JP2005334831A - Centrifugal dewatering apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a centrifugal dewatering apparatus capable of effectively centrifugally dewatering variously shaped articles without limitation on their shapes and states, and capable of being simply applied to articles carried by a conveying means. <P>SOLUTION: This centrifugal dewatering apparatus is the one wherein a rotating shaft 10 for frames 2 to 5 which constitute a hold means 1 which holds and rotates an article 13 is disposed over a conveying means 11 for the carry and delivery of articles and in parallel with the direction of conveying, and the conveying means 11 is made movable relatively to the hold means 1 so that it may escape from the scope of rotation of the hold means 1. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a centrifugal dewatering apparatus suitable as a dewatering means used after washing various articles such as a resin storage case and a folding container.

With regard to a centrifugal dewatering apparatus that performs centrifugal dewatering while holding this type of article, a group of articles are placed in a stacked state on a rotary table that rotates horizontally around a vertical rotation axis, and the rotary table is placed on the rotary table. An article that performs centrifugal dehydration by holding and rotating so that a maximum centrifugal force acts on one corner of an article is disclosed (see Patent Document 1). However, this prior art has been difficult to apply in the case of a form having a rising wall portion in the peripheral portion of the article. On the other hand, there is known a method in which centrifugal dehydration is performed by rotating an article vertically around a rotation axis arranged in a horizontal direction (see Patent Document 2), but centrifugal force is near the rotation axis. However, there was a problem that the dehydration effect was not improved.
JP 2004-101075 A JP 2002-13873 A

  The present invention has been developed in view of the above-described conventional technical situation, and is capable of effective centrifugal dewatering for articles of various shapes without being restricted by the form of the article. An object of the present invention is to provide a centrifugal dehydration apparatus that can be easily applied to articles conveyed by a conveying means.

  In order to solve the above-mentioned problem, in the centrifugal dehydrator according to the invention of claim 1, when the article held by the holding means is drained by rotating the holding means configured to hold the article, A technical means is adopted in which the rotational axis of the holding means is disposed horizontally and at a position separated from the article. In this centrifugal dewatering apparatus, since the rotation axis of the holding means is disposed horizontally and at a position away from the article, the centrifugal dewatering action is effective even in the case of an article having a rising side at the peripheral part such as a storage case. Is obtained. According to a second aspect of the present invention, the holding means is disposed above the conveying means for carrying the article in and out so as to be parallel to the conveying direction, and the conveying means is operated for the operation of the holding means. The technical means of being configured to be relatively movable so as to be retracted out of the range was adopted. According to the present invention, after the article is carried into the holding means by the conveying means, for example, centrifugal dehydration can be performed in a state where the conveying means is relatively lowered and retracted from the operating range of the holding means. . Incidentally, it is sufficient that the rotational axis and the conveying means are in a relatively movable relationship, and the article can be carried into and out of the holding means by moving the rotational axis side and / or the conveying means side. Any means may be used as long as it can be switched to a state where centrifugal dehydration is possible by retracting the conveying means out of the range of the rotational operation of the holding means.

  Furthermore, the holding means may be configured to be able to hold a plurality of articles arranged in the conveying direction of the conveying means. The holding means may be composed of a support part that comes into contact with both surfaces sandwiching one corner of the article, and a pressing means that presses the vicinity of the diagonal corner of the article. ). Here, the vicinity of the corner may be the corner itself as in the embodiments described later. You may comprise the said conveying means from the roller conveyor which can be raised / lowered, and it may be comprised so that the article | item on this conveyor may be mounted on the said support part when the roller conveyor descend | falls (Claim 5). When the article is composed of a case having an opening on one surface, an effective centrifugal dehydration action can be obtained by configuring the opening surface to face the opposite side of the rotation axis ( Claim 6).

