KR102087077B1 - Auto separating device for food tray - Google Patents

Abstract

The present invention relates to an automatic food tray separation device, wherein a rotating separation unit separates a plurality of stacked food trays into individual pieces while rotating, rotating support units are installed on both sides of the rotating separation unit to stably support edges of the food trays, and the rotating separation unit and a driving unit are eccentrically connected by a connection crank, so that the rotating separation unit rotates repeatedly for a certain section, thereby simplifying a structure and realizing miniaturization to increase space efficiency.

Description

Auto separating device for food tray

The present invention relates to an automatic plate feeder, and more specifically, while the rotating separator rotates, separates a plurality of stacked plates into pieces, and rotating supports are installed on both sides of the rotating separator to stably support the edges of the plate. It relates to an automatic plate separation device that increases the space efficiency by simplifying the structure and miniaturizing the rotational separation part because the rotational separation part and the driving part are eccentrically connected by a connection crank, so that the rotational separation part repeatedly rotates only a certain section.

In general, in places where group meals are provided, such as schools, public institutions, troops, rest areas, etc., a large amount of food is used. After eating, these foods must be thoroughly cleaned after meals. A dishwasher is provided to automatically clean the tray.

A conventional dishwasher mainly includes a conveying device for conveying a plate, a spray nozzle for spraying water up and down of the plate conveyed by the conveying device, and a brush for wiping foreign substances by rubbing the plate conveyed by the conveying device, It is composed of the transfer device, spray nozzle, case surrounding the brush, and the like.

However, the conventional dishwasher configured as described above has a inconvenience in that a user or an operator has to manually supply the plates one by one to the transfer device, and thus there is a need for technology development capable of resolving such inconveniences.

As the proposed technology for this purpose, Korean Patent Publication No. 10-2012-0021511 has presented an automatic plate feeding device, but this also has a problem in that the efficiency of washing the plate is reduced because it is not easy to supply a large amount of plates.

In addition, Korean Registered Patent No. 10-1129371 suggested a dishwasher, but the dishwasher rotates the plate separation shaft installed on the guide bar with a bevel gear, which increases the manufacturing cost and the number of parts due to the complicated structure. There was a problem in that the malfunction of the device caused the smooth supply of food plates, and the maintenance cost increased.

Republic of Korea Patent Publication No. 10-2012-0021511 (2012.03.09. Public) Republic of Korea Registered Patent No. 10-1129371 (Registration on March 15, 2012)

In view of the above-mentioned problems, the object of the present invention is to provide an automatic plate separation device that separates a plurality of stacked plates into pieces and supplies them to a conveyor while the rotating separator rotates.

In addition, another object of the present invention is to provide an automatic plate separation device capable of stably supporting the edge of the plate is provided with rotating support portions on both sides of the rotating separator.

In addition, another object of the present invention is a rotating separation unit and the driving unit is eccentrically connected by a connecting crank, so that the rotating separation unit rotates only a certain section repeatedly, thereby simplifying the structure and realizing miniaturization to increase the space efficiency. It is in offer.

In addition, another object of the present invention is to provide an automatic plate separation device capable of forming a secondary separation blade that rotates in the opposite direction to the separation blade to prevent the sliding phenomenon of the plate and to perform the separation operation more stably.

The present invention has been devised to solve the above problems, and the automatic plate separation device according to the present invention is provided on the upper frame of both sides of the inlet on which the plate is loaded, and rotates repeatedly by a driving unit for a predetermined section to separate the plate loaded at the entrance. A rotation separating part;

When the driven gear engages and rotates with the drive gear of the rotation separating part, and when the driven gear deviates from the inlet side due to the rotation of the supporting boss, the plate is dropped to the upper part of the conveyor and supplied. A rotation support portion supporting an edge;

A drive unit for rotating the boss of the rotation separating part while the connection crank is eccentrically rotated by the drive of the drive motor;

It is characterized in that the cover is fixed to the upper portion of the frame to protect the rotating separation portion and the rotating support portion and the driving portion.

