JP2756404B2 - Tire balance weight mounting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for mounting a balance weight on a tire which can securely and smoothly mount a balance weight at a predetermined position on a workpiece without requiring precise positioning.

[0002]

2. Description of the Related Art Conventionally, as an apparatus for automatically attaching a balance weight corresponding to the amount of unbalance of a tire to a wheel rim, for example, Japanese Patent Application Laid-Open No. 4-193601 discloses a tire receiver for restraining a tire to determine an unbalance position. A table is provided, tilted at a predetermined angle, positioned near the weight driving hand, gripping a predetermined balance weight with a grip claw, positioning the weight at a predetermined position on the wheel rim, floating the grip claw, After absorbing the error in the relative position between the balance weight and the wheel rim, an air hammer is used to press the clip into the wheel rim.

[0003]

However, in this device, when the balance weight is mounted on both sides of the tire, it is necessary to set the inclination of the tire receiving stand each time, which is troublesome, and at that time, the mounting is performed by clamping and unclamping the tire. There is a possibility that the reference of the position becomes unclear, and the mounting accuracy of the balance weight is reduced. In addition, when press-fitting the balance weight, precise positioning is required for the wheel rim, and the cycle time from this positioning to the end of press-fitting is long, and depending on the dimensional error of the wheel, the balance weight may be flipped during driving. However, there have been problems such as difficulty in press fitting.

[0004] The present invention solves such a problem and eliminates the need for precise positioning, and allows the stepping to be performed at a predetermined position on the workpiece.
With mounted securely and smoothly Le and balance weight of aluminum wheel, compa installation space
Design, simplification of configuration, and reduction of the number of parts.
It is an object of the present invention to provide a tire balance weight mounting device that can be easily manufactured .

[0005]

According to the first aspect of the present invention, there is provided:
Ming, can be conveyed and the weight storage containing the various balance weight depending on the size of the workpiece, the workpiece
Work transfer path and balance way to be attached to the work
Pickup that can be gripped and delivered to the weight feeder.
Device along the moving direction of the workpiece transfer path.
Balance received from the weight feeder
Can be mounted at unbalanced positions on both sides of the work
And a first and second driving device.
In a tire balance weight mounting device in which the second driving device is disposed at an upper and lower position of a work transfer path , a weight strike device is provided.
The storage device is disposed on one side of the work transfer path, and
One side between the second driving device and the weight storage
Direction to place the distribution cylinder, pick the distribution cylinder
When the balance weight can be delivered from the up device
In both cases, the balance weight is
Can be supplied to the weight supply unit on the same side of the first and second driving devices
Capacity, compact installation space and simplified configuration,
And the number of parts can be reduced, which can be easily manufactured
Like that . The invention of claim 2 is characterized in that the first driving device and the first driving device
Each of the two driving devices has a balun for steel wheels
Weight driving device and rose for aluminum wheel
And a weight driving device.
Set the position to the same position and balance the various balance weights.
So that it can be mounted in various ways. The invention of claim 3 is
The weight storage can be
Steel weights to store balance weights for steel
Storage and balance wheels for aluminum wheels of various sizes
Consists of aluminum weight storage for storing weight
And various sizes of steel wheels and aluminum wheels
The balance weight on the
doing. The invention according to claim 4 is characterized in that the first driving device and the second driving device
Insert steel and aluminum
A temporary table that can separately store balance weights for eel
Steel wheels and aluminum wheels for each driving device.
Supply balance weight to eel smoothly
Like that.

[0006]

According to the first aspect of the present invention, the weight storage
This type of equipment is placed on one side of the
To reduce the installation space . In addition, the first and the second
And one side between the second driving device and the weight storage
Distribute cylinders are arranged facing each other, and
The balance weight from the backup device
At the same time, the balance weight is
Supply to the same side weight supply unit of the first and second driving devices
Possible, simplifying the configuration and reducing the number of parts.
Can be easily manufactured . The invention of claim 2
Will be installed in each of the first driving device and the second driving device.
And a balance weight driving device for aluminum wheels
And a balance weight driving device for Umm wheels
By setting the driving positions of these driving devices at the same position,
The balance weight can be attached uniformly. Claim 3
Akira said that the weight storage could be
Steel weight for storing balance weights for wheel
Light storage and roses for aluminum wheels of various sizes
With aluminum weight storage
Steel wheels and aluminum wheels of various sizes
Depending on the balance weight attached to the eel.
The invention according to claim 4 is characterized in that the first driving device and the second driving device
Weight and steel wheel
Provision of a temporary storage table that can accommodate lance weights separately
For steel wheels and aluminum wheels of driving equipment
Supply smooth balance weights.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In FIGS. 1 to 19, reference numeral 1 denotes a weight storage installed on a base 2, which includes a steel weight storage 1a and an aluminum weight storage 1b. Consisting of
These store balance weights 4 of various sizes for steel and aluminum wheels 3. In the embodiment, a cartridge type storage is adopted as the weight storage, in which a large number of cartridges are juxtaposed, and a large number of balance weights 4 are accommodated by vertically stacking them, and one of them is placed at the bottom of the cartridge. It is possible to take out.

