JPH10129844A - Mold tray separation mechanism for chicken egg - Google Patents

Abstract

PROBLEM TO BE SOLVED: To mechanize the work supplied to an egg selection machine by separating a mold tray at the lowermost step of accumulated mold trays by a peeling claw and supporting and holding mold trays at the next step or more by a support means. SOLUTION: In an initial condition, accumulated mold trays 18 are received and put on a support lever 16 fixed on a second rotary shaft 12. A hooking lever 17 attached to a first rotary shaft 9 lowers and is apart from the mold trays 18. Only the first rotary shaft 9 rotates due to the turn of a rotary cam 3, and a tip part like hook of the hooking lever 17 hooks a peripheral fringe rib of the mold tray 18 at the next step to suspend and hold the accumulated mold trays 18 above the next step. When the rotation of the rotary cam 3 progresses furthermore, the second rotary shaft 12 turns, the support lever 16 leaves the mold trays 18, and an upper claw of a peeling claw 15 is inserted between peripheral fringe ribs of the mold trays 18 at the lowermost step and the next step. When the rotary cam 3 rotates furthermore, the mold tray 18 at the lowermost step is pressed down and peeled by the peeling claw 15.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a container (mold tray) used for packing and storing selected eggs in the step of collecting, washing and selecting the eggs.
The present invention relates to a peeling mechanism provided in an automatic egg mold tray feeder for peeling one by one from the stacked one and sending it to the next operation step.

[0002]

2. Description of the Related Art In a step of washing and sorting chicken eggs, the sorted eggs are packed in a mold tray. The mold tray is formed by molding a single piece of recycled paper into a shape having a plurality of egg-shaped concave portions using a mold. As shown in FIG. 1, for example, as shown in FIG. 1, several tens of sheets are stacked and set in a mold tray feeder of an egg selector. The set mold trays must be peeled off one by one and supplied to an egg sorting machine. However, conventionally, it has been considered that it is difficult to peel off the laminated mold trays by a machine, and it has been performed manually.

[0003]

In the manual operation of peeling and supplying the mold tray, there is a problem that about four mold tray feeders are usually in charge of each worker and a great deal of labor is required. In recent years, such as labor shortage and aging, making it difficult to secure a labor force, there has been a long-awaited desire for mechanization of the above work to save labor. In view of this, the present applicant has previously proposed this type of apparatus using Japanese Patent Application No. 6-189873. The egg mold tray supply device according to Japanese Patent Application No. Hei 6-189873 peels off the uppermost mold tray of the stacked mold trays with a peeling body, and at this time, the next mold tray is fixed by a stop body. A mold tray peeling mechanism that operates as follows, a mold tray transfer mechanism that is constituted by an arm that operates after the mold tray peeling by the peeling body to hold and transfer the mold tray, and a mold tray lifting mechanism that raises the mold tray It is configured. With such a configuration, the laminated mold trays can be peeled off one by one and supplied to an egg sorting machine (sorting step), thereby solving the above problem. The present invention has also been developed to solve the above problems, and has as its object to provide a peeling mechanism having a novel configuration.

[0008]

According to the present invention, the lowermost mold tray of the stacked mold trays is peeled by a peeling claw, and the mold trays of the next and higher stages are supported and held by supporting means. The mechanism was configured.

[0009]

Embodiments of the present invention will be described below with reference to embodiments shown in the drawings. 1 is a front view of the apparatus of the present invention, FIG. 2 is an internal mechanism view from the side direction, FIG. 3 is a plan view of a main part of the apparatus of the present invention, and FIGS. It is explanatory drawing which shows an operation process.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIGS. 1 to 3, a first linear cam 1 is composed of two guide rails 2a and 2b vertically extending in parallel.
A cam roller 1a is rotatably mounted at the center of the top portion so as to be slidable up and down. The first linear motion cam 1 has a pulley 4
A disk-shaped rotary cam 3 connected to the drive cam 5 via a drive belt 5 is provided side by side, and the cam roller 1a of the linear motion cam 1 is in circumferential contact with the rotary cam 3. And motor 4
When the rotary cam 3 rotates by the driving of the
a rotates in accordance with the cam surface 3a formed by cutting out the peripheral edge of the rotary cam 3 and a part thereof, and the first linear motion cam 1 repeatedly moves up and down accordingly. In FIG. 2, reference numeral 21 denotes a limit switch for detecting a downward movement of the first linear cam 1.

