CN209898111U - Dough mixer with accurate proportioning - Google Patents

Abstract

The utility model discloses a dough mixer with accurate proportioning, which belongs to the field of wheaten food processing equipment and comprises a dough hopper, wherein a feed inlet is arranged on the dough hopper, the top of the dough hopper is fixedly connected with a bracket, and a dough storage barrel and a water storage barrel are fixedly connected at the position of the bracket corresponding to the feed inlet; the noodle storage barrel is made of ferromagnetic materials, a noodle outlet is formed in the bottom of the noodle storage barrel, a noodle outlet cover plate is rotatably connected to the position, corresponding to the noodle outlet, of the noodle storage barrel, an electromagnet YA1 is fixedly connected to the noodle outlet cover plate, a water outlet pipe is fixedly connected to the bottom of the noodle storage barrel, and an electromagnetic valve is fixedly connected to the water outlet pipe; solenoid valve and electro-magnet YA1 are connected with control circuit jointly, and control circuit includes fixedly connected with and goes out the weighing sensor and the flowmeter of fixed connection on the outlet pipe of face apron bottom, the utility model discloses have and to add the face volume and add the water yield by automatic control, guarantee the effect that the face water ratio is accurate.

Description

Dough mixer with accurate proportioning

Technical Field

The utility model belongs to the technical field of the technique of wheaten food processing equipment and specifically relates to a ratio accurate flour-mixing machine is related to.

Background

The present dough-mixing machine belongs to one kind of dough-making machine, and is characterized by that it mainly uniformly mixes flour and water. There are vacuum type dough kneaders and non-vacuum type dough kneaders. Including horizontal, vertical, single-axis, double-axis, half-axis, etc. At present, most pastry food processing enterprises use a dough mixer to mix dough, so that the mixing dough speed is high and the prepared dough has good elasticity.

In the prior art, reference may be made to chinese patent with publication number CN204168950U, which discloses a dough mixer, comprising a dough mixer cavity, a dough mixer body and a support body, wherein the dough mixer cavity is fixed on a horizontal base surface through the support body; the flour-mixing machine body is arranged on the flour-mixing machine cavity, wherein: the dough kneading machine cavity comprises a dough hopper and a cover plate, the cover plate is arranged above the dough hopper, and the dough hopper is connected with the cover plate through a matching structure; the supporting body comprises a first supporting plate and a second supporting plate which are arranged on the outer sides of a first panel and a second panel of the cavity of the dough mixing machine, the first supporting plate and the first panel form a first side surface, and the second supporting plate and the second panel form a second side surface; the dough kneading machine body comprises a rotating shaft and stirring blades arranged on the rotating shaft, and a first end and a second end of the rotating shaft are respectively fixed on the first side surface and the second side surface.

The above prior art solutions have the following drawbacks: the dough-water ratio in the dough kneading machine dough kneading process is very important, but because manufacturers produce the dough in batches, when workers add water into the dough kneading machine, the efficiency is considered, and the accurate dough adding amount and water adding amount are difficult to judge, so that the dough-water ratio is unbalanced, and the quality of the prepared dough is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a ratio accurate flour-mixing machine can automatic control add the face volume and add the water yield, guarantees that the face-water ratio is accurate.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a dough mixer with accurate proportioning comprises a dough hopper, wherein a stirring shaft is rotationally connected in the dough hopper, a feed port is formed in the dough hopper, a support is fixedly connected to the top of the dough hopper, and a dough storage barrel and a water storage barrel are fixedly connected to the support at positions corresponding to the feed port;

the noodle storage barrel is made of ferromagnetic materials, a noodle outlet is formed in the bottom of the noodle storage barrel, a noodle outlet cover plate is rotatably connected to the position, corresponding to the noodle outlet, of the noodle storage barrel, the noodle outlet cover plate can cover the noodle outlet, an electromagnet YA1 is fixedly connected to the noodle outlet cover plate, and when the noodle outlet cover plate covers the noodle outlet, the electromagnet YA1 can abut against the noodle storage barrel;