At a position close to the weight storage 1, a pickup device 6 having a pair of take-out hands 5 is arranged. The pickup device 6 can be moved along the storage 1 and has a predetermined function based on an input signal. It moves to the cartridge position, holds the balance weight 4 for attaching the upper surface and the lower surface necessary for one work W, and can return to the center of both storages 1a and 1b as its original position.

The pickup device 6 is provided with a rotary actuator 7 at its base end, and turns 180 ° after returning to its original position so that the pair of balance weights 4 can be placed at a predetermined position on the distribution table 8. The distribution table 8 holds the balance weight 4 via a suitable clamp means, and can be delivered to a pair of distribution cylinders 9 standing immediately above.

The distributing cylinders 9, 9 are provided with a pair of gripping hands 10, 10, which grip the opposite ends of the clip 11 of the balance weight 4 and apply the gripping work to the workpiece W, that is, the tire 3 on the wheel 3. Can be distributed to the upper surface and the lower surface of the assembly on which is mounted. That is, the distribution cylinder 9 is the rodless cylinder 1
2 movable part, which is movable obliquely upward or downward along the guide rod 13, and whose upper and lower ends are separated from the distribution cylinders 9, 9 by the upper and lower weight supply devices. It can be delivered to 14 and 15.

Upper and lower weight supply devices 14, 1
Reference numeral 5 denotes a rodless cylinder (not shown) which is moved in a direction orthogonal to the moving direction of the pickup device 6 so as to be able to move close to and away from the work W. When the balance weight 4 is received from the distribution cylinder 9, the work 5 It is located immediately below the distribution cylinder 9 away from the W, and after receiving, approaches the peripheral surface of the work W and waits for the operation of a weight driving device described later.

Upper and lower weight supply devices 14, 1
5 is provided with temporary stands 16, 17 capable of separately storing balance weights 4 for steel and aluminum wheels, which are linked to adjusting cylinders 18, 19 as shown in FIG. It can be moved for each type. In the embodiment, the balance weights 4 for steel wheels are accommodated at the distal ends of the temporary tables 16 and 17.

The lower temporary table 17 is a rotary cylinder 20.
The cylinder 20 is rotatable by 180 ° in the circumferential direction, so that the balance weight 4 for driving the upper surface of the work and the vertical position can be inverted. In the figure, 2
Stop links 1 and 22 prevent the balance weight 4 on the temporary tables 16 and 17 from falling.

A work transfer path 23 is arranged on the side of the weight storage 1 in the same direction as the moving direction of the pickup device 6, and a tire unbalance amount measuring device (not shown) is arranged on the upstream side thereof, and on the downstream side thereof. A balance weight mounting device 24 is disposed on the side. In the case of the embodiment, after measuring the unbalance amount, the tire unbalance amount measuring device matches the unbalance position on the lower surface of the work with the driving position of the first driving device 28, and unloads the work W to the work transfer path 23. ing.

The balance weight mounting device 24 is framed by arranging a plurality of machine frames 25 vertically and horizontally, and a roller conveyor 26 is provided in the inside thereof in the same direction as the work transfer path 23.
A work transfer device 27 is provided along the conveying direction of the conveyor 26.
The lower surface driving device, which is the first driving device 28, is provided below the intermediate position, and the upper surface driving device, which is the second driving device 29, is disposed downstream of the lower surface driving device.

The roller conveyor 26 communicates with the work transfer path 23 on the upstream side, and the work W
Is placed, and can be transported in the direction of the arrow. Outside the roller conveyor 26, a pair of guide rails 30, 30 are arranged along the transport direction, and slide guides 31, 31 are slidably fitted to these.

Two sets of clamp cylinders 3 are provided above the slide guides 31 via spacers 32.
And a pair of sub-cylinders 35, 34 having a braking function on both sides of the cylinders 33, 34.
36 are arranged, and the holder plates 37 and 38 are connected to the tips of the piston rods.

On the inner surfaces of the holder plates 37 and 38,
A pair of clampers 39 and 40 forming a substantially V-shaped contact surface
Are attached, and the work W can be held between the opposing inner surfaces.

