Automatic proportioning device for fruit juice raw material

Abstract

The utility model relates to juice raw material proportioning technical field discloses a kind of juice raw material automatic proportioning device, including jar cover, the top of jar cover is provided with ration mechanism before and after, the top right side of jar cover is provided with cleaning mechanism, and the cleaning mechanism is used to switch and inject the cleaning fluid of different cleaning procedure;The ration mechanism includes two housings, the bottom of two housings is connected with the top front and back side of jar cover respectively, and the top of two housings is all communicated with storage shell, and the inside of two housings is all rotatably connected with ration cylinder, and the inside left side of two ration cylinders is all slidably connected with ration rod.In the utility model, sliding ration rod changes the internal space of ration cylinder, when high-viscosity raw material in storage shell falls to ration cylinder by gravity, after filling, make ration cylinder rotate one hundred and eighty degrees, and pouring groove faces downward, raw material falls into jar body, avoid the phenomenon that cannot be extracted or broken flow due to fluid resistance.

Description

Technical Field

[0001] This utility model relates to the field of fruit juice ingredient proportioning technology, and in particular to an automatic fruit juice ingredient proportioning device. Background Technology

[0002] Fruit juice raw materials refer to the various basic materials used in the production of fruit juice products. Deviations in the material ratio can lead to large differences in flavor between different batches of products. Therefore, an automatic fruit juice raw material ratio device is needed to realize the proportional transportation, dynamic adjustment and stable mixing of multiple raw materials, thereby ensuring product consistency, improving the efficiency of large-scale production and reducing overall costs.

[0003] A search revealed that Chinese Patent Publication No. CN220657231U discloses a quantitative proportioning device for juice production, belonging to the technical field of juice mixing devices. A quantitative proportioning device for fruit juice production includes a mixing tank, and further includes: a rotating shaft rotatably connected inside the mixing tank, with one end of the rotating shaft penetrating the mixing tank, and a reciprocating thread provided on the penetrating end of the rotating shaft; a bushing threadedly connected to the reciprocating thread of the rotating shaft; multiple sets of connecting rods, all connected to the bushing; and multiple sets of piston cylinders, all connected to the bushing, with a piston rod slidably connected inside the piston cylinder, one end of the piston rod penetrating the piston cylinder, and the penetrating end of the piston rod connected to the connecting rod. This invention, through the arrangement of the bushing, piston cylinder, and piston rod, allows for the continuous quantitative addition of the required raw materials when mixing liquid fruit juice, facilitating mixing between the raw materials and the liquid and improving the mixing effect. However, in actual use, because the device achieves quantitative injection by drawing raw materials from the storage tank through negative pressure generated by the piston cylinder and piston rod, fluid resistance is generated when drawing high-viscosity raw materials, causing interruptions in the supply of high-viscosity raw materials, resulting in inaccurate proportioning and failing to meet the user's needs. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides an automatic juice ingredient proportioning device, which aims to improve the problem in the prior art that fluid resistance is generated when extracting high-viscosity raw materials, causing material interruption and affecting accuracy.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: an automatic juice raw material proportioning device, including a can lid, a metering mechanism is provided at the front and rear of the top of the can lid, and a cleaning mechanism is provided on the right side of the top of the can lid, the cleaning mechanism being used to switch the cleaning liquid for different cleaning processes.

[0006] The metering mechanism includes two housings. The bottoms of the two housings are respectively connected to the front and rear sides of the top of the can lid. The top of each housing is connected to a storage shell. A metering cylinder is rotatably connected inside each housing. A metering rod is slidably connected to the left side of the inside of each metering cylinder. A filling groove is opened on the top of the outer wall of each metering cylinder. A driving assembly is provided on the right side of each housing. A locking assembly is provided on the bottom left side of the outer wall of each metering rod.

