CN114684607A

CN114684607A - Dinner plate recovery device and dinner plate recovery method for conveying type dish washing machine

Info

Publication number: CN114684607A
Application number: CN202210445205.5A
Authority: CN
Inventors: 单武斌; 刘鹏; 陈雷; 邓远程; 曾峰祥; 单晶
Original assignee: Hunan Electrical College of Technology
Current assignee: Hunan Electrical College of Technology
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-07-01

Abstract

The invention discloses a dinner plate recovery device for a conveying type dish washing machine, which relates to the technical field of dish washing machines, and comprises: the clamping hand is positioned on the bowl outlet side of the conveying type dish washing machine, and a plurality of open grooves are sequentially arranged on the clamping hand at intervals along the conveying direction; the opening of the open slot faces downwards and is used for accommodating a dinner plate which is obliquely arranged on the conveyor belt; two clamping positions are arranged in the open slot side by side along the transverse direction perpendicular to the conveying direction, a rolling shaft in contact with the bottom of the dinner plate is arranged on one side of the open slot at the clamping positions, a sliding block which moves in a reciprocating manner along the transverse direction perpendicular to the conveying direction is arranged on the other side of the open slot at the clamping positions, and an inflatable bag is arranged on one side of the sliding block, which faces the surface of the dinner plate; in addition, the invention also provides a dinner plate recovery method of the dinner plate recovery device. According to the dinner plate recovery device and the dinner plate recovery method for the conveying type dish washing machine, provided by the invention, the recovery treatment efficiency of the washed high-temperature dinner plate can be improved, and the labor intensity of kitchen personnel is reduced.

Description

Dinner plate recovery device and dinner plate recovery method for conveying type dish washing machine

Technical Field

The invention relates to the technical field of dish washing machines, in particular to a dinner plate recovery device and a dinner plate recovery method for a conveying type dish washing machine.

Background

At present, large and medium-sized dining room or dining room, in order to improve the cleaning efficiency of tableware, often adopt automatic dish washer, in order to replace traditional manual dish washing operation, conveying formula dish washer among the correlation technique needs operating personnel at first with tray and bowl, the dish separates, and fall the leftovers in the bowl dish, then send into dish washer with bowl or dish tableware of the same type respectively, through washing, the disinfection, air-dry back, collect clean bowl or dish, be as bulletin number: the invention patent of CN103237488B discloses a conveyor dishwasher, which can place two bowls or dishes side by side, and has a large quantity of washed bowls or dishes, and a high temperature when the washing is completed, on one hand, there are situations that the operator cannot collect the bowls or dishes or has a large labor intensity; on the other hand, an operator is scalded, so that in order to improve the treatment efficiency of the dinner plate and reduce the labor intensity and labor cost of the operator, it is necessary to provide a dinner plate recycling device for the dish washing machine with a plurality of bowls or plates arranged side by side.

Disclosure of Invention

In view of the above, the invention provides a dinner plate recovery device and a dinner plate recovery method for a conveyor dishwasher, so that the recovery treatment efficiency of a high-temperature dinner plate after cleaning treatment is improved at least to a certain extent, and the labor intensity of kitchen staff is reduced.

To achieve the object of the present invention, according to an aspect of the present invention, there is provided a dish collecting device for a conveyor dishwasher, comprising:

the clamping hand is positioned on the bowl outlet side of the conveying type dish washing machine, and a plurality of open grooves are sequentially arranged on the clamping hand at intervals along the conveying direction; the opening of the open slot faces downwards and is used for accommodating a dinner plate which is obliquely arranged on the conveyor belt; two clamping positions are arranged in the open slot side by side along the transverse direction perpendicular to the conveying direction, a rolling shaft in contact with the bottom of the dinner plate is arranged on one side of the open slot at the clamping positions, a sliding block which moves in a reciprocating manner along the transverse direction perpendicular to the conveying direction is arranged on the other side of the open slot at the clamping positions, and an inflatable bag is arranged on one side of the sliding block, which faces the surface of the dinner plate; when the dinner plate is clamped, the clamping hand moves downwards to enable the dinner plate to move into the clamping position in the open slot, the inflatable bag is inflated to tightly press the dinner plate on the roller, the clamping hand moves upwards, and the slide block drives the dinner plate to move transversely in a direction perpendicular to the conveying direction through the inflatable bag under the action of the transverse reciprocating mechanism and is tightly leaned against the baffle far away from the interface of the two clamping positions; and

and the transfer mechanism is used for driving the clamping hands to reciprocate between the bowl outlet side of the conveying type dish washing machine and the dinner plate placing frame.