The base ends of the stop arms 41, 41 are rotatably connected to the downstream ends of the spacers 32, 32, and a swing arm 43 projects outward from a pivot 42 thereof.
The piston rod 4 of the stop cylinder 44 is
5 are connected so that the inner ends of the arms 41, 41 can protrude and retract on the conveying surface of the roller conveyor 26.

Outside the one guide rail 30, a delivery cylinder 46 having a braking function is arranged in parallel.
A bracket 48 is connected to the distal end of the piston rod 47, and its base end is fixed to the spacer 32.
3, 34 and the clampers 39, 40 can be moved together. In the drawing, reference numeral 49 denotes a stopper provided at the downstream end of the guide rail 30 and is disposed so as to be able to contact the bracket 48.
Reference numerals 113, 113 denote racks fixed inside the spacers 32, 32. Pinions 115, 115 fixed to both ends of the shaft 114 are meshed with these racks so that the slide guides 31, 31 can be moved. .

A work receiving cylinder 50 and a lower surface setting cylinder 51 are attached to a machine frame 25 located above the work transfer device 27 and spaced downward from each other. Conical center cones 54 and 55 are attached, and are inserted into hub holes D formed in the wheel disc 3a to enable the work W to be centered.

In the drawing, reference numeral 56 denotes a cylinder disposed adjacent to the lower surface setting cylinder 51, and a pressing piece 57 which can be engaged with the upper surface of the work W is connected to the tip of the piston rod. Set cylinder 5 with function
8, the position of which is adjustable according to the work size.

In the middle of the roller conveyor 26, there is provided an empty space 59 in which no rollers are arranged.
9, a work table 60 is disposed so as to be able to appear and disappear.
That is, the work table 60 can be moved up and down by the lift cylinder 61.
6 and the clamper 39
The work W can be transferred to the work stoppers 62 and 63 at the same height as the lower surface driving device 28 when the work W is lowered.

The lower surface driving device 28 includes a substrate 64 horizontally laid at a middle and high position of the machine frame 25, and a pair of rails 65 are installed on the plate 64 in a direction perpendicular to the conveying direction of the roller conveyor 26. Multiple guide blocks 6 at 65
6, 67 are slidably fitted.

On the guide block 66, a plurality of frames 69 constituting a driving table 68 are erected, and a projecting piece 70 is integrally mounted inside the table 68, and a ball screw shaft is mounted on the piece 70. 71 is screwed. Ball screw shaft 7
1 is rotatably supported on a substrate 64, one end of which is linked to a drive motor 72 mounted on the substrate 64. The drive motor 72 is driven based on input information from an unbalance amount measuring device. The table 68 can be moved a predetermined distance.

On the driving table 68, a driving device 73 for steel and a driving device 74 for aluminum are arranged obliquely upward in the same direction as the moving direction thereof. Set to position. Among these, the steel driving device 73 includes the brackets 7 arranged on both sides of the driving table 68.
Driving cylinder 7 set at a predetermined driving angle
6.

A base plate 78 projects from the tip of a piston rod 77 of the driving cylinder 76, and a slide guide 79 is mounted on a side of the base plate 78, which is slidably fitted on a guide rail 80. A guide plate 81 is provided on the lower surface of the distal end portion of the substrate 78, and a press-fit cylinder 82 is provided on the lower surface of the plate 78. A driving block 84 constituting a driving head is connected to the piston rod 83. ing.

The driving block 84 is slidably disposed along the guide plate 81, and has an engagement surface 84a of a concave curved surface, which is a first engagement portion, formed at the tip thereof.
The clip 11 can be engaged with the curved portion. The distal end portion of the guide plate 81 is formed in a tapered shape to form a second engagement portion. The engagement portion is disposed close to the same position as the engagement surface 84a. The balance weight 3 can be engaged.

A correction cylinder 85 is provided on the upper surface of the substrate 78, and a pair of substantially rectangular links 87 are connected to its piston rod 86. The other end of the link 87 can protrude and retract from the tip of the guide plate 81. Are located in

L-shaped links 88, 88 are connected between the distal ends of the links 87, 87, and a rod 89, which is an engaging member, is connected between them, and is connected to the end face of the balance weight 3. Is possible.

A pick-off cylinder 90 is provided immediately below the press-fitting cylinder 82. One end of a swing link 92 is rotatably connected to an end of a piston rod 91 via a pin 93, and its close position is different. Are rotatably connected to support pieces 95, 95 integral with the driving block 84 via pins 94.

At the tip of the swing link 92, a clip 11
Insert pin 9 that can be inserted into a through hole (not shown) provided in
6 is protruded, and the pointed end of the pin 96 is disposed so as to be able to turn the tip end of the driving block 84 in the vertical direction. Therefore, the balance weight 3 has an insert pin 96 inserted into a through hole (not shown) of the clip 11, the engagement surface 84 a is applied to the curved portion of the clip 11, and the balance weight 3 on the base side of the clip 11. , The tip of the guide plate 81 is pressed, and stable handling is enabled by the three-point support.

