CN212213675U - Novel dish washing machine - Google Patents

Abstract

The utility model discloses a novel dish washing machine, novel dish washing machine include the bottom wash rack, be equipped with first backup pad in the bottom wash rack, first backup pad one side is equipped with the second backup pad, and bottom wash rack top is equipped with the upper shield, is equipped with main water tank in the first backup pad, is equipped with the expansion tank in the second backup pad, and bottom wash rack top is equipped with the washing and rolls the cage, and central point puts and is equipped with the axis of rotation in the washing rolls the cage, and axis of rotation one end is equipped with the couple, washs and still is equipped with the washing box that the axial distributes in rolling. The utility model discloses a slow roll is stained with water and is fallen water and receive brand-new theory of operation of formula, need not to separate the sediment in advance and remove the sediment, it is simple and convenient to wash the edible dish, it has the water oil separating function to possess, it rotates to drive the washing box when rolling the cage rotation to wash, the tableware breaks away from the surface of water, the tableware overturns under the action of gravity after rising, it makes the tableware in the washing box get into the aquatic once more to wash to roll the cage rotation, wash the rotation that rolls the cage and last, make the tableware in the washing box realize being stained with water and pouring when slowly rolling, realize wasing the.

Description

Novel dish washing machine

Technical Field

The utility model relates to a dish washer field specifically is a novel dish washer.

Background

The full-automatic dish washer on the market can be divided into two types of family expenses and commercial, and domestic full-automatic dish washer is only applicable to the family, mainly has cabinet type, desktop, basin integral type and integrated form, and commercial dish washer is used in dining room, hotel, the unit dining room of institution for the majority, has alleviateed intensity of labour for cooking personnel, has improved work efficiency, promotes sanitation and hygiene, has reduced the infection chance of germ, and the water conservation effect is obvious, and reducible incrustation scale in the machine forms, makes the tableware brighter, clean. At present, the food tray belt cleaning device on the market mainly has two kinds of techniques, one kind is the shower formula, one kind is the ultrasonic wave formula, shower belt cleaning device washs food tray small in quantity, and for the insert, need artifical manual deslagging, separate the sediment, put neat back, just can wash the food tray, ultrasonic wave belt cleaning device is expensive, it needs artifical manual deslagging equally to wash before the food tray, separate the sediment, and the food tray cleaning performance does not have shower belt cleaning device good, can appear partial tableware washing unclean phenomenon after the washing is accomplished, need artifical secondary to clean, such two kinds of cleaning methods all have tableware cleaning efficiency low, large-scale kitchen utensils, the tableware can't be washd, the problem that the cost of labor is high, but adopt brand-new spit and receive the formula technique and can effectively solve this kind of phenomenon, to this kind of condition, a novel dish washer is proposed at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel dish washing machine, a cleaning rolling cage is arranged in the novel dish washing machine, the cleaning rolling cage adopts rolling type rotation, the occupied space is small, the cleaning effect is good, a cleaning box which can be used for fixing is arranged in the cleaning cage, the cleaning effect is good, the oil-water separation function is also provided, an automatic water supply switch and a water level switch are respectively arranged at one side of a main water tank and one side of an auxiliary water tank, the water intake can be automatically controlled, the manual addition is avoided, the accuracy and the reliability when the cleaning water is added are ensured, the cleaning tableware recycles the cleaning water, the water resource is saved, the cleaning box is driven to rotate when the cleaning rolling cage rotates, the tableware is separated from the water surface, the tableware is overturned under the action of gravity after rising, the tableware in the cleaning rolling cage rotates to enable the tableware in the cleaning box to enter the water, the cleaning of the tableware is realized, the tableware is not required to be separated from slag and removed with slag in advance before being cleaned, the tableware cleaning is simple and convenient, the cleaning time is saved, the residue removing capacity is stronger, the cleaning cleanliness is improved, the cleaning time is shortened, the consumption of mechanical kinetic energy is reduced, the auxiliary water tank is arranged on one side of the main water tank, the auxiliary water tank is used for specially cleaning large tableware, the cleaning of large tableware such as pots and kitchen utensils can be completed, manual independent cleaning is not required, and the cleaning cost and the labor cost are reduced.

