CN113305182A - Bending forming device with pressurizing locking mechanism - Google Patents
Bending forming device with pressurizing locking mechanism Download PDFInfo
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- CN113305182A CN113305182A CN202110442014.9A CN202110442014A CN113305182A CN 113305182 A CN113305182 A CN 113305182A CN 202110442014 A CN202110442014 A CN 202110442014A CN 113305182 A CN113305182 A CN 113305182A
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- pressurizing
- cylinder
- locking mechanism
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- transverse plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/04—Bending sheet metal along straight lines, e.g. to form simple curves on brakes making use of clamping means on one side of the work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/002—Positioning devices
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- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
A bending forming device with a pressurizing locking mechanism comprises a rack, a lifting mechanism, the pressurizing locking mechanism and a bending mechanism; the pressurizing locking mechanism comprises an upper transverse plate and a pressing plate, wherein a pressurizing mechanism and a locking mechanism are arranged in the upper transverse plate and the pressing plate, the pressurizing mechanism comprises a small-diameter pressurizing cylinder, a large-diameter pressurizing cylinder, a pressurizing plunger piston and a pressurizing plunger piston, the small-diameter pressurizing cylinder, the large-diameter pressurizing cylinder, the pressurizing plunger piston and the pressurizing plunger piston are communicated through an oil way, the pressurizing plunger piston is connected with the pressurizing cylinder in a sliding and sealing fit manner, and the pressurizing plunger piston is connected with the pressurizing cylinder in a sliding and sealing fit manner; the lifting mechanism drives the upper transverse plate and the pressing plate to move rapidly, when the pressing plate moves to a preset position, the lifting mechanism stops moving, the position of the upper transverse plate is fixed through the locking mechanism, the power mechanism works to drive the pressing plunger to move in the pressing cylinder, the pressure in the hydraulic cavity rises, and the pressing plunger is forced to drive the pressing plate to act to press the workpiece. The scheme can generate larger working pressure to meet the requirement of thick plate part forming, and can reduce the size of the drive transmission mechanism and reduce the cost.
Description
Technical Field
The invention relates to the technical field of forming equipment, in particular to a bending forming device with a pressurizing locking mechanism.
Background
At present, on an automatic bending production line, a robot is needed to be used for placing a plate on a bending workbench, then a pressing device quickly descends to press a plate workpiece, a bending cross beam ascends to bend, the pressing device quickly returns, and the robot moves to rotate the workpiece and then repeatedly presses the plate and bends.
The bending process requires enough pressing force, if the pressing force is not enough, the workpiece is shifted during bending, so that the bending process cannot be continued, the pressing force required by the bending process is related to the thickness of the plate, and the thicker the plate is, the larger the required pressing force is.
The pressing device is generally driven by a servo motor through a lead screw transmission mechanism and is generally used for forming thin plates, when the plates are thick, the plates cannot be formed due to movement of the plates caused by insufficient pressure, and the size and the cost of equipment can be increased by increasing the specifications of the servo motor and the lead screw.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a bending forming device with a pressurizing locking mechanism, which can generate larger working pressure by optimizing the structure of the pressurizing mechanism so as to meet the forming requirement of thick plate parts, reduce the size of a driving transmission mechanism and reduce the cost.
The technical scheme adopted by the invention is as follows: a bending forming device with a pressurizing locking mechanism comprises a rack, a quick lifting mechanism arranged on the rack, a pressurizing locking mechanism connected to the quick lifting mechanism and used for pressing a workpiece, and a bending mechanism used for bending the workpiece; the pressurizing locking mechanism comprises an upper transverse plate and a pressing plate, wherein the pressurizing mechanism and the locking mechanism are arranged inside the upper transverse plate, the pressing plate is connected to the upper transverse plate, when the pressing plate moves to a preset position, the locking mechanism locks the position of the upper transverse plate, and the pressing plate outputs large pressure and presses a workpiece through the pressurizing mechanism.