On the other hand, the aluminum driving device 74 has a head cylinder 113 disposed obliquely upward, and its base is provided so as to be able to move up and down by an air cylinder 97. A gripping hand 98 is provided. An engagement groove (not shown) that can be fitted to the side end of the clip 11 is formed on the inner surface of the distal end portion of the gripping hands 98, 98, and a cylindrical punch made of an air cylinder is formed between the hands 98, 98. Mounting head 99 is provided so as to be able to move up and down.

The work stoppers 62 are erected on both sides of the driving head 99, and the work stoppers 6
3 and 63 are erected on the guide blocks 67 and 67. The upper ends of the work stoppers 62 and 63 are arranged at the same height, and the lower end surface of the wheel 3 can be placed on these upper ends. I have.

One of the guide blocks 67 has an overhang 10
0 protrudes laterally, and the piece 100 has an adjusting cylinder 101
Piston rod 102 is connected to the cylinder 101
Is operated according to the size information of the work W, and the distance between the work stoppers 62 and 63 can be adjusted.

At the tip of the guide plate 81, a reflection type photoelectric sensor 103 is embedded, and the signal cable 1 is provided.
Reference numeral 04 is wired outside, and its optical axis is directed to the outside of the plate 81. The presence or absence of light blocking by the balance weight 4 is detected, and the handling of the balance weight 4 can be monitored. And the photoelectric sensor 10
In the case of a handling failure in which the balance weight 3 does not detect the balance weight 4, for example, the operation of the subsequent steps is stopped, the balance weight 4 accommodated in the temporary placement tables 16, 17 is discarded, and the predetermined balance weight 4 is determined based on new information. Handling can be resumed. In this case, the presence or absence of light blocking by the clip 11 may be detected instead of the balance weight 4.

At the upper ends of the work stoppers 62, 62,
As shown in FIGS. 10 and 15, the transmitting / receiving section of the photoelectric sensor 105 is buried oppositely, and the buried position is from the upper surfaces of the work stoppers 62, 62, that is, from the end of the wheel 3.
It is set to the specified driving position of the clip 11,
The driving status of the balance weight 4 can be monitored. In the case where the photoelectric sensor 105 has a driving failure for detecting the clip 11, for example, an alarm is activated,
It prompts the operator to make corrections.

Instead of the driving condition monitoring means, the transmitting / receiving section of the photoelectric sensor 106 is disposed in front of the driving block 84 as shown in FIGS. 12 and 13, and their optical axes are positioned in front of the engaging surface 84a. May be set to the specified position, and monitoring may be performed based on the presence or absence of light blocking by the clip 11.

On the other hand, the upper surface driving device 29 is
8 is disposed above the roller conveyor 26 downstream of
This is substantially the same as the lower surface driving device 28 except for an indexing motor 107 to be described later, and is installed upside down with respect to the lower surface driving device 28. In addition,
The components corresponding to the lower surface driving device 28 are denoted by the same reference numerals with "a" at the end, and the description thereof is omitted. Although not shown, a photoelectric sensor 103a, 105a or 106a is provided at a position similar to that of the lower surface driving device 28.

The indexing motor 107 is installed on the machine frame 25 above the upper surface driving device 29, and a bracket 108 is connected to an output shaft arranged downward, and the lower end of the bracket 108 is connected to the substrate 64a. The upper surface driving device 29 is rotatably suspended. The unbalance information on the upper surface of the work, that is, information on the mounting position of the balance weight 4 is input to the indexing motor 107, and the mounting position is rotated based on the information to determine the mounting position. 73a and 74a are set on the driving position.

The roller conveyor 26 immediately below the upper surface driving device 29 is provided with a substantially Y-shaped notch 109 from which a roller space has been cut, and the substantially Y-shaped lifting table 110 is vertically moved in the notch 109. It is arranged as possible. The lifting table 110 includes a lift cylinder 111 and a plurality of guide rods 112.
The work W is lifted when the work W is transferred onto the table 110 to move the work W to the work stoppers 62a, 62a.
3a is pressed against the lower surface and its conical outer peripheral surface is shown in FIG.
6, the workpiece W is engaged with the inner surface of the wheel 3 so that the work W can be centered horizontally and at the center of the upper surface driving device 29.

In the balance weight mounting device thus configured, the lower surface driving device 28 and the upper surface driving device 29 are substantially identical except for the index motor 107.
Most of these parts can be shared, and both devices 28, 29
Can be manufactured rationally and inexpensively, and since these are arranged above and below the roller conveyor 26, the installation space can be made more compact as compared with those using a commercially available robot mechanism.