[0007] The above technical solution involves the raw material falling from the storage shell under gravity, with the shell providing guidance so that the raw material is injected into the metering cylinder through the filling tank. The sliding of the metering rod can change the internal statistics of the metering cylinder, thereby achieving precise adjustment of the proportion.

[0008] As a further description of the above technical solution:

[0009] The cleaning mechanism includes a chuck, the bottom of which is fixedly connected to the top right side of the can lid. A through hole one is opened on the top left side of the chuck, and a through hole two is opened on the top right side of the can lid. A turntable is rotatably connected to the top of the chuck, and multiple connecting pipes are connected to the top of the turntable. Multiple grooves are opened on the top of the chuck, and positioning components are provided inside the multiple grooves.

[0010] The above technical solution involves: a chuck fixed to the can lid; through holes one and two forming a channel for the cleaning liquid to enter the can; a turntable that can rotate; and top connecting pipes that connect to different cleaning liquids. When rotating, the target connecting pipe can be aligned with through hole one. The positioning component in the groove is used to precisely lock the position of the turntable, enabling quick switching of cleaning liquid types and meeting the multi-process cleaning needs of juice cans.

[0011] As a further description of the above technical solution:

[0012] The drive assembly includes two drive shafts and a drive belt. The left ends of the two drive shafts are fixedly connected to the right ends of the corresponding metering cylinders. The right ends of the two drive shafts pass through the right side of the inner wall of the corresponding shell and are fixedly connected to drive wheels. The two drive wheels are connected by a drive belt. A servo motor is fixedly connected to the front right side of the top right end of the can lid. The output end of the servo motor is fixedly connected to the right end of the corresponding drive wheel.

[0013] The above technical solution involves a servo motor outputting power, which drives two transmission shafts to rotate synchronously via a transmission wheel and belt. This, in turn, causes the two metering cylinders to rotate synchronously, ensuring that the material feeding rhythm of the two metering mechanisms is consistent. The servo motor precisely controls the rotation angle, thereby controlling the metering cylinders to switch between feeding and discharging.

[0014] As a further description of the above technical solution:

[0015] The locking assembly includes two screws, the top ends of which are fixedly connected to the bottom left end of the outer wall of the corresponding metering rod. The front and rear ends of the top left side of the can lid are fixedly connected to guide shells. The outer walls of the two screws are slidably connected to the inner walls of the corresponding guide shells. The bottom ends of the two screws are fixedly connected to limit plates. Nuts are threadedly connected to the middle of the outer walls of the two screws.

[0016] The above technical solution involves a metering rod that is slidably connected to a guide shell via a screw, thereby adjusting the internal volume of the metering cylinder. The nut and the limiting plate work together to clamp the guide shell and fix the position of the screw, thus locking the metering rod and ensuring a stable and fixed position for the metering rod, ensuring the consistency of the amount of raw materials added under different proportion requirements.

[0017] As a further description of the above technical solution:

[0018] The positioning component includes multiple springs, the bottoms of which are fixedly connected to the bottom of the inner wall of the corresponding grooves, and the tops of which are fixedly connected to ball bearings. The bottom of the turntable has multiple positioning grooves, the positions of which correspond to the positions of the corresponding ball bearings.

[0019] Through the above technical solution: the spring pushes the ball to always push against the bottom of the turntable. When the turntable rotates to the point where the target connecting pipe is aligned with the through hole one, the ball is locked into the corresponding positioning groove, forming a mechanical lock, ensuring the alignment accuracy of the connecting pipe and the through hole one.

[0020] As a further description of the above technical solution:

[0021] The bottom of the can lid is provided with a can body, the top of the outer wall of the can body is slidably connected to the inner side of the can lid, the bottom of the outer wall of the can body is fixedly connected with multiple support legs, the bottom of the can body is connected to a discharge pipe, and the outer wall of the discharge pipe is provided with a solenoid valve.