The pressurizing mechanism comprises a pressurizing cylinder and a pressurizing cylinder which are communicated through an oil way, and a pressurizing plunger which are respectively connected with the pressurizing cylinder and the pressurizing cylinder in a sliding and sealing fit manner, the upper end of the pressurizing plunger passes through an upper transverse plate and is connected with a power mechanism, the lower end of the pressurizing plunger passes through an upper transverse plate and is connected with a pressing plate, the locking mechanism comprises a restraining cylinder, a restraining plunger which is in sliding fit in the restraining cylinder, and a side pin which is connected with the restraining plunger, the restraining cylinder works, and the restraining plunger drives the side pin to move and is matched with a restraining plate on the rack to restrain the movement of the upper transverse plate; the pressure applying cylinder, the pressure boosting cylinder and the constraint cylinder are communicated through an oil way to form a hydraulic cavity; the quick lifting mechanism drives the upper transverse plate and the pressing plate to move quickly, when the pressing plate moves to a preset position, the quick lifting mechanism stops moving, the power mechanism works to drive the pressing plunger to move downwards, so that the pressure in the hydraulic cavity rises, the position of the upper transverse plate is fixed through the locking mechanism, the pressure in the hydraulic cavity continues rising, and the pressurizing plunger is forced to drive the pressing plate to act to press the workpiece tightly.
Further optimization, the number of the pressure cylinders is two or more, the pressure cylinders are symmetrically distributed on two sides of the pressure cylinder, and the pressure plunger in each pressure cylinder is fixedly connected with the pressure plate.
Further preferably, the rapid lifting mechanism comprises a lifting servo motor, a lead screw and a nut connected to the lead screw, the lead screw is rotatably arranged on the rack and driven by the lifting servo motor, the nut is fixed on the upper transverse plate, and the upper transverse plate moves through transmission of the lead screw and the nut.
Further optimized, the constraint cylinders are symmetrically arranged on two sides of the pressure application cylinder.
Further preferably, the end surfaces of the side pin and the restraint plate are respectively provided with a convex-concave structure, and when the side pin is matched with the restraint plate, the convex-concave structures on the end surfaces of the side pin and the restraint plate are mutually meshed.
Preferably, the convex-concave structure is a sawtooth structure.
Further optimization, the rack is internally provided with a guide rail which plays a role in guiding the upper transverse plate and the pressing plate.
The invention has the beneficial effects that:
in one of them, this scheme, through optimizing pressure boost locking mechanism, specifically do: the pressurizing locking mechanism comprises an upper transverse plate and a pressing plate, wherein a pressurizing mechanism and a locking mechanism are arranged inside the upper transverse plate, the pressing plate is connected to the upper transverse plate, when the pressing plate moves to a preset position, the locking mechanism locks the position of the upper transverse plate, and the pressurizing mechanism outputs large pressure to the pressing plate and compresses a workpiece.
Furthermore, the pressurizing mechanism comprises a pressure application cylinder and a plurality of pressure cylinders which are communicated through an oil way, and a pressure application plunger which are respectively connected with the pressure application cylinder and the pressure cylinders in a sliding and sealing fit manner, the sum of the cross sectional areas of the plurality of pressure cylinders is larger than the cross sectional area of a single pressure application cylinder, the upper end of the pressure application plunger penetrates through the upper transverse plate and is connected with the power mechanism, the lower end of the pressure application plunger penetrates through the upper transverse plate and is connected with the pressure plate, and the pressure mechanism outputs large pressure to the pressure plate and compresses the workpiece; through the structure, the device can generate larger working pressure to meet the requirement of thick plate part forming, and can effectively reduce the equipment size and reduce the equipment cost.
In the second scheme, the lifting mechanism drives the pressurizing locking mechanism to perform quick no-load descending and slow contact on the plate blank, and the blank is pressed at a slow speed. During return stroke, the pressure of the compression plate can be relieved firstly, and then the return stroke is rapid. Is beneficial to improving the production efficiency and saving energy and reducing consumption.
Thirdly, in this scheme, be equipped with the locking mechanism to going up the locking of horizontal plate position among the pressure boost locking mechanism, specifically do: the locking mechanism comprises a restraining cylinder, a restraining plunger which is in sliding fit in the restraining cylinder and a side pin which is connected with the restraining plunger, the restraining cylinder works, the side pin is driven by the restraining plunger to move and is matched with a restraining plate on the rack to restrain the movement of the upper transverse plate, the lifting mechanism stops working at the moment, the reaction force is borne by the upper transverse plate and the restraining plate when pressurization forming is carried out, and the lifting mechanism does not need to bear load.
