CN202656493U - Pneumatic-hydraulic pressurizing press machine - Google Patents
Pneumatic-hydraulic pressurizing press machine Download PDFInfo
- Publication number
- CN202656493U CN202656493U CN2012203023726U CN201220302372U CN202656493U CN 202656493 U CN202656493 U CN 202656493U CN 2012203023726 U CN2012203023726 U CN 2012203023726U CN 201220302372 U CN201220302372 U CN 201220302372U CN 202656493 U CN202656493 U CN 202656493U
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- CN
- China
- Prior art keywords
- pneumatic muscle
- pneumatic
- pressure
- cylinder
- way valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/16—Control arrangements for fluid-driven presses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
- F15B11/032—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of fluid-pressure converters
- F15B11/0325—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of fluid-pressure converters the fluid-pressure converter increasing the working force after an approach stroke
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/06—Servomotor systems without provision for follow-up action; Circuits therefor involving features specific to the use of a compressible medium, e.g. air, steam
- F15B11/072—Combined pneumatic-hydraulic systems
- F15B11/0725—Combined pneumatic-hydraulic systems with the driving energy being derived from a pneumatic system, a subsequent hydraulic system displacing or controlling the output element
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/10—Characterised by the construction of the motor unit the motor being of diaphragm type
- F15B15/103—Characterised by the construction of the motor unit the motor being of diaphragm type using inflatable bodies that contract when fluid pressure is applied, e.g. pneumatic artificial muscles or McKibben-type actuators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/775—Combined control, e.g. control of speed and force for providing a high speed approach stroke with low force followed by a low speed working stroke with high force, e.g. for a hydraulic press
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model discloses a pneumatic-hydraulic pressurizing press machine. The pneumatic-hydraulic pressurizing press machine comprises a first pneumatic muscle tendon, a first pressure cylinder, a second pneumatic muscle tendon, a second pressure cylinder, a first three-position four-way valve, a second three-position four-way valve, a two-position four-way valve and a pneumatic-hydraulic cylinder, wherein the first pneumatic muscle tendon is connected with a piston rod of the first pressure cylinder; the second pneumatic muscle tendon is connected with a piston rod of the second pressure cylinder; an air source is communicated with an air storing cavity of the pneumatic-hydraulic cylinder through the two-position four-way valve and is communicated with the first pneumatic muscle tendon and the second pneumatic muscle tendon through the two-position four-way valve and the first three-position four-way valve; and the first pressure cylinder and the second pressure cylinder are communicated with the air storing cavity of the pneumatic-hydraulic cylinder through the second three-position four-way valve. The pneumatic muscle tendons serve as driving sources, and the output pull force of the pneumatic muscle tendons is converted into the pressure of the liquid of the pressure cylinders to push pistons of the pressure cylinders to extrude a molded workpiece; and the output pull force of the pneumatic muscle tendons acts on a circular ring surface, and the current situation that liquid pressure is realized by the traditional pressure acted on the cylindrical surface of the air cylinder is substituted.
Description
Technical field
The utility model relates to a kind of gas-liquid pressure-boosting forcing press, belongs to the press technologies field.
Background technology
The gas-liquid pressure-boosting forcing press is a kind of common forcing press, and it uses compressed air as power source usually, utilizes pneumohydraulic pressure-cylinder, with boost in pressure decades of times and the output pressure of Compressed Gas; The advantage of this forcing press mainly is safe, volume is little, be generally desk-top, the pressure stroke of gas-liquid pressure-boosting machine is larger than common punch press, can realize pressure holding function simultaneously, and main is the low in energy consumption of gas-liquid pressure-boosting machine, the gas-liquid pressure-boosting machine that is also advantageous in that of gas-liquid pressure-boosting machine is non-maintaining type, do not have consumable accessory, in use without any pollution, thereby in the stretching of metal and forming technology, have a wide range of applications.
Present gas-liquid pressure-boosting forcing press adopts cylinder to promote the hydraulic cylinder coaxial piston usually, through the area conversion, utilizes the output hydraulic pressure cylinder piston rod to realize stamping.But at engineering field, air-driven system pressure generally exists
～
Scope in; So low system works pressure in the larger occasion of ask for something power output, tends to cause the volume of cylinder bore and whole device and quality very large.
