CN210733370U - Double-acting short-stroke downward pressing type composite material hydraulic machine - Google Patents
Double-acting short-stroke downward pressing type composite material hydraulic machine Download PDFInfo
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- CN210733370U CN210733370U CN201920689580.8U CN201920689580U CN210733370U CN 210733370 U CN210733370 U CN 210733370U CN 201920689580 U CN201920689580 U CN 201920689580U CN 210733370 U CN210733370 U CN 210733370U
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Abstract
The utility model discloses a double acting short stroke pushes down formula combined material hydraulic press mainly includes: stand, locking means, last workstation, return stroke jar, lower workstation, auxiliary hydraulic cylinder, main hydraulic cylinder, base, lock female etc, the utility model discloses have the structural style of double acting workstation, big opening, short stroke, down-pressing formula, can realize the high-speed idle stroke motion of long distance and the quick build-up pressure suppression of short time of combined material hydraulic press, reduced the manufacturing cost and the installed power of combined material hydraulic press to the production efficiency and the efficiency of combined material hydraulic press have been promoted effectively.
Description
Technical Field
The utility model relates to a combined material hydraulic press especially relates to a double acting short stroke pushes down formula combined material hydraulic press.
Background
The composite material compression molding stroke is less, generally does not exceed about 100 millimeters, but in order to adapt not die and the automatic demand of co-altitude, the opening of composite material hydraulic press is greater than the shaping stroke far away, so the actual stroke of composite material hydraulic press main hydraulic cylinder extremely does not match with required effective stroke. The long-stroke main hydraulic cylinder driving mode of the traditional composite material hydraulic cylinder machine causes unnecessary material waste; the problem of rapid pressure build-up in the volume of the large control cavity is also caused, and the phenomenon of power mismatch, waste of idle consumption and the like in the whole working cycle period are caused; the opening and closing time of the charging valve of the main hydraulic cylinder reduces the working efficiency of the hydraulic machine.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel double acting short stroke pushes down formula combined material hydraulic press scheme can realize that the high-speed idle stroke of long distance motion builds the pressure with the short time is fast and suppresses for the hydraulic press matches in whole duty cycle period internal power, the efficiency promotes.
The technical scheme of the utility model as follows:
the utility model discloses mainly include: the hydraulic control device comprises a stand column, a locking device, an upper workbench, a return cylinder, a lower workbench, an auxiliary hydraulic cylinder, a main hydraulic cylinder, a base and a locking nut. Stand, locking means, last workstation, base, lock mother constitute a closed frame: the outer surface of the upper side of the upright post is processed with a tooth shape, and the upright post passes through the locking device, the upper workbench, the base and the locking nut; when the locking device is released, the upper workbench can move up and down; when the locking device is locked tightly, the upper workbench is locked and fixed; a matching guide device is arranged between the upright post and the upper workbench. The return cylinder piston rod is fixed in the support of last workstation, and the return cylinder body is fixed in the support of base, and the return cylinder is used for adjusting the speed and the lift workstation return stroke when the workstation leans on the dead weight to fall down fast, and the return cylinder still has the horizontal function of workstation on adjusting. The lower working table can move up and down, the lower working table is penetrated by the upright post, and a matching guide device is arranged between the lower working table and the upright post. The piston rods of the auxiliary hydraulic cylinder and the main hydraulic cylinder are arranged on the lower plane of the lower workbench, and the cylinder bodies of the auxiliary hydraulic cylinder and the main hydraulic cylinder are arranged on the base. The main hydraulic cylinder is a plunger cylinder and is used for driving the lower workbench to move upwards and providing main pressing force. The auxiliary hydraulic cylinder is a piston cylinder and is used for driving the lower workbench to move up and down, providing partial pressing force and adjusting the level of the lower workbench. The upper workbench and the lower workbench are used for installing an upper die and a lower die.