[0022] Through the above technical solution: the tank body and the tank cover are slidably connected to form a closed mixing space, the support leg supports the stable operation of the device, and the discharge pipe and solenoid valve realize the controlled discharge of the mixed juice.

[0023] As a further description of the above technical solution:

[0024] A drive motor is fixedly connected to the top of the can lid. The output end of the drive motor passes through the top of the can lid and is fixedly connected to a stirring rod. Scrapers are fixedly connected to the top left and right sides of the outer wall of the stirring rod, and multiple stirring blades are fixedly connected to the left and right sides of the outer wall of the stirring rod.

[0025] The above technical solution involves a drive motor that rotates the stirring rod, which in turn stirs the raw materials to make them mix evenly. The scraper adheres to the tank wall and scrapes off any remaining raw materials as the stirring rod rotates.

[0026] As a further description of the above technical solution:

[0027] The outer wall dimensions of the two metering rods are the same as the inner wall dimensions of the corresponding metering cylinders, and the outer wall dimensions of the two metering cylinders are the same as the inner wall dimensions of the corresponding shells.

[0028] The above technical solution achieves a seal by using a metering rod with the same dimensions as the inner wall of the metering cylinder, preventing raw materials from leaking or remaining in the gap. The metering cylinder also has the same dimensions as the inner side of the shell, allowing the shell to scrape off any residual raw materials from the outer wall of the metering cylinder when it rotates.

[0029] In summary, 1. In this utility model, when it is necessary to adjust the proportion, the sliding metering rod changes the internal space of the metering cylinder. When the high-viscosity raw material in the storage shell falls into the metering cylinder by gravity, the filling trough is located at the top. The raw material naturally fills the metering cylinder under its own gravity. After the metering cylinder is full, the metering cylinder is rotated 180 degrees so that the filling trough faces downward and the raw material falls into the tank, thus avoiding the phenomenon of failure to absorb or interruption of flow caused by fluid resistance.

[0030] 2. In this utility model, multiple connecting pipes are respectively connected to different types of cleaning fluid connecting pipes to realize the classified supply of cleaning fluid. When it is necessary to switch the type of cleaning fluid, the target connecting pipe is aligned with the through hole of the chuck by rotating the turntable, so as to inject it into the tank for cleaning. The spring in the groove of the chuck pushes the ball upward and locks it into the corresponding positioning groove at the bottom of the turntable to avoid cleaning fluid leakage or mixing of different types of cleaning fluid. Attached Figure Description

[0031] Figure 1 This is a perspective view of an automatic fruit juice ingredient proportioning device proposed in this utility model;

[0032] Figure 2 This is a front view of an automatic fruit juice ingredient proportioning device proposed in this utility model;

[0033] Figure 3 This is a partial structural cross-sectional view of an automatic fruit juice ingredient proportioning device proposed in this utility model;

[0034] Figure 4 for Figure 3 Enlarged view of point A in the image;

[0035] Figure 5 This is a partial structural exploded view of an automatic fruit juice ingredient proportioning device proposed in this utility model;

[0036] Figure 6 This is a partial structural schematic diagram of an automatic fruit juice ingredient proportioning device proposed in this utility model;

[0037] Figure 7 This is a cross-sectional view of the tank structure of an automatic fruit juice ingredient proportioning device proposed in this utility model.

[0038] Explanation of reference numerals in the attached figures:

[0039] 1. Can lid; 2. Metering mechanism; 201. Shell; 202. Storage shell; 203. Metering cylinder; 204. Metering rod; 205. Filling tank; 206. Drive assembly; 2061. Drive shaft; 2062. Drive wheel; 2063. Drive belt; 2064. Servo motor; 207. Locking assembly; 2071. Screw; 2072. Guide shell; 2073. Limiting plate; 2074. Nut; 3. Cleaning mechanism; 301. Chuck; 302. Through hole one; 303. Through hole two; 304. Turntable; 305. Connecting pipe; 306. Groove; 307. Positioning assembly; 3071. Spring; 3072. Ball bearing; 3073. Positioning groove; 4. Tank body; 5. Support leg; 6. Discharge pipe; 7. Solenoid valve; 8. Drive motor; 9. Stirring rod; 10. Scraper; 11. Stirring blade. Detailed Implementation

