JP2013094369A - Belt tensioning device for token conveying belt conveyor - Google Patents

Belt tensioning device for token conveying belt conveyor Download PDF

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JP2013094369A
JP2013094369A JP2011239005A JP2011239005A JP2013094369A JP 2013094369 A JP2013094369 A JP 2013094369A JP 2011239005 A JP2011239005 A JP 2011239005A JP 2011239005 A JP2011239005 A JP 2011239005A JP 2013094369 A JP2013094369 A JP 2013094369A
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medal
belt
frame
bearing frame
belt conveyor
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JP5491479B2 (en
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Takatoshi Oya
高敏 大宅
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Jetter Co Ltd
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Jetter Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a low-cost belt tensioning device which can be installed without interfering with a token game machine or a token dispensing machine, and wherein a belt can be easily replaced.SOLUTION: A side face of a conveyor frame 31 is reciprocatively disposed with a bearing frame 32 journaling a drive roller 33, a position between longitudinal frame parts 32b before and after the bearing frame 32 is disposed with an adjustment member 34 having a width narrower than the interval thereof, positions before and after the bearing frame 32 of the side face of the conveyor frame 31 are provided with fixed overhanging pieces 31a at an interval larger than a reciprocating range of the bearing frame 32, screw shafts 35 turnably penetrate the front and rear overhanging pieces 31a and the front and rear longitudinal frame parts 32b, and are screwed into the adjustment member 34, nuts 35a are fixed to the screw shafts 35 projecting from the overhanging pieces 31a, compression springs 36 are interposed between the adjustment member 34 and the outside longitudinal frame part 32b, and a drive motor 38 rotating the drive roller 33 is installed to the bearing frame 32.

Description

本発明は、メダル遊技機とメダル貸し機にメダルを供給するメダル搬送ベルトコンベヤにおいて、そのベルトの張力を調整する技術に関する。   The present invention relates to a technique for adjusting the tension of a belt in a medal transport belt conveyor that supplies medals to a medal gaming machine and a medal lending machine.

遊技機島においては、メダル遊技機とメダル貸し機にメダルを供給する手段としてベルトコンベヤが一般的に使用されている。ベルトコンベヤは、ベルトに適度な張力を与えてローラーに圧接させ、駆動時にスリップしないようにしているが、長期間使用しているとベルトが徐々に伸びてスリップしやすくなるから、張力を定期的に調整する必要がある。   In gaming machine islands, belt conveyors are generally used as means for supplying medals to medal gaming machines and medal lending machines. The belt conveyor applies moderate tension to the belt and presses it against the rollers to prevent slippage during driving. However, if the belt conveyor is used for a long period of time, the belt will gradually stretch and become slippery. It is necessary to adjust to.

この張力を自動的に調整するためのベルト緊張装置として、例えば特許文献１に開示されている技術がある。この技術は、ベルトの復路を下方へループ状に引き出してテンションローラーに張架し、そのテンションローラーを圧縮バネで張力が作用するように付勢した構造を特徴としている。この技術によれば、ベルトが伸びた分、圧縮バネが復元し、一定の張力が常に作用して緊張を保持できる、というものである。   As a belt tensioning device for automatically adjusting the tension, there is a technique disclosed in Patent Document 1, for example. This technology is characterized by a structure in which the return path of the belt is drawn downward in a loop shape and stretched on a tension roller, and the tension roller is urged by a compression spring so that tension is applied. According to this technique, as the belt is extended, the compression spring is restored, and a constant tension always acts to maintain the tension.

ところで、長期間使用して圧縮バネが圧縮前の状態に復元すると、その後ベルトがさらに伸びても復元力が無いから緊張できず、ベルトの交換が必要になる。しかし、特許文献１に記載の技術では、ベルト緊張装置をベルトコンベヤの下方位置に設置するものであるから、遊技機島のレイアウトによってはメダル遊技機やメダル貸し機と干渉して設置できないことがあった。また、ループを形成するためにローラーが別途２個必要であるから、装置のコストもかかっていた。   By the way, if the compression spring is restored to the state before compression after being used for a long period of time, even if the belt is further stretched thereafter, there is no restoring force, so tension cannot be obtained, and the belt needs to be replaced. However, in the technique described in Patent Document 1, the belt tensioning device is installed at a position below the belt conveyor, so depending on the layout of the gaming machine island, it may not be installed due to interference with a medal gaming machine or medal lending machine. there were. Further, since two additional rollers are required to form the loop, the cost of the apparatus is also increased.