The rotation separating portion is mounted on the top of the frame boss to rotate by driving of the drive unit; A driving gear formed on a part of the outer circumferential surface of the lower portion of the boss; A separation blade formed in a spiral shape on a part of the outer circumferential surface of the boss of the drive gear to separate the plate into pieces while supporting the edge of the plate; A separation inclined surface is provided so as to be inclined at a predetermined angle to the distal end of the separation wing, and the separation wing 113 in a state where the driven gear 122 of the rotation support 120 is positioned toward the entrance to support the edge of the plate 20 Is inserted between the plate 20 and the plate 20, and the driven gear 122, which supported the edge of the plate 20, is separated from the inlet side to separate the plate 20 located at the bottom.

In addition, the rotation separation portion, the rotation guide hole formed through the boss of the other side of the separation blade; An inner boss inserted into the boss and rotating in the opposite direction to the boss; An auxiliary separation blade formed in a spiral shape on a part of the outer circumferential surface of the inner boss and rotating in a direction opposite to the separation blade in the rotation guide hole, separating the plate into pieces while supporting the edge of the plate; A rotating hole formed through an arc in an upper portion of the boss; One end is rotatably coupled to the shaft hole of the connecting crank, and the other end is coupled to the rotation guide hole of the inner boss through the rotating hole, and an auxiliary connecting crank is further provided to rotate the inner boss by the operation of the connecting crank.

The rotation support portion, a support boss that is rotatably fixed to a position close to the boss of the rotation separation portion; It is formed on a part of the outer circumferential surface of the lower portion of the support boss, and includes a driven gear that meshes with a drive gear of the rotary separator, and the rotary supports are respectively installed on both sides of the rotary separator to stably support the plate so that it does not hit one side.

The drive unit, a rotation shaft that rotates by driving the drive motor; One end is fixed eccentrically to one side of the rotating shaft of the rotating shaft, and the other end is provided with a connecting crank that is eccentrically fixed to one side of the rotating shaft to the upper surface of the boss of the rotational separation unit.

According to the automatic plate separation device of the present invention, as the rotating separator rotates, a plurality of stacked plates are separated and supplied to a conveyor, thereby improving work efficiency.

Further, according to the automatic plate separation device of the present invention, the rotating support is installed on both sides of the rotating separator, there is an effect that can stably support the edge of the plate.

In addition, according to the automatic plate separation device of the present invention, since the rotating separator and the driving part are eccentrically connected by the connecting crank, the rotating separator repeatedly rotates only a certain section, thereby simplifying the structure and realizing miniaturization, thereby increasing space efficiency. have.

In addition, according to the automatic separation device according to the present invention, it is possible to form a secondary separation blade that rotates in the opposite direction to the separation blade to prevent the phenomenon of pushing the plate and to perform the separation operation more stably.

1 is a front view of a dishwasher to which the present invention is applied.
2 is a plan view of a dishwasher to which the present invention is applied.
3 is a perspective view of the automatic plate separation device of the present invention.
4 is a plan view of the automatic plate separation device according to the present invention, and is a state diagram in which the plate is mounted on the top of the drive gear and the driven gear.
5 is a front view of FIG. 4.
6 is an operating state diagram of the automatic plate separation device according to the present invention, and the separation blade is rotated to be inserted between the plate and the plate.
FIG. 7 is a front view of FIG. 6, in which a separation blade is inserted between the plate and the plate to separate the plate.
8 is an exploded perspective view showing another embodiment of the present invention rotating separation unit.
9 to 10 is a plan configuration diagram showing the operating state of the present invention rotation separation unit.

Hereinafter, other objects and features of the present invention in addition to the above object will be apparent through the description of the embodiment with reference to the accompanying drawings, and unless otherwise defined, all terms used herein, including technical or scientific terms, are It has the same meaning as generally understood by a person skilled in the art to which the invention pertains.