Drawings
FIG. 1 is a schematic structural diagram of one embodiment of the present invention;
FIG. 2 is a side view of FIG. 1;
fig. 3 is a schematic structural view of the side pin and the constraining plate in fig. 1.
Reference numerals: 1. the hydraulic press comprises a frame, 2 parts of side pins, 3 parts of an upper transverse plate, 4 parts of a constraint plate, 5 parts of a pressure plate, 6 parts of a guide rail, 7 parts of a workbench, 8 parts of a large nut, 9 parts of a servo motor, 10 parts of a pressure plunger, 11 parts of a lead screw, 12 parts of a pressure plunger, 13 parts of a spring, 14 parts of a constraint plunger, 15 parts of a screw, 16 parts of a screw, 17 parts of a spring, 18 parts of a nut, 20 parts of a bending beam, m parts of constraint surfaces of the side pins, n parts of constraint surfaces of the constraint plate, a parts of an oil way, b parts of a pressure cylinder, c parts of a pressure cylinder and d parts of a constraint cylinder.
Detailed Description
The invention is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
It should be noted that: unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" and "an" or "the" and similar referents in the description and claims of the present invention are not to be construed as limiting in number, but rather as indicating the presence of at least one. The word "comprise" or "comprises", and the like, indicates that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, but does not exclude other elements or items having the same function.
A bending forming device with a pressurizing locking mechanism mainly comprises a rack, a quick lifting mechanism arranged on the rack, a pressurizing locking mechanism connected to the quick lifting mechanism and used for pressing a workpiece, and a bending mechanism used for bending the workpiece; the pressurizing locking mechanism comprises an upper transverse plate and a pressing plate, the upper transverse plate is internally provided with a pressurizing mechanism and a locking mechanism, the pressing plate is connected with the upper transverse plate, the pressurizing mechanism comprises a pressurizing cylinder, a pressurizing plunger and a pressurizing plunger, the pressurizing plunger is connected with the pressurizing cylinder in a sliding sealing fit manner, the upper end of the pressurizing plunger penetrates through the upper transverse plate and is connected with a power mechanism, the lower end of the pressurizing plunger penetrates through the upper transverse plate and is connected with the pressing plate, and the pressurizing mechanism outputs large pressure to the pressing plate and presses a workpiece; the locking mechanism comprises a restraining cylinder, a restraining plunger which is in sliding fit with the restraining cylinder and a side pin which is connected with the restraining plunger, the restraining cylinder works, and the restraining plunger drives the side pin to move and is matched with a restraining plate on the rack to restrain the movement of the upper transverse plate; the pressure applying cylinder, the pressure boosting cylinder and the constraint cylinder are communicated through an oil way to form a hydraulic cavity;
the working process is as follows: the quick lifting mechanism drives the upper transverse plate and the pressing plate to move quickly, when the pressing plate moves to a preset position, the quick lifting mechanism stops moving, the power mechanism works to drive the pressing plunger to move downwards, so that the pressure in the hydraulic cavity rises, the position of the upper transverse plate is fixed through the locking mechanism, the pressure in the hydraulic cavity continues rising, and the pressurizing plunger is forced to drive the pressing plate to act to press the workpiece tightly.
In the scheme, a plurality of pressure cylinders can be arranged and are even, the pressure cylinders are symmetrically distributed on two sides of the pressure cylinder and are respectively communicated with the pressure cylinder through oil passages, the sum of the cross sectional areas of the pressure cylinders is larger than that of a single pressure cylinder, when the pressure applying plunger in the pressure cylinder is driven, the pressure in the whole hydraulic cavity is increased, the pressure applying plungers in all the pressure cylinders are forced to synchronously move, and the pressure output is increased. It is also possible to provide only one pressure cylinder of large diameter.
In the scheme, the quick lifting mechanism comprises a lifting servo motor, a lead screw and a nut connected to the lead screw, the lead screw is rotatably arranged on the rack and driven by the lifting servo motor, the nut is fixed on the upper transverse plate, and the upper transverse plate moves through the transmission of the lead screw and the nut.
In the scheme, the locking mechanism is driven by the pressure of the hydraulic cavity as a driving force, and can also be driven by an independent hydraulic system.
In the scheme, the rack is internally provided with a guide rail which plays a role in guiding the upper transverse plate and the pressing plate.