In some embodiments, the lateral reciprocating mechanism comprises: the rope winding machine comprises a rope winding machine, a traction rope and an extension spring, wherein the rotating end of the rope winding machine is connected with one end of the traction rope, and the other end of the traction rope is connected with one end of the sliding block, which is far away from the interface of the two clamping positions; one end of the extension spring is hooked with the interface of the two clamping positions, and the other end of the extension spring is hooked with the sliding block.

In some embodiments, a sinking groove matched with the sliding block is arranged on one side of the opening groove at the clamping position in the transverse direction perpendicular to the conveying direction; and a through hole which can pass through smoothly when the inflatable bag is inflated is reserved between the baffle plate and the sinking groove.

In some embodiments, the transfer mechanism comprises: the dish rack comprises a guide rail, a slide carriage and a telescopic assembly, wherein the guide rail is positioned above a position between a bowl outlet side of the conveying type dish washing machine and the dish placing rack and is transversely arranged; the slide carriage is movably arranged on the guide rail and is driven by the transverse moving assembly; the telescopic component is arranged on the slide carriage, and the telescopic end is fixedly connected with the clamping hand and is telescopic along the inclined direction of the dinner plate.

In some embodiments, further comprising: the turnover plate is rotatably arranged on the slide carriage around a transverse shaft, and the telescopic assembly is arranged on the slide carriage; one end of the telescopic rod is hinged on the slide carriage, and the other end of the telescopic rod is hinged on the turnover plate to push the turnover plate to rotate.

In some embodiments, the lateral movement assembly comprises: the motor is installed on the slide carriage, the gear is installed at the output end of the motor, the rack and the guide rail are arranged side by side, and the gear is matched with the rack.

In some embodiments, the dish rack has two placement areas, and the width of the two placement areas is adapted to the width between the two baffles.

In some embodiments, the placement area is in a forming arrangement with one side higher and the other lower.

In order to achieve the purpose of the invention, according to another aspect of the invention, there is also provided a dinner plate recovery method using the dinner plate recovery device, including the following steps:

s1, clamping dinner plates: the bowl outlet side of the conveying type dish washing machine is conveyed by a step pitch and then is stopped, the clamping hands move downwards to enable the dinner plate to move into the clamping positions in the open slot, the inflatable bag is inflated to press the dinner plate on the rolling shaft, the clamping hands move upwards, the sliding block drives the dinner plate to move transversely vertical to the conveying direction through the inflatable bag under the action of the transverse reciprocating moving mechanism and to be close to a baffle far away from the interface of the two clamping positions, and the dinner plate on the two clamping positions moves to the preset position towards two sides respectively;

s2, transferring dinner plate: the clamping hand is driven by the transfer mechanism to move from the bowl outlet side of the conveying type dish washing machine to the position above the dinner plate placing frame; meanwhile, the bowl outlet side of the conveying type dish washing machine is conveyed by a step pitch and then is stopped;

s3, placing dinner plates: the inflatable bag unloads air, the pressing on the dinner plate is released, and the dinner plate accurately falls onto the dinner plate placing frame from the preset position on the clamping position; then, the slide block returns to the original position in the direction of the interface of the two clamping positions under the action of the transverse reciprocating mechanism;

s4, repeating the steps S1-S3.

To achieve the object of the present invention, according to still another aspect of the present invention, there is also provided a conveyor dishwasher including: the dinner plate recovery device.