Below the first linear cam 1 is mounted a second linear cam 6 which is similarly slidably mounted on the guide rails 2a and 2b. The second translation cam 6 is connected to the rotary cam 3 via a rod-shaped connecting rod 7, and the connecting shafts 7 a and 7 b are freely rotatable. Second linear cam 6
Also move up and down repeatedly.

A projecting portion having a cam surface 1b is provided on both sides of the lower end of the first linear motion cam 1, and a first rotating shaft 9 rotatably held by a bearing 8 is provided near the projecting portion. ing. Then, the cam surface 1b of the first linear motion cam 1
By integrally fixing and connecting the lever 10 having the cam roller 10a sliding above to the tip of the first rotary shaft 9, the first rotary shaft 9 It turns left and right repeatedly.

A cam groove 6a is provided on both sides of the second linear motion cam 6.
A second rotating shaft 12 provided immediately below and in parallel with the first rotating shaft 9 is provided near the bearing 1.
1 rotatably held. Then, the lever 13 having the cam roller 13a sliding on the cam groove 6a of the second translation cam 6 is integrally fixed and connected to the tip of the second rotary shaft 12, so that the second translation cam is formed. The second rotation shaft 12 repeatedly turns left and right with the up and down movement of 6. Reference numeral 14 denotes a spring for urging the cam roller 13a in a direction of drawing the cam roller 13a into the cam groove 6a.

In the longitudinal direction of the first rotating shaft 9, when one of the lowermost mold toes 18 of the stacked mold trays 18 is peeled off, it serves as a support means for supporting and holding the mold tray 18 of the next or higher stage. Four hook-shaped hooking levers 17
Are fixed at an arbitrary interval with the hooks facing downward. Four peeling claws 15 are also fixed at an arbitrary interval in the longitudinal direction of the second rotating shaft 12. Here, the peeling claw 15 has a configuration in which two types of long and short upper claws 15a and lower claws 15b are combined. As described later, the peripheral rib 18a of the mold tray 18 is connected to the two upper claws 15a and the lower claws 15a. 15b. Disposed between the two peeling claws 15 is a support lever 16 for placing the stacked mold trays 18 in the initial state.
It is.

Next, the operation of this embodiment will be described with reference to FIGS.
This will be described with reference to FIG. First, in the initial state of the operation shown in FIG. 4, the stacked mold trays 18 are supported and mounted on a support lever 16 fixed to the second rotating shaft 12. At this time, the hooking lever 17 attached to the first rotating shaft 9 is suspended and separated from the mold tray 18. Further, the upward movement of the peeling claw 15 attached to the second rotating shaft 12 is restricted by the stopper 19, and the tongue piece of the lower claw 15 b of the peeling claw 15 is horizontally aligned with the peripheral rib 18 a of the lowermost mold tray 18. Contacted in state.

Next, the rotating cam 3 is driven by the motor 4.
Is rotated, the cam roller 1a of the first translation cam 1 rotates following the cam surface 3a of the rotary cam 3, and only the first translation cam 1 moves downward. For this reason, as shown in FIG. 5, initially, only the first rotating shaft 9 rotates, and the tip of the hooking lever 17 rotates inward, and the hook-like end of the hook lever 17 forms the peripheral edge of the mold tray 18 of the next stage. The mold tray 18 stacked above the next stage by hooking the rib 18a is held in a suspended state. At this time, the support lever 16 and the peeling claw 15 keep the horizontal state.

As shown in FIG. 6, when the rotation of the rotary cam 3 advances, the second linear cam 6 also moves downward in conjunction with the connecting rod 7, and the second rotary shaft 12 rotates. This allows the support lever 16
Is separated from the mold tray 18 and the peeling claw 15
The upper claw 15a is inserted between the peripheral edge ribs 18a of the lowermost stage and the next stage of the mold tray 18. That is, the peeling nail 1
5, the peripheral rib 18a of the lowermost mold tray 18 is held between the upper and lower claws 15a and 15b. Then, as the rotary cam 3 is further rotated, as shown in FIG.
8 is depressed and peeled off. At this time, support lever 1
No. 6 is in a state rotated about 90 degrees downward from the initial state. In the figure, reference numeral 20 denotes a stopper for preventing the upper claws 15a of the peeling claws 15 from repelling and escaping upward when they come into contact with the peripheral ribs 18a of the mold tray 18. As described above, after the lowermost mold tray 18 has been peeled off, the support lever 16, the catch lever 17, and the peeling claw 15 return to the initial state, and the above-described series of operations are repeated to sequentially move the stacked mold trays 18 from the lowermost row. Peel off one by one. still,
In the present embodiment, a hook-shaped hooking lever 17 is used as a support means for supporting the mold tray 18 at the next stage or higher, and is suspended and held. However, the gist of the present invention is as follows.
When the lowermost mold tray 18 is peeled off, support means for supporting and holding the next or higher mold tray 18 is provided. The present invention is not limited to this embodiment. The supporting means may be constituted by a possible supporting plate.