Examples 1,
The specific structure of one embodiment of the present invention is described in detail below with reference to the accompanying drawings: as shown in fig. 1 and 2, a bending forming device with a pressurizing locking mechanism mainly comprises a frame 1, a fast lifting mechanism arranged on the frame, and a pressurizing locking mechanism connected to the fast lifting mechanism for compressing a workpiece and a bending mechanism for bending the workpiece, and the working process of the bending forming device is as follows: the rapid lifting mechanism drives the pressurizing locking mechanism to rapidly move, when the rapid lifting mechanism moves to a preset position, the rapid lifting mechanism stops moving, the pressurizing locking mechanism works to provide a large working pressure to compress a workpiece, and then the bending mechanism acts to bend the workpiece into a preset shape;
in this embodiment, the lifting mechanism includes a lifting servo motor (not shown in the drawings) and a screw nut transmission mechanism for transmission movement, the screw 11 is mounted at the upper end of the frame 1, the screw 11 is rotated by the lifting servo motor, the nut 19 is fixed on the upper transverse plate 3, and the rotation of the screw 11 can move the upper transverse plate 3 up and down;
in the embodiment, the pressurizing locking mechanism mainly comprises an upper transverse plate 3, a servo motor 9 arranged on the upper transverse plate 3, a pressing plate 5 connected with the upper transverse plate 3, a pressurizing mechanism which is arranged in the upper transverse plate 3 and can apply pressure to the pressing plate, and a locking mechanism used for restricting the movement of the upper transverse plate 3, wherein the pressurizing mechanism comprises a pressure applying cylinder c and four pressurizing cylinders b, and the locking mechanism comprises a restricting cylinder d; the four pressure cylinders b are divided into two groups and symmetrically arranged at the two sides of the pressure cylinder c; the structure adopts a plurality of pressure cylinders b, the cross section area of the pressure cylinders b is far larger than that of the pressure cylinder c, so that the pressure cylinders b have larger pressure ratio, a smaller servo motor 9 can be adopted to generate larger pressing force, and the thick plate can be bent and formed;
in this embodiment, the upper part of the pressing plunger 10 is of a threaded structure, is matched with the large nut 8 through the threaded structure, is connected with the servo motor 9 through the head part, and is driven by the servo motor 9 to rotate the pressing plunger 10 to move downwards or upwards;
in the embodiment, the locking mechanism comprises a restraint plunger 14 arranged in the upper transverse plate 3 and in sliding fit with the restraint cylinder d and a side pin 2 connected with the restraint plunger 14, and the restraint plunger 14 pushes the side pin 2 to move and is matched with a restraint plate 4 on the rack 1 to restrain the movement of the upper transverse plate through the transmission pressure of a pressure transmission medium in a hydraulic cavity; as shown in fig. 3, the side pins 2 and the side surfaces m and n capable of meshing with each other on the restraining plate 4 are alternately provided with a plurality of uniform sawtooth convex-concave structures, the stress surface has a small inclination in operation, and the stress surface is approximately vertical to the stress direction, so that the generated lateral component force is small; a plurality of small convex-concave structures can generate large constraint force and the required movement stroke is small;
in the embodiment, the side pin 2 is connected in the concave hole on the side surface of the upper transverse plate 3 through the screw 13 and the spring 15, and the structure can realize better guiding effect and bearing effect when the side pin moves.
In the embodiment, the upper transverse plate 3 is connected with the pressing plate 5 through the screw 16 and the spring 17, and the structure can ensure that the pressurizing piston can still drive the pressing plate to generate a certain displacement when the position of the upper transverse plate is locked; the upper transverse plate 3 and the pressing plate 5 are guided between the guide rail 6 and the frame 1.
When the pressing mechanism works, the servo motor 9 drives the pressing plunger 10 to rotate and move downwards through the thread mechanism, the hydraulic cavity generates oil pressure, the hydraulic cavity drives the restraining cylinder d to work through oil circuit transmission pressure, the restraining plunger 14 pushes the side pin 2 to move to be matched with the restraining block 4, and the upper transverse plate 3 is restrained; and then the pressing plunger 10 continues to move downwards, the pressure of the hydraulic cavity rises, the pressurizing plunger 12 is forced to move downwards to drive the pressing plate 5 to move to press the plate workpiece 18, and as can be seen from the attached drawing 2, the bending cross beam positioned below the workpiece moves upwards under the driving of the power mechanism and bends and forms the workpiece.
