JP3345134B2 - Ball game machine inspection line - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an inspection line for a ball and ball game machine. More particularly, the present invention relates to an inspection line of a ball game machine for holding, transporting, positioning and inspecting a ball game machine for inspection.

[0002]

2. Description of the Related Art In a ball-and-ball game machine, it is necessary to inspect the state of nails, the display device, the electric system, the assembled state and functions of a hitting machine and the like after assembly. It is desirable that this inspection be performed as close as possible to the state of use. For this inspection, it is necessary to look at the front surface of the ball-and-ball game machine and the back surface by turning it.
As a transport line for the inspection device of this ball game machine,
The one described in Japanese Utility Model Publication No. 5-17103 has been proposed.

In this invention, a pachinko machine is mounted on a conveying member, and each part arranged on the front and back is inspected so as to rotate about the center of the conveying member as a center of rotation.
Since the ball-and-ball game machine has various electric systems, a power supply is required for this inspection. However, the inspection device does not disclose a power supply device. In order to increase the inspection speed, it is necessary to increase the pallet transport speed as much as possible. On the other hand, when stopping the pallet, it is necessary to stop the pallet quickly.

[0004]

SUMMARY OF THE INVENTION The present invention has been invented with the above technical background and achieves the following objects.

An object of the present invention is to provide an inspection line for a ball game machine capable of supplying electricity for inspection to a ball game machine held on a moving pallet.

It is still another object of the present invention to provide an inspection line for a ball game machine capable of quickly transferring and stopping a pallet holding a ball game machine to a precise position.

[0007]

The present invention employs the following means to achieve the above object.

That is, the present invention holds an object to be inspected,
A pallet rotatable about a vertical axis, a transfer line for transferring the pallet by a guide rail, positioning and fixing means for stopping and clamping the pallet at a work position of the transfer line, and And a power supply means for supplying power to the inspection object, the power supply means being supplied along an overhead wire disposed along the pallet, and an electric engagement means for engaging with the power supply means and supplying power to the inspection object. An inspection line , wherein the guide rail is
It is located at the top of the
And position the pallet on one guide rail
And the other guide rail
Transfer means for transferring the pallet, and
This is an inspection line for a ball and ball game machine, wherein an overhead wire is arranged .

The positioning and fixing means may further comprise damper means for absorbing kinetic energy of the pallet, and clamp means for clamping the pallet.

[0010]

A ball game machine is held on a pallet that can rotate and index about a vertical axis on a transport line, and the pallet is absorbed and stopped by damper means at a working position of the transport line, and clamped. Clamp by means. Electricity necessary for inspection of the ball-and-ball game machine can be obtained at any position by contacting the electric engaging means with the power supply means arranged along the transport line.

[0011]

First Embodiment An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a front view of an inspection line for assembling mechanical parts, and FIG. 2 is a front view of FIG. The inspection line 1 is a circulation type transport line. The empty carriage is moved from return line 3 through traverser 2 to outgoing line 4
Moved to The traverser 2 is a station for mounting a ball game machine on a carrier.

An upper guide rail 6 is arranged above the going line 4 and the returning line 3 of the inspection line 1. The upper surface of the lower guide rail 7 is arranged in contact with the lower surface of the upper guide rail 6. FIG. 3 is a sectional view of the upper guide rail 6 and the lower guide rail 7. FIG. 4 is a sectional view taken along line IV-IV in FIG.

The upper guide rail 6 and the lower guide rail 7 are manufactured by extruding an aluminum alloy. In the upper guide rail 6, a positioning mechanism 10 for positioning and fixing the pallet 8 is arranged. Pallet 8
It is for holding and turning the ball game machine. Hereinafter, the structure of the pallet 8 will be described.

[0014] lower end of the pallet 8 pallets 8, L-shaped holding frame 11 is disposed. The upper shaft 12 of the holding frame 11 is integrally provided with a swing shaft 13 in the vertical direction. The bearing 1 is above and below the oscillating shaft 13.
4 and 15 rotatably support the moving frame 16. A lock lever 17 is arranged at one end of the upper spar 12. The locking lever 17 is for preventing the assembled ball game machine from going out of the pallet 8.

