to the present embodiment includes a mechanical spreader 1, a food molding machine 2, a housing 3, and a mixed spreader mounted in the housing 3. The part 4 and the suction duct 5, a belt conveyor 6 installed at the lower part, and a tray 7 provided at the lower part of the belt conveyor 6 are roughly configured.
[0016]
As shown in FIG. 2, the mechanical spraying unit 1 includes a duct 11 having a spraying hole 10 on a lower surface, a spiral conveyor 12 disposed in the duct 11, and a vibration means (not shown) of the duct 11. .
The illustrated food molding machine 2 is composed of a roll 13 for processing a sheet-like molded product 14 obtained by extending wheat flour or the like.
As shown in FIG. 3, the housing 3 has a channel-like shape having a hollow 15 inside, and also serves as an air curtain generating function in the present embodiment. That is, the lower portions on both sides of the housing 3 are openings 17 located on both sides of the belt conveyor 6, and air supply ducts 18 are formed on the upper portion.
[0017]
As shown in FIGS. 4 and 5, the mixing and spraying unit 4 includes a mixing tank 21, a spiral conveyor 22 provided in the mixing tank 21, suction ducts 23 attached to both front and rear side surfaces of the mixing tank 21, 23. In the mixing tank 21, a groove portion 24 is formed in the lower portion, and a spray hole 25 is formed in the bottom surface of the groove portion 24. An air supply port 26 for supplying air from the outside is provided at the side of the mixing tank 21. The lower ends of the suction ducts 23 and 23 serve as suction ports 27 for sucking air.
[0018]
As shown in FIG. 5, the mixing / spreading unit 4 is fitted in the housing 3, and the spiral conveyor 22, the air supply port 26, and the air suction port 27 are respectively opened from the openings 22 </ b> A, 26 </ b> A, 27 </ b> A on the side walls of the housing 3. It protrudes to the outside.
The suction duct 5 is fitted into the case body so as to be positioned at the front part of the mixing / spreading unit 4, the suction port 38 is opposed to the belt conveyor 6, and the upper air suction port 29 is projected from the housing 3 to the outside. ing.
[0019]
Next, the operation of the automatic powder spraying apparatus in the food processing machine will be described.
The molded product 14 continuously molded by the food molding machine 2 is conveyed by the belt conveyor 6. By sending powder into the duct 11 by the spiral conveyor 12 of the mechanical spraying unit 1 and applying vibration to the duct 11, the powder is sprayed from the spray hole 10 onto the belt conveyor 6. Here, in order to prevent scattering of the powder, the spraying with air is not performed but only the mechanical spraying is performed. The powder is conveyed on the belt conveyor 6 while adhering to the back surface of the molded product 14.
[0020]
In the housing 3, air is supplied from the duct 18 and ejected from the opening 17 to form the air curtain 20 on both sides of the belt conveyor 6. The air curtain 20 partitions both sides of the belt conveyor 6 and suppresses powder scattering.
In the mixing and spreading unit 4, the powder is fed into the mixing tank 21 by the spiral conveyor 22, and at the same time, air is sent from the air supply port 26 to mix the two, and the powder is spread on the surface of the molding 14. At the same time, air is sucked from the suction port 27 to collect surplus powder (including scattered powder). Further, surplus powder is also collected from the suction duct 5 arranged in the next stage. Although most of the powder is prevented from being scattered by these collection operations and the partition of the air curtain 20, the powder overflowing from the belt conveyor 6 is collected from the tray 7 through the collection port 7a.
[0021]
In the mixing and spreading unit 4, it is also possible to provide means for adjusting the amount of spreading powder. For example, the amount of spraying can be adjusted by changing the angle of attachment of the mixed spraying portion 4 to the housing 3 or adjusting the amount of air from the air supply port 26.
As described above, in the present embodiment, the mechanical spraying unit 1 and the mixed spraying unit 4 using air are reliably sprayed uniformly on the front and back of the food molded product 14 and can cope with any food shape. It is. Moreover, since it is partitioned by the air curtain 20 from the housing 3, there is little scattering of powder to the outside of the apparatus, and the suction ducts 5 and 23 generate less excess powder due to the suction of excess powder. There is no hindrance. Moreover, since there is nothing visually obstructed by employ | adopting the air curtain 20, it is easy to cope with safety and a trouble.
[0022]
In the first embodiment, the example in which the housing 3 is used as the air curtain generating portion is shown. However, as shown in the second embodiment in FIG. 6, the outer wall of the housing 3 is extended to both sides of the belt conveyor 6. The partition plate 30 is formed to prevent the powder from being scattered by the partition plate 30, and air is sucked from the duct 18 and the excess powder is also collected from the opening 17 in the housing 3, contrary to the first embodiment. I have to. The partition plate 30 is preferably transparent so that the inside can be seen. In that case, a transparent resin partition plate 30 may be separately attached to the housing 3.
In the second embodiment, surplus powder can be sucked also from both sides of the belt conveyor 6, so that the recovery rate of surplus powder is further improved, and the scattering of the powder is reliably prevented by the partition plate 30.
[0023]
The first and second embodiments of the present invention have been described above, but the specific configuration is not limited to these embodiments, and design changes and the like without departing from the scope of the present invention. Is included in the present invention.
For example, the molded product 14 shows a sheet-like example, but the food molding machine 2 may be any food molding machine such as confectionery, bread dough, or noodles, and is not limited to the illustrated one. Absent.
Note that the powder collected from the collection port 7a of the tray 7 may be reused or discarded if it cannot be reused. In the case of disposal, if the powder is drained by passing the air through the water at the same time, a filter or the like becomes unnecessary, and the time for replacing the filter can be saved.
[0024]
【The invention's effect】
As described above, according to the present invention, the mechanical spraying part and the mixed spraying part by air are surely and uniformly sprayed on the front and back of the food molded product, and can cope with any food shape, Further, the suction duct reduces the generation of surplus powder due to the suction of surplus powder and does not hinder environmental hygiene.
In addition, according to the present invention, the belt conveyor is partitioned by the air curtain from the housing, so there is little scattering of powder to the outside of the apparatus, and there is nothing visually obstructed, so it is possible to cope with safety and troubles It's easy to do.
[0025]
In addition, according to the present invention, air can be reliably and uniformly sprayed on the food molded product by the mixing and spraying unit, and can be applied to all food shapes, and suction of excess powder by suction ducts before and after the mixing tank. Is possible.
Moreover, according to this invention, surplus powder can be attracted | sucked also from the both sides of a belt conveyor, the collection | recovery rate of surplus powder improves more, and scattering of powder is reliably prevented by a partition plate.
Moreover, according to this invention, the powder collect | recovered from the collection | recovery port of the tray can be reused.
[Brief description of the drawings]
FIG. 1 is a side view showing a first embodiment of a powder spreading device in a food processing machine of the present invention.
FIG. 2 is a perspective view showing an outline of a mechanical spray unit.
3 is a cross-sectional view taken along line BB in FIG.
FIG. 4 is a partial cross-sectional perspective view of a mixing and dispersing unit.
FIG. 5 is an exploded perspective view of a housing and a mixing and spreading unit.
FIG. 6 is a cross-sectional view corresponding to FIG. 3 showing a second embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Mechanical spray part 2 Food molding machine 3 Housing 4 Mixing spray part 5 Suction duct (suction means)
6 Belt conveyor 7 Tray 7a Collection port 20 Air curtain 21 Mixing tank 22 Conveyor (powder supply means)
23 Suction duct (suction means)
25 Spray hole 26 Air supply port (air supply means)
27 Air inlet

