KR20220105104A - The feed gear for dish washer - Google Patents

Abstract

The present invention relates to a dish-transporting device for a conveyor dishwashing machine having an improved dish-transporting structure. More specifically, the present invention relates to a dish-transporting device for a conveyor dishwashing machine having an improved dish-transporting structure configured such that dishes are arranged in an upright position so as to allow the dishes to pass in the longitudinal direction thereof through a washing/rinsing unit, wherein the washing/rinsing unit sprays washing/rinsing water toward the dishes. According to the present invention, foreign substances on the surface of the dishes can be washed and rinsed by the sprayed washing/rinsing water.

Description

The feed gear for dish washer

The present invention relates to a dish transporting device for a dishwasher, and more particularly, by arranging the dishes to stand upright, passing the washing and rinsing water sprayed through the washing and rinsing part in the longitudinal direction, The present invention relates to a dish transfer device for a dishwasher that washes and rinses foreign substances.

In general, a dishwasher is to automatically wash and dry a large amount of tableware, for example, plates, soup bowls, plates, etc., and is mainly installed and used in large-scale restaurants or group cafeterias such as hotels, hospitals, schools, factories, military, etc.

Such a dish washing machine includes: a dish transfer device for moving the dishes to automatically wash a large amount of dishes; A spray nozzle for spraying washing and rinsing water is disposed on the surface of the dish moved in the longitudinal direction through the dish transfer device.

And, the dish transfer device includes a drive shaft; driven shaft; It is shoulder-mounted between the drive shaft and the driven shaft in the form of an endless track, is continuously pulled in one direction by rotation of the drive shaft in one direction, and is moved in one direction, and includes a dish conveying belt for arranging the dishes seated through the support fingers in an upright state, respectively. It consists of a conveyor structure.

Accordingly, the dishes seated on the tableware transport belt of the tableware transport device pass through the rinse washing section by the transport action of the tableware transport belt, and during this process, rinsing is performed by the rinsing washing water sprayed into the rinsing washing section.

However, since the dish conveying belt constituting the dish conveying device is configured to move only the rinsing washing section in a horizontally deployed state, as a result, the support fingers disposed on the dish conveying belt to support the dish at an angle are always at a constant angle. support the dishes.

Therefore, the dishes seated on the tableware transport belt always move in the rinsing washing section while maintaining a constant angle. Cleaning blind areas are inevitably generated.

Such a washing blind area may be formed by adjacent dishes or formed by a standing angle. However, if a washing blind area to which the rinsing washing water cannot reach occurs, it is difficult to achieve stable rinsing and washing of the dishes.

On the other hand, the present inventors through the Republic of Korea Patent Registration Publication No. 10-2039975 in order to overcome this problem and a drive shaft; driven shaft; It is shoulder-mounted between the drive shaft and the driven shaft in the form of an endless track, is continuously pulled in one direction by rotation of the drive shaft in one direction, and is moved in one direction, and includes a dish conveying belt for arranging the dishes seated through the support fingers in an upright state, respectively. Containing a conveyor structure,

The tableware transport belt is disposed on the movement path of the tableware transport belt and is guided to be moved by being pulled in one direction to be bent, and the tableware transport belt is bent up and down, and the support fingers for supporting the tableware are rotated in the front and rear directions to support the tableware. There has been proposed a dish transfer device for a dish washing machine further comprising a bending guide guide unit for changing an angle.

As described above, when the standing angles of the dishes are changed by the bending guide part, the dishes arranged to stand up on the transfer belt do not inevitably generate a rectangular area where the rinsing water does not reach by the adjacent dishes, so each part of the dishes The washing and rinsing water is stably sprayed on the top to enable even washing and rinsing.

In addition, the prior design proposes a rolling roller-type bending guide guide to prevent physical friction between the dish conveying belt and the bending guide, thereby preventing damage to the dish conveying belt.