Since the working stroke of the side pin 2 and the lower cross plate 5 is short, the stroke of the pressing plunger 10 is also short.
The downward direction of movement of the parts in fig. 1 and 2 is referred to as the down direction and the upward direction of movement is the return direction; the direction of movement of the transverse restraint mechanism from the center to the two sides is called the forward direction, and the reverse direction is the return direction.
The action process of the embodiment is as follows:
step one, the bending machine works, a plate workpiece 18 is placed on a bending workbench 7 according to requirements through a robot, a main servo motor (not shown) of a lifting mechanism drives a lead screw 11 to rotate, an upper transverse plate 3 and a pressing plate 5 are driven to rapidly descend through a nut 19, and the workpiece is slowly descended and pressed to touch when approaching the workpiece;
secondly, the servo motor 9 works to drive the pressing plunger 10 to move downwards, the oil pressure of the hydraulic cavity rises, and at the moment, because the movement resistance of the side pin 2 is far smaller than the pressure of the equipment, the pressure oil of the hydraulic cavity firstly pushes the side pin 2 to move forwards through the restraining plunger 14, so that a restraining surface m on the side pin is meshed with a restraining surface n of the restraining plate 4, and the upper transverse plate 3 is restrained;
thirdly, the pressurizing plunger 10 continues to move, the oil pressure of the hydraulic cavity continuously rises, the pressurizing plunger 12 is forced to drive the lower transverse plate 5 to move downwards a little, and the workpiece is compressed and pressure is maintained;
fourthly, the driving mechanism drives the bending beam 20 to move upwards (the driving mechanism is not shown), and the workpiece is bent;
step five, bending the beam 20 to return, reversely rotating the servo motor 9, returning the pressure applying plunger 10, gradually reducing and eliminating the oil pressure of the hydraulic cavity, resetting the lower transverse plate 5 under the action of the spring 17, and resetting the side pin 2 under the action of the elastic force of the spring 13;
and step six, reversing the main servo motor, retreating the pressing mechanism, changing the positions of the plate workpieces 18 by the robot, and repeating the actions until the edges of one workpiece are all bent.
The whole pressurizing and locking mechanism can move up and down rapidly under the drive of the lead screw, has a large die opening and closing stroke, does not need to generate pressure, and is convenient for process operation; when the pressing action is carried out, the pressing device has a larger pressurization effect and meets the process requirement of pressing the plate.
The occlusion structure of the embodiment of the invention adopts a sawtooth convex-concave structure, and in other embodiments, a semicircular groove and a semicircular bulge can also be adopted; surfaces with greater roughness or other surface structures that increase the restraining force may also be used.
According to the embodiment of the invention, the servo motor is adopted to drive the lead screw to work, the stepping motor can also be adopted to drive the lead screw to work, and an electric cylinder can be used for replacing the servo motor and the lead screw transmission mechanism to drive the supercharging device to rapidly move up and down. Similarly, an electric cylinder may be used to operate the pressurizing plunger.
The embodiment of the invention adopts a screw transmission mechanism of a lifting mechanism, and can also drive the supercharging device to rapidly move up and down through a rapid transmission mechanism such as a cloth belt mechanism or a steel wire mechanism.
The pressure applying plunger in the embodiment of the invention adopts a plunger structure with a thread structure, or adopts the thread structure to be matched with a large nut, the pressure applying plunger is separately arranged, a spring is additionally arranged below the plunger, and the plunger can move up and down without rotating through the thread structure and the spring.
The embodiment of the invention is used on an automatic bending and forming line, and the mechanism can be also used for forming processes such as liquid die forging and the like.
It should be noted that while the invention has been described in terms of the above-mentioned embodiments, other embodiments are also possible. It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended that all such changes and modifications be covered by the appended claims and their equivalents.
