JPH11128460A - Game machine manufacturing nailing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To open and close a nail holder arm to prevent the occurrence of a nailing failure. SOLUTION: A nail holder arm firmly holds the shaft part 37a of a nail 37 in the nipping state by a close side electromagnet 8 from nail feed to nailing, so that the nail 37 can be driven to a game board without buckling it. When the nail holder arm is retreated from the nailing to the nail receiving position side, it is opened in the non-nipping state of the shaft part 37a of the nail 37 by an open side electromagnet 7, and the opening of the nail holder arm is fixed to a prescribed width, so that the nail holder arm is never collided to an adjacent existing nail, and the curving of the existing nail can also be prevented.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a nail driving machine for manufacturing a game machine for driving a game machine such as a pachinko machine with a nail.

[0002]

2. Description of the Related Art Some nailing machines for manufacturing game machines include, for example,
As disclosed in Japanese Patent Publication No. 3-42908,
With the design board surface of the game board facing upward, the game board is positioned and mounted on a table, and this table is moved vertically and horizontally in a plane according to the nailing position and the order according to the nailing data, and the predetermined position of the game board is nailed. After positioning and stopping below the holder mechanism, the nail supplied from the nail supply unit to the nail holder mechanism is
2. Description of the Related Art There is known a game machine in which nails are automatically driven one by one into a game board by hammering the nail into the game board.

FIG. 9 shows the appearance of a conventional nail holder mechanism 41 and a hammer head 61. 9, the nail holder mechanism 41 has a holder base 42. The holder base 42 has a nail receiving position L3 for receiving a nail 71 from a nail feeding unit (not shown) by a driving mechanism (not shown),
It is attached to a nail driving machine (not shown) so as to move to a nail driving position L4 for driving a nail into the game board 72 (see FIG. 10). The nail holder arm 45 provided on the holder base 42 has a fixed arm 43 fixedly attached to the holder base 42 and a movable arm 44 attached to the holder base 42 so as to be openable and closable.
The fixed arm 43 has a flat nail holding portion 43a on the inner surface of the distal end projecting outward from the distal end of the holder base. The movable arm 44 is attached to the holder base 42 so as to be rotatable in the lateral direction about the arm column 46, and has a V-shaped nail holder in a plan view on an inner surface of a distal end projecting outward from the distal end of the holder base 42. 44a. An arm spring 47 hung on the holder base 42 behind the arm column 46 of the movable arm 44 applies a closing force to the movable arm 44. An arm support 48 is attached to the holder base 42 so as to cover the fixed side arm 43 and the movable side arm 44 around the arm column 46 to prevent rattling of the nail holder arm 45 in the vertical direction. doing. A cam 49 is attached to the arm support 48 via a pin 50 so as to be rotatable in the vertical direction. The cam follower 51 corresponding to the cam 49 is erected from the movable arm 44. When the movable arm 44 is closed by the elasticity of the arm spring 47, the cam follower 51 slides on one side surface of the cam 49 and pushes up the cam 49.
A cam stopper 52 is provided on the holder base 42 between the arm support 46 and the nail holding portions 43a, 44a.
It is erected so as not to interfere with the nail holder arm 45. Nail holder arm 4 of cam stopper 52
The upper end protruding above 5 is separated from the cam 49 pushed up by the cam follower 51. The hammer head 61 is moved up and down to a standby position and a driving end position by a driving mechanism (not shown) at the nail driving position L4.
Mounted on a nailing machine. The hammer head 61
It has a hammer 62 and a plunger 63.

