Energy-saving device of hydraulic press
Technical Field
The utility model relates to the technical field of hydraulic presses and discloses an energy-saving device of a hydraulic press.
Background
The hydraulic press is a machine which uses liquid as working medium and is made according to Pascal principle and is used for transferring energy to implement various processes, and is generally formed from three portions of self-machine (main machine), power system and hydraulic control system, and the hydraulic press is classified into valve hydraulic press, liquid hydraulic press and engineering hydraulic press, and is commonly used for pressing process and press forming process, such as forging, stamping, cold extrusion, straightening, bending, flanging, sheet drawing, powder metallurgy and press mounting, etc..
However, the prior art patents suffer from several drawbacks:
(1) After the workpiece is machined, the workpiece may adhere to the device and be difficult to remove.
(2) The hydraulic press needs extra equipment to position when processing raw materials, improves production cost, and increases energy loss.
Disclosure of utility model
The utility model aims to provide an energy-saving device of a hydraulic machine, which solves the problems that a workpiece is inconvenient to take down and additional equipment is required to position in the prior art by arranging a movable top plate and a clamping assembly.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
an energy saving device for a hydraulic machine, comprising:
the upper end surface of the workbench is provided with a chute;
The support table is in an inverted U shape, the bottom end of the support table is fixedly connected with the workbench, and through grooves are formed in the surfaces of the left end and the right end of the support table;
The hydraulic cylinder is fixedly connected with the supporting table;
the upper end of the pressing plate is fixedly connected with a hydraulic cylinder, the left end and the right end of the pressing plate are respectively provided with an extension rod, and the extension rods are in sliding connection with a connecting groove;
The bottom end of the placing table is fixedly connected with the workbench;
The clamping assembly is located above the workbench.
Further, the surface of the placing table is provided with a plurality of equidistant grooves, sliding columns are arranged in the grooves, the sliding columns are connected with the placing table in a sliding manner, and a top disc is arranged at the upper end of the sliding columns.
Further, the sliding column bottom is provided with a reset spring, the reset spring bottom is fixedly connected with a placing table, the cross sections of the groove and the top disc are circular, and the radius of the top disc is slightly smaller than that of the groove.
Further, the clamping assembly includes:
The double-end screw is positioned in the chute, the left end and the right end of the double-end screw are both rotationally connected with the workbench, and gears are arranged at the left end and the right end of the double-end screw;
The upper ends of the racks are fixedly connected with the extension rod;
The movable rods are two, the movable rods are connected with the sliding grooves in a sliding mode, the transverse plates are arranged at the two ends, close to each other, of the movable rods, and the clamping plates are arranged at the two sides, close to each other, of the transverse plates.
Further, a plurality of telescopic columns which are distributed at equal intervals are arranged between the transverse plate and the clamping plate, and the surfaces of the telescopic columns are sleeved with second springs.
Further, the gear is meshed with the rack, and the bottom end of the moving rod is in threaded connection with the double-ended screw rod.
The utility model provides an energy-saving device of a hydraulic machine, which has the following beneficial effects:
(1) According to the hydraulic press, the movable top plate is arranged, so that the problem that an existing hydraulic press cannot automatically jack up a workpiece is solved, when the hydraulic cylinder extrudes the workpiece, the top plate can be lowered to enter the groove, and after the workpiece is machined, the reset spring can push the top plate to lift up by utilizing elasticity, so that the workpiece is jacked up, and the workpiece is convenient to take off.
(2) According to the hydraulic press, the clamping assembly is arranged, so that the problem that the existing hydraulic press needs to fix a workpiece by means of other equipment is solved, when the hydraulic cylinder pushes the pressing plate to descend, the pressing plate drives the rack to move downwards through the extension rod, so that the gear is driven to rotate, the gear drives the double-head screw to rotate, the two moving rods are further made to be close to each other, the workpiece can be fixed when the clamping plate is attached to the workpiece, other equipment is not needed, and energy is greatly saved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.
