JPH0786048B2 - Shim feeder - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION A. Object of the Invention (1) Field of Industrial Application The present invention is to mount a pedestal having a chute at one end and a plurality of types of shims having different thicknesses while accommodating them while laminating them. A plurality of magazine racks arranged on the upper side, a plurality of shim guide rails arranged in parallel on the rack connecting the shoot and each magazine rack, and a shim from the magazine rack as a shim guide rail. The present invention relates to a shim supply device including a plurality of pushers capable of advancing and retracting along each shim guide rail so as to be pushed out toward a chute side, and a pressing drive means connected to each pusher.

(2) Conventional Technology Conventionally, such an apparatus is already known from, for example, Japanese Utility Model Laid-Open No. 60-119031.

(3) Problems to be Solved by the Invention By the way, it is common for an operator to stack and store shims in each magazine rack, but the thickness of the shims used for assembling precision parts is, for example, 0.01 to 0.05 mm. If there are different types of shims stored in the magazine rack,
It is difficult for an operator to visually identify the thickness of the shim discharged from the magazine rack. However, in the above-mentioned conventional one, it is assumed that a plurality of types of shims are correctly sorted and stored in each magazine rack, and there is no means for verifying the thickness of the discharged shim, and the thickness different from the required shim. There is a risk that the shim will be supplied.

The present invention has been made in view of such circumstances, and an object of the present invention is to provide a shim supply device capable of supplying a shim while verifying whether or not the shim is as required.

B. Configuration of the Invention (1) Means for Solving the Problems In order to achieve the above object, according to the first feature of the present invention, each shim is attached to each rack at an intermediate position between each magazine rack and a chute. Shim thickness measuring means for measuring the thickness of the shims on the guide rails are respectively provided.

According to the second aspect of the present invention, the pressing drive means has a first stroke for pushing the shim from the magazine rack to the shim pressure measuring means and a second stroke for pushing the shim from the shim thickness measuring means to the chute. The pusher can be driven to be driven in two steps including the stroke.

Further, according to the third feature of the present invention, the pressing drive means is
Displacement is possible between a plurality of payout cylinders that are individually connected to each pusher and a position where the operation of the payout cylinders is regulated and a position where the regulation state is released while the shim is pushed out from the magazine rack to the shim thickness measuring means. However, it is provided with a plurality of regulating members which are arranged corresponding to the respective dispensing cylinders individually, and a single regulating cylinder which is commonly connected to the respective regulating members.

(2) Operation According to the configuration of the first feature described above, the shim discharged from each magazine rack has its thickness measured by the shim thickness measuring means before it falls on the chute, and the discharged shim is required. You can determine if it is the correct one.

Further, according to the configuration of the above-mentioned second feature, the thickness of the shim can be reliably measured by the shim pressure measuring means while the pusher is moved by the first stroke by the pressing drive means and the shim is stationary. Yes, after the measurement, pusher is put into the second
The shim can be dropped onto the chute by moving only the stroke.

Further, according to the configuration of the above-mentioned third feature, the operation of the pay-out cylinder is restricted by the restricting member so that the pusher can be moved to the first
The stroke can be moved, and the pusher can be moved by the second stroke by releasing the restriction of the cylinder operation by the restriction member.

(3) Embodiment One embodiment of the present invention will be described below with reference to the drawings.

First, in FIG. 1 to FIG. 3, the shim supply device includes a fixed base 2 having a chute 1 at one end and a plurality of types of shims 3 ₁ , ... 3 ₄ , 3, _{5 5} , 3 ₆ , having different thicknesses. 3 _7, ... 3 _N and a plurality of magazine 4 ... which is disposed on the gantry 2 with housed in the stacked state, in parallel on the pedestal 2 connects between the chute 1 and the magazine 4 ... distribution A plurality of sets of shim guide rails 5 and 6 are provided one by one, and the shims 3 _{1 to} 3 _N from the magazine rack 4 are connected to the shim guide rails 5 and 6 respectively.
Along with the shim guide rails 5, 6 to push out toward the chute 1 side along with ..., a plurality of pushers 7 that can move back and forth,
The pressing drive means 8 connected to the pushers 7 and the shims 3 _{1 to} 3 _N discharged from the magazine racks 4 are arranged on the mount 2 so as to measure the thicknesses of the shim 3 _{1 to} 3 _N. As a plurality of shim thickness measuring means 9
... and.

