JP4820578B2 - Article conveying device - Google Patents

Article conveying device Download PDF

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JP4820578B2
JP4820578B2 JP2005164267A JP2005164267A JP4820578B2 JP 4820578 B2 JP4820578 B2 JP 4820578B2 JP 2005164267 A JP2005164267 A JP 2005164267A JP 2005164267 A JP2005164267 A JP 2005164267A JP 4820578 B2 JP4820578 B2 JP 4820578B2
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rod
conveying
article
transport
arm
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JP2006335445A (en
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新吾 小林
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Tokyo Automatic Machinery Works Ltd
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Tokyo Automatic Machinery Works Ltd
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Description

本発明は、包装された複数のトイレットペーパ等の各種の物品を把持して搬送するための着脱可能な物品搬送装置に関する。   The present invention relates to a detachable article conveying apparatus for gripping and conveying various articles such as a plurality of packaged toilet papers.

従来、この種の着脱可能な物品搬送装置として例えば下記特許文献1に記載されたものがある。
この物品搬送装置は、平行に配列された一対の搬送チェーンに前後各2本のレールが対向して配設されている。各2本のレールにはそれぞれ凹溝が嵌合した状態で垂下するアームが対向して設けられ、各アームによってトイレットペーパ等の物品は挟持されている。
アームに設けた二つの凹溝の一方は円弧状に湾曲させて形成すると共にその底部にノッチを形成することで、一のレールを係止する弾性が付与されており、他方の凹溝は一方の凹溝を一のレールから外した状態で水平移動させることで他方のレールに対して着脱するように直線状に形成されている。そのため、二つの凹溝はそれぞれのレールに互いに異なる方向から着脱可能に構成されている。
ところで、これら物品搬送装置は、搬送すべき物品の数や配列に応じて各レールに装着するアームの位置を移動させたり着脱させたり他の種類のアームに交換する必要がある。そのため、上述のように各レールに装着するアームを合成樹脂製として、一方の円弧状の凹溝が弾性によって一のレールに装着及び離脱可能とされている。
米国特許第5465550号公報
Conventionally, as this type of detachable article conveying device, for example, there is one described in Patent Document 1 below.
In this article conveying apparatus, two rails are arranged opposite to each other on a pair of conveying chains arranged in parallel. Each of the two rails is provided with an arm that hangs down in a state where the concave groove is fitted, and an article such as toilet paper is sandwiched between the arms.
One of the two concave grooves provided in the arm is formed by curving in an arc shape, and by forming a notch at the bottom thereof, elasticity to lock one rail is given, and the other concave groove is one It is formed in a straight line so that it can be attached to and detached from the other rail by horizontally moving with the concave groove removed from one rail. Therefore, the two concave grooves are configured to be detachable from the directions different from each other.
By the way, these article transport apparatuses need to move or detach the arm to be attached to each rail in accordance with the number and arrangement of articles to be transported, or exchange with another type of arm. Therefore, as described above, the arm attached to each rail is made of synthetic resin, and one arcuate groove is elastically attachable to and detachable from one rail.
US Pat. No. 5,465,550

しかしながら、上述した物品搬送装置は、合成樹脂製アームの一方の円弧状の凹溝が弾性変形することで一のレールと嵌合する構成であるため、レールに対するアームの取付け位置の変更やアームの交換を繰り返すと、円弧状の凹溝が塑性変形したり摩耗したりして保持力が小さくなり、レールから外れたり破損したりする欠点がある。またアームは一方の凹溝にノッチを形成して弾性を付与するために金型が高コストになる欠点もある。   However, since the article conveying device described above is configured to fit with one rail by elastically deforming one arc-shaped concave groove of the synthetic resin arm, it is possible to change the mounting position of the arm with respect to the rail or If the exchange is repeated, there is a drawback that the arc-shaped concave groove is plastically deformed or worn to reduce the holding force and come off the rail or break. In addition, the arm has a disadvantage that the mold becomes expensive because a notch is formed in one of the concave grooves to give elasticity.

本発明は、このような実情に鑑みて、塑性変形や摩耗を生じさせることなく搬送アームを搬送ロッドに繰り返し着脱できるようにした物品搬送装置を提供することを目的とする。   In view of such circumstances, an object of the present invention is to provide an article conveying apparatus in which a conveying arm can be repeatedly attached to and detached from a conveying rod without causing plastic deformation or wear.

