CN220876550U - Automatic powder pressing waterway system - Google Patents

Abstract

The embodiment of the utility model discloses an automatic powder pressing waterway system, which comprises a waterway structure and an automatic powder pressing structure, wherein the automatic powder pressing structure comprises a shell, a powder pressing plate and a spring ejection assembly, the shell is provided with a mounting cavity, the spring ejection assembly is arranged in the mounting cavity in a sliding manner along the vertical direction, the powder pressing plate is connected with the lower end of the spring ejection assembly, the waterway structure comprises a hydraulic water box, a water inlet waterway, a water outlet waterway and a three-way valve, the water inlet waterway and the water outlet waterway are connected between the hydraulic water box and the three-way valve, and a second valve port of the three-way valve is communicated with the mounting cavity; when the first valve port of the three-way valve is communicated with the second valve port of the three-way valve, water enters the mounting cavity and generates water pressure, and when the water pressure is greater than the elastic force of the spring ejection assembly, the spring ejection assembly drives the powder pressing plate to move downwards; when the third valve port of the three-way valve is communicated with the second valve port of the three-way valve, water flows back to the hydraulic water box, and when the water pressure is smaller than the elastic force of the spring ejection assembly, the spring ejection assembly drives the powder pressing plate to move upwards.

Description

Automatic powder pressing waterway system

Technical Field

The utility model relates to the technical field of kitchen appliances, in particular to an automatic powder pressing waterway system.

Background

Along with the development of technology, the production of beverages such as coffee and soybean milk is automated, and the production process is divided into two stages, wherein the first stage is a grinding stage of granular substances such as coffee beans and soybeans, and the second stage is a powder pressing action stage, namely, the powder substances obtained by grinding are transferred into a powder cup so as to be convenient for transferring the powder substances.

At present, when kitchen utensils such as coffee machine and soybean milk machine are used, powdery substances are transferred to the powder cup and stacked above the cup opening of the powder cup, and when the powder cup is taken out, part of powdery substances are sprayed out, so that the powdery substances waste during transferring the powder cup is avoided, people are required to manually flatten the powdery substances in the powder cup, and the efficiency is low.

How to achieve automatic compaction is therefore a real focus of attention of the art and the related personnel.

Disclosure of utility model

In view of the above, the utility model provides an automatic powder pressing waterway system for solving the problem that powder substances in a powder cup cannot be automatically pressed in the prior art. In order to achieve one or a part of or all of the purposes or other purposes, the utility model provides an automatic powder pressing waterway system, which comprises a waterway structure and an automatic powder pressing structure, wherein the automatic powder pressing structure comprises a shell, a powder pressing plate and a spring ejection assembly, the shell is provided with a mounting cavity, the spring ejection assembly is slidingly arranged in the mounting cavity along the vertical direction, the powder pressing plate is connected with the lower end of the spring ejection assembly, the waterway structure comprises a hydraulic water box, a water inlet waterway, a water outlet waterway and a three-way valve, one end of the water inlet waterway is communicated with a water outlet of the hydraulic water box, the other end of the water inlet waterway is communicated with a first valve port of the three-way valve, one end of the water outlet waterway is communicated with a third valve port of the three-way valve, the other end of the water outlet waterway is communicated with a water inlet of the hydraulic water box, and a second valve port of the three-way valve is communicated with the mounting cavity;

When the first valve port of the three-way valve is communicated with the second valve port of the three-way valve, the water inlet waterway extracts water in the hydraulic water box to enter the mounting cavity and generates water pressure for the spring ejection assembly, and when the water pressure in the mounting cavity is greater than the elastic force of the spring ejection assembly, the spring ejection assembly drives the powder pressing plate to move downwards;

When the third valve port of the three-way valve is communicated with the second valve port of the three-way valve, water in the installation cavity flows back to the hydraulic water box along the water outlet waterway, and when the water pressure in the installation cavity is smaller than the elastic force of the spring ejection assembly, the spring ejection assembly drives the powder pressing plate to move upwards.

