JPH0720104Y2 - Device for picking up and transferring finished products with assembled pistons and rods - Google Patents

Description

[Detailed Description of the Invention] (Industrial field of application) The present invention is designed to store a completed assembly of a piston and a connecting rod, which is conveyed horizontally by a conveyor in a horizontal state with a constant longitudinal direction, in a predetermined storage case. The present invention relates to a device for taking out and transferring a completed product in which a piston and a connecting rod are housed.

(Problems to be solved by conventional techniques and devices) When assembling a piston or connecting rod used in an engine of an automobile or a motorcycle into an engine, it is necessary to integrally attach the piston and the connecting rod in advance. is there.

In this case, the piston and connecting rod are placed on the specified assembly pallet and moved to the specified assembly device on the conveyor, while the piston, piston ring, etc. are mounted, and finally the assembly The assembled finished product in which the piston and the connecting rod are integrally assembled on the pallet is placed in a horizontal state with its longitudinal direction oriented in a fixed direction.

After that, it is necessary to put this assembled finished product in a storage case and convey it to an engine assembly line or the like. However, how to store this assembled finished product in this storage case becomes a problem. That is, in consideration of taking out from the storage case, it is necessary to store the assembled finished product in this storage casing in an orderly manner, and to store as many assembled finished products as possible in a storage case of a certain size. In addition, it is required that the storage work be quick and the device be as simple as possible.

The present invention has been made to solve the above problems, and its purpose is to store as many assembled products of pistons and connecting rods in a storage case as possible, and to store them. It is an object of the present invention to provide a device for picking up and transferring a completed product of assembled piston and connecting rod which is quick and simple in device.

(Means for Solving Problems) A means for solving the above problems is to provide a completed assembly product of a piston and a connecting rod, which is conveyed by a conveyor in a horizontal state and a longitudinal direction thereof is constant. In a transfer device for storing in a predetermined storage case, the connecting rod arm of the assembled finished product is clamped and raised in a horizontal state, and at a height that does not interfere with other assembled finished products on the conveyor. The take-out device for rotating and rotating the assembled assembled product piston vertically downwards and supporting it, and the piston with the piston positioned vertically downward for clamping the large end of the assembled rod and the steady rest guide member. A transfer device that holds the outer periphery of the piston, receives the assembled finished product from the take-out device, and transfers the assembled finished product into the predetermined storage case. is there.

(Operation) According to the above means, the assembled product of the piston and the connecting rod can be stored with the piston standing upright, and as many assembled products as possible can be stored in a stable and orderly manner in the storage case. .

At this time, when the posture of the assembled finished product in the horizontal posture is changed to the vertical posture by the take-out device, by lifting and rotating the conveyor above the conveyor, the upper and lower spaces can be effectively utilized without horizontally expanding the space. Moreover, it is not necessary to stop the conveyor by lifting and rotating it to a position where it does not interfere with other assembled finished products on the conveyor.

In addition, in the assembled product consisting of the piston and the connecting rod, the relative position of the connecting part is likely to change because the connecting part is pivotally attached, and especially the transfer device clamps the large end of the connecting rod and suspends the piston. In such a case, the steady movement of the piston is stabilized by holding the outer circumference of the piston by the steady rest guide member.

(Embodiment) Next, a preferred embodiment of the present invention will be described in detail with reference to the accompanying FIGS. 1 to 7.

FIG. 1 shows an overall plan view of the present embodiment, in which an assembling pallet P on which a completed assembly 1 of a piston 2 and a connecting rod 3 is placed conveys the assembling pallet P, It is positioned on a predetermined position of the conveyors C arranged at the front and rear. A storage case B for storing and transporting the assembled finished product 1 is arranged on the left side of the conveyor C, and a horizontally assembled finished product 1 on the assembly pallet P is arranged on the right side of the conveyor C. After being lifted up to a predetermined height, a take-out device 10 for rotating and supporting the piston 2 vertically downward as shown in FIG.
Is provided.

Further, a transfer device 40 is provided above the take-out device 10 and the storage case B so as to traverse the conveyor C to the left and right. The transfer device 40 is taken out as shown in FIG.
The assembled product 1 of the piston 2 and the connecting rod 3 is received from and is moved up and down, front and back, and left and right to be stored in the storage case B.