One end of an L-shaped member 18 constituting the locking lever 17 is attached swingably about a pin 20 provided on a bracket 19 fixed to the upper spar 12.
At the other end of the L-shaped member 18, two tapered rollers and a pressing roller 21 having a parallel roller disposed therebetween are rotatably provided. A cam follower 22 is rotatably provided on a shaft 23 at a corner of the L-shaped member 18. Both brackets 19 are provided with spring locking pins 24,24.

A tension coil spring 25 is interposed between both ends of the shaft 23 and the spring locking pins 24, 24.
The L-shaped member 18 acts in a direction in which the pressing roller 21 pushes the side surface of the ball game machine. A U-shaped holding bracket 26 is fixed to the lower surface of the upper girder 12 of the holding frame 11. A lining material 27 made of Teflon is provided inside the holding fitting 26.
Is attached. The lining material 27 is for preventing the ball game machine from being scratched when being held.

On the upper surface of the upper beam 12, two positioning cams 28 are fixed. The positioning cam 28 is attached to the holding frame 1.
1 to determine the turning angle position. Upper digit 12
, A dog 29 is fixed. The dog 29 is for restricting further rotation of the holding frame 11. On both side surfaces of the moving frame 16, bearings 31 are integrally protruded and arranged. The bearing 31 is provided with a vertical shaft 32 that is vertically movable via a bearing (not shown).

A bracket 33 is integrally fixed to the vertical shaft 32. At the lower end of the bracket 33, a cylindrical cam follower 34 is rotatably provided. A coil spring 35 is interposed between the bracket 33 and the bearing 31 via a fixing pin. Therefore, the cam follower 34
Are always urged downward, so that the positioning cam 28
When the cam follower 34 rides at the position (2), the cam follower 34 is positioned at this angular position.

A brush 36 is fixed at an intermediate position of the moving frame 16. The brush 36 is for supplying electricity required for testing the ball game machine held by the holding frame 11. The brush 36 comes into contact with the overhead wire inside the lower guide rail 6 and takes out necessary electricity. The traveling wheels 37 are rotatably provided at the upper four positions of the moving frame 16. The wheels 37 are for driving the pallet 8 on a running surface in the lower guide rail 7.

In addition, running wheels 42 are rotatably provided at four upper portions of the moving frame 16. Wheels 42
The pallet 8 is for traveling on a ceiling traveling surface in the upper guide rail 6. On the uppermost surface of the moving frame 16, two fixed cylinders 40 for fixing the pallet 8 to the upper guide rail 6 are fixed with nuts 41. Fixed cylinder 40
Is for positioning and clamping the pallet 8 by being held and fixed by a positioning mechanism 10 provided on the upper guide rail 7.

On the left and right sides of the lower guide rail 7, two sets of chains 45 for transferring the pallet 8 are extended. A friction plate 46 is provided integrally with the chain 45. A friction plate 43 made of a synthetic resin is in contact with the friction plate 46 by utilizing its elasticity. The friction plate 46 is attached to the moving frame 16. The chain 45 meshes with a sprocket, and the sprocket is constantly driven because it is driven to rotate by a motor (not shown). After all, the pallet 8 is moved in the lower guide rail 6.

Inside the lower guide rail 7, a plurality of overhead lines 4
7 are arranged in parallel. The overhead wire 47 is embedded and fixed integrally with the overhead wire fixing member 48. The overhead wire fixing member 48 is fixed inside the lower guide rail 7. Since the overhead wire 47 is connected to a power source, power is supplied to the pallet 8 via the overhead wire 47 and the brush 36. The supplied electric power is supplied to the ball-and-ball game machine through the electric power supply wiring.
May be provided.

The positioning mechanism 10 positioning mechanism 10 is for fixing the pallet 8 on the guide rail 6. FIG. 5 is a view of the positioning mechanism 10 of FIG. 4 as viewed from below. The positioning mechanism 10 includes a damper mechanism 10a and a clamp mechanism 10b. The damper mechanism 10a and the clamp mechanism 10b are operated only when the pallet 8 is positioned and fixed. When not operated, the damper mechanism 10a and the clamp mechanism 10b are retracted so as not to hinder the movement of the fixed cylinder 40. Hereinafter, details of this mechanism will be described.