Referring to FIG. 4 and FIG. 5 together, the gantry 2 includes a fixed substrate 10, a plurality of pillars 11 ... Standing on the substrate 10,
A top plate 12 having a rectangular shape that is horizontally supported by the pedestals 11 is provided, and the chute 1 is continuously provided at one end on one side along the longitudinal direction of the top plate 12. Further, the top plate 12 has a plurality of elongated holes 13 having a rectangular shape elongated in a direction orthogonal to the longitudinal direction.
Are drilled in parallel with each other.

The shim guide rails 5 and 6 are fixed on the top plate 12 along the both side edges of the respective long holes 13 from the middle portion of the long holes 13 to one side end of the top plate 12, that is, the chute 1. To be done. Thus, both shim guide rails 5 ..., 6 ...
The guide surface 5 is formed in a substantially L-shaped cross section with the side as the lower portion, and slides on both side ends of each shim 3 _{1 to} 3 _N.
and a and 6a on the upper surface of the lower portion.

Each magazine rack 4 ... is each shim guide rail 5
, 6 ... are respectively arranged corresponding to the ends separated from the chute 1. Each magazine rack 4 ... is a sim 3 ₁
~ 3 _N is a tubular shape having an outer shape substantially corresponding to the outer shape, and is configured to be openable and closable along the longitudinal direction by the butterfly plates 14 at a plurality of positions spaced apart in the longitudinal direction. It is maintained by tightening a plurality of screw members 15.

On the top plate 12 of the gantry 2, columns 16, 16 are erected at both ends along the longitudinal direction. An upper support frame 17 and a lower support frame are provided between the upper and lower parts of these columns 16,16.
18 is erected, and locking recesses 19 and 20 are provided in portions of both support portions 17 and 18 corresponding to the magazine racks 4 ... On the other hand, engaging hooks 21 and 22 which can be engaged with the engaging recesses 19 and 20 from above are attached to the magazine racks 4 ,. Thus, each magazine rack 4 is in an upright state in which it is suspended from the upper and lower support frames 17 and 18 by engaging the engaging hooks 21 and 22 with the locking recesses 19 and 20,
The shim guide rails 5, 6 ... Are arranged corresponding to the ends of the shim guide rails 5, 6 ...

By the way, a square-shaped receiving frame 23 is provided on the end of each of the shim guide rails 5 ... 6 separated from the chute 1 to receive the lower end of each magazine rack 4 ... Suspended as described above. Each is fixed. With the magazine racks 4 placed on the receiving frame 23, the shims 3 _{1 to} 3 _N stored in the magazine racks 4 in a stacked state pass through the receiving frame 23 due to their own weight. The shim guide rails 5, 6 are sequentially supplied from the lower side onto the mounting surfaces 5a, 6a.

Further, on each receiving frame 23, on the mounting surfaces 5a and 6a of the shim guide rails 5 and 6 to notify that the corresponding shim among the shims 3 _{1 to} 3 _N should be replenished to the magazine rack 4. detector 24 which rides are shim 3 ₁ to 3 _N and outputs a detection to signal that it is now approximately three example is mounted, respectively.