the bottom of the water storage barrel is fixedly connected with a water outlet pipe, the water outlet pipe is arranged towards the feeding hole, and the water outlet pipe is fixedly connected with an electromagnetic valve;

the electromagnetic valve and the electromagnet YA1 are connected with a control circuit together, and the control circuit comprises a flour detection module, a pressure comparison module, a flour control module, a water quantity detection module, a flow comparison module and a water quantity control module;

the flour detection module comprises a weighing sensor fixedly connected with the bottom of the flour outlet cover plate, and the weighing sensor detects the pressure applied to the flour outlet cover plate and outputs a pressure value;

the pressure comparison module is connected with the flour detection module and receives the pressure value output by the flour detection module, compares the pressure value with a preset pressure value, and outputs a high-level signal when the pressure value is greater than the preset pressure value;

the flour control module is connected with the pressure comparison module and responds to the high level signal output by the pressure comparison module, and when the flour control module receives the high level signal, the electromagnet YA1 is controlled to be powered off;

the water quantity detection module comprises a flowmeter fixedly connected to the water outlet pipe, and the flowmeter detects the flow of water passing through and outputs a flow value;

the flow comparison module is connected with the water quantity detection module and receives the flow value output by the water quantity detection module, compares the flow value with a preset flow value, and outputs a high-level signal when the flow value is greater than the preset flow value;

the water quantity control module is connected with the flow comparison module and responds to the high level signal output by the flow comparison module, and the water quantity detection module controls the electromagnetic valve to be closed after receiving the high level signal.

Through adopting above-mentioned scheme, the staff adds flour to storing up in the face bucket, when flour weight reaches the setting value, electro-magnet YA1 is automatic to lose the electricity, it opens because of the dead weight to go out the face apron, stores up the face bucket and begins to fight interior unloading to the face, the staff stop add the flour can, the staff opens the solenoid valve, the water in the water storage bucket flows in fighting to the face through the outlet pipe, when the water that adds reaches the setting value, the solenoid valve self-closing guarantees that the face water ratio is accurate, improves product quality.

The utility model discloses further set up to: the flour control module further comprises a buzzer fixedly connected with the support, and the buzzer is controlled to be powered on to give an alarm after the flour control module receives the high-level signal.

Through adopting above-mentioned scheme, the staff can be reminded when the flour addition reaches the setting value to bee calling organ, prevents that the staff from excessively adding flour.

The utility model discloses further set up to: rotate at storage face bucket top and be connected with the flour top cap, the flour top cap can cover storage face bucket top, correspond the cylinder body of flour top cap position fixedly connected with cylinder at storage face bucket, the vertical setting of piston rod of cylinder, fixedly connected with push rod on the piston rod of cylinder, the push rod corresponds flour top cap position department and has set firmly helical blade, correspond helical blade position department at the flour top cap and seted up the square groove, helical blade sliding connection is in the square groove, the flour top cap can use the push rod to rotate as the axle center.

Through adopting above-mentioned scheme, the cylinder can reciprocate through driving the push rod and drive the flour top cap and rotate, and the flour top cap can cover storage face bucket top, prevents that the staff from adding flour, also can prevent that external impurity from getting into in the storage face bucket when storage face bucket unloading.

The utility model discloses further set up to: the flour top cover can cover the top end of the flour storage barrel in the extending state of the piston rod of the air cylinder; the air cylinder is connected with an electromagnet YA2 for controlling the piston rod of the air cylinder to extend out and an electromagnet YA3 for controlling the piston rod of the air cylinder to contract, the flour control module controls the electromagnet YA2 to be electrified after receiving a high level signal, and the electromagnet YA3 is not electrified.

Through adopting above-mentioned scheme, when the flour addition reached the setting value, the piston rod automatic extension of cylinder drove the flour top cap and rotates, makes the flour top cap cover store up face bucket top, avoids the staff to excessively add flour.

The utility model discloses further set up to: still be connected with the charging barrel on the support, charging barrel bottom fixedly connected with filling tube, the filling tube dashes towards the feed inlet setting, fixedly connected with valve on the filling tube.