Here, the piston 2 is placed on the assembly pallet P.
An example of the completed assembly 1 of the connecting rod 3 and the connecting rod 3 will be described with reference to FIG. 3. A piston mounting table P2 is provided at the rear end of the transfer base P1 of the mounting pallet P, and the piston mounting table P2 is provided.
The piston 2 is placed sideways on P2, and the clamp device
It is clamped from both sides by P3, and a connecting rod mounting table P5 that slides on the slide rail P4 to the piston 2 side is provided at the front end side of the transfer base P1.
The connecting rod 3 is placed on P5.

That is, in the connecting rod 3, the connecting hole 3a-1 of the large end portion 3a is fitted into the positioning projection P6 on the connecting rod mounting table P5, and the arm portion
The small end 3c side of 3b is positioned to the left and right by the steady rest member P7, and the movement of the connecting rod mounting table P5 to the piston 2 side causes the through hole 3c of the connecting rod small end 3c as shown in FIG.
-1 and the piston pin engaging hole 2a of the piston 2, the piston pin 4 is inserted, and the clip 5 for restricting the movement of the piston pin 4 is attached, and the assembly of the piston 2 and the connecting rod 3 is completed. There is. The arm of the connecting rod 3
A gap S for holding the assembled product 1 of the piston 2 and the connecting rod 3 is formed between the lower surface of 3b and the connecting rod mounting table P5. Further, 3d is an oil scraping portion of the connecting rod 3, and P8 is a buffer stopper for the assembling pallet P.

Next, the take-out device 10 will be described mainly with reference to FIGS. 4 and 5. The take-out device 10 is provided on the right side of the conveyor C at a height substantially equal to the height of the conveyor C. As shown in FIG. A vertically movable base 13 is slidably supported by a drive source (not shown) via book guide bars 12, 12.

As shown in FIG. 4, a receiving member 15 that slidably supports a long extending support bar 14 on the left side of the conveyor C is fixed to the outer upper portion of the upper and lower base 13, and the receiving member 15 is provided. A right and left moving cylinder 17 connected to the spherical portion 14a at the right end of the support bar 14 via a connecting member 16 is provided at the upper part of the support bar 14, and the left and right moving cylinder 17 causes the support bar 14 to move left and right. . A support member 18 that is vertically oriented is fixed to the left end of the support bar 14 on the side of the conveyor C, and the lower surface of the support member 18 extends to the side of the conveyor C and extends to the side of the conveyor C. Below the portion 3b, that is, in the gap S in FIG. 3,
A lower sandwiching member 19 to be inserted into is fixed. In addition, the left portion 18a of the support member 18 is provided with the arm portion 3b of the assembly finished product 1.
Assembled finished product 1 by pressing the upper part and the lower clamping member 19
An L-shaped upper sandwiching member 20 for sandwiching and supporting is pivotally supported.

The upper sandwiching member 20 is opened and closed vertically by a sandwiching cylinder 21 attached to the support member 18 about its supporting shaft 20a. Further, a guide member 22 is attached to the lower right side of the lower sandwiching member 19, and the guide member 22 is fitted in a longitudinal groove 23a which vertically penetrates a guide member 23 extending leftward from the rotary plate 24. The rotary plate 24 is pivotally supported on the left end of the receiving member 15, and a rod 25a of a rotary cylinder 25, one end of which is pivotally supported on the upper and lower bases 13, as shown in FIG. The rotary plate 24 is pivotally attached to the plate 24, and the rotary plate 24 is rotatable about the support bar 14 in the clockwise direction in FIG.
Incidentally, 26 is a stopper of the rotary plate 24 fixed to the upper and lower base 13.

The operation of the take-out device 10 will be described below.
Is moved to a predetermined height along the support base 11, the support bar 14 is positioned at a predetermined position on the conveyor C by the left and right moving cylinders 17, and the completed assembly product of the piston 2 and the connecting rod 3 on the assembly pallet P. Extends toward 1 and lower clamp 17
Is inserted into the gap S below the arm portion 3b, and the upper sandwiching member 20 is positioned above the arm portion 3b. In this case, the guide member 22 moves in the longitudinal groove 23a of the guide member 23, so that the vertical swinging of the upper and lower clamping members 19, 20 and the like is restricted.