Claims (8)
1. A bending forming device with a pressurizing locking mechanism comprises a rack, a quick lifting mechanism arranged on the rack, a pressurizing locking mechanism connected to the quick lifting mechanism and used for pressing a workpiece, and a bending mechanism used for bending the workpiece; the method is characterized in that: the pressurizing locking mechanism comprises an upper transverse plate and a pressing plate, wherein the pressurizing mechanism and the locking mechanism are arranged inside the upper transverse plate, the pressing plate is connected to the upper transverse plate, when the pressing plate moves to a preset position, the locking mechanism locks the position of the upper transverse plate, and the pressing plate outputs large pressure and presses a workpiece through the pressurizing mechanism.
2. The bending forming device with the pressurization locking mechanism according to claim 1, characterized in that: the pressurizing mechanism comprises a pressurizing cylinder and a pressurizing cylinder which are communicated through an oil way, and a pressurizing plunger which are respectively connected with the pressurizing cylinder and the pressurizing cylinder in a sliding and sealing fit manner, the upper end of the pressurizing plunger penetrates through an upper transverse plate and is connected with a power mechanism, the lower end of the pressurizing plunger penetrates through an upper transverse plate and is connected with a pressing plate, the locking mechanism comprises a restraining cylinder, a restraining plunger which is in sliding fit in the restraining cylinder, and a side pin which is connected with the restraining plunger, the restraining cylinder works, and the restraining plunger drives the side pin to move and is matched with a restraining plate on the rack to restrain the movement of the upper transverse plate; the pressure applying cylinder, the pressure boosting cylinder and the constraint cylinder are communicated through an oil way to form a hydraulic cavity; the quick lifting mechanism drives the upper transverse plate and the pressing plate to move quickly, when the pressing plate moves to a preset position, the quick lifting mechanism stops moving, the power mechanism works to drive the pressing plunger to move downwards, so that the pressure in the hydraulic cavity rises, the position of the upper transverse plate is fixed through the locking mechanism, the pressure in the hydraulic cavity continues rising, and the pressurizing plunger is forced to drive the pressing plate to act to press the workpiece tightly.
3. The bending forming device with the pressurization locking mechanism according to claim 2, characterized in that: the pressurizing cylinders are provided with two or more than two, the plurality of pressurizing cylinders are symmetrically distributed on two sides of the pressurizing cylinder, and a pressurizing plunger in each pressurizing cylinder is fixedly connected with the pressing plate.
4. The bending forming device with the pressurization locking mechanism according to claim 1, characterized in that: the quick lifting mechanism comprises a lifting servo motor, a lead screw and a nut connected to the lead screw, the lead screw is rotatably arranged on the rack and driven by the lifting servo motor, the nut is fixed on the upper transverse plate, and the upper transverse plate moves through the transmission of the lead screw and the nut.
5. The bending forming device with the pressurization locking mechanism according to claim 2, characterized in that: the constraint cylinders are symmetrically arranged on two sides of the pressure application cylinder.
6. The bending forming device with the pressurization locking mechanism according to claim 2, characterized in that: convex-concave structures are arranged on the end surfaces of the side pins and the end surfaces of the restraining plates, and when the side pins are matched with the restraining plates, the convex-concave structures on the end surfaces of the side pins and the restraining plates are mutually meshed.
7. The bending forming device with the pressurization locking mechanism according to claim 6, characterized in that: the convex-concave structure is in a sawtooth shape.
8. The bending forming device with the pressurization locking mechanism according to claim 1, characterized in that: the rack is also internally provided with a guide rail which plays a role in guiding the upper transverse plate and the pressing plate.
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CN202110442014.9A CN113305182B (en) | 2021-04-23 | 2021-04-23 | Bending forming device with pressurizing locking mechanism |
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CN202110442014.9A CN113305182B (en) | 2021-04-23 | 2021-04-23 | Bending forming device with pressurizing locking mechanism |
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CN113305182B CN113305182B (en) | 2022-08-12 |
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Cited By (1)
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CN117840286A (en) * | 2024-03-08 | 2024-04-09 | 江苏振江新能源装备股份有限公司 | Positioning tool for forming split blocks of tower barrel of wind turbine |
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Application publication date: 20210827 Assignee: Luoyang Luhe Mechanical Equipment Technology Co.,Ltd. Assignor: HENAN University OF SCIENCE AND TECHNOLOGY Contract record no.: X2022980025523 Denomination of invention: A bending forming device with pressurized locking mechanism Granted publication date: 20220812 License type: Common License Record date: 20230103 |
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