Through adopting above-mentioned scheme, the loading bucket is used for depositing extra raw materials, when needs add extra raw materials, only needs open the valve, and the raw materials will be followed the filling tube and get into in the face fill.

The utility model discloses further set up to: the top of the charging barrel is rotatably connected with a charging top cover which can cover the top of the charging barrel.

Through adopting above-mentioned scheme, reinforced top cap can prevent to add the storage bucket when not using, and inside external impurity got into and adds the storage bucket.

The utility model discloses further set up to: the support corresponds charging bucket position department and has seted up the inserting groove, and the charging bucket is pegged graft in the inserting groove, corresponds inserting groove position department threaded connection at the support and has fixing bolt, corresponds fixing bolt position department and has seted up threaded hole at the charging bucket, and when the charging bucket was pegged graft in the inserting groove, fixing bolt can threaded connection in threaded hole.

Through adopting above-mentioned scheme, the charging bucket can be followed the support and dismantled, and convenience of customers changes the charging bucket, changes the auxiliary material that needs to add.

The utility model discloses further set up to: the water quantity control module also comprises a switch SB fixedly connected to the water storage barrel, and when the switch SB is closed, the electromagnetic valve is electrified and opened.

Through adopting above-mentioned scheme, the staff can control the solenoid valve switch through switch SB, makes things convenient for the staff to operate.

To sum up, the utility model discloses following beneficial effect has:

1. the worker adds flour into the flour storage barrel, when the weight of the flour reaches a set value, the electromagnet YA1 is automatically powered off, the flour outlet cover plate is automatically opened, the flour storage barrel starts to feed into the flour hopper, the worker stops adding the flour, the worker opens the electromagnetic valve, water in the water storage barrel flows into the flour hopper through the water outlet pipe, and when the added water reaches the set value, the electromagnetic valve is automatically closed, so that the accuracy of the flour-water ratio is ensured, and the product quality is improved;

2. the air cylinder can drive the flour top cover to rotate by driving the push rod to move up and down, the flour top cover can cover the top of the flour storage barrel to prevent workers from adding flour, and external impurities can be prevented from entering the flour storage barrel when the flour storage barrel is used for discharging;

3. the charging bucket is used for depositing extra raw materials, when needs add extra raw materials, only need open the valve, the raw materials will follow the filling tube and get into in the face fill.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic view showing the structure of a protruding stirring shaft in the embodiment;

FIG. 3 is an exploded view of the protruding bucket structure of the embodiment;

FIG. 4 is a schematic view of an embodiment highlighting the position of the load cell;

FIG. 5 is a schematic circuit diagram highlighting a flour detection module and a pressure comparison module in an embodiment;

FIG. 6 is a schematic circuit diagram of a highlighted flour control module in an embodiment;

FIG. 7 is a schematic view showing the structure of the water storage tub in the embodiment;

FIG. 8 is a schematic circuit diagram showing the water amount detection module and the flow rate comparison module in the embodiment;

FIG. 9 is a schematic circuit diagram of a water control module according to an embodiment;

fig. 10 is an exploded view of the protruding charging barrel structure of the example.

In the figure, 1, a flour hopper; 11. a base; 12. a stirring shaft; 121. a drive shaft; 122. a driven shaft; 123. a drive motor; 13. a feed inlet; 2. a support; 21. a flour storage barrel; 211. a noodle outlet; 212. a dough outlet cover plate; 213. a flour cover plate; 2131. a cylinder; 2132. a push rod; 21321. a helical blade; 2133. a square groove; 22. a water storage barrel; 221. a water outlet pipe; 2211. an electromagnetic valve; 222. a water inlet pipe; 23. a charging barrel; 231. a feed tube; 2311. a valve; 232. a feeding top cover; 233. a threaded hole; 24. inserting grooves; 241. fixing the bolt; 3. a flour detection module; 31. a weighing sensor; 4. a pressure comparison module; 5. a flour control module; 51. a buzzer; 6. a water quantity detection module; 61. a flow meter; 7. a flow comparison module; 8. and a water quantity control module.

