JPH0625451Y2 - Article transfer device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Use The present invention relates to a device for changing an attitude of an article received in one direction in a manufacturing line and sending the article to the other direction.

(B) Conventional technology In the manufacturing line, various devices have been proposed in order to send an article received from one direction in a certain posture to another direction by changing the posture.

In the apparatus described in Japanese Patent Laid-Open No. Sho 56-161210, a bucket conveyor that can store articles one by one is provided in order to supply the articles. The article is pushed into the bucket by the first cylinder and intermittently transferred by the bucket conveyor. At any position of the bucket conveyor, a rotor and a rotor rotation mechanism that can rotate 180 degrees about the axis and can move up and down are provided. The parts in the bucket are pushed into the rotor by the second cylinder. The rotor detects the direction of the article by the direction detection mechanism, and if the direction is opposite to the predetermined direction, 180 °
Rotate. In addition, the rotor is lowered by the rotor lifting mechanism,
In the lowered position of the rotor, the third cylinder pushes the articles in the rotor onto the conveyor of the assembly line.

Further, as a large scale, an example of an article conveying device in an automobile assembly line can be found in Japanese Patent Laid-Open No. 63-272427.

(C) Problems to be Solved by the Invention In the device described in Japanese Patent Laid-Open No. Sho 56-161210,
Due to the configuration in which a plurality of cylinders are used to push out the article and the rotor is used to change the direction of the article, the apparatus cost is increased. The present invention has been made in view of this point, and an object of the present invention is to provide an apparatus capable of pushing and changing the direction of an article with a single actuator.

(D) Means for Solving the Problems In the present invention, a slide block that performs linear movement and a first block
A pressing block that presses the slide block via a spring, an actuator provided in the pressing block, and a groove-shaped article receiving portion, and is rotatably supported by the sliding block, and by a second spring, A rotating block that is constantly urged to maintain a constant angle with respect to the slide block, and when the pressing block slides the slide block by the actuator, receives the rotating block and resists the second spring. The rotation block is rotated, and after the rotation block rotates by a predetermined angle, the stopper that also stops the sliding of the slide block and the projection that protrudes from the pressing block and the slide block is stopped by the stopper, and then the rotation block And an ejector rod for ejecting an article from the article receiving section.

(E) Action In the above device, when the article is housed in the groove-shaped article receiving portion of the rotation block, the slide block is slid through the pressing block by the actuator. When the slide block slides, the rotary block also slides in a state in which the articles are accommodated, but when it hits the stopper, the rotary block rotates against the second spring. The stopper rotates the rotating block by a predetermined angle and then stops it. The slide block also stops at the same time. Since the pressing block continues to move, the ejection rod moves relative to the slide block and ejects the article from the article receiving section.

(F) Embodiment FIG. 1 shows the structure of the article transfer device 1. 2 is the base,
A first air cylinder 3 is fixed to the lower surface of the base 2 in an upward direction. The rod 4 of the air cylinder 3 penetrates the base 2, and an extension rod 5 is fixed to the tip portion thereof. Reference numeral 6 denotes an article conveyor that extends in a direction perpendicular to the paper surface, and intermittently conveys the article 7 by a drive source (not shown). The extension rod 5 is inserted into a predetermined position of the article transport conveyor 6, and the tip end surface thereof appears as a transport plane. When the rod 4 of the air cylinder 3 is extended, the extension rod 5 rises and pushes the article 7 from the article conveyor 6. Reference numerals 8 and 9 denote decks, which are fixed to the base 2 via columns 10 and 11, respectively. A mounting angle 12 is mounted on the upper surface of one deck 9, and an air cylinder 13 which is an actuator is mounted horizontally. The rod 14 of the air cylinder 13 penetrates the mounting angle 12, and its tip is fixed to the pressing block 15. 16
Is a connecting plate, the upper end is fixed to a slide block 26 described later, and the bearing 17 is fixed to the lower end. A protruding rod 18 protruding from the pressing block 15 is fitted in the bearing 17. The tip of the protruding rod 18 that penetrates the connecting plate 16 is a large-diameter portion. The protruding rod 18 is parallel to the rod 14 of the air cylinder 13. A compression coil spring 19, which is a first spring, is fitted between the bearing 17 and the pressing block 15 to keep the distance between the connecting plate 16 and the pressing block 15 constant. Support plates 22 and 23 are fixed to the upper surfaces of the decks 8 and 9, and rails 24 connect the upper ends of the respective side surfaces. Reference numeral 25 denotes a slider, which is supported by the rail 24 and slides in parallel with the forward / backward direction of the protruding rod 18. Reference numeral 26 is a slide block fixed to the slider 25. A vertical shaft 27 is rotatably supported by the slide block 26, and a rotary lever 28 having an L-shaped planar shape is fitted to the lower end thereof. A roller 29 that abuts a stop plate 32 fixed to the support plate 22 is attached to one end of the rotating lever 28, and a bolt 30 is screwed to the side surface of the other end. The tip of the screw portion of the bolt 30 has a turning lever 28.
Penetrates through. Slide block 26 and rotating lever 2
A torsion spring 31, which is a second spring, is provided in the gap 8 so as to be fitted to the shaft 27. Torsion spring 31
Both ends of are engaged with the rotating lever 28 and the slide block 26, and the rotating lever 28 is biased by the torsion spring 31 in the counterclockwise direction in FIG. The relative angle between the turning lever 28 and the slide block 26 is the bolt 30.
The tip end of the contact point abuts on the side surface of the connecting plate 16 so that it is kept constant. A rotation block 33 is fixed to the lower surface of the rotation lever 28. On the lower surface of the rotation block 33,
A groove-shaped article receiving portion 34 for accommodating the article 7 pushed up by the article transport conveyor 6 is formed. 35 is a support plate 22
Is a mounting plate attached to the side surface of the. A stopper bolt 36 is screwed onto the mounting plate 35. The stopper bolt 36 stops the slide block 26 and cooperates with the stop plate 32 to rotate the rotation lever 28 and the rotation block 33.
Plays the role of a stopper to stop the rotation of the. 40 is a horizontal conveyor, the entrance of which is adjacent to the deck 8,
The articles 7 are conveyed in a direction perpendicular to the article conveyance direction of the article conveyor 6.