On the other hand, pneumatic muscle is that a kind of power-weight ratio is high, and the flexible executive component of two-way tension can be provided.Compare with conventional cylinder, pneumatic muscle not only lightweight, inertia is little, and can produce and is equivalent to about 10 times the incipient extension power of cylinder diameter cylinder, air consumption but only is about 40% of common cylinder.In addition, owing to do not have relative movement part and consumable accessory, thereby anti-dust pollution ability is strong, self can not produce leakage phenomenon, can not lose than macro-energy because fricting movement produces as the cylinder piston motion yet.Because above-mentioned superior technical performance, pneumatic muscle has received more concern in recent years.
But, people are to the research of pneumatic muscle at present, mainly concentrate on the Modelling and calculation aspect of its internal forces mechanism of action, although also there is the researcher to be applied in the forcing press of mechanical booster, spring reset, but this forcing press does not possess the characteristics of Quick air stroke and large power output impulse stroke, and complex structure, flexible low, bad adaptability.And for the application innovation of this novel pneumatic executive component in gas-liquid pressure-boosting press technologies field, then almost do not have to relate to.
Summary of the invention
Goal of the invention of the present utility model provides a kind of gas-liquid pressure-boosting forcing press.
For achieving the above object, the technical solution adopted in the utility model is: a kind of gas-liquid pressure-boosting forcing press comprises the first pneumatic muscle, the first pressurized cylinder, the second pneumatic muscle, the second pressurized cylinder, the first three-position four-way valve, the second three-position four-way valve, two position four-way valves and airdraulic actuator;
Described the first pneumatic muscle is connected with the piston rod of the first pressurized cylinder; Described the second pneumatic muscle is connected with the piston rod of the second pressurized cylinder;
Source of the gas is communicated with the air storing cavity of airdraulic actuator by two position four-way valves; Source of the gas is communicated with the first pneumatic muscle and the second pneumatic muscle by two position four-way valves, the first three-position four-way valve;
The first pressurized cylinder, the second pressurized cylinder are communicated with the liquid storage cylinder of described airdraulic actuator by the second three-position four-way valve.
In the technique scheme, described the first pneumatic muscle is the pneumatic muscle assembly of 1 pneumatic muscle or 2 and above pneumatic muscle parallel connection.Namely the first pneumatic muscle can be 1 independent pneumatic muscle; It also can be the pneumatic muscle assembly of the pneumatic muscle parallel connection more than 2 or 2.
In the technique scheme, described the second pneumatic muscle is the pneumatic muscle assembly of 1 pneumatic muscle or 2 and above pneumatic muscle parallel connection.Namely the first pneumatic muscle can be 1 independent pneumatic muscle; It also can be the pneumatic muscle assembly of the pneumatic muscle parallel connection more than 2 or 2.
Preferably, the selection of the size of the first pneumatic muscle should be larger than the second pneumatic muscle.
Therefore under normal circumstances, the first pneumatic muscle and the second pneumatic muscle all adopt 1 pneumatic muscle, but because the pneumatic muscle stroke is shorter, when the larger stroke of forcing press needs, can adopt the pneumatic muscle assembly of 2 and above pneumatic muscle parallel connection.
Another kind of technical scheme correspondingly, a kind of gas-liquid pressure-boosting forcing press comprises pneumatic muscle, pressurized cylinder, two position four-way valves and airdraulic actuator;
Described pneumatic muscle is connected with the piston rod of pressurized cylinder;
Source of the gas is communicated with the air storing cavity of pneumatic muscle and airdraulic actuator respectively by two position four-way valves;
Pressurized cylinder is communicated with the liquid storage cylinder of described airdraulic actuator.
Said structure is for the shorter situation of the needed punching stroke of the part that is stamped, and only needs this moment to arrange 1 pneumatic muscle, just can finish the punching press action of workpiece, and this equips more simple economy.
In the technique scheme, described pneumatic muscle is the pneumatic muscle assembly of 1 pneumatic muscle or 2 and above pneumatic muscle parallel connection.
Gas-liquid pressure-boosting forcing press of the present utility model not only has the characteristics of common gas-liquid pressure-boosting pressure, as have and operate steadily, speed is fast, noiselessness, crudy is high, the advantages such as High power output, have simultaneously own unique characteristics, little such as volume, quality is light, stroke switches controlled, the advantages such as dustproof anti-soil, applicable to the radio industry, electric apparatus manufacture, the auto parts and components manufacturing industry, instrument, the thin-wall part punching of the industries such as instrument, crooked, solid, the riveted of tubular rivet, between metallic object or the assembling of metallic object and non-metallic body, be pressed into, riveted joint, crooked, the technique such as reducing and smoothing also can be carried out packing or assembling to various elements simultaneously; Also applicable to operation occasions such as the mine of inclement condition, fields.