[0040] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0041] Reference Figure 1 , Figure 3 and Figure 4 An embodiment of this utility model is provided: an automatic juice raw material proportioning device, including a can lid 1. The can lid 1 serves as the top sealing structure of the device, connecting the metering mechanism 2 and the cleaning mechanism 3, isolating external contamination and supporting other components. The metering mechanism 2 is provided at the front and back of the top of the can lid 1, and the cleaning mechanism 3 is provided on the right side of the top of the can lid 1. The cleaning mechanism 3 is used to switch the cleaning liquid injected for different cleaning processes.

[0042] The metering mechanism 2 includes two housings 201. The housings 201 are external protective covers for the metering cylinders 203, providing rotational support and preventing raw material leakage, and guiding the raw materials into the mixing tank 4. The bottoms of the two housings 201 are respectively connected to the front and rear sides of the top of the tank cover 1. The tops of the two housings 201 are connected to storage shells 202, which store different types of fruit juice raw materials. The metering cylinders 203 are rotatably connected inside the two housings 201. The metering cylinders 203 realize the metering extraction and delivery of raw materials by rotating. The metering rods 204 are slidably connected to the left side of the inside of the two metering cylinders 203. The metering rods 204 adjust the internal volume of the metering cylinders 203 by sliding to achieve different mixing ratio requirements. The top of the outer wall of the two metering cylinders 203 is provided with a filling groove 205. The right side of the two housings 201 is provided with a drive assembly 206. The bottom left side of the outer wall of the two metering rods 204 is provided with a locking assembly 207.

[0043] The drive assembly 206 includes two drive shafts 2061 and a drive belt 2063. The left ends of the two drive shafts 2061 are fixedly connected to the right ends of the corresponding metering cylinders 203. The right ends of the two drive shafts 2061 pass through the right side of the inner wall of the corresponding housing 201 and are fixedly connected to drive wheels 2062. The two drive wheels 2062 are connected by the drive belt 2063. The drive belt 2063 drives the two drive wheels 2062 to ensure that the front and rear metering cylinders 203 rotate at the same angle. A servo motor 2064 is fixedly connected to the front right side of the top of the lid 1. The servo motor 2064 provides power to synchronously drive the two metering cylinders 203 to rotate. The output end of the servo motor 2064 is fixedly connected to the right end of the corresponding drive wheel 2062.

[0044] The locking assembly 207 includes two screws 2071. The top ends of the two screws 2071 are fixedly connected to the bottom left end of the outer wall of the corresponding metering rod 204. The front and rear ends of the top left side of the can lid 1 are fixedly connected to guide shells 2072. The screws 2071 and guide shells 2072 are slidably engaged to restrict the rotation of the metering rod 204 and allow only axial movement. The outer walls of the two screws 2071 are slidably connected to the inner walls of the corresponding guide shells 2072. The bottom ends of the two screws 2071 are fixedly connected to limit plates 2073. Nuts 2074 are threadedly connected to the middle of the outer walls of the two screws 2071. The nuts 2074 and limit plates 2073 clamp the guide shells 2072 and fix the metering rod 204 in the opposite direction. The self-locking principle of the threads is used to resist vibration and fluid impact and ensure long-term stability.

[0045] The outer wall dimensions of the two metering rods 204 are the same as the inner wall dimensions of the corresponding metering cylinders 203, and the outer wall dimensions of the two metering cylinders 203 are the same as the inner wall dimensions of the corresponding shells 201.