一方、ベルト緊張装置をベルトコンベヤのリターン位置に設けた技術が特許文献２に開示されている。この技術は、ネジ軸が突設されたローラーの軸受をコンベヤフレームに対して進退可能に設けてネジ軸をコンベヤフレームで軸支し、そのネジ軸とコンベヤフレームの間に圧縮バネを介装し、その圧縮バネと軸受の間及びコンベヤフレームから突出した位置のネジ軸にナットをそれぞれ螺合した構造を特徴としている。この技術によれば、外側のナットを回して圧縮バネを圧縮させることで、その発生した復元力でネジ軸に備えた軸受が外側へ移動してベルトを緊張できる、というものである。   On the other hand, Patent Document 2 discloses a technique in which a belt tensioning device is provided at a return position of a belt conveyor. In this technology, roller bearings with threaded shafts are provided so that they can move forward and backward with respect to the conveyor frame, and the threaded shaft is supported by the conveyor frame, and a compression spring is interposed between the threaded shaft and the conveyor frame. The nut is screwed between the compression spring and the bearing and the screw shaft at a position protruding from the conveyor frame. According to this technique, by rotating the outer nut to compress the compression spring, the bearing provided on the screw shaft moves outward by the generated restoring force, and the belt can be tensioned.

ところで、ベルトを交換する際は、軸受を内側へ移動させてベルトを緩ませる必要がある。しかし、特許文献２に記載の技術では、ナットをベルトが交換可能な状態となるまで圧縮バネの圧縮方向に回し続ける必要があり、労力を伴う作業であった。   By the way, when exchanging the belt, it is necessary to move the bearing inward to loosen the belt. However, in the technique described in Patent Document 2, it is necessary to continue to turn the nut in the compression direction of the compression spring until the belt can be replaced, which is a labor-intensive operation.

特開２００４−２１５８８２号公報JP 2004-215882 A 実公平６−３０７４３号公報No. 6-30743

本発明が解決しようとする課題は、従来のこれらの問題点を解消し、メダル遊技機やメダル貸し機と干渉することなく設置でき、しかもベルトの交換も容易に行える低コストのベルト緊張装置を提供することにある。   The problem to be solved by the present invention is to solve these conventional problems, and to provide a low-cost belt tensioning device that can be installed without interfering with a medal game machine or a medal lending machine and that can be easily replaced with a belt. It is to provide.

かかる課題を解決した本発明の構成は、
１） メダル遊技設備で使用するメダルを搬送するためのメダル搬送ベルトコンベヤにおいて、駆動ローラーと従動ローラーの間に張架したベルトの張力を駆動ローラーの位置で調整するベルト緊張装置であって、前記メダル搬送ベルトコンベヤの固定されたコンベヤフレームの側面位置に駆動ローラーを軸支する軸受フレームを進退可能に配置し、その軸受フレームの前後に有する縦フレーム部間の位置にその縦フレーム部間の間隔より狭幅の調整部材を配置し、コンベヤフレームの側面の軸受フレームの前後位置に固定の張出片を軸受フレームの進退範囲より大きい間隔をおいて設け、その前後の張出片と軸受フレームの前後の縦フレーム部にネジ軸を回転自在に貫通して調整部材と螺合し、そのネジ軸を回転操作する回転操作部を設け、調整部材と軸受フレームの外側の縦フレーム部の間に圧縮バネを介装し、駆動ローラーを回転させるモーターを軸受フレームに取り付けたことを特徴とする、メダル搬送ベルトコンベヤのベルト緊張装置
２） 回転操作部をコンベヤフレームの張出片から突出したネジ軸の軸端に設けた、前記１）記載のメダル搬送ベルトコンベヤのベルト緊張装置
３） メダル搬送ベルトコンベヤが、メダル遊技機とメダル貸し機にメダルを供給するメダル供給ベルトコンベヤとして用いられるものである、前記１）又は２）記載のメダル搬送ベルトコンベヤのベルト緊張装置
４） メダル搬送ベルトコンベヤが、メダル遊技機で使用されたメダルを回収するメダル回収ベルトコンベヤとして用いられるものである、前記１）又は２）記載のメダル搬送ベルトコンベヤのベルト緊張装置
にある。 The configuration of the present invention that solves this problem is as follows.
1) A belt tensioning device for adjusting a tension of a belt stretched between a driving roller and a driven roller at a position of a driving roller in a medal transporting belt conveyor for transporting medals used in a medal gaming facility, A bearing frame that pivotally supports the drive roller is disposed at a side position of the conveyor frame to which the medal transport belt conveyor is fixed so that the bearing frame can be moved forward and backward. A narrower adjustment member is arranged, and fixed projecting pieces are provided at the front and rear positions of the bearing frame on the side surface of the conveyor frame at a larger interval than the advance and retreat range of the bearing frame. A threaded shaft is rotatably passed through the front and rear vertical frame parts, screwed into the adjustment member, and a rotational operation unit that rotates the threaded shaft is provided. A belt tensioning device for a medal conveyor belt conveyor 2) characterized in that a compression spring is interposed between the adjustment member and a vertical frame portion outside the bearing frame, and a motor for rotating the driving roller is attached to the bearing frame. The belt tensioning device for the medal transport belt conveyor described in 1) above, in which the operation unit is provided at the shaft end of the screw shaft protruding from the protruding piece of the conveyor frame. 3) The medal transport belt conveyor is used as a medal game machine and a medal lending machine. The belt tensioning device of the medal transport belt conveyor described in 1) or 2), which is used as a medal supply belt conveyor for supplying medals. 4) The medal transport belt conveyor collects medals used in the medal game machine. The medal transport belt conveyor according to 1) or 2), which is used as a medal recovery belt conveyor. In the belt tensioning device of Beya.