Further, a single locking device comprises 1 shell, 2 jaws and 2 locking cylinders. The shell is fixed on the upper surface of the upper workbench; a piston rod of the locking cylinder is arranged on the clamping jaw, and a cylinder body of the locking cylinder is arranged on the shell; the inner cylindrical surface of the clamping jaw is processed with a tooth shape; the jack catch is arranged in the shell, and a matching guide device is arranged between the jack catch and the shell. When the locking cylinder extends out, 2 claws are embraced in the shell, at the moment, the claws are meshed with the tooth form of the upright column, and the claws and the upright column cannot move relatively; when the locking cylinder retreats, 2 jack catchs in the casing, and the profile of tooth separation of jack catch and stand this moment, stand can be for the jack catch up-and-down motion.
The utility model has the advantages as follows:
1. the utility model is used for the main hydraulic cylinder stroke of drive hydraulic press suppression is short, compares with traditional mode and has saved the material.
2. The utility model discloses master cylinder control holds the chamber volume little, builds the pressure velocity and can promote under the same power configuration, and the while release speed is also faster, can make the hydraulic press in whole duty cycle period power even, promoted efficiency and work efficiency.
3. The utility model discloses for the traditional drive scheme of combined material hydraulic press no longer need the prefill valve, saved the time that waits for the prefill valve to open, close, further promoted the work efficiency of hydraulic press.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the middle locking device of the present invention.
In fig. 1: 1-upright column, 2-locking device, 3-upper working table, 4-lower working table, 5-return cylinder, 6-auxiliary hydraulic cylinder, 7-main hydraulic cylinder, 8-base and 9-locking nut.
In fig. 2: 2.1-shell, 2.2-claw and 2.3-locking cylinder.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, the present invention mainly comprises: the hydraulic control device comprises a stand column 1, a locking device 2, an upper workbench 3, a return cylinder 4, a lower workbench 5, an auxiliary hydraulic cylinder 6, a main hydraulic cylinder 7, a base 8 and a lock nut 9. Upright 1, locking means 2, last workstation 3, base 8, lock mother 9 constitute a closed frame: the outer surface of the upper side of the upright post 1 is processed with a tooth shape, and the upright post 1 passes through the locking device 2, the upper workbench 3, the base 8 and the lock nut 9; when the locking device 2 is released, the upper workbench 3 can move up and down; when the locking device 2 is tightly held, the upper workbench 3 is locked and fixed; a matching guide device is arranged between the upright post 1 and the upper workbench 3. The piston rod of the return cylinder 4 is fixed on the support of the upper working table 3, the cylinder body of the return cylinder 4 is fixed on the support of the base 8, the return cylinder 4 is used for adjusting the speed of the upper working table 3 when falling down fast by self weight and lifting the upper working table 3 for return stroke, and the return cylinder 4 also has the function of adjusting the level of the upper working table 3. The lower table 5 can move up and down, the lower table 5 is penetrated by the upright 1 and a matching guide device is arranged between the two. The piston rods of the auxiliary hydraulic cylinder 6 and the main hydraulic cylinder 7 are mounted on the lower plane of the lower table 5, and the cylinders of the auxiliary hydraulic cylinder 6 and the main hydraulic cylinder 7 are mounted on the base 8. The master cylinder 7 is a plunger cylinder for driving the lower table 5 to move upward, and provides a main pressing force. The sub hydraulic cylinder 6 is a piston cylinder for driving the lower table 5 up and down, providing a partial pressing force, and for adjusting the level of the lower table 5. The upper workbench 3 and the lower workbench 5 are used for installing an upper die and a lower die.
Referring to fig. 2, the single locking device 2 of the present invention includes 1 housing 201, 2 jaws 202, and 2 locking cylinders 203. The housing 201 is fixed on the upper surface of the upper table 3; a piston rod of the locking cylinder 203 is mounted on the claw 202, and a cylinder body of the locking cylinder 203 is mounted on the shell 201; the inner cylindrical surface of the clamping jaw 202 is processed with a tooth shape; the claw 202 is arranged in the shell 201, and a matching guide device is arranged between the claw 202 and the shell 201. When the locking cylinder 203 extends out, 2 claws 202 are embraced in the shell 201, at the moment, the claws 202 are meshed with the tooth form of the upright post 1, and the claws 202 and the upright post 1 cannot move relatively; when the locking cylinder 203 retracts, 2 claws 202 retract in the shell 201, the claws 202 are separated from the tooth form of the upright 1, and the upright 1 can move up and down relative to the claws.