Detailed Description

Example (b): a dough mixer with accurate proportioning is shown in figures 1 and 2 and comprises a dough hopper 1, wherein the bottom of the dough hopper 1 is fixedly connected with a base 11. One end of the flour bucket 1 is rotatably connected with a driving shaft 121, the other end of the flour bucket 1 is rotatably connected with a driven shaft 122, a driving motor 123 is fixedly connected to the position of the base 11 corresponding to the driving shaft 121, and an output shaft of the driving motor 123 is fixedly connected to the driving shaft 121. An arc-shaped stirring shaft 12 is fixedly connected between the driving shaft 121 and the driven shaft 122. The driving motor 123 drives the driving shaft 121 to rotate, and the driving shaft 121 drives the stirring shaft 12 to rotate to stir the raw materials such as flour and water in the flour hopper 1.

As shown in fig. 1 and 3, a support 2 is fixedly connected to the top of the flour hopper 1, and a flour storage barrel 21 and a water storage barrel 22 are fixedly connected to the support 2 at positions corresponding to the feed ports 13. The noodle storage barrel 21 is made of ferromagnetic materials such as iron, a noodle outlet 211 is formed in the bottom of the noodle storage barrel 21, a noodle outlet cover plate 212 is rotatably connected to the position, corresponding to the noodle outlet 211, of the noodle storage barrel 21, and the noodle outlet cover plate 212 can cover the noodle outlet 211. An electromagnet YA1 is fixedly connected to the outlet cover 212, and when the outlet cover 212 covers the outlet 211, the electromagnet YA1 can abut against the noodle bucket 21. The top of the flour storage barrel 21 is rotatably connected with a flour top cover which can cover the top end of the flour storage barrel 21. The flour storage barrel 21 is fixedly connected with a cylinder body of the cylinder 2131 corresponding to the position of the flour top cover, a piston rod of the cylinder 2131 is vertically arranged, a piston rod of the cylinder 2131 is fixedly connected with a push rod 2132, and the position of the push rod 2132 corresponding to the position of the flour top cover is fixedly provided with a helical blade 21321. The flour top cover is provided with a square groove 2133 at the position corresponding to the spiral blade 21321, the spiral blade 21321 is connected in the square groove 2133 in a sliding mode, and the flour top cover can rotate by taking the push rod 2132 as an axis.

As shown in fig. 4 and 5, the electromagnet YA1 is connected with a control circuit, and the control circuit comprises a flour detecting module 3, a pressure comparing module 4 and a flour control module 5 (see fig. 6). The flour detection module 3 comprises a weighing sensor 31 fixedly connected with the bottom of the flour outlet cover plate 212, and the weighing sensor 31 detects the pressure applied to the flour outlet cover plate 212 and outputs a pressure value. One end of the weighing sensor 31 is electrically connected with a power supply VCC.

As shown in fig. 5, the pressure comparing module 4 includes a comparator T1 electrically connected to the load cell 31, the load cell 31 is electrically connected to a positive input terminal of the comparator T1, and the preset pressure value Vref1 is input from a negative input terminal of the comparator T1 to the comparator T1. The output end of the comparator T1 is electrically connected with a triode Q1, and the output end of the comparator T1 is electrically connected with the base electrode of the triode Q1. The collector of the triode Q1 is electrically connected with a resistor R1, and the other end of the resistor R1 is electrically connected with a power supply VCC. The emitter of the triode Q1 is electrically connected with an electromagnetic coil KA1, and the other end of the electromagnetic coil KA1 is grounded.