A plurality of pairs of guide rails 25, 25 extending along both side edges of the elongated holes 13 are fixed to the lower surface of the top plate 12 of the gantry 2, and the longitudinal direction is set in each elongated hole 13. The pushers 7, which are arranged so as to be movable to, are fixed to the sliders 26, which are movable along the guide rails 25, 25, respectively. In addition, a pressing plate portion 7a for pressing the shims 3 _{1 to} 3 _N on the mounting surfaces 5a and 6a is provided integrally with each pusher 7 ... , The pushers 7 are set to be located between the two mounting surfaces 5a and 6a and the upper surfaces of the shims 3 _{1 to} 3 _N on the mounting surfaces 5a and 6a. As a result, in accordance with the movement of the pusher 7 ... To the chute 1 side, the shims 3 _{1 to} 3 _N from the magazine racks 4 ... are discharged to the chute 1 side one by one along the shim guide rails 5 and 6. Become. Moreover, the tip of the pressing plate portion 7a is formed in an arcuate recess corresponding to the shims 3 _{1 to} 3 _N.

The micro gauges 9 for measuring the thickness of the shims 3 _{1 to} 3 _N delivered from the magazine racks 4 are provided with the magazine racks 4 and the shoots 1 along the shim guide rails 5 and 6, respectively. It is arranged in the middle part between. That is, the support frame 27 located above the middle portion of each shim guide rail 5 ..., 6 while surrounding each magazine rack 4 ... Between the lower portions of both columns 16, 16 erected on the top plate 12. Are provided, and the respective mygrogauges 9 are fixed to the fixtures 53 fixed to the portions of the support frame 27 corresponding to the magazine racks 4 while having vertical axes. Moreover, each of the micro gauges 9 is elastically brought into contact with the upper surfaces of the shims 3 _{1 to} 3 _N on the mounting surfaces 5a and 6a so that the shims 3
In order to precisely measure the thickness of 3 _{1 to} 3 _N , the positions corresponding to the upper surfaces of the mounting surfaces 5a and 6a have been adjusted as zero points.

Each micro gauge 9 ... on both sides of the mounting surface 5a, the pressing roller 28 of the pair pivotable between on 6a shim 3 ₁ to 3 _N and a pressed position and its pressing releasing position Are respectively arranged. Further, a rotary shaft 29 having a horizontal axis line orthogonal to the longitudinal direction of each shim guide rail 5, ..., 6 is arranged between each micro gauge 9 ... And each magazine rack 4. Both ends of the moving shaft 29 are rotatably supported by bearing blocks 30, 30 fixed on the top plate 12. On the other hand, the pressing rollers 28, 28 are commonly supported by a shaft 31 which is parallel to the rotary shaft 29, and each pair of rollers is 2
Rotating shafts 2 at both ends of the shaft 31 via a pair of connecting members 52, 52.
Connected to 9. Therefore, each pressing roller 28, 28 ...
It is rotatable about 31 and rotatable about the axis of the rotating shaft 29. Moreover, a cylindrical spacer 32 for maintaining the space between the pressing rollers 28, 28 is fitted on the shaft 31 between the pressing rollers 28, 28.
On the outer side of 8, the shaft 29 is provided with stoppers 33, 3 for preventing both pressing rollers 28, 28 from moving in directions away from each other.
3 are fixed respectively.

Referring also to FIG. 6, one end of the rotary shaft 29 protruding from the bearing block 30 has a contact portion 34a bent at a right angle at the tip and is formed in a substantially L shape and extends downward. The proximal end of the arm 34 is fixed. On the other hand, a bracket 35 is fixed to the lower surface of the top plate 12 of the gantry 2.
, And the arm 34, the pressing rollers 28, 28 ... As shown by the solid line in FIG. 6, push the shims 3 _{1 to} 3 _N against the mounting surfaces 5a, 6a. The spring 36 for biasing 29 is contracted. Further, the arm 34 is in the direction opposite to the urging direction of the spring 36, that is, the pressing rollers 28, 28 have shims 3 _{1 to} 3 _N on the mounting surfaces 5a, 6a.
The shim holding cylinder 37 for rotating in the direction away from the arm 37 has a horizontal axis for contacting the plunger 37a with the contact portion 34a of the arm 34 during its extension operation. While being fixedly supported by the bracket 35. In a state where the shim pressing cylinder 37 is extended operation therefore, the pressing rollers 28, 28 ... is in a position away from the shim 3 ₁ to 3 _N, when the shim presser Shirinta 37 is contracted operation, the spring of the spring 36 Each pressing roller 28,2 by force
8 ... rotates to the position where the shims 3 _{1 to} 3 _N are pressed against the placement surfaces 5a and 6a.