Because technique scheme is used, the utility model compared with prior art has following advantages:
1. the utility model design has obtained a kind of new gas-liquid pressure-boosting forcing press, utilize pressurized cylinder and airdraulic actuator supercharging and reinforcing, than the mechanical booster forcing press that pneumatic muscle drives, have Quick air stroke and large power output impulse stroke, and simple in structure, obtained preferably effect.
2. the utility model adopts pneumatic muscle to replace traditional cylinder, the tensile force of pneumatic muscle is the several times of same diameter single-acting cylinder, and weight only is the part of common cylinder, thereby forcing press of the present utility model has little, the lightweight characteristics of volume.
3. the utility model utilizes pneumatic muscle as drive source, its output pulling force is changed into the pressure of the liquid of pressurized cylinder, promotes the pressurized cylinder piston Forming Workpiece; Pneumatic muscle output pulling force acts on the anchor ring, replaces traditional present situation that acts on the pressure realization fluid pressure on the cylinder face of cylinder.
4. the utility model forcing press is compared with existing gas-liquid pressure machine, also has idle stroke and impulse stroke and transforms the characteristics that can automatically regulate, can regulate by the switching of three-position four-way valve the size of idle stroke and force-stroke; Therefore this forcing press has advantages of that automation, flexibility degree are high.
Description of drawings
Fig. 1 is the structural representation that the gas-liquid pressure-boosting forcing press is in quick hollow travel stage among the utility model embodiment one;
Fig. 2 is the structural representation that the gas-liquid pressure-boosting forcing press is in the large power output punching press stage among the utility model embodiment one;
Fig. 3 is the structural representation that the gas-liquid pressure-boosting forcing press is in recovery stage among the utility model embodiment one;
Fig. 4 is the structural representation of the utility model embodiment two.
Wherein: 1, the first pneumatic muscle; 2, the first pressurized cylinder; 3, the second pneumatic muscle; 4, the second pressurized cylinder; 5, the first three-position four-way valve; 6, the second three-position four-way valve; 7, two position four-way valves; 8, airdraulic actuator; 9, workpiece; 11, pneumatic muscle; 12, pressurized cylinder; 13, two position four-way valves; 14, airdraulic actuator.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment one
Shown in Fig. 1 ~ 3, a kind of gas-liquid pressure-boosting forcing press is characterized in that: comprise the first pneumatic muscle 1, the first pressurized cylinder 2, the second pneumatic muscle 3, the second pressurized cylinder 4, the first three-position four-way valve 5, the second three-position four-way valve 6, two position four-way valves 7 and airdraulic actuator 8;
Described the first pneumatic muscle is connected with the piston rod of the first pressurized cylinder; Described the second pneumatic muscle is connected with the piston rod of the second pressurized cylinder;
Source of the gas is communicated with the air storing cavity of airdraulic actuator by two position four-way valves; Source of the gas is communicated with the first pneumatic muscle and the second pneumatic muscle by two position four-way valves, the first three-position four-way valve;
The first pressurized cylinder, the second pressurized cylinder are communicated with the liquid storage cylinder of described airdraulic actuator by the second three-position four-way valve.
Its operation principle is as follows: when two position four-way valves and two three-position four-way valves all were in meta, as shown in Figure 1, the gas-liquid pressure-boosting forcing press was in the low pressure F.F. stroke stage, and this moment, the second pneumatic muscle 3 entered compressed air, can produce be radially expanded, axial shrinkage; The axial contraction force that it produces
Spur the piston rod of the second pressurized cylinder, so that liquid forms low pressure in the second pressurized cylinder
, the piston rod that promotes fast airdraulic actuator contacts workpiece;
Then, carry out the high pressure stroke stage, as shown in Figure 2, switch two three-position four-way valves this moment and all be in right position, after the first pneumatic muscle 1 inside is filled with compressed air, produce axial contraction force
, the liquid in the hydraulic cavities has high pressure
, the piston that promotes airdraulic actuator 8 continues to move downward, and extruding workpiece 9 is finished the punching press action;
At last, reverse when two position four-way valves 7, switch simultaneously two three-position four-way valves and be in meta, as shown in Figure 3, and airdraulic actuator bottom air inlet this moment, the pushing piston bar moves up, the resetting of finishing device.