The operation of the conventional nail holder mechanism 41 and hammer head 61 will now be described with reference to FIGS. As shown in FIG. 9, when the nail holder mechanism 41 is stopped at the nail receiving position L3, the nail 71 descends from the nail supply unit toward the nail holding units 43a and 44a.
Then, when the nail 71 is pushed down by the pusher of the nail supply unit, the nail 71 pushes and opens the movable arm 44 against the elasticity of the arm spring 47 while the nail holding unit 43 is opened.
a and 44a. After that, the holder base 42 advances in the direction of arrow F directly below the hammer head 61. Next, as shown in FIG. 10, in a state where the nail holder mechanism 41 is stopped at the nail driving position L4, the hammer head 61 is lowered in the arrow G direction from the standby position toward the driving end position. Then, while the hammer 62 is descending to the driving end position, the nail 71 of the nail holder mechanism 41 is pushed down and driven into the game board 72. In the process in which the nail 71 is driven into the game board 72, the hammer head 6
The first plunger 63 is the cam 49 of the nail holder mechanism 41.
Press down. Thereby, the cam 49 is moved to the cam follower 5.
1 is pushed laterally outward to open the movable arm 44 in the direction of arrow H. Thereafter, the cam 49 hits the cam stopper 52 and the lowering of the hammer head 61 stops,
The nail 71 is driven into the game board 72 by a predetermined amount. Further, as shown in FIG. 11, when the nail holder mechanism 41 starts retreating in the direction of the arrow I, in the initial stage of retreat, the plunger 63 is in sliding contact with the cam 49 while pushing the cam 49 down. Therefore, when the movable side arm 44 retreats while being opened and the movable side arm 44 retreats to a position where it comes off the nail 71, the hammer head 61 rises in the arrow J direction. Then, the nail holder mechanism 41 is moved to the nail receiving position L3.
The hammer head 61 moves back up to the standby position and stops. When the movable arm 44 retreats to a position where it comes off the nail 71, the game board 72 moves vertically and horizontally in the plane according to the nailing position and the order according to the nailing data, and stops at the next nailing position. Then, nail holder mechanism 4
1 and the hammer head 61 repeat the operation of FIGS. 9 to 11 to drive the nail 71 into the game board 72.

[0005]

However, in the conventional nail holder mechanism 41, when the hammer 62 drives the nail 71 into the game board 72 at the nail driving position L4, the elasticity of the arm spring 47 causes the movable arm 44 to move. Holds the nail 71. For this reason, when the nail 71 is driven into the game board 72, the axis of the hammer 62 and the nail 71 is slightly misaligned,
Lateral force acts on the nail 71 from the hammer 62, the movable arm 44 moves to the open side, and the nail 71 is bent and driven into the game board 72, which may result in nailing failure. When the nail holder mechanism 41 is moved backward toward the nail receiving position L3 after the nail 71 is driven into the game board 72, the plunger 63 pushes down the cam 49 against the elasticity of the arm spring 47. As a result, the movable arm 44 is opened. For this reason, the movable arm 44 may open too much and collide with an adjacent nail already driven into the game board 72 due to rattling of the nail holder mechanism 41 or the like, and the existing nail may be bent.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a nailing machine for manufacturing a game machine, which can prevent nailing failure by opening and closing a nail holder arm by an electromagnet.

[0007]