Without loss of generality, the utility model discloses a combined material hydraulic press comprises 4 stands 1, 4 locking means 2, 1 upward workstation 3, 4 return stroke jar 4, 1 lower workstation 5, 4 auxiliary hydraulic cylinder 6, 2 main hydraulic cylinder 7, 1 base 8, 4 lock nuts 9 etc. when technical scheme applied.
Now use combined material hydraulic press single duty cycle as the example to introduce the utility model discloses a working process:
hovering: at the beginning of the working cycle, the upper working platform 3 is supported by 4 return cylinders 4 and hovers at the upper stroke end, and 4 locking devices 2 are released.
Quickly getting down: the control valves of the 4 return cylinders 4 are opened, the upper workbench 3 starts to move downwards at an accelerated speed under the action of self gravity, the return cylinders 4 control the hydraulic medium in the containing cavity to be quickly discharged, and the control valves of the return cylinders 4 generate back pressure due to throttling action to enable the return cylinders 4 to form upward reaction force. As the speed of the upper table 3 increases, the reaction force of the return cylinder 4 also increases; when the resultant reaction force of the 4 return cylinders 4 is equal to the gravity of the upper workbench 3, the upper workbench 3 is fast lowered at a constant speed, and the fast lowering speed is adjusted by the opening of the control valve of the return cylinders 4.
And (3) sealing: the opening degree of the control valves of the 4 return cylinders 4 is gradually reduced, the resultant force of the reaction of the 4 return cylinders 4 is greater than the gravity of the upper workbench 3, and the upper workbench 3 starts to decelerate; when the speed of the upper workbench 3 is close to 0, the electric and hydraulic systems synchronously control the 4 return cylinders 4 so as to ensure the level of the upper workbench 3; when the upper workbench 3 stops, the height of an opening formed by the upper workbench 3 and the lower workbench 5 is the sum of the height of the die and the pressing stroke; 4 locking device 2 locks after last workstation 3 stops, and 4 stand 1, 4 locking device 2, last workstation 3, base 8, 4 lock are female 9 to constitute a closed fixed frame.
Pressing: the lower workbench 5 is driven by 2 main hydraulic cylinders 7 and 4 auxiliary hydraulic cylinders 6 to move upwards to complete die assembly pressing; in the pressing process, an electric system and a hydraulic system synchronously control 4 auxiliary hydraulic cylinders 6 so as to ensure the level of the lower workbench 5, so that the upper workbench 3 and the lower workbench 5 can be accurately parallel to ensure the forming quality of workpieces.
Resetting: the 4 locking devices 2 are released, the main hydraulic cylinder 7 and the 4 auxiliary hydraulic cylinders 6 drive the lower workbench 5 to move upwards to the initial position, and meanwhile, the 4 return cylinders 4 lift the upper workbench 3 to return to the initial height.
Micro-return: when the hydraulic machine is not used for a long time, the locking device 2 is in a clamping state so as to ensure safety, the return cylinder 4 gradually reduces the supporting pressure due to leakage of a hydraulic medium, the clamping jaw 2.2 of the locking device 2 and the upright post 1 form a large meshing force under the action of the gravity of the upper workbench 3, and the upper workbench 3 slightly returns for a certain distance under the lifting action of the return cylinder 4 so as to release the meshing force when the hydraulic machine is started next time. During the inching process, the 4 return cylinders 4 are likewise synchronously controlled.
To sum up, the utility model discloses the last compound die suppression distance of adaptation only needs to the master cylinder stroke of hydraulic press, compares with traditional hydraulic press the utility model discloses well master cylinder's length can be reduced greatly, has not only saved the material, and master cylinder's appearance chamber volume also reduces greatly, holds hydraulic medium's in the intracavity build-up pressure time, release time and all can shorten greatly. Furthermore the utility model discloses well master cylinder no longer participates in fast process down, so need not dispose the prefill valve, saved the time that waits for the prefill valve to open, close, work efficiency can further improve.
