CN108209794B

CN108209794B - Bidirectional power scrubbing unit and working principle thereof

Info

Publication number: CN108209794B
Application number: CN201711448426.3A
Authority: CN
Inventors: 张文杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-12-27
Filing date: 2017-12-27
Publication date: 2024-06-04
Anticipated expiration: 2037-12-27
Also published as: CN108209794A

Abstract

The invention discloses a bidirectional power scrubbing machine and a working principle thereof, comprising a box body, wherein a turntable support penetrating through the bottom of the box body is arranged at the bottom of the box body, a top cover is arranged at the top of the box body, a bidirectional power gear box is arranged on the top cover, an input shaft of the bidirectional power gear box is connected with a rotating handle, the output ends of the bidirectional power gear box are coaxial two output ends, the inside of the bidirectional power gear box is provided with a cylindrical limit brush head at the end part of a central shaft, the outside of the bidirectional power gear box is provided with a shaft sleeve, a mounting disc is fixedly arranged on the shaft sleeve, a group of silicone tubes are arranged on the end surface of the mounting disc, tableware is placed on a freely rotatable turntable in the turntable support, and when the handle is rocked, the bidirectional power gear box outputs two opposite directions of power to respectively drive the cylindrical limit brush head and the mounting disc to rotate in opposite directions, so as to drive the turntable and tableware on the turntable to rotate at high speed, and the top of the box body is provided with a water spraying system which is connected with an upper nozzle and a lower nozzle arranged on the side wall of the box body through a connecting tube. Can wash various tableware including pots and basins, one tableware, no secondary pollution problem of a circulating water pipe, simple operation and the like.

Description

Bidirectional power scrubbing unit and working principle thereof

Technical Field

The invention belongs to the field of cleaning appliances, and relates to a tableware scrubber and a working principle thereof.

Background

In daily life, the work of washing dishes, washing cups and the like is dry and tedious, and the problems of freezing hands, hurting hands and the like are solved. Although there are dishwashers on the market, current dishwashers are basically designed based on the european style, and the operation of the conventional european style dishwashers is complex, basically by circulating water jets, the working principle of washing tableware. The washing time is long, the electric energy consumption is high, a large amount of dirt is accumulated in the spray pipe and the transition pipe, and the tableware is endangered by secondary pollution. For most families in China, the population is small, tableware used per meal is not much, european dish washing machines are uncomfortable, and therefore dish washing machines are not popularized in China for decades.

The invention relates to a scrubber which is invented on the basis of fully researching the dining habit of China and the structure of tableware, and is mainly aimed at Chinese tableware, and can be used for scrubbing various tableware including pots, basins and the like. The tableware is washed, the secondary pollution problem of the circulating water pipe is avoided, and the operation is simple.

Disclosure of Invention

The invention aims to provide a bidirectional power scrubbing unit and a working principle thereof, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions:

The bidirectional power scrubbing machine and the working principle thereof comprise a box body 1 which is propped up, a turntable support 14 penetrating through the bottom of the box body 1 is arranged at the bottom of the box body 1, a top cover 2 capable of rotating a certain angle around a rotating shaft 5 is arranged at the top of the box body 1, a bidirectional power gear box 3 is arranged on the box body, an input shaft of the bidirectional power gear box 3 is connected with a handle 4, two output ends are coaxial, the inside is a central shaft 131, a cylindrical limit brush head 13 is fixedly arranged at the end of the bidirectional power gear box, a shaft sleeve 138 is arranged at the outside, a mounting disc 16 is fixedly arranged at the end of the mounting disc 16, a group of silica gel pipes 15 are fixedly arranged at the end face of the mounting disc 16, the silica gel pipes 15 are regularly arranged, the silica gel pipes have certain elasticity and certain strength, one free ends of the silica gel pipes 15 are pressed against the inner surface of the tableware 12, or are partially arranged on the outer surface of the tableware 12, and the mounting disc 16 and the silica gel pipes 15 on the mounting disc rotate in opposite directions relative to the central shaft 131 and the cylindrical limit brush head 13 fixedly connected with the rotating direction, so that the two silica gel pipes can not drive the tableware 12 to rotate at the same speed, or the opposite directions relative to the opposite directions of the cylindrical limit brush heads 13;

The bottom of the box body 1 is fixedly provided with a group of elastic brushes 11 which are circumferentially and uniformly distributed or symmetrical relative to the center of the turntable support 14, a tableware opening is upwards placed in the turntable support, a cylindrical limit brush head 13 is placed at the center of the bottom of the tableware, and the moment acting on the tableware is more than two, wherein at least two moments are opposite to each other;

the top or side of the box body 1 is also provided with a water spraying system 6, the main body of the water spraying system 6 consists of a clear water tank 161 and a detergent tank 165, the lower part of the clear water tank 161 is fixedly provided with a water inlet and outlet valve switch 162, the water outlet is a main junction and a branch junction, wherein the branch junction is connected with the inlet end of a venturi jet 163, the water outlet of the venturi jet 163 and the main junction of the water inlet and outlet valve switch 162 are both connected with a three-way water pipe 166, the third port of the three-way water pipe 166 is connected with a connecting pipe 8, the connecting pipe 8 is communicated with an upper water spray head 7 and a lower water spray head 9, and the suction inlet 164 of the venturi jet 162 is communicated with the detergent tank 165;

When washing, firstly, the one-inlet and two-outlet water valve switch 162 is driven to the branch junction, water flows through the venturi jet 163, according to the working principle of the venturi jet, the suction inlet 164 sucks detergent into the venturi jet 163, the detergent is mixed into the water, the water flows through the three-way water pipe 166 and the connecting pipe 8, finally, the water is sprayed on the surface of tableware from the upper water spraying port 7 and the lower water spraying port 9, after a few seconds, the one-inlet and two-outlet water valve switch 162 is turned to the main junction, the branch junction is closed, and at the moment, the connecting pipe 8 flows out of clean water to clean the tableware.

