TW202106984A - Electric assisted booster cylinder which uses a stepping motor to control the movement stroke of the booster rod inside the booster cylinder, thereby accurately controlling the compression ratio and the control speed of the stroke - Google Patents

Abstract

The electric assisted booster cylinder of the present invention includes a hydraulic cylinder, a booster cylinder and a pre-compressed cylinder, wherein the booster cylinder is provided therein with a booster rod and a drive motor set. The drive motor set can accurately control the stroke of the booster rod extended into the hydraulic cylinder, so that the hydraulic piston rod is more accurate when being pushed indirectly by the hydraulic pressure and the distance position can also be accurately controlled, so as to effectively reduce the manufacturing cost of machinery. The small size and high output characteristics of the drive motor set can reduce the increase in hydraulic oil temperature to affect the greenhouse effect, and have the benefit of energy saving. The hydraulic cylinder has a first oil storage space, a hydraulic piston disposed in the first oil storage space, and a hydraulic piston rod connected to the hydraulic piston. The pre-compressed cylinder is connected to one side of the hydraulic cylinder, and has a second oil storage space communicated with the first oil storage space and an air passage communicated with the second oil storage space.

Description

Electric assisted booster cylinder

The present invention relates to an electric assisted booster cylinder, in particular, a stepping motor controls the movement stroke of the booster rod inside the booster cylinder, thereby achieving precise control of the compression ratio and the control speed of the stroke.

According to various mechanical equipment, pneumatic cylinders or hydraulic cylinders are often used as the driving source of the drive components. As far as the pneumatic cylinder is concerned, although it has a better operating speed, it is due to the smaller output force and the control of the displacement It is difficult to be precise and unable to meet the working requirements of mechanical equipment. As far as the hydraulic cylinder is concerned, although it can output a large force, it has a large greenhouse and Energy consumption affects the working efficiency of mechanical equipment and environmental problems. Therefore, a pressurized cylinder combining air and oil pressure is produced in the shop to meet the working needs of mechanical equipment and improve the working efficiency and energy-saving benefits of mechanical equipment.

The conventional type of pressurized cylinder that combines air and oil pressure mainly controls the movement stroke of the compression piston inside the pressurized cylinder through pneumatic pushing. Although the pneumatic pushing method has the advantages of fast and high output, however, it has high output and high output. In terms of accuracy requirements, there are still shortcomings.

In view of this, based on years of development experience in related industries, the inventors have made in-depth discussions on the current gas and oil pressure booster cylinder emissions, and actively sought a solution. After long-term research and development, finally Successfully created an electrically-assisted booster cylinder. In detail, a stepping motor controls the movement stroke of the compression piston inside the booster cylinder to achieve the benefits of precise control of the compression ratio, and the displacement, speed and temperature of the process. The need for control.

The present invention relates to an electric assisted booster cylinder, in particular, a stepping motor controls the movement stroke of the booster rod inside the booster cylinder, thereby achieving precise control of the compression ratio and the control speed of the stroke.

In order to achieve the foregoing creative purpose, the "electrically assisted booster cylinder" of the present invention includes a hydraulic cylinder, a booster cylinder, and a pre-pressure cylinder, wherein: the hydraulic cylinder has a first oil storage space and a device The hydraulic piston in the first oil storage space and a hydraulic piston rod connected to the hydraulic piston can be actuated by the pressure of hydraulic oil; the booster cylinder is connected to one end of the hydraulic cylinder and It has a booster rod and a drive motor group. One end of the booster rod is connected to the drive motor group and can be pushed by the drive motor group to extend into the first oil storage space of the hydraulic cylinder with the other end; The pre-pressure cylinder is connected to one side of the hydraulic cylinder, and has a second oil storage space connected to the first oil storage space, an air inlet passage connected to the second oil storage space, and a second oil storage space connected to the second oil storage space. The airway of the oil space.

It can be seen from the foregoing creative content that the “electrically assisted booster cylinder” of the present invention is equipped with a booster rod and a drive motor group in the booster cylinder. The drive motor can precisely control the stroke of the booster rod into the hydraulic cylinder, so that The hydraulic piston rod is more accurate when being pushed by hydraulic pressure, and the distance position can also be accurately controlled, which can effectively reduce the production cost of the machine. The small size and high output characteristics of the drive motor group can reduce the increase in the temperature of the oil pressure. The situation that affects the greenhouse effect; therefore, the present invention can be said to be a very practical and progressive creation, which is worthy of being promoted by the industry and made public.

10‧‧‧Hydraulic cylinder

11‧‧‧Hydraulic cylinder

12‧‧‧Hydraulic piston

13‧‧‧Hydraulic piston rod

14‧‧‧Seal

15‧‧‧Separator

16‧‧‧The first oil storage space

161‧‧‧Oil storage room

162‧‧‧Pressure Chamber

17‧‧‧The first oil guide channel

20‧‧‧Booster cylinder

21‧‧‧Pressurized cylinder

22‧‧‧Booster lever

23‧‧‧Drive Motor Group

30‧‧‧Pre-compression cylinder

31‧‧‧Second oil storage space

32‧‧‧Second oil guide channel

33‧‧‧Airway

40‧‧‧Workpiece

The first figure is a cross-sectional view of the electric-assisted booster cylinder of the present invention.

Figures 2 to 5 are flow charts of the operation of the electrically assisted booster cylinder of the present invention.

The present invention relates to an electric-assisted booster cylinder, which uses a stepping motor to control the movement stroke of the booster rod inside the booster cylinder, thereby achieving the benefit of precise control of the compression ratio. Please refer to the first to fifth pictures. It is shown that the “electrically assisted booster cylinder” of the present invention includes a hydraulic cylinder 10, a booster cylinder 20 and a pre-pressure cylinder 30, wherein the hydraulic cylinder 10 has a hydraulic pressure Cylinder 11, a hydraulic piston 12, a hydraulic piston rod 13, a seal 14, and a partition 15, the hydraulic piston 12 is housed in the hydraulic cylinder 11 and can be subjected to the pressure of hydraulic oil In operation, the top end of the hydraulic piston rod 13 is connected to the hydraulic piston 12, and can be driven by the hydraulic piston 12 to move its bottom end toward the workpiece 40. The seal 14 A first oil storage space 16 is formed between the top of the hydraulic cylinder 11 and the hydraulic piston 12 to store hydraulic oil. The partition 15 is arranged between the seal 14 and the hydraulic piston 12 for The first oil storage space 16 is divided into an oil storage chamber 161 and a pressurizing chamber 162. The volume of the pressurizing chamber 162 varies with the position of the hydraulic piston 12. In addition, the hydraulic cylinder 11 radially penetrates a first oil guide passage 17 to communicate with the oil storage chamber 161 of the first oil storage space 16.

The booster cylinder 20 has a booster cylinder block 21, a booster rod 22, and a drive motor group 23. The bottom end of the booster cylinder block 21 is connected to the top end of the hydraulic cylinder block 11 of the hydraulic cylinder 10. The top end of the booster rod 23 is connected to the drive motor group 23. The bottom end of the booster rod 22 passes through the seal 14 and is located in the oil storage chamber 161 of the hydraulic cylinder 10, which can be driven by the drive motor group 23. The bottom end extends into the pressurizing chamber 162 of the hydraulic cylinder 10 to achieve the pressurizing effect.

The pre-pressure cylinder 30 is connected to one side of the hydraulic cylinder 10 and has a second oil storage space 31 for storing hydraulic oil, and radially penetrates a second oil guide passage 32 and a second oil storage space 31. At the same time, it also communicates with the first oil guide passage 14 of the hydraulic cylinder 10. In addition, the pre-pressurizing cylinder 30 has an air passage 33 connected to the second oil storage space 31 for entering or exhausting compressed air from outside.

Please refer to the second to fifth pictures together, and then explain the operation process and features of this creation below. First, the external compressed air is injected into the second oil storage space 31 of the pre-compression cylinder 30 through the air passage 33 of the pre-compression cylinder 30, so that the hydraulic oil in the pre-compression cylinder 50 will be subjected to the pressure of the compressed air to pass through the second oil guide The passage 32 and the first oil guide passage 17 push the hydraulic oil from the second oil storage space 31 into the first oil storage space 16 of the hydraulic cylinder 10, and the hydraulic oil at this time will affect the hydraulic piston of the hydraulic cylinder 10. 12 generates a pre-pressure, so that the hydraulic piston 12 of the hydraulic cylinder 10 drives the hydraulic piston rod 13 to move toward the workpiece 40. When approaching the workpiece 40, the booster rod 22 of the booster cylinder 20 will be acted on by the drive motor group 23. Extend into the pressurizing chamber 162 of the hydraulic cylinder 10 to increase the output of the hydraulic piston rod 13 of the hydraulic cylinder 10 to the workpiece 40 for processing. When the workpiece 40 is processed, the hydraulic cylinder 10 is pressurized The cylinder 20 and the pre-compression cylinder 30 will respectively return to the initial positions for the next processing.

From the above design, it can be seen that the "electrically assisted booster cylinder" of the present invention is equipped with a booster rod and a drive motor group in the booster cylinder. The drive motor can precisely control the stroke of the booster rod into the hydraulic cylinder, so that The hydraulic piston rod is more accurate when being pushed by hydraulic pressure, and the distance position can also be accurately controlled, which can effectively reduce the production cost of the machine. The small size and high output characteristics of the drive motor group can reduce the increase in the temperature of the oil pressure. Circumstances affecting the greenhouse effect.

The above descriptions are only used to explain the preferred embodiments of the present invention, and are not intended to restrict the present invention in any form. Therefore, any modification related to the present invention made under the same inventive spirit Or changes, other aspects that can be implemented and have the same effect, should still be included in the scope of the present invention's intended protection.

In summary, the "electrically assisted booster cylinder" of the present invention is indeed practical in terms of structural design and practicality. The disclosed structural invention also has an unprecedented innovative structure, so it has "novelty" "Sex" should be considered, and the present invention can be more effective than the conventional structure, so it is also "progressive". It fully complies with the provisions of China's Patent Law on invention patent applications. Therefore, Yan applied for a patent to the Jun Office according to law To apply, I implore the Jun Bureau to grant the patent right for this case as soon as possible.

10‧‧‧Hydraulic cylinder

11‧‧‧Hydraulic cylinder

12‧‧‧Hydraulic piston

13‧‧‧Hydraulic piston rod

14‧‧‧Seal

15‧‧‧Separator

161‧‧‧Oil storage room

17‧‧‧The first oil guide channel

20‧‧‧Booster cylinder

21‧‧‧Pressurized cylinder

22‧‧‧Booster lever

23‧‧‧Drive Motor Group

30‧‧‧Pre-compression cylinder

31‧‧‧Second oil storage space

32‧‧‧Second oil guide channel

33‧‧‧Airway

Claims (3)

An electric-assisted booster cylinder includes a hydraulic cylinder, a booster cylinder, and a pre-pressure cylinder. The hydraulic cylinder has a first oil storage space and a first oil storage space. A hydraulic piston, and a hydraulic piston rod connected to the hydraulic piston; the booster cylinder is connected to one end of the hydraulic cylinder and has a booster rod and a drive motor group, one end of the booster rod is connected to the The driving motor group can be pushed by the driving motor group to extend into the first oil storage space of the hydraulic cylinder with the other end; the pre-compression cylinder is connected to one side of the hydraulic cylinder and has a communication The second oil storage space of the first oil storage space and an air passage communicating with the second oil storage space. The electric-assisted booster cylinder according to claim 1, wherein the hydraulic cylinder has a seal and a partition, the first oil storage space is formed between the seal and the hydraulic piston, and the partition is located The seal and the hydraulic piston are used to separate the first oil storage space from an oil storage chamber and a pressurizing chamber. The oil storage chamber is connected to the second oil storage space of the pre-pressure cylinder. The volume of the pressurizing chamber changes with the position of the hydraulic piston; the pneumatic piston rod of the pneumatic cylinder passes through the seal and is located in the oil storage chamber, and can be pushed by the pneumatic piston to extend into the pressurizing chamber. The electric-assisted booster cylinder according to claim 1, wherein the hydraulic cylinder has a first oil guide passage communicating with the first oil storage space, and the pre-pressure cylinder has a first oil passage communicating with the second oil storage space. Two oil guide passages, the first oil guide passage and The second oil guide channels communicate with each other.

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