Based on the technical scheme, when the first valve port of the three-way valve is conducted with the second valve port of the three-way valve, water in the water inlet waterway is pumped into the installation cavity, water pressure is generated on the spring ejection assembly, when the water pressure in the installation cavity is greater than the elastic force of the spring ejection assembly, the spring ejection assembly drives the powder pressing plate to move downwards, when the third valve port of the three-way valve is conducted with the second valve port of the three-way valve, the water pressure in the installation cavity enables the water in the installation cavity to flow back to the hydraulic water box along the water outlet waterway, when the water pressure in the installation cavity is less than the elastic force of the spring ejection assembly, the spring ejection assembly drives the powder pressing plate to move upwards, the powder pressing plate returns to the original position, and automatic powder pressing is realized when the cyclic utilization of the water is realized.

Preferably, the spring ejection assembly comprises a connecting rod, a spring and a piston seat, wherein one end of the connecting rod extends out of the mounting cavity to be connected with the powder pressing plate, the other end of the connecting rod is connected with the piston seat, the piston seat is separated into a first cavity and a second cavity by abutting and separating the cavity wall of the mounting cavity, the piston seat can slide along the vertical direction of the cavity wall of the mounting cavity, the spring is sleeved on the connecting rod, one end of the spring is connected with the connecting rod, and the other end of the spring is connected with the bottom wall of the second cavity.

Based on the technical scheme, when the water pressure in the first cavity is larger than the elastic force of the spring, the spring contracts, the connecting rod and the powder pressing plate move downwards, the water pressure in the first cavity enables the water in the installation cavity to flow back into the hydraulic water box along the water outlet waterway, and when the pressure in the installation cavity is smaller than the elastic force of the spring, the spring moves upwards with the powder pressing plate to return to the original position.

Preferably, the piston seat is provided with a containing cavity with an opening at one end, the shell is provided with at least one water inlet channel, the water inlet end of the at least one water inlet channel is communicated with the second valve port of the three-way valve, the water outlet end of the at least one water inlet channel is communicated with the first cavity, and the containing cavity is positioned in the first cavity.

Based on the technical scheme, at least one water inlet channel is formed in the shell, the water inlet end of the water inlet channel is communicated with the second valve port of the three-way valve, and the water outlet end of the water inlet channel is communicated with the first cavity, so that water can enter and exit conveniently.

Preferably, a circle of accommodating groove is formed in the peripheral wall of the piston seat, and the spring ejection assembly further comprises a sealing sleeve which is arranged in the accommodating groove in a sealing abutting mode with the cavity wall of the mounting cavity.

Based on the technical scheme, the accommodating groove is formed in the peripheral wall of the piston seat, and the sealing sleeve is arranged in the accommodating groove so as to block water in the accommodating cavity and prevent water from flowing out through the gap.

Preferably, the water inlet waterway comprises a first waterway pipeline, an extraction water pump and a pressure transmitter, wherein a water inlet of the first waterway pipeline is communicated with a water outlet of the hydraulic water box, a water outlet of the first waterway pipeline is communicated with a first valve port of the three-way valve, the extraction water pump is arranged on the first waterway pipeline, and the pressure transmitter is arranged on the first waterway pipeline and between the extraction water pump and the first valve port of the three-way valve.

Based on the technical scheme, under the pressure effect of the extraction water pump, water in the hydraulic water box enters into the three-way valve through the first waterway pipeline to realize water circulation, and the pressure transmitter is used for detecting the water pressure in the first waterway pipeline, so that the water pressure provided by the extraction water pump is greater than the spring force, and automatic powder pressing can be realized.

Preferably, the waterway structure comprises a second waterway pipeline, a water inlet of the second waterway pipeline is communicated with a second valve port of the three-way valve, and a water outlet of the second waterway pipeline is communicated with a water inlet end of at least one water inlet channel.