The bidirectional power gear box 3 is a planetary gear train, a planet carrier and a planetary gear thereof are fixed gears 135, the planetary gear train is fixed on a lower shell 133 through a fixed shaft 137, the fixed gears 135 freely rotate around the fixed shaft 137, a central shaft 131 is an integer, penetrates through the gear box and is fixedly connected with an inner gear ring 134 through a spline, a central gear 136 is fixedly connected with a shaft sleeve 138, a loop is sleeved on the central shaft 131, an upper shell 132 and a lower shell 133 are fixed together, and a plurality of oil-containing bearings 139 are movably connected between the central shaft 131 and the shaft sleeve 138 and between the shaft sleeve 138 and the lower shell 133.

The bottom of the box body 1 is fixedly provided with a turntable support 14, the main body of the turntable support 14 is a mounting seat 1406, a bearing 1404 and a water seal 1403 are fixedly arranged in the main body of the turntable support 14, a connecting shaft 1402 is movably inserted into the bearing 1404 and the water seal 1403, the connecting shaft is axially limited and circumferentially rotates, the turntable 1401 is of a concave structure formed by a plurality of circles of circular rings so as to adapt to different tableware bottom structures, wherein the turntable 1401 has a water leakage hole and other structures, the turntable 1401 can freely rotate in the turntable support 14, but cannot axially move, the tableware 12 is placed on the turntable 1401, a cylindrical limited brush head 13 is propped against the bottom of the tableware 12 from the inside of the tableware, the side movement or the rising of the tableware is limited, and meanwhile, the turntable 12 can be driven to have the trend of rotating in the same direction when the turntable is rotated under the action of friction force.

The center is aligned with the center of the connecting shaft 1402 and is fixedly connected to the connecting shaft 1402, and rotates along with the connecting shaft 1402, and a sealing ring 1405 is also sleeved on the mounting seat 1406.

The power system can also adopt an automatic mode, namely, a rotary disc 1401 on a rotary disc support 14 is directly connected with a rotating shaft of a main motor 17 arranged on the outer side of the bottom of the box body 1, an auxiliary motor 18 is arranged on the top cover 2, a cylindrical limit brush head 13 and a mounting disc 16 are simultaneously and fixedly connected with the output end of the auxiliary motor 18, a one-inlet and two-outlet water valve switch 162 in the water spraying system is replaced by a one-inlet and two-outlet electromagnetic water inlet valve 30, the inlet end is directly connected with a tap water pipeline through a water inlet pipe 22, and the top cover 2 and parts on the top cover are opened and closed through a traction motor 21 and a pull rope 20.

The automation of which can be controlled by a program controller for controlling the individual electrical devices or by a timer or a time delay switch.

The rotary disk support 14 has two coaxial output ends, a rotary shaft 1402 and an outer sleeve 1408, which are in rolling connection through a bearing 1407, a fixed disk 1409 is fixedly arranged on the outer sleeve 1408, the rotary disk 1401 is fixedly arranged on the rotary shaft 1402, an elastic brush 11 is fixed on the end surface of the fixed disk 1409, a cylindrical limit brush head 13 and a mounting disk 16 fixedly connected with a silica gel tube 15 are connected on a mounting shaft fixed on the top cover 2, the mounting shaft is fixed or freely rotates, or has external rotation moment, so that more than two rotation moments act on tableware, and at least two rotation moments are opposite to each other.

Two turntable supports 14 are fixed at two ends of a mounting rod 25 on a rotatable guide rod 26, the guide rod 26 is movably mounted in a guide sleeve 27-fixed on the box body 1, and a compression spring 28 is axially mounted to realize the function of alternately washing and placing workpieces.

Two turntable supports 14 are respectively fixed at two ends of a rotatable Z-shaped mounting frame 31 to realize the functions of washing and placing workpieces alternately, a sucker 34 is movably arranged in a rotating shaft 1402 of the turntable support 14, and the sucker 34 is communicated with a micro vacuum pump through an air pipe 33 and a rotary movable three-way joint 32.

A plurality of rotary table supports 14 are arranged on an intermittent rotary table which rotates intermittently, and an intermittent structure is adopted to control the intermittent rotary table to stop and rotate so as to realize the functions of intermittent feeding, washing and discharging of workpieces, wherein the intermittent structure is a grooved wheel intermittent structure or other intermittent structures.

The turntable support 14 performs the function of being put into and pulled out of the box body by reciprocating movement of the rack and pinion, and the top cover member can be moved up and down by using a screw rod structure.

The turntable supports 14 are placed on the intermittent rotating synchronous belt, and continuous intermittent feeding, washing and discharging processes are realized through intermittent action of the synchronous belt, and a mechanical arm structure is adopted as a feeding structure.

Working principle: when the device works, the top cover 2 is pushed upwards, and then the top cover 2 and the bidirectional power gear box 3 on the top cover rotate by an angle around the rotating shaft 5 together with the cylindrical limit brush head 13, the mounting disc 16, the silicone tube 15 and the like at the output end. Dishes 12 to be washed are placed in the gap between the separated top cover 2 and the cabinet 1 with the center aligned with the center of the dial 1401 as much as possible and with the inner opening facing upward. Then put down the top cover 2, the cylinder limit brush head 13 is placed at the center of the inner bottom of the tableware 12. The free end of the silicone tube 15 is placed at the same time on the inner surface of the cutlery 12 or partially on the outer side of the cutlery 12;

opening a switch 162 of a water inlet valve and a water outlet valve at the branching port, and spraying water with detergent to the inner surface and the outer surface of the tableware by the upper spray head 7 and the lower spray head 9;

The handle 3 is rotated to drive the central shaft 131 and the shaft sleeve 138 of the bidirectional power gear box 3 to rotate in opposite directions, the cylindrical limit brush head 13 and the silica gel tube 15 of the mounting plate 16 rotate in opposite directions, so that the tableware 12 is driven to rotate in a differential speed, the silica gel tube 15 bends outwards under the action of centrifugal force and is controlled by the inner surface of the tableware, the elastic brush 11 at the bottom of the box body 1 is adhered to the inner surface of the tableware to scrub the inner surface of the tableware, meanwhile, the elastic brush 11 yields to the outer surface of the tableware and is adhered to the outer surface of the tableware, when the tableware rotates, the elastic brush 11 is motionless to scrub the outer surface of the tableware effectively, the tableware is scrubbed under the action of water flow with detergent, and the water flow flows through the surface of the tableware 12, falls into the box body 1 under the action of the centrifugal force and is discharged from the water outlet 10 at the bottom of the box body 1 in time;

after washing for a few seconds, the knob of the one-inlet/two-outlet water valve switch 162 can be screwed to the main intersection, and the branch intersection is closed at the same time, at this time, the upper spray head 7 and the lower spray head 9 spray clear water, so that the tableware is cleaned for the second time;

after several seconds, the one-inlet-two-outlet valve switch 162 can be closed, then the handle 4 is stopped to rotate, the top cover 2 is opened, the tableware 12 can be taken out, and one tableware can be washed clean only for several tens of seconds.