According to the dinner plate recovery device and the dinner plate recovery method for the conveyor type dish washing machine, provided by the invention, the recovery treatment efficiency of the high-temperature dinner plate after cleaning treatment can be improved to a certain extent, and the labor intensity of kitchen personnel is reduced. It is worth noting that the dinner plate recovery device separates dinner plates from each other in the width direction of transmission through the inflatable bag and moves the dinner plates to preset positions close to the baffle plate, because the bottom edges are positioned on the same horizontal plane, the dinner plates can be stacked into two neatly arranged dinner plates when being loosened and placed, the time for kitchen staff to arrange the dinner plates again is greatly reduced, the scalding risk of the high-temperature dinner plates just after being cleaned to the kitchen staff is certainly reduced, the inflatable bag can be tightly pressed with the dinner plates on various oral surfaces, no matter whether food grids or no food grids exist, the dinner plates can be tightly pressed by air pressure, even if the dinner plates are close to the baffle plate, the slide block can continuously enable the inflatable bag and the dinner plates to slide relatively to enable the dinner plates not to move, the dinner plate recovery device is suitable for width adjustment in different placement positions in the width direction, the technical requirements of kitchen staff on the dinner plate cleaning and placing are also greatly reduced.

The dinner plate recovery device is particularly suitable for recovering dinner plates with food grids and no food grids, which have large mouth surfaces and small thickness, such as rectangular and square stainless steel plates or plastic plates which are not easy to break.

Drawings

The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for illustrative purposes only and thus do not limit the scope of the present invention. Furthermore, unless otherwise indicated, the drawings are intended to be illustrative of the structural configurations described herein and are not necessarily drawn to scale.

FIG. 1 is a schematic front view of an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 taken along direction A;

FIG. 3 is a schematic cross-sectional view of the cross-sectional view B-B of FIG. 2 according to the present invention;

FIG. 4 is a schematic cross-sectional view taken along line C-C of FIG. 3 according to the present invention;

FIG. 5 is a schematic cross-sectional view taken along line D-D of FIG. 4 according to the present invention;

FIG. 6 is a schematic view of the structure of FIG. 1 in the direction E.

In the figure: 1. clamping hands; 10. an open slot; 100. clamping and taking a position; 101. sinking a groove; 11. a roller; 12. a slider; 13. an air-filled bag; 14. a baffle plate; 15. a through hole; 2. a transfer mechanism; 21. a guide rail; 22. a slide carriage; 23. a telescoping assembly; 24. a lateral movement assembly; 25. a turnover plate; 26. a telescopic rod; 27. a gear; 28. a rack; 3. a service plate placing rack; 30. a placement area; 4. a rope winder; 5. a hauling rope; 6. a tension spring.

Detailed Description

First, it should be noted that the structure, composition, principle, features and advantages of the dish collecting device and the dish collecting method for a conveyor dishwasher according to the present invention will be described in detail below by way of example, however, all the descriptions are for illustrative purposes only and should not be construed as limiting the present invention in any way.

Furthermore, to any single feature described or implicit in an embodiment or shown or implicit in the drawings, the invention still allows any combination or permutation to continue between the features (or their equivalents) to achieve still further embodiments of the invention that may not be directly mentioned herein. In addition, for simplicity of the drawings, identical or similar parts and features may be indicated in the same drawing only in one or several places.

Example one

This carry on how fast, the efficient recovery of dinner plate design a recovery unit after washing to the dinner plate of conveying type dish washer, wherein, this guipure conveying type dish washer's guipure forms the drive circuit, have the bayonet socket position that is used for blocking and putting the dinner plate on the horizontal conveying guipure, wherein, the dinner plate can be the rectangle of area storage food check, square dinner plate, also can be the rectangle that only has the cavity, square dinner plate, and the great thickness of face of a mouth is thinner circular dinner plate, when the dinner plate is put to bayonet socket position, can be vertical or the higher authority deviates 15 ~30 slopes towards bowl end, and the concave surface that the dinner plate held the food is oblique upwards, be convenient for the concave surface that the dish held the food is washed to the top spray of dinner plate in the dish washer, in addition, can place two equidimension's concave surface side by side simultaneously on this bayonet socket position easily, and the long limit of dinner plate is under, in order to improve the handling capacity, the conveying type dish washing machine can be sequentially provided with a spraying and washing area, an ultraviolet sterilization and disinfection area and a high-temperature hot air drying area, and finally the processed dinner plates are sequentially discharged from the bowl discharging side;

according to the idea of the invention, a dish-collecting device for a conveyor dishwasher is shown here in connection with fig. 1 and 6, comprising:

the clamping device comprises a clamping hand 1, a plurality of clamping grooves 10 and a plurality of lifting mechanisms, wherein the clamping hand 1 is positioned on the bowl outlet side of the conveying type dishwasher, and the plurality of lifting mechanisms are sequentially provided with a plurality of opening grooves 10 at intervals along the conveying direction; the opening of the open slot 10 faces downwards and is basically consistent with the inclined direction of the dinner plate so as to accommodate the dinner plate which is arranged on the conveyor belt in an inclined way; the novel dinner plate clamping device is characterized in that two clamping positions 100 are arranged in the open slot 10 side by side along the transverse direction perpendicular to the conveying direction (namely the width direction of a conveying net belt), rolling shafts 11 which are contacted with the bottom of a dinner plate are arranged on one side of the open slot 10 at the clamping positions 100, a plurality of rolling shafts 11 are uniformly distributed along the conveying width direction, the rolling direction is along the width direction of the conveying net belt, and sliding blocks 12 which move in a reciprocating manner along the transverse direction perpendicular to the conveying direction are arranged on the other side of the open slot 10, namely, when the dinner plate inclines, the bottom surface of the dinner plate inclines downwards, the opening surface of the dinner plate inclines upwards, an inflatable bag 13 is arranged on one side of the sliding blocks 12 facing the opening surface of the dinner plate, when the inflatable bag 13 is not inflated, the open slot 10 can be easily filled with the dinner plate and does not generate limiting resistance to the dinner plate, the inflatable bag 13 can be rectangular and can cover 1/2-1/3 of the opening surface when the dinner plate is vertically placed, and the inflatable bag 13 is communicated with an air pump through a pipeline, thereby carrying out inflation and deflation; when the dinner plate is clamped, the clamping hand 1 moves downwards to enable the dinner plate to move into the clamping position 100 in the open slot 10, the inflatable bag 13 is inflated to compress the dinner plate on the roller 11, the clamping hand 1 moves upwards, the sliding block 12 drives the dinner plate to move transversely in a direction perpendicular to a conveying direction through the inflatable bag 13 under the action of the transverse reciprocating mechanism and is close to a baffle plate 14 far away from the interface of the two clamping positions 100, the distance between the two baffle plates 14 is larger than the conveying width of the dish washing machine, and the edge of the dinner plate cannot exceed the range of the baffle plate 14 when the dinner plate is initially placed at the bayonet position; and

the transfer mechanism 2 is used for driving the clamping hand 1 to transfer the dish outlet side of the conveying type dish washing machine and the dish placing frame 3 in a reciprocating mode, wherein the transfer track can be that the dish outlet side moves upwards firstly, then the dish outlet side moves transversely, and then the dish outlet side moves downwards; after the tray is placed, returning the tray in the original way; of course, other manipulators with similar multiple degrees of freedom can be used for transferring, as long as the clamping hand 1 can be conveyed back and forth between the bowl outlet side of the conveying type dish washing machine and the dish placing frame 3 without interference.

Wherein, it is worth noting that the kitchen staff is only as large as two clamping positions 100 for placing two dinner plates at the bayonet side by side, and does not strictly lean the dinner plate to which side, or sometimes the two dinner plates have overlap at the interface of the clamping positions 100, or the dinner plate position slightly moves in the width direction when washing, so that the dinner plate is directly clamped and placed disorderly, at the moment, the dinner plates are separated from the width direction of the transmission by the inflatable bag 13 and move to the preset position leaning against the baffle plate 14, because the bottom sides are on the same horizontal plane, when the dinner plates are placed, the dinner plates are stacked into two tidy plates, the time for sorting the kitchen staff again is greatly reduced, the scalding risk of the kitchen staff caused by the high temperature after just being cleaned is inevitably reduced, and the inflatable bag 13 can be tightly pressed with the dinner plates of various oral surfaces, no matter there are food check or no food check, can both rely on atmospheric pressure to compress tightly, even when the dinner plate has leaned on the back with baffle 14 tightly, slider 12 can also continue to let gas cell 13 and dinner plate produce relative slip and let the dinner plate motionless while do not damage the dinner plate oral area, adapts to on the direction of conveying width, and the adjustment of different positions dinner plate has also reduced the technical requirement that the meal kitchen personnel when placing the dinner plate washing by a wide margin.

