JPS60209436A - Car truck supplying device - Google Patents

Abstract

PURPOSE:To obtain mechanically automatic supply of car trucks by allowing supply of a car truck, when desired, to a predetermined position from a group of car trucks held in layers in a car truck storing station by cooperation of a lifter and a pusher. CONSTITUTION:When a main shaft is rotated, a crank arm is simultaneously rotated to raise a lifter. This raising causes the outer portions of lower plates 35b of guide plates 35 to be moved upwardly and pushed open through guide elements 34 of swinging plates, and engaging pawls 7 are pushed out by the lower ends of upper plates 35a to be located under the side plate a'' of a car truck on the second stage. The lifter is further raised until the engaging pawls 7 come in engagement with the lower edge of the side plate a'' of the car truck a, and the car truck a on the second stage and the others above it are raised, only the lowermost car truck a remaining on the floor 2 of the storing station. Then pushers 8, 9 are actuated, a push roll 8b of the pusher 8 and pads 9b, 9b' of the pusher 9 being adapted to tightly hold the side plate a'' and a protruding plate a' of the lowermost car truck a and then to convey the car truck a out of the storing station through an exit.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a cart feeding device, and more particularly to a device for feeding one cart to a predetermined location.

Traditionally, in supermarkets, product manufacturing factories, etc.
Trolleys are used to transport packaged or sorted individual items in storage boxes along the process line, but feeding the trolleys is done manually, which requires a great deal of labor and reduces work efficiency. However, automation of the work was desired.

In view of the conventional situation of refusal, the present invention aims to mechanically automate the feeding of carts to improve work efficiency and speed up the continuous process. A trolley reservoir is formed into sections, and the reservoir is provided with an inlet and an outlet, and at least two opposing sides of the reservoir are provided with swingable locking claws for lifting the second or higher stage trolleys. A pusher is provided on the floor of the reservoir section to move the lifter back and forth toward the exit while the lifter is rising, and to transfer the lowermost cart during the forward movement. It is characterized in that the lowest stage of the cart, which can be moved upward, lands on the floor surface when descending.

It is preferable to provide the above-mentioned loading inlet and unloading outlet on opposite sides of the reservoir so that the cart moves in the same direction. However, if the wheels of the truck are casters that can be turned freely, it is not necessary to have the two ports facing each other. Instead, you are free to set up both days on each side adjacent to each other.

In addition, the pusher 1 moves the cart toward the exit.
Although the structure may consist of only one pusher, if it is constructed with two pushers that sandwich the protruding edge of the cart as in the embodiment described later, the cart can be positioned at a predetermined position and fed after being carried out. is possible and effective.

Embodiments of the present invention will be described with reference to the drawings.
In the figure, (1) is the machine base, and on this machine base (1), a floor plate (2°) forming the floor surface (2) is laid, and on both sides of the floor plate (2'), four Post (3') (3'
)...and a girder (3") installed in the shape of a mouth at the upper end of the support.
Erect the machine frame (3) consisting of
'> (3°) ... and the space sectioned by the floor surface 2) is defined as a truck storage section (4).

The floor surface (2) projects in an extended manner backward and forward of the reservoir (4), respectively, and a floor plate (2) is provided at the rear projecting end thereof.
A guide floor surface (2a) formed as an inclined surface (2') is integrally provided.

The truck storage section 4) has a rear end side as a loading port (4a) for the truck, a front end side as an loading port (4b), and the guide floor surface (2).
a) A group of carts (A), which are manually pushed by a worker, are carried into the reservoir (4) through the carry-in port (4a).

The loading entrance (4a) is equipped with a bar-shaped door (5) attached to the rear column (3°) (3') so that it can be opened and closed, and the door (5) is opened to move the trolley group (A) to the storage area (4). It will be transported to

The truck group (A) includes a plurality of (for example, 10) trucks <a>
(a >... are stacked in a stacked manner, and each trolley (
(a) has a frame shape with a P-shaped cross section (FIG. 5), and has a protruding plate (a') and a side plate (a'') formed circumferentially on the inside and outside of the mounting surface, respectively.

A rod-shaped stopper (5°) is installed between the front struts (3') (3'') on the front end side of the reservoir (4), and the front end of the truck group (A) to be carried in is abutted against the stopper (5'). to position the group of carts (A), and to form an interval slightly larger than the height of one cart between the lower end of the stopper (5') and the floor surface (2), and to connect this part to the loading port (4b). ).

In addition, a main shaft (11) is rotatably mounted horizontally on the front support (3'>(3') side of the machine frame (3), and the main shaft (11) is connected to a motor (M+) and a clutch brake (12). and deceleration Il
! (13) and the reservoir (
Both the front and rear branches (3'> (3
There are two crank arms (14) (14') and (16) (1B') on each side between the two crank arms (14) (14') and (16) (1B').
) are rotatably arranged in parallel.