Above-mentioned press forming calculation of pressure is as follows:
As seen from Figure 1, when low pressure stroke, fluid pressure
Size:
During the high pressure stroke, fluid pressure
Size:
The forcing press stamping press
Size:
（3）
In the formula,
Respectively the diameter of cylinder size of the second pressurized cylinder, the first pressurized cylinder and airdraulic actuator,
The size of diameter of the piston rod of the second pressurized cylinder,
It is the size of the diameter of piston rod of the first pressurized cylinder.
By formula (2) as seen, the fluid pressure of high pressure stroke can improve by increasing diameter of piston rod.By formula (3) as seen, can realize by the diameter of adjusting the pressurized cylinder piston bar adjusting of pressure ratio, thereby adjust the size of output stamping press.
Embodiment two
A kind of gas-liquid pressure-boosting forcing press comprises pneumatic muscle 11, pressurized cylinder 12, two position four-way valves 13 and airdraulic actuator 14;
Described pneumatic muscle is connected with the piston rod of pressurized cylinder;
Source of the gas is communicated with the air storing cavity of pneumatic muscle and airdraulic actuator respectively by two position four-way valves;
Pressurized cylinder is communicated with the liquid storage cylinder of described airdraulic actuator.
The stroke demand of this gas-liquid pressure-boosting forcing press is shorter.
Be the explanation of the utility model specific embodiment only below, in any form the utility model do not made restriction.Identical or the close scheme that the thinking that those skilled in the art provide according to the utility model and collectivity Scheme Design go out all falls into protection domain of the present utility model.
Claims (5)
1. a gas-liquid pressure-boosting forcing press is characterized in that: comprise the first pneumatic muscle (1), the first pressurized cylinder (2), the second pneumatic muscle (3), the second pressurized cylinder (4), the first three-position four-way valve (5), the second three-position four-way valve (6), two position four-way valves (7) and airdraulic actuator (8);
Described the first pneumatic muscle is connected with the piston rod of the first pressurized cylinder; Described the second pneumatic muscle is connected with the piston rod of the second pressurized cylinder;
Source of the gas is communicated with the air storing cavity of airdraulic actuator by two position four-way valves; Source of the gas is communicated with the first pneumatic muscle and the second pneumatic muscle by two position four-way valves, the first three-position four-way valve;
The first pressurized cylinder, the second pressurized cylinder are communicated with the liquid storage cylinder of described airdraulic actuator by the second three-position four-way valve.
2. gas-liquid pressure-boosting forcing press according to claim 1 is characterized in that: described the first pneumatic muscle is the pneumatic muscle assembly of 1 pneumatic muscle or 2 and above pneumatic muscle parallel connection.
3. gas-liquid pressure-boosting forcing press according to claim 1 is characterized in that: described the second pneumatic muscle is the pneumatic muscle assembly of 1 pneumatic muscle or 2 and above pneumatic muscle parallel connection.
4. a gas-liquid pressure-boosting forcing press is characterized in that: comprise pneumatic muscle (11), pressurized cylinder (12), two position four-way valves (13) and airdraulic actuator (14);
Described pneumatic muscle is connected with the piston rod of pressurized cylinder;
Source of the gas is communicated with the air storing cavity of pneumatic muscle and airdraulic actuator respectively by two position four-way valves;
Pressurized cylinder is communicated with the liquid storage cylinder of described airdraulic actuator.
5. gas-liquid pressure-boosting forcing press according to claim 4 is characterized in that: described pneumatic muscle is the pneumatic muscle assembly of 1 pneumatic muscle or 2 and above pneumatic muscle parallel connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203023726U CN202656493U (en) | 2012-06-26 | 2012-06-26 | Pneumatic-hydraulic pressurizing press machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203023726U CN202656493U (en) | 2012-06-26 | 2012-06-26 | Pneumatic-hydraulic pressurizing press machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202656493U true CN202656493U (en) | 2013-01-09 |
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ID=47451424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203023726U Withdrawn - After Issue CN202656493U (en) | 2012-06-26 | 2012-06-26 | Pneumatic-hydraulic pressurizing press machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202656493U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689449A (en) * | 2012-06-26 | 2012-09-26 | 苏州大学 | Gas-liquid boosting pressure machine |
-
2012
- 2012-06-26 CN CN2012203023726U patent/CN202656493U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689449A (en) * | 2012-06-26 | 2012-09-26 | 苏州大学 | Gas-liquid boosting pressure machine |
| CN102689449B (en) * | 2012-06-26 | 2015-04-29 | 苏州大学 | Gas-liquid boosting pressure machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130109 Effective date of abandoning: 20150429 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130109 Effective date of abandoning: 20150429 |