本発明による物品搬送装置は、第一の搬送ロッド及び第二の搬送ロッドに着脱可能に取付けられた搬送アームによって物品を把持して搬送するようにした物品搬送装置において、搬送アームは、第一及び第二の搬送ロッドに異なる方向から着脱可能な第一の嵌合部及び第二の嵌合部を有すると共に第一の嵌合部で第一の搬送ロッド回りに回動可能な係合部材と、物品を把持すると共に係合部材に回動可能に支持されていて物品を把持する位置で第二の搬送ロッドに係止する係止部が設けられている押え部材と、係合部材に設けられていて押え部材の係止部を第二の搬送ロッドに付勢する付勢部材とを備え、付勢部材は弾性板からなっていて第一の嵌合部で第一の搬送ロッドを弾性的に係止させる把持部を有していることを特徴とする。
本発明によれば、第一及び第二の搬送ロッドに対して搬送アームを離脱させるには、押え部材を付勢部材の付勢力に抗して回動させて係止部を第二の搬送ロッドから外して、係合部材を第一の搬送ロッド回りに回動させて第二の搬送ロッドから第二嵌合部を離脱させた後に、第一の搬送ロッドから第一の嵌合部を離脱すればよく、また第一及び第二の搬送ロッドに対して搬送アームを装着させるには、係合部材の第一の嵌合部を第一の搬送ロッドに嵌合させた後に係合部材を第一の搬送ロッド回りに回動させて第二の搬送ロッドに第二の嵌合部を嵌合させると共に付勢部材の付勢力によって押え部材の係止部を第二の搬送ロッドに係止させる。
付勢部材は弾性板からなっていて第一の嵌合部で第一の搬送ロッドを弾性的に係止させる把持部を有しているから、把持部によって係合部材の第一の嵌合部に第一の搬送ロッドを回転可能に保持できる。また係合部材や押え部材とは別個に設けた付勢部材の把持部によって係合部材を第一の搬送ロッドに回転可能に係止するから、搬送アームの着脱を繰り返しても係合部材や押え部材が塑性変形したり摩耗したりすることなく、耐久性が向上する。
An article conveying apparatus according to the present invention is an article conveying apparatus in which an article is gripped and conveyed by a conveying arm that is detachably attached to a first conveying rod and a second conveying rod. And an engaging member that has a first fitting portion and a second fitting portion that can be attached to and detached from the second conveying rod from different directions, and is rotatable around the first conveying rod by the first fitting portion. A presser member that holds the article and is rotatably supported by the engagement member, and is provided with an engaging portion that engages with the second transport rod at a position where the article is held. And a biasing member that biases the locking portion of the presser member against the second transport rod, and the biasing member is made of an elastic plate, and the first transport rod is moved by the first fitting portion. It has the holding part to be elastically locked .
According to the present invention, in order to disengage the transport arm from the first and second transport rods, the holding member is rotated against the urging force of the urging member and the locking portion is moved to the second transport rod. After removing from the rod and rotating the engaging member around the first conveying rod to disengage the second fitting portion from the second conveying rod, the first fitting portion is removed from the first conveying rod. In order to attach the transfer arm to the first and second transfer rods, the engagement member is engaged after the first fitting portion of the engagement member is fitted to the first transfer rod. Is rotated around the first conveying rod to engage the second fitting portion with the second conveying rod, and the engaging portion of the pressing member is engaged with the second conveying rod by the urging force of the urging member. Stop.
Since the biasing member is made of an elastic plate and has a gripping portion that elastically locks the first transport rod at the first fitting portion, the first fitting of the engaging member by the gripping portion is performed. The first conveying rod can be rotatably held in the part. In addition, since the engaging member is rotatably locked to the first conveying rod by the gripping portion of the biasing member provided separately from the engaging member and the pressing member, the engaging member and the engaging member The durability is improved without the presser member being plastically deformed or worn.

また、搬送アームは対向する一対の第一及び第二の搬送ロッドによってそれぞれ支持されて対向配置され、該対向する搬送アームの押え部材によって物品を挟持するようにしている。
そのため、対向する一対の搬送アームの押え部材で物品を挟持することで搬送する。
また、押え部材を付勢部の付勢方向と反対側に回動させることで係合部材の第二の嵌合部が第二の搬送ロッドから離脱可能であり、係合部材が第二の搬送ロッドから離脱した位置で第一の搬送ロッドに対して第一の嵌合部が着脱可能とすることが好ましい。
The transport arm is supported by a pair of first and second transport rods facing each other and arranged to face each other, and an article is sandwiched by a pressing member of the facing transport arm.
For this reason, the article is conveyed by being sandwiched between the pressing members of a pair of opposed conveying arms.
Further, the second fitting portion of the engaging member can be detached from the second transport rod by rotating the pressing member in the direction opposite to the urging direction of the urging portion, and the engaging member is It is preferable that the first fitting portion can be attached to and detached from the first transport rod at a position separated from the transport rod.

本発明による物品搬送装置によれば、着脱を繰り返しても係合部材や押え部材が塑性変
形したり摩耗したりすることなく行うことができて耐久性が向上する。しかも搬送アームの着脱を迅速に行え、付勢部材のメンテナンスも容易である。
しかも、付勢部材は弾性板からなっていて第一の嵌合部で第一の搬送ロッドを弾性的に係止させる把持部を有しているから、把持部によって係合部材の第一の嵌合部に第一の搬送ロッドを回転可能に保持できる。また係合部材や押え部材とは別個に設けた付勢部材の把持部によって係合部材を第一の搬送ロッドに回転可能に係止するから、搬送アームの着脱を繰り返しても係合部材や押え部材が塑性変形したり摩耗したりすることなく、耐久性が向上する。
According to the article conveying apparatus of the present invention, even if the attachment and detachment are repeated, the engagement member and the holding member can be performed without being plastically deformed or worn, and the durability is improved. In addition, the transfer arm can be quickly attached and detached, and maintenance of the biasing member is easy.
Moreover, since the biasing member is made of an elastic plate and has a gripping portion that elastically locks the first transport rod at the first fitting portion, the first engaging member is held by the gripping portion. The first conveying rod can be rotatably held in the fitting portion. In addition, since the engaging member is rotatably locked to the first conveying rod by the gripping portion of the biasing member provided separately from the engaging member and the pressing member, the engaging member and the engaging member The durability is improved without the presser member being plastically deformed or worn.