The damper mechanism 10a absorbs the energy of the moved pallet 8 and stops it. The fixing plate 50 is fixed inside the upper guide rail 6 with bolts or the like. A guide member 51 is provided on the fixed plate 50.
a and 51 b are fixed by bolts 52. Guide surfaces 53a and 53b are formed on the guide members 51a and 51b, and a pallet 8 is provided between the guide surfaces 53a and 53b.
Is guided.

The swing members 5 are provided on the guide members 51a and 51b.
One end of 4 is swingably provided by a pin 55 (see FIG. 5). The other end of the swing member 54 is provided with a fluid friction type piston damper 56. The contact pin 56a protrudes from the tip of the piston damper 56, and the fixed cylinder 40 collides with the contact pin 56a to push the contact pin 56a into the piston damper 56 to absorb the speed energy of the pallet 8.

A long hole 57 is formed at the upper end of the swing member 54. A pin 58 is movably arranged in the elongated hole 57. Both ends of the pin 58 are rotatably attached to the lower end of the lever 59. The middle of the lever 59 is rotatably provided on the damper body 60 by the pin 61.
A spring locking pin 62 is fixed to the upper end of the lever 59. At both ends of the spring locking pin 62, a coil spring 6
One end of 3 is stopped.

The coil spring 63 includes a lever 59 and a pin 61.
The pin 58 is always arranged in a direction in which the pin 58 is urged toward one end (the left end in FIG. 4) of the elongated hole 57 in a direction of swinging about Therefore, the swing member 54 swings about the pin 55, and draws the contact pin 56 a in a direction away from the passage of the fixed cylinder 40. On the side surface of the lever 59, a solenoid 64 is fixed to the upper end of the bracket 65. When a current flows through the solenoid 64, the drive pin 66 is driven, and the tip of the drive pin 66 pushes the recess 59a of the lever 59 to swing the lever 59 about the pin 61. By this driving, the lever 59 swings around the pin 61 to be in the state shown in FIG.

On the other hand, at a distance from the damper mechanism 10a,
The clamp mechanism 10b is disposed on the damper body 69 fixed to the fixing plate 50. Clamp mechanism 10b
Is a fixed cylinder 40 held after collision with the damper mechanism 10a.
For fixing the other fixed cylinder 40. The flange 70 is integrally arranged on the fixing plate 50. One end of a lever 72 is arranged on the flange 70 so as to be swingable by a pin 71 (see FIG. 4).

The other end of the lever 72 is rotatably provided in a central hole of the clamp plate 74 via a pin 73.
An inclined surface 75 is formed at the tip of the clamp plate 74,
The pallet 8 is clamped by pressing the outer periphery of the fixed cylinder 40 with the inclined surface 75. The fixed cylinder 40 is mounted on the damper body 69.
A guide passage 76 for guiding the vehicle is formed. The guide passage 76 has a space between the guide surfaces 76a, 76a, and the guide surfaces 76a, 76a guide the fixed cylinder 40.

A piston 77 is provided at the rear end of the clamp plate 74.
Of the piston rod 78 is screwed. The tip of the piston 77 is fixed by a pin 79 provided on the fixing plate 50. The fixed plate 50 has 2
The sensors 80 and 81 are arranged, and the sensor 81 detects the fixed cylinder 40. That is, after the sensor 80 first detects the movement of the pallet 8, the damper mechanism 10a operates to stop the movement of the next fixed cylinder 40. Next, when the sensor 81 detects the fixed cylinder 40, the clamp mechanism 10b operates to fix the pallet 8.

The operator station for reversing unit 85 6 and 7, a worker stations inverting unit 85, FIG. 6 is cross-sectional view of the FIG. 7, FIG. 7 is a side view partially cut was 6 is there. Two U-shaped rails 86 are connected by a plurality of shafts 87. Two bearings 88 are inserted into the shaft 87. The bearings 88, 88 are for mounting the ball game machine W, rolling, and transferring. The rail 86 is fixed on a rail base 89. A cylindrical shaft 90 is integrally provided on the lower surface of the rail base 89. The cylindrical shaft 90 is provided on a base 91 via a bearing 92 so as to be swingable about a vertical axis.