Terms such as those defined in a commonly used dictionary should be interpreted as having meanings consistent with meanings in the context of related technologies, and should not be interpreted as ideal or excessively formal meanings unless explicitly defined in the present application. Does not.

1 is a front view of a plate washer to which the present invention is applied, FIG. 2 is a plan view of a plate washer to which the present invention is applied, and FIG. 3 is a perspective view of the automatic plate separator of the present invention.

First, the dishwasher is provided with an inlet 11 through which the plate 20 is placed on one side of the frame 10 and an outlet 12 through which the plate 20 is discharged.

A conveyor 13 is installed at the inlet 11 and the outlet 12 of the upper portion of the frame 10 so as to transfer the food plate 20, and foods buried in the food plate 20 are installed in the central portion of the conveyor 13. At least one brush 14 is installed to clean the debris.

On one side of the brush 14, water stored in the washing bucket 15 is pumped through the high pressure pump 16, and a water jet 17 is installed to wash the plate 20 by spraying the pumped water, The dishwasher has the same configuration and operation as a conventional dishwasher, so a detailed description is omitted.

The automatic plate separation device 100 of the present invention, as shown in FIG. 3, is composed of a rotation separation unit 110, a rotation support unit 120, a driving unit 130, and a cover 140.

The rotation separating part 110 is provided on the upper part of the frame 10 and is respectively installed on both sides of the inlet 11.

The rotation separating part 110 is rotated by the driving part 130, but a plurality of stacked plates while repeatedly rotating only a partial section by a connecting crank 132 eccentrically connected to the boss 111 and the rotating shaft 131 ( 20) is separated individually.

The rotation separating part 110 includes a boss 111, a driving gear 112, and a separating blade 113.

The boss 111 is mounted on the top of the frame 10 is coupled by a central axis to rotate by the drive of the driving unit 130, the driving gear 112 is formed on the lower outer peripheral surface of the boss 111.

The driving gear 112 is preferably formed only on a portion of the boss 111 instead of the entire outer circumferential surface, and serves to rotate the driven gear 122 and support the lower portion of the plate 20.

The separation wing 113 is formed on the upper portion of the driving gear 112, and is formed only on a portion of the boss 111 rather than the entire outer circumferential surface to serve to separate the plate 20.

Here, the separation wing 113 is formed in a spiral shape, and the front end of the separation wing 113 is formed with a separation slope 114 so as to be inclined at a certain angle.

When the drive gear 112 of the rotation separating part 110 is rotated so as to be located on the side of the inlet 11, the separation wing 113 is moved off the side of the inlet 11 and positioned on the frame 10, and vice versa When the driving gear 112 moves out of the inlet 11 side and is positioned above the frame 10, the separating blade 113 is positioned toward the inlet 11 side.

8 shows another embodiment of the present invention, the rotating separation unit 110, the auxiliary separation blade 117 to rotate the opposite direction of the separation blade 113 to more stable and smooth separation of the plate 20 It may be further formed.

In order to form the auxiliary separation blade 117 as described above, a configuration capable of rotating it must be added, which will be described in more detail as follows.

First, the rotation guide hole 115 through which the auxiliary separation blade 117 can rotate must be formed on the outer circumferential surface of the boss 111, and the rotation guide hole 115 is opposite to the position where the separation blade 113 is formed. It is preferably formed in the direction.

The rotation guide hole 115 is fitted with an auxiliary separation blade 117 so as to protrude toward the driving gear 112 and to form an inclined separation surface 114 so as to be inclined at a predetermined angle at the front end, the auxiliary separation wing 117 has an inner boss ( It may be fixed integrally to 116) or fixed by welding, or may be fixed in an interference-fitting manner by forming grooves on the outer circumferential surface of the inner boss 116.

The inner boss 116 is inserted into the inner side of the boss 111 and coupled by the central axis, and rotates by the operation of the auxiliary connecting crank 119, but rotates in the opposite direction to the boss 111.

A rotation guide hole 116a is formed on an upper surface of the inner boss 116 so as to be rotatably coupled with the auxiliary connection crank 119.

