JP2005059871A - Holding member - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a holding member capable of preventing the vibration of an object to be held and preventing a surface of the object from being damaged even when the object with a soft surface is mounted. <P>SOLUTION: A tip of a holding member extends from an upper surface circumferential edge of a base part 31 to the position facing a circumferential edge part of a second through hole 32 of the base part 31, and a plurality of fin parts 35 do not affect the optical path passing through a first through hole 21 and the second through hole 32. The fin parts 35 are inclined so that the tip side is closer to a pedestal part 2 than the base part side. The fin parts 35 are curved in the same direction from the base part side to the tip side and the fin parts 35 are spiral in plan view. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a holding member that holds agricultural products such as strawberries or tomatoes when transported by a transport device.

  2. Description of the Related Art A quality determination device that determines quality such as sugar content or acidity of agricultural products such as strawberries or tomatoes without contact has been developed.

  FIG. 9 is a perspective view showing the configuration of the quality determination device disclosed in Patent Document 1 described later by the present applicant, in which 50 is a transport device for transporting agricultural products such as strawberries or tomatoes. Two conveyor belts 51, 51 are arranged in parallel to each other at a predetermined distance in the conveyor device 50, and the conveyor device 50 is located between the conveyor belts 51, 51 between the conveyor devices 50. A plurality of holding members (carriers) 40, 40,... Mounted in order in the conveying direction, and agricultural products H, H,... Mounted and held in the holding members 40, 40,. It conveys by rotating 51 and 51.

  At appropriate positions on the conveying path by both conveying belts 51, 51, a projector 60 that emits light of a required wavelength to each agricultural product H, H,..., And transmitted light that has been transmitted from the projector 60 and transmitted through the agricultural product H A detector 61 for detecting the light absorbance and the like of the transmitted light incident on the receiver 61, and a detector for detecting the absorbance of the light. Based on the detection result of the vessel, it is guided to a main body 63 incorporating a calculator or the like for calculating sugar content or acidity. And the main body 63 determines the sugar content or the acidity etc. of each agricultural product H, H, ... using the transmitted light given from the light receiver 61, respectively.

In such a quality determination apparatus, the following holding members are used.
FIG. 10 is a side sectional view of a conventional holding member 40 used in the quality determination apparatus. A first through hole 43 is formed in the center of the bottom of the bottomed cylindrical pedestal portion 42 so that light can pass through the first through hole 43. In addition, an annular recess 44 is provided over the entire circumference of the pedestal portion 42 so that the adjacent holding members abut on each other on the above-described conveying belt. Even when it is placed, a required gap space is formed in a part between both holding members.

  The upper end opening of the pedestal portion 42 is formed of an elastic material such as rubber or a synthetic resin, and is closed by a holding portion 46 that holds agricultural products. A portion of the holding portion 46 that faces the upper end opening of the pedestal portion 42 has a hook-like shape that protrudes toward the bottom side of the pedestal portion 42, and an annular rim provided on the periphery of the hook-like portion is connected to the pedestal portion 42 Are fitted and fixed to the outer edge of the upper end opening. A second through-hole 47 having a diameter slightly smaller than the diameter of the first through-hole 43 is formed in a portion of the holding portion 46 facing the first through-hole 43, whereby the first through-hole 43 and Light can pass through the second through hole 47.

  In such a holding member 40, the agricultural product is mounted in the holding portion 46 so as to close the second through hole 47 provided in the holding portion 46. When the holding member 40 holding the agricultural product is conveyed by the conveying device provided in the above-described quality determination apparatus and enters the optical path of the projector, the light emitted from the projector is the first through hole 43 and the second through hole 47. The agricultural product on the holding member 40 is irradiated and the transmitted light of the agricultural product is incident on the light receiver, or the light emitted from the projector is directly irradiated on the agricultural product on the holding member 40 to transmit the transmitted light of the agricultural product. Passes through the first through hole 43 and the second through hole 47 and enters the light receiver. As described above, the quality of the held member is determined by the transmitted light. Thus, since the 1st through-hole 43 and the 2nd through-hole 47 are provided on the center axis | shaft of the holding member 40, even if it is a case where a light projector and a light receiver are opposingly arranged in the perpendicular direction, it radiate | emits from a light projector. The transmitted light or the transmitted light transmitted through the agricultural product is incident on the light receiver without being blocked by the holding member 40.

