Oval cotter pin riveting bolt die device
Technical Field
The utility model relates to the technical field of bolt molds, in particular to an elliptical cotter riveting bolt mold device.
Background
The cotter pin is a metal hardware, commonly known as a spring pin, is a mechanical part and is used for preventing loose in threaded connection, after a nut is screwed, the cotter pin is inserted into a nut groove and a bolt tail hole, the tail of the cotter pin is pulled open to prevent relative rotation of the nut and the bolt, and high-quality steel and a rigid material with good elasticity are required to be used for manufacturing the part;
The utility model discloses a cotter pin forming die, which comprises a frame, an upper die and a lower die, wherein the lower die is arranged at the middle position of the frame, the upper die is arranged on one side of the frame, and the upper die and the lower die correspond to each other.
However, the above patent has certain defects when in use, and the manufactured cotter pin needs to be manually taken out from the die to manufacture the next group of cotter pins, so that the working efficiency is reduced.
For this purpose, an elliptical cotter riveting bolt die device is proposed to solve the above-mentioned problems.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model provides an elliptical cotter riveting bolt die device.
The utility model is realized by adopting the following technical scheme:
The utility model provides an oval cotter riveting bolt die device, includes base, supporting leg and workstation, the supporting leg is equipped with two, fixes in the upper surface of base, the workstation is fixed in the upper end of supporting leg, workstation upper end symmetry is equipped with two support columns, the top of support column is equipped with the crossbeam, the crossbeam openly symmetry is equipped with two fixed plates, the fixed plate upper end is fixed with electric hydraulic cylinder, electric telescopic handle is equipped with to electric hydraulic cylinder's output, electric telescopic handle's bottom is equipped with the mounting panel;
The mounting plate is provided with a bending die and a cutting knife, the bending die is provided with a die cavity, a bending column is arranged right below the bending die, and the bending column is fixed on the front surface of the workbench;
The left and right sides symmetry of post of bending is equipped with ejecting hole, the side of workstation is equipped with the stopper, the stopper passes through the bolt fastening in the front of workstation, the workstation back is equipped with ejecting device, ejecting device is used for ejecting the cotter pin after bending from the workstation.
The ejection device comprises an ejection cylinder, the ejection cylinder is fixed on the back of the workbench through a support, the output end of the ejection cylinder is provided with a telescopic rod, the tail end of the telescopic rod is provided with a connecting plate, two ejector rods are symmetrically arranged on the connecting plate, and the ejector rods are arranged in ejection holes in a penetrating mode.
The side of workstation is equipped with conveyer, conveyer includes the transfer table, the lateral wall at the workstation is fixed to the transfer table, the transfer table back is equipped with the conveying motor, the output of conveying motor is equipped with the pivot, the pivot runs through the transfer table, the end of pivot is equipped with the initiative transfer wheel, the below of initiative transfer wheel is equipped with driven transfer wheel.
And two guide wheels are arranged on the conveying table.
The upper end of the base is provided with a collecting box, and the collecting box is positioned right below the bending column.
Compared with the prior art, the utility model has the following beneficial effects:
1. By arranging the ejection device on the back of the workbench, when the machining is finished, the ejection cylinder works, the ejection cylinder is driven by the motor or the pneumatic device to generate thrust to push the telescopic rod to move forwards, the connecting plate at the tail end of the telescopic rod drives the ejector rod to pass through the ejection hole, the cotter pin is ejected out of the workbench, and the ejected cotter pin falls into the collecting box, so that the follow-up collection or assembly is facilitated;
2. through setting up conveyer, conveying motor drive pivot is rotatory, and then drives initiative transfer wheel and driven transfer wheel rotation, and the leading wheel on the delivery platform ensures the stability of cotter pin in the conveying process, improves work efficiency greatly.