Based on the technical scheme, the second valve port of the three-way valve is communicated with the water inlet channel through the second waterway pipeline, so that water can circulate conveniently.

Preferably, the water outlet waterway is a third waterway pipeline, a water inlet of the third waterway pipeline is communicated with a third valve opening of the three-way valve, and a water outlet of the third waterway pipeline is communicated with a water inlet of the hydraulic water box.

Based on the technical scheme, the water inlet of the third waterway pipeline is communicated with the third valve, and the water outlet of the third waterway pipeline is communicated with the water inlet of the hydraulic water box, so that water in the accommodating cavity flows back into the hydraulic water box.

Preferably, the water way structure further comprises a fourth water way pipeline, a water inlet of the fourth water way pipeline is communicated with the second water way pipeline, a water outlet of the fourth water way pipeline is communicated with the first water way pipeline and is positioned between the extraction water pump and the water outlet of the hydraulic water box, and a safety valve is arranged at the water inlet of the fourth water way pipeline.

Based on above-mentioned technical scheme, when water pressure is too high, the relief valve is opened, holds the water in the chamber and discharges through relief valve and fourth water route pipeline, avoids when water pressure is too big, and automatic powder pressing structure receives the damage.

Preferably, the waterway structure further comprises a water storage disc, the volume of the water storage disc is larger than that of the hydraulic water box, the hydraulic water box is arranged in the water storage disc, and the water storage disc is used for bearing water leaked from the hydraulic water box.

Based on the technical scheme, the hydraulic water box is used for bearing water, and the water storage disc is arranged below the hydraulic water box, so that water leaked from the hydraulic water box is stored in the water storage disc, and water leaked from the hydraulic water box is prevented from flowing to other positions.

Preferably, the water storage disc is provided with a pressure relief hole, and the pressure relief hole is used for relieving the pressure in the water storage disc.

Based on the technical scheme, the pressure relief hole is formed in the water storage disc, after the powder pressing of the powder pressing plate is completed, the water pressure in the water storage disc is discharged through the pressure relief hole, after the water pressure is discharged, the water pressure in the containing cavity extrudes the water in the containing cavity to form a hydraulic water box, the elastic force of the spring is larger than the water pressure in the containing cavity, and the spring moves upwards to return to the original position.

The implementation of the embodiment of the utility model has the following beneficial effects:

After the automatic powder pressing waterway system is adopted, when the first valve port of the three-way valve is communicated with the second valve port of the three-way valve, the water inlet waterway extracts water in the hydraulic water box to enter the mounting cavity and generates water pressure for the spring ejection assembly, when the water pressure in the mounting cavity is greater than the elastic force of the spring ejection assembly, the spring ejection assembly drives the powder pressing plate to move downwards, when the third valve port of the three-way valve is communicated with the second valve port of the three-way valve, the water pressure in the mounting cavity enables the water in the mounting cavity to flow back to the hydraulic water box along the water outlet waterway, when the water pressure in the mounting cavity is less than the elastic force of the spring ejection assembly, the spring ejection assembly drives the powder pressing plate to move upwards, the powder pressing plate is restored to the original position, the automatic powder pressing is realized when the cyclic utilization of water is realized, and the problem that the powder pressing of the powder material in the powder cup cannot be realized automatically in the prior art is solved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Wherein: FIG. 1 is a schematic diagram of the overall structure of an automatic powder compacting waterway system in one embodiment;

Fig. 2 is a schematic diagram of the overall structure of an automatic powder pressing structure in an automatic powder pressing waterway system according to an embodiment.

