CN218454861U - Double-force booster-type unclamping cylinder pressure boost structure and gas-liquid unclamping cylinder thereof - Google Patents
Double-force booster-type unclamping cylinder pressure boost structure and gas-liquid unclamping cylinder thereof Download PDFInfo
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- CN218454861U CN218454861U CN202222957802.4U CN202222957802U CN218454861U CN 218454861 U CN218454861 U CN 218454861U CN 202222957802 U CN202222957802 U CN 202222957802U CN 218454861 U CN218454861 U CN 218454861U
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Abstract
The utility model discloses a double power booster-type unclamping cylinder pressure intensifying structure, including supercharge cylinder, preceding pressure boost chamber and back pressure boost chamber are equipped with among the supercharge cylinder, preceding pressure boost piston and back pressure boost piston are equipped with in preceding pressure boost chamber and the back pressure boost chamber, and preceding pressure boost piston passes through the pressure boost pole with back pressure boost piston to be connected, and outside the one end of pressure boost pole extended supercharge cylinder. A gas-liquid unclamping cylinder comprises a high-pressure oil cylinder, and the rear end of the high-pressure oil cylinder is connected with the double-force supercharged unclamping cylinder supercharging structure in any one of the technical schemes. The utility model provides a double power booster-type unclamping cylinder pressure intensifying structure and gas-liquid unclamping cylinder thereof adopts double piston drive pressure intensifying mode, produces the driving pressure of double power, has increased the output pressure of gas-liquid unclamping cylinder, satisfies the higher occasion to the pressure requirement.
Description
Technical Field
The utility model belongs to the technical field of the pressure boost technique and specifically relates to a double power booster-type unclamping cylinder pressure intensifying structure and gas-liquid unclamping cylinder thereof.
Background
The booster cylinder/unclamping cylinder is designed by combining the advantages of the cylinder and the oil cylinder, hydraulic oil is strictly isolated from compressed air, a piston rod in the cylinder is automatically started after contacting a workpiece, the action speed is high, the pneumatic transmission is stable, the cylinder body device is simple, the output adjustment is easy, the high output of an oil press can be achieved under the same condition, the energy consumption is low, the soft landing does not damage a mold, the installation is easy, the special booster cylinder can be installed at any angle of 360 degrees, the occupied space is small, the fault is few, the trouble of temperature rise is avoided, the service life is long, the noise is small, and the like core characteristics are achieved. The structure commonly used at present is pneumatic pressure boost, and the piston rod through the cylinder drives hydraulic oil and promotes the piston rod output of hydro-cylinder, realizes on the basis of original hydraulic oil power, through the effect of pneumatic pressure boost. However, in the existing single-piston cylinder, the piston pushes the piston rod to move towards the cylinder direction, and the hydraulic oil is squeezed to push the piston rod of the cylinder to move. When the pressure-increasing cylinder/knife striking cylinder is used in occasions needing stronger pressure, the pressure requirement is difficult to meet by the existing pressure-increasing cylinder/knife striking cylinder.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a double power booster-type unclamping cylinder pressure intensifying structure and gas-liquid unclamping cylinder thereof adopts double piston drive pressure boost mode, produces the drive pressure of double power, has increased the output pressure of gas-liquid unclamping cylinder, satisfies the higher occasion of pressure requirement.
In order to solve the technical problem, the utility model provides a technical scheme is: the utility model provides a double strength booster-type broach jar pressure boost structure, includes pressure cylinder, is equipped with preceding pressure boost chamber and back pressure boost chamber in the pressure boost cylinder, is equipped with preceding pressure boost piston and back pressure boost piston in preceding pressure boost chamber and the back pressure boost chamber, and preceding pressure boost piston passes through the pressure boost pole with back pressure boost piston to be connected, and the one end of pressure boost pole extends outside pressure boost cylinder.
The above technical scheme is adopted in the utility model, preceding pressure boost piston can move in pressure boost chamber and the back pressure boost chamber in the front respectively with back pressure boost piston, and drive pressure boost rod moves, makes pressure boost rod produce bigger power when the piston motion of drive high pressure cylinder, improves the output pressure of unclamping cylinder. Compressed air flow is simultaneously and internally input into the front pressurizing cavity and the rear pressurizing cavity, the front pressurizing piston and the rear pressurizing piston are simultaneously driven to move in the pressurizing cylinder, the pressurizing rod is driven to reciprocate, and the pressurizing rod extends out of the pressurizing cylinder to further pressurize hydraulic oil in the high-pressure oil cylinder. Through the movement pressurization of the two pressurization cavities and the two pressurization pistons, the power output of double force of the pressurization rod is realized, and the output pressure of the unclamping cylinder is effectively improved.