Claims (2)
1. A double-acting short-stroke downward-pressing type composite material hydraulic machine is characterized in that: the method mainly comprises the following steps: stand (1), locking means (2), go up workstation (3), return cylinder (4), workstation (5), auxiliary hydraulic cylinder (6), main hydraulic cylinder (7), base (8), lock mother (9) down, a closed frame is constituteed in stand (1), locking means (2), last workstation (3), base (8), lock mother (9): the outer surface of the upper side of the upright post (1) is processed with a tooth form, and the upright post (1) passes through the locking device (2), the upper workbench (3), the base (8) and the lock nut (9); when the locking device (2) is released, the upper workbench (3) can move up and down; when the locking device (2) is tightly held, the upper workbench (3) is locked and fixed; a matching guide device is arranged between the upright post (1) and the upper workbench (3); a piston rod of the return cylinder (4) is fixed on a support of the upper workbench (3), a cylinder body of the return cylinder (4) is fixed on the support of the base (8), the return cylinder (4) is used for adjusting the speed of the upper workbench (3) when the upper workbench falls down rapidly by self weight and lifting the upper workbench (3) for return stroke, and the return cylinder (4) also has the function of adjusting the level of the upper workbench (3); the lower working table (5) can move up and down, the lower working table (5) is penetrated by the upright post (1), and a matching guide device is arranged between the lower working table and the upright post; the piston rods of the auxiliary hydraulic cylinder (6) and the main hydraulic cylinder (7) are arranged on the lower plane of the lower workbench (5), and the cylinder bodies of the auxiliary hydraulic cylinder (6) and the main hydraulic cylinder (7) are arranged on the base (8); the main hydraulic cylinder (7) is a plunger cylinder and is used for driving the lower workbench (5) to move upwards and providing main pressing force; the auxiliary hydraulic cylinder (6) is a piston cylinder and is used for driving the lower workbench (5) to move up and down, providing partial pressing force and adjusting the level of the lower workbench (5); the upper workbench (3) and the lower workbench (5) are used for installing an upper die and a lower die.
2. A double acting short stroke down-pressing composite material hydraulic machine as claimed in claim 1, characterised in that: the single locking device (2) comprises 1 shell (201), 2 jaws (202) and 2 locking cylinders (203); the shell (201) is fixed on the upper surface of the upper workbench (3); a piston rod of the locking cylinder (203) is arranged on the clamping jaw (202), and a cylinder body of the locking cylinder (203) is arranged on the shell (201); the inner cylindrical surface of the clamping jaw (202) is processed with a tooth shape; the clamping jaw (202) is arranged in the shell (201), and a matching guide device is arranged between the clamping jaw (202) and the shell (201); when the locking cylinder (203) extends out, 2 claws (202) are embraced in the shell (201), at the moment, the claws (202) are meshed with the tooth form of the upright post (1), and the claws (202) and the upright post (1) can not move relatively; when the locking cylinder (203) retracts, 2 clamping jaws (202) retract in the shell (201), the clamping jaws (202) are separated from the tooth form of the upright post (1), and the upright post (1) can move up and down relative to the clamping jaws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920689580.8U CN210733370U (en) | 2019-05-15 | 2019-05-15 | Double-acting short-stroke downward pressing type composite material hydraulic machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920689580.8U CN210733370U (en) | 2019-05-15 | 2019-05-15 | Double-acting short-stroke downward pressing type composite material hydraulic machine |
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| CN210733370U true CN210733370U (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920689580.8U Active CN210733370U (en) | 2019-05-15 | 2019-05-15 | Double-acting short-stroke downward pressing type composite material hydraulic machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110001106A (en) * | 2019-05-15 | 2019-07-12 | 南通锻压设备如皋有限公司 | A kind of double acting short stroke press-down type composite material hydraulic machine |
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2019
- 2019-05-15 CN CN201920689580.8U patent/CN210733370U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110001106A (en) * | 2019-05-15 | 2019-07-12 | 南通锻压设备如皋有限公司 | A kind of double acting short stroke press-down type composite material hydraulic machine |
| CN110001106B (en) * | 2019-05-15 | 2024-06-07 | 南通锻压设备如皋有限公司 | Double-acting short-stroke down-pressing type composite hydraulic machine |
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