JPH0634909Y2 - Mounting member supply device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a mounting member supply device for automatically mounting a bearing metal on a connecting rod of an engine, for example.

<Prior art> The bearing at the large end of the connecting rod of the engine is composed of a pair of bearing metals that are halved, and these bearing metals are attached to the main body side and cap side of the connecting rod, but butt them together to form a bolt. It is assembled together by tightening. Conventionally, in assembling the bearing portion of the connecting rod, the work of attaching the bearing metal to the connecting rod body and the connecting rod cap has been performed manually by a worker.

Such mounting devices include those disclosed in Japanese Utility Model Application Laid-Open Nos. 57-181532 and 59-100727.

The one disclosed in Japanese Utility Model Laid-Open No. 57-181532 relates to a work supply device, in which two magazines for storing the work are provided on a base, and one of the magazines cuts out the work stored therein. Is provided with a table for placing a work on the other side, and a work supply table that can be changed to an upright posture for facilitating receipt of the work A and an inclined posture for the work machine to easily take out the work are provided. A pressing tool for changing the posture is provided so that the work can be delivered and the posture of the work supply table can be automatically changed.

Further, the one disclosed in Japanese Utility Model Publication No. 59-100727 relates to a magazine indexing device by a robot, and a plurality of magazines (rods and connecting plates) that can be indexed by stacking parts and indexed to a part extraction position. It has a hand device that takes out parts from the magazine that has been taken out, and the magazine is indexed by the operation claw of the hand device coming into contact with the engaging knob on the magazine side, and in this state the parts are supplied by the hand device. It is done.

<Problems to be Solved by the Invention> There is a problem in that the work of manually mounting the bearing metal is inefficient, and the bearing metal is a high-precision component and easily scratched, which requires skill.

Further, even in the mounting devices disclosed in the above-mentioned publications, the work or parts supplied from the magazine is 1
There was a problem that it took a long time to work.

The present invention has been made in view of such circumstances, and an object of the present invention is to provide a mounting member supply device with improved work efficiency.

<Means for Solving Problems> A mounting member supply device of the present invention for achieving the above-mentioned object is a base installed at a predetermined position and a circle rotatably supported by the base. A plate, positioning means provided on the base and capable of indexing the disc at a predetermined rotational position with respect to the base, and at predetermined intervals along the circumferential direction at the edge of the disc. A plurality of magazines arranged in a plurality and supported swingably around an axis parallel to the rotation axis of the disc, and a plurality of magazines for accommodating a plurality of mounting members in a stack, and a plurality of magazines provided on the base and provided by the positioning means. When the discs are indexed to a predetermined rotation position, at least two magazines of the plurality of magazines are simultaneously pressed outwardly of the discs so that the swing positions of the two magazines are set to the supply position. Press the magazine that defines the position to match Means, and the mounting members housed inside from the lower ends of at least two magazines that are provided on the base together with the magazine pressing means and that are defined by the magazine pressing means in the swing position. It is characterized in that it is provided with a take-out means for pushing out in parallel.

<Operation> When the disc is indexed to a predetermined rotational position by the positioning means, among the plurality of magazines arranged along the circumferential direction of the disc, the plurality of mounting members are accommodated by the magazine pressing means. At least two magazines are simultaneously pressed to the outside of the disc so that the rocking positions of the two magazines are defined at positions facing the supply position, and the two magazines defined at the rocking positions by the ejecting means. The mounting members housed inside are extruded from the lower end of the same to the supply positions simultaneously and in parallel.

<Embodiment> An embodiment of the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a front view of the entire connecting rod bearing metal mounting device according to an embodiment of the present invention, and FIG. 2 is a plan view thereof.

In FIGS. 1 and 2, 1 is a magazine device, 3 is a hand device, and 5 is a take-out device. In this embodiment, two sets of the hand device 3 and the take-out device 5 are provided, and the bearing metal 13 can be attached to the two connecting rods 119 at the same time.

