JP3598399B2 - Mold tray peeling mechanism for eggs - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
In the present invention, in the process of collecting eggs, washing and sorting eggs, the containers (mold trays) used to pack and store the selected eggs are peeled one by one from the stacked ones. It is related with the peeling mechanism with which the mold tray automatic feeder for eggs for feeding to the next work process is equipped.
[0002]
[Prior art]
In the process of washing and selecting eggs, the selected eggs are packed into a mold tray. The mold tray is formed of a single piece of recycled paper into a shape having a plurality of egg-shaped recesses by a mold, for example, FIG. As shown in FIG. 1, it is set in a mold tray feeder of an egg selector in a state where several tens of sheets are stacked. The set mold trays must be peeled one by one and supplied to the egg selector. Conventionally, it is considered difficult to peel the laminated mold trays by a machine, and it has been performed manually.
[0003]
[Problems to be solved by the invention]
In this manual mold tray peeling and feeding work, there is a problem that it usually takes about 4 mold tray feeders per worker and requires a lot of labor. In recent years, when it is difficult to ensure, there has been a desire for mechanization of the above-described work that can save labor. Therefore, the present applicant has proposed this type of apparatus with Japanese Patent Application No. 6-189783 described earlier.
[0004]
The egg mold tray supply apparatus according to Japanese Patent Application No. 6-189783 peels off the uppermost mold tray of the stacked mold trays with a peeling body, and at that time, the next stage mold tray is fixed with a stop body. A mold tray peeling mechanism that operates so that the mold tray is peeled off by the peeling body, a mold tray transfer mechanism that is configured by an arm that holds and transfers the mold tray, and a mold tray raising mechanism that raises the mold tray. It is configured. And by comprising in this way, the laminated | stacked mold tray can be peeled one by one, and it can supply to an egg selector (sorting process), and the said problem is eliminated.
[0005]
The present invention has also been developed to solve the above-described problems, and has an object of providing a peeling mechanism having a novel structure.
[0006]
[Means for Solving the Problems]
In order to solve the above problems, the invention according to a first aspect of the present invention, the second pivot shaft which swings behind the first pivot shaft, swinging in conjunction with the first pivot shaft A holding lever having an abutting portion that is provided so as to be movable and presses and holds the peripheral portion of the laminated mold tray, and is provided so as to be able to swing in conjunction with the first swinging shaft. And a support lever having a support claw for supporting the mold tray that is not held at the contact portion by the mold tray of the next or higher stage, and a mold that is provided so as to be able to receive the laminated mold tray and is linked to the second swing shaft. A cradle lever that is separated from the tray, an arcuate guide portion that is provided so as to be able to swing in conjunction with the second swing shaft and is in contact with the lowermost mold tray supported by the support claws, and the guide portion. Has a peeling claw to peel off the bottom mold tray A release lever is provided, and the stacked mold tray is suspended and supported by the support claw and the contact portion, and the receiving lever is separated from the mold tray, and the lowermost mold tray is pushed down by the release claw. While the peeling lever is configured to be peeled, the arcuate guide portion and the peeling claw are swingably supported at the upper end of the peeling lever via a support pin, and the rear end of the arcuate guide portion A weight is provided so that the arcuate guide part and the peeling claw are always lifted upward and the arcuate guide part is brought into contact with the lowermost mold tray .
[0007]
The invention of claim 2 of the present application is the above claims, in the structure according to claim 1, the abutting portion of the holding lever numerous uneven part slip to engage the periphery of the mold tray on its surface An arc-shaped elastic body having a plurality of mold trays is held by the elastic body several stages above the lowermost mold tray.
[0008]
In the invention according to claim 3 of the present application, in the configuration according to claim 1, the support lever supports the support claw at the lower end portion thereof so that the support claw can swing , and the support lever has a concave portion at the lower end of the tip end. A temporary support portion is provided through the groove, and a rear end portion of the support claw is provided with a weight that keeps the support claw horizontal at all times with respect to the support lever, and the temporary support portion has a peripheral edge of the mold tray. When the support lever is swung to the mold tray side, the temporary support part comes into contact with the lowermost mold tray and the support claw is lowered. It is configured such that it is rocked so that the concave groove is aligned with the lowermost mold tray and at the same time the next mold tray is placed on the support claw.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the peeling apparatus provided with the mold tray peeling mechanism for eggs which concerns on embodiment of this invention is demonstrated based on drawing.
