JPH0266015A - parts feeder - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention improves the supply structure for parts that are elongated, such as ampules, and have a high center of gravity, making it unstable and difficult to move continuously if they remain upright. This relates to parts feeders.

[Conventional technology]

In a conventional parts feeder, for example, as shown in FIG. 1, a weight is manually placed on the rear side of a group of parts in an ampoule, which is stood upright on a flat part that is inclined relative to the parts take-out device. The angle supply to the parts extraction section f3 was performed while preventing the parts from falling down. In addition, the supply of reduced ampules was also done manually. The parts ejecting device 3 has a plurality of substantially semi-cylindrical ejecting grooves 10 in a circumferential portion 9 facing outward and capable of accommodating substantially cylindrical parts 4 which have a high center of gravity and are unstable to be held upright. It is formed so that it is opened at every pitch and is driven to rotate. In this conventional structure 2, parts were supplied by manually removing the weight placed on the preceding parts group, and then manually adding a new part 4 to the rear side. At this time, the parts 4 would fall, but this fall would be corrected manually, and after the fringed parts 4 were replenished, a weight was placed on the rear surface. Therefore, one worker is required for each parts feeder, which requires a large number of man-hours.

[Problem to be solved by the invention]

In the above-mentioned conventional structure, there is a problem in that when replenishing parts to the parts take-out device using the flat plate portion, consideration is given to preventing the parts from falling over, which requires a large number of man-hours.

The present invention has been made in view of the above situation.

The object of this invention is to provide a parts feeder that can prevent parts from falling and reduce the number of work steps.

[Means to solve the problem]

The above purpose is to open a plurality of ejection grooves outward at a predetermined pitch at a predetermined pitch toward the outside of the circumference and drive them to rotate. a parts take-out device; and a parts conveyance path that has a groove in which the parts are guided in a lined manner and is connected to the circumferential portion of the parts take-out device so that the parts are fed from the parts take-out device. and a parts supply means disposed on the upper surface of the flat part and configured to push the parts into the ejection groove of the circumferential part,
The parts supplying means forms a loop surrounding the parts together with a parts take-out part and a movable wall that push the parts into the take-out groove of the circumferential part on the planar part, and is supplied from a parts pushing device. a reverse gate formed to guide the parts onto the flat part and to prevent the parts housed in the loop on the upper surface of the flat part from being discharged to the upstream side; and an inner side of the loop. The above parts are biased and arranged so that they can be moved.

The mounting point 1t is displaced in response to the number of internal parts that increases or decreases depending on the difference between the number of parts supplied from the upside-down gate and the number of parts discharged from the parts take-out part to prevent the parts from falling down. This is achieved by providing the above-mentioned moving wall.

[Effect]

As will be explained later in the embodiment, the deformable movable wall 1 on the flat plate portion 12 is always elastically urged to move in the direction of the arrow. The movable wall 1 changes its mounting position in accordance with the number of internal parts 4, which increases or decreases depending on the difference between the number of parts 4 supplied to the interior and the number of parts discharged from the parts extraction section 5. The parts 4 are prevented from falling down without creating a gap between them.

〔Example〕

DESCRIPTION OF THE PREFERRED EMBODIMENTS The parts feeder of the present invention will be explained below using an embodiment with reference to FIG. FIG. 1 is a plan view. In the figure, 1 is a movable wall, 2 is a non-return gate, 5 is a parts removal section, 6 is a fixed wall, 7 is a parts conveyance path, and 8 is a parts pushing device. A parts conveyance path 7 is attached in a tangential direction to a part of the circumferential portion 9 of the parts extraction device 3, and the parts conveyance path 7 has a groove 11 in which the parts 4 are guided in a lined manner. . Further, the parts extraction device 3 has a plurality of approximately semi-cylindrical extraction grooves 10 that can accommodate cylindrical parts 1 that have a high center of gravity and are unstable to be held upright in the circumferential portion 9, and are arranged in a predetermined direction outwardly. The extraction grooves 10 are opened at each pitch, and are formed in the circumferential portion 9 in two stages, upper and lower.
A connecting portion 13 of the parts conveyance path 7 is inserted into the space between the two upper and lower stages as shown by a dotted line. Therefore, as the parts take-out device 3 is rotated as shown by arrow B, the parts 4 stored in the take-out groove 10 are guided by the groove 11 at the joint 13 and sent downstream. ing.