Foretell double strength booster-type unclamping cylinder pressure boost structure is equipped with pressure boost well lid between preceding pressure boost chamber and the back pressure boost chamber, and the pressure boost pole is worn to locate in the pressure boost lid. The pressurizing middle cover divides the inside of the pressurizing cylinder into a front pressurizing cavity and a rear pressurizing cavity, the pressurizing rod is connected with the front pressurizing piston and the rear pressurizing piston and can axially slide in the pressurizing middle cover, and the pressurizing middle cover also plays a certain supporting role in the movement of the pressurizing rod.
Foretell double strength booster-type unclamping cylinder pressure boost structure, the both ends of pressurized cylinder are equipped with back lid and well lid, and the lid in wearing out is worn out to the one end of pressure boost pole. The rear cover and the middle cover are preferably arranged in a detachable mode, and the pressurizing cylinder can be installed and maintained conveniently, wherein the middle cover is used for being connected with the high-pressure oil cylinder, and the pressurizing rod penetrates through the middle cover and extends into the high-pressure oil cylinder to pressurize the high-pressure oil cylinder.
Foretell double strength booster-type broach jar pressure boost structure is equipped with solenoid valve and breather pipe on the pressure boost cylinder, breather pipe connection preceding pressure boost chamber, back pressure boost chamber and solenoid valve. Through the switching of the electromagnetic valve, compressed gas is input into the front pressurizing cavity and the rear pressurizing cavity through the vent pipe, the compressed gas simultaneously pushes the front pressurizing piston and the rear pressurizing piston to reciprocate, the pressurizing rod is driven to reciprocate, and the pressurizing rod is driven to pressurize hydraulic oil when extending into the high-pressure oil cylinder.
In the double-force boosting type unclamping cylinder boosting structure, the tail end shaft of the boosting rod is connected with the buffering plunger, the inner side of the rear cover is provided with the buffering cavity communicated with the boosting cylinder, and the buffering plunger is accommodated in the buffering cavity when the boosting rod moves backwards and resets. When the pressure increasing rod is reset backwards, the buffer plunger piston enters the buffer cavity, and gas in the pressure increasing cylinder enters the buffer cavity through a gap between the buffer plunger piston and the buffer cavity, so that the purpose of reducing the return flow of the gas is realized, the movement speed of the piston in the return stroke is changed, the purpose of buffering is realized, and the problems of large impact force, large noise, low service life and the like caused by the high-speed collision of the piston on the rear cover are avoided.
The utility model provides another technical scheme is: a gas-liquid unclamping cylinder comprises a high-pressure oil cylinder, and the rear end of the high-pressure oil cylinder is connected with the double-force supercharged unclamping cylinder supercharging structure in any one of the technical schemes.
In the gas-liquid unclamping cylinder, the front end of the high-pressure piston is an extension end, the extension end extends out of the high-pressure oil cylinder, the rear end of the high-pressure piston is provided with an axially-extending pressurizing cavity, and the pressurizing rod extends into the pressurizing cavity when moving forwards. Hydraulic oil is input into the high-pressure oil cylinder to drive the high-pressure piston to move, the extending end of the high-pressure piston extends out of the high-pressure oil cylinder to provide pressure to the outside, and when the pressure rod moves forwards and extends into the pressure cavity, hydraulic oil in the pressure cavity is pressurized, so that the output pressure of the high-pressure piston is improved.
In the gas-liquid knife cylinder, the front end of the high-pressure oil cylinder is provided with the front cover, the rear end of the high-pressure oil cylinder is connected with the middle cover, and the extension end of the high-pressure oil cylinder can extend out of the front cover. The front cover is preferably detachably arranged on the high-pressure oil cylinder, so that the assembly and the maintenance are convenient, and the extension end extends out of the front cover to output pressure outwards.
In the gas-liquid unclamping cylinder, the middle cover is provided with the oil pressure channel, the oil pressure channel is communicated with the high-pressure oil cylinder, and the pressure increasing rod is movably arranged in the oil pressure channel in a penetrating manner. The pressurizing rod penetrates through the oil pressure channel and extends into the pressurizing cavity of the high-pressure piston to pressurize hydraulic oil in the pressurizing cavity.