以下、本発明の実施の形態による物品搬送装置を図1乃至図6により説明する。図1は物品搬送装置を含む物品包装機構の全体斜視図、図2は実施の形態による物品搬送装置の平面図、図3は側面図、図4は要部正面図、図5は係止部材の3面図、図6(a)、(b)、(c)は搬送アームと搬送ロッドの着脱工程を示す図である。
図1において、本実施形態による物品搬送装置1を含む物品包装機構2では、複数個、例えば18個のトイレットペーパtをフィルムfで包装したものを物品Tとして製造して出荷する。この物品Tは例えばトイレットペーパtを3個直列につなげたものを並列に3列配列し、これを上下2段に積層することで1組が形成され、これをフィルムfで包装して溶着すると共に、上面のフィルムfに取手部3を溶着してなる。
Hereinafter, an article conveying apparatus according to an embodiment of the present invention will be described with reference to FIGS. 1 is an overall perspective view of an article wrapping mechanism including an article conveying device, FIG. 2 is a plan view of the article conveying device according to the embodiment, FIG. 3 is a side view, FIG. 4 is a front view of main parts, and FIG. FIGS. 6A, 6B, and 6C are views showing the steps of attaching and detaching the transfer arm and the transfer rod.
In FIG. 1, an article packaging mechanism 2 including an article transport apparatus 1 according to the present embodiment manufactures and ships a plurality of, for example, 18 pieces of toilet paper t wrapped with a film f as articles T. This article T is formed by, for example, arranging three toilet papers t connected in series in three rows in parallel, and laminating them in two upper and lower stages to form one set, which is wrapped with a film f and welded. At the same time, the handle portion 3 is welded to the film f on the upper surface.

そして、図1に示す物品包装機構2は、順次製造された円筒状のトイレットペーパtが図示しない第一搬送ラインに沿って3個づつ直列に接続された状態で4列、軸方向に搬送される。これら4列のうち任意の1列を順次停止または減速させて3列のトイレットペーパtを選択して図示しないガイドによって互いに寄せ集める。更に前方の3列のトイレットペーパtに対して後続の同様な3列のトイレットペーパtを上下2段積みに積層して1組のトイレットペーパ群Taを製造する。
トイレットペーパtの第一搬送ラインの延長線上には、フィルム繰り出し機構5が設けられている。この繰り出し機構5ではフィルムリール6から繰り出された帯状のフィルムfaがテンションローラ(ダンサローラ)を介して水平面状に繰り出され、切れ目カッタ7で所定間隔でミシン目が切り込まれる。また取手部3を形成するための取手用テープリール8が設けられていて、水平面状のフィルムfa上に取手部テープ3fが繰り出され、ミシン目で区画される所定幅毎のフィルムfにその両端がテープヒータ9で溶着されることになる。
The article wrapping mechanism 2 shown in FIG. 1 is conveyed in four rows and in the axial direction in a state where three sequentially manufactured cylindrical toilet papers t are connected in series along a first conveyance line (not shown). The Any one of these four rows is sequentially stopped or decelerated to select three rows of toilet paper t and gather them together by a guide (not shown). Further, the same three subsequent toilet papers t are stacked in two upper and lower stacks on the front three rows of toilet paper t to produce a set of toilet paper groups Ta.
A film feeding mechanism 5 is provided on an extension of the first transport line of the toilet paper t. In the feeding mechanism 5, the strip-shaped film fa fed from the film reel 6 is fed in a horizontal plane via a tension roller (dancer roller), and perforations are cut at predetermined intervals by the cut cutter 7. Further, a handle tape reel 8 for forming the handle portion 3 is provided, and the handle portion tape 3f is fed out on the horizontal plane film fa, and both ends thereof are formed on the film f for each predetermined width partitioned by the perforation. Is welded by the tape heater 9.

そして、繰り出されてミシン目で分断されたフィルムfの下には、上述した1組のトイレットペーパ群Taが配置されており、エレベータによってトイレットペーパ群Taを上昇させることでフィルムfを胴折り状態にする。このとき、フィルムfが胴折りされたトイレットペーパ群Taは後述のように物品搬送装置1によって両側面を挟持される。フィルムfの下部両側は折り込まれて溶着されることで胴巻き状態になる。
物品搬送装置1に挟持されたトイレットペーパ群Taは第一搬送ラインに直交する方向の第二搬送ラインに沿って間欠または連続搬送されながら、物品包装機構2によってフィルム両端耳部の上下フラップの折り重ねが順次行われ、サイドヒータ12によって上下フラップが溶着されて物品Tとなる。
The above-mentioned set of toilet paper group Ta is arranged under the film f that has been fed out and divided at the perforations, and the film f is folded in a folded state by raising the toilet paper group Ta by an elevator. To. At this time, the toilet paper group Ta in which the film f is folded is sandwiched between both side surfaces by the article conveying device 1 as will be described later. Both sides of the lower part of the film f are folded and welded to form a body winding state.
While the toilet paper group Ta sandwiched between the article conveyance devices 1 is intermittently or continuously conveyed along the second conveyance line in the direction orthogonal to the first conveyance line, the upper and lower flaps of the both ends of the film are folded by the article packaging mechanism 2. Stacking is performed sequentially, and the upper and lower flaps are welded by the side heater 12 to form the article T.