The invention has the beneficial effects that: the invention relates to a scrubber which is invented on the basis of fully researching the dining habit of China and the structure of tableware, mainly aims at Chinese tableware, can scrub various tableware including pots and basins, has no secondary pollution problem of a circulating water pipe, is easy to operate and the like.

Drawings

FIG. 1 is a sectional view of a two-way power scrubber and its operating principle;

FIG. 2 is a view showing a state in which a cover is opened by a bi-directional power scrubber and its operation principle;

FIG. 3 is a schematic diagram of an automated bi-directional power scrubber operation;

FIG. 4 is a diagram of an automated bi-directional power scrubber top cover open condition;

FIG. 5 is a schematic diagram of a lower powered bi-directional power scrubber;

FIG. 6 is a schematic diagram of the operation of the water spray system;

FIG. 7 is a schematic diagram of the operation of the turntable support;

FIG. 8 is a block diagram of a bearing support for a dual spindle;

FIG. 9 is a schematic diagram of a bi-directional power gearbox;

FIG. 10 is a schematic diagram of a semi-automatic bi-directional power scrubber operation;

FIG. 11 is a schematic diagram of the operation of the fully automatic bi-directional power scrubber;

FIG. 12 illustrates the principle of operation of an intermittent rotary table automatic feed bi-directional power scrubber;

FIG. 13, intermittent turntable auto feed configuration;

FIG. 14, schematic diagram of an intermittent structure;

FIG. 15 is a schematic diagram of a reciprocating bi-directional power scrubber;

FIG. 16 is a schematic diagram of a circulating bi-directional power scrubber;

The parts include a box body 1, a top cover 2, a bidirectional power gear box 3, a handle 4, a rotating shaft 5, a water spraying system 6, an upper spray nozzle 7, a connecting pipe 8, a lower spray nozzle 9, a water outlet 10, an elastic brush 11, tableware 12, a cylindrical limit brush head 13, a rotary table support 14, a silica gel tube 15, a mounting disc 16, a main motor 17, an auxiliary motor 18, a motor protection cover 19, a pull rope 20, a traction motor 21, a water inlet pipe 22, a one-inlet and two-outlet electromagnetic water inlet valve 23 and a gear pair 24.

Central shaft 131, upper shell 132, lower shell 133, ring gear 134, fixed gear 135, sun gear 136, fixed shaft 137, shaft sleeve 138, and oil-retaining bearing 139.

Clear water tank 161, one-inlet and two-outlet valve switch 162, venturi jet tube 163, suction inlet 164, detergent tank 165, three-way water tube 166

Turntable 1401, connecting shaft 1402, water seal 1403, bearing 1404, sealing ring 1405, mounting seat 1406, needle bearing 1407, outer sleeve 1408 and fixed disk 1409.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

Specific example 1: manual control washing mode

FIG. 1 is a sectional view of a two-way power scrubber and its operating principle,

FIG. 2 is a view showing a state in which a cover is opened by a bi-directional power scrubber and its operation principle

FIG. 6 is a schematic diagram of the operation of the water spray system

Fig. 7, a schematic diagram of the operation of the turntable support,

FIG. 9 is a schematic diagram of a bi-directional power gearbox

The parts comprise a box body 1, a top cover 2, a bidirectional power gearbox 3, a handle 4, a rotating shaft 5, a water spraying system 6, an upper spray nozzle 7, a connecting pipe 8, a lower spray nozzle 9, a water outlet 10, an elastic brush 11, tableware 12, a cylindrical limit brush head 13, a turntable support 14, a silica gel tube 15, a mounting disc 16, a main motor 17, an auxiliary motor 18, a motor protection cover 19, a pull rope 20, a traction motor 21, a water inlet pipe 22, a one-inlet and two-outlet electromagnetic water inlet valve 23 and a gear pair 24;

central shaft 131, upper shell 132, lower shell 133, inner gear ring 134, fixed gear 135, central gear 136, fixed shaft 137, shaft sleeve 138, oil-containing bearing 139;

A clean water tank 161, a one-inlet and two-outlet valve switch 162, a venturi jet tube 163, a suction inlet 164, a detergent tank 165, a three-way water pipe 166;

The system comprises: the device comprises a main body structure, a power structure, a water spraying system, a turntable structure, a brushing structure and the like.

The main structure is a box body 1 and a top cover 2 connected with the box body through a rotating shaft 5, and the top cover 2 can be opened at a certain angle.

Fig. 9 shows a bidirectional power gearbox 3, which comprises an upper casing 132, a lower casing 133, a central shaft 131, an annular gear 134, a fixed gear 135, a fixed shaft 137, a central gear 136, a shaft sleeve 138 and a plurality of oil-containing bearings 139; wherein the upper shell 132 and the lower shell 133 are fixedly connected together to form a shell, the fixed gear 135 is movably sleeved on the fixed shaft 137, and the fixed shaft 137 is fixedly connected with the lower shell 133; the inner gear ring 134 is movably arranged in the shell and is fixedly connected with the central shaft 131 through a spline, the central gear 136 is fixedly connected with a shaft sleeve 138 sleeved on the central shaft 131, and the shaft sleeve 138, the central shaft 131, the upper shell 132, the lower shell 133 and the like are mutually and rollingly arranged together through an oil-containing bearing 139; when the central shaft 131 rotates, the inner gear ring 134 is driven to synchronously rotate, and according to the working principle of the planetary gear, the central gear 136 obtains a rotation moment accelerated in the opposite direction; the driving bushing 138 thus likewise has a power to accelerate the rotation in the opposite direction with respect to the central shaft 131.