Reference numerals illustrate: 1. a waterway structure; 11. a hydraulic water box; 12. a water inlet waterway; 121. a first waterway pipe; 122. an extraction water pump; 123. a pressure transmitter; 124. a converging three-way valve; 1241. a first converging water inlet; 1242. a second converging water inlet; 1243. a converging water outlet; 13. a water outlet waterway; 131. a third waterway pipeline; 14. a three-way valve; 141. a first valve port; 142. a second valve port; 143. a third valve port; 15. a water storage tray; 151. a pressure relief hole; 16. a safety valve; 17. a second waterway pipe; 171. a fourth waterway pipeline; 172. a fifth waterway pipeline; 173. a sixth waterway pipeline; 174. a first safety valve; 18. a water tank; 181. a flow meter; 19. an extraction boiler; 2. an automatic powder pressing structure; 21. a housing; 211. a mounting cavity; 2111. a first chamber; 2112. a second chamber; 212. a water inlet channel; 213. a receiving chamber; 22. a spring ejection assembly; 221. a connecting rod; 222. a spring; 223. a piston seat; 224. sealing sleeve; 225. a receiving groove; 23. and (3) a powder pressing plate.

Detailed Description

In order that the application may be readily understood, a more complete description of the application will be rendered by reference to the appended drawings. Embodiments of the application are illustrated in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

It will be understood that the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," and/or the like, specify the presence of stated features, integers, steps, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only. In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations. Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "disposed," "configured," "connected," "coupled," and the like are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1, an embodiment of the present utility model provides an automatic powder pressing waterway system, including a waterway structure 1 and an automatic powder pressing structure 2, the waterway structure 1 includes a hydraulic water box 11, a water inlet waterway 12, a water outlet waterway 13 and a three-way valve 14, a water inlet end of the water inlet waterway 12 is communicated with the hydraulic water box 11, a water outlet end of the water inlet waterway 12 is communicated with a first valve port 141 of the three-way valve 14, a water inlet end of the water outlet waterway 13 is communicated with a third valve port 143 of the three-way valve 14, a water outlet end of the water outlet waterway 13 is communicated with a water inlet of the hydraulic water box 11, a second valve port 142 of the three-way valve 14 is communicated with the automatic powder pressing structure 2, so that water between the hydraulic water box 11 and the automatic powder pressing structure 2 can circulate.

Referring to fig. 2, the automatic powder pressing structure 2 comprises a housing 21, a spring ejection assembly 22 and a powder pressing plate 23, wherein the housing 21 is provided with a mounting cavity 211, the spring ejection assembly 22 is slidably arranged in the mounting cavity 211 along the vertical direction, the powder pressing plate 23 is connected with the lower end of the spring ejection assembly 22, the powder pressing plate 23 is used for pressing powder, when a first valve port 141 of the three-way valve 14 is communicated with a second valve port 142 of the three-way valve 14, a water inlet waterway 12 extracts water in the hydraulic water box 11 to enter the mounting cavity 211 and generates water pressure for the spring ejection assembly 22, and when the water pressure in the mounting cavity 211 is greater than the elastic force of the spring ejection assembly 22, the spring ejection assembly 22 drives the powder pressing plate 23 to move downwards; when the third valve port 143 of the three-way valve 14 is communicated with the second valve port 142 of the three-way valve 14, the water pressure in the installation cavity 211 enables the water in the installation cavity 211 to flow back to the hydraulic water box 11 along the water outlet channel 13, and when the water pressure in the installation cavity 211 is smaller than the elastic force of the spring ejection assembly 22, the spring ejection assembly 22 drives the powder pressing plate 23 to move upwards.

Referring to fig. 2, the spring ejection assembly 22 includes a connection rod 221, a spring 222, and a piston seat 223, one end of the connection rod 221 extends out of the installation cavity 211 to be connected with the powder pressing plate 23, the other end of the connection rod 221 is connected with the piston seat 223, the piston seat 223 is abutted against the cavity wall of the installation cavity 211 to divide the installation cavity 211 into a first cavity 2111 and a second cavity 2112, the piston seat 223 can slide along the cavity wall of the installation cavity 211 in the vertical direction, the spring 222 is sleeved on the connection rod 221, the upper end of the spring 222 is connected with the connection rod 221, the lower end of the spring 222 is connected with the bottom wall of the second cavity 2112, the upper end of the piston seat 223 is provided with a containing cavity 213 with one end opened, and the containing cavity 213 is located in the first cavity 2111.