次に上述した物品包装機構2で用いられる物品搬送装置1について図2乃至図6により説明する。
図2に示す物品搬送装置1において、第二搬送ラインの搬送方向に沿って2対の搬送チェーン14、15が略平行に配列されており、外側のものを第一搬送チェーン14、14、内側のものを第二搬送チェーン15、15とする。第一搬送チェーン14、14の更に外側には一対のガイドレール16、16が配列されている。
そして、図2及び図3に示すように、2組の第一及び第二搬送チェーン14,15を囲うように搬送方向前後側にそれぞれ一対の断面凹部形状のホルダ20、…が配設されている。搬送方向後方に位置する一対のホルダ20、20は第一搬送チェーン14、14に連結され、搬送方向前方に位置する一対のホルダ20、20は第二搬送チェーン15、15に連結されている。
Next, the article conveying apparatus 1 used in the article packaging mechanism 2 described above will be described with reference to FIGS.
In the article transport apparatus 1 shown in FIG. 2, two pairs of transport chains 14 and 15 are arranged substantially in parallel along the transport direction of the second transport line, and the outer one is the first transport chain 14 and 14, the inner one These are referred to as second transport chains 15 and 15. A pair of guide rails 16, 16 are arranged on the further outer side of the first transport chains 14, 14.
As shown in FIGS. 2 and 3, a pair of recess-shaped holders 20,... Are arranged on the front and rear sides in the transport direction so as to surround the two sets of the first and second transport chains 14 and 15, respectively. Yes. The pair of holders 20, 20 positioned rearward in the transport direction are connected to the first transport chains 14, 14, and the pair of holders 20, 20 positioned forward in the transport direction are connected to the second transport chains 15, 15.

搬送方向後方の一対のホルダ20,20間には第一後搬送ロッド17aと第二後搬送ロッド17bが互いに平行に取付けられている。また、第一後搬送ロッド17a及び第二後搬送ロッド17bに対して搬送チェーン14,15の移送方向前方の一対のホルダ20,20間には同様に第一前搬送ロッド18aと第二前搬送ロッド18bが互いに平行に取付けられている。そのため、第一及び第二後搬送ロッド17a、17bと第一及び第二前搬送ロッド18a、18bは、第一及び第二搬送チェーン14、15と一体に移動することになる。
また各ホルダ20の外側には一対のカムローラ21、21がそれぞれ支承されており、これらのカムローラ21、21は各ガイドレール16に設けた凹溝16a内に転動可能に収容されている。
A first rear transport rod 17a and a second rear transport rod 17b are attached in parallel to each other between the pair of holders 20 and 20 on the rear side in the transport direction. Similarly, the first front conveyance rod 18a and the second front conveyance rod are disposed between the pair of holders 20 and 20 in front of the conveyance chains 14 and 15 with respect to the first rear conveyance rod 17a and the second rear conveyance rod 17b. Rods 18b are attached in parallel to each other. Therefore, the first and second rear transport rods 17a, 17b and the first and second front transport rods 18a, 18b move integrally with the first and second transport chains 14, 15.
A pair of cam rollers 21 and 21 are supported on the outer side of each holder 20, and these cam rollers 21 and 21 are accommodated in rolling grooves 16 a provided in the respective guide rails 16 so as to be able to roll.

そして図2乃至図5において、第一及び第二後搬送ロッド17a,17bには、フィルムfで胴折りまたは胴巻きされたトイレットペーパ群Ta(以下、単にトイレットペーパ群Taという)を挟持するための適宜数の後搬送アーム22、…が取付けられている。後搬送アーム22は、上部に第一及び第二後搬送ロッド17a,17bに嵌合する第一嵌合凹部23及び第二嵌合凹部24を有するロッド係合部材25(係合部材)と、ロッド係合部材25の下部に設けられた支軸26回りに回動可能に支承された略棒状の押え部材27とを有している。
図4及び図5において、ロッド係合部材25に設けた第一嵌合凹部23は側方に開口する側面視略U字状の凹部形状を有しており、第一後搬送ロッド17aに嵌合可能である。また、第二嵌合凹部24は上方に開口する側面視略半円状の凹部形状を有しており、第二後搬送ロッド17bに嵌合可能である。
2 to 5, the first and second rear transport rods 17a and 17b are used to hold a toilet paper group Ta (hereinafter simply referred to as a toilet paper group Ta) folded or wound around with a film f. An appropriate number of rear transfer arms 22 are attached. The rear transfer arm 22 has a rod engagement member 25 (engagement member) having a first engagement recess 23 and a second engagement recess 24 that are fitted to the first and second rear transfer rods 17a, 17b on the upper part, It has a substantially rod-shaped presser member 27 that is rotatably supported around a support shaft 26 provided at the lower portion of the rod engaging member 25.
4 and 5, the first fitting recess 23 provided in the rod engaging member 25 has a substantially U-shaped recess shape that opens to the side, and is fitted to the first rear conveying rod 17a. Is possible. Further, the second fitting recess 24 has a substantially semicircular recess shape in a side view opened upward, and can be fitted to the second rear transport rod 17b.