The middle cover of the gas-liquid knife cylinder is provided with an oil storage cup, and the middle cover is provided with an oil through hole which is communicated with the oil storage cup and the oil pressure channel.
In the gas-liquid knife cylinder, the side wall of the high-pressure oil cylinder is provided with a notch, two travel switches are arranged at two ends of the notch at intervals, and an induction sheet is movably arranged in the notch and arranged on the high-pressure piston. When the induction sheet moves along with the reciprocating piston of the high-pressure piston, the induction sheet respectively touches the two travel switches, and the initial and fully extended positions of the high-pressure piston can be detected.
The utility model discloses the beneficial effect who gains is: the front and rear pressurizing pistons are adopted, so that the effect of generating double power can be achieved when the pressurizing rod is driven to move for pressurizing; effectively improve the output pressure of the unclamping cylinder. The oil storage cup is communicated with the rodless cavity of the high-pressure oil cylinder, the high-pressure piston is driven to move through hydraulic oil, the pressurizing cavity is formed in the high-pressure piston, the pressurizing rod extends into the pressurizing cavity to pressurize the hydraulic oil in the pressurizing cavity, the high-pressure piston is pressurized, and the increase of the pressure output to the outside by the extending end of the high-pressure piston is improved. The high-pressure piston is directly connected with the extension end, so that the structure of the high-pressure oil cylinder is simplified, and the movement efficiency of the piston is improved.
Drawings
Fig. 1 is a schematic view of a double-force pressurizing type unclamping cylinder pressurizing structure applied to a gas-liquid unclamping cylinder in the embodiment of the present invention;
fig. 2 is a schematic view of a cross-sectional structure of a double-force supercharged unclamping cylinder and a supercharged double-force unclamping cylinder according to an embodiment of the present invention;
fig. 3 is a schematic view of a top view structure of a double-force supercharged unclamping cylinder supercharging structure and a gas-liquid unclamping cylinder in the embodiment of the present invention;
fig. 4 is a schematic view of the pressurization structure of the double-force pressurization type unclamping cylinder and the gas-liquid unclamping cylinder in the embodiment of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 2;
FIG. 6 is an enlarged view of the structure at B in FIG. 2;
fig. 7 is an enlarged view of the structure at C in fig. 2.
Description of reference numerals: the hydraulic cylinder comprises a pressurization cylinder 1, a front pressurization cavity 101, a rear pressurization cavity 102, a front pressurization piston 11, a rear pressurization piston 12, a pressurization rod 13, a rear cover 14, a middle cover 15, a pressurization middle cover 16, an electromagnetic valve 17, a vent pipe 18, an oil storage cup 19, a buffer plunger 131, a buffer cavity 141, an oil pressure channel 151, an oil through hole 152, a high-pressure oil cylinder 2, a high-pressure piston 21, an extension end 22, a pressurization cavity 23, a front cover 24, an extension channel 25, a travel switch 26, a notch 27 and a sensing piece 28.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 to 7, a double-force supercharging type unclamping cylinder supercharging structure comprises a supercharging cylinder 1, wherein a front supercharging cavity 101 and a rear supercharging cavity 102 are arranged in the supercharging cylinder 1, a front supercharging piston 11 and a rear supercharging piston 12 are arranged in the front supercharging cavity 101 and the rear supercharging cavity 102, the front supercharging piston 11 and the rear supercharging piston 12 are connected through a supercharging rod 13, and one end of the supercharging rod 13 extends out of the supercharging cylinder 1.
A middle pressurizing cover 16 is arranged between the front pressurizing cavity 101 and the rear pressurizing cavity 102, and the pressurizing rod 13 penetrates through the middle pressurizing cover 16.
Two ends of the booster cylinder 1 are provided with a rear cover 14 and a middle cover 15, and one end of the booster rod 13 penetrates through the middle cover 15.
The booster cylinder 1 is provided with an electromagnetic valve 17 and a breather pipe 18, and the breather pipe 18 is connected with the front booster cavity 101, the rear booster cavity 102 and the electromagnetic valve 17.
The tail end shaft of pressure increasing rod 13 is connected with buffer plunger 131, the inside of rear cover 14 is equipped with buffer cavity 141 that communicates pressure increasing cylinder 1, when pressure increasing rod 13 moves backward and resets, buffer plunger 131 is held in buffer cavity 141.