[0018]

The present invention is configured as described above.
It is possible to achieve the mechanization of the operation of peeling off the laminated mold trays one by one and supplying the mold trays to the egg sorting machine, which has an excellent effect of saving labor.

[Brief description of the drawings]

FIG. 1 is a front view of the device of the present invention.

FIG. 2 is an internal mechanism diagram viewed from a side direction.

FIG. 3 is a plan view of a main part of the device of the present invention.

FIG. 4 is an explanatory view showing an operation process of the device of the present invention.

FIG. 5 is an explanatory view showing an operation process of the device of the present invention.

FIG. 6 is an explanatory view showing an operation process of the device of the present invention.

FIG. 7 is an explanatory view showing an operation process of the device of the present invention.

[Explanation of symbols]

 Reference Signs List 1 1st linear motion cam 1a cam roller 1b cam surface of 1st linear motion cam 1c convex piece 2a guide rail 2b guide rail 3 rotary cam 3a rotary cam surface 4 motor 4a pulley 5 drive belt 6 second linear Moving cam 6a cam groove of the second linear cam 7 connecting rod 7a connecting shaft 7b connecting shaft 8 bearing 9 first rotating shaft 10 lever 10a cam roller 11 bearing 12 second rotating shaft 13 lever 13a cam roller 14 spring 15 Release Claw 15a Upper Claw 15b Lower Claw 16 Support Lever 17 Hook Lever 18 Mold Tray 18a Peripheral Rib of Mold Tray 19 Stopper for Restricting Upward Movement of Release Claw 20 Stopper for Restricting Upward Movement of Upper Claw 21 Limit Switch

────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] June 11, 1997

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0014

[Correction method] Change

[Correction contents]

In the longitudinal direction of the first rotating shaft 9, when one of the lowermost mold trays 18 of the laminated mold trays 18 is peeled off, it serves as support means for supporting and holding the mold trays 18 of the next or higher stage. Four hook-shaped hook levers 1
7 is fixed at an arbitrary interval with the hook portion facing downward. Further, the tray is also arranged in the longitudinal direction of the second rotating shaft 12 .
Four peeling claws 15 at a fixed interval determined by the shape
Has been fixed. Here, the peeling claw 15 has a structure in which two types of long and short upper claws 15a and lower claws 15b are combined, and the peripheral ribs 18 of the mold tray 18 are described later.
a can be held between the two upper claws 15a and the lower claws 15b. Arranged between the two peeling claws 15 is a mold tray 18 laminated in an initial state.
Is a support lever 16 for placing the.

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0016

[Correction method] Change

[Correction contents]

[0016] Next, when the driving of the motor 4 is rotating cam 3 rotates, from the valley of the cam surface 3a of the rotating cam 3 (cam
First translation cam first cam roller 1a following the mountains) is rotated, the first only translation cam 1 is on dynamic. For this reason, as shown in FIG. 5, initially, only the first rotating shaft 9 rotates, and the tip of the hooking lever 17 rotates inward, and the hook-like end of the hook lever 17 forms the peripheral edge of the mold tray 18 of the next stage. The mold tray 18 stacked above the next stage by hooking the rib 18a is held in a suspended state. At this time, the support lever 16 and the peeling claw 15 keep the horizontal state.

[Procedure amendment 3]

[Document name to be amended] Drawing

[Correction target item name] Figure 3

[Correction method] Change

[Correction contents]

FIG. 3

Claims (2)

[Claims] 1. A mold tray peeling mechanism for eggs, wherein the lowermost mold tray of the stacked mold trays is peeled off by a peeling claw, and the mold trays of the next and higher stages are supported and held by supporting means. 2. The chicken egg mold tray peeling mechanism according to claim 1, wherein said support means is a hook-shaped hooking lever, and suspends and holds the mold tray of the next stage or higher.