  However, in the holding member 40, for example, the produce H on the holding member 40 may vibrate due to vibration during conveyance by the conveyance device, and a gap may be generated between the second through hole 47 and the produce H. there were. When such a gap occurs in the optical path from the projector 60, there is a problem that light leaks from the gap, thereby reducing the quality determination accuracy.

  By the way, in the sorting line for sorting agricultural products, a plurality of flange portions formed by projecting thin strips around the central axis of the holding portion in a direction perpendicular to the central axis on the inner slope of the holding portion as described above. A holding member arranged at a predetermined interval in the depth direction of the holding member is used (for example, Patent Document 2).

  When the flange portion of the holding member described in Patent Document 2 is applied to the holding member 40 shown in FIG. 10, even when agricultural products of different sizes are mounted on the holding portion 46 of the holding member 40, Since the periphery is surrounded by the corresponding flange portion, it is possible to prevent the agricultural product from vibrating, and to solve the above-described disadvantages.

Japanese Patent Application No. 2003-162675 (FIGS. 1 and 6) Japanese Utility Model Publication No. 6-81676 (FIG. 1)

  However, in the holding member provided with such a plurality of flange portions in the holding portion, although the agricultural product can be prevented from vibrating, the surface of the agricultural product has slight unevenness, so that its surface such as strawberry When a soft agricultural product is mounted, when the agricultural product is mounted on the holding member and when the agricultural product is detached from the holding member, a part of the agricultural product is engaged with the flange portion or due to vibration during transfer by the transfer device. There is a problem that a part of the agricultural product is pressed against the tip of the flange portion, the surface of the agricultural product is damaged, and the commercial value is lowered.

  The present invention has been made in view of such circumstances, and can prevent the vibration of the agricultural product and prevent the surface of the agricultural product from being damaged even when the agricultural product having a soft surface is mounted. It is to provide a holding member that can be used.

  The present invention according to claim 1 is a holding member provided with a recess for holding agricultural products, wherein a plurality of fins extending inward from the periphery of the recess are provided in the circumferential direction of the recess. It is characterized by being arranged at an appropriate interval.

  The present invention according to claim 2 is characterized in that each fin portion is bent in the same direction from the base portion of the fin portion toward the tip thereof in a plan view.

  The present invention according to claim 3 is characterized in that the dimension between the fin portion and the bottom of the concave portion is gradually reduced from the base portion of the fin portion toward the tip.

  According to a fourth aspect of the present invention, a through-hole penetrating the bottom of the recess is formed, and each fin includes an opening edge of the through-hole and extends to an appropriate position until it reaches the opening. It is characterized by being.

  In the present invention according to claim 1, the plurality of fin portions extending inward from the peripheral edge of the concave portion holding the agricultural product with the required elasticity are arranged at appropriate intervals in the circumferential direction of the concave portion, Even in the case where agricultural products with a soft surface are mounted in the recesses, the fins bend and come into contact with the periphery of the agricultural products, so that the vibrations of the agricultural products can be prevented and the surface of the agricultural products can be damaged. Can be prevented.

  In the present invention according to claim 2, since each fin portion is bent in the same direction from the base portion of the fin portion toward the tip, that is, each fin portion is formed in a spiral shape in the plan view. The fins also bend in the circumferential direction of the recesses, which prevents the tips of the fins from engaging the produce surface when removing the produce from the recesses. Scratching can be further prevented.

  According to the third aspect of the present invention, since the dimension between the fin portion and the bottom of the recess is gradually reduced from the base of the fin toward the tip, the tip of each fin is directed toward the bottom of the recess. This prevents the tip of the fin from engaging with the surface of the produce when the produce is loaded into or removed from the recess, thus further preventing the surface of the produce from being damaged. be able to.

  In the present invention described in claim 4, a through-hole penetrating the bottom of the recess is formed, and each fin includes an opening edge of the through-hole and extends to an appropriate position until it reaches the through-hole. Therefore, using the light passing through the through hole, the agricultural products mounted and held in the recess can be inspected, while the tip of each fin portion protrudes into the through hole, and the light in the through hole progresses. The inspection can be carried out without any hindrance.