FIG. 1 is a front view of a peeling apparatus equipped with the mechanism of the present invention, FIG. 2 is a side view of a drive unit of the apparatus, FIG. 3 is a partially omitted plan view of the apparatus, and FIGS. 8 and 12 are explanatory views showing the operation process of the mechanism of the present invention.
[0010]
As shown in FIGS. 1 to 3, the first linear cam 1 is fitted so as to be slidable in the vertical direction along two guide rails 2a and 2b extending in parallel. A cam roller 1a is rotatably attached to the motor. The first linear cam 1 is provided with a disk-shaped rotary cam 3 connected to the pulley 4 a of the motor 4 via a drive belt 5, and the linear cam 1 is connected to the rotary cam 3. The cam roller 1a is in circumferential contact. When the rotating cam 3 is rotated by driving the motor 4, the cam roller 1a rotates following the cam surface 3a formed by cutting out the peripheral edge of the rotating cam 3 and a part thereof, and accordingly, the first linear motion is performed. The cam 1 moves up and down repeatedly.
In FIG. 2, reference numeral 20 denotes a limit switch for detecting the downward movement of the first linear cam 1.
[0011]
Below the first linear motion cam 1, a second linear motion cam 6 that is similarly slidably mounted on the guide rails 2a and 2b is attached. The second linear cam 6 is connected to the rotating cam 3 via a rod-like connecting rod 7 and the connecting shafts 7a and 7b are freely rotatable. The second linear cam 6 also moves up and down repeatedly.
[0012]
Overhanging portions having cam surfaces 1 b are provided on both side portions of the lower end of the first linear cam 1, and a first swing shaft 9 that is swingably held by a bearing 8 is provided in the vicinity thereof. ing. Then, the lever 10 having the cam roller 10a sliding on the cam surface 1b of the first linear cam 1 is integrally fixed to and connected to the tip of the first swing shaft 9, whereby the first linear motion As the cam 1 moves up and down, the first swing shaft 9 repeatedly swings left and right.
[0013]
Cam grooves 6a are formed on both sides of the second linear cam 6, and in the vicinity thereof, a second rocking shaft 12 provided directly below and in parallel with the first rocking shaft 9, The bearing 11 is held in a swingable manner. Then, the lever 13 having the cam roller 13a sliding on the cam groove 6a of the second linear cam 6 is integrally fixed and connected to the tip of the second rocking shaft 12, so that the second linear cam With the vertical movement of 6, the second swing shaft 12 repeatedly swings left and right. Reference numeral 14 denotes a spring for urging the cam roller 13a in a direction in which the cam roller 13a is pulled into the cam groove 6a.
[0014]
In the longitudinal direction of the first swing shaft 9, a holding lever that holds and holds the peripheral edge of the laminated mold tray 15 when the lowermost mold tray 15 of the laminated mold tray 15 is peeled off. 16 and a lowermost mold tray 15 and a support lever 17 that supports the mold tray 15 that is not held by the holding lever by the next-stage or higher mold tray 15 are fixed at an arbitrary interval. As shown in FIG. 4, the holding lever 16 supports a T-shaped contact portion 16 a in a side view in a swingable manner at the tip thereof, and the upper portion of the contact portion 16 a is supported by a buffer spring 16 b supported by the holding lever 16. The inclination is maintained at a predetermined angle by a stopper 16c made of an adjusting screw that is urged downward and supported by the holding lever 16. The inclination of the contact portion 16a at any time can be arbitrarily changed and adjusted by changing the protruding amount of the stopper 16c. An uneven elastic body 16d is provided on the surface of the contact portion 16a, and the plurality of mold trays 15 are simultaneously pressed and held by the unevenness of the elastic body 16d. The elastic body 16d holds several tens of mold trays 15 at the same time. It has the strength to suspend and hold. On the other hand, as shown in FIG. 5, the support lever 17 supports the moving body 17a at the tip thereof, a support claw 17b at the tip of the moving body 17a, and a concave groove 17c below the support claw 17b. And a temporary support portion 17d. Here, the temporary support portion 17d is extended to a size that absorbs deformation of the peripheral portion of the mold tray 15, and the concave groove 17c is aligned with the lowermost mold tray 15 via the temporary support portion 17d and at the same time the next mold. The tray 15 is placed on the support claw 17b. The moving body 17a is supported so as to be movable in the length direction with respect to the support lever 17 by a guide bolt 17e and an adjustment bolt 17f with a spring, and the length from the first swing shaft 9 to the support claw 17b can be adjusted. Yes. A weight 17g is provided at the rear end portion of the support claw 17b. With the weight of the weight 17g, the stopper 17h of the weight 17g hits the back of the moving body 17a, and the support claw 17b is held in a substantially horizontal position. In addition, the support lever 17 and the holding lever 16 are arranged symmetrically.