The brushing structure consists of a cylindrical limit brush head 13 fixedly arranged on a central shaft 131 of the bidirectional power gearbox 3, a mounting plate 16 fixedly arranged on a shaft sleeve 138, a silicone tube 15 thereof and the like, and an elastic brush 11 is also arranged at the bottom of the box body 1.

In fig. 6, the water spraying system comprises a clean water tank 161, a water inlet/outlet valve switch 162, a venturi jet pipe 163, a suction inlet 164, a detergent tank 165, a three-way water pipe 166, wherein the input end of the water inlet/outlet valve switch 162 is connected with the clean water tank 161, the output end is divided into a main junction and a branch junction, wherein the branch junction is connected with the water inlet end of the venturi jet pipe 163, the water outlet end of the venturi jet pipe 163 and the main junction of the water inlet/outlet valve switch 162 are connected with the three-way water pipe 166, the third port of the three-way water pipe 166 is connected with a connecting pipe 8, the other end of the connecting pipe 8 is connected with the upper spray head 7 and the lower spray head 9, when the water inlet/outlet valve switch 162 is opened to the branch junction, detergent is sucked into the water from the detergent tank 165 and sprayed on the inner and outer surfaces of the tableware 12 respectively from the upper spray head 7 and the lower spray head 9, and when the water inlet/outlet valve switch 162 is opened to the main junction, the clean water is sprayed.

In the structure of the turntable in fig. 7, the main body of the turntable support 14 is a mounting seat 1406, a bearing 1404 and a water seal 1403 are installed in the mounting seat, the turntable 1401 is fixedly connected with the connecting shaft 1402, the connecting shaft 1402 is inserted into the bearing 1404 and the water seal 1403, the axial limiting is performed, the circumferential free rotation is performed, a sealing ring 1405 is further arranged on the mounting seat 1406, when the component of the turntable support 14 is inserted into a mounting hole at the bottom of the box 10 and is fixed by a screw, the static sealing is ensured by the sealing ring 1405, and the connecting shaft 1402 and the turntable 1401 can rotate together.

When washing, firstly, the top cover 2 is pulled open, the tableware 12 is put on the turntable 1401 on the turntable support 14, the inner opening of the tableware 12 is upwards, the bottom is put in the turntable 1401, then the top cover 2 is put down, at this time, the cylindrical limit brush head 13 arranged on the central shaft 131 of the bidirectional power gearbox 3 falls into the center of the inside of the tableware 12, the free end of the silica gel tube 15 fixed on the mounting disc 16 is also arranged on the inner surface of the tableware 12, or is partially arranged on the outer side of the tableware 12, then a water inlet and outlet valve switch 162 is opened, so that the shunt opening is communicated with water, the venturi jet device 163 sucks detergent and is mixed into water, the upper nozzle 7 and the lower nozzle 9 are sprayed on the surface of the tableware, and at the same time, the rotary handle 4 is rocked, so that the cylindrical limit brush head 13 and the mounting disc 16 provided with the silica gel tube 15 obtain mutually opposite rotary moment, the rotary table 1401 and the tableware 12 arranged on the rotary table are driven to rotate at different speeds relative to the cylindrical limit brush head 13 and the mounting disc 16 provided with the silica gel tube 15, the silica gel tube 15 is simultaneously yieldingly attached to the inner surface of the tableware 12, and the inner surface of the tableware 12 is brushed with the elastic brush effect is generated on the inner surface of the tableware 12, and the elastic brush head is not attached to the inner surface of the tableware 11, and the elastic brush is arranged on the outer surface of the tableware 11.

After washing for several seconds, the one-inlet and two-outlet water valve switch 162 is turned on to control water to the main junction, and simultaneously the auxiliary junction is closed to stop the entry of the detergent, and the sprayed water is clear water to carry out secondary washing on tableware. And closing the water valve for a certain time, and stopping rotating the handle.

The top cover 1 is opened, and the washed tableware is taken out.

The actual washing effect can finish the washing of single tableware at one time, and the residual liquid is discharged from the water outlet 10 at the lower part of the box body. No secondary pollution, quick washing and no limitation of the quantity of washing tableware. Instead of the hand washing mode.

Example 2 automated two-way Power scrubber

FIG. 3 is a schematic diagram of an automated bi-directional power scrubber operation

FIG. 4 is a diagram of an automated bi-directional power scrubber top cover open condition

The automatic bidirectional power scrubbing machine also comprises a main body structure, a power structure, a water spraying system, a turntable structure, a scrubbing structure and the like. The main body structure and the turntable structure are as in case 1 and are not described in any way.

In the power structure, as shown in fig. 3, an output shaft of the main motor 17 is fixedly connected with a connecting shaft 1402 of the turntable structure 14, and meanwhile, the main motor 17 is fixed on the outer side of the bottom of the box 1, and a group of elastic brushes 11 are fixed on the turntable 1401. The auxiliary motor 18 is fixedly arranged on the top cover 2, a motor protection cover 19 is arranged on the auxiliary motor, an output shaft of the auxiliary motor 18 is fixedly connected with the cylindrical limit brush head 13 and the mounting disc 16, and the mounting disc 16 is provided with a silicone tube 15.

The water spraying system is connected with a tap water pipe through a water inlet pipe 22, and a one-inlet and two-outlet water valve switch is replaced by a one-inlet and two-outlet electromagnetic water inlet valve 23, and other parts are as in case 1.

The box body is fixedly provided with a traction motor 21, the traction motor 21 can be controlled in a two-way mode or in a one-way mode through a pull rope 20 and connected with the top cover 2, and when in the two-way control, the cover opening and closing are realized through the control of the traction motor, and when in the one-way control, the cover opening is realized through the pulling of the traction motor 21, and the cover closing is realized through the dead weight of the top cover 2.

