Conveying device

Abstract

The invention relates to a conveying device. The present invention suppresses a decrease in transportability of an article having a fat component on the surface. A transport device (1) according to one embodiment of the present invention is provided with a transport unit (3) that transports an article that is introduced from the outside and has a fat component at least on the surface, and a hydrophilic coating layer (2) is formed on the transport surface (31) of the transport unit (3).

Description

Technical Field

[0001] The invention relates to a conveying device. Background Art

[0002] Conventionally, there has been known a combined weighing device having a trough or a chute that utilizes shutter processing as a non-adhesive technology.

[0003] Prior art literature

[0004] Patent Literature

[0005] Patent Document 1: WO2014 / 067533A1

[0006] Patent Document 2: Japanese Patent Application Publication No. 2020-23386 Summary of the invention

[0007] Technical problem to be solved by the invention

[0008] However, such a combined metering device has the following problem: when conveying items with a high fat content, such as chicken thighs or beef (slices), as production time passes, the fat component adheres to the conveying surface of the conveying section such as a conveying trough or chute that conveys the items, thereby reducing the conveying performance.

[0009] Therefore, the present invention has been made in view of the above-mentioned technical problems, and an object of the present invention is to provide a conveying device that can suppress a decrease in conveyance performance even when conveying an article having a fat component on its surface.

[0010] Technical solutions for solving technical problems

[0011] A conveying device according to one embodiment is gist of comprising a conveying portion for conveying an article introduced from the outside and having a fat component at least on the surface, wherein a hydrophilic coating is formed on a conveying surface of the conveying portion.

[0012] Effects of the Invention

[0013] According to the present invention, it is possible to provide a conveying device that can suppress a decrease in conveyance performance even when conveying an article having fat components on its surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a diagram for explaining an example of the overall structure of the conveying device 1 according to the first embodiment.

[0015] Figure 2 This is a diagram for explaining an example of the coating layer 2 formed on the conveying surface 31 of the conveying section 3 of the conveying device 1 according to the first embodiment.

[0016] Figure 3 It is a figure which shows a part of the conveying surface 91 of the trough 11 of the conveying device 1 which concerns on 1st Embodiment.

[0017] Figure 4 This is a diagram showing a part of the conveying surface 23 of the chute 9 of the conveying device 1 according to the first embodiment.

[0018] Figure 5 It is a diagram showing a part of the conveying surface 23 / 91 of the chute 9 / trough 11 of the conveying device 1 according to the first embodiment.

[0019] Figure 6 yes Figure 5 XX section view in.

[0020] Figure 7 This is an example of a side view of the trough 11 of the conveying device 1 according to the first embodiment.

[0021] Figure 8 This is an example of a side view of the chute 9 of the conveying device 1 according to the first embodiment.

[0022] Description of Reference Numerals

[0023] 1: conveying device; 2: coating; 3: conveying part; 23, 31, 91: conveying surface (first sliding surface); 9: inclined chute; 10: dispersion workbench; 11: material trough; 21A, 91A: opening; 22L, 92L: left plane; 22R, 92R: right plane; 22U, 92U: upper plane; 22, 92: protrusion (second sliding surface); 22E, 92E: end of the downstream side of the protrusion; W: water droplet. DETAILED DESCRIPTION

[0024] Hereinafter, the preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be noted that in the description of the following drawings, the same or similar parts are marked with the same or similar figure marks. In addition, the drawings are schematic, and it should be noted that the ratios of various dimensions are different from the actual proportions. Therefore, the specific dimensions, etc. should be judged with reference to the following description. In addition, the drawings may also include parts with different dimensional relationships or ratios. In this specification and the drawings, for elements that have substantially the same function and structure, repeated descriptions are omitted by marking the same figure marks. In addition, elements that are not directly related to the present invention are omitted from the drawings.

[0025] (First embodiment)

[0026] Below, refer to Figure 1 to Figure 8, a conveying device 1 involved in a first embodiment of the present invention is described. In this embodiment, a combination weighing device is used as an example of the conveying device 1, but the present invention is not limited to this. It should be noted that the combination weighing device is a device that calculates the target weight value of the article supplied from the conveyor arranged on the upstream side and supplies it to the device on the downstream side.

[0027] like Figure 1 As shown, the conveying device 1 involved in this embodiment has a dispersing workbench 10, a plurality of troughs (conveying feeders) 11, a storage hopper 12, a weighing hopper 13 and a chute 9. It should be noted that the conveying device 1 can also be a timing hopper that temporarily receives the articles discharged from the chute 9 and then discharges the articles downstream.