しかもロッド係合部材25は例えば側面視略三角形状とされ、その斜辺に相当する側面25aには付勢部材として例えば板ばね28がネジ等で固着されている。この板ばね28は上下方向の両端部が円弧状に湾曲形成されており、上端の把持部28aは第一嵌合凹部23内に配置されて内部に第一後搬送ロッド17aを嵌合した際にその弾性によって回動可能に係止する。下端の付勢部28bは支軸26の下側で押え部材27を弾性的に押圧することで押え部材27を略垂直方向に垂下するようにしている。
また、押え部材27は支軸26の上部に断面略円弧状の凹部27aが形成されており、板ばね28の付勢部28bで押圧されて支軸26回りに付勢された凹部27aが第二後搬送ロッド17bに嵌合することで略垂直に保持された状態になる。ロッド係合部材25は図2及び図5に示すように支軸26のホルダを含む凹面25bが断面視略コ字状に形成され、その内部に押え部材27を収容可能とされている。
Moreover, the rod engaging member 25 has, for example, a substantially triangular shape when viewed from the side, and a leaf spring 28 is fixed to the side surface 25a corresponding to the oblique side as a biasing member with a screw or the like. The plate spring 28 has both ends in the vertical direction curved in a circular arc shape, and the upper gripping portion 28a is disposed in the first fitting recess 23, and the first rear transport rod 17a is fitted therein. It is locked to be rotatable by its elasticity. The urging portion 28b at the lower end is configured to suspend the presser member 27 in a substantially vertical direction by elastically pressing the presser member 27 below the support shaft 26.
The pressing member 27 has a concave portion 27a having a substantially arc-shaped cross section formed on the upper portion of the support shaft 26. The concave portion 27a pressed by the biasing portion 28b of the leaf spring 28 and biased around the support shaft 26 is the first. By being fitted to the second rear transfer rod 17b, it is held in a substantially vertical state. As shown in FIGS. 2 and 5, the rod engaging member 25 has a concave surface 25 b including a holder for the support shaft 26 formed in a substantially U shape in a sectional view, and can hold the pressing member 27 therein.

同様に、第一及び第二前搬送ロッド18a,18bには、トイレットペーパ群Taを挟持するための適宜数の前搬送アーム30、…が取付けられている。前搬送アーム30は後搬送アーム22と同一の構成であるロッド係合部材25,押え部材27,板ばね28を備えており、各部材には後搬送アーム22の各部材と同一の符号を用いて説明を省略する。 しかも、図4に示すように前搬送アーム30は後搬送アーム22に対して略線対称に構成されており、前搬送アーム30の押え部材27と後搬送アーム22の押え部材27を対向配置してトイレットペーパ群Taを前後から挟持する。本実施形態では、図3に示すように両側に直列に並んだ各3個のトイレットペーパtの各1個づつに対して各前搬送アーム30及び後搬送アーム22の押え部材27、27がそれぞれ周面に当接して挟持するように前搬送アーム30及び後搬送アーム22が配列されている。
そのため、本実施形態では、図2及び図3に示すように、第一及び第二後搬送ロッド17a、17bと第一及び第二前搬送ロッド18a、18bには、それぞれ3本の後搬送アーム22と前搬送アーム30が所定間隔で取付けられている。そのため、一列のトイレットペーパtの数の増減に応じて後搬送アーム22及び前搬送アーム30を着脱したり、取付け位置を変更することになる。
Similarly, an appropriate number of front transport arms 30 for sandwiching the toilet paper group Ta are attached to the first and second front transport rods 18a and 18b. The front transfer arm 30 includes a rod engaging member 25, a pressing member 27, and a leaf spring 28 having the same configuration as the rear transfer arm 22, and the same reference numerals as those of the rear transfer arm 22 are used for the respective members. The description is omitted. Moreover, as shown in FIG. 4, the front transfer arm 30 is configured to be substantially line symmetrical with respect to the rear transfer arm 22, and the pressing member 27 of the front transfer arm 30 and the pressing member 27 of the rear transfer arm 22 are arranged to face each other. The toilet paper group Ta is sandwiched from the front and rear. In this embodiment, as shown in FIG. 3, the pressing members 27 and 27 of the front transfer arm 30 and the rear transfer arm 22 are respectively provided for each of the three toilet papers t arranged in series on both sides. The front transfer arm 30 and the rear transfer arm 22 are arranged so as to be in contact with and sandwich the peripheral surface.
Therefore, in this embodiment, as shown in FIGS. 2 and 3, the first and second rear transport rods 17a and 17b and the first and second front transport rods 18a and 18b each have three rear transport arms. 22 and the front transfer arm 30 are attached at a predetermined interval. For this reason, the rear transfer arm 22 and the front transfer arm 30 are attached or detached or the attachment position is changed according to the increase or decrease in the number of toilet paper t in a row.