According to the first aspect of the present invention, a table on which a game board is positioned and mounted, and a nail holder mechanism and a hammer mechanism disposed above the table are formed by nailing data. It moves relatively vertically and horizontally in the plane according to the nailing position and the order, stops the positioning of the predetermined position of the game board below the nail holder mechanism, and feeds the nail supplied from the nail supply unit to the nail holder mechanism with the hammer mechanism. In a nailing machine for manufacturing a gaming machine, which is driven into a game board by a nail, a nail holder mechanism is configured to open and close a nail holder arm for holding a nail shaft portion, and the nail shaft portion of the nail holder arm from nail supply to nail driving. A closing-side electromagnet that closes in a sandwiched form;
When the nail holder mechanism is retracted from the nail driving position to the nail receiving position side by the relative movement with the table after the nail is driven into the game board by the nail holder arm, the shaft portion of the nail is not pinched. An opening-side electromagnet that performs an opening operation is provided. According to the configuration of the first aspect, the nail holder arm securely holds the nail shaft portion from the supply of the nail to the driving of the nail with the closing-side electromagnet sandwiching the shaft portion of the nail. The nails are aligned vertically, and a linear force acts on the nail from the hammer downward from above, so that the nail can be driven into the game board without buckling. Also, when the nail holder arm retreats from the nailing to the nail receiving position side, the opening side electromagnet opens the nail shaft in a non-clamping form, so that the opening degree of the nail holder arm is fixed to a predetermined width, The nail holder arm does not collide with an adjacent existing nail driven into the game board, and the existing nail does not bend. According to the second aspect of the present invention, the electromagnetic force of the closing electromagnet according to the first aspect is divided into a case where the nail holder arm receives the nail from the nail supply unit and a case where the nail is pinched, and the electromagnetic force when receiving the nail. It is characterized by being weaker than the electromagnetic force when holding the force. According to the configuration of the second aspect, since the nail holder arm weakly holds the nail received from the nail supply unit, the wear of the nail holder arm can be reduced. According to a third aspect of the present invention, there is provided an elastic body which elastically receives an opening operation of the nail holder arm when the nail holder arm is closed by the closing electromagnet according to the first aspect. I have. According to the configuration of the third aspect, since the elastic body elastically receives the nail holder arm that closes, even if there is a variation within the allowable range of the nail, the elastic body absorbs the variation of the nail, There is no load on the nail holder arm.

[0008]

1 to 8 show an embodiment. FIG. 1 shows an appearance of a nail holder mechanism 1, FIG. 2 shows an exploded view of the nail holder mechanism 1, and FIGS. Shows the mutual operation of the nail holder mechanism 1 and the hammer head 21, and FIG. 8 shows a side view of the nailing machine 30 for manufacturing a game machine.

In FIG. 8, a nailing machine 30 for manufacturing a game machine is shown.
A game board sensor (not shown) that detects that the game board 31 is positioned and mounted on the table 32 with the design board surface of the game board 31 facing upward, or an operator operation in place of the game board sensor. When any of the manual switches that are turned on outputs the game board type signal and the nailing start signal to the control unit 33 in which the computer is built, the computer stores the game stored in the storage device of the control unit 33 in advance. The nailing position and the order are extracted from the nailing data corresponding to the model of the board 31, and X is determined according to the nailing position and the order.
Motor 35a of Y-direction drive mechanism 35 and Y-direction drive mechanism 3
By controlling the motor 34a and the table 32, the table 32 is moved in the vertical and horizontal directions of X and Y in the plane, so that the predetermined position of the game board 31 on the table 32 is spaced above the table 32. Nail holder mechanism 1 and hammer mechanism 2
After the positioning is stopped below 0, a nail 37 called a game nail or an obstacle nail supplied from the nail supply unit 36 such as a parts feeder to the nail holder mechanism 1 is removed.
By hitting the game board 31 with the
Are automatically driven one by one into the game board 31.

As shown in FIG. 2, the nail holder mechanism 1 of this embodiment comprises a holder base 2, a nail holder arm 5 comprising a fixed arm 3 and a movable arm 4, an open electromagnet 7, and a closed electromagnet 8. , An elastic body 9, an arm support 10, a plurality of set screws 11, 12, 13, 14, 15, 16 and the like.

The holder base 2 has a nail receiving position L1 for receiving the nail 37 from the nail supply unit 36, and a nail 3 on the game board.
7 is attached to the nail driving machine 30 for manufacturing a game machine via a drive mechanism (not shown) so as to move to a nail driving position L2 for driving the game machine 7. In the holder base 2, a pair of left and right arm posts 2b, 2c are erected substantially at the center in the front-rear direction, and a semicircular notch 2d is formed at the front end, and a pair of left and right support member fixing screw holes 2e. , 2f are formed on the rear side of the arm posts 2b, 2c, the screw holes 2g for fixing the arm are formed on the rear left side, and the bracket 7a of the open electromagnet 7 is attached to the center by the screw 11, and the closed electromagnet 8
The bracket 9a of the elastic body 9 such as a spring or rubber is attached to the front right side of the bracket 8a by the screw 13 with a screw 12 attached to the rear right side. 7b is a lead wire of the open electromagnet 7, and 8b is a lead wire of the closed electromagnet 8.