A rotating hole 118 is formed in an arc shape on the upper portion of the boss 111 to guide the rotation of the axial pins that rotatably fix the auxiliary connecting crank 119 and the inner boss 116.

When the auxiliary connecting crank 119 is operated in conjunction with the connecting crank 132 by the driving of the driving motor 133, the shaft pin is repeatedly moved within the rotating hole 118 and simultaneously repeats the inner boss 116 in both directions. In this case, it is preferable that the inner boss 116 rotates in the opposite direction to the boss 111.

The auxiliary connection crank 119 is one end is rotatably fixed with an axial pin to the shaft hole 132a formed in the connection crank 132, and the other end is an inner boss (118) from the auxiliary connection crank 119 through the rotating hole 118. The rotation guide hole 116a of 116) is fixed to be rotatable.

In addition, the rotation support unit 120 rotates in engagement with the rotation separation unit 110, and is rotatably installed at a position close to the rotation separation unit 110.

The rotating support part 120 is composed of a support boss 121 and a driven gear 122, and the driven gear 122 is formed only on a portion of the lower outer circumferential surface of the support boss 121 rather than the whole of the support boss 121. It is engaged with the driving gear 112 of the rotation separating part 110.

The rotation support 120 is preferably formed on one side of the rotation separation unit 110, but is installed on both sides of the rotation separation unit 110 to support the lower portion of the plate 20 so that the plate 20 is struck to one side. It can also be stably supported so as not to be supported.

Here, the driving gear 112 and the driven gear 122 serve to support the lower portion of the edge of the food plate 20 and rotate integrally in a meshed state.

When the driving gear 112 and the driven gear 122 support the food plate 20, the driving gear 112 and the driven gear 122 are positioned to protrude toward the inlet 11 of the frame 10, and the driving gear 112 and the driven gear 122 are When protruding to the inlet 11 side, the separation wing 113 of the rotation separating part 110 is positioned on the upper side of the frame 10 away from the inlet 11 side.

In addition, the driving unit 130 rotates the rotation separating unit 110 by driving the driving motor 133.

The driving unit 130 is composed of a rotating shaft 131 and a connecting crank 132, and the rotating shaft 131 is rotated in one direction by rotation of the driving motor 133.

The connecting crank 132 connects the rotating shaft 131 and the boss 111 of the rotating separation unit 110, one end of the connecting crank 132 is eccentrically fixed to one side of the rotating shaft of the rotating shaft 131, The other end of the connection crank 132 is eccentrically fixed to one side of the rotation shaft on the upper surface of the boss 111 so as not to rotate the rotation separating part 110 in one direction, but to make a forward and reverse rotation.

In addition, the cover 140 is fixed to the upper portion of the frame 10, and covers the rotation separation unit 110, the rotation support 120, and the driving unit 130 installed on the frame 10 to prevent shock from the outside. At the same time, it protects against foreign substances and helps organic operation.

In addition, another rotation separation unit 110 ′ may be installed on one side of the frame 10 spaced a predetermined distance from the rotation separation unit 110.

By installing the rotary separation unit 110 ', the distance from the rotary separation unit 110 is increased to stably support the lower portion of the food plate 20.

Unlike the driving unit 130 that drives the rotary separation unit 110 ′, the driving unit 130 ′ is separately installed to drive the rotation separation unit 110 ′.

The rotation separating part 110 'and the driving part 130' are the same as the existing rotation separating part 110 and the driving part 130, and the rotation separating part 110 'and the driving part 130' are The conventional rotation separation unit 110 and the driving unit 130 are installed to be symmetric with each other.

That is, the boss 111 of the rotation separation unit 110 'rotates in a different direction from the boss 111 of the existing rotation separation unit 110, and the separation blade 113 also includes an existing rotation separation unit ( The separation blade 113 of 110) is rotated in different directions.