The crank arms (14) (16) have their shafts (1
5) Connect (17) to the main shaft (11) via the chino (1B) <18”), and connect both crank arms (14) (16
) to rotate synchronously, and the shaft (15),
(17) are respectively connected to the crank arms (14'>(16')), and the platform arms are synchronized.

The main shaft (11) has a timing cam (19) and a limit switch (SW+) mounted on the crank arm (1).
4) Rollers (20> (20) and (20') (2
0'), and the lifter (6) is mounted and engaged on the rollers (20, 20), and the lifter (6') on the rollers (20', 20'), respectively.

Further, on the machine base (1), 211 chain conveyors (21) (21') extending in the front-rear direction below the floor surface (2) and driven by a bracket motor (M2) are arranged horizontally, The reciprocating rod (23) is passed through the transfer element (22) across the Cheno block on the same direction transfer side of both conveyors (21) (21').
are hung horizontally, and the reciprocating rod (23) is moved back and forth under the floor (2) over a predetermined section by driving the conveyor (21) (21').

A connecting shaft (24) is installed in the center of the reciprocating rod (23), and the shaft (24) is connected to the floor surface (2') through a guide hole (25) that can be drilled into the floor plate (2'). It should protrude upward, and the floor surface (2
) is fitted with a pusher (R> (Q)) driven by the connecting shaft (24).

The lifters (6) (6') are installed on the left and right sides of the reservoir (4), but they have the same configuration except that they are symmetrical.
Since they operate in the same way, one (6') will be explained for convenience of explanation, and the other (6) will be illustrated with the same reference numerals.

The lifter (6') is installed so as to be movable up and down along vertical guide rods (31) (31') attached to the front and rear struts (3') (31'), and its lower surface is connected to the crank arm (16).
(16') is placed on the rollers (20') (20').

A rocking plate (33) is provided in the lifter (6') in parallel below the lifter (6') via two rocking rods (32), and the rocking plate (33) Attach the two latching claws (7) (7) at intervals.

Swinging rod (32) (32) The beam is attached below the lid (6') so as to be able to swing freely to the side of the reservoir (4). (7) is moved toward and away from the bogie group (A).

Both ends of the swing plate (33) are bent at right angles, guide elements (34) are rotatably attached to the respective ends, and the guide elements (34) are engaged with the guide plate (35).

The guide plate (35) is a flat plate installed on each of the front and rear columns (3') (3'), and includes an upper plate (35a) and a lower plate (35).
5b), the upper plate (35a) has an integral shape of a vertical surface and an inclined surface, and the lower plate (35b) is a vertical plate connected below the vertical surface of the upper plate (35a). .

The upper plate (35a) is fixedly installed, and the lower plate (35b)
is installed so that it can swing freely only inward, and its installation is done using the lower plate (
35b) is a spring plate and only the lower end of the plate is fixed, or the lower plate (35b) is swingably supported and biased by a spring to maintain the vertical position.

Therefore, the above lifter (6') has a crank arm <16) (
When the lifter (6') is lowered, the guide (34) of the swing plate (33) moves up and down as the lifter (6') rotates.
) and the vertical plane of the upper plate (35a) and the lower plate (35b)
The guide (34) moves down along the lower plate (35b) while holding the latch claws (7) (7) in the protruding position.
When the latching pawl (7
) (7) is held at the exit position (dotted line in Figure 4).

Also, when the lifter (6゛) is raised, the guide (34) passes outside the lower plate (35b), the rocking plate (33) moves upward, and the guide (34) moves along the slope of the upper plate (35a). ) moves upward, the swinging plate (33) swings in the direction in which the latch claws (7) (7) protrude, and the guide (34) moves up against the lower plate (35).
b) When the upper end is pushed and moved onto the vertical surface of the upper plate (35a), the latch claw (7) (end) is held at the protruding position and moves upward to the upper limit position in that state.

At the lower limit position of the guide (34), the latching claws (7) (7) are located below the side plate (a2') of the lowest trolley (a) of the trolley group (A>), and the guide (34) is at the upper part. The position is set so that the latching claws (7) (7) are located near the bottom of the side plate (a'') of the second-stage truck (a) at the position where the plate (35a) rides up from the slope to the vertical plane.

The butchers (8) and (9) are installed on the floor (2), and a guide rod (40) extending in the front-back direction is installed on the floor (2) at the center, and the rod (40) A slider (10) is slidably provided on the slider (10), and a pusher (10) is provided on the slider (10).
8) Attach (9), connect this slider (10) to the reciprocating rod (23) via the connecting shaft (24>,
The pushers <8) and <9) are made to reciprocate in conjunction with the drive of step 3).

Furthermore, guide rails (41) and (42) are laid on the floor surface (2) on both the left and right sides of the guide rod (40).

