JPS6323790B2 - - Google Patents
Info
- Publication number
- JPS6323790B2 JPS6323790B2 JP54148678A JP14867879A JPS6323790B2 JP S6323790 B2 JPS6323790 B2 JP S6323790B2 JP 54148678 A JP54148678 A JP 54148678A JP 14867879 A JP14867879 A JP 14867879A JP S6323790 B2 JPS6323790 B2 JP S6323790B2
- Authority
- JP
- Japan
- Prior art keywords
- ball
- wheels
- wheel
- parallel
- pair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000010304 firing Methods 0.000 claims description 30
- 230000007246 mechanism Effects 0.000 description 14
- 230000007723 transport mechanism Effects 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Rollers For Roller Conveyors For Transfer (AREA)
Description
【発明の詳細な説明】
本発明は、ボールの発射方向を自在に可変で
き、且つ種々の発射状態が得られるボール発射装
置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a ball firing device that can freely change the firing direction of a ball and provide various firing conditions.
従来、テニスのようなボール競技の練習に、所
定のボールを自動的に打出し発射するボール発射
装置が用いられているが、従来用いられているこ
の種の装置にあつては、ボールの発射方向及びボ
ールの発射状態を種々自在に可変することが困難
であり、また装置の構造が複雑である等して操作
性が極めて悪いという欠点がある。 Conventionally, ball launching devices that automatically launch and launch a predetermined ball have been used to practice ball games such as tennis. It is difficult to freely vary the direction and the state of ball launch, and the structure of the device is complicated, resulting in extremely poor operability.
そこで、本発明の目的は、ボールの発射方向及
び発射状態を種々自在に可変操作でき且つその可
変操作も容易で構造の簡単なボール発射装置を提
供することである。 SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a ball firing device that can freely vary the firing direction and firing state of the ball, is easy to manipulate, and has a simple structure.
以下、本発明を図面を参照しながら説明する。 Hereinafter, the present invention will be explained with reference to the drawings.
本発明によるボール発射装置は、第１図に示す
ように例えば所定のボール供給部からボール案内
通路１を通じて送り込まれたボールＢを搬送する
ボール搬送機構２と、このボール搬送機構によつ
て搬送されたボールＢを所定発射方向に発射する
ボール発射機構３とから構成されている。 As shown in FIG. 1, the ball firing device according to the present invention includes a ball transport mechanism 2 that transports a ball B fed through a ball guide passage 1 from a predetermined ball supply section, and a ball transport mechanism 2 that transports a ball B sent from a predetermined ball supply section through a ball guide path 1. and a ball firing mechanism 3 that fires the ball B in a predetermined firing direction.
上記ボール搬送機構２は、円形の基台４に互い
に先細り状となるように植立された複数の支持脚
５の先端部６で挟持するように支持された筒体７
に回動自在且つ所定位置に固定し得るように挿通
された支柱８を有し、この支持柱８の上端部及び
下端部に軸支した回転輪としての第１及び第２の
スプロケツト９，１０に亘つて、搬送体であるチ
エーンブロツク１１を巻装し、このチエーンブロ
ツク１１に適宜間隔をもつて取付け片１２を介し
てボール拾い上げ部１３が配設されている。この
チエーンブロツク１１に配設されるボール拾い上
げ部１３は、チエーンブロツク１１の走行方向に
向つて搬送されるボールＢの径と略同径に彎曲形
成した爪片をもつて構成されている。このように
ボール拾い上げ部１３を配設したチエーンブロツ
ク１１の下端側から上端側へ向う部分、すなわち
ボールＢの搬送作用を行なう往路側部分には、パ
イプ状のボール案内筒１４が設けられている。こ
のボール案内筒１４は搬送されるボールの径より
稍々大きな径をもつて構成され、またチエーンブ
ロツク１１と対向する側には高さ方向略全長に亘
つてスリツト１５ａが穿設され、このスリツト１
５ａを通じて上記チエーンブロツク１１に配設さ
れているボール拾い上げ部１３が該案内筒１４内
部へ臨まされている。 The ball conveying mechanism 2 includes a cylinder 7 that is supported so as to be held between the tip ends 6 of a plurality of support legs 5 that are set up on a circular base 4 so as to be tapered to each other.