本実施形態による物品搬送装置1は上述の構成を備えており、次に作用を説明する。
先ず、トイレットペーパ群Taの搬送方法について説明すると、図1において、1列を3個接続してなるトイレットペーパtを1段3列で2段積み状態に組み込んだ状態で、エレベータによって上昇させることで上方に待ちかまえるフィルムfを胴折り状態にする。更にトイレットペーパ群Taを上昇させることで、図3及び図4に示すように前後に配列された各3本の対向する前後搬送アーム30,22間でトイレットペーパ群Taが挟持される。
この状態で、トイレットペーパ群Taに対して胴折り状態のフィルムfの両下部を互いに折り込んで溶着することで胴巻き状態になる。そして、各一対の第一及び第二搬送チェーン14、15を間欠搬送する。胴巻き状態のトイレットペーパ群Taの各停止位置で、フィルム両端耳部の上下フラップの折り重ねが順次行われ、その後、サイドヒータ12によって上下フラップの折り重ね部が溶着されることで包装が完了し、物品Tが得られる。
The article conveying apparatus 1 according to the present embodiment has the above-described configuration, and the operation will be described next.
First, a method for transporting the toilet paper group Ta will be described. In FIG. 1, the toilet paper t, which is formed by connecting three rows in one row, is lifted by an elevator in a state where two rows are stacked in one row and three rows. Then, the film f waiting upward is brought into a body folded state. Further, by raising the toilet paper group Ta, as shown in FIGS. 3 and 4, the toilet paper group Ta is sandwiched between the three front and rear transfer arms 30 and 22 arranged in the front and rear direction.
In this state, both lower portions of the film f in the body folded state are folded and welded to the toilet paper group Ta to be in a body wound state. And each pair of 1st and 2nd conveyance chains 14 and 15 are intermittently conveyed. At each stop position of the toilet paper group Ta in the body-wound state, the upper and lower flaps are folded in order on both ends of the film, and then the upper and lower flaps are welded by the side heater 12 to complete the packaging. Article T is obtained.

次に前後搬送アーム30,22の着脱操作について図6に沿って説明する。
例えば、物品Tとしてのトイレットペーパ群Taの一列の個数を3個から増減する場合、増減数に応じて第一及び第二前搬送ロッド18a、18b、第一及び第二後搬送ロッド17a、17bに対して前後搬送アーム30,22を増減のために着脱したり、位置変更する必要がある。また、搬送すべき物品がトイレットペーパtに代わって他の物品に変更された場合には、前後搬送アーム30,22の数の増減だけでなく、第一及び第二前搬送ロッド18a、18b、第一及び第二後搬送ロッド17a、17bに対する取付け位置を調整する必要がある。
これらの場合について、後搬送アーム22の着脱操作を例にとって説明する。先ず、図4に示す第一及び第二後搬送ロッド17a、17bによる物品Tの挟持可能位置から、押え部材27を支軸26回りに板ばね28の付勢部28bによる付勢力と反対方向に回動させる。すると、図6(a)に示すように、押え部材27の凹部27aが第二後搬送ロッド17bから離脱するため、ロッド係合部材25が第一後搬送ロッド17a回りに回動可能となり、そのために図6(b)に示すように第二嵌合凹部24が第一後搬送ロッド17aから下方に離脱する。
図6(b)に示す状態で、後搬送アーム22は第二後搬送ロッド17bから離れるために、第一後搬送ロッド17aに嵌合するU字状の第一嵌合凹部23が直線的に引き抜き可能になる。そして、ロッド係合部材25の第一嵌合凹部23を第一後搬送ロッド17aから引き抜くことで、板ばね28の把持部28aの付勢力で第一後搬送ロッド17aに係止されていた第一嵌合凹部23が外れ、後搬送アーム22を離脱できる。
Next, the attachment / detachment operation of the front and rear transfer arms 30 and 22 will be described with reference to FIG.
For example, when the number of one row of toilet paper group Ta as the article T is increased or decreased from 3, the first and second front transport rods 18a and 18b, the first and second rear transport rods 17a and 17b according to the increase / decrease number. On the other hand, it is necessary to attach and detach the front and rear transfer arms 30 and 22 or change their positions for increasing and decreasing. Further, when the article to be transported is changed to another article instead of the toilet paper t, not only the increase / decrease in the number of front and rear transport arms 30, 22 but also the first and second front transport rods 18a, 18b, It is necessary to adjust the mounting position with respect to the first and second rear transfer rods 17a and 17b.
These cases will be described by taking an example of an operation of attaching and detaching the rear transfer arm 22 as an example. First, from the position where the article T can be held by the first and second rear conveying rods 17a and 17b shown in FIG. 4, the pressing member 27 is moved around the support shaft 26 in the direction opposite to the urging force by the urging portion 28b of the leaf spring 28. Rotate. Then, as shown in FIG. 6A, the recess 27a of the pressing member 27 is detached from the second rear transport rod 17b, so that the rod engaging member 25 can be rotated around the first rear transport rod 17a. As shown in FIG. 6B, the second fitting recess 24 is detached downward from the first rear conveying rod 17a .
In the state shown in FIG. 6B, since the rear transfer arm 22 is separated from the second rear transfer rod 17b, the U-shaped first fitting recess 23 fitted to the first rear transfer rod 17a is linearly formed. Can be pulled out. Then, the first engagement recess 23 of the rod engagement member 25 is pulled out from the first rear conveyance rod 17a, whereby the first rear conveyance rod 17a is locked by the urging force of the gripping portion 28a of the leaf spring 28. The one fitting recess 23 is released, and the rear transfer arm 22 can be detached.