[0028] The dispersing table 10 receives articles input from the outside and discharges the articles in a circumferential direction. Specifically, the dispersing table 10 may also have a vibrator, and the articles are transported in a circumferential direction based on the vibration component given by the vibrator. It should be noted that in the above example, the structure of the dispersing table 10 transporting articles by vibration is described. However, for example, the dispersing table 10 may also be a structure composed of a substantially conical component, which rotates with the vertex as the rotation center.

[0029] The plurality of troughs 11 receive the articles discharged from the distributing table 10 and convey the articles 100 further downstream. Specifically, the trough 11 may include a vibrator, and the articles 100 may be conveyed further downstream based on the vibration component provided by the vibrator.

[0030] The storage hopper 12 temporarily retains the articles discharged from the trough 11 by opening and closing the gate, and then discharges the articles to the weighing hopper 13 arranged downstream.

[0031] The weighing hopper 13 temporarily retains the articles discharged from the storage hopper 12 by opening and closing the gate, and obtains the weight value of the retained articles. Then, when the control unit (not shown) selects the result of combined calculation, the weighing hopper 13 discharges the retained articles to the downstream chute 9.

[0032] The chute 9 collects the articles discharged from the weighing hopper 13 in one place and discharges them downward. It should be noted that in this embodiment, the structure of discharging articles from the weighing hopper 13 is described. However, it is not limited to this structure, and when an auxiliary hopper is configured, the articles discharged from the auxiliary hopper can also be received.

[0033] like Figure 2As shown, a hydrophilic coating 2 is formed on the conveying surface 31 of the conveying part 3 of the conveying device 1. Here, in this embodiment, the conveying part 3 includes a dispersion table 10, a plurality of material troughs 11, a storage hopper 12, a measuring hopper 13, an auxiliary hopper, and a chute 9. That is, a hydrophilic coating 2 is formed on the conveying surfaces of the plurality of material troughs 11 and the conveying surface of the chute 9.

[0034] In addition, a hydrophilic coating 2 is formed on the surfaces in contact with the articles in the storage hopper 12 and the weighing hopper 13. Here, the surfaces in contact with the articles include the surfaces in contact with the articles in the cylindrical member constituting the upper and lower openings of the hopper and the gate blocking the opening located on the lower side of the cylindrical member.

[0035] The types of the hydrophilic coating 2 are roughly divided into inorganic and organic types. The inorganic coating is formed by a photocatalyst represented by titanium oxide. Specifically, the inorganic coating is formed by using sunlight (mainly ultraviolet rays) to form highly hydrophilic hydroxyl groups on the surface of titanium oxide. The organic coating is formed by a resin containing ions or hydrophobic groups.

[0036] For example, Figure 2 As shown, the contact angle A1 between the water droplet W formed on the conveying surface 31 formed with the hydrophilic coating 2 and the conveying surface 31 is 40 degrees or less. The experimental results show that according to this structure, the affinity of the above-mentioned conveying surface 31 with water molecules is improved, showing hydrophilicity. It should be noted that, similarly, it can be seen that if the contact angle A1 is 40 degrees to 90 degrees, hydrophobicity is shown, and if the contact angle A1 is above 90 degrees, water repellency is shown.

[0037] In addition, a plurality of protrusions may be provided on the conveying surface 31. For example, Figure 3 As shown, a plurality of protrusions 92 may also be provided on the conveying surface 91 of the trough 11. Figure 4 As shown, a plurality of projections 22 may also be provided on the conveying surface 23 of the chute 9 .

[0038] Here, the plurality of protrusions 22 / 92 may also be formed by embossing.

[0039] In addition, the plurality of protrusions 22 / 92 may be formed by louver processing. The louver processing may also be louver processing. The structure of the conveying surface 23 / 91 formed with the louver processing is such that when the conveying surface 23 / 91 is visually confirmed from the front, the opposite side of the chute 9 / tank 11 cannot be seen, and the opposite side of the chute 9 / tank 11 can be seen by shifting the viewpoint.

[0040] like Figure 5 as well as Figure 6As shown, the end portion 22E / 92E on the downstream side of the plurality of protrusions 22 / 92 is formed with an opening 21A / 91A from the conveying surface 23 / 91 toward the back surface 24 / 93. Here, the back surface 24 is the back surface of the chute 9, the back surface 93 is the back surface of the trough 11, the opening 21A is formed from the conveying surface 23 of the chute 9 toward the back surface 24, and the opening 91A is formed from the conveying surface 91 of the trough 11 toward the back surface 93.

[0041] In other words, if Figure 5 as well as Figure 6 As shown, the trough 11 has: a first sliding surface 91 having a plurality of openings 91A and a second sliding surface 92 that blocks a portion of the openings 91A and is disposed at a position closer to the inner side I of the trough 11 than the first sliding surface 91 .