The purpose of the utility model can be realized by the following technical scheme:

a novel dish washing machine comprises a bottom cleaning frame, wherein a first supporting plate is arranged in the bottom cleaning frame, a second supporting plate is arranged on one side of the first supporting plate, an upper cover is arranged above the bottom cleaning frame, a main water tank is arranged on the first supporting plate, an auxiliary water tank is arranged on the second supporting plate, a cleaning rolling cage is arranged above the bottom cleaning frame and comprises a first frame and a second frame, connecting frames which are distributed in an array mode are arranged between the first frame and the second frame, a rotating shaft is arranged in the central position in the cleaning rolling cage, a threaded hole is formed in one end of the rotating shaft, an extension shaft is arranged at one end of the rotating shaft, a threaded column is arranged at one end of the extension shaft, the extension shaft is matched with the threaded hole to be fixed at one end of the rotating shaft, a first positioning hole which penetrates is formed in the other end of the extension shaft, a hanging shaft is arranged on the extension shaft, the cleaning roller cage is characterized in that an extension column is arranged below the hanging shaft, a fixed shaft is arranged on the extension column, a shaft sleeve is arranged on the fixed shaft, a rotating bearing is arranged in the shaft sleeve, a hook is arranged at one end of the shaft sleeve, a cleaning box which is distributed axially is further arranged in the cleaning roller cage, a water flowing port which is distributed in an array mode is arranged on the cleaning box, a bottom frame is arranged below the cleaning box, fixed blocks which are distributed in an array mode are arranged below the bottom frame, the fixed blocks are arranged on a connecting frame which is distributed in an array mode, a cleaning drawing box is arranged in the cleaning box.

Further, a first slot is arranged in the first supporting plate, a second slot is arranged in the second supporting plate, a first hinge is arranged on one side of the bottom cleaning frame, the upper cover and the bottom cleaning frame are in rotating fit through the first hinge, a PX plastic cover is covered through the upper cover, upper cover handles are arranged on two sides of the upper cover, an upper cover slot is arranged on one side of the upper cover, the main water tank passes through the first slot and is fixed on the first supporting plate, a first oil filter and a first water level switch are arranged on one side of the main water tank, a first water outlet is arranged below the main water tank, a first water inlet pipe is arranged on the other side of the main water tank, the auxiliary water tank passes through the second slot and is fixed on the second supporting plate, a second oil filter and a second water level switch are arranged on one side of the auxiliary water tank, a second water outlet is arranged below the auxiliary water tank, a second water inlet pipe is, the high-temperature water pump is provided with a water inlet and a water outlet, the water outlet is provided with a flow dividing pipe, one end of the flow dividing pipe is provided with a first automatic water supply switch, the first automatic water supply switch is connected with a first water inlet pipe, the other end of the flow dividing pipe is provided with a second automatic water supply switch, and the second automatic water supply switch is connected with a second water inlet pipe.

Further, be equipped with the first fluting of axial distribution on the first frame, be equipped with the connection steel wire of axial distribution on the link, connect the steel wire both ends and fix respectively on first frame and two frames, be equipped with the switch door in the first fluting, be equipped with the buckle of axial distribution on the switch door, the buckle makes the switch door fix on first frame, still be equipped with the handle that opens the door on the switch door, the switch door passes through second hinged joint with first frame, first frame puts with second frame central point and is equipped with the axis of rotation jointly, the axis of rotation drives and washs and rolls the cage rotation.

Further, one end of the rotating shaft is also provided with a first support, the first support is provided with a bearing, one end of the rotating shaft is installed in the bearing, the other end of the rotating shaft is provided with a second support, the first support and the second support jointly support the cleaning roller cage, the second support is provided with a speed reducer support, a motor support is arranged above the speed reducer support, the second support is also provided with a tension pulley, the speed reducer support is provided with a right-angle speed reducer, the right-angle speed reducer reduces the rotating speed through a self speed reduction ratio and changes the power transmission direction, one end of the rotating shaft is connected with the right-angle speed reducer, one side of the right-angle speed reducer is provided with a first rotating shaft, the first rotating shaft is provided with a driven gear, the motor support is provided with a motor, the motor provides a power source for the rotation of the cleaning roller cage, one side, synchronous chains are arranged on the driven gear and the power gear together, and the tensioning wheel tensions the synchronous chains.