As shown in fig. 1 and 6, the flour top cover can cover the top end of the flour storage barrel 21 in the extended state of the piston rod of the air cylinder 2131. The cylinder 2131 is connected with an electromagnet YA2 for controlling the piston rod of the cylinder 2131 to extend and an electromagnet YA3 for controlling the piston rod of the cylinder 2131 to contract. The flour control module 5 further comprises a buzzer 51 fixedly connected with the support 2. The flour control module 5 comprises a normally open contact KA1-1 electrically connected with one end of the electromagnet YA2, and the other end of the normally open contact KA1-1 is electrically connected with a power supply VCC. The buzzer 51 is electrically connected to the other end of the electromagnet YA2, the other end of the buzzer 51 is electrically connected to the resistor R2, and the other end of the resistor R2 is grounded. The electromagnet YA1 and the electromagnet YA3 are mutually connected in series, the electromagnet YA1 and the electromagnet YA3 are connected in parallel at two ends of the normally-open contact KA1-1 and the resistor R2, and the electromagnet YA1 and the electromagnet YA3 are connected in series with the normally-closed contact KA1-2 and the resistor R3.

The comparator T1 compares the pressure value with a pressure preset value Vref1, when the pressure value is higher than a pressure preset value Vref1, the comparator T1 outputs a high level signal, the collector and the emitter of the triode Q1 are conducted, the electromagnetic coil KA1 is electrified, the normally open contact KA1-1 and the normally closed contact KA1-2 are controlled to be disconnected, the electromagnet YA2 and the buzzer 51 are electrified, and the electromagnet YA1 and the electromagnet YA3 are not electrified. The dough outlet cover plate 212 is opened due to self weight, a piston rod of the air cylinder 2131 automatically extends to drive the flour top cover to rotate, and the flour top cover covers the top of the flour storage barrel 21.

As shown in fig. 7 and 8, the bottom of the water storage barrel 22 is fixedly connected with a water outlet pipe 221, the water outlet pipe 221 is arranged towards the feed port 13, and the water outlet pipe 221 is fixedly connected with an electromagnetic valve 2211. The water inlet pipe 222 is fixedly connected to the water storage barrel 22, and the water inlet pipe 222 and the water outlet pipe 221 are both communicated with the interior of the water storage barrel 22. The control circuit further includes a water amount detection module 6, a flow rate comparison module 7, and a water amount control module 8 (see fig. 9). The water amount detection module 6 includes a flow meter 61 fixedly connected to the water outlet pipe 221, and the flow meter 61 detects the flow rate of the passing water and outputs a flow rate value. One end of the flow meter 61 is electrically connected to a power supply VCC.

As shown in fig. 8, the flow comparing module 7 includes a comparator T2 electrically connected to the flow meter 61, the flow meter 61 is electrically connected to a positive input terminal of the comparator T2, and the preset flow value Vref2 is input from a negative input terminal of the comparator T2 to the comparator T2. The output end of the comparator T2 is electrically connected with a triode Q2, and the output end of the comparator T2 is electrically connected with the base electrode of the triode Q2. The collector of the triode Q2 is electrically connected with a resistor R4, and the other end of the resistor R4 is electrically connected with a power supply VCC. The emitter of the triode Q2 is electrically connected with an electromagnetic coil KA2, and the other end of the electromagnetic coil KA2 is grounded.

As shown in FIGS. 7 and 9, the water quantity control module 8 comprises a normally closed contact KA2-1 electrically connected to one end of the solenoid valve 2211, a switch SB electrically connected to the other end of the normally closed contact KA2-1, and a power source VCC electrically connected to the other end of the switch SB. The switch SB is fixedly connected to the top of the water storage bucket 22. The other end of the solenoid valve 2211 is electrically connected with a resistor R5, and the other end of the resistor R5 is grounded.

When the switch SB is closed by the staff, the electromagnetic valve 2211 is powered on and opened, and the water storage bucket 22 starts to fill water into the flour bucket 1. The flow meter 61 detects the flow rate value of the passing water. The comparator T2 compares the flow value with a preset flow value Vref2, when the flow value is higher than the preset flow value Vref2, the comparator T2 outputs a high level signal, the collector and the emitter of the triode Q2 are conducted, the electromagnetic coil KA2 is electrified, the normally closed contact KA2-1 is controlled to be opened, and the electromagnetic valve 2211 is turned off when power is lost.