An upside-down gate 2 is provided on the side of the flat plate-shaped portion 12 that is in contact with the parts extraction device 3 and faces the parts extraction section 5 . Fixed walls 6 are fixed on the flat plate portion 12 at opposing positions on both sides perpendicular to the direction connecting the parts extraction portion 5 and the non-return gate 2. On the flat plate portion 12, there is a parts removal portion 5. The movable wall 1, the check gate 2, and the movable wall 1 form a loop-shaped enclosure. The movable wall 1 is formed of a leaf spring, and a flat plate portion 1 is placed at a position covering almost the entire inside of the fixed wall 6.
It is biased in the direction of the arrow formed on 2 and is formed so as to be freely displaceable on the flat plate portion 12.

In addition to the elasticity of the plate springs, the movable wall 1 may be biased in the direction indicated by the arrow through another spring (not shown) if necessary.

Further, the check valve gate 2 is formed so that after the parts 4 are pushed onto the flat plate portion 12 by the parts pushing device 8, the parts 4 cannot return to the parts pushing device i8 side, that is, to the upstream side. ing.

The parts pushing device 8 pushes the parts toward the flat plate part 12 by intermittently pushing the parts in the opposite direction from the check position C shown by the arrow at the same time on the entire surface, or by rotating the parts. Push the parts 4 one by one onto the tip of the arm (not shown) [return position tkc of 8]
A device configured to be pushed in may be provided to supply the material. In addition, the parts extraction part 5, the check valve gate 2, and the moving wall 1
etc., forming a parts supply means.

In the above structure, the parts 4 on the planar part 12 are pressed in the direction of solidifying in one place by the opposing movable walls 1, 1, and are prevented from moving outside from the upside gate 2, so the parts ejecting section [The circumferential part 9 of 3 is the parts extraction part 5
When the movable wall 1 rotates to the position shown in FIG. The space occupied by the pushed-in parts 4 is eliminated by the elasticity of the movable wall 1, that is, no space is maintained between the parts 4 on the upper surface of the flat part 12, unlike the conventional parts 4. The collapse will be automatically resolved. Furthermore, when parts 4 are continuously supplied and replenished onto the flat part 12 through the check gate 2, there is a difference between the amount supplied through the reverse check gate 2 and the amount discharged through the parts removal section 5. Accordingly, the movable wall 1 moves on the upper surface of the planar portion 12, and may move, for example, to the position indicated by the dash-dotted line in the figure.

In this way, the parts feeder of this embodiment supplies the parts to the parts ejecting device using a parts ejecting section, a movable wall that is elastically biased so as to keep a large number of parts on a flat surface tightly packed, and a parts pushing device. A loop is formed on the flat part of the non-return gate into which the parts are pushed in, so that the parts can be supplied sequentially, so that the parts can be supplied to the parts take-out device.

This system automatically prevents parts from falling, and eliminates the need for manually correcting and feeding parts from falling, which was required in the past, thereby reducing work man-hours.

〔Effect of the invention〕

As described above, the parts feeder of the present invention is as follows.

This has the effect of preventing parts from falling and reducing the number of work steps.

[Brief explanation of the drawing]

FIG. 1 is an explanatory diagram of an embodiment of a parts feeder of the present invention. 1... Moving wall, 2... Check gate, 3... Parts extraction device, 4... Parts, 5... Parts! Tabe, 7
...Parts conveyance path, 8...Parts pushing device, 9...
・Circumferential part, 1゜... Removal groove, 11... Groove, 12...
・Planar part.

Claims (1)

[Claims] 1. Parts extraction that is rotatably driven by opening a plurality of extraction grooves at predetermined pitches toward the outside of the circumference, which can accommodate almost cylindrical parts that have a high center of gravity and are unstable to hold upright on a flat surface. a parts transport path, which has a groove in which the parts are guided in a lined manner and is connected to the circumferential portion of the parts extraction device so that the parts are fed from the parts extraction device; and a parts supply means disposed on the upper surface of the flat part and formed to push the parts into the take-out groove of the circumferential part, the part supply means having the parts supply means arranged on the top surface of the flat part to push the parts into the take-out groove of the circumferential part. Forms a loop surrounding the parts together with a moving wall and a parts take-out part that pushes the parts into the take-out groove in the peripheral part, and guides the parts supplied from the parts pushing device onto the flat part and the flat part. a check gate formed to prevent the part housed in the loop on the upper surface of the shaped part from being discharged to the upstream side; and a check gate configured to urge the part to move inside the loop; Formed to prevent the parts from falling by changing the mounting position in response to the number of internal parts that increases or decreases depending on the difference between the number of parts supplied from the check gate and the number of parts discharged from the parts take-out section. A parts feeder characterized by being provided with the above-mentioned movable wall.