The fixed arm 3 and the movable arm 4 include
The bearing holes 3a and 4a are connected to the arm posts 2 of the holder base 2.
It is formed at a position corresponding to b and 2c. A flat nail holder 3b in plan view and a nail holder 4b in V-shape in plan view are provided on the inner side surface of the distal end portion of each of the fixed side arm 3 and the movable side arm 4 in front of the bearing holes 3a, 4a. It is formed at a position near the front of the notch 2 d of the base 2. That is,
The distance from the bearing holes 3a, 4a to the nail holding parts 3b, 4b is determined to be longer than the distance from the arm posts 2b, 2c to the notch 2d. At the rear end of the fixed arm 3, a through hole 3 c is formed at a position corresponding to the arm fixing screw hole 2 g of the holder base 2. The movable side arm 4 is provided with an open side adsorbing portion 4c made of a ferromagnetic material such as iron.
And a closed-side suction portion 4d made of a ferromagnetic material such as iron and an elastic body receiving portion 4e.

The arm support 10 is attached to the holder base 2 so as to cover the periphery of the bearing hole 3a of the fixed arm 3 and the periphery of the bearing hole 4a of the movable arm 4, and the arm holder 10 is mounted on the holder base 2 in the vertical direction. A groove 10a is formed on the lower surface for taking in a part of the fixed arm 3 and a part of the movable arm 4 in the front-rear direction, and an insertion hole is formed in the upper wall of the groove 10a. 10b and 10c are formed at positions corresponding to the pair of left and right arm posts 2b and 2c,
Through holes 10d and 10e are formed in the left and right walls of Oa at positions corresponding to the pair of left and right support fixture fixing screw holes 2e and 2f.

The nail holder mechanism 1 of this embodiment is assembled into the form shown in FIG. 1 by using the components shown in FIG. That is, while the rear end of the bearing hole 3a of the fixed arm 3 is located on the left side of the open electromagnet 7, the bearing hole 3a of the fixed arm 3 is connected to the arm support 2b of the holder base 2.
Insert The rear end of the movable side arm 4 from the bearing hole 4a is inserted between the open side electromagnet 7 and the closed side electromagnet 8, and the bearing hole 4a of the movable side arm 4 is inserted into the arm post 2c of the holder base 2. I do. An arm post 2 projecting above the fixed arm 3 and the movable arm 4
After the insertion holes 10b and 10c of the arm support 10 are inserted into the b and 2c, the set screws 15 and 16 are fastened to the support fixing screw holes 2e and 2f of the holder base 2 from the through holes 10d and 10e of the arm support 10. Then, the arm support 10 is fixedly attached to the holder base 2.

After the fixed arm 3 and the movable arm 4 are mounted on the holder base 2, the posture of the nail holder arm 5 is adjusted. That is, the rear end of the fixed arm 3 and the rear end of the movable arm 4 are moved outward from each other, and the front end of the fixed arm 3 and the front end of the movable arm 4 are moved to the arm posts 2b and 2c. And close each other inward from the left and right. At the time of this closing, the nail 37 is located between the nail holding portion 3b of the fixed arm 3 and the nail holding portion 4b of the movable arm 4.
The shaft 37a is sandwiched between the head 37b and the spiral 37c. When the nail 37 is sandwiched, a slight gap is formed between the inner surface of the fixed arm 3 and the inner surface of the movable arm 4. Then, while holding the nail 37, the fixed arm 3 and the movable arm 4 are moved right and left together, and substantially the same in the circumferential direction between the shaft 37 a of the nail 37 and the cutout 2 d of the holder base 2. At the adjustment position where a semi-annular gap having a width can be formed, the movement of the fixed arm 3 and the movable arm 4 together is stopped. The set screw 14 is inserted through the fixed arm 3 while the stop mode is maintained or after the distal end of the movable arm 4 is opened outward and the nail 37 is removed from the nail holders 3b, 4b. Hole 3c
The fixed arm 3 is fixedly attached to the holder base 2 by tightening the arm fixing screw hole 2 g of the holder base 2.

