JPS6311204B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Purpose of the Invention (Industrial Field of Application) The present invention is directed to the packaging of fruits and vegetables, etc., in which a packaging film, which is stretched over a packaging section by a conveyor belt, is folded around the product. The present invention relates to a packaging machine, and relates to a feeding device for transferring an article to a pedestal device that is raised toward a packaging film in a packaging section.

(Prior art and problems to be solved by the invention) As a conventional article transfer mechanism,
There is one described in Publication No. 30786. this is,
A belt-shaped body or rod-shaped body 1 is provided along the article transfer route A so as to be able to move back and forth in the article-transferring direction, and a forced transfer device 2 for forcibly backing and transferring the transported article is attached to this belt-shaped body or rod-shaped body 1. , an auxiliary tool 7 which configures the forced transfer tool 2 to be switchable between a push transfer action posture and a non-work posture, and urges the forced transfer tool 2 into the push transfer action posture; A non-working posture holder 9 is provided to hold the forced transfer tool 2 in a non-working posture against the force, and the forced transfer tool 2 is provided with a roller 10 that follows the non-working posture holding device 9.
An inclined cam plate 16 whose tip extends to a position above the moving path of the roller 10 is pivotally attached to the terminal end of the non-working posture holder 9 in the article transfer direction, and this cam plate 16 is rotated downward. The cam plate 16 is configured to be rotatable only in the above-mentioned direction, and is provided with another urging device 18 that urges the cam plate 16 to the above-mentioned upper position. against another auxiliary device 18 by the roller 10;
The cam plate 16 is rotated downward to allow the transfer tool 2 to pass in the working position, and this forced transfer tool 2
When moving in the opposite direction to the transfer direction, cam plate 1
When the roller 10 comes into contact with the roller 6, the forcible transfer tool 2 is switched to a non-operating position against the auxiliary tool 7.

However, in this mechanism, (a) the long rod-like body 1 is forcibly pulled forward by a certain distance in the article transport direction, so this rod-like body 1 inevitably protrudes greatly in the article transport direction; (b) Since the article a is placed on the roller conveyors 4 and 4', a stopper 13 is required to prevent the article a from moving. (c) A pusher 2 is installed on the lower surface of the inclined cam plate 16. When the cam roller 10 contacts the cam roller 10, the inclined cam plate 16 may rotate upward, so the cam roller 10 may not be reliably guided to the lower side of the strip cam 9. (d) Roller conveyor 4, In addition to 4', since the belt-shaped cam 9 is required, there are drawbacks such as an increase in the number of articles and a complicated mechanism.

Structure of the invention (means for solving the problem) The present invention has been made to solve this problem,
As shown in the drawings of the embodiment described later, a plate-shaped pedestal portion 1a on which an item W is placed is provided with a running groove 2 extending in one direction, and a groove wider than the running groove 2 is provided at one end of the running groove 2. The penetration groove 2a is transparently provided, and the pedestal part 1a
A running member 5 is supported on an endless running cable such as a chain 3 suspended below so as to be tiltable so as to stand up at all times by the urging of a spring 8. The engaging piece 10, which is urged against the inner surface of the pedestal part 1a, is moved by the transfer part 7 of the running member 5 exposed above the pedestal part 1a through the running groove 2 in the upright state. When the article W is transferred along the running groove 2 as the endless running cable rotates, the engaging protrusion 9 protruding from the running member 5 forms a slanted surface 10b that abuts against the bias of the spring 11. However, due to this contact, the engaging piece 10 moves downward against the bias of the spring 11, and the traveling member 5
Similarly, the engagement piece 10 is configured to allow the movement of the running member 5 when the running member 5 arrives at the entry groove 2a of the pedestal portion 1a and moves as the endless running rope is reversed. The mating protrusion 9 is the engaging piece 10
A slanted surface 10a is formed so as to be able to press against the inner surface of the pedestal part 1a, and due to this contact, the traveling member 5 is tilted downward through the entry groove 2a of the pedestal part 1a, and the pedestal part 1a is tilted downward. It is configured to move along the inner surface of 1a.

(Function) In a state where the running member 5 is waiting at the front end of the chain 3, when the article W is placed on the pedestal part 1a and the chain 3 is rotated in the direction of arrow A, the running member 5 The transport portion 7 of the running member 5 passes through the running groove 2 of the pedestal portion 1a, and the transfer portion 7 of the running member 5 is transferred to the pedestal portion 1a.
The article W is moved upward in the direction of arrow A and is pushed by this transfer section 7 to be transferred. During this transfer, the engagement protrusion 9 of the traveling member 5 touches the slanted surface 10 of the engagement piece 10.
When it comes into contact with b, the engagement piece 10 is pushed downward against the bias of the spring 11, and the traveling member 5 moves further and reaches the entry groove 2a of the pedestal part 1a as shown in FIG. do. At this position, the item W is placed on a pedestal device (not shown).

Thereafter, when the chain 3 is reversed, the traveling member 5 moves in the opposite direction of the arrow A, and its engaging protrusion 9 abuts the slanted surface 10a of the engaging piece 10, causing the traveling member to move as shown in FIG. The member 5 is tilted against the bias of the spring 8. Due to this tilting movement, the transfer portion 7 of the traveling member 5 enters the inside of the pedestal 1a through the entry groove 2a and moves along the inner surface thereof. The traveling member 5 is erected again by the biasing force of the spring 8 at the front end of the chain 3, and is stopped there. The traveling member 5 waits at this stop position.