Next, the operation will be described. When the articles 7 are intermittently transferred by the article conveyor 6 and stopped at a predetermined position,
The air cylinder 3 extends the rod 4 and raises the extension rod 5. Then, the head of the article 7 enters the article receiving portion 34 of the rotation block 33, and the bottom surface of the article 7 is maintained at the same level as or slightly higher than the top surface of the deck 8 (FIGS. 2 and 6). ). Next, the air cylinder 13 becomes the rod 1.
When 4 is retracted, pressure is applied to the connecting plate 16 via the compression coil spring 19, and the slide block 26 slides from right to left in the figure. The rotating lever 28 also tries to slide as the slide block 26 slides, but the roller 29 is blocked by the stop plate 32, and while sliding, resisting the biasing force of the torsion spring 31, In FIG. 7, it rotates clockwise about the shaft 27. The rotation block 33 also rotates while sliding with the rotation lever 28 while accommodating the article 7, and the article 7 moves onto the deck 8. At the same time, the air cylinder 3 retracts the rod 4, and the extension rod 5 returns to the original position (state of FIG. 1) (FIG. 3). When the air cylinder 13 further retracts the rod 14, the slide block 26 contacts the stopper bolt 36, and the slide block 26 stops. At the same time, the rotation lever 28 also stops rotating. At this time,
The rotating lever 28 and the rotating block 33 have been rotated 90 ° from the time when the article 7 was initially stored, and the article 7 has turned 90 ° (FIGS. 4 and 8). When the air cylinder 13 further retracts the rod 14, only the protruding rod 18 slides while pushing the slide block 26, and the article 7 is pushed out from the article receiving section 34 (FIGS. 5 and 9). Thereafter, the same operation is repeated, and the articles 7 are sequentially pushed out one by one, placed on the conveyor 40, and sent to the next step.

The article transfer apparatus of this embodiment can be used for such purposes as picking up and discharging only defective articles in an assembly line.

(G) Effect of the Invention In the present invention, a slide block and a rotation block that is rotatably supported by the slide block and has a groove-shaped article receiving portion are provided, and while the slide block is being slid by the actuator, Since the rotating block also rotates a predetermined angle while containing the article, and the slide block and the rotation of the rotating block are stopped, the article is ejected by the ejecting rod, so that the actuator is used to Extrusion and direction change can be performed, and the device cost can be reduced.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention, FIG. 1 to FIG. 5 are front views of an article transfer device showing different operating states, and FIGS. 6 to 9 are plan views of the article transfer device. Shows different operating states. 1 ... Article transfer device, 7 ... Article, 15 ... Pressing block, 18 ... Extrusion rod, 19 ... Compression coil spring (first spring), 26 ... Slide block, 31 ...
Torsion spring (second spring), 33 ... Rotation block, 3
4 ... Article receiving part, 32, 36 ... Stop plate and stopper bolt (stopper).

Claims (1)

[Scope of utility model registration request] 1. A slide block for linear movement, and a first block.
Has a pressing block that pushes the slide block via a spring and a groove-shaped article receiving portion, is rotatably supported by the slide block, and is constantly supported by the second spring at a constant angle with respect to the slide block. A rotation block biased to maintain the rotation block, and when the pressing block slides the slide block, the rotation block receives the rotation block, rotates the rotation block against the second spring, and rotates the rotation block. A stopper that also stops the sliding of the slide block after the moving block rotates by a predetermined angle; An article transfer device provided with.