After loosening the screw 11 so that the bracket 7a of the open-side electromagnet 7 can move laterally on the holder base 2, power is supplied to the open-side electromagnet 7 and the movable-side arm 7 is moved by the open-side electromagnet 7. 4, the suction portion 4c on the open side is sucked. In this state, the distal end of the movable arm 4 is opened outward to adjust the opening frontage with the distal end of the fixed arm 3. With this adjustment, the holder base 2 is moved between the nail receiving position L1 and the nail driving position L2 while the nail holder arm 5 is open between the tip of the fixed arm 3 and the tip of the movable arm 4. When moving forward and backward, the inner surface of the distal end of the movable arm 4 does not interfere with the shaft 37a of the nail 37, and the minimum size that allows the shaft 37a of the nail 37 to be pulled out of the nail holders 3b and 4b. Is formed. In the form in which the position of the distal end of the movable arm 4 is adjusted, the screw 11 is fastened to secure the position of the open electromagnet 7 with respect to the holder base 2. Power supply to the open-side electromagnet 7 is cut off after the gap is formed.

Further, the screw 13 was loosened so that the bracket 9a of the elastic body 9 was retracted to the right, and the screw 12 was loosened so that the bracket 8a of the closed electromagnet 8 could move laterally on the holder base 2. Thereafter, electric power is supplied to the closing-side electromagnet 8, and the closing-side electromagnet 8 attracts the closing-side attracting portion 4d of the movable arm 4. In this state, the distal end of the movable arm 4 is closed inward to adjust the opening frontage with the distal end of the fixed arm 3. By this adjustment, the nail holder 3b and the nail holder 4
b form a gap therebetween in which an inscribed circle H1 (see FIG. 3a) having a size slightly smaller than the diameter d (see FIG. 3c) of the shaft portion 37a of the nail 37 can be drawn. That is, the nail holders 3b and 4b can pinch the shaft 37a of the nail 37. In the form in which the position of the distal end of the movable arm 4 is adjusted, the screw 12 is fastened to secure the position of the closed electromagnet 8. Power supply to the closing electromagnet 8 is cut off after the gap is formed. Thereby, the nail holder arm 5
Is completed.

The power supply to the closing electromagnet 8 is cut off,
In addition, the closing side attracting portion 4d of the movable side arm 4 is
When the bracket 9a is in contact with the
Is moved to the left side, and the elastic body 9 pushes the elastic body receiving portion 4e of the movable arm 4 from the right side to the left side to move the closed-side attracting portion 4d of the movable arm 4 slightly away from the closed-side electromagnet 8.
Thereby, the nail holding portion 3b and the nail holding portion 4b have a dimension slightly smaller than the diameter of the shaft portion 37a of the nail 37 therebetween, but slightly larger than the inscribed circle H1 (see FIG. 3). (See FIG. B)). In the form in which the position of the distal end of the movable arm 4 is adjusted as described above,
The position of the elastic body 9 with respect to the holder base 2 is secured by fastening the screw 13.

