JP2010148552A - Ball lifting device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a ball lifting device which is installed in a ball lifting device storage part of a Pachinko island base and lifts Pachinko balls by a conveying belt, the ball lifting device having the widened installation space of equipment provided inside the Pachinko island base. <P>SOLUTION: The lowering surface of the conveying belt 15 is pressed to a position to be housed inside the other side face of a lifting cylinder body 12 by an upper pressing lower 60 at the upper part of the ball lifting device 10, and the lowering surface of the conveying belt 15 is pressed to the state of being housed inside the other side face of the lifting cylinder body 12 by a first tension roller 31 at the lower part of the ball lifting device 10. Thus, since the entire ball lifting device 10 can be made slim, the horizontal width dimension of the ball lifting device storage part 3 is narrowed. As a result, the installation space of the equipment provided inside the Pachinko island base 1 is widened. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention provides pachinko balls that are installed in a ball lifting device storage section formed on a pachinko island platform and that are supplied to a plurality of gaming machines arranged on the pachinko island platform, on the upper and lower sides of the transport cylinder main body. The present invention relates to a ball lifting device that lifts a belt by means of a conveyor belt that circulates between an upper roller and a lower roller that are rotatably supported at each end.

Conventionally, generally, a pachinko island platform in which a plurality of gaming machines (for example, pachinko machines) are arranged is supplied to a plurality of pachinko island platform gaming machines as disclosed in Patent Documents 1 to 3. A ball lifting device for lifting pachinko balls is provided. As shown in FIG. 16, such a ball lifting device 110 is installed in a ball lifting device storage portion 101 formed in the center of the pachinko island platform 100 and is rotatable up and down the lifting cylinder main body 111. The pachinko balls are lifted by a conveyor belt 115 that is circulated between an upper roller 112 and a lower roller 113 that are pivotally supported by a motor 114 by driving of a motor 114. In addition, a plurality of tension rollers 116 to 118 that apply tension to the conveyor belt 115 by pressing down the descending surface of the conveyor belt 115 that circulates from the upper roller 112 are provided at the lower part of the ball lifting device 110. ing.
Japanese Utility Model Publication No. 5-5183 (FIG. 6) Japanese Patent Laid-Open No. 10-118317 (FIG. 3) JP-A-10-192540 (FIG. 2)

By the way, in the configuration of the above-mentioned Patent Document 1, as shown in FIG. 16, the side surface of the feed cylinder main body 111 that is a surface orthogonal to the axial direction of each of the upper roller 112 and the lower roller 113 is the diameter dimension of the upper roller 112. Narrower width dimensions were set. For this reason, the descending surface of the conveyor belt 115 that circulates from the upper roller 112 and is fed to the tension rollers 116 to 118 protrudes forward (leftward in FIG. 16) from the side surface of the lifting cylinder body 111. It becomes the state of. Accordingly, when such a ball lifting device 110 is installed in the pachinko island platform 100 in the state shown in FIG. 16 (a state in which the longitudinal direction of the ball lifting device 110 is parallel to the longitudinal direction of the pachinko island platform 100) ( In the case of sideways storage), the lateral width dimension of the ball lifting device storage unit 101 is increased by an amount so that the descending surface of the conveyor belt 115 protruding to the front of the lifting cylinder main body 111 does not interfere with other components. It was necessary to take
Further, when the ball lifting device 110 is installed in the pachinko island platform 100 in the state shown in FIG. 17A (a state where the front-rear direction of the ball lifting device 110 is perpendicular to the longitudinal direction of the pachinko island platform 100) ( In the case of vertical storage), the vertical width dimension of the ball lifting device storage unit 101 is accordingly increased so that the descending surface of the conveyor belt 115 protruding forward of the lifting cylinder main body 111 does not interfere with other components. It was necessary to take it widely.
However, in order to improve various work efficiencies such as the installation work of the ball lifting device 110 in the ball lifting device storage unit 101 and the maintenance work of the ball lifting device 110, the front and rear spaces (lifting) of the ball lifting device storage unit 101 It is necessary to provide an opening / closing door in the space opposite to the side surface of the feeding main body 111, and for this reason, the equipment in the island platform 100 including the plurality of pachinko machines 120 arranged in the pachinko island platform 100 is provided. It could not be installed in the front and rear space of the ball feeding device storage unit 101. Therefore, as described above, if the size of the ball lifting device storage unit 101 is increased, the installation space for the equipment provided in the pachinko island platform 100 must be reduced accordingly.
In addition, the configurations of Patent Documents 2 and 3 are different from the configurations of Patent Document 1 in that the lateral width dimension of the side surface of the feeding cylinder body is set to the diameter dimension of the upper roller so that the descending surface of the conveyor belt is not exposed. However, in this configuration, it is necessary to increase the lateral width of the ball lifting device storage portion as the lateral width of the side surface of the lifting cylinder main body increases. As a result, Patent Document 1 As with the configuration of, the installation space for equipment in the Pachinko Island stand had to be reduced.
The present invention has been made in view of the circumstances described above, and the object of the present invention is a ball lifting device that is installed in a ball lifting device storage portion of a pachinko island stand and lifts pachinko balls with a conveyor belt. An object of the present invention is to provide a ball feeding device capable of widening the installation space of equipment installed in a pachinko island platform.

  In order to achieve the above-described object, in the invention of claim 1, a plurality of gaming machines installed in a ball-lifting device storage portion formed on a pachinko island platform and arranged in a row on the pachinko island platform. The pachinko balls to be supplied are placed between a small-diameter upper roller and a large-diameter lower roller, which are rotatably supported at the upper and lower ends of a vertically-shaped hollow hollow cylinder body standing vertically. By being sandwiched between an endless transport belt that is circulated and a polishing belt provided on a guide rail cover that is disposed on one side of the lifting cylinder body so as to face the rising surface of the transport belt In the ball lifting apparatus for lifting, the upper roller has a side end portion of the upper roller on the rising surface side of the conveyor belt and is substantially on the same vertical plane as one side surface of the lifting cylinder main body. The upper roller on the descending surface side A side end portion is rotatably supported by the lifting cylinder body so as to protrude outward from the other side surface of the lifting cylinder body, and the upper roller An upper pressing roller is provided to press down the lowering surface of the conveyor belt that circulates from the other side of the lifting cylinder main body to a position where the lowering surface of the conveying cylinder main body is accommodated. In order to apply tension to the conveyor belt between the upper roller and the upper roller, which is pushed out from the state of being held inside the other side of the lifting cylinder body to the lower roller. And a tension roller comprising a plurality of rollers.

  Further, in the invention of claim 2, the circulating operation of the conveyor belt is carried out by abutting and following the rising surface of the conveyor belt that circulates toward the upper roller in the inside of the lifting cylinder body. A plurality of internal guide rollers to be guided are rotatably supported, and a descending surface of the conveyor belt is brought into contact with the internal guide roller by the upper pressing roller and a roller positioned at the uppermost position of the tension roller. It is characterized in that it is pressed down to the touching position.

  According to a third aspect of the present invention, the pumping cylinder main body is provided with a main body formed in a substantially U-shaped cross section from the upper end to the lower end, and is detachably attached to the main body and connected to the main body. And a transport belt cover that covers a descending surface of the transport belt housed in the U-shaped internal space in the mounted state.

