Stamping overshoot protection structure
Technical Field
The utility model relates to a protection structure, in particular to a stamping overshoot protection structure, and belongs to the technical field of stamping.
Background
The stamping is a forming processing method which applies external force to plates, strips, pipes, profiles and the like by a press machine and a die to cause the plates, the strips, the pipes, the profiles and the like to generate plastic deformation or separation so as to obtain workpieces (stamped parts) with required shapes and sizes; the stamped blanks are mainly hot-rolled and cold-rolled steel sheets and strips. The position of the punching seat is not convenient to limit during punching, so that overshoot is easily caused, and the processing quality of a workpiece is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a stamping overshoot protection structure to solve the problem that the overshoot is easily caused and the processing quality of a workpiece is influenced in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a punching press protection architecture that overshoots, includes the punching press platform, the fixed plate that is equipped with in one side of punching press bench top, the fixed punching press cylinder that is equipped with in top of fixed plate, the fixed punching press seat that is equipped with of piston rod of punching press cylinder, the fixed limiting plate that is equipped with in one side of punching press seat, the fixed backup pad that is equipped with in one side of punching press platform, the fixed alignment jig that is equipped with in top of backup pad, the spout has been seted up at the middle part of alignment jig, the middle part of spout is rotated and is connected with connecting screw rod, the inside sliding connection of spout has the slider, the fixed screw nut who is equipped with and is connected screw rod threaded connection in middle part of slider, there is the stopper one side of slider through alignment jig fixed mounting, connecting screw rod's top is equipped with drive assembly.
Preferably, the drive assembly includes driven gear, mount, positive reverse motor and driving gear, driven gear is fixed to be set up the top of connecting the lead screw, the mount is fixed to be set up the top of alignment jig one side, positive reverse motor is fixed to be set up the one end of mount, the driving gear is fixed to be set up on the transmission shaft of positive reverse motor, the driving gear with driven gear meshing is connected.
Preferably, a plurality of buffer springs are fixedly arranged at the top ends of the limiting blocks, and a plurality of buffer blocks are fixedly arranged at the top ends of the buffer springs.
Preferably, the position of the limiting block corresponds to the position of the limiting plate.
Preferably, the other end of link is fixed and is equipped with the mounting panel, four corners of mounting panel all through fixing bolt with one side fixed connection of slider.
Preferably, one side of the adjusting frame is fixedly provided with scale marks.
Preferably, a switch panel is fixedly arranged on one side of the fixing plate, a stamping cylinder switch and a forward and reverse rotation motor switch are respectively arranged on the surface of the switch panel, and the stamping cylinder and the forward and reverse rotation motor are respectively electrically connected with the power supply through the stamping cylinder switch and the forward and reverse rotation motor switch.
Compared with the related art, the stamping overshoot protection structure provided by the utility model has the following beneficial effects:
1. the punching cylinder can drive the punching seat to move downwards to punch a workpiece, the punching depth of the punching seat is limited under the limiting action of the limiting plate and the limiting block, and the punching quality of the workpiece is prevented from being influenced by the overshoot of the punching seat on the workpiece;
2. the driving gear can be driven to rotate through the arranged forward and reverse rotating motor, the connecting lead screw is driven to rotate under the meshing fit of the driving gear and the driven gear, and the position of the limiting block is adjusted under the threaded fit of the connecting lead screw and the lead screw nut and the sliding fit of the sliding chute and the sliding block, so that the stamping depth of the stamping seat can be adjusted;
3. through the buffer spring and the buffer block that set up can play the effect of buffering to the punching press seat, prevent to cause the damage of spare part.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is an enlarged view of the structure at A of FIG. 2 according to the present invention;
fig. 4 is an enlarged schematic view of the driving assembly of the present invention.