In FIG. 1, reference numeral 21 denotes a hammer head 21 of the hammer mechanism 20 shown in FIG. It is attached to the nailing machine 30 for manufacturing a game machine via a drive mechanism (not shown) so as to be driven up and down to the insertion end position. The hammer head 21 fixedly includes a hammer 22 and a sensed member 24. At the nail driving position L2, the hammer 22 moves the nail holder 3 above the nail holders 3b, 4b of the nail holder mechanism 1.
b, 4b and a nail 3
7 has a hemispherical receiving recess (not shown) for receiving the head 37b. A position sensor 25 is attached via a stay 26 to a fixed portion (not shown) of the hammer mechanism 20 that supports the hammer head 21 so as to be able to move up and down. Position sensor 2
5 is the hammer 2 after the lowering of the hammer head 21 is started.
When the second member 2 is lowered by a predetermined nail driving distance, the detected member 24 which has been lowered together with the hammer head 21 is sensed in a non-contact manner, and the nail driving for one nail 37 corresponding to the detecting operation is completed. A signal is supplied to the input unit of the control unit 33 (see FIG. 8) of the nailing machine 30 for manufacturing a game machine through the lead wire 25a extending from the position sensor 25. In response to the nail driving end signal, the control unit 33 stops power supply to the closing electromagnet 8 (the closing electromagnet 8 is turned off) and starts power supply to the opening electromagnet 7 (the opening electromagnet 7 is turned on). Instruct the nail holder mechanism 1 and the hammer mechanism 20 (see FIG. 8) to start raising the hammer head 21 and start retreating from the nail driving position L2 of the holder base 2 to the nail receiving position L1.

In order to drive one nail 37 into a game board 31 mounted on a nailing machine 30 for manufacturing a game machine according to this embodiment, a predetermined position of the game board 31 is set by the nail holder mechanism 1 and the hammer mechanism 20. After the positioning is stopped downward, one nail 37 is supplied from the nail supply unit 36 to the nail holder mechanism 1.
Nail holder mechanism 1 up to the process of being driven into
And the related operation of the hammer head 21 will be described with reference to FIGS.

First, as shown in FIG. 4, when the predetermined position of the game board 31 is stopped, the nail holders 3b, 4b
7, the nail holder mechanism 1 is waiting at the nail receiving position L1 so as to be coaxial with the nail receiving position L1 of the hammer 22.
The hammer head 21 is stopped at the standby position at the nail driving position L2 so that the hammer head 21 is coaxial with the nail driving position L2.
At the nail receiving position L1, in the nail holder mechanism 1, the open-side electromagnet 7 is turned off with the power cut off, the closed-side electromagnet 8 is turned on by receiving power supply, and the closed-side electromagnet 8 is turned on. Thereby, the movable side arm 4 is in a closed state. In the closed state of the movable arm 4,
Since the electric power supplied to the closing electromagnet 8 is small, the elastic receiving portion 4e of the movable arm 4 comes into contact with the elastic member 9 and the closing attracting portion 4d of the movable arm 4 is closed by the spring force of the elastic member 9. It is farther from the side electromagnet 8. Due to this closed state, the nail holding portions 3b, 4b are inscribed circle H2 as shown in FIG.
(H2 <d).