  According to a fourth aspect of the present invention, the lifting cylinder body includes an upper pressing roller guide that rotatably attaches the upper pressing roller to the lifting cylinder body, and the upper pressing roller guide includes the upper pressing roller guide. An inclination introducing portion for introducing the rotation shaft of the upper pressing roller from an obliquely upper side while pressing the conveying belt with a pressing roller, and a repulsive force of the conveying belt formed in communication with a lower end of the inclined introducing portion. And a shaft support recess that fits with the rotation shaft of the upper pressing roller, and the upper pressing roller resists the repulsive force of the conveyor belt and causes the rotation shaft to move from the fitted state of the shaft support recess. By releasing, it is pressed by the conveyor belt and can be detached from the inclined introduction portion.

  Furthermore, in the invention of claim 5, the upper pressing roller guide is disposed so as to contact the upper pressing roller at a portion other than the contact portion with the conveying belt, and the upper pressing roller rotates. A contact removing means for scraping off and removing dirt adhering to the upper pressing roller during operation is provided.

  In the first aspect of the invention, in the upper part of the ball lifting device, the lowering surface of the conveyor belt is pressed down to the position where it can be accommodated inside the other side of the lifting cylinder body by the upper pressing roller, and in the lower part of the ball lifting device. Then, the lowering surface of the conveyor belt is pressed by the tension roller into a state where it is housed inside the other side surface of the feeding cylinder body. Thereby, since the falling surface of a conveyance belt can be stored in the inside of the other side surface of a pumping cylinder main body so that it may not become an exposed state, it can slim as the whole ball lifting apparatus. Along with this, the size of the ball lifting device storage unit can be reduced, and as a result, the installation space for the equipment provided in the pachinko island platform can be increased.

  Further, in the invention of claim 2, the conveying belt spanned between the upper roller and the lower roller generally has a load situation when it circulates (for example, presence / absence of pachinko balls to be transported, upper roller and lower roller) According to the adjustment of the roller mounting, etc., vibration (vibration) occurs during the rotation operation, and the conveyance belt itself repeatedly moves due to this vibration and gradually shifts laterally. However, according to the invention of claim 2, the repetitive motion due to the vibration (vibration) of the transport belt itself can be suppressed by bringing the ascending surface and the descending surface of the transport belt into contact with the internal guide roller, respectively. The lateral deviation of the conveyor belt can be avoided.

  In the invention of claim 3, the strength of the lifting cylinder body itself can be increased by forming the lifting cylinder body in a substantially U-shaped cross section from the upper end to the lower end. However, the conveyor belt is accommodated in an internal space having a U-shaped cross section of the lifting cylinder body. For this reason, since the feeding cylinder main body can be easily attached and detached from the opening portion having a U-shaped cross section, the efficiency of exchanging the conveyor belt can be increased. Also, since the conveyor belt cover that covers the descending surface of the conveyor belt is detachably attached to the lifting cylinder body, the conveyor belt comes into contact with other components (for example, wiring provided in the pachinko island platform). Can be protected.

  According to a fourth aspect of the present invention, when the upper presser roller is attached to the lifting cylinder body, the rotation shaft of the upper presser roller is inclined with the upper presser roller guide while the upper presser roller presses the conveying belt. The rotation shaft of the upper pressing roller is pivotally supported by the repulsive force of the conveying belt on the shaft supporting recess of the upper pressing roller guide. Then, the upper pressing roller can be removed from the inclined introduction portion by releasing the fitting state of the rotating shaft with the shaft support recess against the repulsive force of the conveyor belt. For this reason, the upper pressing roller can be easily attached to and detached from the lifting cylinder body, and as a result, the exchange work of the conveyor belt can be easily performed.

  Furthermore, in the invention of claim 5, the upper pressing roller not only presses the descending surface of the conveying belt into the inside of the other side surface of the feeding cylinder body, but also adsorbs dirt on the conveying belt by contact with the conveying belt. . Then, the dirt adsorbed by the upper pressing roller, that is, the dirt adhering to the upper pressing roller is scraped off and removed by the contact removing means that contacts the upper pressing roller at a portion other than the contact portion with the conveying belt. The For this reason, it is possible to solve the problem that dirt adhering to the outer peripheral surface of the conveyor belt (for example, dirt of pachinko balls lifted on the rising surface of the conveyor belt) adheres cyclically to the pachinko balls. In addition, the dirt adsorbed by the upper pressing roller is scraped off by the contact removing means, so that the outer peripheral surface of the upper pressing roller can always be kept clean without performing parts replacement or cleaning work. .

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. First, with reference to FIG. 1, the schematic structure of the pachinko island stand 1 provided with the ball lifting apparatus 10 according to the present embodiment will be described. Drawing 1 is a side view seen from one side of the central part of pachinko island stand 1 concerning an embodiment. In the figure, the pachinko island platform 1 is configured in a rectangular parallelepiped shape as is well known, and pachinko machines 2 as gaming machines are arranged in the back direction at the center in the longitudinal direction side surface. In addition, the pachinko island platform 1 is provided with a lifting device storage unit 3 at a substantially central portion thereof, and a ball lifting device 10 constituting a main part of the present embodiment is stored and installed in the lifting device storage unit 3. Has been. The ball lifting device 10 according to the present embodiment lifts pachinko balls by a belt-like transport belt 15 as will be described in detail later. Although not shown in detail, an upper tank that temporarily stores the pachinko balls that have been lifted is provided at the top of the ball lifting device 10, and the replenishing rods 4 are provided on the left and right sides of the upper tank so as to be inclined. The pachinko ball is allowed to flow down from the upper tank. The replenishment basket 4 is provided with a distribution chute corresponding to each pachinko machine 2, and takes in pachinko balls flowing down the replenishment basket 4. The pachinko balls taken in by the distribution chute are counted by a counting device provided at the lower part, then supplied to a prize ball tank provided at the upper back of the pachinko machine 2 and used as a prize ball to be paid out to the player by the game. The

  On the other hand, used balls discharged from each pachinko machine 2 are discharged downward from an out ball collection box having a counting function as is well known. The pachinko balls discharged from the out ball collection box are guided to the introduction rod 16 of the ball lifting device 10 via the collection rod 5 and the storage tank 6.

  Next, the whole structure of the ball lifting apparatus 10 which comprises the principal part of this embodiment is demonstrated with reference to FIG. 2 thru | or FIG. FIG. 2 is a side view showing the ball lifting apparatus 10 with the conveyor belt cover 70 and the tension roller cover 48 removed, and FIG. 3 shows the ball lifting apparatus with the conveyor belt cover 70 and the tension roller cover 48 attached. 4 is a side view showing a lower part of the ball lifting device 10, and FIG. 5 is conveyed by the first and third tension rollers 31 and 33 constituting the tension roller mechanism. FIG. 6 is a perspective view illustrating a state in which the contact with the belt 15 is released, and FIG. 6 is a perspective view illustrating a state in which the first and third tension rollers 31 and 33 constituting the tension roller mechanism are in contact with the transport belt 15. 7 is a perspective view showing the upper pressing roller 60 and the upper pressing roller guide 63, and FIG. 8 is an upper view of the ball lifting device 10 with the upper pressing roller 60 removed. FIG. 9 is a side view showing the upper part of the ball lifting device 10 with the upper pressing roller 60 attached, and FIG. 10 is a cross-sectional view taken along the line CC in FIG. FIG.