At both ends of the base 91, bearing holding cylinders 93 are arranged so as to protrude integrally therewith. A vertical shaft 94 is vertically movably arranged in the bearing holding cylinder 93 via a bearing (not shown). A bracket 95 is integrally fixed to the vertical shaft 94. At the upper end of the bracket 95, a cylindrical cam follower 96 is rotatably provided. A coil spring 97 is interposed between the bracket 95 and the bearing holding cylinder 93 via a fixing pin. Therefore, since the cam follower 96 is constantly urged upward, when the cam follower 96 rides on the position of the positioning cam 98, the cam follower 96 is positioned at this angular position.

A stopper 99 made of a bolt is screwed on the upper surface of the base 91 so as to be adjustable in position. In order to collide with the stopper 99, the rail base 86
The dog 100 is fixed to the lower surface of the. Stopper 9
9 and the dog 100 collide to define the rotational angle position of the rail base 89.

Traverser 2 FIG. 8 is an enlarged plan view of the traverser 2 disposed at one end of the inspection line 1. FIG. 9 is a front view of FIG. FIG.
FIG. 3 is an enlarged view of a mechanism for sending out a pallet 8 in the direction of the going line 4. In the frame 106 of the traverser 2,
Two linear rails 107 are arranged and fixed in parallel. The linear rail 107 has a linear bearing 108
Are movably mounted, and the linear bearing 108 is fixed to a box-shaped traverse main body 109.

A rodless cylinder 110 is arranged and fixed above the frame 106. Traverse body 1
09, a driven member 111 is fixed, and the driven member 111 is driven by a rodless cylinder 110,
It moves on the linear rail 107. Traverse body 10
The four dogs 112 are arranged and fixed at both ends of the uppermost part of 9. On the other hand, at both ends of the frame 106, a shock absorber 113 and a stopper 114 are arranged facing the dog 112.

When the traverse body 109 moves to both ends of the frame 106, the dog 112 first collides with the shock absorber 113 to attenuate its energy, and then collides with the stopper 114 to move the traverse body 109 to a predetermined position. Stopped. At the upper end of the traverse main body 109, two more shock absorbers 115 are arranged.

At the center of the traverse main body 109, a swing drive shaft 116 of a swing cylinder 119 is arranged. The lower end of the swing drive shaft 116 is connected to the upper end of the joint 120. The joint 120 is rotatably supported on the frame 109 by a bearing 117 and arranged. Since the upper end of the swing shaft 13 of the pallet 8 is connected to the lower end of the joint 120, the pallet 8 is moved by the drive of the swing drive shaft 116.
It can be swung 80 degrees.

One end of a swing link 118 is fixed to the upper end of the swing drive shaft 116. After all, swing cylinder 1
Each time the swing link 118 is swung 180 degrees by the rotation drive of 19, the swing link 118 collides with the shock absorber 115 to reduce the impact. A pallet locking mechanism 121 is provided on the upper side surface of the traverse 109. Pallet locking mechanism 121
Is a mechanism for fixing the traverse body 109 so that the pallet 8 does not pop out when the pallet 8 traverses.

The cylinder 122 is provided on the traverse body 109 so as to be swingable, and the locking fitting 12 is connected to the piston rod of the cylinder 122 and is provided so as to be swingable.
Consists of three. The latch 123 engages with the fixed cylinder 40 to fix the pallet 8 to the traverse body 109. A motor 126 is arranged at a corner of the traverse main body 109. The motor 126 is a driving motor for pulling the pallet 8 from the return line 3 of the inspection line 1 and sending it to the going line 4.

The output shaft of the motor 126 has a pulley 127
And a drive pulley 128 is arranged via a gear. A friction belt extends around the outer periphery of the pulley 128 between the other pulleys, and the friction plate 43 (see FIG. 3) is in contact with the friction belt. A belt 129 is stretched between the pulley 127 and another pulley. This belt 1
The pulley 130 is driven to rotate by the driving of the drive 29. Similar to the driving pulley 130, a friction belt is stretched around and the outer periphery thereof is in contact with the friction plate 43.
Is driven by the friction belt.

11 and 12 show the carry-in side traverser driving and reversing unit 135. FIG. 11 is a partially cutaway front view and FIG.
FIG. 12 is a partially cut-away side view of FIG. 11. The loading-side traverser driving and reversing unit 135 is a unit for loading and unloading the ball and ball game machine from the previous process into the inspection line 1. Two U-shaped rails 136 are connected by a shaft 137. A friction roller 138 is inserted into the shaft 137. The friction roller 138 is for carrying the pallet 8 by rolling and rolling.