The electric devices are connected with a computer control board of a main control through a wire harness, the action execution of the electric devices is controlled through a computer program, for example, the program is set to be 1 minute, firstly, a traction motor 21 acts, firstly, a top cover 2 is opened, tableware is put on a turntable 1401, then the top cover 2 is put down, firstly, a first-in and second-out electromagnetic water inlet valve 23 opens a junction, a suction inlet 164 of a venturi jet 163 sucks detergent from a detergent tank 165 and mixes the detergent into water, the detergent is sprayed on the inner surface and the outer surface of the tableware from an upper spray head 7 and a lower spray head 9, meanwhile, a main motor 17 and an auxiliary motor 18 are started to rotate in opposite directions, the main motor 17 drives the turntable 1401 and the upper tableware 12 thereof to rotate, the auxiliary motor 18 drives a cylindrical limit brush head 13 and a mounting disc 16 fixedly connected with a silica gel pipe 15 to rotate in opposite directions relative to the turntable 1401 fixedly provided with the elastic brush 11, and the tableware 12 is in between the two, friction force of brushing pieces is generated between the inside and the tableware 12 and the outside, and the brushing pieces are relatively displaced.

After a few seconds, the electromagnetic water inlet valve 23 is turned to the main intersection, and the intersection is closed, so that clean water is sprayed from the upper spray head 7 and the lower spray head 9 to clean tableware for the second time. And cleaning for about 30 seconds, namely stopping the actions of the electromagnetic water inlet valve 23, the main motor 17 and the auxiliary motor 18, starting the top cover 2 by the traction motor 21, taking out the cleaned tableware, and repeatedly executing the processes to sequentially wash the tableware.

The washing is simple, the operation is convenient, and the washing effect is good.

Example 3 lower powered two-way Power scrubber

FIG. 5 is a schematic diagram of a lower power two-way power scrubber

FIG. 8 is a block diagram of a bearing support with dual spindles

The lower power bidirectional power scrubbing machine comprises a main body structure, a power structure, a water spraying system, a rotary disc structure, a scrubbing structure and the like, wherein the main body structure is the same as that of case 1 and case 2, the water spraying system is the same as that of case 2, the rotary disc structure is a bearing support with double rotary shafts shown in fig. 9, the lower power bidirectional power scrubbing machine comprises a mounting seat 1406, a bearing 1404 and a water seal 1403, the rotary shafts are coaxially sleeved together, the connecting shaft 1402 and the outer shaft sleeve 1408 are in rolling fit through a needle bearing 1407, the rotary disc 1401 is fixedly connected with the connecting shaft 1402, in addition, a fixed disc 1409 is fixedly connected with the outer shaft sleeve 1408, a group of elastic brushes 11 are uniformly and fixedly arranged on the fixed disc 1409, the connecting shaft 1402 is inserted into the bearing 1404 and the water seal 1403 and axially limited, the connecting shaft 1402 and the outer shaft sleeve 1408 can freely rotate circumferentially, a sealing ring 1405 is arranged on the mounting seat 1406, and when a component of the rotary disc support 14 is inserted into a mounting hole at the bottom 1405 of the box 1 and is fixed through a screw, and static sealing can be ensured.

The cylindrical limit brush head 13 and the mounting plate 16 fixedly connected with the silicone tube 15 are fixed on a mounting shaft on the top cover 2, and the mounting shaft can be fixed or can rotate freely or has external rotation moment, so that more than two rotation moments act on the tableware, and at least two moments are opposite to each other.

The output shaft of the main motor 17 is fixedly connected to the connecting shaft 1402 of the turntable support 14, and the auxiliary motor 18 is connected to the outer hub 1408 via a gear pair 24 or a pulley assembly or the like. The main motor 17 and the auxiliary motor 18 are fixedly arranged on the outer side of the lower part of the box body 1 and do not interfere with each other.

The water jet system is as in case 2.

When in operation, the main motor 17 drives the connecting shaft 1402 and the turnplate 1401 and the tableware 12 thereon to rotate, the auxiliary motor 18 drives the outer sleeve 1408 and the fixed disc 1409 to rotate in the opposite direction, the elastic brush 11 is arranged on the fixed disc 1409, so that the elastic brush is rotated along with the fixed disc 1409 to brush the outer surface of the tableware 12, the cylindrical limit brush head 13 fixed on the top cover 2 and the mounting disc 16 fixedly connected with the silicone tube 15 are stationary or rotate at a differential speed along with the tableware, when the turnplate 1401 rotates at a high speed, the tableware 12 is also rotated, the free ends of the cylindrical limit brush head 13 and the silicone tube 15 scrape the inner surface of the tableware 12, the elastic brush 11 fixed on the fixed disc 1409 brushes the outer surface of the tableware 12, and when the water spraying system sprays liquid or clear water with detergent, the tableware 12 achieves the effects of brushing and cleaning, and the liquid is thrown out of the tableware 12 under the action of the centrifugal force and is discharged from the water outlet 10. The washing process is as in case two and is not described in any way.

Example 4 semi-automatic bidirectional Power scrubber

See fig. 10, the newly added parts, a mounting rod 25, a guide post 26, a guide sleeve 27 and a compression spring 28.

The machine has major structure, power structure, water spray system, carousel structure, and the structure is scrubbed to the structure outside, has still increased station conversion structure, and the carousel structure is two sets of, installs and station conversion structural on, realizes the function of continuous material loading.

The box body 1 is a semi-open box body, the top cover 2 is fixed, the input end of the bi-directional power gear box 1 on the top cover 2 is fixedly connected with the output shaft of the auxiliary motor 18 fixed on the shell of the bi-directional power gear box 3, the auxiliary motor 18 drives the bi-directional power gear box 3 to output a central shaft 131 and a shaft sleeve 138 which are opposite to each other, a cylindrical limit brush head 13 and a mounting disc 16 are respectively and fixedly mounted on the two parts, a silicone tube 15 is fixedly mounted on the mounting disc 16, a guide sleeve 27 is fixedly mounted on one side of the box body 1, a guide pillar 26 is movably mounted in the guide sleeve 27, the guide pillar 26 can freely rotate and axially move in the guide sleeve 27, a mounting rod 25 is fixedly mounted at the lower end of the guide pillar 26, a rotary table support 14 is fixedly mounted at two ends of the mounting rod 25, a pressure spring 28 is sleeved between the guide pillar 26 and the guide sleeve 27, and limiting is performed through the end surfaces.