The pressing drive means 8 connects the shims 3 _{1 to} 3 _N to the magazine racks 4 ...
From the microgauge 9 to the microgauge 9 and the second stroke to push the shims 3 _{1 to} 3 _N from the microgauge 9 to the chute 1 in two stages.
Each pusher 7 is configured to be capable of being driven by pressing.
A plurality of pay-out cylinders 38, which are individually connected to each other, and shims 3 _{1 to} 3 _N from each magazine rack 4 to a micro gauge 9
A plurality of restricting members 39 arranged individually corresponding to the respective dispensing cylinders 38 ... While being displaceable between a position for restricting the operation of the dispensing cylinder 38 ... , And a single restricting cylinder 40 commonly connected to each restricting member 39.

Brackets 41 are fixed to the lower surface of the top plate 12 in correspondence with the ends of the long holes 13 of the gantry 2 on the side separated from the chute 1, and these brackets 41 ...
The pay-out cylinders 38 ... Each having a horizontal axis along the longitudinal direction of each of the long holes 13 ... Are fixedly supported. The tip ends of the piston rods 38a in the pay-out cylinders 38 ... Are respectively connected to the sliders 26. Therefore, according to the expansion and contraction operation of the payout cylinder 38, the pusher 7 corresponding to the payout cylinder 38 is moved to the shim guide rails 5, 6
It will move forward and backward along.

The restricting members 39 are individually arranged at the front positions of the pay-out cylinders 38, and are arranged on a common rotary shaft 42 having a horizontal axis orthogonal to the axis of the pay-out cylinders 38. Each is fixed. Both ends of the rotary shaft 42 are rotatably supported by bearing blocks 44, 44 fixed to the base plate 10 of the gantry 2 via bearing pedestals 43, respectively.

One end of a link 45 is connected to one end of the rotary shaft 42 protruding from one of the two bearing blocks 44,44. On the other hand, a bracket 46 provided on the base plate 10 of the gantry 2 supports a single restricting cylinder 40 having an axis line orthogonal to the rotating shaft 42 via a trunnion shaft 47. The piston rod 40a is connected to the other end of the link 45. That is, a connecting ring 48 is attached to the tip of the piston rod 40a.
The other end of the link 45 is connected to the connecting ring 48 via a connecting pin 49 parallel to the rotating shaft 42. Moreover, the mounting member 50 fixed on the substrate 10 in the front position of the connecting ring 48 is provided with the screw member 51 that functions as a stopper that contacts the single connecting ring 48 and restricts the maximum extension position of the restriction cylinder 40. Is screwed so that it can move forward and backward.

Thus, the restriction cylinder 40 and the rotation shaft 42 are connected via the link 45 so that the rotation shaft 42 rotates approximately 90 degrees during the maximum expansion operation and the maximum contraction operation of the restriction cylinder 40. , Each of the regulating members 39 ... When the regulating cylinder 40 is in the maximum extension operation, as shown by the solid line in FIG.
When the shim 3 _{1 to} 3 _N reaches the position corresponding to the micro gauge 9 by the pusher 7 and the pusher 7 abuts on the tip of the piston rod 38a of the pay-out cylinder 38, the further extension operation is prevented. At the time of the maximum contraction operation of the restriction cylinder 40, the rotary shaft is rotated by approximately 90 degrees forward as shown by the chain line in FIG. 3 to a position allowing the forward movement of the piston rod 38a. Fixed at 42. As a result, in response to controlling the expansion and contraction operation timing of the restriction cylinder 40, the pressing drive means 8 pushes the shims 3 _{1 to} 3 _N from each magazine rack 4 to the micro gauge 9 ...
, And the second stroke of pushing the shims 3 _{1 to} 3 _N from the micro gauge 9 to the chute 1 in two stages.