  2 and 3, the ball lifting device 10 is a lifting cylinder main body having a substantially U-shaped cross section from the upper end to the lower end of the upper portion of the support base 11, in other words, a rectangular hollow shape (see FIG. 10). 12 is a leather and endless conveyor belt that is erected between a large-diameter lower roller 13 and a small-diameter upper roller 14 that are vertically installed and supported by the lower portion of the periphery of the feed cylinder body 12 15 goes around. In the circumferential drive of the conveyor belt 15, the motor 28 and the lower roller 13 which are mounted and fixed on the motor mounting base 27 fixed to the support base 11 are connected by the V belt 29 (see FIGS. 5 and 6). Is done by. 2 and 3, the conveyor belt 15 rotates in the counterclockwise direction. In the following description, the conveyor belt 15 conveys the portion of the conveyor belt 15 on the right side in FIG. The part of the left conveyor belt 15 in the figure, which is called the ascending surface of the belt 15 and the descending side, is called the descending surface of the conveyor belt 15. Further, a tension roller mechanism for applying tension to the transport belt 15 is attached to the feeding cylinder body 12 above the lower roller 13. The lower part of the lifting cylinder body 12 is connected with an introduction rod 16 into which pachinko balls before the ball polishing flow and are aligned in a plurality of rows, and the upper part of the lifting cylinder body 12 is connected with the pachinko after the ball polishing. An upper bent rod 18 and a discharge rod 19 from which balls are discharged are connected. Further, the upper roller 14 has a side end portion of the upper roller 14 on the ascending surface side of the conveying belt 15 and substantially the same vertical surface as one side surface of the feeding cylinder main body 12, and The side end of the roller 14 is pivotally supported by the feed cylinder body 12 so as to protrude outward from the other side surface of the feed cylinder body 12.

  Accordingly, the pachinko balls that have flowed in from the introduction rod 16 are lifted by the conveyor belt 15 and discharged from the discharge rod 19, and in the process of being lifted, a polishing belt 26 that is provided around a guide rail cover 20 described later is provided. The dirt adhering to the pachinko balls is wiped off by the frictional force, and the pachinko balls that have been cleaned are discharged from the discharge basket 19. In addition, a plurality of internal guide rollers 50 are rotatably supported at substantially equal intervals in the inside of the feed cylinder main body 12. Then, one side end portion (side facing the polishing belt 26) of the internal guide roller 50 faces a rectangular temporary window 51 (see FIG. 10) formed in the lifting cylinder body 12, and the conveying belt 15 is raised. By abutting and following the surface, the rotating operation of the conveyor belt 15 is guided. In addition, the introduction rod 16 is provided with an inclination angle adjusting bolt 17 for adjusting the inclination angle of the introduction rod 16. The inclination angle adjusting bolt 17 is provided with a spring so that the balls are smoothly aligned even when an excessive force is applied to the introduction rod 16 by the balls flowing inside.

  On the other hand, a guide rail cover 20 is detachably attached to the back surface side (one side surface facing the rising surface of the conveyor belt 15) of the above-described lifting cylinder body 12. The guide rail cover 20 is removed when the conveying belt 15 and the polishing belt 26 are mounted on the ball lifting device 10, and is mounted so that the polishing belt 26 itself circulates around the guide rail cover 20. . When the conveyor belt 15 and the polishing belt 26 are attached, the guide rail cover 20 is maintained in a state where the guide rail cover 20 faces the lifting cylinder body 12 by the stopper 25. However, a gap is formed between the lifting cylinder main body 12 and the guide rail cover 20, and the size of this gap can be set by adjusting the fixing position of the fastener 25. It is possible to change the pressure applied to the pachinko balls being pumped according to the set value. Further, the guide rail cover 20 is provided with a pre-use polishing belt mounting portion 21 for mounting a roll-shaped polishing belt 26 before use on the back surface thereof and a used polishing belt for winding the used polishing belt 26 into a roll shape. And a roller 23 for guiding the polishing belt 26 is provided at the rear of the upper end thereof.

  Thus, the polishing belt 26 mounted on the pre-use polishing belt mounting portion 21 is passed from the lower end of the guide rail cover 20 through the front surface to the roller 23 and then wound around the used polishing belt mounting portion 22. Then, by attaching the guide rail cover 20 to the lifting cylinder body 12 with the stopper 25 with the polishing belt 26 mounted, the polishing belt 26 and the rising surface of the conveying belt 15 face each other, and the conveying belt. The pachinko balls are lifted while being wiped off the polishing belt 26 while being fitted in a plurality of ball passages formed on the front surface of the guide rail cover 20 by rotating the pin 15 (see FIG. 10). At the end of business, with the chucking device provided in the pre-use polishing belt mounting portion 21 loosened so that the polishing belt 26 can move, the polishing belt 26 on the upper back surface is pulled to guide the unused surface. The used polishing belt 26 is wound around the used polishing belt mounting portion 22 so as to be positioned on the front side of the rail cover 20, and the chucking device is tightened. This completes the preparation for the next day of polishing. Moreover, the winding operation of the polishing belt 26 can be performed with the guide rail cover 20 removed from the lifting cylinder body 12 or with the guide rail cover 20 attached. When exchanging, it is necessary to remove the guide rail cover 20 from the lifting cylinder body 12.

  Further, the lifting cylinder body 12 and the guide rail cover 20 of the ball lifting device 10 described above are attached by fasteners 25 fixed to a plurality of locations on both side surfaces of the lifting cylinder body 12. The metal fitting 25 supports and engages the engagement protrusion 24 protruding from the side surface of the guide rail cover 20, and releases the engagement state between the stopper metal fitting 25 and the engagement protrusion 24 to guide the guide rail cover 20. The guide rail cover 20 can be attached to the lifting cylinder body 12 with the stopper 25 and the engaging projection 24 engaged.

  Next, a tension roller mechanism that is provided in the lower portion of the ball lifting device 10 and applies tension to the conveyor belt 15 will be described with reference to FIGS. The tension roller mechanism rotatably supports the first, second, and third tension rollers 31 to 33 and is fixed to the lifting cylinder main body 12 so that the tension rollers 31 to 33 are ball-lifting devices. 10 is provided with a mounting base 30 to be attached to the lower part.