[0046] Specifically, the device uses gravity filling and rotary discharge. During operation, high-viscosity raw materials fall from the storage shell 202 into the metering cylinder 203 due to gravity. The filling trough 205 is located at the top of the metering cylinder 203. The raw materials flow naturally into the metering cylinder 203 under gravity. When the metering cylinder 203 is full, the servo motor 2064 starts, driving the transmission shaft 2061 to rotate through the transmission wheel 2062 and transmission belt 2063, causing the metering cylinder 203 to rotate 180 degrees. At this time, the filling trough 205 faces downward. Under the combined action of gravity and centrifugal force, the high-viscosity raw materials are quickly discharged, ensuring that the raw materials can smoothly enter the tank 4 and avoiding fluid leakage. If the suction difficulty or flow interruption problem caused by resistance needs to be adjusted, the nut 2074 can be loosened and the metering rod 204 can be moved to change the internal space of the metering cylinder 203. Then, the guide shell 2072 can be fixed in the appropriate position using the nut 2074 and the limiting plate 2073 to ensure that the metering rod 204 remains stable during the filling and discharge of high-viscosity raw materials, thereby ensuring the accuracy and consistency of each discharge. The two metering cylinders 203 can process different types of raw materials at the same time. The inner wall size of the metering cylinder 203 is precisely matched with that of the shell 201. When rotated, a scraping effect is formed to scrape off the high-viscosity raw materials adhering to the cylinder wall, avoiding volume changes caused by residue.

[0047] Reference Figure 3 , Figure 5 and Figure 6 The cleaning mechanism 3 includes a chuck 301, which serves as a hub for distributing cleaning fluid and connects a turntable 304 and a can lid 1. The bottom of the chuck 301 is fixedly connected to the top right side of the can lid 1. A through hole 302 is provided on the top left side of the chuck 301, and a through hole 303 is provided on the top right side of the can lid 1. The top of the chuck 301 is rotatably connected to the turntable 304, which rotates to switch between different types of cleaning fluid channels. The top of the turntable 304 is connected to multiple connecting pipes 305. The top of the chuck 301 has multiple grooves 306, and each of the multiple grooves 306 is equipped with a positioning component 307.

[0048] The positioning component 307 includes multiple springs 3071. The bottom of each spring 3071 is fixedly connected to the bottom of the inner wall of the corresponding groove 306. The springs 3071 provide thrust to make the ball 3072 embed into the positioning groove 3073. The top of each spring 3071 is fixedly connected to the ball 3072. The bottom of the turntable 304 is provided with multiple positioning grooves 3073. The positions of the multiple positioning grooves 3073 correspond to the positions of the corresponding balls 3072, ensuring that the connecting pipe 305 and the through hole 302 of the chuck 301 are precisely aligned after the turntable 304 rotates.

[0049] Specifically, the rotation of the turntable 304 is connected to the upper part of the chuck 301. Multiple connecting pipes 305 on the top of the turntable 304 are connected to different types of cleaning fluid pipes to achieve classified supply of cleaning fluid. When it is necessary to change the type of cleaning fluid, the turntable 304 is rotated to make the target connecting pipe 305 precisely aligned with the through hole of the chuck 301. The groove 306 and spring 3071 in the chuck 301 push the ball 3072 upward to move and embed it into the corresponding positioning groove 3073 at the bottom of the turntable 304. The precise positioning of the turntable 304 is ensured by mechanical locking, which can ensure that the connecting pipe 305 is completely sealed and connected with the through hole, thereby avoiding cleaning fluid leakage or mixing of different types of cleaning fluid.

[0050] Reference Figure 1 , Figure 2 and Figure 7 The bottom of the can lid 1 is provided with a can body 4. The top of the outer wall of the can body 4 is slidably connected to the inner side of the can lid 1. Multiple support legs 5 are fixedly connected to the bottom of the outer wall of the can body 4. The support legs 5 are used to support the overall equipment. The bottom of the can body 4 is connected to a discharge pipe 6. The outer wall of the discharge pipe 6 is provided with a solenoid valve 7. The solenoid valve 7 is used to control the opening and closing of the discharge pipe 6.