According to the present invention, the following effects can be obtained.
(1) In the invention of claim 1, since the rotation axis of the holding means is disposed horizontally and at a position away from the article, various kinds of articles such as an article having a rising side surface at the peripheral portion such as a storage case. Effective centrifugal dehydration is possible for shaped articles.
(2) In the invention of claim 2, the holding means is disposed above the conveying means whose rotational center is carried in and out of the article and parallel to the conveying direction, and the conveying means is the holding means. Since it is configured to be relatively movable so that it can be retracted out of the range of operation, after the article is carried into the holding means by the conveying means, the conveying means is moved relatively outside the operating range of the holding means. By performing centrifugal dehydration, it is possible to adapt to the carrying in / out of the article by the conveying means very simply and smoothly.
(3) In the invention of claim 3, the holding means is configured to be able to hold a plurality of articles arranged in the conveying direction of the conveying means, which is effective in improving work efficiency.
(4) In the invention of claim 4, the holding means includes a support part that abuts on both surfaces sandwiching one corner of the article, and a holding means that presses the corner near the diagonal of the article. Therefore, it is possible to hold the article accurately with a simple configuration.
(5) In the invention of claim 5, the conveying means is constituted by a roller conveyor capable of moving up and down, and the article on the conveyor is placed on the support portion when the roller conveyor is lowered. Therefore, the articles can be delivered to the holding means by lowering the roller conveyor, and the conveying means can be retracted to a place where there is no hindrance to the execution of centrifugal dehydration.
(6) In the invention of claim 6, since the opening surface of the case is configured to be held toward the opposite side with respect to the rotation axis, the centrifugal dehydration can be performed more accurately to the inner surface of the storage case or the like. .

  INDUSTRIAL APPLICABILITY The present invention can be widely applied to a centrifugal dewatering apparatus that performs centrifugal dewatering by arranging a rotation axis of a holding means for holding an article such as a resin storage case in a horizontal position away from the article. is there. For example, as in the embodiments described later, the holding means is disposed above the conveying means for carrying the article in and out so as to be parallel to the conveying direction, and the conveying means is used for the operation of the holding means. By being configured to be relatively movable so as to be able to retreat out of the range, it is possible to adapt very easily and smoothly to loading / unloading of articles by the transport means. Here, the rotation axis refers to the rotation axis of the rotating body that rotates around the axis of the rotation axis or the fixed axis. More specifically, a roller conveyor that can be moved up and down is adopted as the conveying means, and after the article is carried into the holding means by the roller conveyor, the roller conveyor is lowered to lower the conveying surface, thereby holding the article. In addition to being able to be handed over easily, it is possible to retract the transport means to a place where there is no hindrance to the execution of centrifugal dehydration. In that case, the holding means may be configured to hold the articles one by one and perform the centrifugal dehydration process, or to simultaneously hold a plurality of articles arranged in the transport direction of the transport means and perform the centrifugal dehydration. You may comprise as follows. Further, as a specific configuration relating to the holding means, it is composed of a support portion that contacts both surfaces sandwiching one corner of the article, and a pressing means that presses the vicinity of the diagonal corner of the article. Those are preferred. Incidentally, since the rotation axis of the holding means is disposed at a position separated from the article, in order to balance the holding means, it is simple to configure the holding means substantially symmetrically about the rotation axis. However, other forms are possible if balanced. That is, the article may be arranged and held substantially symmetrically about the rotation axis of the holding means, or may be configured to be separately balanced by installing a balance adjusting means. Although there are places where it is difficult to remove the liquid component adhering to the top surface portion of the article, the liquid component can be dehydrated by moving backward along the top surface in the rotational direction by continuing the rotation operation to some extent. Further, when the article is transferred from the conveying means to the holding means, the top surface is inclined and the article supporting surface such as a frame constituting the holding means is inclined. By forming it, it is also possible to promote dehydration by inclining the top surface. Furthermore, you may comprise so that air may be sprayed toward the top | upper surface part of an article | item from the rotating shaft side.

  FIG. 1 is a schematic explanatory view showing the main part of one embodiment of the present invention. In the figure, reference numeral 1 denotes a holding means, which in the present embodiment is composed of two sets of rotating frame bodies each consisting of a pair of frame bodies 2 and 3 and frame bodies 4 and 5. Each of the frames 2 to 5 is formed in a square ring shape from vertical portions A and B positioned in the vertical direction and horizontal portions C and D positioned in the horizontal direction in the drawing. And between the center part of the vertical parts A and B of the frame bodies 2-5 is each connected by the connection support members 6-9 like illustration, The center part of those connection support members 6-9 is rotated. By being fixed to the shaft 10, the holding means 1 can be driven to rotate through the rotating shaft 10. Further, the horizontal portions D on the lower side constituting the frames 2 to 5 are arranged so as not to protrude on the conveying surface between the rollers 12 constituting the roller conveyor 11 as conveying means, The articles 13 can be carried into the frames 2 and 3 and the frames 4 and 5 via the roller conveyor 11. Incidentally, when one surface is opened as in the case where the article 13 is a resin storage case, it is conveyed on the roller conveyor 11 with the opened surface on the lower side, and inside the frames 2 and 3 or the frame. If it carries in in the bodies 4 and 5, when those frame bodies 2-5 are rotated and centrifugal dehydration is performed, the opening part of the article 13 faces the outside, so a more effective dehydration action is obtained. It is done.

