JPH06183553A - Method and device for transferring article while holding proper attitude - Google Patents

Abstract

PURPOSE:To surely convey an article from its supply position to conveying position even when the article is formed in different shape and size. CONSTITUTION:An in/out movable sucker board 3 and fixed bars 4 are protrusively provided in an article sucker means 2 for transferring an article sucked. Thus in the case of fixing a transferred object G sucked by the sucker board 3, the transferred object G is brought into contact with point ends of the fixed bars 4, to control positioning and sucked attitude. Thereafter, the article sucker means 2 is front/rear right/left turned or moved in a vertical direction, to surely transfer the article to the destination.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for transferring an article in a correct posture for surely transporting the article from a supply position to a transport position even if the article has different shapes and sizes. .

[0002]

When transferring articles such as tablets and containers,
There is a system in which a part of an article is sucked by a suction plate and the suction plate is moved. And, one or two or more of the suction cups are used depending on the size and shape of the article.

[0003]

However, in the method of adsorbing and moving an article, only one or two suction cups for adsorbing the article are installed.
The posture of the article is unstable, and the article cannot be held in the correct posture because it shakes or the suction position shifts.For this reason, the article may come into contact with other equipment or be damaged during transportation. is there.

An object of the present invention is to accurately suck and fix an article at the suction point of the article, prevent shake and position shift, and hold the article in a correct posture for reliable transport.

[0005]

SUMMARY OF THE INVENTION The present invention has been made to achieve the above-mentioned object, and an article adsorbing means for adsorbing and transferring an article is provided with a retractable suction disk and a fixing rod, When sucking and fixing the transferred object with the suction plate, after the transferred object is brought into contact with the tip of the fixed rod to control the positioning and the suction posture,
A first aspect of the invention in which the article adsorbing means is moved forward, backward, leftward, rightward, swivel, or up and down to surely transfer the article to a destination, and an outer periphery of a rotary drive body that adsorbs and transfers the article. In addition, a large number of article suction means are provided at regular intervals in the circumferential direction, and a suction board for adsorbing and holding an article on each article suction means, and a plurality of attitude control fixings around the suction board. According to a second aspect of the invention, which comprises a rod and an adjusting means for adjusting the protruding amount and the protruding position of the fixing rod, the posture of the item is properly adjusted from the supply position of the item to the carry-out position. Keep it and transport it securely.

[0006]

[Operation] A suction plate and a plurality of fixing rods are arranged around the suction plate, and when the product is sucked and fixed by the suction plate, the suction posture of the product is fixed because the product is pressed against the tip of the fixing rod. Therefore, it can be accurately conveyed without being shaken by vibration or the like during conveyance and without causing positional displacement. Further, since the fixing rod has an adjustable protrusion amount and position, the tip of the fixing rod can abut according to the shape of the article and the like, and the article can be stably transported even if the shape or the like of the article is different.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A method and apparatus for transferring an article in a correct posture according to the present invention will be described below with reference to the illustrated embodiments. In FIG. 1, reference numeral 1 denotes a loop body such as an endless chain, or a rotary drive body such as a turntable. A required number of article supply stations S1 and article carry-out stations S2 are provided along the outer periphery of the rotary drive body 1, respectively. The article G is arranged at a predetermined position, sucks the article G from the article supply station S1 to the carrying station S2, and carries the article G in a correct posture.

On the outer peripheral surface of the rotary drive body 1, a large number of article adsorbing means 2, 2, ... Are provided at predetermined intervals in the circumferential direction of the rotary drive body 1. The article suction means 2 includes one or two suction plates 3
And at least two fixing rods 4 arranged around the suction plate 3 and means 5 for adjusting the protrusion and position of the fixing rods, which are attached to the main body 20.