  The mounting base 30 is constituted by a U-shaped plate material whose front and upper and lower surfaces are open, and a second tension roller 32 is rotatably supported in the middle thereof. That is, the rotary shaft of the second tension roller 32 is connected and supported by the adjustment support rods 34 supported on both sides of the middle of the mounting base 30. The adjustment support rod 34 is provided so as to be able to pass through the mounting base 30 and a spring 35 is provided around the adjustment support rod 34. The rear end of the adjustment support rod 32 protrudes from the back surface of the attachment base 30, and a nut 36 (FIG. 2)). Accordingly, the length of the second tension roller 32 can be adjusted in the front-rear direction by loosening the nut 36 and rotating the adjustment support rod 34. The adjustment support rod 34, the spring 35, and the nut 36 are This constitutes the adjusting mechanism. Specifically, the length of the adjustment support rod 34 is adjusted at the screwing position of the nut 36 by screwing the nut 36 to the rear end of the adjustment support rod 34 that protrudes outward from the mounting base 30. The second tension roller 32 is always urged forward by the spring 35. As a result, even when the conveyor belt 15 is turning, an optimum tension can be applied to the conveyor belt 15 by the spring 35 that is always provided around the adjustment support rod 34.

  A support piece 37 that supports one end of the rotation shaft of the first tension roller 31 (tension roller) is fixed to the portion of the mounting base 30 located above the second tension roller 32, and the first tension roller Since one end of the rotation shaft 31 is rotatably supported by the support piece 37 via a fulcrum bolt 38, the first tension roller 31 is in contact with the conveyance belt 15 and the conveyance belt 15. It is provided so as to be able to shift between the states to be released. On the other hand, in the portion of the mounting base 30 corresponding to the other end of the rotation shaft of the first tension roller 31, a swinging fixing member 40 having a fixing hole 39 having an elongated hole shape in the vertical direction is vertically moved by a fulcrum bolt 41. It is attached so as to be swingable in the direction. A fixing hole 39 formed in the swing fixing member 40 is for fixing the other end of the rotating shaft of the first tension roller 31 in contact with the conveyor belt 15 with a fixing bolt 42, and is a fulcrum. By adjusting the fastening degree of the bolt 41, the first tension roller 31 comes into contact with the transport belt 15 at an appropriate position (a position where the axial direction of the first tension roller 31 is parallel to the lateral width direction of the transport belt 15). In this way, the vertical position of the swinging fixing member 40 (fixing hole 39) is finely adjusted.

  A support piece 43 that supports one end of the rotation shaft of the third tension roller 33 is fixed to the portion of the mounting base 30 located below the second tension roller 32, and the rotation shaft of the third tension roller 33 is fixed. One end of the third tension roller 33 is rotatably supported by the support piece 43 via the fulcrum bolt 44, so that the third tension roller 33 is in contact with the transport belt 15 and the transport belt 15 similarly to the first tension roller 31. It is provided so as to be able to shift between the state in which the contact with is released. On the other hand, a support piece 46 having a fixing hole 45 is fixed to a portion of the mounting base 30 corresponding to the other end of the rotation shaft of the third tension roller 33. The fixing hole 45 is for fixing the other end of the rotation shaft of the third tension roller 33 in contact with the transport belt 15 with a fixing bolt 47.

  Accordingly, as shown in FIG. 5, with the first and third tension rollers 31 and 33 released from contact with the conveyor belt 15, the conveyor belt 15 is positioned in front of the second tension roller 32. In this state, as shown in FIG. 6, the other end of the rotating shaft of the first tension roller 31 is fixed to the fixing hole 39 with a fixing bolt 42, and the other end of the rotating shaft of the third tension roller 33 is fixed. The first and third tension rollers 31 and 33 are in contact with the conveyor belt 15 by being fixed to the fixing hole 45 with the bolts 47, in other words, the first and third tension rollers 31 and 33 are in contact with the conveyor belt. It will be in the state which pushed down the 15 descending surface. Accordingly, the first to third tension rollers 31 to 33 are arranged on the same vertical line, and the conveyance belt 15 is alternately wound around the first to third tension rollers 31 to 33, so that the conveyance belt 15 is appropriately Tension is applied. Further, at this time, the first tension roller 31 applies an appropriate tension to the transport belt 15 and is positioned at the lower portion of the ball lifting device 10 (specifically, on the opposite side of the polishing belt 26). The lowering surface of the conveying belt 15 to be pressed is pressed down to a position that is housed inside the other side surface of the feeding cylinder body 12. A tension roller cover 48 for protecting the first to third tension rollers 31 to 33 is attached to the outer periphery of the first to third tension rollers 31 to 33 (FIG. 2 to FIG. 2). (See FIG. 4).

  A pachinko ball fed from an introduction rod 16 is placed under the lower roller 13 disposed below the tension roller mechanism (first, second, and third tension rollers 31 to 33). A lower bending rod 52 is provided that is sandwiched between the conveyor belt 15 wound around the belt 13 and lifted by the rotation of the lower roller 13. A pressing force adjusting bolt 53 that adjusts the pressing force of the pachinko balls by the lower bending rod 52 (the force for pinching the pachinko balls with the conveyor belt 15) is provided at the rear end portion of the lower bending rod 52. The pressing force adjusting bolt 53 is provided with a spring so that the ball can be smoothly lifted even when an excessive force is applied to the lower bending rod 52 by the ball sandwiched between the conveying belt 15 and the spring. It has a simple structure.

  In addition, a motor mount 27 is disposed in front of the tension roller mechanism, and a motor 28 serving as a rotation driving source for the conveyor belt 15 is placed and fixed on the motor mount 27. A small-diameter pulley 54 (see FIGS. 2 and 3) is fixed to the output shaft of the motor 28, and the V-belt 29 is interposed between the small-diameter pulley 54 and the large-diameter pulley 55 fixed to the rotating shaft of the lower roller 13. As a result, the rotational driving force of the motor 28 is transmitted to the lower roller 13 so that the conveyor belt 15 circulates around the feeding cylinder body 12. A V belt cover 56 for protecting the V belt 29 is attached to the outer periphery of the V belt 29. The motor 28 is bolted onto the motor mounting base 27 via the mounting plate 57, and the mounting position of the mounting plate 57 (motor 28) with respect to the motor mounting base 27 is attached to one end portion of the mounting plate 57. An adjustment bolt 58 is provided for fine adjustment. The mounting position of the mounting plate 57 (motor 28) is adjusted so that the axial direction of the output shaft of the motor 28 coincides with the axial direction of the rotating shaft of the lower roller 13 by adjusting the degree of fastening of the adjusting bolt 58. Has been fine-tuned.

  Further, the above-described tension roller mechanism (first, second, and third tension rollers 31 to 33), the lower roller 13, and the motor 28 are each installed on the support base 11 (installation structure). The lifting cylinder body 12 standing on the support base 11 is attached by such a joint structure with the installation structure. For this reason, when the height of the ball lifting device 10 is changed, tension roller mechanisms (first, second, and third tension rollers 31 to 33) provided in a lower portion of the ball lifting device 10 are used. The lower roller 13 and the motor 28 may be left as they are, and replaced with the feeding cylinder body 12 having a different height.