本発明によるベルトの緊張は以下の手順で行われる。
１）回転操作部で調整部材が外側へ移動するようにネジ軸を回転させて圧縮バネを圧縮させる。
２）圧縮バネがその復元力で軸受フレームの外側の縦フレーム部を押して軸受フレームが外側へ移動し、駆動ローラーと従動ローラーの間隔が拡大してベルトが一定の張力で緊張される。
３）使用中にベルトが伸びると、その伸びた分、圧縮バネの復元力で軸受フレームが外側へ自然に移動し、一定の張力が常に作用して緊張が保持される。
４）圧縮バネが圧縮前の状態に復元し、その後ベルトがさらに伸びてこれ以上緊張できなくなった場合は、回転操作部で調整部材を外側へさらに移動させ、圧縮バネを圧縮して復元力を発生させることで、伸びたベルトが再び緊張される。 The belt tension according to the present invention is performed in the following procedure.
1) The screw spring is rotated so that the adjustment member moves outward by the rotation operation unit, and the compression spring is compressed.
2) The compression spring pushes the vertical frame portion outside the bearing frame with its restoring force to move the bearing frame outward, and the distance between the driving roller and the driven roller is increased, and the belt is tensioned with a constant tension.
3) When the belt stretches during use, the bearing frame naturally moves outward by the restoring force of the compression spring, and a constant tension always acts to maintain the tension.
4) When the compression spring is restored to its pre-compression state, and the belt is further stretched and cannot be further tensioned, the adjustment member is further moved outward by the rotary operation unit, and the compression spring is compressed to increase the restoring force. By generating, the stretched belt is tensioned again.

本発明によるベルトの交換は以下の手順で行われる。
１）回転操作部で調整部材が内側へ移動するようにネジ軸を回転させる。
２）調整部材が軸受フレームの内側の縦フレーム部を押して軸受フレームが内側へ移動し、駆動ローラーと従動ローラーの間隔が縮小してベルトが緩む。
３）緩んだベルトを引き出して新しいベルトと交換する。
４）交換後は回転操作部で調整部材を外側へ移動させ、圧縮バネの復元力で軸受フレームを外側へ移動させてベルトを緊張する。 The belt replacement according to the present invention is performed according to the following procedure.
1) The screw shaft is rotated so that the adjustment member moves inward by the rotation operation unit.
2) The adjustment member pushes the vertical frame portion inside the bearing frame to move the bearing frame inward, the interval between the driving roller and the driven roller is reduced, and the belt is loosened.
3) Pull out the loose belt and replace it with a new belt.
4) After the replacement, the adjustment member is moved outward by the rotation operation portion, and the bearing frame is moved outward by the restoring force of the compression spring to tension the belt.

このように、ベルト緊張装置がベルトコンベヤの駆動ローラーの位置に有しているから、ベルトコンベヤの下方のメダル遊技機やメダル貸し機と干渉することなく設置でき、遊技機島のレイアウトの制限を受け難いものとなる。また、ベルトの交換時は、軸受フレームが内側（圧縮バネが復元する方向）へ移動するように操作するから、小さい力で楽に作業できる。さらに、駆動ローラーはテンションローラーとしても作用するから、従来技術のようにテンションローラーを別途取り付ける必要がなく、装置を低コストで製作できる。   Thus, since the belt tensioning device is located at the position of the driving roller of the belt conveyor, it can be installed without interfering with the medal gaming machine or medal lending machine below the belt conveyor, and the layout of the gaming machine island is limited. It will be difficult to receive. In addition, when the belt is replaced, the operation is performed so that the bearing frame moves inward (in the direction in which the compression spring is restored). Furthermore, since the drive roller also acts as a tension roller, it is not necessary to separately attach a tension roller as in the prior art, and the device can be manufactured at low cost.