The utility model has the advantages that:

1. the utility model adopts a brand new working principle of slowly rolling, dipping water, pouring water and pouring water, does not need to separate slag and remove slag in advance, is simple and convenient to clean the food tray, has the function of oil-water separation, and has stronger residue removing capability;

2. the utility model drives the cleaning box to rotate when the cleaning rolling cage rotates, the tableware is separated from the water surface, the tableware turns over under the action of gravity after rising, the tableware in the cleaning box enters the water again by the rotation of the cleaning rolling cage, and the cleaning rolling cage continuously rotates, so that the tableware in the cleaning box slowly rolls and is simultaneously soaked with water and poured, and the tableware is cleaned;

3. the utility model discloses application scope is extensive, and main water tank one side is equipped with the expansion tank, and the expansion tank washs large-scale tableware specially, can accomplish the washing to large-scale tableware such as pot, kitchen utensils and appliances, need not artifical washing alone, has reduced cleaning cost and cost of labor.

Drawings

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the structure of the dishwasher of the present invention;

FIG. 2 is a schematic view of the bottom washing rack of the present invention;

FIG. 3 is a schematic view of the structure of the water tank of the present invention;

FIG. 4 is a schematic view of the structure of the water tank of the present invention;

FIG. 5 is a schematic view of the cleaning roller cage of the present invention;

FIG. 6 is a schematic view of the cleaning roller cage of the present invention;

FIG. 7 is a schematic view of the side hook explosion structure of the present invention;

FIG. 8 is a schematic view of the axial distribution structure of the cleaning box of the present invention;

fig. 9 is a schematic structural view of the cleaning box of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

The utility model provides a novel dish washing machine, novel dish washing machine includes bottom wash rack 1, as shown in fig. 1, be equipped with first backup pad 11 in the bottom wash rack 1, first backup pad 11 one side is equipped with second backup pad 12, bottom wash rack 1 top is equipped with upper shield 14, be equipped with main water tank 15 on the first backup pad 11, be equipped with expansion tank 16 in the second backup pad 12, bottom wash rack 1 top is equipped with the washing and rolls cage 2, washing and rolling cage 2 includes first frame 21 and second frame 22, be equipped with array distribution's link 23 between first frame 21 and the second frame 22, central point puts and is equipped with axis of rotation 25 in the washing and rolls cage 2, axis of rotation 25 one side is equipped with couple 258, still be equipped with axial distribution's washing box 3 in the washing box 2, be equipped with in the washing box 3 and wash and take out box 34, wash and take out the isolation layer 35 that.

A first slot 111 is arranged in the first supporting plate 11, as shown in fig. 2, 3 and 4, a second slot 121 is arranged in the second supporting plate 12, a first hinge 13 is arranged at one side of the bottom washing frame 1, the upper cover 14 is rotationally matched with the bottom washing frame 1 through the first hinge 13, a PX plastic cover 141 is covered by the upper cover 14, upper cover handles 142 are arranged at two sides of the upper cover 14, an upper cover slot 143 is arranged at one side of the upper cover 14, the main water tank 15 is fixed on the first supporting plate 11 through the first slot 111, a first oil filter 151 and a first water level switch 152 are arranged at one side of the main water tank 15, a first drain 153 is arranged below the main water tank 15, a first water inlet pipe 154 is arranged at the other side of the main water tank 15, the auxiliary water tank 16 is fixed on the second supporting plate 12 through the second slot 121, a second oil filter 161 and a second water level switch 162 are arranged at one side of the auxiliary water tank 16, a second drain 163 is arranged below the, a drain pipe 17 is arranged below the first drain port 153 and the second drain port 163 together, a high-temperature water pump 18 is arranged on one side of the main water tank 15, a water inlet 181 and a water outlet 182 are arranged on the high-temperature water pump 18, a shunt pipe 183 is arranged on the water outlet 182, a first automatic water supply switch 184 is arranged at one end of the shunt pipe 183, the first automatic water supply switch 184 is connected with the first water inlet pipe 154, a second automatic water supply switch 185 is arranged at the other end of the shunt pipe 183, and the second automatic water supply switch 185 is connected with the second water.