Therefore, when the separation blade 113 rotates in the same direction, the phenomenon that the plate 20 is pushed by the rotational force occurs, but the plate 20 is rotated by causing the separation blade 113 to rotate in different directions as described above. It is possible to prevent the phenomenon of being pushed.

The operating state of the automatic plate separation device 100 of the present invention configured as described above will be described in detail as follows.

First, as shown in Figures 4 to 5, a plurality of plate 20 is in a state in which the inlet 12 of the frame 10 is raised, the lower end of the plate 20 of the rotating support 120 The driven gear 122 is placed on the upper portion.

That is, in the initial state in which the automatic plate separation device 100 does not operate, the driven gear 122 rotates and is located toward the inlet 12 side of the frame 10, so the lower end of the plate 20 is driven. It can be seated on the top and supported.

When the drive plate 133 of the driving unit 130 is driven and rotated in one direction while the plate 20 is supported by the driven gear 122 of the rotating support unit 120 as shown above, shown in FIGS. 6 to 7 As shown, the connecting crank 132 eccentrically connected to the rotating shaft 131 repeatedly rotates the boss 111 of the rotating separation unit 110 in both directions.

The driven gear 122 of the rotation support 120 is engaged with the driving gear 112 to rotate repeatedly in both directions.

At this time, the front end of the separation wing 113 located on the upper part of the frame 10 rotates toward the entrance 11, and at the same time, the driving gear 112 and the driven gear 122 located on the entrance 11 side are the entrance ( 11) Off the side will be located on top of the frame (10).

 Here, the separation wing 113 is inserted between the food plate 20 and the food plate 20 to separate the food plate 20 into individual pieces, and a separation inclined surface 114 is formed at a front end of the separation wing 113 It can be easily inserted between the plate 20 and the plate 20, and the separation blade 113 is formed in a spiral shape, so that it is inserted between the plate 20 and the plate 20, and at the same time, the bottom plate 20 is located. Can be accurately separated.

The food plate 20 separated as described above naturally falls to the top of the conveyor 13, and the food plate 20 seated on the conveyor 13 is transferred to the front side of the outlet 12 side by the conveyor 13 At the same time, high pressure water is sprayed from the lower portion of the food plate 20 by the water spray part 17, and at the same time, the food waste remaining on the surface of the food plate 20 is rotated while the brush 14 is rotated at the lower and upper parts of the food plate 20. Wipe off.

When the food plate 20 is transported along the conveyor 13 as described above, when food waste remaining on the food plate 20 is completely removed, the food tray 18 provided in front of the outlet 12 side of the frame 10 is removed. ) Is transferred to the plate 20 is sequentially stacked.

In addition, as shown in FIGS. 9 to 10, when the rotation shaft 131 rotates in one direction by driving of the driving unit 130, the connection crank 132 eccentrically connected to the rotation shaft 131 rotates The boss 111 of 110 is repeatedly rotated in both directions, and the auxiliary connection crank 119 installed in the connection crank 132 repeatedly rotates the inner boss 116 in both directions to form an opposite direction to the boss 111. do.

At this time, the boss 111 is rotated by the connecting crank 132, and at the same time, the separation wing 113 is positioned toward the inlet 11 of the frame 10, and the shaft pin of the auxiliary connecting crank 119 is a rotating hole ( It moves repeatedly along 118), and the auxiliary separation blade 117 is positioned toward the inlet 11 of the frame 10 to separate the food plate 20 into pieces.

That is, since the separation blade 113 and the auxiliary separation blade 117 are rotated in different directions to separate the food plate 20, the separation operation can be more stably performed while preventing the food plate 20 from being pushed. will be.

As described above, although the present invention has been described by limited embodiments and drawings, terms or words used in the present specification and claims should not be interpreted as being limited to a conventional or dictionary meaning, and to the technical spirit of the present invention. It must be interpreted as a match meaning and concept.

Therefore, the embodiments shown in the embodiments and the drawings described in this specification are only exemplary embodiments of the present invention, and do not represent all of the technical spirit of the present invention, and are not limited to the scope of the claims of the present invention. It should be understood that there may be equivalents and variations.