The slider (10) has support shafts (10') (io') on both left and right sides.
) coaxially protruding, and both bearing shafts <10''') (10'
) on both left and right arms (8a) of the pushers (8) and (9) (
8a'), (9a) and (9a') can be vertically swingably mounted.

The side arms (8a) (8a') of the pusher (8) have a substantially inverted triangular shape, and the rear part thereof is connected to the support shaft (10') (i
o'), and a pushing roll (8b) is rotatably connected to the leading edge of the left and right images, and the side arms (9a) (9a') of the button shear (9) support the respective rear ends. Axis (10'
) (10'), and pads (9b) (9b') are rotatably attached to the inside of each tip.

The button shear (9) attaches its side arms (9a) (9a') to the inside of the side arms (8a) (8a') of the button shear (8), presses the pad (9b) (9b') and rolls (8b) ).

The side arms (8a) (8a') of the pusher (8) have guide rollers (43) (43
') and (44) (44') are attached rotatably,
Guide rollers (45) (45') are rotatably attached to the side arms (9a) (9a') of the pusher (9) at the same positions as the guide rollers (43) (43'). (43) (44) (45) is running on the guide rail (41) with the roller (43°) (44')
(45°) are respectively transferred on the guide rail (42).

The guide rails (41) and (42) have two entry points (41a), (41b), and (42) at the rear end of the floor.
a ) (42b), and the entry section (41a
) (42a) is the rail <41) (42) is the rear obliquely downward slope formed at the rear end, the entry portion (41b) <42b
) is located at a predetermined distance in front and inside of the entry section (41a) (42a).

The entry part (41a) (42a) is a pusher (8)
Guide rollers (43) (44), (43')
(44'), and the entry section (41b
) (42b) is the guide roller (4) of the pusher (9).
5) Position it on the transfer path (45').

The entry section (41a) <41b) (42a)
(42b) are all pivotally mounted to the flat surface so that they can be opened and closed vertically.

The pushers (8) and (9) reciprocate in conjunction with the reciprocating rod (23) which reciprocates by the drive of the motor (M2),
During the reciprocation, the guide roller (43) of the pusher (8)
(43') enters the entry parts (41a) (42a) of the guide rails (41) (42), the tip roll (8b) of the pusher (8) moves upward, and after a short delay, the guide of the pusher (9) Roller (45) (45
°) and the guide roller of the pusher (8) <44) (
44') is the entrance part (41b > (42b) and (
41a > (42a), and when all the rollers reach the flat parts of the guide rails (41) and (42), the push roll (8) of the pusher (8) is pressed as shown in FIG.
b) comes into contact with the back surface of the side plate (a'') of the lowest cart (a), and the pads (9b) (9b') of the pusher (9)
) comes into contact with the inner surface of the protruding plate (a') of the truck (a), and the truck (a) is held between the two (8b), (9a) and (9b).

Thereafter, as the reciprocating rod (23) moves forward, the pushers (8) and (9) maintain the state shown in Fig. 5, and the carriage (a)
) is moved and carried out from the outlet (4b) of the reservoir (4), and when the pushers (8) and (9) reach the front end position, the cart (a) is moved onto the platform (50) for the next process. let

When the reciprocating rod (23) reaches the front end position, the guide rollers (43) (43') of both pushers (8) (9)
, (45) (45') are guide rails (41) (4
2), each tip of the pushers (8) < 9) moves downward and away from the cart (a), and then the reciprocating rod (23)
When moving backward, the guide rollers (43) (44) (
45), (43°) (44') (45') pass under the guide rails (41) (42) and retreat, leading to entry sections (41a) (42b), (42a) (4
2b) is pushed open to escape from under the guide rail, and then return to the home position.

In Fig. 1, (SW2> is a limit switch that detects when the reciprocating rod (23) reaches the front end position, (SW3) is a limit switch that detects the return of the reciprocating rod (23) to its home position, and (S
W4) is a sensor that detects that the remaining number of bogies in group A) has been reduced to a predetermined number.

Next, the stroke operation of the present invention will be explained with reference to FIGS. 8 to 15.

The worker moves the trolley group (A) from the guide floor (2a) to the loading entrance (
4a) Carry it to the vicinity, open the door (5), carry the group of trolleys (A> into the reservoir (4), and set it in the state shown in FIG. 8).

When the operator closes the door (5), a detector (not shown) that detects the closing operation activates the clutch brake (12).
) operates and the main shaft (11) rotates.

As the main shaft (11) rotates, the crank arm (14) (14')
) (16) (16') rotate at the same time, lifter (6) (6°) starts to rise, and lifter (6) (6
) The guide (34) of the rocking plate (33) rises with
moves upward on the outside of the lower plate (35b) of the guide plate (35), pushes the plate (35b) open, and when it comes out to the lower end of the upper plate (35a), the latching claws (7) (7) (7) (7 ) protrudes, and at this time, the latching claws (7) (7)...
a”) located below (Figure 9).