  By the way, an upper pressing roller 60 as shown in FIG. 7 is attached to an upper portion of the ball lifting device 10 according to the present embodiment via a pair of left and right upper pressing roller guides 63 having a long plate shape. ing. The upper pressing roller 60 is for pressing the conveying belt 15 at an upper portion of the ball lifting device 10. A pair of left and right rotating shafts 61 are integrally provided in the axial direction of the upper pressing roller 60, and a fitting recess having substantially the same width as the plate thickness of the upper pressing roller guide 63 is provided at the distal end side of the rotating shaft 61. 62 is formed. The upper pressing roller guide 63 is formed of a substantially rectangular flat plate, and the upper pressing roller guide 63 is fixed to one side of the upper pressing roller guide 63 on the side surface of the feeding cylinder body 12 with bolts 68 (see FIGS. 8 and 9). Mounting holes 64 are formed in two places. On the other hand, on the other end side of the upper pressing roller guide 63, a roller shaft supporting portion 65 for rotatably supporting the upper pressing roller 60 is formed. The roller shaft support portion 65 is formed to communicate with an inclination introduction portion 66 for introducing the rotation shaft 61 from obliquely above while pressing the conveying belt 15 with the upper pressing roller 60, and a lower end of the inclination introduction portion 66, and The shaft support recess 67 is engaged with the fitting recess 62 of the rotating shaft 61 by the repulsive force of the conveyor belt 15. The shaft support concave portion 67 is a semicircular concave shape that protrudes in the other end direction of the upper pressing roller guide 63 (the direction opposite to the direction in which the mounting hole 64 is formed) at the lower end portion of the inclined introduction portion 66. The upper pressing roller 60 is pressed by the conveyor belt 15 to be inclined by releasing the rotating shaft 61 from the fitted state with the shaft support recess 67 against the repulsive force of the conveyor belt 15. It can be removed from the portion 66.

  Next, the mounting structure of the upper pressing roller 60 via the upper pressing roller guide 63 and the pressing structure of the conveying belt 15 by the upper pressing roller 60 will be described with reference to FIGS.

  As shown in FIG. 8, the pair of left and right upper pressing roller guides 63 are provided on an upper portion of the ball lifting device 10 (specifically, an upper tank provided on the upper portion of the ball lifting device 10 as shown in FIG. 1). Etc., which are fixed to both side surfaces of the feeding cylinder main body 12 which are portions located in the casing-shaped cover body 7 covering the portion protruding upward from the island main body of the pachinko island base 1 with bolts 68, respectively. (In FIG. 8, only the upper pressing roller guide 63 fixed to one side surface of the feeding cylinder main body 12 is shown). At this time, the roller shaft support portion 65 of the upper pressing roller guide 63 is disposed at a position protruding from the front surface side (the side opposite to the polishing belt 26 side) of the feed cylinder main body 12. Then, as shown in FIG. 9, the rotation shaft 61 of the upper pressing roller 60 is introduced into the inclined introducing portion 66 of the roller shaft supporting portion 65 while pressing the conveying belt 15 in the A direction on the outer peripheral surface of the upper pressing roller 60. Finally, the upper pressing roller 60 is pushed back in the B direction opposite to the A direction by the tension of the conveying belt 15, so that the fitting concave portion 62 of the rotating shaft 61 is fitted into the shaft supporting concave portion 67 of the roller shaft supporting portion 65. Thus, the upper pressing roller 60 is pivotally supported by the upper pressing roller guide 63. As a result, the lowering surface of the conveyor belt 15 located on the opposite side of the polishing belt 26 is indicated by a two-dot chain line in FIG. 9 by the upper pressing roller 60 in the upper part of the ball feeding device 10 as shown in FIG. The state shown by the solid line from the state shown, in other words, the state where it protrudes in front of the lifting cylinder main body 12 is pressed into the state of being housed inside the other side of the lifting cylinder main body 12.

Therefore, the descending surface of the conveying belt 15 located on the opposite side of the polishing belt 26 is located at a position that is accommodated inside the other side surface of the feeding cylinder main body 12 by the upper pressing roller 60 provided in the upper portion of the ball lifting device 10. The first tension roller 31 provided in the lower part of the ball lifting device 10 is also pressed into a position stored in the other side of the lifting cylinder body 12 in the same manner. For this reason, the descending surface of the conveyor belt 15 positioned between the upper pressing roller 60 and the first tension roller 31 is in a state of being accommodated inside the other side surface of the lifting cylinder body 12 without protruding from the lifting cylinder body 12. Therefore, the ball lifting device 10 can be slimmed down as a whole. In addition, along with the slimming of the ball lifting device 10, in the pachinko island stand 1 where the ball lifting device 10 is installed, the lateral width of the ball lifting device storage unit 3 can be reduced (this embodiment). FIG. 1 showing the ball hoisting device storage unit 3 of FIG. 1 and FIG. 16 showing the conventional ball hoisting device storage unit 101 are compared).
Thereby, the conventional installation space for the pachinko machine 2 indicated by a two-dot chain line in FIG. 1 is expanded to the installation space for the pachinko machine 2 in the present embodiment indicated by a solid line in FIG. The installation space for the equipment provided inside can be increased.

  In the present embodiment, the ball lifting device 10 has been described as being stored horizontally in the ball lifting device storage unit 3, but the island stand in which the ball lifting device 10 is stored vertically in the ball lifting device storage unit 3. Also, the ball lifting device 10 of the present invention can be employed. In this case, the size in the island width direction of the ball lifting device storage unit 3 can be reduced (FIG. 17B showing the ball lifting device storage unit 3 of the present embodiment and the conventional ball lifting method). Compare with FIG. 17A showing the device storage portion 101). Thereby, since the installation space of the conventional ball lifting device storage part shown by the chain line in FIG. 17 (B) can be slimmed down, the installation space for the equipment provided in the pachinko island platform 1 can be widened. Moreover, in this case, the island width direction is not narrowed as shown by the solid line in FIG. 17C, but the size of the ball lifting device accommodating portion 3 in the island width direction is not narrowed as indicated by the chain line in FIG. It is also possible to narrow itself.

  The upper pressing roller 60 and the first tension roller 31 described above are configured to press the descending surface of the conveyor belt 15 to a position where it comes into contact with the internal guide roller 50 (see FIG. 9). That is, the ascending surface and the descending surface of the conveyor belt 15 are in contact with the internal guide roller 50, respectively. In general, the conveyor belt that runs between the upper roller and the lower roller circulates according to the load conditions when it circulates (for example, presence or absence of pachinko balls to be transported, adjustment adjustment of the upper roller and lower roller, etc.) Shake (vibration) occurs during operation, and the carry belt itself repetitively moves due to this shake and gradually shifts laterally. However, in the present embodiment, the rising surface and the falling surface of the conveyance belt 15 are in contact with the internal guide roller 50, respectively, so that it is possible to suppress repetitive movement due to vibration (vibration) of the conveyance belt 15 itself. The lateral deviation of the conveyor belt 15 is avoided.

  Further, a transport belt cover 70 is attached to the front of the transport belt 15 housed in the other side surface of the lifting cylinder body 12. The conveyor belt cover 70 has a vertically long plate shape, and is detachably attached to the front opening portion of the feeding cylinder main body 12 formed in a U-shaped cross section with a bolt 69 (see FIGS. 9 and 10). And the conveyance belt cover 70 is a state in which the conveyance belt 15 is attached to the lifting cylinder main body 12, and the lower surface of the conveyance belt 15 accommodated in the U-shaped internal space inside the other side surface of the conveyance cylinder main body 12. By covering, the conveyor belt 15 is protected from contact with other components (for example, wiring provided in the pachinko island platform 1).

  Further, a moving roller 71 that facilitates the movement of the ball lifting device 10 is attached to the support base 11 that forms the bottom wall substrate of the lowermost end of the ball lifting device 10 that has been slimmed as described above. A handle portion 72 is integrally attached to the side surface of the lifting cylinder main body 12 at a substantially middle height position. Thereby, also in the configuration of the present embodiment in which the width of the ball hoisting device storage unit 3 is narrowed as the ball hoisting device 10 is slimmed, the ball hoisting device 10 can be easily placed in the ball hoisting device housing 3. In addition, it is possible to easily take out the ball lifting device 10 for maintenance or the like.

  By the way, the conveyance belt 15 that is circulated between the upper roller 14 and the lower roller 13 based on the driving of the motor 28 adheres to the outer peripheral surface not a little when the pachinko ball is lifted. . Therefore, the outer peripheral surface of the conveyor belt is cleaned by providing the upper pressing roller and the upper pressing roller guide of the present invention, which presses the conveying belt at the upper part of the ball feeding device, with the function of removing the dirt on the conveying belt. You may make it do. Hereinafter, the configurations of the upper pressing roller and the upper pressing roller guide that clean the outer peripheral surface of the conveyance belt in this way will be described as modified examples 1 and 2. In the following description, components having the same functions as those of the above-described embodiments are given the same reference numerals for the sake of convenience, and detailed descriptions thereof are omitted.

  First, the upper pressing roller 130 and the upper pressing roller guide 131 according to Modification 1 will be described with reference to FIGS. 11 to 13. FIG. 11 is a perspective view showing the upper pressing roller guide 130 and the upper pressing roller guide 131 in the first modification, and FIG. 12 is a perspective view showing the upper pressing roller guide 131 in the first modification. (C) to (C) are explanatory views showing the operation of removing dirt on the conveyor belt 15 by the upper pressing roller 130 and the upper pressing roller guide 131 in Modification 1.

  As shown in FIGS. 11 and 12, the upper pressing roller guide 131 of the first modification includes a case-shaped guide main body 132. The guide main body 132 is formed in a horizontal rectangular housing shape having an upper surface opening 133, and a rotation shaft 141 (to be described later) of the upper pressing roller 130 is fixed to both side end surfaces in the longitudinal direction of the horizontal rectangular shape. A shaft stop hole 134 is formed. Further, at both side ends in the longitudinal direction of the guide main body 132, there are mounting piece portions 135 each provided with two mounting holes 136 for fixing the upper pressing roller guide 131 to the both side surfaces of the lifting cylinder main body 12 with bolts. It is extended. Then, the inner wall surface on the front end side of the guide main body 132 (the side opposite to the side on which the attachment piece portion 136 is extended) abuts against the outer peripheral surface of the upper pressing roller 130 in a state where the conveying belt 15 is pressed. A contact protrusion 137 as a means is provided over the entire length of the upper pressing roller 130. The shaft stop hole 134 of the guide main body 132 finely adjusts the mounting position of the upper pressing roller 130 (rotating shaft 141) with respect to the upper pressing roller guide 131 (adjusted to a position where the upper pressing roller 130 contacts the contact protrusion 137). ) In the shape of a horizontally long slot.

  On the other hand, the upper pressing roller 130 of Modification 1 is configured such that a pair of left and right rotating shafts 141 are detachably attached to the roller body 140. The rotating shaft 141 is composed of a hexagonal bolt having a male screw portion (not shown) formed on one end side and a hexagon head 142 formed on the other end side. The roller body 140 includes a shaft center member 143 in which female screw holes 144 for attaching the left and right rotating shafts 141 (male thread portions) to the both end portions are provided, and a bearing mechanism (illustrated) on the outer peripheral portion of the shaft center member 143. The outer peripheral surface portion 145 of the roller is rotatably provided via In addition, the roller outer peripheral surface portion 145 is formed of a material excellent in dirt adsorption.

  Thus, the upper pressing roller guide 131 has mounting pieces 135 (mounting holes 136) attached to both sides of the feeding cylinder body 12 by bolts, and the upper pressing roller guide 131 is mounted on the upper pressing roller guide 131. It is done. As an attaching method of the upper pressing roller 130, the roller main body 140 is inserted into the guide main body 132 of the upper pressing roller guide 131 while pressing the conveying belt 15, and from this state, the left and right rotating shafts 141 are respectively connected to the shafts of the guide main body 132. It is fixed by screwing into the female screw hole 144 of the shaft center member 143 through the stop hole 134. Thus, the upper pressing roller 130 has the shaft center member 143 fixed to the upper pressing roller guide 131 integrally with the rotating shaft 141. In addition, as shown in FIG. 13A, the roller outer peripheral surface portion 145 that is rotatably provided with respect to the shaft center member 143 presses the conveyance belt 15 and is opposite to the portion that presses the conveyance belt 15. The guide protrusion 137 is attached to the guide main body 132 in a state in which the contact protrusion 137 is in contact with the outer peripheral portion on the side. The upper pressing roller 130 and the upper pressing roller guide 131 can be attached by first attaching the upper pressing roller 130 to the upper pressing roller guide 131 and then moving the upper pressing roller guide 131 to the feeding cylinder main body 12 in this state. You may make it attach.

  Then, as shown in FIG. 13B, the roller outer peripheral surface portion 145 of the upper pressing roller guide 130 moves in the D direction (in FIG. 13) with the rotation shaft 141 (axial center member 143) as the center as the conveyor belt 15 rotates. In this rotating operation, the dirt Y of the pachinko balls adhering to the outer peripheral surface of the conveyor belt 15 is adsorbed by the excellent adsorption performance, and the dirt Y of the conveyor belt 15 is removed. Thereafter, as shown in FIG. 13C, the dirt Y adsorbed on the roller outer peripheral surface portion 145 is contained in the guide main body 132 that contacts the roller outer peripheral surface portion 145 as the roller outer peripheral surface portion 145 rotates in the D direction. It is scraped off by the contact protrusion 137 and is finally collected on the bottom wall portion in the guide body 132 having a housing shape. Also, the dirt Y collected in the guide main body 132 can be removed from the upper pressing roller guide 131 or the upper pressing roller guide 131 can be removed from the upper cylinder body during maintenance of the ball lifting device 10 or the like. 12 is removed from the guide main body 132.

  In Modification 1 described above, the upper pressing roller 130 includes the shaft center member 143 and a roller outer peripheral surface portion 145 that is rotatably provided on the outer peripheral portion of the shaft center member 143 via a bearing mechanism. Although the rotation shaft 141 of the upper pressing roller 130 is fixed to the upper pressing roller guide 131, the structure is not limited to such a rotation shaft fixing structure. For example, the upper pressing roller 150 and the upper pressing roller guide 151 of Modification 2 shown in FIGS. 14 and 15 may be configured. FIG. 14 is a perspective view showing the upper pressing roller 150 and the upper pressing roller guide 151 in the second modification, and FIG. 15 is a perspective view showing the upper pressing roller guide 151 in the second modification.

  As shown in FIGS. 14 and 15, the upper pressing roller 150 according to the second modification is integrally provided with a pair of left and right rotating shafts 152 in the axial direction, and a shaft head is disposed at the tip of the rotating shaft 152. 153 is formed. Further, the roller outer peripheral surface of the upper pressing roller 150 is formed of a material excellent in dirt adsorbing property, like the upper pressing roller 130 of the first modification. On the other hand, similarly to the upper pressing roller guide 151 of the first modification, the upper pressing roller guide 151 of the second modification includes a guide main body 154 formed of a horizontal rectangular housing having an upper surface opening 155. Roller shaft support portions 156 for rotatably supporting the rotation shaft 152 of the upper pressing roller 150 are formed in both end faces in the longitudinal direction of the guide body 154. The roller shaft support portion 156 is formed in communication with an inclination introduction portion 157 for introducing the rotation shaft 152 from an obliquely upward state with the upper pressing roller 150 pressing the conveyance belt 15 and a lower end of the inclination introduction portion 157. At the same time, it is constituted by a shaft support recess 158 that rotatably supports the upper pressing roller 150 by fitting with the rotation shaft 152. The upper pressing roller 150 can be removed from the inclined introduction portion 157 by being pressed by the conveyor belt 15 by releasing the fitting state of the rotating shaft 152 with the shaft supporting recess 158.

  Further, on both side ends of the guide body 154 in the longitudinal direction, there are mounting piece portions 159 each having mounting holes 160 for bolting the upper pressing roller guides 151 to both side surfaces of the feeding cylinder body 12 at two locations. It is extended. Then, in the same manner as the upper pressing roller guide 151 of the first modification, the conveyance belt 15 is pressed on the inner wall surface on the front end side (the side opposite to the side where the mounting piece 159 is extended) of the guide body 154. A contact protrusion 161 serving as contact removal means that contacts the outer circumferential surface of the upper pressing roller 150 is provided over the entire length of the upper pressing roller 150.

  Thus, the upper pressing roller guide 151 has mounting pieces 159 (mounting holes 160) attached to both sides of the feed cylinder body 12 by bolts, and the upper pressing roller guide 151 is mounted on the upper pressing roller guide 151. It is done. As a method for attaching the upper pressing roller 150, the rotary shaft 152 of the upper pressing roller 150 is introduced into the inclined introducing portion 157 of the roller shaft supporting portion 156 while pushing the conveying belt 15 on the outer peripheral surface of the upper pressing roller 150. In addition, the upper pressing roller 150 is pushed back by the tension of the conveying belt 15, so that the rotation shaft 152 is fitted into the shaft supporting recess 158 of the roller shaft supporting portion 156, and the upper pressing roller 150 is supported by the upper pressing roller guide 151. The

  The roller outer peripheral surface of the upper pressing roller guide 150 rotates around the rotation shaft 152 as the conveyor belt 15 rotates, and adheres to the outer peripheral surface of the conveyor belt 15 due to its excellent adsorption performance during this rotating operation. The dirt on the pachinko ball is adsorbed to remove the dirt on the conveyor belt 15. Thereafter, the dirt adsorbed on the outer peripheral surface of the upper pressing roller guide 150 is scraped off by the contact protrusion 161 in the guide main body 154 as the upper pressing roller guide 150 rotates, and finally the case shape Is collected in the bottom wall portion in the guide body 154. Further, the dirt collected in the guide main body 154 is taken out from the guide main body 154 by removing the upper pressing roller 150 from the upper pressing roller guide 151 at the time of maintenance of the ball lifting device 10 or the like.

  As described above, according to the configuration of the present embodiment (including the first and second modifications), in the upper part of the ball lifting device, the lower surface of the conveying belt is moved by the upper pressing roller on the lower surface of the conveying belt. In the lower part of the ball lifting device, the lowering surface of the conveyor belt is pressed into a state of being accommodated in the other side of the feeding cylinder body by the tension roller. Thereby, since the falling surface of a conveyance belt can be stored in the inside of the other side surface of a pumping cylinder main body so that it may not become an exposed state, it can slim as the whole ball lifting apparatus. Along with this, it is possible to reduce the lateral width of the ball feeding device storage unit, and as a result, it is possible to widen the installation space of the equipment provided in the pachinko island platform.

  In the present embodiment, the ball lifting device 10 has been described as being stored horizontally in the ball lifting device storage unit 3, but the island stand in which the ball lifting device 10 is stored vertically in the ball lifting device storage unit 3. Also, the ball lifting device 10 of the present invention can be employed. In this case, the size in the island width direction of the ball lifting device storage unit 3 can be reduced (FIG. 17B showing the ball lifting device storage unit 3 of the present embodiment and the conventional ball lifting method). Compare with FIG. 17A showing the device storage portion 101). Thereby, since the installation space of the conventional ball lifting device storage part shown by the chain line in FIG. 17 (B) can be slimmed down, the installation space for the equipment provided in the pachinko island platform 1 can be widened. Moreover, in this case, the island width direction is not narrowed as shown by the solid line in FIG. 17C, but the size of the ball lifting device accommodating portion 3 in the island width direction is not narrowed as indicated by the chain line in FIG. It is also possible to narrow itself.

  Also, the conveyor belt that runs between the upper roller and the lower roller generally depends on the load situation when it circulates (for example, presence or absence of pachinko balls to be transported, mounting adjustment of the upper roller and lower roller, etc.) Thus, vibration (vibration) occurs during the revolving operation, and the conveyance belt itself repeatedly moves due to this vibration and gradually shifts laterally. However, according to the configuration of this embodiment, the ascending surface and the descending surface of the conveyor belt come into contact with the internal guide rollers, respectively, so that it is possible to suppress repetitive movement due to vibration (vibration) of the conveyor belt itself. The lateral deviation of the conveyor belt can be avoided.

  Moreover, the strength of the lifting cylinder body itself can be increased by forming the lifting cylinder body in a substantially U-shape from the upper end to the lower end. However, the conveyor belt is accommodated in an internal space having a U-shaped cross section of the lifting cylinder body. For this reason, since the feeding cylinder main body can be easily attached and detached from the opening portion having a U-shaped cross section, the efficiency of exchanging the conveyor belt can be increased. Also, since the conveyor belt cover that covers the descending surface of the conveyor belt is detachably attached to the lifting cylinder body, the conveyor belt comes into contact with other components (for example, wiring provided in the pachinko island platform). Can be protected.

  Further, when the upper pressing roller is attached to the feed cylinder body, the upper pressing roller is introduced from the inclined introduction portion of the upper pressing roller guide while the upper pressing roller presses the conveying belt, and the upper pressing roller guide is introduced. The rotating shaft is rotatably supported by the repulsive force of the conveying belt on the shaft supporting recess of the upper pressing roller guide. Then, the upper pressing roller can be removed from the inclined introduction portion by releasing the fitting state of the rotating shaft with the shaft support recess against the repulsive force of the conveyor belt. For this reason, the upper pressing roller can be easily attached to and detached from the lifting cylinder body, and as a result, the exchange work of the conveyor belt can be easily performed.