The gas-liquid unclamping cylinder comprises a high-pressure oil cylinder 2, and the rear end of the high-pressure oil cylinder 2 is connected with the double-force supercharged unclamping cylinder supercharging structure in the specific embodiment.
The front end of the high-pressure piston 21 is an extension end 22, the extension end 22 extends out of the high-pressure oil cylinder 2, the rear end of the high-pressure piston 21 is provided with a pressurization cavity 23 extending axially, and the pressurization rod 13 extends into the pressurization cavity 23 when moving forwards.
The front end of the high-pressure oil cylinder 2 is provided with a front cover 24, the rear end is connected with the middle cover 15, and the extension end 22 can extend out of the front cover 24. The front cover 24 is provided with an axially extending passage 25, and the extension end 22 extends out of the axially extending passage 25 of the front cover 24.
The middle cover 15 is provided with an oil pressure channel 151, the oil pressure channel 151 is communicated with the high-pressure oil cylinder 2, and the pressure increasing rod 13 is movably arranged in the oil pressure channel 151 in a penetrating mode.
The middle cover 15 is provided with an oil storage cup 19, the middle cover 15 is provided with an oil through hole 152, and the oil through hole 152 is communicated with the oil storage cup 19 and the oil pressure channel 151.
The side wall of the high-pressure oil cylinder 2 is provided with a gap 27, two travel switches 26 are arranged at two ends of the gap 27 at intervals, an induction sheet 28 is movably arranged in the gap 27, and the induction sheet 28 is arranged on the high-pressure piston 21.
The utility model discloses when concrete implementation, compressed gas enters into preceding booster cavity 101 and back booster cavity 102 of supercharge cylinder 1, promotes back booster piston 12, preceding booster piston 11 and the forward motion of pressure boost pole 13. Meanwhile, hydraulic oil is input into the high-pressure oil cylinder 2 to drive the high-pressure piston 21 to move, and when the high-pressure piston 21 moves forwards, the extending end 22 of the high-pressure piston extends out of the front cover 24 to output pressure outwards. The pressure increasing rod 23 penetrates through the oil pressure channel 151 under the pushing of the front pressure increasing piston 11 and the rear pressure increasing piston 12, and compresses and increases the pressure of the hydraulic oil which is output from the oil storage cup 19 and enters the oil pressure channel 151 and the rodless cavity of the high-pressure oil cylinder 2 through the oil through hole 152, and the hydraulic oil transmits the pressure to the high-pressure piston 21, so that the effect of increasing the pressure when the high-pressure piston 21 outputs the pressure to the outside is achieved.
In the recovery stroke, the electromagnetic valve 17 switches the compressed air flow from the vent pipe 18 to enter the front pressurizing cavity 101 and the rear pressurizing cavity 102 of the pressurizing cylinder 1, pushes the front pressurizing piston 11 and the rear pressurizing piston 12 to reciprocate, and pulls the pressurizing rod 13 to retract from the high-pressure oil cylinder 2. Hydraulic oil or compressed gas is input into the high-pressure oil cylinder 2 to push the high-pressure piston 21 to move and reset, so that the extension end 22 of the high-pressure piston 21 resets and retracts. The high-pressure piston 21 can compress the hydraulic oil to flow back to the oil reservoir 19 through the oil passage 152.
In summary, the present invention has been made into practical samples according to the contents of the specification and the drawings, and after a plurality of use tests, the effect of the use tests proves that the present invention can achieve the intended purpose, and the practical value is undoubted. The above embodiments are only used to conveniently illustrate the present invention, and are not to the limitations of the present invention in any form, and any person who knows commonly has in the technical field, if in the scope of not departing from the technical features of the present invention, the equivalent embodiment of the present invention is used to make local changes or modifications, and the technical features of the present invention are not separated, and all the equivalent embodiments still belong to the technical features of the present invention.
Claims (11)
1. The utility model provides a double power booster-type unclamping cylinder pressure boost structure, includes pressurized cylinder (1), its characterized in that: a front pressurizing cavity (101) and a rear pressurizing cavity (102) are arranged in the pressurizing cylinder (1), a front pressurizing piston (11) and a rear pressurizing piston (12) are arranged in the front pressurizing cavity (101) and the rear pressurizing cavity (102), the front pressurizing piston (11) and the rear pressurizing piston (12) are connected through a pressurizing rod (13), and one end of the pressurizing rod (13) extends out of the pressurizing cylinder (1).