The tip end portion of the upper clamping member 20 is rotated downward by the clamping cylinder 21, and the assembled finished product 1 is clamped and held by the upper and lower clamping members 19 and 20. After that, when the upper and lower bases 13 are raised to a predetermined height along the support base 11, the rod 25 of the rotary cylinder 25 is moved.
a is extended and the rotary plate 24 is centered on the support bar 14 in FIG.
It rotates clockwise by 0 degrees and becomes the state of the chain line in FIG. In this case, the upper and lower clamping members 19, 20 etc. are the guide member 23 and the guide member 2
Similarly, the assembled finished product 1 also rotates so that the piston 2 is oriented vertically downward. This is the state shown by the chain line in the center of FIG. In this case, the support bar 14 also rotates, but since the spherical surface portion 14a at the right end of the support bar 14 slides on the connecting member 16, the left and right moving cylinders 17 and the like do not rotate.

Next, the transfer device 40 will be described. First, Fig. 1 and 2
The overall structure will be described with reference to the drawing.
A front and rear support base 41 is supported in the front-rear direction along the storage case B (see FIG. 2) on the upper part 70a of the base 70 disposed above, and a support member is provided on the inner surface of the front-rear support base 41 on the conveyor C side. 42
A left and right support base 43 is supported by a drive source (not shown) so as to be slidable back and forth.

The left and right support bases 43 extend to the left so as to traverse the conveyor C and extend to the left end of the storage case B.
On the rail 43a, a left and right moving member 44 that is movable left and right by a drive source (not shown) is slidably supported. Two guide rails 45, 45 are vertically slidably inserted in the left and right moving member 44, and are fixed to the left and right moving member 44 at a connecting portion 48 above the guide rails 45, 45. Vertical movement cylinder 46
The tip end of the rod portion 46a of the guide rail 45 is connected, and a grip guide portion 50 for receiving the assembled product 1 of the piston 2 and the conveyer 3 from the take-out device 10 is fixedly attached to the connecting portion 47 below the guide rails 45, 45. There is.

The gripping guide portion 50 is as shown in FIGS. 5 to 7, and the connecting rod large end portion of the assembled finished product 1 is provided at the lowermost end portion.
Two sandwiching members 51, 51 for sandwiching 3a are attached, and four guide members 52, ... For preventing the piston of the assembled finished product 1 from swinging are attached to a slightly upper portion 53 thereof. Five
Reference numeral 4 is a rotary drive source for changing the orientation of the assembled finished product 1 by horizontally rotating the lower sandwiching members 51, 51 and the like around a vertical axis, and 55 is 2
It is an opening and closing drive source that opens and closes the one sandwiching member 51, 51.
Is a drive source for moving the guide members 52, ... In the direction of the center of the piston 2 as shown in FIG.

The operation of the transfer device 40 will be described. First, the grip guide portion 50 of the transfer device 40 is moved forward and backward and left and right by the front and rear support base 43 and the left and right moving members 44, and the piston 2 is moved downward by the take-out device 10. The connecting rod large end 3a is positioned directly above the assembled finished product 1 supported upward. After that, the gripping guide portion 50 is moved by the vertically moving cylinder 46 so that the holding member 5
1, 51 descend to a position where they sandwich the parallel surface of the connecting rod large end 3a. In this case, the four guide members 52, ... Are slightly open outward, and the upper and lower sandwiching members 19, 20 of the take-out device 10 are opened.
Dodge and move to the side of the piston 2.

Next, when the connecting rod large end is sandwiched and supported by the sandwiching members 51, 51 of the grip guide unit 50, the four guide members 52, ...
The piston 2 is prevented from swinging, and the upper and lower clamp members 19 and 20 of the take-out device 10 are opened and retracted to the right of the conveyor C. The assembled product 1 of the piston 2 and the connecting rod 3 supported by the transfer device 40 is once lifted up to a predetermined height by the vertical movement cylinder 46, and then is stored in the storage case B by the front and rear support base 43 and the horizontal movement member 44. It is positioned front and back and left and right on a predetermined position above. When the assembled finished product 1 is lowered by the vertically moving cylinder 46 and the lower surface of the piston 2 comes into contact with the storage case 13, the sandwiching members 51, 51 are opened and the guide members 52, ... Are moved slightly away from the piston 2. Transfer device 4
The grip and guide of the assembled finished product 1 by 0 are released.