A sprocket 139 is provided integrally with the friction roller 138 so as to rotate integrally. The rail 136 is fixed on the rail base 140.
A cylindrical shaft 141 is integrally provided on the lower surface of the rail base 140. The cylindrical shaft 141 has a bearing 142 on the frame 106.
Through a vertical axis. One end of an output shaft 143a of a rack and pinion type rotary actuator 143 is connected to a lower end of the cylindrical shaft 143.

The swing lever 1 is provided at the lower end of the output shaft 143a.
One end of 44 is fixed. A shock absorber 145 is fixed below the rotary actuator 143. The other end of the swing lever 144 collides with one of the surfaces of the shock absorber 145 and stops. The rotary actuator 143 can invert the ball-and-ball game machine by 180 degrees.

The sprocket 139 of the friction roller 138 is connected to another sprocket 148 via a roller chain 147. The sprocket 148 is rotatably fixed to a shaft 149 on a rail base 140 via a bearing. The gear 150 is fixed to the shaft 149. The gear 150 is connected to the output shaft 152 of the geared motor 151 via a joint, a shaft, or the like, and the gear 153 meshes only when driven. The geared motor 151 and gear 153 are moved up and down by the guide cylinder 154. Eventually, the friction roller 138 is driven to rotate by the geared motor 153 and conveys the ball game board.

A stopper 155 made of a bolt is screwed into the frame 106 so as to be adjustable in position. A dog 156 is fixed to the lower surface of the rail base 140 so as to collide with the stopper 155. The stopper 155 and the dog 156 collide to define the rotation angle position of the rail base 140, that is, 180 degrees.

Operation of the First Embodiment An outline of the operation of the first embodiment will be briefly described below.
The empty pallet 8 is mounted on the traverse body 109 in the traverser 2 from the return line 3. Thereafter, the traverse main body 109 is moved to the carry-in position of the ball game machine W by driving the rodless cylinder 110. When the ball game machine is sent from the previous process, the ball game machine W is placed on the empty pallet 8.
Is mounted. At the time of mounting on the pallet 8, the L-shaped member 18 of the locking lever 17 is opened upward, so that there is no problem in carrying the ball game machine into the pallet 8.

When the loading of the ball game machine W into the pallet 8 is completed, the L-shaped member 18 is closed by the driving means (not shown) (the position shown in FIG. 4). The oscillating cylinder 119 on the traverse body 109 and the rotary actuator 141 of the carry-in traverser drive and reversing unit 135 (see FIG. 10) arranged in the sum section are simultaneously operated, and the pallet 8 and the ball game mounted on the pallet 8 are operated. Turn the machine 180 degrees. Driving the cylinder 122 to move the pallet 8 to the traverse body 1
Release the lock at 09. The motor 126 is started, and the pallet 8 is moved to the going line 4 side.

When the pallet 8 comes to the position of the work station, the fixed cylinder 40 collides with the contact pin 56a of the piston damper 56 of the damper mechanism 10a after the sensor 80 first detects the movement of the pallet 8. To stop the pallet 8 from moving. Next, the clamp mechanism 10b is operated, the piston 77 is operated, and the clamp plate 74 presses the other fixed cylinder 40 to fix the pallet 8.

The operator manually turns the ball game machine W and turns it 180 degrees. With this turning, the rail 86 of the operator station reversing unit 85 also turns by the bearing 92. The cam follower 96 is stopped at an angular position where it engages with the positioning cam 98. At this position, the ball game machine W is fixed, and the worker performs necessary work.

[Second Embodiment] The first embodiment is mainly an inspection line for mechanical parts of a ball game machine, but the second embodiment shown in FIGS. 13 and 14 is mainly a ball game machine. This is applied to the inspection line of the game board A constituting the above. 13 is a front view, and FIG. 14 is a rear view of FIG. The second embodiment has the same basic functions as the first embodiment, but the structure of the pallet on which the game board A is mounted is slightly different.