Next, as shown in FIG. 5, the supplied nail 3
7 descends and is pushed down by a pusher (not shown) of the nail supply unit 36, whereby the nail 37 holds the nail while pushing the movable arm 4 open in the direction of arrow A against the weak magnetic force of the closing electromagnet 8. It is inserted and mounted on the parts 3b, 4b. The weak holding force W1 (see FIG. 1) by the closing electromagnet 8 is caused by the shaft portion 37a of the nail 37 pushed down by the pusher.
In addition to being able to slide down with respect to b and 4b, the force is adjusted to an appropriate level such that the shaft portion 37a is not scratched by the nail holding portions 3b and 4b during the descent. Then, from the start of the nail supply operation in the nail supply section 36, the nail 37 is moved to the nail holding section 3b,
After a lapse of time until insertion and mounting in 4b, the control unit 33
Makes the power supplied to the closing electromagnet 8 stronger than the power supplied up to that time. The elapsed time from the start of the nail supply operation to the insertion and mounting is a time preset in a design stage when the nailing machine 30 for manufacturing a game machine is manufactured. The power supplied to the closed-side electromagnet 8 is enhanced, so that the elastic-body receiving portion 4e of the movable-side arm 4 compresses the elastic body 9 and the closed-side attracting portion 4d of the movable-side arm 4 is attracted to the closed-side electromagnet 8. You. Due to the strong holding force W2 (see FIG. 1) of the closing electromagnet 8, the nail holding portions 3b and 4b firmly hold the shaft portion 37a between the head portion 37b and the spiral portion 37c of the nail 37. Due to this pinching, the movable base 4 cooperates with the fixed arm 3 to apply an appropriate holding force (corresponding to the holding force W2 determined by the strong magnetic force of the closing electromagnet 8) to the nail 37. Fixed to Therefore, the nail holder arm 5 holds the nail 37 with an appropriate holding force so as not to be shaken. After the power supply to the closing electromagnet 8 is strengthened, the control unit 33 advances the nail holder mechanism 1 in the arrow C direction from the nail receiving position L1 while continuing the ON operation of the closing electromagnet 8.

Thereafter, as shown in FIG. 6, when the nail holder mechanism 1 reaches the nail driving position L2 from the nail receiving position L1, the control unit 33 stops the movement of the nail holder mechanism 1. By this stop, the nail 37 held by the nail holder mechanism 1 and the hammer 22 become coaxial. Then, the control unit 33 starts lowering the hammer head 21. During this descent, the head 37b of the nail 37 in which the hammer 22 is held by the nail holder mechanism 1 under the magnetic force of the closing electromagnet 8
Press down. By this pressing down, the portion from the tip end of the nail 37 to the shaft portion 37a via the spiral portion 37c is driven into a predetermined position on the game board 31. When the nail 37 is driven into the game board 31 by the hammer 22, the movable arm 4 is fixed to the holder base 2 so as not to be opened with a proper holding force applied to the nail 37 by the closing electromagnet 8. Since the nail holder arm 5 fixes and holds the nail 37 with an appropriate holding force, the axis of the nail 37 and the hammer 22
Are aligned vertically, and a linear force is applied from the hammer 22 to the nail 37 downward from above, so that the nail 37 can be normally driven into the game board 31 without buckling. When the nail 37 is driven into the game board 31 by a predetermined amount, the position sensor 25 acts on the sensed member 24 to output a nail driving end signal to the control unit 33. In response to the nail driving end signal, the controller 33 turns off the closing electromagnet 8,
An instruction is given to turn on the open electromagnet 7 and raise the hammer head 21. The closing operation of the closing electromagnet 8 and the opening electromagnet 7
Of the movable side arm 4 by the ON operation of
Is attracted inward by the magnetic force of the open-side electromagnet 7, and the movable arm 4 opens in the direction of arrow D. After the opening operation of the movable arm 4, the control unit 33 retracts the nail holder mechanism 1 from the nail driving position L <b> 2 in the direction of the arrow E while the opening operation of the opening electromagnet 7 is continued. The opening movement amount of the movable side arm 4 is regulated to a predetermined dimension by the fixed position of the opening side electromagnet 7,
The movable arm 4 does not rattle in the opening / closing direction. Therefore, during the period from the start of the opening operation of the movable arm 4 to the retreat of the nail holder mechanism 1 in the direction of the arrow E,
An existing nail, not shown, driven into the game board 31 before the nailing operation of this time is adjacent to the nail 37 driven into the game board 31 by the nailing operation, and a driving mechanism, not shown, Even when vibrations or the like are transmitted to the nail holder mechanism 1, the movable arm 4 does not vibrate in the opening direction, and the disadvantage that the movable arm 4 contacts and bends the existing nail can be prevented.