Next, when the balance weight 4 is mounted at a predetermined position of the work W using the apparatus of the present invention, the unbalance amount of both sides of the work W of various sizes in which the tire T is mounted on the various wheels 3, that is, the upper and lower surfaces, is determined. The weight and position information of the balance weights 4 attached to the upper and lower surfaces of the wheel are measured by an unbalance amount measuring device (not shown), and the wheel size, that is, the rim diameter and the rim width, and the material of the wheel 3, that is, the steel or aluminum Along with the information, the pickup device 6, the set cylinder 58, and the drive motor 7
2, 72a, the adjusting cylinders 101, 101a, and the indexing motor 107, and the measured work W is placed at a predetermined position on the work transfer path 23.

When the information is input to the pickup device 6, the device 6 moves to a cartridge position containing a predetermined balance weight 4 based on the input information, and moves to a position required for one work W. The balance weight 4 for mounting on the upper surface and the lower surface is gripped by a pair of take-out hands 5,
It moves to the center of the two storages 1a and 1b, which are its original positions, and then turns 180 ° to place a pair of balance weights 4 at a predetermined position on the distribution table 8.

The distributing table 8 is connected via a suitable clamping means.
The balance weight 4 is held, and is transferred to a pair of distribution cylinders 9 that are waiting immediately above. The distribution cylinders 9, 9
The two ends of the clip 11 are gripped by the pair of gripping hands 10, 10, and in this state, they are moved obliquely upward or downward along the guide rods 13, 13 via the rodless cylinders 12, 12, and balanced at the upper and lower ends. Weight 4
Is transferred from the distribution cylinders 9, 9 to the upper and lower weight supply devices 14, 15, and is conveyed to the upper and lower surfaces of the work W.

Upper and lower weight supply devices 14, 1
When receiving the balance weight 4 from the distribution cylinder 9, the balance weight 4 moves to the side of the roller conveyor 26 and is located immediately below the cylinder 9. 17 and, after receiving, return to just above the side end of the roller conveyor 26 and wait for the operation of the weight driving devices 28 and 29.
Of these, the lower temporary table 17 is rotated by 180 ° in the circumferential direction of the cylinder 20 by the rotary cylinder 20 to position the balance weight 4 for driving the upper surface upside down and the vertical position. FIG. 7 shows the situation before the reversal.

In such a situation, when the drive motors 102, 102a of the upper and lower driving devices 28, 29 are driven, the ball screw shafts 71, 71a rotate, and the protrusions screwed with the shafts 71, 71a. The piece 70, 70a is pulled, and the driving table 68, 68a integrated therewith moves in the direction of the temporary placing table 16, 17 and stops when it moves immediately below or directly above it.

After that, depending on the type of the wheel 3, the steel or aluminum driving devices 73, 74 of the upper and lower driving devices 28, 29 are operated, and the temporary placing table 16,
17 balance weights 4 are delivered. For example, after the driving table 68 stops immediately below the temporary placing table 16, the driving table 73 drives the driving cylinder 76 to extend to operate the guide plate 81, the driving block 84, and the oscillating link 92.
The balance weight 4 in the temporary table 16 is approached. Next, the press-fit cylinder 82 is extended to operate the guide plate 8.
1 is the balance weight 4 on the base side of the clip 11
And the engaging surface 84 a of the driving block 84 is engaged with the curved portion of the clip 11.

Then, before or after these operations, the pick-off cylinder 90 is extended, the swing link 92 is turned upward, and the insert pin 96 is inserted into the through hole (not shown) of the clip 11, and the balance weight is removed. 4 is formed. This situation is monitored by the photoelectric sensor 103. When the photoelectric sensor 103 detects the reflected light by the balance weight 4, the handling “suitable” is confirmed, the driving cylinder 102 contracts, and the driving motor 102 rotates in the reverse direction. Thus, the driving table 68 returns to the original position while holding the balance weight 4.

For example, after the driving table 68 stops immediately below the temporary mounting table 16,
7 is extended to approach the balance weight 4 in the temporary table 16, after which the head cylinder 113 is extended and the gripping hands 98, 98 at the tips hold both ends of the clip 11.

The gripping hands 98, 98 or the driving head 7
4 is also provided with the above-described handling monitoring means (not shown), and when the handling is confirmed to be "suitable", the driving head 74 and the air thinner 97 are contracted, and the drive motor 102 is driven in reverse. Then, the driving table 68 returns to the original position while holding the balance weight 4. Such a delivery operation of the balance weight 4 is similarly performed in the upper surface driving device 29 at the same time.