First and second sprockets 9, 10 as rotary wheels are pivotally supported on the upper and lower ends of the support column 8. A chain block 11, which is a conveying body, is wound around the ball, and ball pick-up parts 13 are disposed on the chain block 11 at appropriate intervals via attachment pieces 12. The ball pick-up section 13 disposed on the chain block 11 is comprised of a claw piece curved to have approximately the same diameter as the ball B conveyed in the running direction of the chain block 11. A pipe-shaped ball guide cylinder 14 is provided in the portion of the chain block 11 in which the ball picking up portion 13 is disposed in this way from the lower end to the upper end, that is, in the forward path side portion where the ball B is conveyed. . This ball guide cylinder 14 is configured to have a slightly larger diameter than the diameter of the balls to be conveyed, and a slit 15a is bored on the side facing the chain block 11 over almost the entire length in the height direction. 1
A ball pick-up section 13 disposed on the chain block 11 is exposed to the inside of the guide tube 14 through the guide tube 5a.
上記ボール案内筒１４の下端側部分である、ボ
ール拾い上げ部１３を配設したチエーンブロツク
１１が走行して上記拾い上げ部１３が走行方向を
転換する支持柱８の下方側部分には、ボール案内
通路１から送り出されたボールＢを保持するボー
ル保持部１５が設けられている。このボール保持
部１５は、ボール案内筒１４の下端部を支持柱８
の下方側部分へ折曲して延設するとともに、ボー
ル案内通路１の開口端と対向する部分を切欠いて
開口せしめ上記案内通路１から送り出されたボー
ルＢをボール拾い上げ部１４の彎曲方向が下向き
から上向きに方向転換する範囲中の該拾い上げ部
１３の先端が装置設置面に対し略水平となる位置
でボールＢを保持するように形成されている。 A ball guide passage is provided in the lower end portion of the support column 8, which is the lower end portion of the ball guide cylinder 14, on which the chain block 11 equipped with the ball picking up portion 13 runs and where the picking up portion 13 changes the running direction. A ball holding section 15 is provided to hold the ball B sent out from the ball holding section 15. This ball holding portion 15 connects the lower end of the ball guide tube 14 to the support column 8.
The curved direction of the ball picking up part 14 is directed downward, and the ball B sent out from the guide path 1 is bent and extended to the lower side, and the part opposite to the open end of the ball guide path 1 is cut out and opened. The tip of the pick-up part 13 in the range where the direction changes upward from the ball B is formed so as to hold the ball B at a position substantially horizontal to the installation surface of the device.
上述のようにボール搬送機構２を構成すること
によつて、ボール案内通路１を通つて送り出され
たボールＢは、ボール保持部１５に保持された所
でボール拾い上げ部１３によつて拾い上げられ且
つボール案内筒１４に案内されながら走行するチ
エーンブロツク１１によつて所定位置、すなわち
ボール発射機構３まで搬送される。 By configuring the ball transport mechanism 2 as described above, the ball B sent out through the ball guide path 1 is picked up by the ball picking up part 13 at the place where it is held by the ball holding part 15 and The ball is transported to a predetermined position, that is, to the ball firing mechanism 3, by the chain block 11, which runs while being guided by the ball guide tube 14.
また、チエーンブロツク１１を巻装した支持柱
８の上端側には、第１のスプロケツト９と支持軸
１６を共通にしてボール発射機構３が回動操作自
在に取付けられている。 Further, a ball firing mechanism 3 is rotatably attached to the upper end side of the support column 8 around which the chain block 11 is wound, with the first sprocket 9 and the support shaft 16 in common.