Thereafter, as shown in FIG. 7, when the nail holder mechanism 1 reaches the nail receiving position L1 from the nail driving position L2, the control unit 33 turns off the open electromagnet 7 and simultaneously closes the open electromagnet 8. The operation is turned on to stop the movement of the nail holder mechanism 1. Due to this stop, the nail holder mechanism 1 waits for the downward supply of the nail 37 from the nail supply unit 36. This allows
The nailing of one nail 37 into the game board 31 is completed. Further, the control unit 33 moves the table 32 on which the game board 31 is mounted vertically and horizontally in a plane and moves the predetermined position of the game board 31 to the nail holder mechanism 1 and according to the next nailing position and order based on the nailing data. After the positioning is stopped below the hammer mechanism 20, the operations in FIGS. 4 to 7 are repeated.

In the above-described embodiment, the table 32 is moved in the XY directions within the plane, and the predetermined position of the game board 31 is positioned and stopped below the nail holder mechanism 1. However, the table 32 is kept stationary and the nail holder mechanism is stopped. 1 and hammer mechanism 20
Is moved in the XY directions in the plane, or the table 32 is moved in the X direction, the nail holder mechanism 1 and the hammer mechanism 20 are moved.
The same operation and effect can be obtained by moving the set in the Y direction.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a nail holder mechanism and a hammer head according to an embodiment.

FIG. 2 is an exploded perspective view of the nail holder mechanism of the embodiment.

FIG. 3 is a plan view showing the opened and closed state of the nail holder mechanism of the embodiment.

FIG. 4 is an explanatory view of the operation of the embodiment at a nail receiving position.

FIG. 5 is an explanatory diagram of a nail receiving operation of the embodiment.

FIG. 6 is an explanatory diagram of a nail driving operation of the embodiment.

FIG. 7 is an explanatory diagram of a retracting operation to a nail receiving position according to the embodiment.

FIG. 8 is a side view of the nailing machine for manufacturing a game machine according to the embodiment.

FIG. 9 is a perspective view showing a conventional nail holder mechanism and a hammer head.

FIG. 10 is an operation explanatory view at a conventional nail driving position.

FIG. 11 is an explanatory view of a conventional retracting operation to a nail receiving position.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Nail holder mechanism 3 Fixed side arm 3b Nail holding part 4 Movable side arm 4b Nail holding part 4c Open side suction part 4d Closed side suction part 5 Nail holder arm 7 Open side electromagnet 8 Close side electromagnet 9 Elastic body 30 Game machine production Nailing machine 31 game board 32 table 37 nail

Claims (3)

[Claims] 1. A table on which a game board is positioned and mounted;
The nail holder mechanism and the hammer mechanism arranged above the table are relatively moved vertically and horizontally in a plane according to the nailing position and the order according to the nailing data, and the predetermined position of the game board is set to the nail holder mechanism. And stop positioning below
In a nailing machine for manufacturing a game machine, a nail supplied from a nail supply unit to a nail holder mechanism is driven into a game board by a hammer mechanism.
An openable / closable nail holder arm for holding a nail shaft by a nail holder mechanism, a closing-side electromagnet for closing the nail holder arm to hold the nail shaft from nail supply to nail driving, and the nail When the nail is retracted from the nailing position to the nail receiving position by the relative movement with the table after the nail is driven into the game board by the nail, the shaft of the nail is opened in a non-nipping form. A nail driving machine for manufacturing a game machine, comprising: 2. The electromagnetic force of the closing electromagnet is divided into a case where the nail holder arm receives the nail from the nail supply unit and a case where the nail is clamped, and the electromagnetic force when receiving the electromagnetic force is weaker than the electromagnetic force when clamping the electromagnetic force when receiving the nail. The nailing machine for manufacturing a game machine according to claim 1, wherein 3. The nail for manufacturing a gaming machine according to claim 1, wherein an elastic body is provided for elastically receiving an opening operation of the nail holder arm when the nail holder arm is closed by the closing electromagnet. Hammer.