実施例の遊技機島の説明図である。It is explanatory drawing of the game machine island of an Example. 実施例のベルト緊張装置の側面図である。It is a side view of the belt tensioning apparatus of an Example. 実施例のベルト緊張装置の平面図である。It is a top view of the belt tension device of an Example. 実施例のベルト緊張装置の端面図である。It is an end view of the belt tension device of an Example. 図４のＡ−Ａ線断面図である。It is the sectional view on the AA line of FIG. 図４のＢ−Ｂ線断面図である。It is the BB sectional view taken on the line of FIG. 実施例のベルトの緊張手順を示す説明図である。It is explanatory drawing which shows the tension | tensile_strength procedure of the belt of an Example. 実施例のベルトの交換手順を示す説明図である。It is explanatory drawing which shows the replacement | exchange procedure of the belt of an Example.

以下、本発明を実施するための形態を実施例と図面に基づいて具体的に説明する。   DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments for carrying out the present invention will be specifically described based on examples and drawings.

図１は実施例の遊技機島の説明図、図２は実施例のベルト緊張装置の側面図、図３は実施例のベルト緊張装置の平面図、図４は実施例のベルト緊張装置の端面図、図５は図４のＡ−Ａ線断面図、図６は図４のＢ−Ｂ線断面図、図７は実施例のベルトの緊張手順を示す説明図、図８は実施例のベルトの交換手順を示す説明図である。   FIG. 1 is an explanatory view of the gaming machine island of the embodiment, FIG. 2 is a side view of the belt tensioning device of the embodiment, FIG. 3 is a plan view of the belt tensioning device of the embodiment, and FIG. 5 is a cross-sectional view taken along line AA in FIG. 4, FIG. 6 is a cross-sectional view taken along line BB in FIG. 4, FIG. 7 is an explanatory view showing a tensioning procedure of the belt of the embodiment, and FIG. It is explanatory drawing which shows the replacement | exchange procedure.

図中、１はメダル遊技機、２はメダル貸し機、３はメダル供給ベルトコンベヤ、３０はベルト緊張装置、３１はコンベヤフレーム、３１ａは張出片、３１ｂは開口、３２は軸受フレーム、３２ａは軸穴、３２ｂは縦フレーム部、３３は駆動ローラー、３３ａは軸、３４は調整部材、３４ａはネジ穴、３５はネジ軸、３５ａはナット（回転操作部）、３６は圧縮バネ、３７はベルト、３８はモーター、３８ａは取付台、３８ｂ，３８ｃはスプロケット、３８ｄはチェーン、３９は従動ローラー、４はメダル供給装置、５はメダル分配装置、６はメダル補給シュート、７はメダル回収ベルトコンベヤである。   In the figure, 1 is a medal game machine, 2 is a medal lending machine, 3 is a medal supply belt conveyor, 30 is a belt tensioning device, 31 is a conveyor frame, 31a is a protruding piece, 31b is an opening, 32 is a bearing frame, 32a is Shaft hole, 32b is a vertical frame part, 33 is a driving roller, 33a is a shaft, 34 is an adjustment member, 34a is a screw hole, 35 is a screw shaft, 35a is a nut (rotation operation part), 36 is a compression spring, 37 is a belt , 38 is a motor, 38a is a mounting base, 38b and 38c are sprockets, 38d is a chain, 39 is a driven roller, 4 is a medal supply device, 5 is a medal distribution device, 6 is a medal supply chute, and 7 is a medal recovery belt conveyor. is there.