Example two

Based on the first embodiment, in order to stably realize the reciprocating movement of the sliding block 12, in this embodiment, optionally, the transverse reciprocating movement mechanism includes: the rope winding device comprises a rope winder 4, a traction rope 5 and an extension spring 6, wherein the rotating end of the rope winder 4 is connected with one end of the traction rope 5, the other end of the traction rope 5 is connected with one end, far away from the interface of two clamping positions 100, of a sliding block 12, and a directional sheave is required to be installed at the corner of the traction rope 5 to change the direction; one end of the extension spring 6 is hooked with the interface of the two clamping positions 100, the other end of the extension spring 6 is hooked with the sliding block 12, a group of transverse reciprocating moving mechanisms are needed on two sides of each opening groove 10 in the width direction, and the two traction ropes 5 on one side can be gathered and then are in transmission connection with the general rope winder 4 on one side; when the sliding block 12 needs to move to a position far away from the interface of the two clamping positions 100, the rope coiling machine 4 starts to wind the rope, namely the sliding block 12 can be pulled to move, and when the rope coiling machine 4 does not work or releases the rope, the sliding block 12 moves to the interface again to return to the original position under the action of the extension spring 6.

Furthermore, a sinking groove 101 matched with the sliding block 12 is transversely arranged along the direction perpendicular to the conveying direction on one side of the opening groove 10 at the clamping position 100, and a limiting part is arranged between the sinking groove 101 and the sliding block 12; a through hole 15 is reserved between the baffle plate 14 and the sinking groove 101, the through hole 15 can smoothly pass through when the inflatable bag 13 is inflated, and the through hole 15 has the function of avoiding the obstruction effect on the inflatable bag 13 but has to meet the limitation effect on the edge of the dinner plate.

EXAMPLE III

Based on the first or second embodiment, in order to stably realize the transportation of the gripper 1, in this embodiment, optionally, the transportation mechanism 2 includes: the dish rack comprises a guide rail 21, a slide carriage 22 and a telescopic assembly 23, wherein the guide rail 21 is positioned above the space between the bowl outlet side of the conveying type dish washing machine and the dish placing rack 3 and is transversely arranged; the slide carriage 22 is movably arranged on the guide rail 21, namely, a clamping groove in sliding fit with the guide rail 21 is oppositely arranged on the slide carriage 22 and is driven by a transverse moving component 24; the telescopic assembly 23 is mounted on the slide carriage 22, namely, a cavity for accommodating the telescopic assembly 23 is also reserved on the slide carriage 22, the telescopic end is fixedly connected with the clamping hand 1 and is telescopic along the inclined direction of the dinner plate approximately, the telescopic assembly 23 can be a combination of a guide rod and an electric push rod, and the two guide rods are symmetrically arranged on the two sides of the electric push rod and keep stable; after the clamp 1 clamps the dinner plate, the telescopic component 23 is recovered to enable the clamp 1 to move upwards obliquely, the transverse moving component 24 drives the slide carriage 22, the telescopic component 23 and the clamp 1 to move rightwards, and finally the telescopic component 23 extends out to move the clamp 1 to the position right above the dinner plate placing frame 3, so that the dinner plate can be placed after loosening, and when the dinner plate is accumulated to a certain amount, the kitchen staff can take away the dinner plate.

Further, still include: the turnover plate 25 is rotatably arranged on the slide carriage 22 around a transverse shaft, and the telescopic assembly 23 is arranged on the slide carriage 22; one end of the telescopic rod 26 is hinged on the slide carriage 22, the other end of the telescopic rod is hinged on the turnover plate 25 to push the turnover plate 25 to rotate to adapt to the inclination angle of the dinner plate, the telescopic rod 26 can also be an electric push rod, and the extension amount is accurately controlled; because the thickness of different dinner plates is slightly different, the inclination of the position where the dinner plate is placed at the bayonet is slightly different, the turnover plate 25 is rotated by the telescopic rod 26 to adjust the inclination of the open groove 10 to be basically consistent with the dinner plate, and the adaptability is enhanced.

Still further, the lateral movement assembly 24 includes: the mechanism comprises a motor, a gear 27 and a rack 28, wherein the motor is arranged on the slide carriage 22, the gear 27 is arranged at the output end of the motor, the rack 28 and the guide rail 21 are arranged side by side, the gear 27 is matched with the rack 28, and the slide carriage 22 can be stably moved by the cooperation of the gear 27 and the rack 28 when the motor rotates forward and backward.