KR 10-2039975 KR 10-1253000 KR 20-0147299 KR 20-0277669 KR 10-0977943

An object of the present invention is to pass the washing and rinsing unit in the longitudinal direction through the dishes arranged in a standing state on the tableware transfer belt, the dishes may physically interfere with the inner wall of the washing/rinsing unit to disturb the alignment, or the dishes may be moved in the front-rear direction. By preventing the phenomenon of being tilted excessively in the forward and backward directions during the turning tilting transfer process,

An object of the present invention is to provide a tableware transport device for a dishwasher that suppresses the occurrence of a washing dead area by exposing the dishes to washing and rinsing water at various angles along with the stable transport of the dishes.

The above object is achieved by the following configuration provided in the present invention.

A dish transfer device for a dish washing machine, which is proposed as a preferred embodiment in the present invention,

a drive shaft; driven shaft; A tableware transport belt composed of an annular body assembled with a link structure in which a plurality of support fingers for supporting the dishes to stand upright are shoulder-attached between the drive shaft and the driven shaft in the form of a caterpillar and towed and moved in the longitudinal direction by unidirectional rotation of the drive shaft Consists of a conveyor structure comprising a,

At the upper side end of the movement path of the dish conveying belt moving in the longitudinal direction, a guide guide protruding toward the side end of the dish conveying belt and interfering with the conveyed dish inwardly to move and align the dish into the dish conveying belt; It is characterized in that an alignment inducing structure is formed.

A dish transfer device for a dish washing machine, which is proposed as another embodiment in the present invention,

a drive shaft; driven shaft; A tableware transport belt composed of an annular body assembled with a link structure in which a plurality of support fingers for supporting the dishes to stand upright are shoulder-attached between the drive shaft and the driven shaft in the form of a caterpillar and towed and moved in the longitudinal direction by unidirectional rotation of the drive shaft Consists of a conveyor structure comprising a,

At the lower portion of the transfer path of the dish transfer belt, a bottom surface of the transfer belt passing through the washing and rinsing unit is supported to protrude upwardly and the dish transfer belt is bent in an arcuate shape, thereby supporting the transfer belt on the transfer path of the dish transfer belt. An upward bending guide forming a tilting transfer section in which the dishes supported on the fingers are tilted in the front and rear directions is disposed,

A bending induction structure having a guide guide for downwardly supporting the dish conveying belt bent upward by the upward bending guide is disposed at the entry part of the tilting transport section formed by the upward bending guide and the exit part of the tilting transport section. characterized in that

As described above, in the present invention, an alignment guide structure for inducingly interfering with the dishes protruding from the side ends of the dish conveying belt to move them inside the dish conveying belt, and the dish conveying belt bent upward by the upward bending guide A bending induction structure is added that presses down the entry and exit of the plate so that the dish conveying belt bends upward in a standardized trajectory according to the curvature of the upward bending guide.

Accordingly, the present invention relates to a phenomenon in which, when the standing dishes are transported to the washing and rinsing unit in the longitudinal direction through the dish transport belt, the dishes interfere with the inner wall of the washing and rinsing unit or excessively rotate in the front-rear direction, causing the dishes to twist or fall. This is prevented, and as a result, operational stability according to the transport of the dishes is ensured.

In particular, according to the present invention, the dishes passing through the washing and rinsing unit are twisted because the arrangement of the dishes protruding from the outer end of the dish transfer belt through the guide guide and the standardized upward bending of the dish transfer belt forming the tilting transfer section are formed. Since the problem of falling or falling is solved, it has the specificity that it is possible to secure improved operational stability and work continuity according to dish washing and rinsing.

1 shows the overall configuration of a dish transfer device for a dish washing machine, which is proposed as a preferred embodiment of the present invention;
2 is a view showing a washing and rinsing process of dishes through a dish transfer device for a dish washing machine, which is proposed as a preferred embodiment of the present invention;
3 is a view showing the detailed configuration of support fingers constituting the dish transfer device for a dishwasher proposed as a preferred embodiment of the present invention, and a dish transfer belt formed by the support fingers;
4 is a view showing the detailed configuration and working state of the upward bending guide and the block-type guide guide in the dish transfer device for a dishwasher proposed as a preferred embodiment of the present invention;
5 is a view showing the detailed configuration and operating state of the upward bending guide and the block-type guide guide in the dish transporting apparatus for a dishwasher proposed as another embodiment of the present invention.