  In the holding member (carrier) of the present invention, a fin portion having a required elasticity is extended by molding, for example, soft rubber from the periphery of the concave portion for holding agricultural products to the inside. Then, by arranging such a plurality of fins at appropriate intervals in the circumferential direction of the recess, the fins are brought into contact with and held around the agricultural product mounted in the recess.

  Further, in the present invention, each fin portion has a spiral shape when bent in the same direction from the base portion of the fin portion toward the tip thereof in the plan view.

  Further, according to the present invention, an appropriate inclination is formed in each fin portion by gradually reducing the dimension between the fin portion and the bottom of the concave portion from the base portion of the fin portion toward the tip.

  Moreover, in this invention, the through-hole which penetrates the bottom part of a recessed part is opened so that light can pass the inside of a holding member to a vertical direction. Each fin includes an opening edge of the through hole and extends to an appropriate position until it reaches the opening.

  FIG. 1 is an external perspective view showing a holding member according to the present invention. 2 is a plan view of the holding member shown in FIG. 1, and FIG. 3 is an end view when the holding member shown in FIG. 1 is longitudinally cut along the meridian. The holding member 1 has a diameter larger than the diameter of the pedestal portion 2 on the upper surface of the short cylindrical pedestal portion 2, and the holding portion 3 for holding the mounted agricultural product is fixed concentrically with the pedestal portion 2. It is. In the pedestal portion 2, a first through hole 21 penetrating the pedestal portion 2 is opened coaxially with the central axis of the pedestal portion 2.

  The holding part 3 integrally molded using a soft resin material such as soft rubber has a diameter slightly larger than the diameter of the pedestal part 2 and has a thickness dimension slightly smaller than the height dimension of the pedestal part 2. A plate-like base portion 31 is provided, and a second through hole 32 that penetrates the base portion 31 and communicates with the first through hole 21 is formed at the center of the base portion 31. As a result, light can pass through the first through hole 21 and the second through hole 32.

  A funnel-shaped recess 33 having a diameter slightly smaller than the diameter of the base portion 31 and substantially the same depth as the thickness of the base portion 31 is provided on the upper surface of the base portion 31. The base 31 has a plurality of fins 35, 35,... For preventing the vibration of the agricultural product from facing the concave portion 33 and provided at appropriate intervals in the circumferential direction of the base 31. From the base 31 to the inside of the base 31.

  The fin portion 35 has a substantially fan shape in which two oblique sides of the long triangle are bent in one direction in plan view, and the fin portion 35 starts from the periphery of the upper surface of the base portion 31 and the tip of the fin portion 35 passes through the second penetration of the base portion 31. The fins 35, 35,... Are extended to a position facing the peripheral edge of the hole 32, so that the optical path passing through the first through hole 21 and the second through hole 32 is not affected. Yes. Further, the fin portion 35 is inclined so that the tip side is closer to the pedestal portion 2 than the base side. The fin portions 35, 35,... Are bent in the same direction from the base side toward the distal end side, so that the fin portions 35, 35,.

Next, the holding of agricultural products by the holding member according to the present invention and the detachment of agricultural products from the holding member will be described.
4 is a perspective view showing the holding member and the agricultural product held by the holding member according to the present invention, FIG. 5 is a plan view of the holding member and the agricultural product shown in FIG. 4, and FIG. It is an end elevation at the time of carrying out the longitudinal section on the meridian of a holding member and agricultural products shown in the above. In each figure, the same reference numerals are given to portions corresponding to the portions shown in FIGS.