このボール発射機構３は、第２図に示すよう
に、対をなす第１及び第２のホイール２１，２２
を駆動軸２３，２４が互いに平行（図示の例では
同軸）で外側面２５，２６が相対向するようにホ
イール取付け板２７，２８に取付け、同じく対を
なす第３及び第４のホイール２９，３０を駆動軸
３１，３２が互いに平行（図示の例では同軸）で
外側面３３，３４が相対向するように上記ホイー
ル取付け板２７，２８に取付ける。さらに対をな
す上記第１及び第２のホイール２１，２２の外周
面３５，３６と同じく対をなす上記第３及び第４
のホイール２９，３０の外周面３７，３８が対向
するように配設する。そして、対をなす第１及び
第２のホイール２１，２２の間隔W1と第３及び
第４のホイール２９，３０の間隔W2はそれぞれ
同一とし、また、第１のホイール２１と第３のホ
イール２９の距離l1及び第２のホイール２２と第
４のホイール３０の距離l2はそれぞれ同一とさ
れ、且つそれら距離l1，l2は発射されるボールＢ
の径と同一か稍々小さいものとされている。さら
に各ホイール２１，２２及び２９，３０の外周面
３５，３６及び３７，３８は互いに内方側へ斜傾
するテーパ状の傾斜面が形成されている。この傾
斜面は、各ホイールと発射するボールとの接触面
積を大きくして上記各ホイールの回転を確実にボ
ールに伝えるためのものである。 As shown in FIG. 2, this ball firing mechanism 3 includes a pair of first and second wheels 21 and 22.
are attached to the wheel mounting plates 27 and 28 so that the drive shafts 23 and 24 are parallel to each other (coaxial in the illustrated example) and the outer surfaces 25 and 26 face each other, and the third and fourth wheels 29, which also form a pair, 30 is attached to the wheel mounting plates 27 and 28 so that the drive shafts 31 and 32 are parallel to each other (coaxial in the illustrated example) and the outer surfaces 33 and 34 are opposite to each other. Furthermore, the outer peripheral surfaces 35 and 36 of the first and second wheels 21 and 22 that form a pair, and the third and fourth wheels that form a pair
The outer peripheral surfaces 37 and 38 of the wheels 29 and 30 are arranged so as to face each other. The distance W 1 between the pair of first and second wheels 21 and 22 and the distance W 2 between the third and fourth wheels 29 and 30 are the same, and the distance between the first and third wheels 21 and 22 is the same. The distance l 1 of the wheel 29 and the distance l 2 between the second wheel 22 and the fourth wheel 30 are respectively the same, and these distances l 1 and l 2 are the same as the distance l 1 and the distance l 2 between the second wheel 22 and the fourth wheel 30.
The diameter is said to be the same as or slightly smaller than that of the Furthermore, the outer circumferential surfaces 35, 36 and 37, 38 of each wheel 21, 22, 29, 30 are formed with tapered inclined surfaces that are inclined inwardly from each other. The purpose of this inclined surface is to increase the contact area between each wheel and the ball to be shot, and to reliably transmit the rotation of each wheel to the ball.
このように対をなす第１及び第２のホイール２
１，２２及び同じく対をなす第３及び第４のホイ
ール２９，３０を２組、上述したような間隔及び
距離をもつて配設することによりこれらホイール
２１，２２及び２９，３０によつて形成される空
隙部はボール発射部４３を構成する。 The first and second wheels 2 paired in this way
1, 22 and the third and fourth wheels 29, 30, which also form a pair, are arranged by arranging two sets of wheels 21, 22 and 29, 30 with the spacing and distance as described above. The gap formed by the ball forming part constitutes a ball firing part 43.