本実施例の遊技機島は、図１に示すように、隣設したメダル遊技機１及びメダル貸し機２と、これらにメダルを搬送するメダル供給ベルトコンベヤ３と、メダル供給ベルトコンベヤ３にメダルを供給するメダル供給装置４と、メダル供給ベルトコンベヤ３上のメダルをメダル遊技機１とメダル貸し機２に分配するメダル分配装置５と、メダル分配装置５に分配されたメダルをメダル遊技機１とメダル貸し機２の内部に補給するメダル補給シュート６と、メダル遊技機１で使用されたメダルをメダル供給装置４に回収するメダル回収ベルトコンベヤ７とで構成している。ベルト緊張装置３０はメダル供給ベルトコンベヤ３及びメダル回収ベルトコンベヤ７のモーター３８の位置に取り付けている。   As shown in FIG. 1, the gaming machine island of the present embodiment includes an adjacent medal gaming machine 1 and medal lending machine 2, a medal supply belt conveyor 3 that conveys medals to these, and a medal supply belt conveyor 3. A medal supply device 4, a medal distribution device 5 for distributing medals on the medal supply belt conveyor 3 to the medal gaming machine 1 and the medal lending machine 2, and a medal distributed to the medal distribution device 5 for the medal gaming machine 1. And a medal supply chute 6 for replenishing the inside of the medal lending machine 2 and a medal recovery belt conveyor 7 for recovering the medals used in the medal gaming machine 1 to the medal supply device 4. The belt tensioning device 30 is attached to the position of the motor 38 of the medal supply belt conveyor 3 and the medal recovery belt conveyor 7.

ベルト緊張装置３０のコンベヤフレーム３１は、図２〜６に示すように、一方の端部の左右側面に張出片３１ａを前後に突設し、その前後の張出片３１ａ間の側面に楕円状の開口３１ｂを形成している。軸受フレーム３２は、軸穴３２ａを開口し、前後に縦フレーム部３２ｂを備えている。駆動ローラー３３は左右側面に軸３３ａを備えている。調整部材３４は上下にネジ穴３４ａを形成している。従動ローラー３９は、コンベヤフレーム３１の他方の端部に回転自在に軸支している。   As shown in FIGS. 2 to 6, the conveyor frame 31 of the belt tensioning device 30 has protruding pieces 31a projecting forward and backward on the left and right side surfaces of one end, and elliptical on the side surfaces between the protruding pieces 31a. Shaped opening 31b is formed. The bearing frame 32 opens a shaft hole 32a, and includes a vertical frame portion 32b at the front and rear. The drive roller 33 includes shafts 33a on the left and right side surfaces. The adjustment member 34 is formed with screw holes 34a on the top and bottom. The driven roller 39 is rotatably supported at the other end of the conveyor frame 31.

このコンベヤフレーム３１の開口３１ｂに駆動ローラー３３の軸３３ａを通し、前後の張出片３１ａ間の位置に軸受フレーム３２を配置して駆動ローラー３３の軸３３ａを軸穴３２ａで軸支し、その駆動ローラー３３と従動ローラー３９の間にベルト３７を張架している。軸受フレーム３２の前後の縦フレーム部３２ｂ間の位置には調整部材３４を配置し、その調整部材３４と軸受フレーム３２の外側（図２において左側）の縦フレーム部３２ｂの間に圧縮バネ３６を介装し、ネジ軸３５を前後の張出片３１ａと前後の縦フレーム部３２ｂと圧縮バネ３６に回転自在に貫通して調整部材３４のネジ穴３４ａと螺合し、前後の張出片３１ａから突出したネジ軸３５の軸端にナット３５ａを固着している。モーター３８は、左右の軸受フレーム３２の上部に取付台３８ａで取り付け、そのモーター３８の出力軸に設けたスプロケット３８ｂと駆動ローラー３３の軸３３ａに設けたスプロケット３８ｃの間にチェーン３８ｄを張架している。   The shaft 33a of the driving roller 33 is passed through the opening 31b of the conveyor frame 31, the bearing frame 32 is disposed at a position between the front and rear protruding pieces 31a, and the shaft 33a of the driving roller 33 is pivotally supported by the shaft hole 32a. A belt 37 is stretched between the driving roller 33 and the driven roller 39. An adjustment member 34 is disposed between the front and rear vertical frame portions 32b of the bearing frame 32, and a compression spring 36 is provided between the adjustment member 34 and the vertical frame portion 32b outside the bearing frame 32 (left side in FIG. 2). The screw shaft 35 is rotatably passed through the front and rear projecting pieces 31a, the front and rear vertical frame portions 32b, and the compression spring 36, and is screwed into the screw holes 34a of the adjustment member 34. A nut 35 a is fixed to the shaft end of the screw shaft 35 protruding from the nut. The motor 38 is attached to the upper part of the left and right bearing frames 32 with a mounting base 38a, and a chain 38d is stretched between a sprocket 38b provided on the output shaft of the motor 38 and a sprocket 38c provided on the shaft 33a of the drive roller 33. ing.