The magazine device 1 has a rotating main body 9 rotatably supported on a base 7 around a vertical axis, and a plurality of magazines 11 attached to the outer peripheral portion of the main body 9. This magazine
Reference numeral 11 denotes a vertically long box shape, and as shown in FIG. 9, a plurality of bearing metals 13 having a semicircular cross section are stacked and housed so as to be convex upward. On the other hand, the rotary main body 9 has discs 15 on the upper and lower sides, and as shown in FIG. The fixtures 17 are provided on the circumference at equal intervals. As shown in FIG. 4 showing a plan view and FIG. 5 showing a vertical side view, each of these fixtures 17 is rotatably supported by a pivot 21 on a support base 19 fixed to a disk 15. The mounting piece 23 is provided, and the bracket 27 protruding from the back of the magazine 11 is fitted into the groove 25 formed in the mounting piece 23 in the vertical direction so that the magazine can be mounted on the mounting piece 23. Has become. In addition, a plunger 31 is slidably supported on the support base 19 in a direction toward and away from the mounting piece 23, and a spring 35 inserted by a spring receiver 33 screwed to the support base 19 causes the plunger 31 toward the mounting piece 23. A roller 39, which is biased and pivotally attached to the tip of the plunger 31 by a pin 37, has a V-shaped groove 41 formed on the back surface of the mounting piece 23.
Has been inserted into. Therefore, as shown by the solid line in FIG. 4, the roller 35 is normally pressed against the groove 41 by the spring 35 so that the mounting piece 23 faces the front and the magazine 11 is directed in the radial direction of the disk 15. When an external force is applied by the pressing device 51, the mounting piece 23 rotates while retracting the plunger 31 against the spring force of the spring 35 via the roller 39, and pivots the magazine 11 to rotate. You can

The rotary body 9 has a drive motor 43 connected to its upper end.
While the indexing cylinder 45 mounted on the base 7 is fitted into a plurality of positioning holes 47 provided on the lower surface of the lower disk 15 according to the number of magazines 11, the rotary body 9 is rotated. It is designed to be indexed in place. Incidentally, in FIG. 1 and FIG. 2, 49 is a cover,
The magazine device 1 is entirely covered and one end of the magazine device 1 is notched so that the bearing metal 13 can pass therethrough.

On the inner base 7 at the bottom of the magazine device 1, the first
As shown in the figure, a mounting device 5 that pushes out the bearing metal 13 in the magazine 11 and a pressing device 51 that is a magazine orientation defining device that defines the swinging angle of the magazine 11 are provided.
FIGS. 6, 7, and 8 are a side view, a front view, and a plan view, respectively.

As shown in FIGS. 6 to 8, the take-out device 5 and the pressing device.
Two sets of 51 are provided as described above. Each take-out device 5
Is a bracket 53 fixed to the base 7 and a spline shaft 55.
It has a mounting piece 57 which is supported in parallel with each other via a shaft so as to be movable in the horizontal direction, and an ejection cylinder 59 which is mounted on the bracket 53 and drives the bracket 53 to reciprocate. The take-out piece 57 is located at the same height as the lower end of the magazine 11 of the magazine device 1, and the shape of its tip is shown by an imaginary line in FIG. magazine
The bearing metal 13 stacked in 11 has a semi-cylindrical shape so that it can come into contact with only the lowest one. The distance between these pressing pieces 57 in the horizontal direction corresponds to two pitches between the magazines 11 of the magazine device 1 (see FIG. 8), and these two pitches are continuous in the transport line. Adjoining connecting rods
Corresponds to 119 intervals.

Further, each pressing device 51 is formed by fixing a pressing piece 63 to the rod tip of a pressing cylinder 61 attached to a bracket 53,
Each pressing piece 63 is located above the take-out piece 57.
The pressing cylinder 61 is parallel to the take-out cylinder 59, and the tip surface of the pressing piece 63 is a surface orthogonal to the driving direction of the cylinder 61.