Referring to fig. 2, a circle of accommodating groove 225 is formed on the outer peripheral wall of the piston seat 223, the spring ejection assembly 22 further includes a sealing sleeve 224, and the sealing sleeve 224 is disposed in the accommodating groove 225 and is in sealing abutment with the cavity wall of the mounting cavity 211, so as to block water in the accommodating cavity 213.

Referring to fig. 2, the housing 21 is provided with at least one water inlet channel 212, a water inlet of the at least one water inlet channel 212 is communicated with the second valve port 142 of the three-way valve 14, a water outlet of the at least one water inlet channel 212 is communicated with the accommodating cavity 213, in this embodiment, the number of the water inlet channels 212 is two, when the water pressure in the first cavity 2111 is greater than the elastic force of the spring 222, the piston seat 223 pushes the connecting rod 221 and the powder pressing plate 23 to move downwards, so that the powder pressing plate 23 is attached to the cup mouth of the powder cup, automatic powder pressing is realized, when no external pressure exists, the water pressure in the first cavity 2111 returns the water pressure to the hydraulic water box 11, and the powder pressing plate 23 returns to the original position under the elastic action of the spring 222.

Referring to fig. 1, the water intake waterway 12 includes a first waterway pipe 121, an extraction water pump 122, a pressure transmitter 123 and a converging three-way valve 124, a water inlet of the first waterway pipe 121 is communicated with a water outlet of the hydraulic water box 11, a water outlet of the first waterway pipe 121 is communicated with a first valve port 141, the converging three-way valve 124 is arranged on the first waterway pipe 121, and the converging three-way valve 124 is arranged before the extraction water pump 122, the extraction water pump 122 is arranged on the first waterway pipe 121, the pressure transmitter 123 is arranged on the first waterway pipe 121 and is positioned between the extraction water pump 122 and the first valve port 141 of the three-way valve 14, water in the hydraulic water box 11 flows to the three-way valve 14 through the first waterway pipe 121 under the pressure of the extraction water pump 122, and the pressure transmitter 123 is used for detecting the water pressure in the first waterway pipe 121, so that the water pressure provided by the extraction water pump 122 is larger than the spring 222 elasticity, and automatic powder pressing is ensured.

Referring to fig. 1, the merging three-way valve 124 includes a first merging water inlet 1241, a second merging water inlet 1242, and a merging water outlet 1243, and water in the first waterway pipe 121 enters through the first merging water inlet 1241 and flows through the extraction water pump 122 through the merging water outlet 1243.

Referring to fig. 1, the water outlet channel 13 is a third water channel pipeline 131, a water inlet of the third water channel pipeline 131 is communicated with the third valve 143, and a water outlet of the third water channel pipeline 131 is communicated with a water inlet of the hydraulic water box 11, so that water in the containing cavity 213 flows back into the hydraulic water box 11.

Referring to fig. 1, the waterway structure 1 further includes a second waterway pipe 17, a water inlet of the second waterway pipe 17 is communicated with the second valve port 142 of the three-way valve 14, and a water outlet of the second waterway pipe 17 is communicated with the water inlet channel 212 so as to facilitate water in the hydraulic water tank 11 to flow into the accommodating cavity 213.

Referring to fig. 1, the waterway structure 1 further includes a fourth waterway pipeline 171, a water inlet of the fourth waterway pipeline 171 is communicated with the second waterway pipeline 17, a water outlet of the fourth waterway pipeline 171 is communicated with the first waterway pipeline 121 and is positioned between the extraction water pump 122 and a water outlet of the hydraulic water box 11, a safety valve 16 is arranged on the fourth waterway pipeline 171, when the water pressure is too high, the safety valve 16 is opened, water in the accommodating cavity 213 is discharged through the safety valve 16 and the fourth waterway pipeline 171, and the automatic powder pressing structure 2 is prevented from being damaged when the water pressure is too high.