FIG. 1 is a schematic three-dimensional structure of an energy-saving device of a hydraulic press according to the present utility model;
FIG. 2 is a schematic view of another three-dimensional structure of an energy saving device of a hydraulic press according to the present utility model;
FIG. 3 is a schematic view of the internal structure of a placement table of an energy-saving device of a hydraulic press according to the present utility model;
FIG. 4 is an enlarged view of the hydraulic machine economizer of FIG. 1A according to the present utility model;
FIG. 5 is an enlarged view of the hydraulic machine economizer of the present utility model at B in FIG. 2;
FIG. 6 is an enlarged view of FIG. 2C of an economizer of the hydraulic machine according to the present utility model;
the device comprises a workbench, 101, a sliding chute, 2, a supporting table, 201, a through groove, 3, a hydraulic cylinder, 4, a pressing plate, 401, an extension rod, 5, a placing table, 501, a groove, 502, a sliding column, 503, a top disc, 504, a return spring, 6, a clamping component, 601, a double-head screw, 602, a gear, 603, a rack, 604, a moving rod, 605, a transverse plate, 606, a clamping plate, 607, a telescopic column, 608 and a second spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, an energy-saving device for a hydraulic press comprises a workbench 1, wherein a chute 101 is arranged on the upper end surface of the workbench 1, a supporting table 2 is arranged on the upper end of the workbench 1, the supporting table 2 is in an inverted U shape, through grooves 201 are formed in the left and right end surfaces of the supporting table 2, a hydraulic cylinder 3 is arranged on the upper end of the supporting table 2, a pressing plate 4 is arranged at the bottom end of the hydraulic cylinder 3, the hydraulic cylinder 3 can push the pressing plate 4 to move in the vertical direction so as to squeeze a workpiece, extension rods 401 are arranged at the left and right ends of the pressing plate 4, the extension rods 401 are slidably connected with the through grooves 201, a placing table 5 is arranged at the upper end of the workbench 1 and used for placing the workpiece, and a clamping assembly 6 is arranged above the workbench 1 and can automatically clamp the workpiece.
Specifically, the surface of the placing table 5 is provided with a plurality of equidistant grooves 501, a sliding column 502 is arranged in the grooves 501, the sliding column 502 is in sliding connection with the placing table 5, the sliding column 502 can slide up and down in the placing table 5, a top disc 503 is arranged at the upper end of the sliding column 502, a return spring 504 is arranged at the bottom end of the sliding column 502, the bottom end of the return spring 504 is fixedly connected with the placing table 5, the return spring 504 can push the sliding column 502 by utilizing elasticity, the cross sections of the grooves 501 and the top disc 503 are circular, and the radius of the top disc 503 is slightly smaller than that of the grooves 501, so that the sliding column can enter the grooves 501.
Through the above technical scheme, when the hydraulic cylinder 3 extrudes the workpiece, the top plate 503 can be lowered to enable the workpiece to enter the groove 501, after the workpiece is machined, the return spring 504 can push the top plate 503 to ascend by utilizing elasticity, and then the workpiece is jacked up, so that the workpiece is convenient to take off.
Specifically, the clamping assembly 6 includes a double-end screw 601, the screw thread directions of two ends of the double-end screw 601 are opposite, the double-end screw 601 is located inside the chute 101, the left end and the right end of the double-end screw 601 are both rotationally connected with the workbench 1, gears 602 are respectively arranged at the left end and the right end of the double-end screw 601, racks 603 are arranged at the rear side of the gears 602, the gears 603 are meshed with the racks 603, the gears 602 can be driven to rotate when the racks 603 move, the upper ends of the racks 603 are fixedly connected with the extension rod 401, the surfaces of the left end and the right end of the double-end screw 601 are both sleeved with the movable rod 604, the movable rod 604 is slidably connected with the chute 101, the movable rod 604 can rotate along with the double-end screw 601 and move in the chute 101, transverse plates 605 are respectively arranged at one ends, two transverse plates 605 are respectively close to each other, a plurality of equidistant telescopic columns 607 are respectively arranged at one sides of the two transverse plates 605, a plurality of equidistant telescopic columns 607 are sleeved with a second spring 608, and the second spring 608 is sleeved on the surface of the telescopic columns 608, and the second spring 608 can provide buffering for the clamping plates 606 so as to fix workpieces with different sizes.
Through the technical scheme, when the hydraulic cylinder 3 pushes the pressing plate 4 to descend, the pressing plate 4 drives the rack 603 to move downwards through the extension rod 401, then drives the gear 602 to rotate, and the gear 602 drives the double-headed screw 601 to rotate, so that the two moving rods 604 are close to each other, when the clamping plate 606 is attached to a workpiece, the workpiece can be fixed, other equipment is not needed, and energy is greatly saved.
When the workpiece is used, the workpiece is sent on the placing table 5, the hydraulic cylinder 3 is started, the hydraulic cylinder 3 pushes the pressing plate 4 to descend, the pressing plate 4 drives the rack 603 to move downwards through the extension rod 401, the gear 602 is driven to rotate, the gear 602 drives the double-headed screw 601 to rotate, the two moving rods 604 are further made to be close to each other, when the clamping plates 606 are attached to the workpiece, the workpiece can be fixed, meanwhile, the pressing plate 4 enables the top plate 503 to descend so that the workpiece enters the groove 501, after the workpiece is machined, the pressing plate 4 ascends, the two clamping plates 606 are mutually away from each other to release the workpiece, the reset spring 504 can push the top plate 503 to ascend by utilizing elasticity, and then the workpiece is jacked up, so that the workpiece is convenient to take down.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited thereto, but may be modified or substituted for some of the technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.