[0015]
In addition, the four peeling levers 18 and the receiving levers 19 are fixed at arbitrary intervals also in the longitudinal direction of the second swing shaft 12. As shown in FIG. 6, an arcuate guide portion 18b and a peeling claw 18c provided integrally with the guide portion 18b are swingably supported on the upper end portion of the peeling lever 18 via a support pin 18a. Yes. A weight 18d is provided at the rear end of the peeling claw 18c so that the peeling claw 18c and the guide portion 18b always maintain an upward posture by the weight 18d. The weight 18d is provided with a stopper 18e made of an adjustment bolt. By adjusting the length of the stopper 18e, the guide portion 18b can be adjusted to face upward more than necessary. On the other hand, as shown in FIG. 7, the receiving lever 19 is used to place the stacked mold trays 15 in the initial state, and swings downward when the lowermost mold tray 15 is peeled off by the peeling claw 18c. It works so as not to prevent the fall. Further, as shown in FIG. 3, the peeling lever 18 and the receiving lever 19 are arranged symmetrically.
[0016]
Next, the operation of the present embodiment will be described with reference to FIGS.
First, in the initial operation state shown in FIG. 8, the laminated mold trays 15 are placed on the receiving lever 19 fixed to the second swing shaft 12 (see the solid line in FIG. 7). . At that time, the support lever 17 fixed to the first swing shaft 9 is located in the suspended position, and the support claw 17b is weighted by the weight 17g and its stopper 17h is in contact with the back of the movable body 17a and is in a substantially horizontal position. It is held and is away from the mold tray 15 (see the solid line in FIG. 5). Further, the holding lever 16 fixed to the first swing shaft 9 is in a standby state with its abutting portion 16a being away from the mold tray 15 (see the solid line in FIG. 4). Further, the peeling lever 18 fixed to the second swing shaft 12 has its arcuate guide portion 18 b in contact with the lowermost mold tray 15, and the peeling claw 18 e is located away from the lowermost mold tray 15. (See the solid line in FIG. 6).
[0017]
Next, when the rotary cam 3 is rotated by driving the motor 4, the cam roller 1a of the first linear cam 1 rotates following the cam surface of the rotary cam 3, and only the first linear cam 1 is movable. . Therefore, as shown in FIG. 9, initially, only the first swing shaft 9 swings and the support lever 17 swings inward, and the lowermost mold tray 15 is placed in the concave groove 17c of the support claw 17b. And the peripheral rib of the next stage mold tray is supported on the support claw 17b directly above (see the phantom line in FIG. 5). At this time, the support claw 17b is rocked and stopped so that the stopper 17g hits the back of the moving body 17a. Further, the holding lever 16 also swings inward by the swing of the first swing shaft 9, and the contact portion 16 a comes into contact with the peripheral end portion of the fourth to seventh steps of the mold tray 15, and the buffer spring. By the action of 16b and the stopper 16c, the mold tray 15 is held in contact with the end of the mold tray 16 (see the phantom line in FIG. 4). Note that the receiving lever 19 still receives the laminated mold tray 15 in the horizontal direction, and the peeling lever 18 is still in a standby state.
[0018]
As shown in FIG. 10, when the rotation of the rotary cam 3 proceeds, the second linear cam 6 also moves downward in conjunction with the connecting rod 7 and the second swing shaft 12 swings. As a result, the receiving lever 19 swings downward, and the receiving lever 19 opens. At this time, the support lever 17 supports the lowermost mold tray 15, the next mold tray 15 and the third mold tray 15 in the state shown in FIG. 9, and the contact portion 16 a of the holding lever 16 The mold tray 15 in the fourth stage or higher is held. Further, the peeling lever 18 also swings downward by the swing of the second swinging shaft 12, and the peeling claw 18 c bites into one end surface of the lowermost mold tray 15, so that the lowermost mold tray 15 is moved to the next stage. Start peeling from the mold tray 15.
[0019]
Then, as the rotating cam 3 further rotates, as shown in FIG. 11, the lowermost mold tray 15 is pushed down by the peeling claw 18c and peeled off (see the phantom line in FIG. 6). At this time, the support claws 17b support the next-stage mold tray 15 and the third-stage mold tray 15, and allow only the lowermost mold tray 15 to be detached against the support force of the temporary support portion 17d. Further, the contact portion 16a of the holding lever 16 holds the mold tray 15 in the fourth or higher stage.