Therefore, when the pressing cylinder 61 is actuated to push the pressing piece 63 forward with the magazine 11 positioned at the predetermined position, the pressing piece 63 hits the back surface of the magazine 11, thereby causing the magazine 11 to pivot. A swinging and pivoting motion is performed centering around, and the state becomes parallel to the stroke direction of the cylinder 61. In other words, when a plurality of magazines 11 are arranged on the circumference and the bearing metal 13 is simultaneously taken out from the magazines 11 located at the two indexing positions, the orientation of each magazine 11 at those positions is in the free state for each hand. Although not directly facing the device 3, the pressing cylinder 61 of the device for defining a magazine orientation is used.
With the operation of, the magazine 11 can be oriented in the required direction directly facing the hand device 3. Next, take-out cylinder
When actuating 59, the ejector piece 57 pushes outwardly the one lowermost bearing metal 13 in the magazine 11.

Further, two sets of hand devices 3 are arranged on the base 7 below the take-out device 5. 10 and 11 are a plan view and a side view of the tip portion, respectively, and FIGS. 12 and 13 are a plan view and a front view of the hand portion, respectively.

As shown in FIGS. 1, 10, and 11, a swivel base 65 is rotatably supported around a horizontal axis by a pin 69 via a bracket 67 on a side portion of the base 7, and A turning cylinder 71 is rotatably supported below by a pin 75 via a bracket 73, and a tip of a rod of the turning cylinder 71 is connected to a pin 69 via a link 77. Therefore,
By the operation of the swiveling cylinder 71, the swivel base 65 is rotationally driven between the horizontal position and the vertical position. Further, an insertion cylinder 79 is attached to the swivel base 65, and a hand 81 for handling the bearing metal 13 is fixed to the tip of the rod of the insertion cylinder 79.

A semicircular receiving piece 85 for receiving the bearing metal 13 is formed at the tip of the main body 83 of the hand 81, and the bearing metal 13 is provided at the base end thereof.
A step portion 87 for pressing is provided. As shown in FIG. 12 and FIG. 13, movable members 89 are attached to both sides of the hand main body 83 by a shaft 91 so that they can move toward and away from each other. An open / close cylinder 93 is attached to one movable member 89, and a rod of the open / close cylinder 93 is fixed to the other movable member 89.
Eighty-nine are moving away from each other. A guide groove 95 is formed at the tip of these movable members 89, and a pawl 97 is attached to the guide groove 95 so as to be slidable in the front-rear direction (vertical direction in FIG. 12). A groove 99 is formed in the claw 97, and the pin 101 screwed into the movable member 89 is provided in the groove 99.
While the claw 97 is inserted to prevent the claw 97 from falling off, the claw 97 is urged forward by the spring 103 interposed between the claw 97 and the movable member 89.

Further, a groove 105 having a semicircular cross section is formed at the tip of the claw 97 in order to avoid interference with the fastening bolt of the connecting rod, and a circular hole is formed on the side surface of the hand body 83 with the groove 105. While a protrusion 107 is provided, a recess 109 is formed on the side edges of the upper and lower surfaces of the hand body 83 so that the edges of the groove 105 do not interfere when the claws 97 approach each other.

Further, a block 111 is fixed to the upper surface of the hand body 83, and positioning pins 113 and 115 are attached to the block 111. These positioning pins 113 and 115 are fitted in hand positioning holes 147 of a clamp 139, which will be described later. One of the positioning pins 113 has a circular cross section, while the other positioning pin 115 restricts the rotation around the positioning pin 113. The positioning holes 147 are contacted at two positions.

In such a hand device 3, the insertion cylinder 79
When the swivel cylinder 71 is moved to the vertical position with the swiveling cylinder 71 retracted, the hand is moved as shown by the imaginary line in FIG.
81 becomes close to the front facing magazine 11 at a predetermined position, and is in a state of facing the take-out device 5 with the magazine 11 sandwiched therebetween.
Here, the movable member 89 is moved away from each other by the opening / closing cylinder 93 to open the pawl 97, and the bearing metal 13 is extruded from the magazine 11 by the ejecting cylinder 59 as described above. Move to 81. Next, the claw 97 is closed by the opening / closing cylinder 93 to hold the bearing metal 13, and then the swivel base 65 is horizontally tilted by the swiveling cylinder 71. After that, when the insertion cylinder 79 is extended, the hand 81 moves forward and the bearing metal 13 held by the hand rod 81 is mounted on the connecting rod 119 waiting forward. After the device, the insertion cylinder 79 is retracted to retract the hand 81.