次に新たに後搬送アーム22を第一及び第二後搬送ロッド17a、17bに装着するには、上述の離脱操作の逆の操作を行えばよい。即ち、第一後搬送ロッド17aに対して斜め下方から第一嵌合凹部23を嵌合させることで、第一後搬送ロッド17aは板ばね28の把持部28aと第一嵌合凹部23との間に弾性的に係止される。次いで、後搬送アーム22を図6(b),(a)で第一後搬送ロッド17a回りに反時計回り方向に回動させると、第二嵌合凹部24が第二後搬送ロッド17bに嵌合し、板ばね28の付勢力で更に押え部材27が同一方向に回動して凹部27aが第二後搬送ロッド17bに嵌合する。
このようにして後搬送アーム22が第一及び第二操作ロッド17a、17bに保持される。
また、前搬送アーム30の第一及び第二前搬送ロッド18a、18bに対する着脱操作も同様に行えばよい。
Next, in order to newly attach the rear transfer arm 22 to the first and second rear transfer rods 17a and 17b, an operation reverse to the above-described detachment operation may be performed. That is, by fitting the first fitting recess 23 obliquely downward with respect to the first rear transport rod 17a, the first rear transport rod 17a is formed between the gripping portion 28a of the leaf spring 28 and the first fitting recess 23. It is elastically locked between them. Next, when the rear transfer arm 22 is rotated counterclockwise around the first rear transfer rod 17a in FIGS. 6B and 6A, the second fitting recess 24 is fitted into the second rear transfer rod 17b. Then, the pressing member 27 is further rotated in the same direction by the urging force of the leaf spring 28, and the recess 27a is fitted to the second rear conveying rod 17b.
In this way, the rear transfer arm 22 is held by the first and second operation rods 17a and 17b.
The attaching / detaching operation of the front transfer arm 30 with respect to the first and second front transfer rods 18a and 18b may be performed in the same manner.

上述のように本実施形態によれば、前後搬送アーム30,22について弾性を有する同一部品で形成しておらず、着脱を繰り返してもロッド係合部材25や押え部材27が塑性変形したり摩耗したりすることなく行うことができて耐久性が向上する。また、後搬送アーム22、前搬送アーム30の第一嵌合凹部23は別個に設けた把持部28aによって第一後搬送ロッド17aや第一前搬送ロッド18aに係合させたり離脱させるから、把持力が高くて物品搬送の安定性が向上し、着脱操作を繰り返す際に各搬送アーム22、30のロッド係合部材25が合成樹脂製等であっても塑性変形したり摩耗することはなく、耐久性が高い。しかも前後搬送アーム30,22の着脱操作を迅速に行えるから、物品の長さや幅のサイズ、或いは種類や数の変更に容易に対応できる。板ばね28による付勢構造が簡単なので、交換容易でメンテナンスも容易である。しかも合成樹脂製の搬送アーム22、30を金型で射出成形する際に、金型の構成が簡単であり、低コストになる。   As described above, according to the present embodiment, the front and rear transfer arms 30 and 22 are not formed of the same elastic part, and the rod engaging member 25 and the holding member 27 are plastically deformed or worn even when the attachment and detachment are repeated. The durability can be improved without doing so. Further, the first fitting recess 23 of the rear transfer arm 22 and the front transfer arm 30 is engaged with and detached from the first rear transfer rod 17a and the first front transfer rod 18a by the grip portion 28a provided separately. The force is high, the stability of the article conveyance is improved, and the rod engagement member 25 of each conveyance arm 22, 30 is not plastically deformed or worn when the attachment / detachment operation is repeated, High durability. Moreover, since the attaching / detaching operation of the front and rear transfer arms 30 and 22 can be performed quickly, it is possible to easily cope with changes in the length, width, type, or number of articles. Since the urging structure by the leaf spring 28 is simple, replacement is easy and maintenance is easy. In addition, when the synthetic resin-made transport arms 22 and 30 are injection-molded with a mold, the structure of the mold is simple and the cost is reduced.

なお、上述の実施形態において、付勢部材としての板ばね28は把持部28aと付勢部28bを一体に形成したが、別個に設けてもよい。
また、前後搬送アーム30,22は物品Tの搬送方向に直交する方向に配列するように第一及び第二搬送ロッド14,15に取付けたが、物品Tの搬送方向に配列するように第一及び第二搬送ロッド14,15に取付けてもよい。
また、物品Tを挟持する前後搬送アーム30,20はトイレットペーパ1個の周面毎に配列させたが、接続されるトイレットペーパ等の製品の数より多くまたは少なく配列させて構成してもよい。
板ばね28は付勢部材を構成するが、付勢部材として板ばね28に代えて巻きバネ等の各種の弾性部材を採用できる。
In the above-described embodiment, the leaf spring 28 as the urging member is formed integrally with the grip portion 28a and the urging portion 28b, but may be provided separately.
The front and rear transfer arms 30 and 22 are attached to the first and second transfer rods 14 and 15 so as to be arranged in a direction orthogonal to the transfer direction of the article T. However, the first and second transfer arms 30 and 22 are arranged in the transfer direction of the article T. And you may attach to the 2nd conveyance rods 14 and 15.
Further, the front and rear transfer arms 30 and 20 that sandwich the article T are arranged for each peripheral surface of one toilet paper, but may be configured to be arranged more or less than the number of products such as toilet paper to be connected. .
Although the leaf spring 28 constitutes an urging member, various elastic members such as a coil spring can be adopted as the urging member in place of the leaf spring 28.