As shown in fig. 10, a feeding barrel 23 is further connected to the bracket 2, an insertion groove 24 is formed in a position of the bracket 2 corresponding to the feeding barrel 23, and the feeding barrel 23 is inserted into the insertion groove 24. The support 2 is in threaded connection with a fixing bolt 241 at a position corresponding to the insertion groove 24, a threaded hole 233 is formed at a position corresponding to the fixing bolt 241 of the charging bucket 23, and when the charging bucket 23 is inserted into the insertion groove 24, the fixing bolt 241 can be in threaded connection with the threaded hole 233. The bottom of the charging barrel 23 is fixedly connected with a charging pipe 231, the charging pipe 231 is arranged towards the charging port 13, and a valve 2311 is fixedly connected to the charging pipe 231. The charging barrel 23 is used for storing additional raw materials, and when additional raw materials need to be added, the raw materials can enter the flour hopper 1 from the charging pipe 231 only by opening the valve 2311.

As shown in fig. 10, a feeding top cover 232 is rotatably connected to the top of the feeding barrel 23, and the feeding top cover 232 can cover the top of the feeding barrel 23. Reinforced top cap 232 can prevent to add feed barrel 23 when not using, and inside external impurity got into add feed barrel 23.

The use method comprises the following steps: the pressure preset value Vref1 and the flow preset value Vref2 are set by the staff, the pressure preset value Vref1 is the weight of the flour added at a time, and the flow preset value Vref2 is the flow of the water added at a time. The additional material required is then determined and the corresponding charging barrel 23 is mounted on the frame 2. The charging barrel 23 can be filled with raw materials such as egg paste, milk, yeast powder, etc. which can enter the hopper through the charging pipe 231.

The flour is added into the flour storage barrel 21 after the flour storage barrel is prepared, until the buzzer 51 gives an alarm, the flour addition is stopped, the air cylinder 2131 can drive the flour top cover to rotate to cover the top of the flour storage barrel 21, and then the flour top cover is rotated back. At this time, the dough outlet cover 212 is opened, and the flour falls into the dough hopper 1 through the dough outlet 211. Then the switch SB is closed, the electromagnetic valve 2211 is automatically opened, and the water in the water storage bucket 22 flows into the flour bucket 1 through the water outlet pipe 221. After waiting for the solenoid valve 2211 to automatically close, it is selected whether to add additional material. If addition is required, valve 2311 is opened and valve 2311 is closed after a sufficient amount of feed is visually observed. Finally, the driving motor 123 is started to enable the stirring shaft 12 to stir the raw materials in the flour hopper 1, and then flour mixing can be started.

After the flour storage barrel 21 finishes discharging, the electromagnet YA1 is powered on again, the worker buckles the flour outlet cover plate 212, the electromagnet YA1 adsorbs the flour storage barrel 21, and the next action can be carried out after resetting is finished.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a ratio accurate flour-mixing machine, includes face fill (1), and face fill (1) internal rotation is connected with (mixing) shaft (12), has seted up feed inlet (13) on face fill (1), its characterized in that: the top of the flour hopper (1) is fixedly connected with a bracket (2), and the position of the bracket (2) corresponding to the feed port (13) is fixedly connected with a flour storage barrel (21) and a water storage barrel (22);

the noodle storage barrel (21) is made of ferromagnetic materials, a noodle outlet (211) is formed in the bottom of the noodle storage barrel (21), a noodle outlet cover plate (212) is rotatably connected to the position, corresponding to the noodle outlet (211), of the noodle storage barrel (21), the noodle outlet cover plate (212) can cover the noodle outlet (211), an electromagnet YA1 is fixedly connected to the noodle outlet cover plate (212), and when the noodle outlet cover plate (212) covers the noodle outlet (211), the electromagnet YA1 can abut against the noodle storage barrel (21);

the bottom of the water storage barrel (22) is fixedly connected with a water outlet pipe (221), the water outlet pipe (221) is arranged towards the feed port (13), and the water outlet pipe (221) is fixedly connected with an electromagnetic valve (2211);

the electromagnetic valve (2211) and the electromagnet YA1 are connected with a control circuit together, and the control circuit comprises a flour detection module (3), a pressure comparison module (4), a flour control module (5), a water quantity detection module (6), a flow comparison module (7) and a water quantity control module (8);