FIG. 15 is a sectional view of the pallet 160.
FIG. 16 is a side sectional view of FIG. The positioning mechanism 10 for the pallet 160 is the same as that shown in FIG. The pallet body 161 includes an L-shaped member 16.
2 is provided so as to be swingable about a shaft 163. A cam follower 164 is provided at one end of the L-shaped member 162. L
One end of a link 165 is rotatably connected to the other end of the character member 162, and the other end of the link 165 is further connected to one end of a vertical link 166.

The holding frame 168 for holding the game board A is rotatably supported on the pallet body 161 by bearings 169. A positioning cam 167 is provided on the top of the holding frame 168, and a cam follower 164 is provided on the positioning cam 167.
Is inserted and fixed. At both ends of the holding frame 168, shafts 170 are provided rotatably by bearings 171. Axis 170
Is fixed to one end of the locking plate 172. Axis 1
One end of a swing plate 173 is fixed to the other end of 70.
A cam follower 174 is provided at the other end of the swing plate 173.

A coil spring 175 is interposed between the swing plate 173 and the holding frame 168. Holding frame 168
Is provided with a component mounting table 175. Parts table 17
Reference numeral 5 denotes a temporary mounting table for temporarily mounting inspection components and the like during inspection. The reversing unit 85 for the operator station disposed below the pallet 160 has basically the same structure as that of the first embodiment, and the description is omitted.

[0054]

As described above, according to the present invention, electricity for inspection can be supplied from any position to a ball game machine held on a moving pallet. In addition, the pallet is clamped after absorbing the kinetic energy of the pallet, so that the pallet can be transported and stopped at an accurate position.

[Brief description of the drawings]

FIG. 1 is a front view of an inspection line of a ball game machine.

FIG. 2 is a plan view of FIG. 1;

FIG. 3 is a sectional view of an upper guide rail 6 and a lower guide rail 7.

FIG. 4 is a cross-sectional view when FIG. 3 is cut along the line IV-IV.

FIG. 5 is a view of the positioning mechanism 10 when FIG. 4 is cut along the line V-V.

FIG. 6 is a reversing unit 8 for a worker station;
5 is a cross-sectional view when FIG. 7 is cut along the line VII-VII.

FIG. 7 is a partially cut-away side view of FIG. 6;

FIG. 8 is an enlarged plan view of a traverser arranged at one end of an inspection line.

FIG. 9 is a front view of FIG. 8;

FIG. 10 is an enlarged view of a drive mechanism for loading and unloading a pallet from a traverser.

FIG. 11 is a front view of the loading-side traverser driving and reversing unit 135, which is partially cut away.

FIG. 12 is a side view partially cut from FIG. 11;

FIG. 13 is a front view of an inspection line of the game board according to the second embodiment.

FIG. 14 is a rear view of FIG. 13;

FIG. 15 is a sectional view of a pallet according to a second embodiment.

FIG. 16 is a side sectional view of FIG. 15;

[Explanation of symbols]

 Reference Signs List 1 inspection line 2 traverser 3 return line 6 upper guide rail 7 lower guide rail 8 pallet 10 positioning mechanism 10a damper mechanism 10b clamp mechanism 11 holding frame 17 locking lever 18 L-shaped member 34: Cam follower 36: Brush 40: Fixed cylinder 47: Overhead wire 48: Overhead wire fixing member 85: Reversing unit for operator station 135: Carrying side traverser drive and reversing unit

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Claims (2)

(57) [Claims] 1. A pallet that holds an inspection object and is pivotable about a vertical axis, a transport line for transporting the pallet by a guide rail, and a clamp that stops the pallet at a work position of the transport line. Positioning and fixing means, power supply means for supplying power by an overhead wire arranged along the guide rail, and a power supply means provided on the pallet, for engaging with the power supply means and supplying power to the inspection object. An inspection line for a ball game machine including electric engagement means , wherein the guide rail is disposed above the inspection line,
It consists of a two-stage guide rail, and one of the guide rails
The positioning and fixing means for positioning the pallet;
And the other guide rail is used to transfer the pallet.
Patent that because of the transfer means, and the overhead line is located
Inspection line of a pinball game machine and butterflies. 2. The ball game according to claim 1, wherein said positioning and fixing means comprises: damper means for absorbing kinetic energy of said pallet; and clamp means for clamping said pallet. Machine inspection line.