[0051] A drive motor 8 is fixedly connected to the top of the can lid 1. The drive motor 8 is used to drive the stirring rod 9 to rotate and complete the stirring power output. The output end of the drive motor 8 passes through the top of the can lid 1 and is fixedly connected to the stirring rod 9. The stirring rod 9 serves as a connection and drives the scraper 10 and stirring blade 11 to stir the inside of the can 4. Scrapers 10 are fixedly connected to the top left and right sides of the outer wall of the stirring rod 9. The scrapers 10 are attached to the inner wall of the can 4. Multiple stirring blades 11 are fixedly connected to the left and right sides of the outer wall of the stirring rod 9.

[0052] Specifically, the inside of the tank 4 is used to hold raw materials. The entire device is supported by the support legs 5. When the solenoid valve 7 is opened to make the discharge pipe 6 unobstructed, the raw materials or cleaning liquid inside the tank 4 after stirring can be discharged. The drive motor 8 drives the stirring rod 9 to rotate. The stirring rod 9 drives the scraper 10 and stirring blade 11 to stir the raw materials inside the tank 4. At the same time, during cleaning, the scraper 10 can scrape off residual materials by adhering to the inner wall of the tank 4.

[0053] Working Principle: The device uses gravity filling and rotary discharge to replace the traditional suction-type feeding method. When the high-viscosity raw material in the storage shell 202 falls into the metering cylinder 203 by gravity, the filling trough 205 is at the top. The raw material naturally fills the metering cylinder 203 under its own gravity. After the metering cylinder 203 is full, the servo motor 2064 drives the transmission shaft 2061 to rotate through the transmission wheel 2062 and the transmission belt 2063, causing the metering cylinder 203 to rotate 180 degrees, with the filling trough 205 facing downwards. High-viscosity raw materials are rapidly discharged under the combined action of gravity and centrifugal force, ensuring that the raw materials fall into tank 4, avoiding the inability to absorb or the interruption of flow due to fluid resistance. When it is necessary to adjust the proportion, loosen the nut 2074, slide the metering rod 204 to change the internal space of the metering cylinder 203, and then clamp the guide shell 2072 to fix the position by the nut 2074 and the limiting plate 2073, ensuring that the metering rod 204 will not be displaced due to resistance during the filling and discharge of high-viscosity raw materials, and ensuring the consistency of the discharge amount each time.

[0054] Furthermore, the turntable 304 is rotatably connected above the chuck 301, and multiple connecting pipes 305 at the top are respectively connected to different types of cleaning fluid connecting pipes 305 to achieve classified supply of cleaning fluid. When it is necessary to switch the type of cleaning fluid, the turntable 304 is rotated to align the target connecting pipe 305 with the through hole 302 of the chuck 301. The positioning component 307 plays a key role. The spring 3071 in the groove 306 of the chuck 301 pushes the ball 3072 upward and engages it in the corresponding positioning groove 3073 at the bottom of the turntable 304. The turntable 304 is accurately positioned through mechanical engagement to ensure that the connecting pipe 305 and the through hole 302 are completely sealed and connected to avoid cleaning fluid leakage or mixing of different types of cleaning fluid.

[0055] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An automatic juice ingredient proportioning device, comprising a can lid (1), characterized in that: The top of the can lid (1) is provided with a metering mechanism (2) at the front and back, and a cleaning mechanism (3) is provided on the right side of the top of the can lid (1). The cleaning mechanism (3) is used to switch the cleaning liquid for different cleaning processes. The metering mechanism (2) includes two housings (201). The bottoms of the two housings (201) are respectively connected to the front and rear sides of the top of the can lid (1). The tops of the two housings (201) are connected to a storage shell (202). The inside of the two housings (201) is rotatably connected to a metering cylinder (203). The left side of the inside of the two metering cylinders (203) is slidably connected to a metering rod (204). The top of the outer wall of the two metering cylinders (203) is provided with a filling groove (205). The right side of the two housings (201) is provided with a driving assembly (206). The bottom left side of the outer wall of the two metering rods (204) is provided with a locking assembly (207).