ところで、第１〜第４の各ホイール２１，２２
及び２９，３０はホイール取付け板２７，２８に
取付けられた第１〜第４のモータ３９，４０，４
１，４２によつて各々独立に回転駆動せしめられ
る。そしてこれらモータ３９〜４２の回転スピー
ドを自在に可変操作することにより、第１〜第４
のホイール２１，２２及び２９，３０によつて構
成されるボール発射部４３に送り込まれたボール
Ｂにはスピンをかけたりして自在に発射スピード
及び発射状態を可変することができる。 By the way, each of the first to fourth wheels 21, 22
and 29, 30 are first to fourth motors 39, 40, 4 attached to the wheel mounting plates 27, 28.
1 and 42, each of which is rotated independently. By freely controlling the rotational speeds of these motors 39 to 42, the first to fourth
The ball B fed into the ball firing section 43 constituted by the wheels 21, 22 and 29, 30 can be spun or the firing speed and firing state can be freely varied.
なお、第１及び第２のホイール２１，２２の間
隔W1及び第３及び第４のホイール２９，３０の
間隔W2、第１及び第３のホイール２１，２９の
距離l1及び第２及び第４のホイール２２，３０の
距離l2を一定にする限り、上記各ホイール２１，
２２及び２９，３０の大きさは自在に可変しても
よい。但し、対をなす第１及び第２のホイール２
１，２２の駆動軸２３，２４を平行に、同じく第
３及び第４のホイール２９，３０の駆動軸３１，
３２を平行にする必要がある。これはボールの発
射方向の調整を確実にするためである。 Note that the distance W 1 between the first and second wheels 21, 22, the distance W 2 between the third and fourth wheels 29, 30, the distance l 1 between the first and third wheels 21, 29, and the distance L 1 between the first and third wheels 21, 29, As long as the distance l 2 between the fourth wheels 22 and 30 is constant, each of the wheels 21,
The sizes of 22, 29, and 30 may be freely changed. However, the first and second wheels 2 forming a pair
The drive shafts 23 and 24 of the wheels 1 and 22 are parallel to each other, and the drive shafts 31 and 31 of the third and fourth wheels 29 and 30 are parallel to each other.
32 must be parallel. This is to ensure the adjustment of the ball launch direction.
上述のように構成されたボール発射機構３は、
第３図に示すようにホイール取付け板２７，２８
の基端部を介して支持軸１６に回動操作自在に取
付ける。このボール発射機構３を支持軸１６に取
付ける際には、チエーンブロツク１１に取付けた
ボール拾い上げ部１３が少なくとも一方の対をな
すホイール間、すなわち第３及び第４のホイール
２９，３０の間を通過し得るように取付ける。 The ball firing mechanism 3 configured as described above is
As shown in Fig. 3, wheel mounting plates 27, 28
It is rotatably attached to the support shaft 16 via the base end of the support shaft 16. When this ball firing mechanism 3 is attached to the support shaft 16, the ball picking up part 13 attached to the chain block 11 passes between at least one pair of wheels, that is, between the third and fourth wheels 29 and 30. Install as possible.
このような関係でボール搬送機構２とボール発
射機構３を配置することにより、上記搬送機構２
によつて搬送されたボールＢは上記ボール発射機
構３のボール発射部４３に送り込まれ、該発射機
構３によつて打出し発射される。 By arranging the ball transport mechanism 2 and the ball firing mechanism 3 in such a relationship, the transport mechanism 2
The ball B conveyed by is fed into the ball firing section 43 of the ball firing mechanism 3, and is launched and fired by the firing mechanism 3.
なお、ボール案内筒１４の上端側の先端部４４
は、折曲して上記ボール発射部４３にその開口端
が臨むように延設され、ボール拾い上げ部１３に
よつて保持されて搬送されるボールＢが確実にボ
ール発射部４３に送り込まれるように構成されて
いる。 Note that the tip end 44 on the upper end side of the ball guide cylinder 14
is bent and extended so that its open end faces the ball firing section 43, so that the ball B held and conveyed by the ball picking up section 13 is reliably fed into the ball firing section 43. It is configured.