The main body 20 is a block body, which is fixed to the rotary drive body 1 or is rotatable with respect to a vertical support shaft 11 projecting from the rotary drive body 1 as shown in FIG. It is configured to be slidable in the vertical direction and fixed at a predetermined position and angle. This allows the support shaft 11 to pass through the inside of the main body 20, and the fixing screw 12 provided on the main body 20 is tightened to press the support shaft to fix the main body 20 at an arbitrary position on the support shaft. It should be noted that one or two upper and lower suction means 2 for adsorbing articles are fixed to each of the support shafts provided at regular intervals in the rotary drive member so as to be vertically movable along the support shafts. Can be adjusted arbitrarily,
It can be fixed.

Guide rods 31, 31 penetrating the main body 20 are slidably supported, and a front and rear slide 30 is fixed to the tips of the guide rods 31, 31. By attaching the train wheel guide plate 32 to the rear end, interposing a spring 33 between the guide plate 32 and the main body, and pressing the guide plate 32 by an adjusting means (not shown) provided on the rotary drive side. , The guide rod 31 is slid against the spring to move the front-rear slide 30 in the front-rear direction while keeping the front-rear slide 30 always in parallel, and the position of the front-rear slide 30 with respect to the main body is adjusted.
A suction plate 3 is provided on the front surface of 0. The suction board 3 sucks an article by vacuum, and is connected to a vacuum source through a pipe or sucked by itself.

Guide grooves 34 and 35 are formed on the surface of the front-rear slide 30 in the front-rear direction and in the lateral direction which is the same direction as the movement of the suction means 2, respectively, and the guide grooves 34 and 35 are placed on the front-rear slide. The guide piece 40G of the left-right adjustment guide 40 is fitted, and the guide 40 is supported along the guide groove 34 so as to be slidable in the front-rear direction on the slide front and rear slides. 20 is fixed to the tip of guide rods 41, 41 slidably supported therethrough.
The left and right train guide plates 42 are fixed between the reciprocating movements of 1, and the spring 43 is interposed between the guide plates 42 and the main body 20. Like the guide 41, the guide plate 42 is also pressed by the adjusting means provided on the rotary drive side to move the left-right adjusting guide 40.

The body 20 has the guide rod 31.
Fixing screws 36 and 46 for fixing and 41 at arbitrary positions
Is provided, and the fixing screws 36 and 46 are loosened and the main body 20
It is possible to adjust the protruding positions of the suction plate and the fixing rod.

On the front and rear slides 30, the left and right slides 44, 4 are respectively provided on the left and right sides of the left and right adjustment guides 40 so as to face the wedge-shaped surfaces (inclined surfaces) of the left and right adjustment guides 40.
5 is placed, and the guide pieces 44G and 45G are fitted and supported in the guide grooves 35 and 35 so as to be slidable in the left and right directions. Then, the fixing rods 4 and 4 are projectingly provided on the left and right slides 44 and 45.

The suction cup 3 projecting from the front and rear slide 30 has a pipe shape having a required length as shown in the drawing, and a morning glory suction cup is formed at the tip thereof. The end side is slidably fitted and supported in the main body 20 under spring pressure so that even if the surface of the article to be adsorbed is uneven, the suction cup is always pressed against the article surface with a constant pressing force. Make it possible.

In the embodiment shown in FIG. 1, one main body 2
For 0, the front and rear slides 30 provided with one suction board 3 projecting,
It has a shape in which two fixing rods 4 and 4 are provided in a protruding manner, but as shown in FIG. 4, one suction plate is provided with four fixing rods at the top, bottom, left and right, or one suction rod. 2 above the board
Book, one with one fixing rod below, two suction plates and two fixing rods on the outside of each suction plate, four suction plates, and two for each suction plate , A total of eight fixed rods, a single suction plate with one fixed rod above and below the suction plate, and various combinations of arrangements are used in an appropriate combination.