  As shown in FIGS. 4 to 6, for example, strawberry is mounted as the agricultural product H in the center of the holding portion 3 of the holding member 1, and the strawberry H is held by the holding portion 3. That is, when the strawberry H is placed on the center of the holding portion 3, that is, on the tip portion of the fin portions 35, 35,..., The spiral fin portions 35, 35,. While the diameter of the space surrounded by the strawberry H is enlarged, the strawberry H is bent until it comes into contact with the concave portion 33 of the holding portion 3, and the second through hole 32 opened in the holding portion 3 is blocked by the strawberry H, and the strawberry The circumference of H is surrounded by the bent tip portions of the fin portions 35, 35,..., And the state is maintained. This prevents the strawberry H from vibrating during the conveyance of the conveyance device. On the other hand, since the strawberry H is in contact with the bent portions of the fin portions 35, 35,... Having elasticity, a part of the strawberry H is pressed against the fin portion 35 due to vibration during conveyance by the conveyance device. Even in such a case, the pressure contact force is absorbed by the elastic force of the bent portion without the corner of the fin portion 35, and the surface of the strawberry H is prevented from being damaged.

  The dimensions, elasticity, number, etc. of the fins 35, 35,... Are such that the second through-hole 32 is blocked by the produce H when the produce is placed on the holding part 3 according to the produce. It is.

  On the other hand, in the fin portions 35, 35,..., The strawberry H is held in the holding portion because the slope gradually decreases from the upper edge of the base portion 31 toward the lower surface center of the base portion 31 as described above. Even if it is placed at a position slightly deviated from the center of 3, the strawberry H rolls on the fins 35, 35,... To the center of the holding unit 3 and is held at a required position.

  FIG. 7 is an explanatory view for explaining in plan view the state of the holding member when the strawberries as agricultural products held therein are detached from the holding member shown in FIG. 4, and FIG. 8 is the holding shown in FIG. It is explanatory drawing explaining the state of a holding member at the time of detaching | leaving the strawberry hold | maintained there from the member in end view. As shown in both figures, when the strawberry H is detached from the holding portion 3 of the holding member 1, each fin portion 35, 35,... As shown by the arrows in both figures, the tip of each fin portion 35, 35,... This prevents the surface of the strawberry H from being damaged.

  In addition, although the present Example demonstrated the to-be-held member applied to the quality inspection apparatus which irradiates light to agricultural products and inspects the quality of agricultural products with the transmitted light, this invention is not restricted to this, It is to sorters etc. It can also be applied. In this case, since it is not necessary for light to pass through the holding member, the first through hole 21 and the second through hole 32 described above may not be formed in the base portion 2 and the holding portion 3.

It is an external appearance perspective view which shows the holding member which concerns on this invention. It is a top view of the holding member shown in FIG. FIG. 2 is an end view when the holding member illustrated in FIG. 1 is longitudinally cut along a meridian. It is a perspective view which shows the agricultural product hold | maintained at the holding member which concerns on this invention, and a holding member. It is a top view of the holding member and agricultural products shown in FIG. FIG. 5 is an end view when the holding member and the agricultural product shown in FIG. 4 are vertically cut on a meridian. It is explanatory drawing explaining the state of a holding member at the time of removing the strawberry which is the agricultural product hold | maintained there from the holding member shown in FIG. 4 planarly. It is explanatory drawing explaining the state of a holding member at the time of detaching | leaving the strawberry hold | maintained there from the holding member shown in FIG. It is a perspective view which shows the structure of the quality determination apparatus which the present applicant disclosed. It is a sectional side view of the conventional holding member used for a quality determination apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Holding member 2 Base part 3 Holding part 21 1st through-hole 31 Base 32 Second through-hole 33 Concave part 35 Fin part H Agricultural product (strawberry)
40 holding member 42 pedestal portion 43 first through hole 44 annular recess 46 holding portion 47 second through hole 50 transport device 51 transport belt 60 projector 61 light receiver 63 main body

Claims (4)

In a holding member provided with a recess for holding agricultural products,
A holding member having a required elasticity, wherein a plurality of fins extending inward from the periphery of the recess are arranged at appropriate intervals in the circumferential direction of the recess. The holding member according to claim 1, wherein each of the fin portions is bent in the same direction from the base portion to the tip end of the fin portion in plan view. The holding member according to claim 1 or 2, wherein a dimension between the fin portion and the bottom portion of the concave portion is gradually reduced from the base portion of the fin portion toward the tip. The through-hole which penetrates the bottom part of the said recessed part is opened, and each fin part is extended to the appropriate position until it reaches the opening edge part of the said through-hole, and reaches there. A holding member according to any one of the above.

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