  Further, a pressing means for the article 13 including a pressing member 14 that can be elastically deformed as shown in the drawing is disposed at the portion of the rotary shaft 10 between the frame bodies 2 and 3 or the frame bodies 4 and 5. . In the present embodiment, when the article 13 is carried in, the holding member 14 is rotated to an upper retracted position by a separate operating mechanism as will be described later, and the article 13 is carried into a predetermined position of the frame bodies 2 and 3 and the frame bodies 4 and 5. In this case, as shown in the figure, the diagonal corner b is abutted against the corner a of the article 13 and is formed at the connecting portion between the vertical portion A and the horizontal portion D of each frame 2-5. The article 13 is supported by pressing toward the corner. That is, in the present embodiment, the support portions in which the portions in the vicinity of the connecting portions between the vertical portions A and the horizontal portions D of the respective frames 2 to 5 are in contact with both surfaces sandwiching one corner b of the article 13. Will function as.

  As shown in the figure, when the articles 13 are carried into the predetermined positions of the frame bodies 2 and 3 and the frame bodies 4 and 5 through the roller conveyor 11, the roller conveyor 11 is lowered to move the articles 13 to each other. Place on the horizontal part D. Before and after the lowering operation of the roller conveyor 11, the pressing member 14 is rotated by a separate operating mechanism, and the corner a of the article 13 is pressed through the pressing member 14. Thereby, the corner | angular part b on the diagonal of the article | item 13 is pressed and supported by the corner part between the vertical part A and the horizontal part D of each frame 2-5. Thereafter, according to circumstances, the rotary shaft 10 is rotated halfway so that the upper and lower sides of the frames 2 to 5 are switched, and the roller conveyor 11 is raised, and the next article 13 is attached to the frames 2 and 3 and the frame 4. , 5 and then the roller conveyor 11 is lowered to place each article 13 on the horizontal portion C. Before and after the lowering operation of the roller conveyor 11, the corner a of the article 13 is pressed by a pressing member similar to the pressing member 14 (not shown), and the diagonal corner b is set to the respective frame 2. Pressing and supporting to the corner between the vertical part B and the horizontal part C of ˜5.

  As described above, when the article 13 is carried in and supported in the upper and lower spaces of the frames 2 and 3 and the frames 4 and 5, the rotary shaft 10 is rotated at a high speed to perform centrifugal dehydration. become. In this case, there is no particular problem because the balance is achieved by the upper and lower articles 13 that are supported symmetrically around the rotating shaft 10, but in the case of performing centrifugal dehydration on the upper and lower articles 13, A balance adjusting means for balancing is required. When centrifugal dehydration is completed, the dehydrated article 13 is unloaded in the same direction as the loading direction or in the reverse direction via the roller conveyor 11 by the reverse procedure.

  2 to 4 show a more specific embodiment, FIG. 2 is a front configuration diagram showing the main part, FIG. 3 is a side configuration diagram, and FIG. 4 is an operation mechanism of an article pressing means. It is the schematic explanatory drawing which showed the principal part. This embodiment is a more specific example of the above-described embodiment shown in FIG. 1, and the same components will be described with the same reference numerals. As shown in FIG. 2, the centrifugal dewatering device 15 according to the present embodiment includes a pair of frame bodies 2 and 3 and frame bodies 4 and 5 as holding means for holding the article 13 and performing centrifugal dewatering. A pair of rotating frames is provided. As shown in FIG. 3, these frames 2 to 5 are formed in a rectangular ring shape from the vertical portions A and B and the horizontal portions C and D, and via support wheels 16 to 18 provided around the rectangular rings. Thus, it is configured to be able to support the load of the rotating part by rotating along the circular guide 20 installed on the fixed frame 19 side. And between the center part of the vertical parts A and B of the frame bodies 2-5 is each connected by the connection support members 6-9 as mentioned above, and the center part of those connection support members 6-9 is set to the rotating shaft 10. By being fixed, it is configured to be able to be driven to rotate through the rotary shaft 10. In this embodiment, the crosspieces 21 and 22 are provided in a space surrounded by the vertical portions A and B, the horizontal portion C, and the connection support members 6 to 9, and the balance with the article 13 centering on the rotary shaft 10 is achieved. It is used as a means for adjustment. Incidentally, as described above, the article 13 is carried into the space surrounded by the vertical portions A and B, the horizontal portion C, and the connecting support members 6 to 9 and the four articles are simultaneously dehydrated. For example, this is also effective from the viewpoint of balance around the rotating shaft 10.