the flour detection module (3) comprises a weighing sensor (31) fixedly connected with the bottom of the flour outlet cover plate (212), and the weighing sensor (31) detects the pressure applied to the flour outlet cover plate (212) and outputs a pressure value;

the pressure comparison module (4) is connected with the flour detection module (3) and receives the pressure value output by the flour detection module (3), the pressure comparison module (4) compares the pressure value with a preset pressure value, and when the pressure value is greater than the preset pressure value, a high level signal is output;

the flour control module (5) is connected with the pressure comparison module (4) and responds to a high level signal output by the pressure comparison module (4), and when the flour control module (5) receives the high level signal, the electromagnet YA1 is controlled to be powered off;

the water quantity detection module (6) comprises a flow meter (61) fixedly connected to the water outlet pipe (221), and the flow meter (61) detects the flow of passing water and outputs a flow value;

the flow comparison module (7) is connected with the water quantity detection module (6) and receives the flow value output by the water quantity detection module (6), the flow comparison module (7) compares the flow value with a preset flow value, and when the flow value is larger than the preset flow value, a high level signal is output;

the water quantity control module (8) is connected with the flow comparison module (7) and responds to a high level signal output by the flow comparison module (7), and the electromagnetic valve (2211) is controlled to be closed after the water quantity detection module (6) receives the high level signal.

2. The dough mixer of claim 1, wherein the mixing ratio is precise: the flour control module (5) further comprises a buzzer (51) fixedly connected with the support (2), and after the flour control module (5) receives the high-level signal, the buzzer (51) is controlled to be powered on to give an alarm.

3. The dough mixer of claim 1, wherein the mixing ratio is precise: store up face bucket (21) top and rotate and be connected with the flour top cap, the flour top cap can cover and store up face bucket (21) top, correspond the cylinder body of flour top cap position department fixedly connected with cylinder (2131) in storage face bucket (21), the vertical setting of piston rod of cylinder (2131), fixedly connected with push rod (2132) on the piston rod of cylinder (2131), push rod (2132) correspond flour top cap position department and have set firmly helical blade (21321), square groove (2133) have been seted up in flour top cap correspondence helical blade (21321) position department, helical blade (21321) sliding connection is in square groove (2133), the flour top cap can use push rod 2132 to rotate as the axle center.

4. The dough mixer of claim 3, wherein the mixing ratio is precise: the flour top cover can cover the top end of the flour storage barrel (21) when a piston rod of the air cylinder (2131) is in an extending state; the air cylinder (2131) is connected with an electromagnet YA2 for controlling the piston rod of the air cylinder (2131) to extend out and an electromagnet YA3 for controlling the piston rod of the air cylinder (2131) to contract, the flour control module (5) controls the electromagnet YA2 to be electrified after receiving a high level signal, and the electromagnet YA3 is not electrified.

5. The dough mixer of claim 1, wherein the mixing ratio is precise: still be connected with charging barrel (23) on support (2), charging barrel (23) bottom fixedly connected with filling tube (231), filling tube (231) towards feed inlet (13) setting, fixedly connected with valve (2311) on filling tube (231).

6. The dough mixer of claim 5 with accurate proportioning, wherein: the top of the charging barrel (23) is rotatably connected with a charging top cover (232), and the charging top cover (232) can cover the top of the charging barrel (23).

7. The dough mixer of claim 5 with accurate proportioning, wherein: support (2) correspond charging bucket (23) position department and seted up inserting groove (24), charging bucket (23) are pegged graft in inserting groove (24), correspond inserting groove (24) position department threaded connection at support (2) and have fixing bolt (241), correspond fixing bolt (241) position department and seted up screw hole (233) at charging bucket (23), when charging bucket (23) are pegged graft in inserting groove (24), fixing bolt (241) can threaded connection in screw hole (233).

8. The dough mixer of claim 1, wherein the mixing ratio is precise: the water quantity control module (8) further comprises a switch SB fixedly connected to the water storage barrel (22), and when the switch SB is closed, the electromagnetic valve (2211) is powered on and opened.

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