Hereinafter, a dish transfer device for a dish washing machine proposed as a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a view showing the overall configuration of a dish transfer device for a dishwasher proposed as a preferred embodiment of the present invention, and FIG. 2 is a view of washing dishes using the dish transfer device for a dish washing machine proposed as a preferred embodiment of the present invention. The rinsing process is shown, and FIG. 3 is a view showing the detailed configuration of the support fingers constituting the dish transfer device for a dishwasher proposed as a preferred embodiment of the present invention, and the dish transfer belt formed by the support fingers, FIG. 4 shows the detailed configuration and working state of the upward bending guide and the block-type guide guide in the dish transfer device for a dishwasher proposed as a preferred embodiment in the present invention, and FIG. 5 is another embodiment in the present invention. In the proposed dish transfer device for a dishwasher, the detailed configuration and operation state of the upward bending guide and the block-type guide guide are shown.

As shown in FIGS. 1 to 2 , in the dish transfer device 1 for a dish washing machine proposed as a preferred embodiment of the present invention, a dish supply unit 111 is formed on one side and a dish discharge unit 112 is formed on the other side. The dishes T requiring washing and rinsing are transferred along the tunnel-type washing and rinsing unit 110 in an upright state, and the washing and rinsing is sprayed through the spray nozzle unit 120 disposed in the washing and rinsing unit 110 . It is a dish aligning transport means for washing and rinsing each dish (T) by water.

The dish transfer device (1) includes a drive shaft (10); driven shaft 20 and; A plurality of support fingers 31 for supporting the dishes T to stand upright are composed of an annular assembly assembled in a link structure, and the drive shaft 10 is shouldered in the form of a caterpillar between the drive shaft 10 and the driven shaft 20. ), which is pulled and moved in the longitudinal direction by one-way rotation of the tableware conveying belt 30; is composed of a conveyor structure including.

As shown in FIG. 3 , the support finger 31 is formed to stand on a chain link arm 31a connected to a chain link structure through a connection pin 32 and the chain link arm 31a to stand up to the tableware (T). ) is composed of a molded body formed with a dish support arm 31b that supports the standing upright.

In addition, a shoulder groove 31c for attaching the lower side of the tableware T is formed at the intersection of the tableware support arm 31b and the chain link arm 31a formed to cross, and the tableware support arm 31b is Support protrusions 31a-a and 31b-a for shoulder-attaching the lower end of the tableware T are respectively formed on the back surface and the upper part of the chain link arm 31a, so that the tableware moves back and forth while passing through the tilting transfer section as will be described later. Even when turning in the direction, the lower side of the tableware (T) is shoulder-attached by the support protrusions (31a-a, 31b-a) to prevent the tableware (T) from falling in the front-rear direction.

In this embodiment, the support fingers 31 are connected in a chain link structure through the connecting pins 32 to form an annular assembly, and chain rollers 33 are additionally arranged on both sides of the dish transfer belt 30 to form a chain link structure. The tableware transfer belt 30 is rolled in a chain sprocket structure on sprockets provided on both sides of the drive shaft 10 and on both sides of the driven shaft 20 through the chain roller 33 and pulled in one direction by driving the drive shaft 10 . move and move

Accordingly, each of the support fingers 31 constituting the dish transfer belt 30 supports the dishes T to stand up at a set angle, and the washing and rinsing water sprayed on the surface of the tableware T The foreign substances removed from the surface of the tableware (T) are quickly drained to the lower part by their own weight.

That is, the dishes T supported by standing up by the respective support fingers 31 of the dish transfer belt 30 by the worker in the dish supply unit 111 are pulled from the dish supply unit 111 to the dish discharge unit 112 . while moving, rinsing and washing of the detergent or foreign substances remaining on the surface is achieved by the rinsing washing water sprayed through the spray nozzle unit 120 provided in the washing and rinsing unit 110 .