During operation, the tableware 12 to be washed is placed on the turntable support 14 on the left side of the mounting rod 25, the guide post 26 is pressed by hands, the pressure spring 28 is compressed, the guide post 26 is rotated at the same time, the turntable support 14 on the left side and the tableware 12 on the turntable support are rotated by 180 degrees, the turntable support 14 on the right side is placed under the cylindrical limit brush head 13, the original turntable support 14 on the right side is exchanged to the left side, the guide post 26 is released, under the action of the pressure spring 28, the guide post 26, the mounting rod 25 fixedly connected with the tableware 12 and the cylindrical limit brush head 13 are moved upwards, the auxiliary motor 18 rotates to drive the cylindrical limit brush head 13 and the mounting disc 16 to rotate in opposite directions, and the silica gel tube 15 on the cylindrical limit brush head 13 and the mounting disc 16 are driven to rotate in opposite directions. When the tableware 12 on the right turntable support 14 is washed as before, the water spraying system 6 is operated manually to take out the washed tableware 12 on the left turntable support 14 and put the washed tableware into the dish to be washed, and the semi-automatic operation can be realized by reciprocating the actions, and the rotation and the up-and-down movement of the guide post 26 can also be realized electrically. The mode of this case can improve washing efficiency and save time.

5. Case 5, full automatic two-way power scrubbing unit

See fig. 11. A working principle diagram of a full-automatic bidirectional power brushing machine.

In fig. 11, a servo motor 29, a rotation center 30, a z-shaped mounting frame 31, a rotary movable joint three-way joint 32, an air pipe 33, a suction cup 34, a micro vacuum pump 35, a placing frame 36, a telescopic motor 37, a buffer plate 38 and a storage box 39 are added.

The machine has main structure, power structure, water spraying system, turntable structure, brushing structure, intermittent rotating structure, sucking disc structure, etc.

The box body 1 is a semi-open box body, a power structure, a water spraying system, a brushing structure and the like are as in the front case, a sucking disc 34 is movably arranged in the center of a turntable 1401 of the turntable structure 14, the sucking disc 34 is connected with a micro vacuum pump 35 through an air pipe 33 and a rotary movable three-way joint 32, and the turntable structure 14 and the sucking disc 34 in between are two groups and are respectively arranged at two ends of a Z-shaped mounting frame 31.

The intermittent rotating structure is a servo motor 29 or other intermittent rotating structures fixed on the box body, the z-shaped mounting frame 31 and the servo motor 29 are connected to the rotation center 30, and the z-shaped mounting frame is driven by the servo motor 29 to rotate intermittently and clockwise around the rotation center 30.

When the turntable structure 14 and the suction cup 34 are rotated to the left station, the placing rack 36 for placing the dishes to be washed is faced to the lower part, and the lower part of the placing rack 36 is fixedly connected with a telescopic motor 37.

The extension of the telescopic motor 37 pushes the placing rack 35 and the tableware thereon, the outer side of the bottom surface of the uppermost tableware is propped against the sucker 34, at this time, the micro vacuum pump 35 works, the sucker 34 sucks the uppermost tableware, then the telescopic motor 37 retracts and moves downwards, the placing rack 36 and other tableware descend, at this time, the servo motor 29 drives the z-shaped mounting rack 31 to rotate by 180 degrees, the tableware sucked by the sucker 34 and the connected turntable support 14 are placed under the brushing structure, at this time, the sucker 34 is released, the opening of the tableware is upwards and is freely placed on the turntable support 14, and then the brushing structure is put down for brushing.

In the rotation process of the z-shaped mounting frame 31, the brushing structure also moves upwards, so that the rotation is avoided to avoid interference.

After the brushing, the brushing structure moves upwards, the servo motor 29 drives the z-shaped mounting rack 31 to rotate by the next 180-degree angle, and when the cleaned tableware rotates by a certain angle on the turntable support, the cleaned tableware falls into the containing box 39 placed below the right side, and the containing box 39 is filled with clean water or is buffered by the buffer plate 38 and the like, so that the tableware is not damaged.

In the process of washing the tableware 12 at the washing position, the other end of the z-shaped mounting frame 31 returns to the to-be-washed tableware placing frame 36, and the above actions are performed, so that continuous washing can be realized. The tableware opening of a batch is put on the placing frame 35 together downwards, a plurality of tableware can be placed at a time, the action execution of each electric device is controlled by a program, and a part of sensors are added to monitor the execution process.

The case is suitable for the washing requirement of medium tableware quantity.

Example 6 intermittent rotary disk automatic feeding bidirectional power scrubber

As shown in fig. 12, the intermittent rotary table automatically feeds the working principle of the bidirectional power scrubbing machine.

Fig. 13, intermittent turntable auto feed configuration.

Fig. 14, schematic diagram of intermittent structure.

In the figure, an intermittent structure 40, an intermittent turntable 41, a blocking arm 42, a slope blanking track 43, a slope feeding track 44, a conversion positioning point 45 and a stirring rod 46. A notch disc 401, a swivel arm 402, a cylindrical pin 403, a sheave 404.

The working mode of the machine is a production line working mode, which comprises a main body structure, a brushing structure, a water spraying system and a power structure, wherein the difference is that the processes of feeding, washing, discharging and the like of workpiece tableware are automated, and an intermittent structure 40 drives an intermittent turntable 41 to realize gap rotation. The intermittent turntable 41 is formed by at least 3 working positions, in this example, four stations a, b, c and d, and each station is advanced one station distance after each revolution of the intermittent turntable 41, i.e. the position of the next station is entered, for example, the position where the turntable support 14 of the station a runs to the station b, and one station is rotated in turn.

The intermittent structure 40 has various structures, in this case, the intermittent structure 40 is formed by a notch disc 401, a rotating arm rod 402, a cylindrical pin 403, a sheave 404 and the like, wherein the notch disc 401 is driven by a low-speed synchronous motor, the sheave 404 is fixedly connected to the intermittent turntable 41, and when the low-speed synchronous motor drives the notch disc 401 to rotate for one circle, the sheave 404 and the intermittent turntable 41 rotate through one station. When the notch disc 401 rotates, the period of engagement between the cylindrical pin 403 on the rotating arm rod 402 and one groove of the grooved pulley 404 is the rotating process of the grooved pulley 404, when the notch disc 401 rotates by one angle, the cylindrical pin 403 on the rotating arm rod 402 is separated from one groove of the grooved pulley 404 and enters the next period, the arc part of the notch disc 401 is matched in the reverse arc of the grooved pulley 404, the grooved pulley 404 is not moved in this period, the notch disc 401 is driven by the synchronous motor to continuously rotate at a constant speed, and therefore, the intermittent turntable 41 obtains a periodic intermittent rotation mode, and the stall ratio is set according to specific requirements.