Drawings
FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;
FIG. 2 is a schematic side three-dimensional structure of the present utility model;
FIG. 3 is a schematic diagram of the front structure of the present utility model;
FIG. 4 is a schematic side elevational view of the present utility model;
FIG. 5 is a schematic view of a three-dimensional structure of an ejector according to the present utility model;
In the figure, 1, a base; 11, supporting legs, 12, a collecting box, 2, a workbench, 21, a bending column, 22, an ejection hole, 3, a mounting plate, 31, a bending die, 32, a cutting knife, 4, a conveying table, 41, a driving conveying wheel, 42, a driven wheel, 43, a guide wheel, 44, a conveying motor, 5, an ejection device, 51, an ejection cylinder, 52, a telescopic rod, 53, a connecting plate, 54, a push rod, 55, a bracket, 6, an electro-hydraulic cylinder, 61, a fixing plate, 7, a support column, 71, a chute, 72, a sliding block, 8, a cross beam, 9, a limiting block, 91, a bolt and 10.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
The utility model is further described below with reference to the accompanying drawings,
As shown in fig. 1 to 5, an elliptical cotter riveting bolt 91 die device comprises a base 1, two supporting legs 11 and a workbench 2, wherein the two supporting legs 11 are fixed on the upper surface of the base 1 to provide stable support for the workbench 2, the workbench 2 is fixed on the upper end of the supporting legs 11 and is used for installing and fixing various components, two supporting columns 7 are symmetrically arranged at the upper end of the workbench 2, a cross beam 8 is arranged at the top of each supporting column 7, two fixing plates 61 are symmetrically arranged on the front face of each cross beam 8, an electric hydraulic cylinder 6 is fixedly arranged at the upper end of each fixing plate 61, an electric telescopic rod 52 is arranged at the output end of each electric hydraulic cylinder 6, and a mounting plate 3 is arranged at the bottom of each electric telescopic rod 52;
The bending die 31 and the cutting knife 32 are arranged on the mounting plate 3 and used for bending and cutting the cotter pin, the die cavity is arranged on the bending die 31 and used for positioning the cotter pin to be processed, the bending column 21 is arranged right below the bending die 31 and fixed on the front surface of the workbench 2, when the mounting plate 3 drives the bending die 31 to descend, the cotter pin in the die cavity is bent into an ellipse by the bending column 21, and meanwhile, the cutting knife 32 is arranged at the position of the limiting block 9 and used for cutting the cotter pin to form a required riveting mode.
The left and right sides symmetry of post 21 of bending is equipped with ejecting hole 22, the side of workstation 2 is equipped with stopper 9, stopper 9 passes through bolt 91 to be fixed in the front of workstation 2, the workstation 2 back is equipped with ejecting device 5, ejecting device 5 is used for ejecting the cotter after bending from workstation 2.
The ejection device 5 comprises an ejection cylinder 51, the ejection cylinder 51 is fixed on the back of the workbench 2 through a bracket 55, a telescopic rod 52 is arranged at the output end of the ejection cylinder 51, a connecting plate 53 is arranged at the tail end of the telescopic rod 52, two ejector rods 54 are symmetrically arranged on the connecting plate 53, and the ejector rods 54 penetrate through the ejection holes 22. The ejector cylinder 51 is driven by an electric motor or a pneumatic device to generate thrust to push the telescopic rod 52 to move forwards, and the connecting plate 53 at the tail end of the telescopic rod 52 drives the ejector rod 54 to pass through the ejector hole 22 so as to eject the cotter pin from the workbench 2.
The side of workstation 2 is equipped with conveyer, conveyer includes transfer table 4, transfer table 4 fixes the lateral wall at workstation 2, the transfer table 4 back is equipped with transfer motor 44, transfer motor 44's output is equipped with the pivot, the pivot runs through transfer table 4, the end of pivot is equipped with initiative transfer wheel 41, the below of initiative transfer wheel 41 is equipped with driven transfer wheel. The transmission motor 44 drives the rotating shaft to rotate, so as to drive the driving transmission wheel 41 and the driven transmission wheel to rotate, and realize automatic transmission of the cotter pin.
The conveying table 4 is also provided with two guide wheels 43. The guide wheel 43 ensures stability of the cotter pin during transport.
The upper end of the base 1 is provided with a collecting box 12, and the collecting box 12 is positioned right below the bending column 21 and is used for collecting the ejected cotter pins. The collection box 12 is fixed to the base 1 by bolts 91 or other means, and its opening position corresponds to the ejection hole 22, ensuring that the cotter pin can fall smoothly therein.
When in use, the raw material 10 to be processed is placed at the appointed position of the conveying device, so that the raw material 10 is placed between the driving conveying wheel 41 and the driven conveying wheel, the equipment is started, and the conveying motor 44 drives the driving conveying wheel 41 to rotate, so that the raw material 10 is moved forwards;
The electric hydraulic cylinder 6 is started, the electric hydraulic cylinder 6 starts to work, the electric telescopic rod 52 is driven to move downwards, the electric telescopic rod 52 drives the mounting plate 3 and the bending die 31 and the cutting knife 32 on the mounting plate to move downwards until the die cavity of the bending die 31 is in full contact with the cotter pin, and the cotter pin is bent into an oval shape under the action of the bending die 31. At the same time, the cutter 32 cuts the cotter pin;
After bending and cutting are completed, the electric hydraulic cylinder 6 drives the electric telescopic rod 52 to move upwards, so that the bending die 31 and the cutting knife 32 leave the cotter pin, the ejection device 5 is started, the ejection cylinder 51 drives the telescopic rod 52 to move forwards, the connecting plate 53 at the tail end of the telescopic rod 52 drives the ejector rod 54 to pass through the ejection hole 22, the bent and cut cotter pin is ejected from the workbench 2, and the ejected cotter pin falls into the collecting box 12, so that the collecting process is completed.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.