By the way, it is configured as described above to determine which of the plurality of types of shims 3 _{1 to} 3 _N should be delivered to the chute 1, that is, which of the delivery cylinders 38 ... Is to be extended. A shim selection device 55 (see FIG. 1) disposed on the side of the shim supply device. One of the dispensing cylinders 38 ...
One of them will be extended.

In Figure 7 and Figure 8, a shim selection unit 55, among the plurality of reference gauge plate 57 _{1-57 8} feeler gauge 56 is provided,
Each of the shims 3 _{1 to} 3 _N is measured by measuring the thickness of a reference gauge plate, for example, 57 ₁ corresponding to the gap in which one of the shims 3 _{1 to} 3 _N should be sandwiched.
And outputs a signal indicating whether to dispensing any of a, a mounting table 58 for for placing crowded difference one of the reference gauge plate 57 _{1-57 8,} placing the table 58 And a micro gauge 59 arranged upright above.

On the substrate 60 of the shim selection device 55, the mounting table 58 and the frame body 62 are fixed adjacent to each other. Thus, the frame 62 is integrally formed with a protrusion 62a so as to cover the upper part of the end of the mounting table 58 from above the center of the mounting table 58, and open one end in the longitudinal direction and the upper part. In addition, a long groove 61 that faces the mounting table 58 is provided at one end thereof.

On the upper surface of the protruding portion 62a of the frame body 62, a gate-shaped support frame 63 straddling one end of the long groove 61 is erected, and on this support frame 63,
The micro gauge 59 in a vertical position is fixedly supported. The micro gauge 59 Thus, one of the criteria have been mounted on the mounting table 58 gauge plate 57 _{1-57 8} example 57
_The thickness is elastically contacted with the upper surface of ₁ to measure the thickness, and the state of contact with the mounting table 58 is adjusted as a zero point.

More long groove 61, the swinging member 64 having the pressing portion 64a which is bifurcated so as to abut one of the upper surface of the reference gauge plate 57 _{1-57 8} on both sides of the micro gauge 59, and 64b at the tip portion The base end of the swinging member 64 is swingably supported by the frame 62 at the other end of the long groove 61 via a support shaft 62 having a horizontal axis. A spring 66 is provided between the middle portion of the rocking member 64 and the bottom surface of the long groove 61.
Due to the spring force of the swing member 64, the pressing portion 64a at the tip of the swing member 64,
64b is urged in a direction away from the mounting table 58.

Further, on the upper surface of the frame body 62, a cylinder 67 having a vertical axis is fixed so as to straddle the long groove 61, and a plunger 67a of the cylinder 67 abuts on an upper surface of an intermediate portion of a swinging member 64, so that the swinging member 64 64 can be pressed downward. I.e. is extended actuating cylinder 67, the swing member 64, the pressing portion 64a, rotates so as to press toward the one on the mounting table 58 of the reference gauge plate 57 _{1-57 8} 64b of the tip portion To do.

The structure of the gap gauge 56 will be described with reference to FIGS. 9 and 10.

The feeler gauge 56, the rotary disk 71, a reference gauge plate 57 _{1-57 8} thick mounted at a position spaced in the circumferential direction different example of eight the rotary disc 71, rotating disk 71 And a cover plate 72 which is arranged to face the rotating disc 71 so as to be capable of relative angular displacement.

The thin portion 71a is provided over the entire circumference on the outer peripheral portion of the rotary disk 71, reference gauge plate 57 _{1-57 8} is attached to the thin-walled portion 71a. That is, a position spaced of 45 ° increments in the circumferential direction of the thin portion 71a, the reference gauge plate 57 _{1-57 8,} of the majority of the rotary disc 71 in pairs so as to protrude outward Attached by screw members 73, 73, respectively.