When the suction means 2 is aligned with the conveyance line of the article G, the main body 20 is moved up and down along the support shaft 11, and the suction plate 3 is fixed at a predetermined position with the fixing screw 12. At the same time, the positional relationship between the article and the suction cup is properly adjusted by pressing the guide plate at the rear end of the guide rod so that the front and rear slide 30 is adjusted so that the suction cup comes into contact with the surface of the article with a predetermined pressing force. The position is fixed with the fixing screw 36. Further, in order to make the right and left positions of the tip of the fixed rod 4 relative to the suction plate 3 proper, the guide plate 42 is pressed to press the wedge-shaped guide 4
When 0 is moved on the front and rear slides, the left and right slides 44 and 45 which are in contact with the side surfaces of the guide 40 are moved and adjusted in the left and right direction, and then the guide rod 41 is fixed by the fixing screw 46. is there. Further, the tip shape of the fixing rod 4 can be various such as a flat surface, a step, a depression, and an inclined surface.

Further, in the above-mentioned embodiment, the device for adsorbing the article by the rotary driving member which circulates the article, but this adsorbing means can be adopted in the robot. In this case, an arm is provided on the main body frame so as to be able to rotate, move back and forth, left and right, and up and down, and the article suction means 2 shown in FIG. 1 is attached to the tip of this arm. As a result, it can be transferred in any direction within the movement range of this arm. It is also possible to run this robot on its own.

[0018]

In the method and apparatus for transferring an article while keeping the correct posture according to the present invention, the article adsorbing means for adsorbing and transferring the article is provided with a sucking plate and a fixing rod which can be taken in and out so as to project. When the transferred object is sucked and fixed by the suction plate, the transferred object is brought into contact with the tip of the fixed rod to control the positioning and the sucking posture, and then the article sucking means is moved in the front-rear, left-right, or swivel, or in the vertical direction, Since the items to be adsorbed are securely transferred to the destination, the position and orientation of the adsorbed items are securely fixed, so that they will not be broken or displaced due to vibration or wind pressure during transportation. Since the correct posture is maintained and the sheet is accurately conveyed, there are advantages that various operations arranged during the conveying step can be accurately and surely performed, and further damage to the article can be prevented.

[Brief description of drawings]

FIG. 1 is an external perspective view showing an embodiment of an apparatus for transferring an article while maintaining a correct posture according to the present invention.

FIG. 2 is a side view of the same.

FIG. 3 is a front view of the same.

FIG. 4 is an explanatory diagram showing a combination relationship between a suction disk and a fixed rod.

FIG. 5 is a schematic explanatory view showing the entire conveying device of the present invention.

FIG. 6 is an explanatory view of a tip shape of a fixed rod.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Rotational driving body 11 Support shaft 2 Article adsorption means 3 Adsorption board 4 Fixing rod 5 Adjusting means 20 Main body 30 Front-rear slide 40 Front-rear adjustment guide 31,41 Guide rod 44,45 Left-right slide G Article

Claims (3)

[Claims] 1. An article adsorbing means for adsorbing and transferring an article is provided with a suction board and a fixing rod which can be taken in and out so as to project the object to be transferred by suction on the tip of the fixing bar. A correct posture characterized in that after the transported object is brought into contact with it and the positioning and suction posture are controlled, the article suction means is moved forward, backward, leftward or rightward, or swung up or down to surely transport the article to the destination. A method of transferring goods while keeping the same. 2. A suction plate for adsorbing and holding an article on each of the article suction means, as well as a plurality of article suction means projecting at regular intervals in the circumferential direction on the outer periphery of a rotary drive for sucking and transferring the article. And a plurality of attitude control fixing rods and adjusting means for adjusting the protruding amount and the protruding position of the fixing rods are provided around the outside of the suction cup that can be taken in and out, and from the supply position of the article to the carry-out position. A device for transporting articles while maintaining a correct posture, which is characterized by reliable transport. 3. An article with a correct posture, characterized in that the article adsorbing means according to claim 2 is attached to a support shaft provided on a rotary drive member so as to be rotatable in the vertical direction and about the support axis. A device for transferring.