[0042] The second sliding surface 92 is formed continuously with the first sliding surface 91 on the upstream side U, the left side L, and the right side R of the above-mentioned opening 91A.

[0043] Specifically, if Figure 5 As shown, the second sliding surface 92 has a left side plane 92L, a right side plane 92R and an upper side plane 92U.

[0044] Here, if Figure 5 As shown, the left side flat surface 92L is formed to stand from the first sliding surface 91 toward the inner side I on the left side L of the opening 91A.

[0045] In addition, if Figure 5 As shown, the right side plane 92R is formed to stand from the first sliding surface 91 toward the inner side I on the right side R of the opening 91A.

[0046] In addition, if Figure 5 As shown, the upper side plane 92U is formed to connect the left side plane 92L and the right side plane 92R.

[0047] Likewise, if Figure 5 as well as Figure 6 As shown, the chute 9 includes a first sliding surface 23 having a plurality of openings 21A, and a second sliding surface 22 that blocks a portion of the openings 21A and is disposed closer to the inner side I of the chute 9 than the first sliding surface 23 .

[0048] The second sliding surface 22 is formed continuously with the first sliding surface 23 on the upstream side U, the left side L, and the right side R of the opening 21A.

[0049] Specifically, if Figure 5 As shown, the second sliding surface 22 has a left side plane 22L, a right side plane 22R and an upper side plane 22U.

[0050] Here, if Figure 5As shown, the left side plane 22L is formed to stand from the first sliding surface 23 toward the inner side I on the left side L of the opening 21A.

[0051] In addition, if Figure 5 As shown, the right side plane 22R is formed to stand from the first sliding surface 23 toward the inner side I on the right side R of the opening 21A.

[0052] In addition, if Figure 5 As shown, the upper plane 22U is formed to connect the left side plane 22L and the right side plane 22R.

[0053] According to the above-mentioned structure, the plurality of protrusions 22 / 92 can further suppress the reduction in the conveyance performance of the article having fat components on the surface.

[0054] In addition, if Figure 7 As shown in FIG. 1 , when the trough 11 is viewed from the side, the angle A2 between the trough 11 and the horizontal direction H is preferably in the range of 9 to 12 degrees. Figure 8 As shown, when the chute 9 is viewed from the side, the angle between the chute 9 and the horizontal direction H is preferably within a range of 40 to 60 degrees. According to this structure, compared with the case where the hydrophilic coating is not formed, the total height of the combined metering device can be reduced while maintaining the conveying performance. This makes it easy to cope with the height of factories that differ from customer to customer.

[0055] According to the conveying device 1 involved in this embodiment, it is possible to suppress the reduction in the conveying performance of articles having fat components on the surface. Compared with the conventional coating with water-repellent properties, when a hydrophilic coating is used, a thin water film can be formed on the conveying surface. Through the effect of the water film formed in this way, at least the direct contact between the fat components on the surface of the article and the conveying surface can be reduced, and the adhesion between the articles can be reduced. In addition, since a water film is formed between the article and the conveying surface, the direct contact between the article and the conveying surface is reduced. Therefore, compared with other coatings such as water-repellent coatings, the effect of the hydrophilic coating can be maintained for a long time.

[0056] The present invention is described in detail using the above-mentioned embodiments, but it is obvious to those skilled in the art that the present invention is not limited to the embodiments described in this specification. The present invention can be implemented as a modification and variation without departing from the gist and scope of the present invention determined by the description of the claims. Therefore, the description of this specification is for the purpose of illustration and does not have any limiting meaning on the present invention.

Claims

1. A conveying device, The conveying device includes a conveying unit that conveys an article that is introduced from the outside and has fat components at least on the surface. A hydrophilic coating is formed on the conveying surface of the conveying portion.

2. The conveying device according to claim 1, wherein: A plurality of protrusions are provided on the conveying surface.

3. The conveying device according to claim 2, wherein: An opening extending from the conveying surface toward the rear surface is formed at the downstream end portions of the plurality of protrusions.

4. The conveying device according to claim 2, wherein: The plurality of protrusions are formed by louver door processing.

5. The conveying device according to claim 2, wherein: The plurality of protrusions are formed by embossing.

6. The conveying device according to claim 2, wherein: The conveying part includes a trough, When the trough is observed from the side, the angle between the trough and the horizontal direction is in the range of 9 to 12 degrees.

7. The conveying device according to claim 2 or 6, wherein: The conveying portion includes a chute, When the inclined groove is observed from the side, the angle between the inclined groove and the horizontal direction is in the range of 40 to 60 degrees.

8. The conveying device according to claim 1, wherein: The contact angle of water droplets formed on the conveying surface on which the coating layer is formed with the conveying surface is 40 degrees or less.

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