Cover plate 72 is intended to be formed to the each reference gauge plate 57 _{1-57 8} essentially disc-shaped with a transparent synthetic resin having a periphery positioned slightly inward from the outer end of , notch 72a that can selectively into facing one of the respective reference gauge plate 57 _{1-57 8} is provided on the outer periphery of the cover plate 72.
Moreover, the notch portion 72a expands outwardly so that the cover plate 72 does not hit a member around the gap when inserting the reference gauge plate, for example, 57 ₁ in the outer notch portion 72a into the gap to be measured. Is formed.

By the way, the central portion of the cover plate 72 is sandwiched between a disc-shaped inner plate 74 on the side of the rotating disc 71 and a disc-shaped outer plate 75. Further, the shaft 76 that penetrates the central portions of the outer plate 75, the cover plate 72, and the inner plate 74 is provided with a flange portion 76a that abuts the outer plate 75, and the inner plate 74, the cover plate 72, and the outer plate 75 are provided. The cover plate 72 is integrated with the shaft 76 by screwing a plurality of threaded members 77 that are inserted into the collar portion 76a.

One end of the shaft 76 is inserted through the center of the rotating disc 71, and a retaining ring 78 is attached to one end of the shaft 76 protruding from the rotating disc 71.
Is fitted. Thus, a washer 79 is interposed between the retaining ring 78 and the outer surface of the rotating disc 71. Moreover, a ring-shaped thrust washer 80 is interposed between the inner surface of the rotating disc 74 and the inner plate 74 integrated with the cover 72.

With such a configuration, the rotary disc 71 and the cover plate 72 are connected so that relative angular displacement is possible. Moreover, a substantially U-shaped handle 81 is fixed to the outer surface of the rotating disk 71, and a rod-shaped handle 82 extending in the direction orthogonal to the shaft 76 is fixed to the other end of the shaft 76. Therefore, holding the handles 81, 82, the rotating disk 71
And the cover plate 72 can be relatively angularly displaced.

Further the surface facing the rotating disk 71 of the inner plate 74 at the outer position than the thrust washer 80, the position corresponding to each reference gauge plate 57 _{1-57 8} virtual circle about the axis of the shaft 76 Recessed in
83 ... are provided respectively. On the other hand, a spring plunger 84 having a spherical portion 84a at its tip which is elastically fitted into one of the recesses 83 is fixed to the rotary disc 71. Therefore the rotary disk 71 and the cover plate 72, reference gauge plate 57 ₁
To 57 so as to sequentially face ₈ in the notch 72a moderation manner caused to undergo displacement relative angle.

In this gap gauge 56, gripping the handles 81, 82, the rotating disc 71
And by allowed to relative angular displacement of the cover plate 72, it is possible to sequentially face the plurality of reference gauge plate 57 _{1-57 8} notch 72a of the cover plate 72, reference gauge plate is in its notch 72a Insert (57 _{1 in} Fig. 9) into the gap to be measured. By relative angular displacement of the rotary disk 71 and the cover plate 72 to the reference gauge plate corresponding to the gap of the reference gauge plate 57 _{1-57 8} Thus comes to face the cutout portion 72a, gap size The reference gauge plate corresponding to can be easily selected.

In this way, the feeler gauge one of the reference gauge plate 57 _{1-57 8} corresponding to the gap to sandwich the one of the shim 3 ₁ to 3 _N
After selecting at 56 a reference gauge plate for example 57 ₁ in the state of being positioned in the notch 72a, it is placed on the stage 58 by inserting one end of the long groove 61 in the shim selection device 55.
When the Linda 67 of the shim selection device 55 is extended, the reference gauge plate, for example, 5 is pressed by the pressing portions 64a and 64b.
7 ₁ is pressed onto the mounting table 58, and in that state, the thickness of the reference gauge plate 57 ₁ is accurately measured by the micro gauge 59. Thus, the shim selection device 55 inputs to the shim supply device a signal indicating which of the shims 3 _{1 to} 3 _N should be supplied corresponding to the measured thickness, and the shim supply device, based on the input signal. One of the pay-out cylinders 38 ...