The first frame 21 is provided with first slots 211 which are axially distributed, as shown in fig. 5, 6 and 7, the connecting frame 23 is provided with connecting steel wires 231 which are axially distributed, two ends of the connecting steel wires 231 are respectively fixed on the first frame 21 and the second frame 22, the inside of the first slot 211 is provided with a switch door 24, the switch door 24 is provided with buckles 241 which are axially distributed, the buckles 241 enable the switch door 24 to be fixed on the first frame 21, the switch door 24 is further provided with a door opening handle 242, the switch door 24 is connected with the first frame 21 through a second hinge 243, the center positions of the first frame 21 and the second frame 22 are jointly provided with a rotating shaft 25, and the rotating shaft 25 drives the cleaning roller cage 2 to rotate.

A threaded hole 251 is formed in one end of the rotating shaft 25, an extension shaft 252 is arranged at one end of the rotating shaft 25, a threaded column 2521 is arranged at one end of the extension shaft 252, the threaded column 2521 is matched with the threaded hole 251 to enable the extension shaft 252 to be fixed at one end of the rotating shaft 25, a first through positioning hole 2522 is formed in the other end of the extension shaft 252, a hanging shaft 253 is arranged on the extension shaft 252, a second through positioning hole 2531 is formed in the hanging shaft 253, the second through positioning hole 2531 and the first through positioning hole 2522 are fixed through screws, an extension column 254 is arranged below the hanging shaft 253, a fixing shaft 255 is arranged on the extension column 254, a shaft sleeve 256 is arranged on the fixing shaft 255, a rotating.

One end of the rotating shaft 25 is also provided with a first bracket 26, the first bracket 26 is provided with a bearing 261, one end of the rotating shaft 25 is arranged in the bearing 261, the other end of the rotating shaft 25 is provided with a second bracket 27, the first bracket 26 and the second bracket 27 jointly support and clean the rolling cage 2, the second bracket 27 is provided with a speed reducer bracket 271, a motor bracket 272 is arranged above the speed reducer bracket 271, the second bracket 27 is also provided with a tensioning wheel 273, the speed reducer bracket 271 is provided with a right-angle speed reducer 28, the right-angle speed reducer 28 reduces the rotating speed through the self speed reduction ratio to change the power transmission direction, one end of the rotating shaft 25 is connected with the right-angle speed reducer 28, one side of the right-angle speed reducer 28 is provided with a first rotating shaft 281, the first rotating shaft 281 is provided with a driven gear 282, the motor bracket 272 is provided with a motor 29, the motor 29, a motor numerical control switch 293 is further arranged on one side of the motor 29, the motor numerical control switch 293 controls the motor 29, a synchronous chain 283 is arranged on the driven gear 282 and the power gear 292 together, and the tensioning wheel 273 tensions the synchronous chain 283.

The cleaning box 3 is provided with water outlets 31 distributed in an array, as shown in fig. 8 and 9, a bottom frame 32 is provided below the cleaning box 3, fixing blocks 33 distributed in an array are provided below the bottom frame 32, the fixing blocks 33 are mounted on the connecting frames 23 distributed in an array, a cleaning drawer 34 is provided in the cleaning box 3, an isolation layer 35 distributed in an array is provided in the cleaning drawer 34, and a handle 36 is provided at one side of the cleaning drawer 34.