[0020]
As shown in FIG. 12, when the rotary cam 3 further rotates, the cradle lever 19 faces completely downward, and the lowermost mold tray 15 naturally falls (see the phantom line in FIG. 7). At this time, the support claw 17b and the contact portion 16a of the holding lever 16 respectively support the next stage, the third stage, and the fourth stage or more in the same manner as in the case of FIG.
[0021]
Thereafter, when the rotation of the rotary cam 3 further proceeds, the mold returns to the initial state shown in FIG. 8 where the lowermost mold tray 15 where the cradle lever 19 is left is received, and the support lever 17, the holding lever 16 and the peeling lever 18 are also molded. Returning to the initial state of FIG. Thereafter, the above-described operation is repeated, and the laminated mold trays 15 are peeled one by one from the bottom.
[0022]
In the above-described embodiment, since the elastic body 16d having unevenness that engages with the peripheral rib of the mold tray 15 is provided on the surface of the contact portion 16a of the holding lever 16, the lowermost step is formed at the uneven portion of the elastic body 16d. A plurality of mold trays 15 several steps above the mold tray can be securely held, and when the peripheral rib of the mold tray 15 hits, a cushioning action is applied so that the mold tray 15 is not damaged.
[0023]
Further, a lower portion of the support claw 17b of the support lever 17 has a temporary support portion 17d through a concave groove 17c, and the temporary support portion 17d is extended to a size capable of absorbing the deformation of the peripheral rib of the mold tray 15. Since the concave groove 17c is aligned with the lowermost mold tray 15 via the temporary support portion 17d, and the next mold tray 15 is placed on the support claw 17b, the temporary support portion 17d and the concave groove are provided. The lowermost mold tray 15 and the next and higher mold trays 15 can be more effectively supported by the support lever 17 by the guide action of 17c.
[0024]
Further, the inclination of the contact portion 16a of the holding lever 16 can be adjusted, the protruding length of the moving body 17a on the support lever 17 can be adjusted, and the guide portion 18b of the peeling lever 18 can be directed upward. Since adjustment is possible, even if there is some variation in the size of the mold tray 15 to be used, the inclination, protrusion length, or upward orientation of each lever is appropriately adjusted according to the size of the mold tray 15 to be used. Therefore, a smooth peeling operation can be performed easily.
[0025]
In the above-described embodiment, the support claw 17b supports the next stage and the third stage. For example, the support claw 17b has the next stage to the fourth stage, and the contact portion 16a has five stages. Of course, each division may be appropriately changed so as to support the eyes or more.
[0026]
【The invention's effect】
In the present invention, as described above, first, the support lever and the holding lever are swung by the swing of the first swing shaft, and the support claw of the support lever and the contact portion of the holding lever are stacked. The mold tray is suspended and held, and then the receiving lever and the peeling lever are swung by the swinging of the second swinging shaft, so that the receiving lever is separated from the mold tray and the arcuate guide portion of the peeling lever. Since the peeling claw is configured to push down and peel off the lowermost mold tray, the laminated large and heavy mold tray for eggs is shared by the support claw and the abutment part and securely peeled off. The levers can be peeled accurately one by one through the arcuate guide portion and fed to the egg selector. In addition, the arcuate guide part and the peeling claw are swingably supported at the upper end of the peeling lever via a support pin, and the arcuate guide part is provided at the rear end of the arcuate guide part. Since the weight is provided so that the peeling claw is always lifted upward and the arcuate guide part is brought into contact with the lowermost mold tray, the mold mold tray has a large and heavy weight. Even if the tray undulates up and down, it is possible to keep the arcuate guide part of the peeling lever in constant contact with the lower end of the tray. Guide the peeling claw securely into the end of the lowermost mold tray while keeping the arcuate guide part in contact with the lower end surface of the lowermost mold tray. It can be peeled off of the mold tray accurately.
[0027]
Also includes an arcuate resilient member having a plurality of uneven portions which contact portion is slip to engage the periphery of the mold tray to the surface of the holding lever, several stages from the bottom of the mold tray by the elastic member if to hold a plurality of mold trays above without slippage multiple mold trays on several stages from the bottom of the mold tray in a concavo-convex portion of the elastic member can be held reliably firmly.