上述のように本発明によれば、ボールを発射す
る各ホイールと各回転駆動部とが全て同一方向に
設けられ、この各ホイールの回転駆動部であるモ
ータの回転スピードをそれぞれ調整可能であるの
で、ホイール部が第１及び第２の支持板により支
持柱に簡単に支持でき、容易に発射角を変えるこ
とができるとともに、発射されるボールの球種を
任意に設定でき、縦、横そして斜めと３次元方向
に変化する種々の変化球を発射することができ
る。 As described above, according to the present invention, each wheel that shoots a ball and each rotation drive section are all provided in the same direction, and the rotation speed of the motor that is the rotation drive section of each wheel can be adjusted. , the wheel part can be easily supported on the support column by the first and second support plates, the firing angle can be easily changed, and the type of ball to be fired can be arbitrarily set, and it can be set vertically, horizontally, and diagonally. It is possible to fire various curveballs that change in three-dimensional directions.
また、本発明によれば、各ホイールの端面部が
テーパ状に形成されているので、ホイールと発射
するボールとの接触面を大きくなすことができ、
変化するボールを確実に発射することができる。 Further, according to the present invention, since the end face portion of each wheel is formed in a tapered shape, the contact surface between the wheel and the ball to be shot can be made large.
It is possible to reliably fire a changing ball.
さらに、本発明は、各ホイール及び回転駆動部
を支持する第１及び第２の支持板が直接上記ボー
ル搬送用の回転輪と同軸に支持柱に取付けられる
ので、装置全体として簡素化され、この装置の小
型化を達成することができるとともに、装置全体
としての重心位置の選択が容易であり、且つバラ
ンスを取り易くすることができる。 Furthermore, in the present invention, the first and second support plates that support each wheel and the rotary drive section are directly attached to the support column coaxially with the rotary wheel for conveying the ball, so that the entire device is simplified. The device can be made smaller, and the center of gravity of the device as a whole can be easily selected and balanced.
第１図は本発明の斜視図であり、第２図は本発
明を構成するボール発射機構を示す正面図であ
り、第３図はボール発射機構とボール搬送機構と
の関係を示す部分側面図であり、第４図はボール
発射機構を回動操作した状態の部分側面図であ
る。
１……ボール案内通路、２……ボール搬送機
構、３……ボール発射機構、９……第１のスプロ
ケツト、１０……第２のスプロケツト、１１……
チエーンブロツク、１３……ボール拾い上げ部、
１４……ボール案内筒、１６……支持軸、２１…
…第１のホイール、２２……第２のホイール、２
３，２４……駆動軸、２５……第１のホイールの
外側面、２６……第２のホイールの外側面、２
７，２８……ホイール取付け板、２９……第３の
ホイール、３０……第４のホイール、３１，３２
……駆動軸、４３……ボール発射部。
FIG. 1 is a perspective view of the present invention, FIG. 2 is a front view showing a ball firing mechanism constituting the invention, and FIG. 3 is a partial side view showing the relationship between the ball firing mechanism and the ball transport mechanism. FIG. 4 is a partial side view of the ball firing mechanism in a state where it is rotated. DESCRIPTION OF SYMBOLS 1... Ball guide path, 2... Ball transport mechanism, 3... Ball firing mechanism, 9... First sprocket, 10... Second sprocket, 11...
Chain block, 13...Ball picking up section,
14...Ball guide tube, 16...Support shaft, 21...
...First wheel, 22...Second wheel, 2
3, 24... Drive shaft, 25... Outer surface of first wheel, 26... Outer surface of second wheel, 2
7, 28... Wheel mounting plate, 29... Third wheel, 30... Fourth wheel, 31, 32
... Drive shaft, 43 ... Ball launcher.