When in use, the cleaning roller cage 2 is fixed above the bottom cleaning frame 1, the lower part of the cleaning roller cage 2 is immersed in the main water tank 15, tableware to be cleaned is placed in the cleaning drawer box 34, the cleaning drawer box 34 is pushed into the cleaning box 3, the switch door 24 is opened, then the cleaning box 3 is axially distributed and fixed in the connecting frame 23 through the fixing block 33, the switch door 24 is closed, cleaning water is pumped into the main water tank 15 through the high-temperature water pump 18, the water inlet quantity in the main water tank 15 is controlled through the first water level switch 152 and the first automatic water supply switch 184, the water level height in the main water tank 15 exceeds the height of the lowest cleaning box 3 in the cleaning roller cage 2, the motor 29 drives the right-angle speed reducer 28 to rotate, the right-angle reducer 28 reduces the rotating speed through the speed reduction ratio of the right-angle reducer 28, the rotating shaft 25 drives the rotating shaft 25 to rotate the cleaning roller cage 2 slowly, and the cleaning box 3 is driven to, the tableware is separated from the water surface, the tableware is turned over under the action of gravity after rising, the cleaning rolling cage 2 rotates to enable the tableware in the cleaning box 3 to enter the water again, the cleaning rolling cage 2 rotates continuously to enable the tableware in the cleaning box 3 to roll slowly and simultaneously dip into the water to wash the tableware, residues in the tableware are slowly poured out of the cleaning box 3 and slowly sink into the bottom of the main water tank 15, when the large tableware and kitchenware need to be cleaned, the second water level switch 162 and the second automatic water supply switch 185 control the water inflow in the auxiliary water tank 16, the extension shaft 252 is arranged on one side of the rotating shaft 25, the large tableware and kitchenware such as a pot are hung on the hook 258, the rotating shaft 25 drives the fixing shaft 255 to rotate anticlockwise, the rotating shaft 25 needs to rotate anticlockwise slowly when rotating, the rotating shaft 25 is prevented from rotating too fast, the cleaning rolling cage 2 and the extension shaft 252 are driven to rotate too fast, the residues in the main water tank 15 and the auxiliary water tank 16 are turned over to make the residues stick on the tableware again, after the cleaning is finished, the motor 29 is closed, the rotating shaft 25 stops rotating, after the cleaning is finished for one minute, the first water outlet 153 and the second water outlet 163 are opened to discharge the residues, the switch door 24 is opened, the cleaning drawer 34 is drawn out, and the cleaned tableware is taken away.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims (4)

1. A novel dish washing machine comprises a bottom washing frame (1) and is characterized in that a first supporting plate (11) is arranged in the bottom washing frame (1), a second supporting plate (12) is arranged on one side of the first supporting plate (11), an upper cover (14) is arranged above the bottom washing frame (1), a main water tank (15) is arranged on the first supporting plate (11), an auxiliary water tank (16) is arranged on the second supporting plate (12), a washing rolling cage (2) is arranged above the bottom washing frame (1), the washing rolling cage (2) comprises a first frame (21) and a second frame (22), connecting frames (23) distributed in an array mode are arranged between the first frame (21) and the second frame (22), a rotating shaft (25) is arranged in the center of the washing rolling cage (2), a threaded hole (251) is formed in one end of the rotating shaft (25), an extension shaft (252) is arranged at one end of the rotating shaft (25), one end of an extension shaft (252) is provided with a threaded column (2521), the threaded column (2521) is matched with a threaded hole (251) to enable the extension shaft (252) to be fixed at one end of a rotating shaft (25), the other end of the extension shaft (252) is provided with a first through positioning hole (2522), a hanging shaft (253) is arranged on the extension shaft (252), a second through positioning hole (2531) is arranged in the hanging shaft (253), the second through positioning hole (2531) is fixed with the first positioning hole (2522) through a screw, the extension column (254) is arranged below the hanging shaft (253), a fixing shaft (255) is arranged on the extension column (254), a shaft sleeve (256) is arranged on the fixing shaft (255), a rotating bearing (257) is arranged in the shaft sleeve (256), one end of the shaft sleeve (256) is provided with a hook (258), cleaning boxes (3) which are axially distributed are also arranged in the cleaning roller cage (2), flow ports (31) which are arranged in an array distribution are arranged on the, the bottom frame (32) is provided with fixing blocks (33) distributed in an array mode, the fixing blocks (33) are installed on the connecting frames (23) distributed in the array mode, a cleaning drawing box (34) is arranged in the cleaning box (3), an isolating layer (35) distributed in the array mode is arranged in the cleaning drawing box (34), and a handle (36) is arranged on one side of the cleaning drawing box (34).