Example four

Based on the first or second embodiment, in order to ensure that two trays are collected neatly, in this embodiment, optionally, two placing areas 30, that is, two long chutes side by side, are provided on the tray rack 3, respectively for stacking trays, and the width of the two placing areas 30 is adapted to the width between the two baffles 14.

Further, the placing area 30 is arranged with one side higher than the other side, and the inlet end is higher, so that the dinner plates can be moved downwards obliquely by gravity and stacked neatly when being loosened.

EXAMPLE five

To achieve the object of the present invention based on any one of the first to fourth embodiments, according to another aspect of the present invention, there is also provided a dinner plate recycling method using the dinner plate recycling device, including the following steps:

s1, clamping dinner plates: the bowl outlet side of the conveying type dish washing machine is conveyed by a step pitch and then stops, the clamping hands 1 move downwards to enable the dinner plates to move into the clamping positions 100 in the open slot 10, the inflatable bag 13 is inflated to tightly press the dinner plates onto the rolling shafts 11, the clamping hands 1 move upwards, the sliding blocks 12 drive the dinner plates to move transversely vertical to the conveying direction through the inflatable bag 13 under the action of the transverse reciprocating moving mechanism and are tightly attached to the baffle plates 14 far away from the interface of the two clamping positions 100, and the dinner plates on the two clamping positions 100 respectively move to the preset positions towards two sides;

s2, transferring dinner plate: the clamping hand 1 is driven by the transfer mechanism 2 to move from the bowl outlet side of the conveying type dish washing machine to the position above the dinner plate placing frame 3; meanwhile, the bowl outlet side of the conveying type dish washing machine is conveyed by a step pitch and then is stopped;

s3, placing dinner plates: the inflatable bag 13 unloads air to release the compression on the dinner plate, and the dinner plate accurately falls onto the dinner plate placing frame 3 from the preset position on the clamping position 100; then, the slide block 12 returns to the original position in the direction of the interface of the two clamping positions 100 under the action of the transverse reciprocating mechanism;

s4, repeating the steps S1-S3.

EXAMPLE six

According to still another aspect of the present invention, there is also provided a conveyor dishwasher in accordance with any one of the first to fourth embodiments, including: the dinner plate recovery device.

The above examples mainly describe a dish retrieving apparatus and a dish retrieving method for a conveyor dishwasher. Although only a few embodiments of the present invention have been described, those skilled in the art will appreciate that the present invention may be embodied in many other forms without departing from the spirit or scope thereof. Accordingly, the present examples and embodiments are to be considered as illustrative and not restrictive, and various modifications and substitutions may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims.

Claims

1. A dish retrieving apparatus for a conveyor dishwasher, comprising:

the clamping device comprises a clamping hand (1) which is positioned at the bowl outlet side of the conveying type dishwasher, and a plurality of open grooves (10) are sequentially arranged on the clamping hand (1) at intervals along the conveying direction; the opening of the open slot (10) faces downwards and is used for accommodating a dinner plate which is obliquely arranged on the conveyor belt; two clamping positions (100) are arranged in the open slot (10) side by side along the transverse direction perpendicular to the conveying direction, a rolling shaft (11) contacted with the bottom of the dinner plate is arranged on one side of the open slot (10) at the clamping positions (100), a sliding block (12) which moves in a reciprocating manner along the transverse direction perpendicular to the conveying direction is arranged on the other side of the open slot (10), and an air inflation bag (13) is arranged on one side, facing the mouth surface of the dinner plate, of the sliding block (12); when the dinner plate is clamped, the clamping hand (1) moves downwards to enable the dinner plate to move into the clamping position (100) in the open slot (10), the inflatable bag (13) is inflated to tightly press the dinner plate on the roller (11), the clamping hand (1) moves upwards, and the sliding block (12) drives the dinner plate to transversely move in the direction perpendicular to the conveying direction through the inflatable bag (13) under the action of the transverse reciprocating mechanism and is tightly leaned against a baffle plate (14) far away from the interface of the two clamping positions (100); and

the transfer mechanism (2) is used for driving the clamping hands (1) to reciprocate between the bowl outlet side of the conveying type dish washing machine and the dinner plate placing rack (3).

