Charging barrel loading device of ultrahigh pressure treatment equipment and operation mode

Abstract

The invention belongs to the technical field of ultrahigh-pressure equipment, and relates to a charging barrel loading device for ultrahigh-pressure treatment equipment, which is characterized in that a material returning frame and a working cavity are arranged side by side, when the working cavity is positioned at a loading position, the working cavity, a feeding frame and a discharging frame are centered to form a charging barrel conveying line, and when the working cavity is positioned at a boosting position, the charging barrel conveying line is centered; and the feeding frame, the discharging frame and the returning frame are centered to form a charging barrel conveying line. And an annular rotation mode of the charging barrel is changed into a linear rotation mode, so that the conveying and transferring actions of the charging barrel are smoother, quicker and more convenient. And moreover, a working cavity single-charging-barrel working mode is adopted, the cavity interior volume of the working cavity of the ultrahigh-pressure treatment equipment is fully utilized, the utilization rate is greatly improved, and the income is increased by about 10% when bottled materials are treated.

Description

Technical Field

[0001] The present invention belongs to the technical field of ultra-high pressure equipment, and particularly relates to a barrel loading device and an operation mode of an ultra-high pressure treatment equipment. Background Art

[0002] When the ultra-high pressure treatment equipment processes materials, it is necessary to load the materials into the barrel, and then push the loaded barrel into the working chamber for sterilization treatment. Generally, the larger the processing capacity of the ultra-high pressure treatment equipment, the longer the length of the working chamber. Usually, N barrels (N≥2) are placed in a group in the working chamber to complete one working process.

[0003] The existing loading device of the ultra-high pressure treatment equipment includes three parts: a feeding rack, a discharging rack and a material returning rack. A group of multiple barrels need to be loaded on the feeding rack, and then conveyed to the working chamber, while pushing out the processed material barrels in the working chamber to the discharging rack. After the discharging work is completed on the discharging rack, the empty barrels are then sequentially transferred from the discharging rack to the material returning rack, and then from the material returning rack to the feeding rack. The discharging rack, the working chamber (in the loading position), and the discharging rack are located on the same conveyor line, while the material returning rack is provided with a separate conveyor line, forming an overall circular barrel sequential conveying line. These conveying and transfer actions are generally carried out manually or by a manipulator.

[0004] The existing loading device of the ultra-high pressure treatment equipment has the following several disadvantages: A. Multiple barrels waste and occupy the volume inside the working chamber of the ultra-high pressure treatment equipment (1. It is difficult for the length of each barrel to be an integer multiple of the height of the bottle, and there is remaining space inside each barrel. When multiple barrels accumulate, the wasted space is very large; 2. Multiple barrels are grouped together, and the lids and bottoms of each barrel occupy space; 3. The gaps between barrels occupy space).

[0005] B. Each barrel has two end faces, resulting in high manufacturing costs.

[0006] C. The floor area of the entire loading device is relatively large, and the actions of the barrels from the discharging rack to the material returning rack and from the material returning rack to the feeding rack are also very troublesome, requiring special robots to complete, resulting in high manufacturing costs. Summary of the Invention

[0007] To solve the above technical problems, the present invention proposes a barrel loading device and an operation mode of an ultra-high pressure treatment equipment. The present invention changes the circular rotation mode of the barrel to a linear rotation mode, making the conveying and transfer actions of the barrel more smooth, fast and convenient. Moreover, the single-barrel working mode is adopted to make full use of the volume inside the working chamber of the ultra-high pressure treatment equipment, greatly improving the utilization rate by 10% and saving costs.

[0008] The technical solution protected by the present invention is as follows: A barrel loading device for a super high pressure treatment device, comprising a working chamber, a working chamber moving mechanism is provided below the working chamber, and the working chamber moving mechanism drives the working chamber to reciprocate between a loading position and a pressure boosting position. It further includes a discharging rack, a feeding rack and a material returning rack. The discharging rack and the feeding rack are respectively fixedly arranged at both ends of the working chamber, and the material returning rack is arranged side by side with the working chamber; When the working chamber is in the loading position, the working chamber, the feeding rack and the discharging rack are aligned to form a barrel conveying line. When the working chamber is in the pressure boosting position, the feeding rack, the discharging rack and the material returning rack are aligned to form a barrel conveying line.

[0009] Further, the material returning rack is fixedly connected to the working chamber moving mechanism, and the working chamber moving mechanism drives the working chamber and the material returning rack to move synchronously.

[0010] Further, the number of barrels in the working chamber is 1.

[0011] Further, a pushing mechanism is arranged on the feeding rack, and a tipping mechanism is arranged on the discharging rack.

[0012] Further, the length of the barrel ≤ the length of the enclosed cavity of the working chamber.

[0013] Another technical solution protected by the present invention: An operation mode of a barrel loading device for a super high pressure treatment device. This device uses three barrels to work in a cycle. The specific cycle process is as follows: S1. In the initial state, the working chamber is moved to the loading position. At this time, the working chamber is aligned with the feeding rack and the discharging rack. Barrel A is placed on the feeding rack for loading, barrel B is placed on the material returning rack, and barrel C is placed on the discharging rack; S2. After barrel A is loaded, it is pushed into the working chamber from the feeding rack. Then, after the working chamber is moved to the pressure boosting position, it starts to work. At this time, the feeding rack, the discharging rack and the material returning rack are aligned. Barrel B is moved from the material returning rack to the feeding rack to prepare for loading. Subsequently, the discharged barrel C is moved from the discharging rack to the material returning rack; S3. After the working chamber completes pressure boosting, pressure maintaining and pressure releasing, the working chamber is moved out to the loading position. At this time, the working chamber is aligned with the feeding rack and the discharging rack. The loaded barrel B is pushed into the working chamber, and at the same time, barrel B pushes barrel A into the discharging rack, and barrel A unloads on the discharging rack; S4. After the working chamber is moved to the pressure boosting position again, barrel C is pushed from the material returning rack to the feeding rack for loading, and then the empty barrel A after unloading is moved from the discharging rack to the material returning rack; S5. After the next pressure boosting, pressure maintaining and pressure releasing, the working chamber is moved out, and the next cycle is repeated.

[0014] Another solution protected by the present invention: An operation mode of a barrel loading device of a ultra-high pressure processing equipment. This device uses two barrels to work in a cycle. The specific cycle process is as follows: S1. In the initial state, the working chamber moves to the loading position. At this time, the working chamber is centered with the feeding rack and the discharging rack. Barrel A is placed on the feeding rack for loading, and barrel B is placed on the return rack; S2. After barrel A is loaded, it is pushed into the working chamber from the feeding rack. Then the working chamber moves to the pressure boosting position and starts to work. At this time, the feeding rack, the discharging rack and the return rack are centered. Move barrel B from the return rack to the feeding rack to prepare for loading; S3. After the working chamber completes pressure boosting, pressure maintaining and pressure releasing, the working chamber moves out to the loading position. At this time, the working chamber is centered with the feeding rack and the discharging rack. The loaded barrel B is pushed into the working chamber, and at the same time barrel B pushes barrel A into the discharging rack. Barrel A unloads on the discharging rack; S4. After the working chamber moves to the pressure boosting position again, push the unloaded barrel A from the return rack to the feeding rack for loading; S5. After the next pressure boosting, pressure maintaining and pressure releasing, the working chamber moves out and repeats the next cycle.

[0015] The present invention has the following advantages compared with the prior art: 1. The present invention changes the annular rotation mode of the barrel cycle into a linear rotation mode, which can reduce the floor area of the entire barrel loading device, eliminate the manual handling or robotic arm grasping and transferring process from the discharging rack to the return rack, and make the process of the barrel from the discharging rack to the return rack smoother, faster and more convenient.

[0016] 2. Fix the return rack and the working chamber to be connected, so that they move synchronously, make full use of the original working chamber moving mechanism, do not need to provide additional power, and can also ensure the position accuracy of the return rack.

[0017] 3. In the ultra-high pressure working chamber of the present invention, only a single barrel is placed and the volume of the single barrel almost fills the entire cavity volume of the working chamber. This single-barrel form can make full use of the cavity volume of the working chamber of the ultra-high pressure processing equipment, greatly improve the utilization rate, and increase the income by about 10% when processing bottled materials.

[0018] 4. For large ultra-high pressure equipment, it is very difficult to realize single-barrel operation with the existing annular rotation mode of the barrel, because the barrel is long and large in volume, and the transfer from the discharging rack to the return rack is almost impossible. However, after adopting the linear rotation mode of the present invention, this problem does not need to be considered. The barrel does not need to be transferred, and the entire process of the barrel is a linear motion without transfer. It can realize automated production by docking the production line at the discharging end and the feeding end respectively. Description of the Drawings

[0019] The present invention will be further described in detail below with reference to the accompanying drawings.

[0020] Figure 1 It is a schematic structural diagram of the barrel loading device of the present invention when in the pressure boosting position.

[0021] Figure 2 is Figure 1 schematic side view structure diagram.

[0022] Figure 3 is Figure 1 schematic top view structure diagram.

[0023] Figure 4 is the initial state diagram during the three-barrel cycle.

[0024] Figure 5 is the position schematic diagram of the three barrels when the working chamber is in the pressure boosting position for the first time during the three-barrel cycle.

[0025] Figure 6 is the position schematic diagram of the three barrels when the working chamber is in the loading position during the three-barrel cycle.

[0026] Figure 7 is the position schematic diagram of the three barrels when the working chamber is in the pressure boosting position again during the three-barrel cycle.

[0027] In the figure, 1 is the working chamber, 2 is the working chamber moving mechanism, 3 is the barrel, 31 is barrel A, 32 is barrel B, 33 is barrel C, 4 is the discharge rack, 5 is the return material rack, 6 is the feed rack, 7 is the pusher mechanism, 8 is the tilting mechanism, 9 is the barrel feeding mechanism, 10 is the support leg, and 11 is the roller. Specific Embodiments

[0028] To make the objectives, features, and advantages of the present invention clearly understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0029] As Figure 1 shown, a barrel loading device for a ultra-high pressure treatment equipment includes a working chamber 1, and a working chamber moving mechanism 2 is provided below the working chamber 1. The working chamber moving mechanism 2 drives the working chamber 1 to reciprocate between the loading position and the pressure boosting position. The working chamber moving mechanism 2 belongs to the prior art and will not be elaborated here.

[0030] Based on the existing working chamber 1 and the working chamber moving mechanism 2, in order to realize the loading and unloading of a single long barrel 3, the rotation mode of the barrel 3 is optimized, the transportation and transfer process of the barrel 3 is simplified, and the production efficiency is improved. An unloading rack 4 and a feeding rack 6 are respectively arranged at both ends of the working chamber 1, and the return rack 5 is arranged side by side with the working chamber 1. When the working chamber 1 is in the loading position, the working chamber 1, the feeding rack 6 and the unloading rack 4 are aligned to form a linear barrel 3 conveying line. When the working chamber 1 is in the pressure boosting position, the feeding rack 6, the unloading rack 4 and the return rack 5 are aligned to form a linear barrel 3 conveying line.

[0031] In addition, the return rack 5 can be fixedly connected to the working chamber moving mechanism 2. The working chamber moving mechanism 2 drives the working chamber 1 and the return rack 5 to move synchronously, making full use of the original working chamber moving mechanism 2 without the need to provide additional power, and also ensuring the position accuracy of the unloading rack 4.

[0032] The barrel 3 loading device of the present invention adopts a linear conveying line. When the working chamber 1 is in the loading position, the working chamber 1, the feeding rack 6 and the unloading rack 4 form a barrel 3 conveying line. Workers or a pushing mechanism 7 can move the barrel 3 from the feeding rack 6, and then the working chamber moving mechanism 2 drives the working chamber 1 to enter the pressure boosting position for pressure boosting, pressure maintaining and pressure releasing actions. After the above actions are completed, the working chamber 1 returns to the loading position again, and the processed barrel 3 is pushed from the working chamber 1 onto the unloading rack 4. After unloading is completed on the unloading rack 4, the working chamber 1 is adjusted to the pressure boosting position again, and the feeding rack 6, the unloading rack 4 and the return rack 5 are aligned, so that the barrel 3 can be directly retracted from the unloading rack 4 to the feeding rack 6.

[0033] The above process is the working positions and actions that a single barrel 3 experiences in turn during one cycle. It can be seen that the entire process of the barrel 3 is in linear motion, and there is no need to carry and transfer the barrel 3 from the unloading rack 4 to the return rack 5 as in the existing circular rotation mode. In this way, even when the length of a single barrel 3 is relatively long and the volume is relatively large, it can be transported quickly and conveniently. Therefore, the barrel 3 loading device of the present invention makes the scheme of a single large barrel 3 a reality.

[0034] The scheme of a single large barrel 3 requires that when the working chamber 1 is boosting pressure and maintaining pressure, there is only one barrel 3 in the working chamber 1, but the length of this barrel 3 should be close to the length of the entire closed cavity of the working chamber 1 (i.e., the effective distance between the two plugs of the working chamber 1). Both ends of the single barrel 3 are closed or have an openable cover / bottom, and the side of the barrel 3 is open. The scheme of a single large barrel 3 reduces the space waste inside and between the barrels 3, can make full use of the cavity volume of the working chamber 1 of the ultra-high pressure treatment equipment, greatly improves the utilization rate, saves costs and improves efficiency.

[0035] In the above embodiments, only the distribution positions of the working chamber 1, the feeding rack 6, the discharging rack 4, and the material returning rack 5 are defined so that a linear conveying line can be formed when feeding into the feeding cylinder 3 and the material returning cylinder 3. However, the specific structures of the feeding rack 6, the discharging rack 4, and the material returning rack 5 are not defined. For better understanding by those skilled in the art, these structures will be briefly described in this embodiment.

[0036] Both the feeding rack 6 and the discharging rack 4 are composed of tracks and a plurality of support legs 10. The plurality of support legs 10 are used to support the tracks. The tracks are composed of two rows of roller groups 11. The roller groups 11 are inclined. The cylinder 3 is placed on the rollers 11 and the cylinder 3 can slide along the rollers 11. The tracks can reduce the friction between the cylinder 3 and the tracks, facilitating the operation of the cylinder 3 on the tracks. The sliding of the cylinder 3 on the rollers 11 can be manually pushed by workers or a material pushing mechanism 7 can be used. The material returning rack 5 can adopt tracks with the same structure as those of the feeding rack 6 and the discharging rack 4.

[0037] The material pushing mechanism 7 can push the cylinder 3 filled with materials into the working chamber 1. For the structure of the material pushing structure, existing material pushing structures can be adopted. The applicant has disclosed the structure of a material pushing trolley in the utility model with the patent number: CN202122481802.7 and the patent name: A material pushing trolley with an automatically liftable material pushing rod. This material pushing trolley can be fully applied to the structure of the present utility model. Of course, the structure of the material pushing trolley is not limited to this, and the structures of other material pushing trolleys can also be applied in the present utility model as long as the cylinder 3 can be pushed into the working chamber 1.

[0038] On one side of the discharging rack 4, the method of manual pouring can be adopted, but in this case, the efficiency is relatively low. Therefore, a tilting mechanism 8 can be set on one side of the discharging rack 4 to complete the discharging process of the cylinder 3 by using the tilting mechanism 8. The tilting mechanism 8 can adopt existing technologies, such as using a cylinder to drive a flipping frame or a hydraulic tipping mechanism.

[0039] For the left and right movement of the cylinder 3 on the tracks, it can be manually pushed or realized by a material feeding cylinder mechanism 9. The material feeding cylinder mechanism 9 is arranged above the cylinder 3 and can drive the cylinder 3 to move left and right. The material feeding cylinder mechanism 9 uses a material pushing plate to push the cylinder 3 to move, and the movement of the material pushing plate can be powered by a motor. The motor drives the conveyor belt to move, and the conveyor belt drives the material pushing plate to move. The reciprocating movement of the material pushing plate is realized by the forward and reverse rotation of the motor. Here, only a simple idea of feeding the cylinder 3 is provided for those skilled in the art. Other structures can also be used to realize the feeding of the cylinder 3. In addition, a conveyor belt can be arranged below the subsequent discharging rack 4, and a hoist and a bottle arranging machine can be docked nearby to realize the automation of the entire process.

[0040] The above has introduced in detail the loading device of the barrel 3 of the ultra-high pressure treatment equipment of the present invention. Based on the above structure, the operation mode of the loading device of the barrel 3 of the ultra-high pressure treatment equipment will be described in detail below.

[0041] There are two operation modes for the loading device of the barrel 3 of the ultra-high pressure treatment equipment of the present invention. The first is that the entire loading device circulates with two barrels 3. The second is that the entire loading device circulates with three barrels 3. Both modes will be described in detail below.

[0042] An operation mode of a loading device for a barrel of an ultra-high pressure treatment equipment, in which the device circulates with two barrels 3, and the specific circulation process is as follows: S1. In the initial state, the working chamber 1 moves to the loading position. At this time, the working chamber 1 is centered with the feeding rack 6 and the discharging rack 4. The barrel A31 is placed on the feeding rack 6 for loading, and the barrel B32 is placed on the return rack 5. S2. After the barrel A31 is loaded, it is pushed into the working chamber 1 from the feeding rack 6. Then, the working chamber 1 moves into the boosting position and starts working. At this time, the feeding rack 6, the discharging rack 4, and the return rack 5 are centered. The barrel B32 is moved from the return rack 5 to the feeding rack 6 to prepare for loading. S3. After the working chamber 1 completes boosting, pressure holding, and pressure relief, the working chamber 1 moves out to the loading position. At this time, the working chamber 1 is centered with the feeding rack 6 and the discharging rack 4. The loaded barrel B32 is pushed into the working chamber 1, and at the same time, the barrel B32 pushes the barrel A31 into the discharging rack 4, and the barrel A31 unloads on the discharging rack 4. S4. After the working chamber 1 moves into the boosting position again, the unloaded barrel A31 is pushed from the return rack 5 to the feeding rack 6 for loading. S5. After the next boosting, pressure holding, and pressure relief, the working chamber 1 moves out, and the next cycle is repeated.

[0043] When two barrels 3 circulate for work, except for the barrel 3 in the working chamber 1, it is necessary to wait until the barrel 3 finishes unloading on the discharging rack 4 before it can return to the feeding rack 6 for loading. Although the operation can be carried out with two barrels 3 circulating for work, each time the barrel 3 circulates for work, it is necessary to wait for unloading for loading, which is equivalent to increasing the time interval between two loadings, and the efficiency is low. Therefore, it is generally recommended to circulate with three barrels 3.

[0044] An operation mode of a loading device for a barrel of an ultra-high pressure treatment equipment, in which the device circulates with three barrels 3, and the specific circulation process is as follows: S1. In the initial state, as Figure 4 shown, the working chamber 1 moves to the loading position. At this time, the working chamber 1 is centered with the feeding rack 6 and the discharging rack 4. The barrel A31 is placed on the feeding rack 6 for loading, the barrel B32 is placed on the return rack 5, and the barrel C33 is placed on the discharging rack 4. S2. As shown in Figure 5 , after the charging of the barrel A31 is completed, it is pushed into the working chamber 1 from the feeding rack 6. Then, after the working chamber 1 is moved to the boosting position, it starts to work. At this time, the feeding rack 6, the discharging rack 4, and the recycling rack 5 are aligned. The barrel B32 is moved from the recycling rack 5 to the feeding rack 6 to prepare for charging. Subsequently, the discharged barrel C33 is moved from the discharging rack 4 to the recycling rack 5; S3. After the working chamber 1 completes boosting, pressure holding, and pressure releasing, as shown in Figure 6 , when the working chamber 1 is moved out to the charging position, at this time, the working chamber 1 is aligned with the feeding rack 6 and the discharging rack 4. The charged barrel B32 is pushed into the working chamber 1. At the same time, the barrel B32 pushes the barrel A31 into the discharging rack 4, and the barrel A31 discharges materials on the discharging rack 4; S4. As shown in Figure 7 , after the working chamber 1 is moved into the boosting position again, the barrel C33 is pushed from the recycling rack 5 to the feeding rack 6 for charging. Then, the empty barrel A31 after discharging is moved from the discharging rack 4 to the recycling rack 5; S5. After the next boosting, pressure holding, and pressure releasing, the working chamber 1 is moved out, and the next cycle is repeated.

[0045] The three barrels work in a cycle. Each charging does not need to wait for discharging, and the rhythm is fast, which is equivalent to shortening the time interval between two chargings and has higher efficiency.

[0046] The embodiments of the solution of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the purpose of the present invention.

Claims

1. A barrel loading device for ultra-high pressure processing equipment, comprising a working chamber (1), a working chamber moving mechanism (2) being provided below the working chamber (1), the working chamber moving mechanism (2) driving the working chamber (1) to reciprocate between a loading position and a pressure-increasing position, characterized in that: It also comprises a discharging rack (4), a feeding rack (6) and a returning rack (5), wherein the discharging rack (4) and the feeding rack (6) are respectively fixedly arranged at two ends of the working chamber (1), and the returning rack (5) is arranged side by side with the working chamber (1); When the working chamber (1) is in the loading position, the working chamber (1), the feeding rack (6) and the discharging rack (4) are aligned to form a barrel (3) conveying line; when the working chamber (1) is in the boosting position, the feeding rack (6), the discharging rack (4) and the return rack (5) are aligned to form a barrel (3) conveying line.

2. The ultra-high pressure processing equipment barrel loading device according to claim 1, characterized in that: The material return rack (5) is fixedly connected to the working chamber moving mechanism (2), and the working chamber moving mechanism (2) drives the working chamber (1) and the material return rack (5) to move synchronously.

3. The ultra-high pressure processing equipment barrel loading device according to claim 2, characterized in that: The number of barrels (3) in the working chamber (1) is one.

4. The ultra-high pressure processing equipment barrel loading device according to claim 2, characterized in that: The feeding frame (6) is provided with a pushing mechanism (7), and the discharging frame (4) is provided with a tilting mechanism (8).

5. The ultra-high pressure processing equipment barrel loading device according to claim 3, characterized in that: The length of the barrel (3) is less than or equal to the closed inner length of the working chamber.

6. An operating method of a barrel loading device for ultra-high pressure processing equipment, characterized in that: The ultra-high pressure treatment equipment barrel loading device according to any one of claims 1 to 5 is used, wherein the device uses three barrels (3) to perform cyclic operation, and the specific cyclic process is as follows: S1. In the initial state, the working chamber (1) moves to the loading position. At this time, the working chamber (1) is aligned with the feed rack (6) and the discharge rack (4). The barrel A (31) is placed on the feed rack (6) for loading, the barrel B (32) is placed on the return rack (5), and the barrel C (33) is placed on the discharge rack (4); S2, after the barrel A (31) is loaded, it is pushed from the feed rack (6) into the working chamber (1), and then the working chamber (1) moves to the boost position and starts working. At this time, the feed rack (6), the discharge rack (4) and the return rack (5) are aligned, and the barrel B (32) is moved from the return rack (5) to the feed rack (6) to prepare for loading, and then the discharged barrel C (33) is moved from the discharge rack (4) to the return rack (5); S3, after the working chamber (1) has completed the pressure increase, pressure maintenance and pressure relief, the working chamber (1) is moved out to the loading position, at which time the working chamber (1) is aligned with the feed rack (6) and the discharge rack (4), and the loaded barrel B (32) is pushed into the working chamber (1), and at the same time, the barrel B (32) pushes the barrel A (31) into the discharge rack (4), and the barrel A (31) is discharged on the discharge rack (4); S4, after the working chamber (1) is moved to the boosting position again, the barrel C (33) is pushed from the return rack (5) to the feed rack (6) for loading, and then the empty barrel A (31) after unloading is moved from the discharge rack (4) to the return rack (5); S5. After the next pressure increase, pressure maintenance and pressure relief, the working chamber (1) is removed and the next cycle is repeated.

7. An operating method of a barrel loading device for ultra-high pressure processing equipment, characterized in that: The ultra-high pressure treatment equipment barrel loading device according to any one of claims 1 to 5 is used, wherein the device uses two barrels (3) to perform cyclic operation, and the specific cyclic process is as follows: S1, in the initial state, the working chamber (1) moves to the loading position, at which time the working chamber (1) is aligned with the feed rack (6) and the discharge rack (4), the barrel A (31) is placed on the feed rack (6) for loading, and the barrel B (32) is placed on the return rack (5); S2, after the barrel A (31) is loaded, it is pushed from the feed rack (6) into the working chamber (1), and then the working chamber (1) moves to the boost position and starts working. At this time, the feed rack (6), the discharge rack (4) and the return rack (5) are aligned, and the barrel B (32) is moved from the return rack (5) to the feed rack (6) to prepare for loading; S3, after the working chamber (1) has completed the pressure increase, pressure maintenance and pressure relief, the working chamber (1) is moved out to the loading position, at which time the working chamber (1) is aligned with the feed rack (6) and the discharge rack (4), and the loaded barrel B (32) is pushed into the working chamber (1), and at the same time, the barrel B (32) pushes the barrel A (31) into the discharge rack (4), and the barrel A (31) is discharged on the discharge rack (4); S4, after the working chamber (1) is moved to the boosting position again, the barrel A (31) after unloading is pushed from the return rack (5) to the feed rack (6) for loading; S5. After the next pressure increase, pressure maintenance and pressure relief, the working chamber (1) is removed and the next cycle is repeated.

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