In fig. 13, in the automatic feeding structure diagram of the intermittent turntable, the position a is a feeding position, the position b is a brushing position, the position c is a discharging position, and the position d is a wheel space position.

The feeding position a is provided with a slope feeding track 44 on the side edge, an inclined slope or a circulating conveyor belt is arranged on the side edge, the bottommost position of the lower end of the slope is a horizontal plane, here, a conversion positioning point 45 is a table ware which can only fall into one table ware, a servo motor 29 is fixedly arranged beside the conversion positioning point 45 and drives a stirring rod 46 to rotate, the table ware which falls into the position of the conversion positioning point 45 is stirred into a turntable support 14 of the station a on the intermittent turntable 41 every time the stirring rod 46 rotates, and the next table ware on the slope feeding track falls into the conversion positioning point 45, and other table ware is further in turn.

The position b is the washing position, and the washing mode is not repeated in the previous case, but the brushing structure is moved upwards to prevent mutual interference during the rotation of the intermittent turntable 41.

The c position is the blanking position, when the tableware washed in the b position reaches the c position, the blocking arm 42 is encountered, the blocking arm 42 blocks the tableware 12 to continuously rotate together with the intermittent turntable 41, the tableware is supported by the blocking arm 42 to deviate from the original movement track, and falls on a slope blanking track 43 at one side, and moves downwards along the track.

Feeding at the position a, washing at the position b and discharging at the position c are operated simultaneously, and each working period is the time when the intermittent rotating disc stops rotating.

The machine can realize an automatic continuous washing mode, and is suitable for the requirement of large-scale washing.

Example 7 reciprocating two-way Power scrubber

Fig. 15 is a schematic diagram of a reciprocating two-way power scrubber, in which there are gear 47, rack 48, slide rail 49, screw 50, screw nut 51, and other parts as in the previous case.

The cover plate 2, the bidirectional power gear box 3 fixedly arranged on the cover plate 2, the auxiliary motor 18 and the brushing part are taken as a whole and fixedly connected with a screw rod nut 51, a servo motor 29 fixed on the box body 1 drives a screw rod 50, the screw rod 50 is inserted into the screw rod nut 51 and is matched with the screw rod nut 51 for use, when the servo motor 29 rotates under the control of a computer program, the screw rod 50 is driven to rotate, and according to the working principle of the screw rod, the screw rod nut 51 moves axially along the screw rod 50, so that the cover plate 2 and the brushing structure part fixedly arranged on the cover plate are driven to move up and down.

When the box body 1 is semi-open, a slide rail 49 is fixed at the lower part of the box body, a turntable support 14 is slidably mounted on the slide rail 49, the turntable support 14 is connected with a rack 48, a gear 47 fixed at the shaft end of the servo motor 29 is meshed with the rack 48, and when the servo electrode 29 rotates, the gear 47 can drive the rack 48 and the turntable support 14 fixed with the ruler 48 to move along the slide rail 49.

During washing, the servo motor 29 at the upper part of the box body 1 drives the screw rod 50 to rotate, the screw rod nut 51 drives the top cover 2 and the brushing structure part on the top cover to move upwards to separate from the tableware 12, then the servo motor 29 at the bottom of the box body 1 works, the gear 47 drives the rack 48 to pull out the turntable support 14, at the moment, the tableware 12 to be washed is put into the turntable 1401, then the servo motor 29 at the lower part of the box body is reversed to send the turntable support 14 and the tableware 12 on the turntable support to the lower part of the brushing structure, and finally the servo motor 29 at the upper part of the box body 1 rotates reversely to put down the top cover 2 and the power structure and the brushing structure on the top cover for brushing.

After the brushing, the brushing structure is moved up, the turntable support 14 is pulled out, the washed tableware is taken out, the next tableware 2 to be washed is put in, and the above actions are repeated to wash in turn.

Example 8 circulating bidirectional Power scrubber

Fig. 16 is a schematic diagram of a circulating bidirectional power scrubber, in which a driving synchronous pulley 52, a synchronous belt 53, an idler pulley 54, a robot 55, a robot suction cup 56, and the like are shown. Other components as in the previous case.

The main structure, the power transmission structure, the brushing structure, and the water spraying system are as in case 7, and are not tired. The feeding, running, discharging and the like of the workpiece tableware 12 are different from the above, mainly, the servo motor 29 fixed on the box 1 outputs the rotation of a driving synchronous pulley 52, the other end of the box 1 is provided with an idler pulley 54, the synchronous belt 53 is bridged between the driving synchronous pulley 52 and the idler pulley 54, a plurality of turntable supports 14 are uniformly fixed on the synchronous belt 53, the servo motor 29 intermittently rotates, when stopping, one turntable support 14 is opposite to the brushing structure on the top cover 2, when rotating next time, the next turntable support 14 is moved to the lower part of the brushing structure on the top cover 2, when the synchronous belt 53 rotates each time, the servo motor 29 on the upper part of the box 1 moves the top cover 2 and the brushing structure on the top cover, and when the synchronous belt 53 stops, the servo motor 29 on the upper part of the box 1 moves the top cover 2 and the brushing structure on the top cover, the fixed disc 16 of the brushing structure, the silicone tube 15 and the cylindrical limiting brush head 13 are put into the tableware 12 to simultaneously brush, and intermittent actions are performed, so that continuous washing is realized.

The feeding structure is that the inner surface of the tableware 12 to be washed is sucked by a manipulator sucker 56 of a manipulator 55, the tableware 12 is put on a corresponding turntable support and then removed, the next action is waited, and the feeding structure is as follows: when the washed dishes 12 in the turntable support 14 are placed on the timing belt 53, the dishes 12 drop into the receiving box 39 placed thereunder under the force of gravity as the timing belt and the turntable support 14 rotate to the side of the idler wheel 54.