なお、回転操作部であるナット３５ａはネジ軸３５に溶着すると、１箇所で正逆の回転操作ができる。また、ナット３５ａの他、ボルトや脱着可能な手回しハンドルなどを用いてもよい。   In addition, when the nut 35a which is a rotation operation part is welded to the screw shaft 35, forward and reverse rotation operations can be performed at one place. In addition to the nut 35a, a bolt or a detachable handwheel handle may be used.

この構造により、図２において、左右いずれかのナット３５ａを回すと、ネジ軸３５が定位置で回転し、調整部材３４が左右いずれかに移動する。ナット３５ａを止めると調整部材３４は定位置に保持される。調整部材３４が左方向へ移動すると圧縮バネ３６が圧縮され、その復元力で軸受フレーム３２の左側の縦フレーム部３２ｂを押して軸受フレーム３２が左方向へ移動し、駆動ローラー３３と従動ローラー３９の間隔が拡大する。逆に調整部材３４を右方向へ移動させると、その調整部材３４が軸受フレーム３２の右側の縦フレーム部３２ｂを押して軸受フレーム３２が右方向へ移動し、駆動ローラー３３と従動ローラー３９の間隔が縮小する。モーター３８は軸受フレーム３２に取り付けられているから、軸受フレーム３２が移動しても駆動ローラー３３とモーター３８の間隔は変化せず、駆動力の伝達に影響はない。   With this structure, when one of the left and right nuts 35a is rotated in FIG. 2, the screw shaft 35 rotates at a fixed position, and the adjustment member 34 moves to either the left or right. When the nut 35a is stopped, the adjustment member 34 is held in a fixed position. When the adjustment member 34 moves to the left, the compression spring 36 is compressed. With the restoring force thereof, the left side vertical frame portion 32b of the bearing frame 32 is pushed to move the bearing frame 32 to the left, and the driving roller 33 and the driven roller 39 Increase the spacing. Conversely, when the adjustment member 34 is moved in the right direction, the adjustment member 34 pushes the vertical frame portion 32b on the right side of the bearing frame 32 to move the bearing frame 32 in the right direction, and the distance between the driving roller 33 and the driven roller 39 is increased. to shrink. Since the motor 38 is attached to the bearing frame 32, even if the bearing frame 32 moves, the distance between the driving roller 33 and the motor 38 does not change, and transmission of driving force is not affected.

本実施例では、図７（ａ）に示すように、左側のナット３５ａを回して調整部材３４を左方向へ移動させると、圧縮バネ３６の復元力で軸受フレーム３２が左方向へ移動してベルト３７が緊張される。適切な張力が作用したときにナット３５ａを止め、調整部材３４を定位置に保持する。その後、使用中にベルト３７が徐々に伸びるが、図７（ｂ）に示すように、ベルト３７が伸びた分、圧縮バネ３６の復元力で軸受フレーム３２が左方向へ自然に移動して一定の張力が作用し、緊張が常に保持される。   In this embodiment, as shown in FIG. 7A, when the left nut 35a is turned to move the adjustment member 34 to the left, the restoring force of the compression spring 36 moves the bearing frame 32 to the left. The belt 37 is tensioned. When an appropriate tension is applied, the nut 35a is stopped and the adjusting member 34 is held in place. Thereafter, the belt 37 gradually expands during use. As shown in FIG. 7B, the bearing frame 32 naturally moves to the left by the restoring force of the compression spring 36 and is constant as the belt 37 extends. The tension is applied and the tension is always maintained.

圧縮バネ３６が圧縮前の状態に近くなって復元力が弱くなるか又は圧縮前の状態に復元して復元力が無くなると、ベルト３７がさらに伸びてもこれ以上緊張できなくなる。この場合、図７（ｃ）に示すように、左側のナット３５ａを回して調整部材３４を左方向へさらに移動させると、圧縮バネ３６が圧縮されて復元力が再度発生し、伸びたベルト３７が緊張される。しかし、これを繰り返すと、図７（ｄ）に示すように、いずれは軸受フレーム３２の左側の縦フレーム部３２ｂがコンベヤフレーム３１の左側の張出片３１ａに接触して軸受フレーム３２が移動できなくなり、調整部材３４をさらに左方向へ移動させて圧縮バネ３６を圧縮しても、軸受フレーム３２は左方向へ移動しないので緊張力が発生せず、緊張不能となる。   If the compression spring 36 is close to the state before compression and the restoring force is weakened or restored to the state before compression and the restoring force is lost, no further tension can be obtained even if the belt 37 further extends. In this case, as shown in FIG. 7C, when the left nut 35a is turned to further move the adjusting member 34 in the left direction, the compression spring 36 is compressed and a restoring force is generated again, and the extended belt 37 Is nervous. However, if this is repeated, as shown in FIG. 7 (d), the vertical frame portion 32b on the left side of the bearing frame 32 eventually contacts the protruding piece 31a on the left side of the conveyor frame 31, and the bearing frame 32 can move. Even if the adjustment member 34 is further moved to the left and the compression spring 36 is compressed, the bearing frame 32 does not move to the left, so that no tension is generated and tension is impossible.