本発明の実施の形態による物品搬送装置を含む物品包装機構に概略搬送処理ラインを示す斜視図である。It is a perspective view which shows a general | schematic conveyance processing line in the goods packaging mechanism containing the goods conveying apparatus by embodiment of this invention. 実施の形態による物品搬送装置の要部平面図である。It is a principal part top view of the article conveyance apparatus by embodiment. 搬送アームでトイレットペーパ群を挟持した状態を示す側面図である。It is a side view which shows the state which clamped the toilet paper group with the conveyance arm. 図3における搬送アームによる把持状態を示す正面図である。It is a front view which shows the holding state by the conveyance arm in FIG. 搬送アームのロッド係合部材を示すもので(a)は側面図、(b)は正面図、(c)は底面図である。The rod engaging member of a conveyance arm is shown, (a) is a side view, (b) is a front view, (c) is a bottom view. (a)、(b)、(c)は後搬送アームの第一及び第二後搬送ロッドに対する着脱工程を示す図である。(A), (b), (c) is a figure which shows the attachment or detachment process with respect to the 1st and 2nd back conveyance rod of a back conveyance arm.

符号の説明Explanation of symbols

1 物品搬送装置
14 第一搬送チェーン
15 第二搬送チェーン
17a 第一後搬送ロッド(第一搬送ロッド)
17b 第二後搬送ロッド(第二搬送ロッド)
18a 第一前搬送ロッド(第一搬送ロッド)
18b 第二前搬送ロッド(第二搬送ロッド)
22 後搬送アーム(搬送アーム)
23 第一嵌合凹部(第一嵌合部)
24 第二嵌合凹部(第二嵌合部)
25 ロッド係合部材(係合部材)
27 押え部材
27a 凹部(係止部)
28 板ばね(付勢部材)
28a 上端部(把持部)
28b 下端部(付勢部)
30 前搬送アーム(搬送アーム)
f フィルム(包装材)
t トイレットぺーパ(物品)
T 物品
1 Article Conveying Device 14 First Conveying Chain 15 Second Conveying Chain 17a First Rear Conveying Rod (First Conveying Rod)
17b Second rear transfer rod (second transfer rod)
18a First front transport rod (first transport rod)
18b Second front transport rod (second transport rod)
22 Rear transfer arm (transfer arm)
23 First fitting recess (first fitting part)
24 Second fitting recess (second fitting part)
25 Rod engagement member (engagement member)
27 Presser member 27a Concave portion (locking portion)
28 Leaf spring (biasing member)
28a Upper end (gripping part)
28b Lower end (biasing part)
30 Front transfer arm (transfer arm)
f Film (packaging material)
t Toilet paper (goods)
T article

Claims (3)

第一の搬送ロッド及び第二の搬送ロッドに着脱可能に取付けられた搬送アームによって物品を把持して搬送するようにした物品搬送装置において、
前記搬送アームは、
前記第一及び第二の搬送ロッドに異なる方向から着脱可能な第一の嵌合部及び第二の嵌合部を有すると共に前記第一の嵌合部で第一の搬送ロッド回りに回動可能な係合部材と、
物品を把持すると共に前記係合部材に回動可能に支持されていて物品を把持する位置で前記第二の搬送ロッドに係止する係止部が設けられている押え部材と、
前記係合部材に設けられていて前記押え部材の係止部を第二の搬送ロッドに付勢する付勢部材とを備え、
前記付勢部材は弾性板からなっていて前記第一の嵌合部で第一の搬送ロッドを弾性的に係止させる把持部を有している物品搬送装置。
In the article conveying apparatus configured to grip and convey an article by a conveying arm detachably attached to the first conveying rod and the second conveying rod,
The transfer arm is
The first and second transfer rods have a first fitting portion and a second fitting portion that can be attached and detached from different directions, and can be rotated around the first transfer rod by the first fitting portion. An engaging member;
A holding member that holds an article and is rotatably supported by the engagement member, and is provided with a locking portion that locks the second conveying rod at a position where the article is held;
A biasing member that is provided on the engagement member and biases the locking portion of the presser member against the second transport rod ;
The urging member includes an elastic plate, and has an gripping portion that elastically locks the first transport rod at the first fitting portion .
前記搬送アームは対向する一対の第一及び第二の搬送ロッドによってそれぞれ支持されて対向配置され、該対向する搬送アームの押え部材によって物品を挟持するようにした請求項1に記載の物品搬送装置。   2. The article conveying apparatus according to claim 1, wherein the conveying arm is supported and arranged oppositely by a pair of opposed first and second conveying rods, and the article is clamped by a pressing member of the opposed conveying arm. . 前記押え部材を付勢部材による付勢方向と反対側に回動させることで前記係合部材の第二の嵌合部が第二の搬送ロッドから離脱可能であり、前記係合部材が第二の搬送ロッドから離脱した位置で前記第一の搬送ロッドに対して第一の嵌合部が着脱可能とした請求項1または2に記載の物品搬送装置。   The second fitting portion of the engagement member can be detached from the second transport rod by rotating the pressing member in the direction opposite to the urging direction by the urging member, and the engagement member is second. The article conveying apparatus according to claim 1 or 2, wherein the first fitting portion can be attached to and detached from the first conveying rod at a position separated from the conveying rod.
JP2005164267A 2005-06-03 2005-06-03 Article conveying device Expired - Fee Related JP4820578B2 (en)

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