On the other hand, when the above information is input to the set cylinder 58, the piston rod expands and contracts based on the information, and the pressing piece 57 is moved from the center cone 55 which is the center of the work W by a predetermined distance to the pressing position. Go to

When the information is input to the drive motors 72, 72a, the motors 72, 72a are driven, and the driving tables 68, 68a are moved as described above, and the balance weight 4 is held. Steel driving devices 73, 73
a, or the aluminum driving device 74, 74a moves in the radial direction according to the mounting position of the weight 4.

Further, when the information is input to the adjusting cylinders 101, 101a, the piston rods 102, 102a are expanded and contracted and displaced based on the information, and the projecting pieces 100, 100a connected to the ends thereof move together. , Slide guide 6
The work stoppers 63, 63a protruding from the 7, 67a move to adjust the facing distance between the work stoppers 62, 62a.

Under these circumstances, the work W is transferred from the upstream of the work transfer path 23 to the roller conveyor 26,
When moved between the clampers 39, 39, this is detected by a position sensor (not shown), the work receiving cylinder 50 is extended downward, the center cone 54 is engaged with the hub hole D, and the work W is centered. I do. Further, before and after this, the clamp cylinder 33 and the sub-cylinder 35 extend and operate, and their clampers 39 and 39 protrude into the transport area of the roller conveyor 26 to clamp the work W from both sides.

In this case, since the clamper 39.39 has a V-shaped contact surface, the work W is firmly held by its wedge effect, and the position or phase shift of the work W during transport is prevented. Since these move toward and away from each other in the direction orthogonal to the direction of transport of the workpiece W, the space occupied by the clamper operation can be reduced as compared with the conventional clamper rotating in the transport area, and the work transport path can be made more compact. . Thus, when the work W is clamped, the work receiving cylinder 50 contracts, the center cone 54 is pulled out from the hub hole D, and the transfer cylinder 46 expands instead, connecting the piston rod 47 and the tip thereof. Is displaced integrally with the bracket 48.

For this reason, one of the slide guides 31 slides on the guide rail 30 via the spacer 32 connected to the bracket 48, and the clamp cylinders 33 and 34 provided on the spacer 32 on the same side. The clampers 39 and 40 provided at the distal end move integrally, and transmit the moving force to the other spacer 32 via the rack 113 and the pinion 115 constituting the synchronization mechanism.

For this reason, the other slide guide 31
The clamp cylinders 33 and 34 provided on the spacer 32 on the same side slide on the guide rail 30 in synchronization with the slide guide 31, and the clampers 3 provided on the tips thereof.
9 and 40 move integrally, and the work W between the clampers 39 and 39 moves to the empty space 59 immediately above the lower surface driving device 28 while maintaining the original clamping posture, and the work table located in the space 59 60.

This situation is detected by a position sensor (not shown), the lower set cylinder 51 and the cylinder 56 extend, the center cone 55 descends and engages with the hub hole D, and the pressing piece 57 descends. And set cylinder 5
In step 8, the upper surface of the work W set in advance is pressed.

Thereafter, the clamp cylinder 33 and the sub-cylinder 35 are contracted and the clampers 39 and 39 are separated from the work W, while the lift cylinder 61 is contracted and the work table 60 is lowered. The upper work W is transferred from the work table 60 to the work stopper 6.
Transfer to the upper end of 2,63. This situation is shown in FIGS. 8 and 9, in which the lower surface of the work W is
3 is supported at four points, the upper surface of which is the center cone 55
And the pressing piece 57.

Under these circumstances, the driving devices 73 and 73a for steel or the driving devices 74 and 74a for aluminum are operated, and the balance weight 4 during handling is attached to the work W. For example, the driving device 73 for steel causes the driving cylinder 76 to extend to operate the balance weight 4 during handling close to the workpiece W, and when this engages with the predetermined position of the wheel rim, the pick-off cylinder 90 is contracted. Then, the insert pin 96 is pulled out from the hole.

Then, before and after the contraction operation of the pick-off cylinder 90, the correction cylinder 85 is extended, the links 87, 87 are made to approach the work W, and the rod 89 provided at the tip thereof is engaged with the balance weight 4. . By doing so, the back portion of the balance weight 4 is pressed by the rod 89 and the guide plate 81, and the back portion of the clip 11 is pressed by the engagement surface 84a to be pressed against the wheel rim. Familiar and close contact allows some dimensional errors in the part.

When the press-fit cylinder 82 is extended in such a situation, the driving block 84 moves along the guide plate 81, and presses the engaging surface 84 a at the tip thereof against the curved portion of the clip 11. Moving forward, clip 1
1 is pushed into the end of the wheel rim, which is further pushed into the wheel rim.