  As shown in FIG. 2, the portion of the roller conveyor 11 located below the frames 2 to 5 is divided into small sections 23 to 25, which are moved up and down along the guide means 29 to 31 by operating cylinders 26 to 28, respectively. It is configured to be possible. In addition, an electric motor 32 installed on the fixed frame 19 side is connected to the end of the rotating shaft 10, and the frame bodies 2 to 5 are configured to be rotationally driven through rotation control of the electric motor 32. . Further, a pair of pressing members 33 and 34 and pressing members 35 and 36 are rotatably supported between the frame bodies 2 and 3 and the frame bodies 4 and 5 of the rotary shaft 10, and the corners of the article 13 are supported. It is comprised so that it can press. The pressing members 33 and 34 and the pressing members 35 and 36 are connected by connecting members 37 and 38, respectively. Further, horizontal shafts 39 and 40 are installed at the other end between the pressing members 33 and 34 and between the pressing members 35 and 36, and the horizontal shafts are installed between the frame bodies 2 and 3 and between the frame bodies 4 and 5. The holding members 33 to 36 are urged so as to rotate about the rotation shaft 10 to one side by tension springs 43 and 44 stretched between 41 and 42. The horizontal shafts 41 and 42 may be composed of a single long shaft body as shown in the figure. In the figure, reference numerals 45 to 50 denote connecting members for connecting the frame bodies 2 to 5, 51 denotes a support member for supporting the portions of the small sections 23 to 25 of the roller conveyor 11 via the operating cylinders 26 to 28, and 52 denotes centrifugal dehydration. This is a recovery path for guiding the liquid component to the outside.

  Next, the operation mechanism of the pressing means for the article 13 will be described. As described above, the presser means in the present embodiment is composed of the presser members 33 and 34 and the presser members 35 and 36 that are paired with the rotary shaft 10 so as to be rotatable. As shown in FIG. 4, these holding members 33, 34 and holding members 35, 36 rotate around the rotary shaft 10 by the urging force of the tension springs 43, 44, respectively, so that the corner a of the article 13 is moved. The article 13 is configured to move by pressing. Thereby, the diagonal corner | angular part b of the articles | goods 13 is formed in the connection part of the vertical part A and the horizontal part D which each comprise the frame bodies 2-5, as shown in FIG.1 and FIG.3. The corners are pressed and supported for positioning. That is, the vertical part A and the horizontal part D of these frames 2 to 5 constitute a support part that abuts on both surfaces sandwiching one corner b of the article 13 as described above. The holding means is configured together with the pressing members 33 to 36 that press the vicinity of the corner portion a on the corner. Incidentally, in this case, as shown in FIGS. 3 and 4, the change in the size of the article 13 is automatically handled by changing the pressing start angle of the pressing members 33 to 36. As shown in FIG. 2, one end of each of the horizontal shafts 39 and 40 is in a state of projecting outward from the frame body 2 or 5 respectively. On the other hand, by pressing and locking the lever 55 pivotally attached to the support shaft 54 via the operating cylinder 53 installed on the fixed frame 19 side shown in FIG. It is comprised so that rotation of 33-36 can be prevented.