On the other hand, the connecting rod 119 is conveyed to a predetermined position while being placed on the pallet 117. 14 and 15 are a plan view and a vertical side view of the pallet, respectively. In this example, two types of connecting rods can be placed on one pallet, and the pallets are shared to reduce the number of types of pallets by half.

As shown in FIG. 14 and FIG. 15, an abutment 121 for mounting the connecting rod 119 is fixed to the upper surface of the pallet 117,
On the abutment 121, the receiving part is located at the shoulder of the connecting rod 119.
123 is projected. Further, a connecting rod positioning hole 125 into which a positioning lever 141 of a clamp 139, which will be described later, is fitted is formed on the upper surface of the abutment 121 at a position where a large edge of the connecting rod 119 is located.
Is recessed.

A pallet positioning hole 127 is formed in the pallet 117 corresponding to each abutment 121, and a horizontal guide roller 129 and a vertical guide roller 131 are pivotally mounted on the lower surface of the rear portion of the pallet 117. On the other hand, a plate chain conveyor 133 and a guide rail 135 are laid in parallel with the connecting rod bearing metal mounting device described above, and the pallet 117 has its front part placed on the plate chain conveyor 133 and a rear guide roller. In a state where the guide rails 135 and 129 and 131 are engaged with each other, the plate chain conveyor 133 is driven to convey them. Two positioning rods 137 are arranged between the plate chain conveyor 133 and the guide rail 135 so as to face the hand device 3, and the positioning rods 137 are projected upward to position the pallet 117 on the pallet. The pallet 117 is positioned on the transport path by being fitted into the hole 127.

Here, the pallet 117 is designed to be used with the connecting rod 119 placed on either one of the two abutments 121 depending on the connecting rod type. The space between the adjacent pallets 117 that have been conveyed is the same as the space between the two sets of hand devices 3 and the space between the two positioning rods 137. Therefore,
When the two positioning rods 137 are projected upward, they are respectively fitted into the pallet positioning holes 127 on the side where the connecting rod 119 of the two adjacent pallets 117 is mounted, and both pallets 117 are mounted. Positioning is performed with the connecting rod 119 facing the hand device 3.

Further, a clamp device for the connecting rod 119 on the pallet 117 is arranged above the positioning rod 137. Figure 16,
FIG. 17 and FIG. 18 are a plan view, a side view, and a front view, respectively, in a state in which the connecting rod is held.

As shown in FIGS. 16, 17, and 18, the clamp 13
9 is located above the pallet 117 positioned by the positioning rod 137, and is vertically driven by a drive source (not shown). The clamp 139 includes two positioning levers 141 that are fitted into the connecting rod positioning holes 125 of the pallet 117, a pressing surface 143 that contacts the upper surface of the receiving portion 123, and two adjusting pins 145 that adjust the position of the connecting rod 119. The hand 81 has a protrusion 149 having two hand positioning holes 147 into which the positioning pins 113 and 115 of the hand 81 are fitted. The distance between the two positioning levers 141 is slightly larger than the width of the connecting rod 119 (for example, about 0.1 mm). The two positioning levers 141 are fitted into the connecting rod positioning holes 125 so that the connecting rods 119 can be moved from both sides in the width direction. In the sandwiched state, the connecting rod 119 is allowed to move a little in its width direction so as to have a play. Further, the height of the receiving portion 123 is slightly higher than the thickness of the connecting rod 119, and the pressing surface 143 of the clamp 139 is brought into contact with the receiving portion 123 to clamp the clamp 1.
The connecting rod 119 can be slightly moved in its thickness direction with the connecting rod 39 positioned above the connecting rod 119. That is, the connecting rod 119 has play in the width direction and the pressing thickness direction while being pressed by the clamp 139, and the head of the bolt 151 of the connecting rod 119 is received in the left-right direction in FIG. 16, that is, the direction in which the bearing metal 13 is pushed. The movement of the portion 123 is restricted by hitting the side surface of the portion 123. On the other hand, the hand positioning hole 147 is provided to accurately position the hand 81 with respect to the connecting rod 119.