At this time, the balance weight 4 is
Even under the engagement between the wheel 3 and the engagement surface 84a, a slight movement between them and the wheel 3 is allowed. Therefore,
The balance weight 4 is slightly rotated clockwise in FIG. 13 with the advance of the driving block 84, in other words, the clip 11 is moved along the shape of the wheel rim, and the press-fitting of the clip 11 is performed. It facilitates smoothing and allows some dimensional errors in the wheel rim.

On the other hand, for example, the driving device 74 for aluminum causes the air cylinder 97 to extend to cause the balance weight 4 being handled to approach the work W side, and is pressed against a predetermined position of the wheel rim. The driving head 99 is extended. The driving head 99 engages with the lower surface of the clip 11 when it is raised, presses the opening of the clip 11 against the wheel rim, and simultaneously holds the gripping hands 98,
Unclamp 98 and release clip 11.

Under such circumstances, the air pressure of the driving head 99 is switched to a high pressure, and the clip 11 is strongly pushed to press the wheel 11 into the wheel rim.

As described above, according to the present invention, the position of the balance weight 4 is fixed on the moving range of the driving devices 73 and 74 for steel or aluminum, that is, the position of the unbalun is adjusted so that the work W is on standby. The various cylinders 76, 83, 97, and 113 can be used to input various information, for example, wheel rim diameters and widths, depending on the size of W, and the cylinders 76, 83, 97, and 113 can be simply extended. Therefore, the sequence control becomes easy, and an accurate control operation can be obtained.

The present invention also relates to various cylinders 76, 83,
Since the balance weight 4 is press-fitted relatively slowly by using the 97 and 113, the press-fitting can be performed smoothly and with high precision in response to the change in the shape of the wheel rim, and compared with the conventional hitting method. As a result, the load on the clip 11 can be reduced, so that damage to the paint of the clip 11 and excessive press-fitting can be prevented, and the working environment can be prevented from deteriorating due to the impact sound.

On the other hand, the driving status of each clip 11 is monitored by the photoelectric sensor 105, and the quality of the driving status is monitored based on whether or not the clip 11 blocks light.
For example, when the driving is insufficient, the clip 11 blocks the detection light, the photoelectric sensor 105 detects the light, activates an alarm (not shown), and notifies the operator of the correction. Shifts to the next operation, and returns the cylinders 74, 76, 83, 97 to their original positions.

Thereafter, the lift cylinder 61 is extended, the work table 60 is raised, the lower surface set cylinder 51 is switched to the brake operation, and the engagement action by the center cone 55 is continued, while the cylinder 56 is contracted. Then, the pressing piece 57 is returned to the original position.

When the work table 60 is lifted, the work W is transferred from the work stoppers 62 and 63, moves while holding the work W by the center cone 55, returns to the original position, and transfers the work W to the delivery device 27. On the transport area of This situation is detected by a position sensor (not shown), the clamp cylinders 34, 34 are extended, and both sides of the work W are held by the clampers 40, 40. Therefore, the work W maintains the condition after the balance weight 4 is attached to the lower surface, in other words, the phase before the balance weight 4 is attached, and holds the driving reference in the next upper surface driving step.

Thereafter, the lower set cylinder 51 is contracted, the center cone 55 is pulled out from the hub hole D, rises, and returns to the original position.
Extends, the clampers 40, 40 move integrally as described above, and the work W held therebetween is positioned immediately below the upper surface driving device 29, that is, on the lifting table 110.

After the transfer of the work W, the clamp cylinders 34, 34 are contracted, the clampers 40, 40 are retracted to release the work W, and the lifting cylinder 111 is extended instead. , 40, and the wheel rim is lifted up.
a, 63a, stops.

The work stoppers 62a and 63a have their facing distances already adjusted according to the work size as described above, and the indexing motor 107 is also provided with the balance weight on the upper surface from the unbalance amount measuring device as described above. The motor 107 is driven based on the information, and the upper surface driving device 29 is rotated by a predetermined angle, so that the steel or aluminum driving device 73 is driven.
The positions of a and 74a are matched with the mounting position of the balance weight 4 and positioned.

In this way, the work W is moved up and down
When the balance weight 4 is being handled, the balance weight 4 during handling is attached to a predetermined position of the workpiece W from the driving heads 73a and 74a. This mounting operation is performed by the lower surface driving device 28 described above.
Is carried out in substantially the same manner as described above.
The work W is transferred from the elevating table 110 to the roller conveyor 26 and transported to the next process.