In this case, the connecting rod 3 is supported by the piston 2 in a slightly inclined state, but the connecting rod 3 is always inclined in a fixed direction, that is, the oil scraping portion 3d side due to the displacement of the center of gravity of the large end of the connecting rod. The assembled finished product 1 is stored in the storage case B in an orderly manner.

Depending on the shape of the storage case B, the assembly-completed product 1 may be rotated in a predetermined direction and stored by the rotary drive source 54 of the grip guide unit 50 of the transfer device 40.

When a predetermined amount of the assembled finished product 1 is stored in the storage case B by repeating the work of the take-out device 10 and the transfer device 40 as described above, the storage case B is transferred to the engine assembly line by the transfer conveyor 71 or the like. To be done.

As described above, according to the present invention, the assembled product of the piston and the connecting rod can be stored in the storage case in a state in which the piston is erected downward and the posture of the piston is stabilized.
As many assembled finished products as possible can be stored in a predetermined storage case in a stable and orderly manner.

Further, the apparatus according to the present invention is divided into a take-out device for raising the assembled product in the horizontal state to raise it to the vertical state and a transfer device for transferring the assembled product in the vertical state to the storage case. The whole device can be easily put together, and the completed assembly product is clamped by the take-out device at the connecting rod arm, and the transfer device is clamped at the large end of the connecting rod. The completed assembly product can be delivered and received smoothly by the transfer device, and the work can be speeded up.

Also, by changing the posture of the assembled finished product on the conveyor,
The space above and below the space can be effectively used.

[Brief description of drawings]

1 is an overall plan view of the apparatus, FIG. 2 is an overall side view of the apparatus, FIG. 3 is a sectional view of an assembled state of a piston and a connecting rod mounted on an assembly pallet, and FIG. Is a partial cross-sectional side view of the take-out device, FIG. 5 is a front view of the grip guide part of the take-out device and the transfer device, and FIG. 6 is a side view of the grip guide part of the transfer device (the guide member 52 is omitted). FIG. 7 and FIG. 7 are bottom views of FIG. In the drawing, 1 is a completed assembly of the piston and connecting rod,
Reference numeral 2 is a piston, 3 is a connecting rod, 3a is a large end portion, 3b is an arm portion, 10 is a take-out device, 40 is a transfer device, B is a storage case, and C is a conveyor.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kouki Yamamoto 1-23-30 Izumi, Higashi-ku, Nagoya, Aichi Prefecture Matsushita FA Engineering Co., Ltd. (72) Toru Horiguchi 1-23 Izumi, Higashi-ku, Aichi Prefecture -30 Within Matsushita FA Engineering Co., Ltd. (56) Reference JP-A-56-117918 (JP, A) JP-B 49-34062 (JP, B1) JP-B 53-36231 (JP, B2) JP Showa 53-6669 (JP, Y2) Showa 56-597 (JP, Y2)

Claims (1)

[Scope of utility model registration request] 1. A take-out transfer device for storing a completed assembly product of a piston and a connecting rod, which is conveyed in a horizontal state and has a constant longitudinal direction in a conveyor by a conveyor, in a predetermined storage case. Clamp the connecting rod arm of the finished product and raise it in a horizontal state, then rotate it in a predetermined direction at a height that does not interfere with other assembled finished products in a horizontal state on the conveyor, and move the piston of this assembled finished product. A take-out device for positioning and supporting vertically downwards, and a set-up device in which the piston is positioned vertically downward and the large end of the connecting rod of the assembled finished product is clamped and the outer circumference of the piston is held by a steady rest guide member. A transfer device for picking up an assembled finished product of a piston and a connecting rod, which comprises a transfer device for receiving the assembled finished product and transferring the assembled complete product into the predetermined storage case.