The lifters (6) (6') further rise and engage the latch claws (7).
) (7) ... is hooked to the lower edge of the side plate (aII) of the cart <a>, and the second and higher carts (a)... are moved upward, and the inside of the reservoir (4) is When the switch (SW+) detects by the timing cam (19) that the lifter (6) (6') has reached the upper limit position, leaving only the lowest cart (a) on the floor (2), the main shaft ( 11) stops,
Stop lifting of lifter (6) (6°) (Figure 10). The motor (M2
) is activated and the pusher (8) is linked to the reciprocating rod (23).
)(9) starts moving forward.

Pusher (8) is activated by starting pushers (8) and (9).
The push roll (8b) and the pad (9) of the pusher (9)
b) By (9b'), the side plate (
a”) and the protruding plate (a′), and then move the trolley (
a) is carried out from the reservoir (4) through the carrying out port (4b) (Figs. 11 and 12).

The pushers (8) and (9) reach the front end position and the guide rolls (43) (43') (44) (44') (
45) (45') is the guide rail (41) (42)
When the pushers (8) and (9) come off the trolley (a)
The grip of the reciprocating rod (23) is released and the robot moves away from the truck (a), and the switch (SW2) detects that the reciprocating rod (23) has reached the front end (FIG. 13).

The clutch brake (12) is activated by the detection signal of the switch (SW2), and the main shaft (11) is rotated to lower the lifter (6) (6") and move the lifter (6) (6") upward. )... is lowered while being held by the latching claws (7) (7), and the lowermost cart (a) lands on the floor surface (2) (Fig. 14).

During the above-mentioned stroke, the pushers (8) and (9) pass under the truck (a) and move back.

The pushers (8) and (9) return to their home positions, and the reciprocating rod (
23) is detected by the switch (SWa), the motor (M2) is stopped by the detection signal, the pushers (8) and (9) are stopped at the home position, and the lid (6) is lowered. ) (6') is when the guide (34) comes off the lower end of the lower plate (35b) of the guide plate (35), and the latch claw (7) (7) separates from the cart (a) (Fig. 15). .

After that, the lifters (6) (6') rise to the eighth position.
10, stops at the position shown in FIG. 10, waits for the next supply command signal from the next stroke device, and repeats the same operation.

After the sensor (SW4) detects that the number of carts in the reservoir (4) has been reduced to a predetermined number (for example, two),
The same operation as above is repeated until the best trolley (a) is moved up by lifters (6) (6'), and the last trolley (a) is lowered by lifters <6) (6') and reaches the floor. After landing on surface (2), lifter (6) (6'
) causes the latch claw (7) <7) to stop at the position shown in Figure 15 or Figure 8, thereby starting the next new group of bogies (A
> can be carried into the reservoir (4).

Since the present invention is configured as described above, it is possible to supply one truck to a predetermined location when necessary from a group of multi-tiered trucks that are mounted and held in the truck reservoir by the cooperative work of a lifter and a pusher. Therefore, it is possible to mechanically automate the trolley feeding work, significantly improving work efficiency compared to the conventional method, and also incorporating it into continuous process lines such as product transportation and sorting, which increases the speed of the process. It is possible to aim for

Therefore, the intended purpose can be achieved.

[Brief explanation of the drawing]

Figure 1 is a perspective view of the device of the present invention as seen from the rear side, Figure 2 is its side view, Figure 3 is its top view, Figure 4 is its rear view, and Figure 5 is its rear view.
The figure is an enlarged cross-sectional side view showing the forward movement state of the pusher.
The figure is an enlarged cross-sectional side view showing the pusher in the backward movement state.
The figure is a sectional rear view of Figure 6, and Figures 8 to 15 are side views (+> and rear views (11)) for explaining the stroke motion. In the figure, (2) is the floor surface, ( 4) is the trolley storage part, (4a) is the loading port, (4b) is the loading port, (6〉(6') beam lid 1
(7) is a latch claw, (8) and (9) are pushers, (△) is a group of carts, and (a) is a cart. Patent applicant: Teraoka Seiko Co., Ltd. No. 1/ (+) , 4 a(2″ θ (11)

Claims (1)

[Claims] A trolley storage section on which a plurality of carts are loaded in a stacked manner is defined, and the storage section is provided with an inlet and an unloading section, and at least two opposing sides of the storage section are provided with swingable locking claws.
A lifter is installed on the floor of the storage section to move up and down the carts on the higher tiers, and while the lifter is rising, it reciprocates toward the exit, and during the forward movement, the carts on the lowest tier are transferred. The cart supply device is provided with a pusher that moves the lifter, and when the lifter is lowered, the lowermost stage of the cart that can be moved upward lands on the floor surface.