[0076]

According to the first aspect of the present invention, a weight storage is provided.
Was placed on one side of the work transfer path, so it was placed on both sides.
This type of equipment is smaller and its installation
The size of the source can be reduced. In addition, the
One side between the first and second driving devices has the weight strainer.
A distributing cylinder is arranged facing the page, and the distributing cylinder is
Balance weight can be delivered from pickup device
At the same time, and the balance
Weight supply unit on the same side of the first and second driving devices
The balance weight delivery mechanism
It is simpler and can reduce the number of parts.
It can be easily manufactured . The invention of claim 2 is the first invention
Each of the driving device and the second driving device has a steel wheel
Balance weight driving device and aluminum
A balance weight driving device for eel is installed.
Since the driving position of the insertion device was set to the same position,
The weight can be attached uniformly. Claim 3
In the invention of the present application, the weight storage is stored in various sizes.
Steel for storing balance weights for teal wheels
For weight storage and aluminum wheels of various sizes
Aluminum weight storage for storing balance weights
And steel wheels of various sizes and
And balance wheels on aluminum wheels.
It has the effect of being twisted. The invention according to a fourth aspect is characterized in that the first driving
The steel and steel weight feed sections of the second
And balance weight for aluminum wheels can be stored separately
Steel table of each driving device
Of balance weights for aluminum and aluminum wheels
Can be performed smoothly.

[Brief description of the drawings]

FIG. 1 is a plan view showing an example of an installation state of a device of the present invention.

FIG. 2 is a front view showing one embodiment of the present invention.

FIG. 3 is a side view of FIG. 2;

FIG. 4 is a front view showing an example of a work delivery device applied to the device of the present invention.

FIG. 5 is a plan view of FIG. 4;

FIG. 6 is a side view of FIG. 4;

FIG. 7 is a front view showing an example of a temporary placing table on the side of the lower weight supply device applied to the apparatus of the present invention, showing a situation before reversal.

FIG. 8 is a front view showing an example of a first driving device applied to the device of the present invention.

FIG. 9 is a side view of FIG.

FIG. 10 is a plan view of FIG. 8;

FIG. 11 is a front view showing a main part of a driving head of a balance weight driving device for a steel wheel of a first driving device applied to the device of the present invention, in which the vertical position is reversed and a part is shown in cross-sectional view. ing.

FIG. 12 is a plan view of FIG.

13 is an enlarged view of a main part of FIG. 11, showing a normal installation state.

FIG. 14 is a plan view of FIG.

FIG. 15 is an explanatory diagram showing the installation state of a photoelectric sensor applied to the work supporting member of the present invention.

FIG. 16 is a front view showing an example of a second driving device applied to the device of the present invention.

FIG. 17 is a side view of FIG. 16;

FIG. 18 is a plan view showing a state of a work transfer path immediately below a second driving device applied to the apparatus of the present invention.

FIG. 19 is a front view of FIG. 18;

[Description of Signs] 3 Wheel 4 Balance Weight 11 Clip 24 Balance Weight Mounting Device 27 Work Delivery Device 28 First Driving Device 29 Second Driving Device 39, 40 Clamper 73 Balance Weight Driving Device for Steel Wheel 74 Aluminum Wheel balance weight driving device 81 Second engagement portion 84 Driving head 84a First engagement portion 96 Engaging member 103, 105 Photoelectric sensor W Work

Continuation of the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) B60B 31/06 B60B 13/00 C

Claims (4)

(57) [Claims] And the weight storage containing the various balance weight 1. A depending on the size of the workpiece, the workpiece transportable
Work transfer path that can be sent and balun to be mounted on the work
A pin that can be gripped and delivered to the weight feeder
Backup device, along the moving direction of the workpiece transfer path.
Placed at the same time and delivered from the weight feeder
Set the lance weights at the unbalanced positions on both sides of the work.
First and second driving devices that can be attached.
1st and 2nd driving devices are arranged above and below the work transfer path
In the balance weight mounting apparatus for tires, web
Light storage on one side of the work transfer path,
One side between the first and second driving devices has the weight strainer.
A distribution cylinder is arranged opposite the over-di, the distribution cylinder
Balance weight can be delivered from pickup device
At the same time, and the balance
Weight supply unit on the same side of the first and second driving devices
A balance weight mounting device for a tire, characterized in that it can be supplied to a tire. 2. A first driving device and a second driving device, respectively.
And balance weight driving device for steel wheels
And balance weight driving equipment for aluminum wheels
And set the driving position of these driving devices to the same position
The tire balance weight mounting device according to claim 1. 3. The weight storage of various sizes.
For storing steel wheel balance weights
Weight storage and aluminum wheels of various sizes
Aluminum weight storage for storing balance weights for
3. The device for mounting a balance weight of a tire according to claim 2 , comprising: 4. The web of the first driving device and the second driving device.
Balun for steel and aluminum wheels
2. A temporary mounting table capable of separately storing weights.
An apparatus for mounting a balance weight of a tire according to the above.