2. The dining plate retrieving device of claim 1, wherein said lateral reciprocating mechanism comprises: the rope winding device comprises a rope winding machine (4), a traction rope (5) and an extension spring (6), wherein the rotating end of the rope winding machine (4) is connected with one end of the traction rope (5), and the other end of the traction rope (5) is connected with one end, far away from the interface of the two clamping positions (100), of a sliding block (12); one end of the extension spring (6) is hooked with the interface of the two clamping positions (100), and the other end of the extension spring (6) is hooked with the sliding block (12).

3. The dinner plate recycling device according to claim 2, characterized in that one side of the open groove (10) at the clamping position (100) is provided with a sink groove (101) which is matched with the slide block (12) along the transverse direction perpendicular to the conveying direction; and a through hole (15) which can be smoothly passed through when the inflatable bag (13) is inflated is reserved between the baffle (14) and the sinking groove (101).

4. The tray retrieving device according to any of the claims 1-3, characterized in that the transferring mechanism (2) comprises: the dish rack comprises a guide rail (21), a slide carriage (22) and a telescopic assembly (23), wherein the guide rail (21) is positioned above a space between a bowl outlet side of the conveying type dish washing machine and the dish placing rack (3) and is transversely arranged; the slide carriage (22) is movably arranged on the guide rail (21) and is driven by a transverse moving assembly (24); the telescopic component (23) is arranged on the slide carriage (22), and the telescopic end is fixedly connected with the clamping hand (1) and is telescopic along the inclined direction of the dinner plate.

5. The dining plate retrieving device of claim 4, further comprising: the turnover device comprises a turnover plate (25) and a telescopic rod (26), wherein the turnover plate (25) is rotatably arranged on a slide carriage (22) around a transverse shaft, and a telescopic assembly (23) is arranged on the slide carriage (22); one end of the telescopic rod (26) is hinged on the slide carriage (22), and the other end is hinged on the turnover plate (25) to push the turnover plate (25) to rotate.

6. The tray retrieving apparatus of claim 4, wherein the lateral movement assembly (24) comprises: motor, gear (27) and rack (28), the motor is installed on carriage apron (22), and gear (27) are installed to the output of motor, rack (28) set up side by side with guide rail (21), gear (27) and rack (28) cooperation.

7. Dish retrieving device according to any of the claims 1-3, characterized in that the dish rack (3) has two placement areas (30), the width of the two placement areas (30) corresponding to the width between the two flaps (14).

8. The tray retrieval device of claim 7, wherein the resting area (30) is configured to be higher on one side and lower on the other side.

9. A method of dish retrieval using the dish retrieval apparatus of any one of claims 1 to 8, comprising the steps of:

s1, clamping dinner plates: the bowl discharging side of the conveying type dishwasher is conveyed by a step pitch and then stops, the clamping hand (1) moves downwards to enable the dinner plate to move into the clamping position (100) in the open slot (10), the inflatable bag (13) is inflated to tightly press the dinner plate on the roller (11), the clamping hand (1) moves upwards, the sliding block (12) drives the dinner plate to move transversely vertical to the conveying direction through the inflatable bag (13) under the action of the transverse reciprocating mechanism and is tightly leaned against a baffle plate (14) far away from the interface of the two clamping positions (100), and the dinner plate on the two clamping positions (100) respectively moves to a preset position towards two sides;

s2, transferring dinner plates: the clamping hand (1) is driven by the transfer mechanism (2) to move from the bowl outlet side of the conveying type dish washing machine to the position above the dinner plate placing frame (3); meanwhile, the bowl outlet side of the conveying type dish washing machine is conveyed by a step pitch and then is stopped;

s3, placing dinner plates: the inflatable bag (13) unloads air to release the compression on the dinner plate, and the dinner plate accurately falls onto the dinner plate placing rack (3) from a preset position on the clamping position (100); then, the slide block (12) returns to the original position in the direction of the interface of the two clamping positions (100) under the action of a transverse reciprocating mechanism;

s4, repeating the steps S1-S3.

10. Conveyor dishwasher, characterized in that it comprises: the dish retrieval device of any one of claims 1 to 8.