Referring to fig. 1, the waterway structure 1 further includes a water storage disc 15, the area of the water storage disc 15 is larger than that of the hydraulic water box 11, the hydraulic water box 11 is installed in the water storage disc 15, so that water exposed in the hydraulic water box 11 is stored in the water storage disc 15, a pressure release hole 151 is formed in the top of the water storage disc 15, after the powder pressing of the powder pressing plate 23 is completed, water pressure in the water storage disc 15 is released through the pressure release hole 151, after the water pressure is released, water in the first cavity 2111 flows back to the hydraulic water box 11 through the water pressure in the first cavity 2111, and in other embodiments, the water pressure in the third waterway pipeline 131 is discharged through the pressure release hole 151, so that the water in the first cavity 2111 flows back to the hydraulic water box 11.

Referring to fig. 1, the waterway structure 1 further includes a fifth waterway pipe 172, a water tank 18, a flowmeter 181 and an extraction boiler 19, the flowmeter 181 is disposed on the water tank 18 to monitor the water yield of the water tank 18, a water inlet of the fifth waterway pipe 172 is communicated with a water outlet of the water tank 18, a water outlet of the fifth waterway pipe 172 is communicated with a second confluence water inlet 1242, and flows out through the confluence water outlet 1243 and enters the extraction boiler 19, and cold water flowing out of the water tank 18 is heated by the extraction boiler 19 to facilitate brewing of the powdery material.

Referring to fig. 1, the waterway structure 1 further includes a sixth waterway pipeline 173, a water inlet of the sixth waterway pipeline 173 is communicated with the extraction water pump 122, a water outlet of the sixth waterway pipeline 173 is communicated with the fifth waterway pipeline 172, a first safety valve 174 is disposed at the water inlet of the sixth waterway pipeline 173, and when the water pressure of the extraction water pump 122 is too high, the first safety valve 174 is opened to enable water in the extraction water pump 122 to flow out into the sixth waterway pipeline 173.

The foregoing disclosure is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.

Claims (10)

1. An automatic powder pressing waterway system, which is characterized in that: the automatic powder pressing device comprises a waterway structure (1) and an automatic powder pressing structure (2), wherein the automatic powder pressing structure (2) comprises a shell (21), a powder pressing plate (23) and a spring ejection assembly (22), a mounting cavity (211) is formed in the shell (21), the spring ejection assembly (22) is slidably arranged in the mounting cavity (211) along the vertical direction, the powder pressing plate (23) is connected with the lower end of the spring ejection assembly (22), the waterway structure (1) comprises a hydraulic water box (11), a water inlet waterway (12), a water outlet waterway (13) and a three-way valve (14), one end of the water inlet waterway (12) is communicated with a water outlet of the hydraulic water box (11), the other end of the water inlet waterway (12) is communicated with a first valve port (141) of the three-way valve (14), one end of the water outlet waterway (13) is communicated with a third valve port (143) of the three-way valve (14), the other end of the water outlet waterway (13) is communicated with a water inlet of the hydraulic water box (11), and the three-way valve (14) is installed in the three-way valve (142);

When the first valve port (141) of the three-way valve (14) is communicated with the second valve port (142) of the three-way valve (14), the water inlet waterway (12) extracts water in the hydraulic water box (11) to enter the mounting cavity (211) and generates water pressure for the spring ejection assembly (22), and when the water pressure in the mounting cavity (211) is larger than the elastic force of the spring ejection assembly (22), the spring ejection assembly (22) drives the powder pressing plate (23) to move downwards;

When the third valve port (143) of the three-way valve (14) is communicated with the second valve port (142) of the three-way valve (14), water in the installation cavity (211) flows back to the hydraulic water box (11) along the water outlet waterway (13), and when the water pressure in the installation cavity (211) is smaller than the elastic force of the spring ejection assembly (22), the spring ejection assembly (22) drives the powder pressing plate (23) to move upwards.