  Thus, when an article 13 such as a resin storage case is carried into the frames 2 and 3 and the frames 4 and 5 via the roller conveyor 11, it is pivotally attached to the support shaft 54 by the operating cylinder 53. The lever 55 is rotated and locked to the protruding end portions of the horizontal shafts 39 and 40, and the pressing members 33 to 36 are carried in a state of being retracted to the upper position against the tension springs 43 and 44. Will do. Then, when the article 13 is loaded into the frame bodies 2 and 3 and the predetermined positions in the frame bodies 4 and 5, the lever 55 is rotated by the operating cylinder 53 and the protruding ends of the horizontal shafts 39 and 40. Release the lock on the part. As a result, the pressing members 33 to 36 are rotated around the rotation shaft 10 by the urging force of the tension springs 43 and 44, and the corners a of the respective articles 13 are pressed to form the diagonal corners b. Positioning is performed by pressing the corners between the vertical portions A and the horizontal portions D constituting 2 to 5. In this case, as described above, the pressing start angles of the pressing members 33 to 36 are automatically changed according to the size of the article 13.

  As described above, when the article 13 is positioned at a corner formed in the vicinity of the connecting portion between the vertical portion A and the horizontal portion D of the frames 2 to 5, the frames 2 to 5 are driven by the electric motor 32. Is rotated to shift to the centrifugal dehydration process. At the time of centrifugal dehydration, if the rotation direction of the frames 2 to 5 is set so that the vertical part A with which the corner b of the article 13 is in contact with and supported is located behind the other vertical part B, the rotation of the article 13 is caused by the rotation. Since the corner b is pressed against the corner between the vertical portion A and the horizontal portion D, the support state is more stable. In addition, when the pressing force with respect to the articles | goods 13 of the pressing members 33-36 by the urging | biasing force of the said tension springs 43 and 44 is large and can respond enough, it is also possible to reverse the rotation direction of the frames 2-5. When the centrifugal dehydration process is completed, the lever 55 is rotated by the operating cylinder 53 to be engaged with the protruding end portions of the horizontal shafts 39 and 40, and the pressing members 33 to 36 are moved to the tension springs 43, 36. 44, the roller conveyor 11 is raised and the article 13 is carried out to the opposite side or the same side.

It is the schematic explanatory drawing which showed the principal part of the Example of this invention. It is the front block diagram which showed the principal part of the Example of this invention. It is the side block diagram which showed the principal part of the Example. It is the schematic explanatory drawing which showed the principal part of the action | operation mechanism of the holding means of articles | goods.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Holding means, 2-5 ... Frame, 6-9 ... Connection support member, 10 ... Rotating shaft, 11 ... Roller conveyor, 12 ... Roller, 13 ... Article, 14 ... Holding member, 15 ... Centrifugal dehydration device, 16 DESCRIPTION OF SYMBOLS -18 ... Supporting wheel, 19 ... Fixed frame, 20 ... Circular guide, 21, 22 ... Crosspiece, 23-25 ... Small section of roller conveyor, 26-28 ... Actuation cylinder, 29-31 ... Guide means, 32 ... Electricity Motor, 33 to 36: Presser member, 37, 38 ... Connecting member, 39 to 42 ... Horizontal axis, 43, 44 ... Tension spring, 45-50 ... Connecting member, 51 ... Support member, 52 ... Recovery path, 53 ... Actuation Cylinder, 54 ... support shaft, 55 ... lever

Claims (6)

  A centrifugal dewatering device for draining an article held by the holding means by rotating a holding means configured to hold the article, wherein the rotation axis of the holding means is horizontal and spaced from the article. A centrifugal dewatering device, characterized in that the device is arranged at the position.   The holding means is disposed above the conveying means for carrying the article in and out so as to be parallel to the conveying direction, and the conveying means can be retracted outside the range of operation of the holding means. The centrifugal dehydration apparatus according to claim 1, wherein the centrifugal dehydration apparatus is configured to be relatively movable.   The centrifugal dehydration apparatus according to claim 1 or 2, wherein the holding unit is configured to be capable of holding a plurality of articles arranged in a conveyance direction of the conveyance unit.   The said holding | maintenance means is comprised from the support part contact | abutted on the both surfaces which pinched | interposed one corner of an article | item, and the pressing means which presses the corner part on the diagonal of the article | item. The centrifugal dehydration apparatus according to any one of the above.   The said conveyance means is comprised from the roller conveyor which can raise / lower a conveyance surface, and it comprised so that the article | item on this conveyor might be mounted on the said support part when the roller conveyor descend | falls. Centrifugal dehydrator. The centrifugal dehydration according to any one of claims 1 to 5, wherein the article includes a case having one side opened, and is configured to hold the opening side facing away from the rotation axis. apparatus.

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