At this time, since the dishes T, which are washed and rinsed by the washing and rinsing water, are erected and supported by the support fingers 31, so that the washing and rinsing water sprayed on the surface and foreign substances are stably discharged.

And, in the present embodiment, as shown in FIGS. 2 to 5 , an upward bending guide 40 is disposed under the transport path of the dish transport belt 30 to pass through the washing and rinsing unit 110 . By supporting the bottom surface of 30 to protrude upward locally and bending the dish conveying belt 30 in an arcuate shape, it is supported by the support fingers 31 of the dish conveying belt 30 on the conveying path of the dish conveying belt 30 . To form a tilting transfer section in which the dishes (T) are tilted in the front-rear direction.

Preferably, the upward bending guide 40 is configured as a raised roller type including a lifting roller 41 for rolling friction on the bottom surface of the dish conveying belt 30, so that the dish conveying belt 30 has an upward bending guide ( 40) and is raised to protrude upward by the rolling roller 41 without excessive physical friction to naturally form a tilting transport section having an upward transport section and a downward transport section.

More preferably, a plurality of assembling protrusions 41a are formed on the raised roller 41 in an isometric radial structure so that they are assembled with the chain rollers 33 formed on the side ends of the dish conveyance belt 30 to rotate. .

Accordingly, the dishes T passing through the washing and rinsing unit 110 in the longitudinal direction while being supported upright by the support fingers 31 of the dish transfer belt 30 are transferred upward by the upward bending guide 40 . It is tilted in the front-rear direction while passing the tilting transfer section including the section and the downward transfer section.

Thus, since the washing and rinsing water is sprayed on the surfaces of the dishes T at various angles, stable washing and rinsing of the surface of the dishes T is achieved without generating a washing dead area where the washing and rinsing water does not reach.

Meanwhile, in the present invention, in implementing the dish transfer device 1 , the dishes T are seated upright on the dish transfer belt 30 and the dishes T are washed and rinsed through the washing and rinsing unit 110 . By resolving these problems through structural improvement, the continuity of work and device stability according to the washing of the tableware (T) are ensured, and this is intended as a technical feature of the present invention.

First, in the present invention, the dishes T input by the operator from the dish supply unit 111 often protrude from the side end of the dish transfer belt 30 due to poor input or vibration, and as such, the dish transfer belt If it protrudes to the side end of 30 , the dishes T may interfere with the inner wall of the tunnel-type washing and rinsing unit 110 to cause twisting or falling.

Of course, when the operator supplies the tableware T to the tableware transport belt 30 , the tableware moves inside the tableware transport belt 30 so that the side end of the tableware T does not protrude toward the side end of the plate transport belt 30 . Although it is preferable to put (T) in the correct position, it is practically difficult to ensure that the operator puts the collected numerous dishes (T) into the correct position of the dish transfer belt 30 each time.

In addition, since the upward bending guide 40 supports only the bottom surface of the dish conveying belt 30 to protrude upward, a phenomenon in which the dish conveying belt 30 is unnaturally bent occurs, as a result, the dish conveying belt 30 30) The front and rear turning angle of each support finger 31 is not formed to be standardized, so the tableware T that is supported by standing on the corresponding support fingers 31 intermittently and pivoting in the front and rear direction is at the required angle. It may not be tilted, or a phenomenon of falling off the support finger 31 may be caused.

As such, if the dishes T protrude from the side end of the dish transfer belt 30 or the dish T is twisted or fell due to the unnatural bending of the dish transfer belt 30, it is difficult to stably wash the dishes T. Rather, it causes physical deformation or damage to the tableware transport belt 30 or the tableware T itself, thereby hindering the continuity of the work according to washing the dishes.

In order to solve this problem, in the present invention, as shown in FIGS. 2 to 5 , the dishes T protruding from the side end of the dish conveying belt 30 are inductively interfered with to the inside of the dish conveying belt 30 . The alignment guide structure for movement and the downwardly pressing the entry (P1) and exit (P2) of the dish conveying belt 30 bent upward by the upward bending guide 40, the dish conveying belt 30 is moved. A bending inducing structure is added so that the upward bending guide is curved upward in a standardized trajectory according to the curvature of the upward bending guide 40 .