(Embodiment) Hereinafter, an embodiment embodying the present invention will be described with reference to the drawings. Reference numeral 1 denotes a cylindrical cover extending in the front-rear direction, the upper surface of which is a plate-shaped article holder part 1a.
As shown in FIG. 2, a running groove 2 is provided transparently from the center of the front edge to the center of the rear end of the pedestal part 1a, and the rear end is made wider than the running groove 2 to form an intrusion groove. It is set as 2a. 3 is a pair of left and right endless chains spanning between the front and rear sprockets 4 which are supported by opposing pairs at the front and rear ends of the cover 1, and 5 is rotatable with respect to both chains 3 between the left and right chains 3. It is a traveling member supported by a support member 6 and a transfer member 7 fixed to the upper end thereof, and is always erected by the bias of a spring 8, and a notch 7a is formed in the center of the transfer member 7. , an engagement protrusion 9 is provided on one side of the support portion 6 in a protruding manner. Reference numeral 10 denotes an engagement piece supported on the free end of the leaf spring 11 at one side edge of the rear end of the running groove 2,
The plate spring 11 urges the inner surface of the pedestal portion 1a, forming slanted surfaces 10a and 10b on both the upper and lower surfaces. 12 is a stopper supported above the front end of the chain 3, and is a stopper supported above the front end of the chain 3;
It can come into contact with the transfer section 7 of. 13 is the pedestal portion 1a at one side edge of the front end portion of the running groove 2;
This is the switch operating rod that is exposed upwards.

The article transfer operation of the supply device configured as above will be explained. With the traveling member 5 waiting at the front end of the chain 3, when the article W is placed on the pedestal part 1a and the switch operating rod 13 is pushed downward, the chain 3 is rotated in the direction of arrow A. The support portion 6 of the traveling member 5 passes through the traveling groove 2 of the pedestal portion 1a, and the transfer portion 7 of the traveling member 5 moves on the pedestal portion 1a in the direction of arrow A, and the article W is pushed by this transfer portion 7. will be transferred. During this transfer, the engagement protrusion 9 of the traveling member 5 touches the slanted surface 1 on the upper surface of the engagement piece 10.
0b, the engagement piece 10 is pushed downward against the urging force of the leaf spring 11, and the running member 5 further moves, as shown in FIG.
arrive at a. At this position, the item W is placed on a pedestal device (not shown).

Then, when the chain 3 is reversed, the running member 5 moves in the opposite direction of the arrow A, and the engagement protrusion 9 comes into contact with the slanted surface 10a on the lower surface of the engagement piece 10, as shown in FIG. The running member 5 is tilted against the bias of the spring 8. Due to this tilting, the running member 5
The transfer portion 7 enters the cover 1 through the entry groove 2a and moves along the inner surface of the pedestal portion 1a. Running member 5
is erected again by the biasing force of the spring 8 at the front end of the chain 3, and the transfer section 7 moves to the stopper 1.
It is stopped when it is locked at 2. The traveling member 5 waits at this stop position.

Effects of the Invention In short, according to the present invention, (a) since an endless running cable such as the chain 3 is used, interference with the article receiving device can be prevented, and space can be used effectively; ) The item W is placed on the plate-shaped pedestal part 1a.
is placed thereon, there is no risk of the item W moving inadvertently, and the item W can be reliably placed in a predetermined position even without a stopper. (c)
The engagement protrusion 9 of the traveling member 5 is connected to the inclined surface 1 of the engagement piece 10.
0a, the engaging piece 10 can press against the inner surface of the pedestal portion 1a, so that the traveling member 5 is reliably guided to the inner surface of the pedestal portion 1a. Since the base portion 1a is also used, there are effects such as a reduction in the number of parts and a simpler mechanism.

[Brief explanation of the drawing]

FIG. 1 is a schematic side sectional view of the feeding device according to the present invention, FIG. 2 is a schematic plan view thereof, and FIG. 3 is a partially enlarged sectional view showing the intrusion effect of the traveling member. Cable part...1a, running groove...2, entry groove...2
a. Chain... 3. Running member... 5. Spring... 8. Engaging protrusion... 9. Engaging piece... 10. Slanted surface... 10a, 10b. Leaf spring... 11. Item... W.

Claims (1)

[Claims] 1. A running groove 2 extending in one direction is provided in the plate-shaped pedestal portion 1a on which the item W is placed, and an intrusion groove 2a wider than the running groove 2 is provided at one end of the running groove 2. A running member 5 is supported by a spring 8 on an endless running rope such as a chain 3, which is suspended below the base part 1a, so that it can be tilted so that it always stands up. At this time, the engagement piece 10, which is biased against the inner surface of the pedestal part 1a by the spring 11, is moved by the transfer part 7 of the running member 5, which is exposed above the pedestal part 1a through the running groove 2 in the upright state, into the pedestal part. When the article W on 1a is transferred along the running groove 2 as the endless running cable rotates, the engaging protrusion 9 protruding from the running member 5 contacts the inclined surface against the bias of the spring 11. 10b, and upon this contact, the engaging piece 10 moves downward against the bias of the spring 11 to allow movement of the traveling member 5. Similarly, the engaging piece 10 has a receiving member. When the traveling member 5 that has arrived at the penetration groove 2a of the platform portion 1a moves as the endless traveling rope is reversed, the engagement protrusion 9 of the traveling member 5 can press the engagement piece 10 against the inner surface of the pedestal portion 1a. A slanted surface 10a is formed in contact with the slanted surface 10a, and this contact causes the running member 5 to tilt downward through the entry groove 2a of the pedestal part 1a and move along the inner surface of the pedestal part 1a. An article feeding device such as a packaging machine, which is characterized by: