CN215566950U - Hydraulic inclined wedge system with high safety - Google Patents
Hydraulic inclined wedge system with high safety Download PDFInfo
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- CN215566950U CN215566950U CN202122058310.7U CN202122058310U CN215566950U CN 215566950 U CN215566950 U CN 215566950U CN 202122058310 U CN202122058310 U CN 202122058310U CN 215566950 U CN215566950 U CN 215566950U
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Abstract
The utility model discloses a high-safety hydraulic wedge system which comprises a hydraulic wedge action unit and a driving unit, wherein the driving unit comprises a mounting seat, an energy storage cylinder, a driving oil cylinder and a speed regulator are arranged on the mounting seat, the inner cavity of the driving oil cylinder is communicated with a cavity below the energy storage piston in the energy storage cylinder through an oil way arranged in the mounting seat, high-pressure nitrogen is filled above the energy storage piston in the energy storage cylinder, the oil way is also connected with the hydraulic wedge action unit through an oil pipe, and the speed regulator is arranged on the oil way between the driving oil cylinder and the oil pipe so as to regulate the flow rate of hydraulic oil in the driving oil cylinder flowing to the hydraulic wedge action unit. The remarkable effects are as follows: the device changes the characteristic that the prior device has no speed regulation or control, realizes the characteristic of continuous controllability, and increases the practicability.
Description
Technical Field
The utility model relates to the technical field of dies, in particular to a high-safety hydraulic wedge system.
Background
In actual production, stamping parts are usually required to be filled with holes or grooves in horizontal or inclined directions, and a press machine cannot normally directly provide stamping force in corresponding directions. In this case, a tapered wedge mechanism must be used in the die to achieve press forming in a non-vertical direction. The oblique wedge mechanism has the characteristics of accurate transmission, stable operation, low noise, large speed ratio and the like in a stamping die, and is a commonly used and indispensable mechanism in the stamping die.
The traditional wedge mechanism has the following defects: the structure is complicated, the occupied mould space is large, the mould is heavy, the use is not convenient enough, in addition, the speed regulation or control-free characteristic is realized, and the hidden danger of cylinder explosion is easy to appear.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a high-safety hydraulic wedge system which is simple in structure and convenient to drive and can adjust the action speed of the hydraulic wedge.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a hydraulic pressure wedge system of high security which the key lies in: the hydraulic oblique wedge driving device comprises a hydraulic oblique wedge action unit and a driving unit, wherein the driving unit comprises a mounting seat, an energy storage cylinder, a driving oil cylinder and a speed regulator are arranged on the mounting seat, an inner cavity of the driving oil cylinder is communicated with a cavity below the energy storage piston in the energy storage cylinder through an oil way arranged in the mounting seat, high-pressure nitrogen is filled above the energy storage piston in the energy storage cylinder, the oil way is connected with the hydraulic oblique wedge action unit through an oil pipe, and the speed regulator is arranged on the oil way between the driving oil cylinder and the oil pipe so as to regulate the flow speed of hydraulic oil in the driving oil cylinder to the hydraulic oblique wedge action unit.
Furthermore, the energy storage cylinder and the speed regulator are respectively arranged on two sides of the driving oil cylinder.
Furthermore, the driving oil cylinder comprises a first cylinder body fixed on the mounting seat, a guide sleeve arranged at the upper end of the first cylinder body and a driving piston arranged in the first cylinder body and extending out of the guide sleeve, and a first sealing structure is arranged between the driving piston and the guide sleeve.
Furthermore, the energy storage cylinder comprises a second cylinder body fixed on the mounting seat, the energy storage piston is arranged in an inner cavity of the second cylinder body and divides the inner cavity of the second cylinder body into an air cavity and an oil cavity which are isolated from each other, the air cavity is communicated with the outside through an inflation valve, high-pressure nitrogen is injected into the air cavity, and the oil cavity is communicated with the oil way.
Furthermore, the speed regulator comprises a fixed support fixedly connected with the mounting seat, a speed regulation main shaft penetrates through the central thread of the fixed support, the inner end of the speed regulation main shaft extends into the oil way, an oil seal is arranged between the speed regulation main shaft and the mounting seat, and a speed regulation knob is formed at the outer end of the speed regulation main shaft.
Further, the hydraulic oblique wedge action unit comprises a third cylinder body, the inner cavity of the third cylinder body is communicated with the oil pipe, a lining is arranged in the inner cavity of the third cylinder body, an action piston penetrates through the center of the lining, the outer end of the action piston extends out of the lining and is connected with a working face, one side, close to the third cylinder body, of the working face is connected with one ends of two connecting rods, the middle of each connecting rod penetrates through the upper portion of the third cylinder body, the other ends of the two connecting rods are connected with two sides of the forced back-driving connecting block, and the middle of the forced back-driving connecting block is connected with the third cylinder body through a forced back-driving spring.
The utility model has the following remarkable effects:
the driving unit is an energy storage cylinder and a driving oil cylinder which are communicated, if the working pressure of the hydraulic wedge exceeds the pressure of the energy storage cylinder, a piston of the energy storage cylinder moves, oil flows from the oil hydraulic cylinder to the energy storage cylinder, and the pressure overload of the system is avoided; the speed regulator is used for regulating the flow of the hydraulic oil flowing to the driving unit to control the action speed of the driving unit, so that the action speed of the action unit is regulated, the characteristic that the existing equipment has no speed regulation or no control is changed, the characteristic of continuous controllability is realized, and the practicability is increased; the speed regulator is arranged between the driving unit and the action unit, so that the hydraulic oblique wedge can be more effectively controlled, and meanwhile, when the speed of the speed regulator is regulated to the minimum or the action unit fails, the energy storage cylinder can effectively protect the safe operation of the whole equipment, and only the failure needs to be timely eliminated, so that the risk of cylinder explosion caused by the switching failure when the switching equipment is arranged between the energy storage cylinder and the driving oil cylinder is solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
fig. 3 is a partially enlarged schematic view of a in fig. 2.
Detailed Description
The following provides a more detailed description of the embodiments and the operation of the present invention with reference to the accompanying drawings.
As shown in fig. 1 and 2, a high-safety hydraulic wedge system includes a hydraulic wedge action unit 10 and a driving unit 20, where the driving unit 20 includes an installation base 21, an energy storage cylinder 22, a driving oil cylinder 23 and a speed regulator 24 are disposed on the installation base 21, an inner cavity of the driving oil cylinder 23 is communicated with a cavity below an energy storage piston 222 in the energy storage cylinder 22 through an oil path 25 formed in the installation base 21, high-pressure nitrogen is filled above the energy storage piston 222 in the energy storage cylinder 22, the oil path 25 is further connected with the hydraulic wedge action unit 10 through an oil pipe 30, and the speed regulator 24 is disposed on the oil path 25 between the driving oil cylinder 23 and the oil pipe 30 to regulate a flow rate of hydraulic oil in the driving oil cylinder 23 flowing to the hydraulic wedge action unit 10.
In this example, the energy storage cylinder 22 and the speed governor 24 are separately disposed on two sides of the driving oil cylinder 23, that is, the speed governor 24 is disposed between the driving unit 20 and the action unit 10, so that the hydraulic oblique wedge can be more effectively controlled, and meanwhile, when the speed of the speed governor 24 is adjusted to the minimum or the action unit 10 fails, the energy storage cylinder 22 can effectively protect the safe operation of the whole equipment, and only the failure needs to be timely removed, thereby solving the risk of cylinder explosion caused by the switching failure when the switching equipment is disposed between the energy storage cylinder 22 and the driving oil cylinder 23.
Referring to fig. 2, the hydraulic oblique wedge action unit 10 includes a third cylinder 11, an inner cavity of the third cylinder 11 is communicated with the oil pipe 30, a bushing 12 is installed in the inner cavity of the third cylinder 11, an action piston 13 is inserted through the center of the bushing 12, the outer end of the action piston 13 extends out of the bushing 12 and is connected with a working surface 14, one side of the working surface 14 close to the third cylinder 11 is connected with one ends of two connecting rods 15, the middle of the connecting rod 15 is inserted through the upper portion of the third cylinder 11, the other ends of the two connecting rods 15 are connected with two sides of a forced drive-back connecting block 16, and the middle of the forced drive-back connecting block 16 is connected with the third cylinder 11 through a forced drive-back spring 17.
Preferably, the accumulator cylinder 22 includes a second cylinder 221 fixed on the mounting base 21, the accumulator piston 222 is installed in an inner cavity of the second cylinder 221, the accumulator piston 222 divides the inner cavity of the second cylinder 221 into an air cavity 223 and an oil cavity 224, which are isolated from each other, the air cavity 223 is communicated with the outside through an inflation valve 225, high-pressure nitrogen is injected into the air cavity 223, the oil cavity 224 is communicated with the oil passage 25, and a second sealing structure 226 is arranged between the accumulator piston 222 and the inner wall of the second cylinder 221.
When the mold descends, if the speed exceeds the flow rate of the hydraulic pipe too fast, or the hydraulic wedge action unit cannot act due to faults or other reasons, the hydraulic oil is compressed to the energy storage cylinder 22, and when the mold ascends, the hydraulic oil in the energy storage cylinder 22 is forcibly driven back to the driving oil cylinder 23 by the high-pressure nitrogen in the air cavity 223 in the energy storage cylinder 22.
Preferably, the driving cylinder 23 includes a first cylinder 231 fixed on the mounting base 21, a guide sleeve 232 mounted on an upper end of the first cylinder 231, and a driving piston 233 installed in the first cylinder 231 and extending out of the guide sleeve 232, and a first sealing structure 234 is disposed between the driving piston 233 and the guide sleeve 232.
Referring to fig. 3, the speed governor 24 includes a fixing support 241 fixedly connected to the mounting seat 21, a speed regulation main shaft 242 is threaded through the center of the fixing support 241, the inner end of the speed regulation main shaft 242 extends into the oil path 25, an oil seal 243 is disposed between the speed regulation main shaft 242 and the mounting seat 21, and a speed regulation knob 244 is formed at the outer end of the speed regulation main shaft 242.
When the hydraulic wedge is produced, the driving oil cylinder 23 is connected with the hydraulic wedge action unit 10 through the oil pipe 30, and is communicated with the bottom of the energy storage cylinder 22 through the oil passage 25, the oil passage 25 of the driving oil cylinder 23 is filled with hydraulic oil and exhausts air, the energy storage cylinder 22 fills nitrogen in the upper cavity of the energy storage cylinder 22 through an inflation valve according to requirements, and the speed regulator 24 is screwed to the maximum (the opening of the oil passage 25 is the maximum).
The working principle is as follows:
1. the mould is pressed downwards, the piston of the oil cylinder 23 is driven to move downwards, and the hydraulic oil drives the working surface in the hydraulic inclined wedge action unit 10 to move forwards.
2. When the mold descends, if the speed exceeds the flow rate of a hydraulic pipe too fast or the hydraulic wedge action unit 10 cannot act due to faults or other reasons, hydraulic oil is compressed to the energy storage cylinder 22, and the hydraulic oil in the energy storage cylinder 22 is forcibly driven back to the driving oil cylinder 23 by high-pressure nitrogen in the upper cavity of the energy storage cylinder 22 when the mold ascends, so that the safety of the whole system is greatly improved, and the risk of cylinder explosion is avoided;
3. and the mould moves upwards, the forced driving-back spring pulls back the action piston 13 extending out of the hydraulic inclined wedge action unit 10, and the hydraulic oil returns to the driving oil cylinder 23.
The driving unit 20 is an energy storage cylinder 22 and a driving oil cylinder 23 which are communicated, if the working pressure of the hydraulic oblique wedge exceeds the pressure of the energy storage cylinder, the piston of the energy storage cylinder will move, and oil flows from the oil hydraulic cylinder to the energy storage cylinder, so that the pressure overload of the system is avoided; the speed regulator 24 is used for regulating the flow of the hydraulic oil flowing to the driving unit 20 to control the action speed of the driving unit 20, so that the action speed of the action unit 10 is regulated, the characteristic that the existing equipment has no speed regulation or control is changed, the characteristic of continuous controllability is realized, the practicability is increased, and the risk of cylinder explosion caused by switch failure when the switch equipment is arranged between the energy storage cylinder 22 and the driving oil cylinder 23 is solved.
The technical solution provided by the present invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (6)
1. A high-safety hydraulic wedge system comprises a hydraulic wedge action unit and a driving unit, and is characterized in that: the driving unit comprises a mounting seat, an energy storage cylinder, a driving oil cylinder and a speed regulator are arranged on the mounting seat, an inner cavity of the driving oil cylinder is communicated with a cavity below an energy storage piston in the energy storage cylinder through an oil way formed in the mounting seat, high-pressure nitrogen is filled above the energy storage piston in the energy storage cylinder, the oil way is further connected with the hydraulic wedge action unit through an oil pipe, and the speed regulator is arranged on the oil way between the driving oil cylinder and the oil pipe to regulate the flow speed of hydraulic oil in the driving oil cylinder to flow to the hydraulic wedge action unit.
2. The high-safety hydraulic wedge system of claim 1, wherein: the energy storage cylinder and the speed regulator are respectively arranged on two sides of the driving oil cylinder.
3. A high safety hydraulic wedge system according to claim 1 or 2, wherein: the driving oil cylinder comprises a first cylinder body fixed on the mounting seat, a guide sleeve arranged at the upper end of the first cylinder body and a driving piston arranged in the first cylinder body and extending out of the guide sleeve, and a first sealing structure is arranged between the driving piston and the guide sleeve.
4. A high safety hydraulic wedge system according to claim 1 or 2, wherein: the energy storage cylinder comprises a second cylinder body fixed on the mounting seat, the energy storage piston is arranged in an inner cavity of the second cylinder body and divides the inner cavity of the second cylinder body into an air cavity and an oil cavity which are mutually isolated, the air cavity is communicated with the outside through an inflation valve, high-pressure nitrogen is injected into the air cavity, and the oil cavity is communicated with the oil way.
5. The high-safety hydraulic wedge system of claim 1, wherein: the speed regulator comprises a fixed support fixedly connected with the mounting seat, a speed regulation main shaft penetrates through a central thread of the fixed support, the inner end of the speed regulation main shaft extends into the oil way, an oil seal is arranged between the speed regulation main shaft and the mounting seat, and a speed regulation knob is formed at the outer end of the speed regulation main shaft.
6. The high-safety hydraulic wedge system of claim 1, wherein: the hydraulic oblique wedge action unit comprises a third cylinder body, the inner cavity of the third cylinder body is communicated with the oil pipe, a bushing is arranged in the inner cavity of the third cylinder body, an action piston penetrates through the center of the bushing, the outer end of the action piston extends out of the bushing and is connected with a working face, one side, close to the third cylinder body, of the working face is connected with one ends of two connecting rods, the middle of each connecting rod penetrates through the upper portion of the third cylinder body, the other ends of the two connecting rods are connected with the two sides of the forced back-driving connecting block, and the middle of the forced back-driving connecting block is connected with the third cylinder body through a forced back-driving spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122058310.7U CN215566950U (en) | 2021-08-30 | 2021-08-30 | Hydraulic inclined wedge system with high safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122058310.7U CN215566950U (en) | 2021-08-30 | 2021-08-30 | Hydraulic inclined wedge system with high safety |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215566950U true CN215566950U (en) | 2022-01-18 |
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ID=79843903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122058310.7U Active CN215566950U (en) | 2021-08-30 | 2021-08-30 | Hydraulic inclined wedge system with high safety |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215566950U (en) |
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2021
- 2021-08-30 CN CN202122058310.7U patent/CN215566950U/en active Active
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