The alignment guide structure is disposed at the upper outer end of the transfer path of the dish conveying belt 30 that moves the washing and rinsing unit 110 in the longitudinal direction, and protruding from the outer end of the dish conveying belt 30 ( T) includes guide guides (60, 70) in which the guide surface for moving by interfering inwardly is formed to be inclined.

In the first embodiment of the present invention, as shown in FIG. 4 , the dishes T are disposed at the upper outer end of the transfer path of the dish transfer belt 30 and protrude from the outer end of the dish transfer belt 30 inside. It proposes a block-type guide guide 60 in which the dish guide surface 61 that interferes with the outer end of the plate is inclined,

In the second embodiment of the present invention, as shown in FIG. 5 , it is disposed at the upper outer end of the transport path of the tableware transport belt 30 and is in rolling friction with the plate transport belt 30 formed on the bottom surface of the plate transport belt 30, and the plate transport belt 30 is disposed on the inner side of the transport belt. A pressure roller type guide guide 70 in which a dish guide surface 71 that moves by interfering inwardly interferes with the outer end of the dish protruding outward of 30 is inclined, respectively, as a preferred embodiment.

When the guide guides 60 and 70 are disposed at the upper outer end of the transfer path of the dish conveying belt 30 as described above, the dishes T protruding from the outer end of the dish conveying belt 30 are moved by the dish conveying belt 30 . It is guided and transported to the inside of the , and as a result, it is possible to solve various problems caused by the physical interference of the dishes T with the inner wall of the tunnel-type washing hemgum 110 .

In particular, in this embodiment, by organically grafting the guide guides 60 and 70 to the bending guide structure of the dish conveying belt, the dish alignment guide structure and the dish conveyance belt bending guide structure are combined to form the structure, thereby simplifying the structure and improving the operation. to ensure stability.

In detail, by disposing the guide guides 60 and 70 at the entry part P1 of the tilting transport section formed by the upward bending guide 40 and the exit part P2 of the tilting transport section, respectively, the The dish conveyance belt 30 passing through the upward bending guide 40 is interfered or pressed downward by the guide guides 60 and 70 formed at the entry part P1 and the exit part P2, so that the upward bending guide 40 is pressed. It is bent upward in a standardized trajectory according to the curvature formed by

A chain guide surface 62 is formed on the bottom surface of the block-type guide guide 60 to downwardly support the dish conveying belt 30 in an inclined plane structure, and is connected to the dish conveying belt 30 through the chain guide surface 62 . The outer end of the dish transfer belt 30 that enters or advances the upward bending guide 40 without excessive friction is supported in an inclined structure.

In addition, the pressure roller-type guide guide 70 has a chain roller 33 formed at the outer end of the tableware transfer belt 30 and assembling protrusions 72 that are formed in an isometric radial structure, the consolidating protrusions 72 . It is configured to press down and support the dish conveying belt 30 while rotating in association with the outer end of the dish conveying belt 30 that enters or exits the upward bending guide 40 through the .

Of course, without grafting the alignment guide as in this embodiment, the tableware transport belt that enters the upward bending guide 40 at the entry part P1 of the tilting transport section and the exit part P2 of the tilting transport section. It is also possible to form a bending induction structure for pressing (30), which is also set within the scope of the present invention.

However, if the bending guide structure is additionally formed through the guide guides 60 and 70 constituting the alignment guide structure, the simplification of the structure is achieved.

In particular, since the arrangement of the dishes protruding to the outer end of the dish conveying belt 30 through the guide guides 60 and 70 and the standardized upward bending of the dish conveying belt 30 forming the tilting conveyance section are formed, Since the problem that the dishes T passing through the washing and rinsing unit 110 is twisted or tripped is resolved, improved operational stability and operational continuity can be secured according to dish washing and rinsing.