In the figure: 1. a punching stage; 2. a fixing plate; 3. punching a cylinder; 4. punching a seat; 5. a limiting plate; 6. a support plate; 7. an adjusting bracket; 8. a chute; 9. connecting a screw rod; 10. a slider; 11. a feed screw nut; 12. a drive assembly; 1201. a driven gear; 1202. a fixed mount; 1203. a positive and negative rotation motor; 1204. a driving gear; 13. a connecting frame; 14. a limiting block; 15. a buffer spring; 16. a buffer block; 17. a switch panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1-4, the utility model provides a stamping overshoot protection structure, which comprises a stamping table 1, wherein a fixed plate 2 is fixedly arranged on one side of the top end of the stamping table 1, a stamping cylinder 3 is fixedly arranged on the top end of the fixed plate 2, a stamping seat 4 is fixedly arranged on a piston rod of the stamping cylinder 3, a limiting plate 5 is fixedly arranged on one side of the stamping seat 4, a supporting plate 6 is fixedly arranged on one side of the stamping table 1, an adjusting frame 7 is fixedly arranged on the top end of the supporting plate 6, a sliding groove 8 is formed in the middle of the adjusting frame 7, a connecting screw rod 9 is rotatably connected to the middle of the sliding groove 8, a sliding block 10 is slidably connected inside the sliding groove 8, a screw rod nut 11 in threaded connection with the connecting screw rod 9 is fixedly arranged in the middle of the sliding block 10, a limiting block 14 is fixedly arranged on one side of the sliding block 10 through a connecting frame 13, and a driving assembly 12 is arranged at the top of the connecting screw rod 9;
the top end of the limiting block 14 is fixedly provided with a plurality of buffer springs 15, and the top ends of the plurality of buffer springs 15 are fixedly provided with buffer blocks 16;
the position of the limiting block 14 corresponds to the position of the limiting plate 5;
the other end of the connecting frame 13 is fixedly provided with a mounting plate, and four corners of the mounting plate are fixedly connected with one side of the sliding block 10 through fixing bolts;
one side of the adjusting frame 7 is fixedly provided with scale marks;
fixed panel switch 17 that is equipped with in one side of fixed plate 2, panel switch 17's surface is equipped with the punching press cylinder switch, and punching press cylinder 3 passes through punching press cylinder switch and power electric connection.
Example 2:
the driving assembly 12 comprises a driven gear 1201, a fixed frame 1202, a forward and reverse rotation motor 1203 and a driving gear 1204, the driven gear 1201 is fixedly arranged at the top of the connecting screw rod 9, the fixed frame 1202 is fixedly arranged at the top of one side of the adjusting frame 7, the forward and reverse rotation motor 1203 is fixedly arranged at one end of the fixed frame 1202, the driving gear 1204 is fixedly arranged on a transmission shaft of the forward and reverse rotation motor 1203, and the driving gear 1204 is in meshed connection with the driven gear 1201;
a forward and reverse rotation motor switch is arranged on the surface of the switch panel 17, and the forward and reverse rotation motor 1203 is electrically connected with a power supply through the forward and reverse rotation motor switch;
specifically, as shown in fig. 1, 2, and 4, the forward and reverse rotation motor 1203 is controlled to operate by a forward and reverse rotation motor switch, then the forward and reverse rotation motor 1203 drives the driving gear 1204 to rotate, and then the driving gear 1204 and the driven gear 1201 are meshed and matched to drive the connecting screw rod 9 to rotate.
The working principle is as follows: when the device is used, a workpiece to be punched is firstly placed on the punching table 1, the position of the workpiece corresponds to that of the punching seat 4, then the forward and reverse motor 1203 is controlled to work through the forward and reverse motor switch, the forward and reverse motor 1203 drives the driving gear 1204 to rotate, the driving gear 1204 is meshed with the driven gear 1201 to drive the connecting screw rod 9 to rotate, the sliding block 10 is driven to move under the threaded fit of the connecting screw rod 9 and the screw rod nut 11 and the sliding fit of the sliding chute 8 and the sliding block 10, so that the position of the limiting block 14 is adjusted, then the piston rod of the punching cylinder 3 is controlled to extend through the punching cylinder switch to drive the punching seat 4 to move downwards, the workpiece is punched, when the limiting block 5 moves downwards to be in contact with the limiting block 14, the punching effect on the punching of the punching seat 4 is achieved, and the influence on the quality of the workpiece caused by the overshoot of the punching seat 4 is prevented, and the buffer spring 15 and the buffer block 16 arranged on the surface of the limiting block 14 can play a role of buffering the punching seat 4, so that the damage of parts is prevented.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.