In the whole process, the program controller controls the electric devices to act cooperatively, so that a continuous washing mode is realized.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A bi-directional power scrubber, characterized by: the rotary table comprises a top-opened box body (1), wherein a rotary table support (14) penetrating through the bottom of the box body (1) is arranged at the bottom of the box body, a top cover (2) capable of rotating for a certain angle around a rotary shaft (5) is arranged at the top of the box body (1), a bidirectional power gear box (3) is arranged on the top of the box body, an input shaft of the bidirectional power gear box (3) is connected with a handle (4), two coaxial output ends are arranged at the output ends, a central shaft (131) is arranged inside the bidirectional power gear box, a cylindrical limit brush head (13) is fixedly arranged at the end of the bidirectional power gear box, a shaft sleeve (138) is arranged outside the bidirectional power gear box, a mounting disc (16) is fixedly arranged at the end of the mounting disc (16), a group of silicone tubes (15) is fixedly arranged at the end face of the mounting disc (16), and one free ends of the silicone tubes (15) are pressed against the inner surface of a tableware (12);

the bottom of the box body (1) is fixedly provided with a group of elastic brushes (11) which are circumferentially and uniformly distributed or symmetrical relative to the center of the turntable support (14), a tableware opening is upwards placed in the turntable support, a cylindrical limit brush head (13) is placed at the center of the bottom of the tableware, and more than two moments act on the tableware, wherein at least two moments are opposite to each other;

The top or side of the box body (1) is also provided with a water spraying system (6), the main body of the water spraying system (6) consists of a clear water tank (161) and a detergent tank (165), the lower part of the clear water tank (161) is fixedly provided with a water inlet and outlet valve switch (162), the water outlet is a main junction and a branch junction, wherein the branch junction is connected with the inlet end of a venturi jet (163), the water outlet of the venturi jet (163) and the main junction of the water inlet and outlet valve switch (162) are both connected with a three-way water pipe (166), the third port of the three-way water pipe (166) is connected with a connecting pipe (8), the connecting pipe (8) is communicated with an upper water spray head (7) and a lower water spray head (9), and the suction inlet (164) of the venturi jet (163) is communicated with the detergent tank (165);

The bidirectional power gearbox (3) is a planetary gear train, a planet carrier and a planet gear thereof are fixed gears (135) and are fixed on a lower shell (133) through a fixed shaft (137), the fixed gears (135) rotate freely around the fixed shaft (137), a central shaft (131) is an integer, penetrates through the gearbox and is fixedly connected with an inner gear ring (134) through a spline, a central gear (136) is fixedly connected with a shaft sleeve (138), a loop is sleeved on the central shaft (131), an upper shell (132) and the lower shell (133) are fixed together, and a plurality of oil-containing bearings (139) are movably connected between the central shaft (131) and the shaft sleeve (138) and between the shaft sleeve (138) and the lower shell (133);

The bottom of the box body (1) is fixedly provided with a turntable support (14), the main body of the turntable support (14) is a mounting seat (1406), a bearing (1404) and a water seal (1403) are fixedly arranged in the turntable support (14), a connecting shaft (1402) is movably inserted into the bearing (1404) and the water seal (1403), the turntable (1401) is axially limited and circumferentially rotated, the turntable (1401) is of a concave structure formed by a plurality of circles of circular rings, the center of the turntable is aligned with the center of the connecting shaft (1402) and is fixedly connected with the connecting shaft (1402), the turntable support is rotated along with the connecting shaft (1402), the mounting seat (1406) is also sleeved with a sealing ring (1405), the turntable (1401) can freely rotate in the turntable support (14) but cannot move axially, the tableware (12) is placed on the turntable (1401), and the cylindrical limiting brush head (13) is propped against the bottom of the tableware (12) from the inside of the tableware;

The power system also adopts an automatic mode, namely a rotary table (1401) on a rotary table support (14) is directly connected with a rotating shaft of a main motor (17) arranged on the outer side of the bottom of a box body (1), an auxiliary motor (18) is arranged on a top cover (2), a cylinder limiting brush head (13) and a mounting disc (16) are simultaneously and fixedly connected with the output end of the auxiliary motor (18), a water inlet valve and a water outlet valve switch (162) in the water spraying system are replaced by a water inlet valve and a water outlet valve (30), the inlet end is directly connected with a tap water pipeline through a water inlet pipe (22), and the top cover (2) and parts on the top cover are opened and closed through a traction motor (21) and a pull rope (20);

the rotary table support (14) is provided with two coaxial output ends, a rotary shaft (1402) and an outer shaft sleeve (1408) are in rolling connection through a bearing (1407), a fixed disc (1409) is fixedly arranged on the outer shaft sleeve (1408), the rotary table (1401) is fixedly arranged on the rotary shaft (1402), an elastic brush (11) is fixed on the end face of the fixed disc (1409), a cylindrical limit brush head (13) and a mounting disc (16) fixedly connected with a silicone tube (15) are connected on the mounting shaft fixed on the top cover (2), and the mounting shaft is fixed or freely rotates or has external rotation moment, so that more than two rotation moment acts on tableware, and at least two rotation moment are opposite to each other;

A plurality of rotary table supports (14) are arranged on the intermittent rotary table which rotates intermittently, and an intermittent structure is adopted to control the intermittent rotary table to stop and rotate;

The intermittent structure (40) is formed by a notch disc (401), a rotating arm rod (402), a cylindrical pin (403) and a grooved pulley (404), wherein the notch disc (401) is driven by a low-speed synchronous motor, the grooved pulley (404) is fixedly connected to the intermittent turntable (41), when the low-speed synchronous motor drives the notch disc (401) to rotate for one circle, the grooved pulley (404) and the intermittent turntable (41) rotate through a station, when the notch disc (401) rotates, the cylindrical pin (403) on the rotating arm rod (402) is meshed with one groove of the grooved pulley (404), the intermittent turntable (41) is driven by the synchronous motor to continuously rotate at a constant speed, and in the process of rotating the grooved pulley (404), when the notch disc (401) rotates for one angle, the cylindrical pin (403) on the rotating arm rod (402) is separated from one groove of the grooved pulley (404) and enters the next period, and the circular arc part of the notch disc (401) is matched in the reverse circular arc of the grooved pulley (404), and the intermittent turntable (41) is driven by the synchronous motor to continuously rotate at a constant speed.