2. The double-force supercharged unclamping cylinder supercharging structure of claim 1, characterized in that: a middle pressurizing cover (16) is arranged between the front pressurizing cavity (101) and the rear pressurizing cavity (102), and the pressurizing rod (13) penetrates through the middle pressurizing cover (16).
3. The double-force booster-type unclamping cylinder boosting structure according to claim 1, characterized in that: the two ends of the booster cylinder (1) are provided with a rear cover (14) and a middle cover (15), and one end of the booster rod (13) penetrates through the middle cover (15).
4. The double-force booster-type unclamping cylinder boosting structure according to claim 1, characterized in that: an electromagnetic valve (17) and a vent pipe (18) are arranged on the booster cylinder (1), and the vent pipe (18) is connected with the front booster cavity (101), the rear booster cavity (102) and the electromagnetic valve (17).
5. The double-force booster-type unclamping cylinder boosting structure according to claim 1, characterized in that: the tail end shaft of pressure boost pole (13) is connected with buffering plunger (131), and rear cover (14) inboard is equipped with the cushion chamber (141) of intercommunication pressurized cylinder (1), and when pressure boost pole (13) backward motion reset, buffering plunger (131) holding is in cushion chamber (141).
6. The utility model provides a gas-liquid unclamping cylinder, includes high-pressure cylinder (2), its characterized in that: the rear end shaft of the high-pressure oil cylinder (2) is connected with a double-force supercharged unclamping cylinder supercharging structure of any one of the claims 1 to 5.
7. The gas-liquid unclamping cylinder of claim 6, characterized in that: the front end of the high-pressure piston (21) is an extension end (22), the extension end (22) extends out of the high-pressure oil cylinder (2), the rear end of the high-pressure piston (21) is provided with a pressurizing cavity (23) extending axially, and the pressurizing rod (13) extends into the pressurizing cavity (23) when moving forwards.
8. The air-liquid unclamping cylinder of claim 7, wherein: the front end of the high-pressure oil cylinder (2) is provided with a front cover (24), the rear end of the high-pressure oil cylinder is connected with the middle cover (15), and the extension end (22) can extend out of the front cover (24).
9. The gas-liquid unclamping cylinder of claim 7, characterized in that: the middle cover (15) is provided with an oil pressure channel (151), the oil pressure channel (151) is communicated with the high-pressure oil cylinder (2), and the pressure increasing rod (13) is movably arranged in the oil pressure channel (151) in a penetrating mode.
10. The air-liquid unclamping cylinder of claim 9, wherein: an oil storage cup (19) is arranged on the middle cover (15), an oil through hole (152) is arranged on the middle cover (15), and the oil through hole (152) is communicated with the oil storage cup (19) and the oil pressure channel (151).
11. The gas-liquid unclamping cylinder of claim 7, characterized in that: a notch (27) is formed in the side wall of the high-pressure oil cylinder (2), two travel switches (26) are arranged at two ends of the notch (27) at intervals, an induction sheet (28) is movably arranged in the notch (27), and the induction sheet (28) is arranged on the high-pressure piston (21).
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CN202222957802.4U CN218454861U (en) | 2022-11-04 | 2022-11-04 | Double-force booster-type unclamping cylinder pressure boost structure and gas-liquid unclamping cylinder thereof |
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CN202222957802.4U CN218454861U (en) | 2022-11-04 | 2022-11-04 | Double-force booster-type unclamping cylinder pressure boost structure and gas-liquid unclamping cylinder thereof |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116447179A (en) * | 2023-06-20 | 2023-07-18 | 烟台亮远液压技术有限公司 | Hydraulic supercharger capable of simultaneously outputting pushing force and pulling force |
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2022
- 2022-11-04 CN CN202222957802.4U patent/CN218454861U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116447179A (en) * | 2023-06-20 | 2023-07-18 | 烟台亮远液压技术有限公司 | Hydraulic supercharger capable of simultaneously outputting pushing force and pulling force |
CN116447179B (en) * | 2023-06-20 | 2023-08-18 | 烟台亮远液压技术有限公司 | Hydraulic supercharger capable of simultaneously outputting pushing force and pulling force |
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