Claims (5)

In a powder spreader in a food processing machine that spreads powder on a food product that is continuously conveyed by a belt conveyor,
Placed in front SL on the belt conveyor, and food molding machine down the food molding after molding on the belt conveyor,
From the belt conveyor descending position of the food molded product , installed on the upstream side of the conveyor transport direction , without spraying with air , a mechanical spraying unit for spraying powder on the belt conveyor by vibration,
A channel-shaped housing installed in parallel with the belt conveyor on the downstream side in the conveyor conveying direction of the food molding machine;
A mixing and spreading unit that is mounted in the housing , mixes powder and air, and sprays and sprays the food molding on the belt conveyor;
A suction means attached to the housing and disposed on the downstream side in the conveyor transport direction of the mixing and spraying unit, and suctioning excess powder around the belt conveyor;
The mechanical spreader and the food molding machine are disposed outside the channel-shaped housing, and lower portions on both sides of the housing are openings located on both sides of the belt conveyor, and air is supplied from the openings. An apparatus for spraying powder in a food processing machine, wherein an air curtain is formed by jetting .   In the housing, openings facing both side portions of the belt conveyor are formed on both side walls, and air is ejected from the openings to form air curtains on both sides of the belt conveyor. The powder disperser in the food processing machine of Claim 1.   The mixing and spraying unit is provided in a mixing tank having spraying holes in the lower part, mixing and spraying means for spraying powder from the spraying holes while supplying and mixing powder and air to the mixing tank, and before and after the mixing tank. The powder spreader in the food processing machine according to claim 1, further comprising a suction duct that sucks excess powder on the belt conveyor.   The food processing machine according to claim 1 or 2, wherein a partition plate disposed on both sides of the belt conveyor is provided on an outer wall of the housing, and excess powder is sucked from an opening of the housing. Powder spreader.   The food processing machine according to any one of claims 1, 2, 3 and 4, wherein a recovery port for sucking and recovering excess powder dropped on the tray is provided at a lower portion of the tray. Powder spreader.

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