Claims (1)
れた一対の第１、第２のホイールと、 上記一対の第１、第２のホイールに対向して平
行に配設されるとともに、駆動軸が平行で互いに
回転方向が逆に設定された一対の第３、第４のホ
イールと、 これら第１、第２、第３及び第４のホイールの
駆動軸の回転速度をそれぞれ任意に制御して各々
を独立に回動操作する第１、第２、第３及び第４
の回転駆動部と、 上記第１と第２のホイール及び回転駆動部を支
持する第１の支持板と、 上記第３と第４のホイール及び回転駆動部を支
持して上記第１の支持板と平行に配された第２の
支持板とからなり、 発射するボールに接触する上記各ホイールの端
面をテーパ状に形成するとともに、上記第１及び
第２の支持板がボール搬送用の回転輪の一方と同
軸且つ上下方向に回動自在に設定可能で支持柱に
対して支持されており、上記軸を中心として上記
第１及び第２の支持板を上下方向の任意角、すな
わちボールの発射角を設定し、上記４個のホイー
ルを互いに独立回転させて種々の変化球を投球で
きることを特徴とするボール発射装置。[Claims] 1. A pair of first and second wheels whose drive shafts are parallel and whose rotation directions are opposite to each other, and which are arranged in parallel to face the pair of first and second wheels. and a pair of third and fourth wheels whose drive shafts are parallel and whose rotation directions are opposite to each other, and the rotational speeds of the drive shafts of these first, second, third, and fourth wheels. 1st, 2nd, 3rd, and 4th, each of which is controlled arbitrarily and rotated independently.
a first support plate that supports the first and second wheels and the rotation drive unit; a first support plate that supports the third and fourth wheels and the rotation drive unit; and a second support plate arranged parallel to the ball, and the end surface of each wheel that contacts the ball to be shot is formed into a tapered shape, and the first and second support plates are arranged as rotating wheels for conveying the ball. The first and second support plates can be set coaxially with one of the shafts and freely rotatable in the vertical direction, and are supported on a support column, and the first and second support plates can be set at arbitrary angles in the vertical direction with the axis as the center, that is, the ball can be launched. A ball firing device characterized in that it is possible to pitch various curve balls by setting an angle and rotating the four wheels independently of each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14867879A JPS5670776A (en) | 1979-11-16 | 1979-11-16 | Shooting device for ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14867879A JPS5670776A (en) | 1979-11-16 | 1979-11-16 | Shooting device for ball |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5670776A JPS5670776A (en) | 1981-06-12 |
| JPS6323790B2 true JPS6323790B2 (en) | 1988-05-18 |
Family
ID=15458157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14867879A Granted JPS5670776A (en) | 1979-11-16 | 1979-11-16 | Shooting device for ball |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5670776A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08308974A (en) * | 1995-05-16 | 1996-11-26 | Sunaga Kaihatsu Kk | Golf ball pushing up device |
| KR101774377B1 (en) * | 2016-01-27 | 2017-09-04 | (주)클라우드게이트 | The ball feeding device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS448751Y1 (en) * | 1966-08-03 | 1969-04-09 | ||
| JPS5344237A (en) * | 1976-10-01 | 1978-04-20 | Kunio Fumiiwa | Ball pitching machine |
| JPS5483537A (en) * | 1977-12-15 | 1979-07-03 | Birii Eichi Riibusu | Tennis ball pitching machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5494565U (en) * | 1977-12-16 | 1979-07-04 |
-
1979
- 1979-11-16 JP JP14867879A patent/JPS5670776A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS448751Y1 (en) * | 1966-08-03 | 1969-04-09 | ||
| JPS5344237A (en) * | 1976-10-01 | 1978-04-20 | Kunio Fumiiwa | Ball pitching machine |
| JPS5483537A (en) * | 1977-12-15 | 1979-07-03 | Birii Eichi Riibusu | Tennis ball pitching machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5670776A (en) | 1981-06-12 |
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