Therefore, when the pallet 117 is positioned at a predetermined position,
The clamp 139 descends and the connecting rod 119 is clamped,
Then, by operating the insertion cylinder 79 of the hand device 3, the hand 81 holding the bearing metal 13 moves the connecting rod 11 to the connecting rod 11.
Proceed toward 9. Positioning pin 1
13, 115 are fitted into the hand positioning hole 147 of the clamp 139, the hand 81 and the connecting rod 119 are centered, and the hand 81 is further advanced to move the bearing metal 13 to the connecting rod.
Installed in 119. Now, as mentioned above, connecting rod 1
Since 19 can be slightly moved in the width direction and the thickness direction, even if the positions of the hand 81 and the connecting rod 119 are slightly deviated, the connecting rod 119 is appropriately moved as the hand 81 advances, so that the bearing metal 13 It is possible to accurately mount.

In this way, the pallet 117 is positioned on the transport line, the magazine 11 is selected, and the pressing device 51 makes the magazine 11 face the hand device 3. Then, the take-out device 5 moves the bearing metal from the magazine 11. When the hand device 3 is transferred to the hand device 3 and the hand device 3 mounts the bearing metal 13 on the connecting rod 119 on the pallet 117, the bearing metal 13 is automatically attached.

In addition, in the above-mentioned embodiment, an example in which the bearing metal is attached to the body side of the connecting rod is described. However, it is needless to say that this mounting device can be used even when the bearing metal is attached to the cap side of the connecting rod. Can change the shape of the pallet and clamp accordingly.

<Advantages of the Invention> As described above in detail with reference to the embodiments, according to the mounting member supply device of the present invention, the mounting member can be automatically supplied to the supply position, and the work efficiency is improved. be able to. Then, at this time, the plurality of mounting members can be supplied simultaneously and in parallel by defining the swinging positions of at least two magazines so as to face the supply position by the magazine pressing means.

[Brief description of drawings]

FIG. 1 is a front view of the entire connecting rod bearing metal mounting device according to an embodiment of the present invention, FIG. 2 is a plan view thereof, and FIG. 3 is a plan view of a disc portion of a magazine device, FIGS. 4 and 5. The figures are the plan view and vertical side view of the magazine attachment, respectively.
Figures 7, 7 and 8 are side, front and plan views of the take-out device and the pressing device respectively, Fig. 9 is a vertical cross-sectional view of the lower part of the magazine, and Figs. 10 and 11 are hand devices respectively. Plan and side views of the tip, FIGS. 12 and 13 are plan and front views of the hand part, respectively, and FIGS. 14 and 15 are plan and longitudinal side views of the pallet, respectively, and FIG. 16 and FIG. 17
FIG. 18 and FIG. 18 are a plan view, a side view, and a front view of a pallet, a connecting rod, and a clamp that hold a connecting rod, respectively. In the drawings, 1 is a magazine device, 3 is a hand device, 5 is an ejecting device, 11 is a magazine, 13 is a bearing metal, 45 is a positioning cylinder, 51 is a pressing device, 71 is a swiveling cylinder, 79 is an inserting cylinder, and 81. Is a hand, 117 is a pallet, 119 is a connecting rod, and 139 is a clamp.

Claims (1)

[Scope of utility model registration request] 1. A base installed at a predetermined position, a disk rotatably supported by the base, and a disk provided on the base and having a predetermined size with respect to the base. Positioning means capable of indexing to a rotational position, and a plurality of positioning means arranged at predetermined intervals along the circumferential direction on the end edge of the disk and supported so as to be swingable around an axis parallel to the axis of rotation of the disk. And a plurality of magazines each accommodating a plurality of mounting members in a stack, and at least one of the plurality of magazines when the disc is indexed to a predetermined rotational position by the positioning means provided on the base. A magazine pressing means for pressing the two magazines to the outside of the disc at the same time to define the swing position of the two magazines at a position to directly face the supply position, and the magazine pressing means on the base. By the magazine pressing means And at least two magazines defined in the swinging position, the mounting members housed therein are ejected at the same time and in parallel to the feeding positions, respectively, and the mounting member feeding device is provided. .