この場合はベルト３７の交換が必要となる。図８（ａ）に示すように、左側のナット３５ａを反対方向に回して調整部材３４を右方向へ移動させると、調整部材３４が軸受フレーム３２の右側の縦フレーム部３２ｂを押して軸受フレーム３２が右方向へ移動し、駆動ローラー３３と従動ローラー３９の間隔が縮小してベルト３７が緩む。そして、図８（ｂ）に示すように、緩んだベルト３７を引き上げて新しいベルト３７と交換する。あるいは、ベルト３７を伸びた分だけ切り取って両端部を接続しても良い。交換後は、図８（ｃ）に示すように、左側のナット３５ａを回して調整部材３４を左方向へ移動させ、圧縮バネ３６の復元力で軸受フレーム３２を左方向へ移動させ、ベルト３７を適切な張力で緊張する。また、緊張力が作用している状態であっても、何らかのトラブルでベルト３７が断裂し、新しいベルト３７に交換するか又は断裂した部分を再接続する時にも、前記と同様にして作業が可能である。   In this case, the belt 37 needs to be replaced. As shown in FIG. 8A, when the left nut 35a is turned in the opposite direction to move the adjustment member 34 to the right, the adjustment member 34 pushes the vertical frame portion 32b on the right side of the bearing frame 32 to thereby cause the bearing frame 32 to move. Moves to the right, the distance between the driving roller 33 and the driven roller 39 is reduced, and the belt 37 is loosened. Then, as shown in FIG. 8B, the loose belt 37 is pulled up and replaced with a new belt 37. Alternatively, both ends may be connected by cutting out the belt 37 as much as possible. After the replacement, as shown in FIG. 8C, the left nut 35a is turned to move the adjustment member 34 to the left, the bearing frame 32 is moved to the left by the restoring force of the compression spring 36, and the belt 37 Tension with appropriate tension. Even when tension is applied, when the belt 37 is torn due to some trouble and replaced with a new belt 37 or reconnected, the work can be performed in the same manner as described above. It is.

なお、本実施例ではメダル供給ベルトコンベヤ３に取り付けたベルト緊張装置３０について説明したが、メダル回収ベルトコンベヤ７に取り付けたベルト緊張装置３０も構成及び作用効果は同じである。   In the present embodiment, the belt tensioning device 30 attached to the medal supply belt conveyor 3 has been described. However, the belt tensioning device 30 attached to the medal recovery belt conveyor 7 has the same configuration and operational effects.

本発明の技術は、主としてメダル遊技設備に利用されるが、汎用のベルトコンベヤにも応用できる。   The technology of the present invention is mainly used for medal game facilities, but can also be applied to general-purpose belt conveyors.

１ メダル遊技機
２ メダル貸し機
３ メダル供給ベルトコンベヤ
３０ ベルト緊張装置
３１ コンベヤフレーム
３１ａ 張出片
３１ｂ 開口
３２ 軸受フレーム
３２ａ 軸穴
３２ｂ 縦フレーム部
３３ 駆動ローラー
３３ａ 軸
３４ 調整部材
３４ａ ネジ穴
３５ ネジ軸
３５ａ ナット（回転操作部）
３６ 圧縮バネ
３７ ベルト
３８ モーター
３８ａ 取付台
３８ｂ，３８ｃ スプロケット
３８ｄ チェーン
３９ 従動ローラー
４ メダル供給装置
５ メダル分配装置
６ メダル補給シュート
７ メダル回収ベルトコンベヤ DESCRIPTION OF SYMBOLS 1 Medal gaming machine 2 Medal lending machine 3 Medal supply belt conveyor 30 Belt tensioning device 31 Conveyor frame 31a Overhang piece 31b Opening 32 Bearing frame 32a Shaft hole 32b Vertical frame portion 33 Drive roller 33a Shaft 34 Adjusting member 34a Screw hole 35 Screw shaft 35a Nut (Rotation operation part)
36 compression spring 37 belt 38 motor 38a mounting base 38b, 38c sprocket 38d chain 39 driven roller 4 medal supply device 5 medal distribution device 6 medal supply chute 7 medal recovery belt conveyor