[0028]
Further, the support lever supports the support claw at the lower end portion thereof so that the support claw can swing. The support claw has a temporary support portion through a concave groove at the lower end of the support claw, and a support claw at the rear end portion of the support claw. The temporary support portion is extended in an arc shape downward so as to absorb the deformation of the peripheral portion of the mold tray, and the support lever is When the mold tray is swung to the mold tray side, the temporary support portion comes into contact with the lowermost mold tray to swing the support claw downward, and the concave groove is aligned with the lowermost mold tray and at the same time the next mold. If the tray is configured to be placed on the support claw , the lowermost mold tray and the next or higher mold tray can be more effectively supported by the support claw by the guide action of the temporary support portion and the concave groove. .
[Brief description of the drawings]
FIG. 1 is a front view of a peeling apparatus provided with a mechanism of the present invention.
FIG. 2 is a side view of the drive unit of the apparatus.
FIG. 3 is a partially omitted plan view of the apparatus.
FIG. 4 is an enlarged side view of a holding lever in the mechanism of the present invention.
FIG. 5 is an enlarged side view of a support lever in the mechanism of the present invention.
FIG. 6 is an enlarged side view of a peeling lever in the mechanism of the present invention.
FIG. 7 is an enlarged side view of a receiving lever in the mechanism of the present invention.
FIG. 8 is an explanatory view showing an operation process of the device of the present invention.
FIG. 9 is an explanatory view showing an operation process of the device of the present invention.
FIG. 10 is an explanatory view showing an operation process of the device of the present invention.
FIG. 11 is an explanatory view showing an operation process of the device of the present invention.
FIG. 12 is an explanatory view showing an operation process of the device of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 1st linear motion cam 1a Cam roller 1b Cam surface 1c of 1st linear motion cam Convex piece 2a Guide rail 2b Guide rail 3 Rotating cam 4 Motor 4a Pulley 5 Drive belt 6 2nd linear motion cam 6a 2nd linear motion cam The cam groove 7 of the moving cam 7 The connecting rod 7a The connecting shaft 7b The connecting shaft 8 The bearing 9 The first swing shaft 10 The lever 10a The cam roller 11 The bearing 12 The second swing shaft 13 The lever 13a The cam roller 14 The spring 15 The mold tray 16 The holding lever 16a Contact portion 16b Buffer spring 16c Stopper 16d Elastic body 17 Support lever 17a Moving body 17b Support claw 17c Concave groove 17d Temporary support portion 17e Guide bolt 17f Adjustment bolt with spring 17g Weight 17h Stopper 18 Release lever 18a Support pin 18b Arc-shaped guide portion 18c Peeling claw 18d Weight 18e Stopper 19 Base lever 20 Limit switch

Claims (3)

A second pivot shaft which swings behind the first pivot shaft, swingably provided in conjunction with the first swing axis, holds down the periphery of the stacked molded trays A holding lever with an abutment part and a rocker that can be swung in conjunction with the first rocking shaft, support the mold tray that is not held by the abutment part with the lowermost mold tray and the mold tray at the next or higher stage. A support lever having a supporting claw, a receiving lever provided to be able to receive the laminated mold trays and being separated from the mold tray in conjunction with the second swing shaft, and in conjunction with the second swing shaft. An arcuate guide portion that is provided so as to be swingable and is in contact with the lowermost mold tray supported by the support claws, and a peeling lever having a peeling claw that peels off the lowermost mold tray following the guide portion, and is laminated. The molded mold tray is In a state where the abutting portion and the suspension in lowered supporting the, causes separating the cradle lever from the mold tray, while constituting the bottom of the mold tray so as to peel off depressed by the separation claw, the above-mentioned peeling lever, an upper end The arcuate guide part and the peeling claw are swingably supported by the part via a support pin, and the arcuate guide part and the peeling claw are normally lifted upward at the rear end of the arcuate guide part. A mold tray peeling mechanism for eggs, characterized in that a weight for bringing the arcuate guide portion into contact with the lowermost mold tray is provided . It includes an arcuate resilient member abutting portion of the holding lever has multiple uneven part slip to engage the periphery of the mold tray on its surface, on several stages from the bottom of the mold tray by the elastic member The mold tray peeling mechanism for eggs according to claim 1, wherein a plurality of mold trays are held. The support lever supports the support claw at the lower end portion thereof so that the support claw can swing, and has a temporary support portion through a concave groove at the lower end of the support claw and supports the support claw at the rear end portion of the support claw. The temporary support portion is extended in a circular arc downward with a dimension capable of absorbing the deformation of the peripheral portion of the mold tray, and the support lever is attached to the mold tray. The temporary support portion abuts on the lowermost mold tray to swing the support claw downward, and the concave groove is aligned with the lowermost mold tray. The chicken egg mold tray peeling mechanism according to claim 1, wherein the mold tray peeling mechanism is configured to be placed on a support claw.

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