2. An automatic powder compacting waterway system according to claim 1, wherein: the spring ejection assembly (22) comprises a connecting rod (221), a spring (222) and a piston seat (223), one end of the connecting rod (221) extends out of the mounting cavity (211) to be connected with the powder pressing plate (23), the other end of the connecting rod (221) is connected with the piston seat (223), the piston seat (223) is separated into a first cavity (2111) and a second cavity (2112) in a sealing and abutting mode with the cavity wall of the mounting cavity (211), the piston seat (223) can slide along the vertical direction of the cavity wall of the mounting cavity (211), the spring (222) is sleeved on the connecting rod (221), one end of the spring (222) is connected with the connecting rod (221), and the other end of the spring (222) is connected with the bottom wall of the second cavity (2112).

3. An automatic powder compacting waterway system as set forth in claim 2, wherein: the piston seat (223) is provided with a containing cavity (214) with an opening, the shell (21) is provided with at least one water inlet channel (212), the water inlet end of the water inlet channel (212) is communicated with the second valve port (142) of the three-way valve (14), the water outlet end of the water inlet channel (212) is communicated with the first cavity (2111), and the containing cavity (214) is positioned in the first cavity (2111).

4. An automatic powder compacting waterway system according to claim 3, wherein: a circle of accommodating groove (225) is formed in the peripheral wall of the piston seat (223), the spring ejection assembly (22) further comprises a sealing sleeve (224), and the sealing sleeve (224) is arranged in the accommodating groove (225) and is in sealing butt joint with the cavity wall of the mounting cavity (211).

5. An automatic powder compacting waterway system according to claim 4, wherein: the utility model discloses a water inlet waterway (12) including first waterway pipeline (121), extraction water pump (122) and pressure transmitter (123), the water inlet of first waterway pipeline (121) with the delivery port of hydraulic pressure water box (11) is linked together, the delivery port of first waterway pipeline (121) with first valve port (141) of three-way valve (14) are linked together, extraction water pump (122) set up on first waterway pipeline (121), pressure transmitter (123) set up on first waterway pipeline (121), and be in between extraction water pump (122) and first valve port (141) of three-way valve (14).

6. An automatic powder compacting waterway system according to claim 5, wherein: the waterway structure comprises a second waterway pipeline (17), a water inlet of the second waterway pipeline (17) is communicated with a second valve port (142) of the three-way valve (14), and a water outlet of the second waterway pipeline (17) is communicated with a water inlet end of at least one water inlet channel (212).

7. An automatic powder compacting waterway system according to claim 1, wherein: the water outlet waterway (13) is a third waterway pipeline (131), a water inlet of the third waterway pipeline (131) is communicated with a third valve port (143) of the three-way valve (14), and a water outlet of the third waterway pipeline (131) is communicated with a water inlet of the hydraulic water box (11).

8. An automatic powder compacting waterway system according to claim 6, wherein: the water channel structure (1) further comprises a fourth water channel pipeline (171), a water inlet of the fourth water channel pipeline (171) is communicated with the second water channel pipeline (17), a water outlet of the fourth water channel pipeline (171) is communicated with the first water channel pipeline (121) and is positioned between the extraction water pump (122) and a water outlet of the hydraulic water box (11), and a safety valve (16) is arranged on the fourth water channel pipeline (171).

9. An automatic powder compacting waterway system according to claim 7, wherein: the waterway structure (1) further comprises a water storage disc (15), the volume of the water storage disc (15) is larger than that of the hydraulic water box (11), the hydraulic water box (11) is arranged in the Chu Shuipan (15), and the water storage disc (15) is used for bearing water leaked from the hydraulic water box (11).

10. An automatic powder compacting waterway system as set forth in claim 9, wherein: the water storage disc (15) is provided with a pressure relief hole (151), and the pressure relief hole (151) is used for relieving the pressure in the water storage disc (15).