Claims (4)

メダル遊技設備で使用するメダルを搬送するためのメダル搬送ベルトコンベヤにおいて、駆動ローラーと従動ローラーの間に張架したベルトの張力を駆動ローラーの位置で調整するベルト緊張装置であって、前記メダル搬送ベルトコンベヤの固定されたコンベヤフレームの側面位置に駆動ローラーを軸支する軸受フレームを進退可能に配置し、その軸受フレームの前後に有する縦フレーム部間の位置にその縦フレーム部間の間隔より狭幅の調整部材を配置し、コンベヤフレームの側面の軸受フレームの前後位置に固定の張出片を軸受フレームの進退範囲より大きい間隔をおいて設け、その前後の張出片と軸受フレームの前後の縦フレーム部にネジ軸を回転自在に貫通して調整部材と螺合し、そのネジ軸を回転操作する回転操作部を設け、調整部材と軸受フレームの外側の縦フレーム部の間に圧縮バネを介装し、駆動ローラーを回転させるモーターを軸受フレームに取り付けたことを特徴とする、メダル搬送ベルトコンベヤのベルト緊張装置。   A belt tensioning device for adjusting a tension of a belt stretched between a driving roller and a driven roller at a position of a driving roller in a medal conveying belt conveyor for conveying a medal used in a medal game facility, wherein the medal conveying A bearing frame that pivotally supports the driving roller is disposed at the side position of the conveyor frame to which the belt conveyor is fixed so that the bearing frame can be moved forward and backward, and the position between the longitudinal frame portions at the front and rear of the bearing frame is narrower than the interval between the longitudinal frame portions. A width adjusting member is arranged, and fixed projecting pieces are provided at a position larger than the forward and backward range of the bearing frame at the front and rear positions of the bearing frame on the side surface of the conveyor frame. The vertical frame part is threaded through the screw shaft so that it can rotate freely. Interposed a compression spring between the longitudinal frame portions of the outer timber and the bearing frame, a motor for rotating the drive roller, characterized in that mounted on the bearing frame, the medal transporting belt conveyor of the belt tensioning device. 回転操作部をコンベヤフレームの張出片から突出したネジ軸の軸端に設けた、請求項１記載のメダル搬送ベルトコンベヤのベルト緊張装置。   2. The belt tensioning device for a medal transport belt conveyor according to claim 1, wherein the rotation operation portion is provided at a shaft end of a screw shaft protruding from the projecting piece of the conveyor frame. メダル搬送ベルトコンベヤが、メダル遊技機とメダル貸し機にメダルを供給するメダル供給ベルトコンベヤとして用いられるものである、請求項１又は２記載のメダル搬送ベルトコンベヤのベルト緊張装置。   The belt tensioning device for a medal transport belt conveyor according to claim 1 or 2, wherein the medal transport belt conveyor is used as a medal supply belt conveyor for supplying medals to a medal game machine and a medal lending machine. メダル搬送ベルトコンベヤが、メダル遊技機で使用されたメダルを回収するメダル回収ベルトコンベヤとして用いられるものである、請求項１又は２記載のメダル搬送ベルトコンベヤのベルト緊張装置。   The belt tensioning device for a medal transport belt conveyor according to claim 1 or 2, wherein the medal transport belt conveyor is used as a medal recovery belt conveyor for recovering medals used in a medal game machine.
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Publication number Priority date Publication date Assignee Title
JP2016209464A (en) * 2015-05-13 2016-12-15 株式会社ジェッター Belt conveyor apparatus
JP2016209465A (en) * 2015-05-13 2016-12-15 株式会社ジェッター Belt conveyor apparatus
JP2016209463A (en) * 2015-05-13 2016-12-15 株式会社ジェッター Belt conveyor apparatus
JP2017075045A (en) * 2015-10-16 2017-04-20 株式会社ジェッター Belt conveyor device

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Publication number Priority date Publication date Assignee Title
JP2016209464A (en) * 2015-05-13 2016-12-15 株式会社ジェッター Belt conveyor apparatus
JP2016209465A (en) * 2015-05-13 2016-12-15 株式会社ジェッター Belt conveyor apparatus
JP2016209463A (en) * 2015-05-13 2016-12-15 株式会社ジェッター Belt conveyor apparatus
JP2017075045A (en) * 2015-10-16 2017-04-20 株式会社ジェッター Belt conveyor device

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