  Further, the upper pressing roller not only presses the lowering surface of the conveying belt into the inside of the other side surface of the lifting cylinder body, but also adsorbs the dirt on the conveying belt by contact with the conveying belt. Then, the dirt adsorbed by the upper pressing roller, that is, the dirt adhering to the upper pressing roller is scraped off and removed by the contact removing means that contacts the upper pressing roller at a portion other than the contact portion with the conveying belt. The For this reason, it is possible to solve the problem that dirt adhering to the outer peripheral surface of the conveyor belt (for example, dirt of pachinko balls lifted on the rising surface of the conveyor belt) adheres cyclically to the pachinko balls. In addition, the dirt adsorbed by the upper pressing roller is scraped off by the contact removing means, so that the outer peripheral surface of the upper pressing roller can always be kept clean without performing parts replacement or cleaning work. .

  In the present embodiment, an example in which the upper pressing roller that presses the lowering surface of the conveyor belt that circulates from the upper roller to a position that fits inside the other side surface of the lifting cylinder body is attached to the lifting cylinder body is illustrated. However, it is not limited to this configuration. For example, the upper pressing roller may be attached to the conveyor belt cover, and the conveyor belt cover may be attached to the lifting cylinder body so that the upper pressing roller is provided in the portion of the lifting cylinder body located above the gaming machine. .

It is the side view seen from one side of the center part of the pachinko island stand to which the ball lifting device concerning an embodiment is applied. It is a side view which shows the ball lifting apparatus which removed the conveyance belt cover and the tension roller cover. It is a side view which shows the ball lifting apparatus which attached the conveyance belt cover and the tension roller cover. It is a side view which shows the lower part of the ball lifting apparatus. It is a perspective view which shows the state which the 1st and 3rd tension roller which comprises a tension roller mechanism cancelled | released contact | abutt with a conveyance belt. It is a perspective view which shows the state which the 1st and 3rd tension roller which comprises a tension roller mechanism contact | abutted with the conveyance belt. It is a perspective view which shows an upper pressing roller and an upper pressing roller guide. It is a side view which shows the upper part of the ball feeding apparatus of the state which removed the upper pressing roller. It is a side view which shows the upper part of the ball feeding apparatus of the state which attached the upper pressing roller. It is CC sectional view taken on the line of FIG. It is a perspective view which shows the upper pressing roller guide and upper pressing roller in the modification 1. FIG. 11 is a perspective view showing an upper pressing roller guide in Modification 1. FIGS. 9A to 9C are explanatory views showing an operation of removing dirt on the conveying belt by the upper pressing roller and the upper pressing roller guide in the first modification. It is a perspective view which shows the upper pressing roller guide and upper pressing roller in the modification 2. It is a perspective view which shows the upper pressing roller guide in the modification 2. It is the side view seen from one side of the center part of the pachinko island stand to which the conventional ball feeding device is applied. The figure (A) is a top view showing a pachinko island stand in which a conventional ball lifting device is stored vertically, and the figure (B) shows a pachinko island stand in which the ball lifting device of this embodiment is stored vertically. FIG. 4C is a top view showing a pachinko island base in which the ball lifting device of the present embodiment is vertically stored and the island width itself is narrowed.

Explanation of symbols

1 Pachinko island stand 2 Pachinko machine (game machine)
DESCRIPTION OF SYMBOLS 3 Ball feeding apparatus accommodating part 4 Replenishing rod 7 Cover body 10 Ball lifting apparatus 11 Support stand 12 Lifting cylinder main body 13 Lower roller 14 Upper roller 15 Conveying belt 26 Polishing belt 20 Guide rail cover 28 Motor 30 Mounting base 31 1st Tension roller (tension roller)
32 Second tension roller 33 Third tension roller 50 Internal guide roller 60 Upper pressing roller 61 Rotating shaft 62 Fitting recess 63 Upper pressing roller guide 65 Roller shaft support 66 Inclined insertion portion 67 Fitting hole 70 Conveying belt cover 130 Upper pressing roller 131 Upper pressing roller guide 132 Guide body 137 Contact protrusion (contact removal means)
150 Upper pressing roller 151 Upper pressing roller guide 154 Guide body 161 Contact protrusion (contact removal means)

Claims (5)

A square hollow cross-section in which the pachinko balls installed in the ball-lifting device storage portion formed on the pachinko island platform and supplied to a plurality of gaming machines arranged on the pachinko island platform are vertically erected An endless conveyor belt that is circulated between a small-diameter upper roller and a large-diameter lower roller that are rotatably supported at upper and lower ends of the lifting cylinder body, and one of the lifting cylinder bodies. In the ball lifting device that is lifted by sandwiching between the side surface and the polishing belt provided on the guide rail cover that is disposed so as to face the rising surface of the conveyor belt,
The upper roller has a side end portion of the upper roller on the rising surface side of the conveying belt, which is substantially on the same vertical plane as one side surface of the feeding cylinder body, and a lower surface side of the upper belt on the lower surface side of the conveying belt. The end is pivotally supported by the lifting cylinder main body so as to protrude outward from the other side of the lifting cylinder main body,
In the upper part of the lifting cylinder main body, an upper pressing roller that presses down the lowering surface of the conveyor belt that circulates from the upper roller to a position that fits inside the other side surface of the lifting cylinder main body is provided,
In the lower part of the lifting cylinder main body, the lowering surface of the conveyor belt is led out to the outside from the state where it is pressed into the other side of the lifting cylinder main body with the upper pressing roller. In order to apply tension to the conveyor belt between the lower roller and the lower roller, a tension roller composed of a plurality of rollers is provided. A plurality of internal guide rollers for guiding the rotation operation of the conveyor belt by rotating in contact with the rising surface of the conveyor belt that circulates toward the upper roller is freely rotatable inside the lifting cylinder main body. Provided to be pivotally supported,
The descent surface of the said conveyance belt is pressed down to the position which contact | abuts with the said internal guide roller by the roller located in the uppermost part among the said upper pressing roller and the said tension roller, The ball lifting and feeding of Claim 1 characterized by the above-mentioned. apparatus.   The lifting cylinder main body is formed in a substantially U-shaped cross section from the upper end to the lower end, and is detachably provided to the main body and is attached to the main body in the U-shaped cross section. The ball lifting device according to claim 1, further comprising: a conveyor belt cover that covers a descending surface of the conveyor belt housed in the interior space. The lifting cylinder body includes an upper pressing roller guide that rotatably attaches the upper pressing roller to the lifting cylinder body,
The upper pressing roller guide communicates with an inclined introduction portion for introducing the rotation shaft of the upper pressing roller from an obliquely upper side while pressing the conveying belt with the upper pressing roller, and a lower end of the inclined introducing portion. A shaft support recess that is formed and is fitted with the rotating shaft of the upper pressing roller by the repulsive force of the conveyor belt,
The upper pressing roller can be removed from the inclined introduction portion by being pressed by the conveyor belt by releasing the rotating shaft from the fitted state of the shaft support recess against the repulsive force of the conveyor belt. The ball lifting apparatus according to any one of claims 1 to 3, wherein the ball lifting apparatus is provided.   The upper pressing roller guide is disposed so as to come into contact with the upper pressing roller at a portion other than the contact portion with the conveyor belt, and adheres to the upper pressing roller as the upper pressing roller rotates. The ball lifting device according to any one of claims 1 to 4, further comprising contact removing means for scraping off and removing the dirt.

Images