Next, to explain the action of this embodiment, shim feed device, one of the payout cylinder 38 ... in response to a signal from the shim selection unit 55, for example, initiate a payout cylinder 38 extending action corresponding to the shim 3 ₇ However, before the extension operation of the pay-out cylinder 38, the restriction cylinder 40 is in the extension operation state,
Each restricting member 39 is at the position shown by the solid line in FIG. 3, the shim pressing cylinder 37 is also extended, and the pressing rollers 28, 28 are placed on the mounting surfaces 5a of the shim guide rails 5 ,. , 6a
It is in a position away from…

When the payout cylinder 38 in such a state to start the decompression operation, the pusher 7, the mounting surface 5a of shim 3 ₇ ... both shim guide rails 5 and 6 of which are stacked and stored in the magazine rack 4, on the 6a rides and abuts the rear of the lowermost shim 3 _7, the lowest layer of the shim 3 ₇ only both mounting surface 5a, will extrude toward the chute 1 side while sliding on 6a.

When Thus to shim 3 ₇ has moved to a position corresponding to the micro gauge 9, the tip of the piston rod 38a of the payout cylinder 38 abuts against the regulating member 39, more forward operation is prevented. That pusher 7 comprises a shim 3 ₇ to be extruded in the first stroke from the magazine 4 to the micro-gauge 9. Thus shim 3 ₇ when advanced to a position corresponding to the micro gauge 9, shim pressing cylinder 37 is contracted operation. As a result, the pressing rollers 28, 28 ... Place the mounting surfaces 5a, 6a on the spring 36 by the spring force.
Rotates towards the side, the shim 3 ₇ will be pushed against the mounting surface 5a by both pressing rollers 28, 28 on both sides of the micro gauge 9, the 6a, the shim 3 ₇ by a micro-gauge 9 in this state
Is measured.

Thus the thickness of the shim 3 _7, which is paid out from the magazine rack 4 will be accurately measured while avoiding quiescent Moreover placing surface 5a, the lifting from 6a. This makes that determines if an have a thickness that the shim 3 ₇ paid out from the magazine rack 4 met the request is determined.

Cylinder for shim pressing after measurement with micro gauge 9
37 mounting surface 5a of shim 3 ₇ by both the pressing rollers 28, 28 by extending action, pressed to 6a is released, further regulation cylinder 40 is housed actuated. As a result, the restricting member 39 rotates about 90 degrees toward the front side as shown by the chain line in FIG. 3, and the state in which the extending operation of the dispensing cylinder 38 is restricted is released. Whereby payout cylinder 38 resumes extension operation, the pusher 7 is gradually extruded toward the shim 3 ₇ from the micro gauge 9 to the chute 1 side. That pusher 7 pushes the shim 3 ₇ at a second stroke from the micro gauge 9 until shoots 1.

Although Thereby the shim 3 ₇ chute 1 falls, the shim
3 ₇ Whether those having a thickness of as required, have already been determined, in accordance with the determination result, the chute 1
The shim 3 ₇ of the inner whether to use is determined.

In such a shim supply device, the pressing drive means 8 has a plurality of dispensing cylinders 38 individually connected to the pushers 7.
, And a state in which the operation of each dispensing cylinder 38 is regulated and a state in which the regulation is released, are switchable, and a plurality of regulating members 39 arranged individually corresponding to each dispensing cylinder 38.
, And a single restricting cylinder 40 that is commonly connected to each restricting member 39. With such a simple configuration, the pusher 7 is operated in two steps of strokes so that the shim 3 ₁ It is possible to accurately measure the thickness of ~ 3 _N.