In addition, by arranging a plurality of upward bending guides, block-type guide guides, and pressure roller-type guide guides proposed in the present invention to be used in combination on the conveyance path of the tableware conveying belt, the tableware can be repeatedly rotated in the front-rear direction. It is desirable to achieve more stable washing and rinsing, and this is also scheduled within the scope of the present invention.

1. Dishwasher transfer device for dishwasher
10. Drive shaft 20. Drive shaft
30. Dishes transfer belt 31. Support finger
31a. Chain link arm 31a-a. support protrusion
31b. Tableware support arm 31b-a. support protrusion
31c. Shoulder groove 32. Connecting shaft
33. Chain roller
40. Upward bending guide 41. Elevating roller
41a. assemblage
60. Block-type guide guide 61. Tableware guide surface
62. Chain guide surface
70. Pressure roller type guide guide 71. Tableware guide surface
72. convulsions
100. Dishwasher 110. Wash and rinse section
111. Tableware supply part 112. Tableware discharge part
120. Spray nozzle part T. Tableware

Claims (7)

a drive shaft; driven shaft; A tableware transport belt composed of an annular body assembled with a link structure in which a plurality of support fingers for supporting the dishes to stand upright are shoulder-attached between the drive shaft and the driven shaft in the form of a caterpillar and towed and moved in the longitudinal direction by unidirectional rotation of the drive shaft Consists of a conveyor structure comprising a,
At the upper side end of the movement path of the dish conveying belt moving in the longitudinal direction, a guide guide protruding toward the side end of the dish conveying belt and interfering with the conveyed dish inwardly to move and align the dish into the dish conveying belt; A dish transfer device for a dish washing machine, characterized in that an alignment guide structure is formed. The dish conveying apparatus for a dish washing machine according to claim 1, wherein the guide guide has a block shape disposed at an upper end of a conveyance path of the dish conveying belt moving in the longitudinal direction. The dish transport belt according to claim 1, wherein the lower surface of the dish transport belt passing through the washing and rinsing part is supported to protrude upward locally to bend the tableware transport belt in an arcuate shape, so that on the transport path of the tableware transport belt An upward bending guide forming a tilting transfer section in which the dishes supported by the support fingers of the dish transfer belt are tilted in the front-rear direction is disposed on the
Guide guides for downwardly supporting the dish conveyance belt bent upward by the upward bending guide are disposed at the entry part of the tilting transfer section formed by the upward bending guide and the exit part of the tilting transport section, respectively. Dishwasher transport device for a dishwasher, characterized in that. [Claim 4] The dish conveying apparatus for a dish washing machine according to claim 3, wherein the upward bending guide is of a raised roller type including a lifting roller that rolls and rubs a bottom surface of the dish conveying belt. a drive shaft; driven shaft; A tableware transport belt composed of an annular body assembled with a link structure in which a plurality of support fingers for supporting the dishes to stand upright are shoulder-attached between the drive shaft and the driven shaft in the form of a caterpillar and towed and moved in the longitudinal direction by unidirectional rotation of the drive shaft Consists of a conveyor structure comprising a,
At the lower portion of the transfer path of the dish transfer belt, a bottom surface of the transfer belt passing through the washing and rinsing unit is supported to protrude upwardly and the dish transfer belt is bent in an arcuate shape, thereby supporting the transfer belt on the transfer path of the dish transfer belt. An upward bending guide forming a tilting transfer section in which the dishes supported on the fingers are tilted in the front and rear directions is disposed,
A bending induction structure having a guide guide for downwardly supporting the dish conveying belt bent upward by the upward bending guide is disposed at the entry part of the tilting transport section formed by the upward bending guide and the exit part of the tilting transport section. Dishwasher transport device for a dishwasher, characterized in that. [Claim 6] The dish conveying apparatus for a dish washing machine according to claim 5, wherein the guide guide has a block shape disposed at an upper end of the conveyance path of the dish conveying belt moving in the longitudinal direction. [Claim 6] The dish conveying apparatus for a dish washing machine according to claim 5, wherein the upward bending guide is of a raised roller type including a lifting roller that rolls and rubs the bottom surface of the dish conveying belt.

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