2. The novel dish washing machine as claimed in claim 1, wherein a first slot (111) is formed in the first support plate (11), a second slot (121) is formed in the second support plate (12), a first hinge (13) is formed at one side of the bottom washing rack (1), the upper cover (14) is rotatably matched with the bottom washing rack (1) through the first hinge (13), a PX plastic cover (141) is covered through the upper cover (14), upper cover handles (142) are arranged at two sides of the upper cover (14), an upper cover slot (143) is formed at one side of the upper cover (14), the main water tank (15) passes through the first slot (111) and is fixed on the first support plate (11), a first water level switch (152) and a first water draining port (153) are formed at one side of the main water tank (15), a first water inlet pipe (154) is formed at the other side of the main water tank (15), the auxiliary water tank (16) penetrates through the second slot (121) and is fixed on the second supporting plate (12), a second oil filter (161) and a second water level switch (162) are arranged on one side of the auxiliary water tank (16), a second water outlet (163) is arranged below the auxiliary water tank (16), a second water inlet pipe (164) is arranged on the other side of the auxiliary water tank (16), a drain pipe (17) is jointly arranged below the first water outlet (153) and the second water outlet (163), a high-temperature water pump (18) is arranged on one side of the main water tank (15), a water inlet (181) and a water outlet (182) are arranged on the high-temperature water pump (18), a flow dividing pipe (183) is arranged on the water outlet (182), a first automatic water supply switch (184) is arranged at one end of the flow dividing pipe (183), the first automatic water supply switch (184) is connected with the first water inlet pipe (154), a second automatic water supply switch (185) is arranged at the.

3. The novel dishwasher according to claim 1, characterized in that the first frame (21) is provided with first slots (211) distributed axially, the connecting frame (23) is provided with connecting steel wires (231) distributed axially, two ends of the connecting steel wires (231) are respectively fixed on the first frame (21) and the second frame (22), the first slots (211) are internally provided with a switch door (24), the switch door (24) is provided with buckles (241) distributed axially, the buckles (241) enable the switch door (24) to be fixed on the first frame (21), the switch door (24) is further provided with a door opening handle (242), the switch door (24) is connected with the first frame (21) through a second hinge (243), the center positions of the first frame (21) and the second frame (22) are provided with a rotating shaft (25) together, and the rotating shaft (25) drives the cleaning roller cage (2) to rotate.

4. The novel dish washing machine as claimed in claim 1, wherein a first bracket (26) is further provided at one end of the rotating shaft (25), a bearing (261) is provided on the first bracket (26), one end of the rotating shaft (25) is installed in the bearing (261), a second bracket (27) is provided at the other end of the rotating shaft (25), the first bracket (26) and the second bracket (27) jointly support the washing roller cage (2), a speed reducer bracket (271) is provided on the second bracket (27), a motor bracket (272) is provided above the speed reducer bracket (271), a tensioning wheel (273) is further provided on the second bracket (27), a right-angle speed reducer (28) is provided on the speed reducer bracket (271), the rotating speed of the right-angle speed reducer (28) is reduced by a self-reduction ratio to change the power transmission direction, one end of the rotating shaft (25) is connected with the right-angle speed reducer (28), a first rotating shaft (281), be equipped with driven gear (282) on first pivot (281), be equipped with motor (29) on motor support (272), motor (29) provide the power source for the rotation of washing roll cage (2), motor (29) one side is equipped with second pivot (291), be equipped with power gear (292) on second pivot (291), motor (29) one side still is equipped with motor numerical control switch (293), motor numerical control switch (293) are controlled motor (29), be equipped with synchronous chain (283) jointly on driven gear (282) and power gear (292), take-up pulley (273) are to synchronous chain (283) tensioning.

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