C. Effect of the Invention As described above, according to the first feature of the present invention, the thickness of the shim discharged from each magazine rack is measured while moving from the magazine rack to the chute, and the shim is discharged by the measurement. Since it is possible to determine whether or not the shim is the required one, it is possible to prevent the shim having a different thickness from being mistakenly supplied even if the shim having a different thickness is mixed in the magazine rack.

According to a second aspect of the present invention, the pressing drive means is the first
According to the third feature of the present invention, the pusher can be pressed in two steps of the second stroke and the second stroke, and the thickness of the shim can be accurately measured while the shim is stationary. With a simple structure in which a plurality of regulating members are operated by a single regulating cylinder and the operation of a plurality of dispensing cylinders is regulated by the regulating member, the pusher can be operated in two stages of strokes.

[Brief description of drawings]

The drawings show one embodiment of the present invention. FIG. 1 is a plan view of the shim feeder of the present invention, FIG. 2 is a sectional view taken along line II-II of FIG. 1, and FIG. 3 is of FIG. III-III line sectional view, FIG. 4 is an IV-IV line enlarged sectional view of FIG. 3, FIG. 5 is a VV line sectional view of FIG. 4, and FIG. 6 is VI of FIG.
-VI line enlarged sectional view, FIGS. 7 and 8 show a shim selecting device, FIG. 7 is a plan view, and FIG. 8 is a view of FIG.
VIII-VIII sectional view, FIGS. 9 and 10 show a gap gauge, FIG. 9 is a plan view, and FIG. 10 is a sectional view taken along line XX of FIG. 1 …… Shoot, 2 …… Stand, 3 _{1 to} 3 _N …… Sim, 4 ……
Magazine rack, 5,6 ... Shim guide rail, 7 ... Pusher, 8 ... Pressing drive means, 9 ... Micro gauge as shim thickness measuring means, 38 ... Discharging cylinder, 39 ...
… Regulating member, 40 …… Regulating cylinder

Claims (3)

[Claims] 1. A pedestal (2) having a chute (1) at one end and a plurality of types of shims (3 _{1 to} 3 _N ) having different thicknesses are stacked and housed and placed on the pedestal (2). A plurality of shim guide rails (5, 6) arranged in parallel on the rack (2) connecting the plurality of magazine racks (4) to be installed and the chute (1) and each magazine rack (4). )
And along each shim guide rail (5,6) to push the shims (3 _{1 to} 3 _N ) from the magazine rack (4) along the shim guide rails (5,6) to the chute (1) side. In a shim supply device provided with a plurality of pushers (7) that can be moved forward and backward and a pressing drive means (8) connected to each pusher (7), an intermediate position between each magazine rack (4) and chute (1). Mount the shim guide rails (5,
6) A shim supply device, characterized in that a shim thickness measuring means (9) for measuring the thickness of the shims (3 _{1 to} 3 _N ) above is provided respectively. 2. A first stroke for pushing the shim (3 _{1 to} 3 _N ) from the magazine rack (4) to the shim thickness measuring means (9), and the shim (3 ₁ to 3). The pusher (7) can be pressed and driven in two steps, that is, a second stroke for pushing 3 _N ) from the shim thickness measuring means (9) to the chute (1). The described shim feeder. 3. The pressing drive means (8) comprises a plurality of dispensing cylinders (38) individually connected to each pusher (7).
Between the position where the operation of the dispensing cylinder (38) is restricted and the position where the restriction state is released in the state where the shim (3 _{1 to} 3 _N ) is pushed out from the magazine rack (4) to the shim thickness measuring means (9). And a plurality of regulating members (3) which are arranged so as to correspond to the respective dispensing cylinders (38) individually.
9. The shim supply device according to claim 1, comprising: 9) and a single restriction cylinder (40) commonly connected to each restriction member (39).