2. The automatic fruit juice ingredient proportioning device according to claim 1, characterized in that: The cleaning mechanism (3) includes a chuck (301), the bottom of which is fixedly connected to the top right side of the can lid (1). A through hole (302) is provided on the top left side of the chuck (301), and a through hole (303) is provided on the top right side of the can lid (1). A turntable (304) is rotatably connected to the top of the chuck (301). Multiple connecting pipes (305) are connected to the top of the turntable (304). Multiple grooves (306) are provided on the top of the chuck (301), and positioning components (307) are provided inside the multiple grooves (306).

3. The automatic fruit juice ingredient proportioning device according to claim 1, characterized in that: The drive assembly (206) includes two drive shafts (2061) and a drive belt (2063). The left ends of the two drive shafts (2061) are fixedly connected to the right ends of the corresponding metering cylinders (203). The right ends of the two drive shafts (2061) pass through the right side of the inner wall of the corresponding housing (201) and are fixedly connected to drive wheels (2062). The two drive wheels (2062) are connected by the drive belt (2063). A servo motor (2064) is fixedly connected to the front right side of the top right end of the can lid (1). The output end of the servo motor (2064) is fixedly connected to the right end of the corresponding drive wheel (2062).

4. The automatic fruit juice ingredient proportioning device according to claim 1, characterized in that: The locking assembly (207) includes two screws (2071). The top ends of the two screws (2071) are fixedly connected to the bottom left end of the outer wall of the corresponding metering rod (204). The front and rear ends of the top left side of the can lid (1) are fixedly connected to guide shells (2072). The outer walls of the two screws (2071) are slidably connected to the inner walls of the corresponding guide shells (2072). The bottom ends of the two screws (2071) are fixedly connected to limit plates (2073). Nuts (2074) are threadedly connected to the middle of the outer walls of the two screws (2071).

5. The automatic fruit juice ingredient proportioning device according to claim 2, characterized in that: The positioning component (307) includes multiple springs (3071), the bottom of each spring (3071) is fixedly connected to the bottom of the inner wall of the corresponding groove (306), and the top of each spring (3071) is fixedly connected to a ball (3072). The bottom of the turntable (304) is provided with multiple positioning grooves (3073), and the positions of the multiple positioning grooves (3073) correspond to the positions of the corresponding balls (3072).

6. The automatic fruit juice ingredient proportioning device according to claim 1, characterized in that: The bottom of the can lid (1) is provided with a can body (4). The top of the outer wall of the can body (4) is slidably connected to the inner side of the can lid (1). The bottom of the outer wall of the can body (4) is fixedly connected with multiple support legs (5). The bottom of the can body (4) is connected to a discharge pipe (6). The outer wall of the discharge pipe (6) is provided with a solenoid valve (7).

7. The automatic fruit juice ingredient proportioning device according to claim 1, characterized in that: A drive motor (8) is fixedly connected to the top of the can lid (1). The output end of the drive motor (8) passes through the top of the can lid (1) and is fixedly connected to a stirring rod (9). Scrapers (10) are fixedly connected to the top left and right sides of the outer wall of the stirring rod (9). Multiple stirring blades (11) are fixedly connected to the left and right sides of the outer wall of the stirring rod (9).

8. The automatic fruit juice ingredient proportioning device according to claim 1, characterized in that: The outer wall dimensions of the two metering rods (204) are the same as the inner wall dimensions of the corresponding metering cylinders (203), and the outer wall dimensions of the two metering cylinders (203) are the same as the inner wall dimensions of the corresponding housing (201).

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