100: separator
110: rotating separator 111: boss
112: drive gear 113: separation wing
114: separating slope 115: rotating guide hole
116: inner boss 117: auxiliary separation wing
118: rotating hole 119: auxiliary connection crank
120: rotating support 121: support boss
122: driven gear
130: driving unit 131: rotary shaft
132: connecting crank 133: drive motor
140: cover

Claims (5)

A rotating separation unit 110 provided on the frame 10 on both sides of the inlet on which the food plate 20 is loaded, and separating the food plate 20 loaded at the entrance into pieces while repeatedly rotating by a driving unit 130 for a predetermined period;
When the driven gear 122 is engaged with the driving gear 112 of the rotation separating part 110 and rotates, and the driven gear 122 moves out of the inlet side by the rotation of the support boss 121, the food plate 20 is moved to the upper part of the conveyor. A rotation support unit 120 supporting the edge of the plate 20 when the driven gear 122 is positioned toward the inlet side by supplying by dropping and rotating the support boss 121;
A driving unit 130 rotating the boss 111 of the rotation separating unit 110 while the connection crank 132 is eccentrically rotated by the driving of the driving motor 133;
The cover 140 is fixed to the upper portion of the frame 10 to cover and protect the rotation separating part 110, the rotation supporting part 120, and the driving part 130,
The rotation separator 110,
A boss 111 mounted on the frame 10 and rotating by driving of the driving unit 130;
A driving gear 112 formed on a portion of the outer circumferential surface of the lower portion of the boss 111;
Separation blade 113 is formed in a spiral on a portion of the outer peripheral surface of the boss 111, the upper portion of the drive gear 112, while supporting the edge of the plate 20 to separate the plate 20 into a single;
A separation inclined surface 114 is provided to incline at a predetermined angle to the front end of the separation wing 113,
The separation blade 113 is inserted between the plate 20 and the plate 20 in a state where the driven gear 122 of the rotation support 120 is positioned toward the entrance to support the edge of the plate 20, and the plate 20 ) A driven automatic separation device characterized in that the driven gear (122) that supported the edge is separated from the inlet side to separate the food plate (20) located at the bottom.
delete The method according to claim 1,
A rotation guide hole 115 formed to penetrate the boss 111 of the other side of the separation wing 113;
An inner boss 116 inserted into the boss 111 and rotating in the opposite direction to the boss 111;
It is formed in a spiral on a part of the outer circumferential surface of the inner boss 116 and rotates in the opposite direction to the separating blade 113 in the rotation guide hole 115 while supporting the edge of the plate 20 and separating the plate 20 into pieces. An auxiliary separation wing 117;
A rotating hole 118 formed in an arc shape on an upper portion of the boss 111;
One end is rotatably coupled to the shaft hole 132a of the connection crank 132, and the other end is coupled to the rotation guide hole 116a of the inner boss 116 through the rotation hole 118 of the connection crank 132 Automatic plate separation device, characterized in that further provided with a secondary connection crank (119) for rotating the inner boss 116 by operation.
The method according to claim 1, the rotation support 120,
A support boss 121 rotatably fixed to a position proximate to the boss 111 of the rotation separating part 110;
It is formed on a part of the outer circumferential surface of the lower portion of the support boss 121, and includes a driven gear 122 that meshes with the drive gear 112 of the rotation separating part 110,
The rotating support unit 120 is installed on both sides of the rotating separation unit 110, the food plate automatic separation device, characterized in that stably supports so that the plate 20 does not hit one side.
The method according to claim 1, The driving unit 130,
A rotating shaft 131 that rotates by driving of the driving motor 133; `
One end is fixed eccentrically to one side of the rotation shaft of the rotation shaft 131, the other end is provided with a connecting crank 132 that is eccentrically fixed to one side of the rotation shaft on the upper surface of the boss 111 of the rotation separation unit 110 Automatic plate separation device.

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