High-precision closed single-point press

Abstract

The utility model relates to the field of press machines, in particular to a high-precision closed single-point press machine which comprises a machine frame, a lifting frame arranged on the machine frame in a sliding mode, a first telescopic mechanism arranged at the upper end of the machine frame and connected with the lifting frame, a pressing die arranged at the lower end of the lifting frame, and a fixed die arranged on the machine frame below the pressing die. A second telescopic mechanism is arranged on the rear side of the pressing die, a push plate is arranged at the end of the second telescopic mechanism, a horizontal sliding mechanism is arranged on the front side of the pressing die and comprises a sliding block, a rocker arm is hinged to the sliding block, and an electromagnet is arranged at the end of the rocker arm. The automatic blanking device has the function of automatically blanking, and the labor intensity of personnel is reduced.

Description

Technical Field

[0001] The utility model relates to the field of presses, in particular to a high-precision closed single-point press. Background Art

[0002] Closed single-point press is a branch of press machinery. Closed single-point press can complete cold stamping processes such as blanking, forming, bending, shallow drawing, and correction. It is often used in industrial manufacturing fields such as automobiles, agricultural machinery, motors, household appliances, light industry, instruments and meters, aviation, and weapons. High-precision closed single-point press can improve the accuracy of parts processing. Closed single-point press has a wide range of applications in the field of steel plate bending. The closed single-point press used in the existing steel plate bending mechanism cannot unload materials autonomously, and personnel are required to unload materials before loading them. The labor intensity is relatively high. Therefore, it is particularly necessary to develop a high-precision closed single-point press that can unload materials autonomously. Summary of the invention

[0003] The utility model aims to provide a high-precision closed single-point press machine, which has the function of autonomous material unloading and reduces the labor intensity of personnel.

[0004] The technical solutions adopted are as follows:

[0005] A high-precision closed single-point press comprises a frame, a lifting frame is slidingly arranged on the frame, a first telescopic mechanism connected to the lifting frame is arranged at the upper end of the frame, a die is arranged at the lower end of the lifting frame, a fixed die is arranged on the frame below the die, a second telescopic mechanism is arranged on the rear side of the die, a push plate is arranged at the end of the second telescopic mechanism, a horizontal sliding mechanism is arranged on the front side of the die, the horizontal sliding mechanism comprises a slider, a rocker arm is hinged on the slider, and an electromagnet is arranged at the end of the rocker arm.

[0006] Preferably, the horizontal sliding mechanism includes a plurality of horizontally extending guide shafts, the slider is slidably connected to the guide shafts, a bracket is provided on the slider, the rocker arm is rotatably connected to the bracket by a pin shaft, a driven gear is fixedly provided at the end of the rocker arm, a rotating mechanism is provided on the slider, the rotating mechanism is provided with a driving gear meshing with the driven gear, a third telescopic mechanism parallel to the guide shaft is provided on the frame, and the third telescopic mechanism is connected to the slider.

[0007] Preferably, the third telescopic mechanism and the second telescopic mechanism are both pneumatic telescopic rods.

[0008] Preferably, the first telescopic mechanism is a hydraulic telescopic rod.

[0009] Preferably, the rocker arm is a pneumatic telescopic rod.

[0010] Compared with the prior art, the beneficial effects are:

[0011] 1. The utility model utilizes the second telescopic mechanism and the push plate to push the workpiece out of the bottom film, utilizes the electromagnet installed on the rocker arm to absorb the workpiece, moves the slider to push the workpiece out of the frame, rotates the rocker arm to make the electromagnet and the workpiece closer to the silo, closes the electromagnet, and the workpiece falls into the silo under the action of gravity.

[0012] 2. The rocker arm of the utility model is a pneumatic telescopic rod, which is convenient for adjusting the length of the rocker arm to adapt to silos of different heights. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a three-dimensional structural schematic diagram of a high-precision closed single-point press of the utility model.

[0014] Figure 2 yes Figure 1 The structural diagram at A in the middle,

[0015] Figure 3 This is a left-side structural schematic diagram of a high-precision closed single-point press of the utility model.

[0016] In the figure: 1, frame, 2, lifting frame, 3, first telescopic mechanism, 4, pressing die, 5, fixed die, 6, second telescopic mechanism, 7, push plate, 8, slider, 9, rocker arm, 10, guide shaft, 11, bracket, 12, driven gear, 13, driving gear, 14, rotating mechanism, 15, third telescopic mechanism, 16, electromagnet. DETAILED DESCRIPTION

[0017] The present invention will be further described below in conjunction with specific embodiments. Figures 1 to 3 As shown:

[0018] Embodiment 1: A high-precision closed single-point press comprises a frame 1, a lifting frame 2 is slidably provided on the frame 1, a first telescopic mechanism 3 connected to the lifting frame 2 is provided at the upper end of the frame 1, the first telescopic mechanism 3 controls the lifting frame 2 to rise or fall, a pressing die 4 is provided at the lower end of the lifting frame 2, a fixed die 5 is provided on the frame 1 below the pressing die 4, and the pressing die 4 is pressed down on the fixed die 5 to achieve bending of the steel plate,

[0019] A second telescopic mechanism 6 is provided at the rear side of the die 4, a push plate 7 is provided at the end of the second telescopic mechanism 6, the push plate 7 corresponds to the fixed die 5, the second telescopic mechanism 6 pushes the push plate 7 to push out the workpiece placed in the fixed die 5, and a horizontal sliding mechanism is provided at the front side of the die 4, the horizontal sliding mechanism includes a slider 8, the slider 8 moves away from or close to the fixed die 5,

[0020] A rocker arm 9 is hinged on the slider 8, and an electromagnet 16 is arranged at the end of the rocker arm 9. The second telescopic mechanism 6 and the push plate push the workpiece in the bottom film, and the electromagnet 16 installed on the rocker arm 9 is used to absorb the workpiece. The slider 8 moves to push the workpiece to the outside of the frame 1, and the rocker arm 9 is rotated to make the electromagnet 16 and the workpiece closer to the silo. The electromagnet 16 is closed and the workpiece falls into the silo under the action of gravity;

[0021] Embodiment 2: A high-precision closed single-point press comprises a frame 1, a lifting frame 2 is slidably provided on the frame 1, a first telescopic mechanism 3 connected to the lifting frame 2 is provided at the upper end of the frame 1, the first telescopic mechanism 3 controls the lifting frame 2 to rise or fall, a pressing die 4 is provided at the lower end of the lifting frame 2, a fixed die 5 is provided on the frame 1 below the pressing die 4, the pressing die 4 descends and presses on the fixed die 5 to achieve bending of the steel plate, the first telescopic mechanism 3 is a hydraulic telescopic rod,

[0022] A second telescopic mechanism 6 is provided at the rear side of the die 4, a push plate 7 is provided at the end of the second telescopic mechanism 6, the push plate 7 corresponds to the fixed die 5, the second telescopic mechanism 6 pushes the push plate 7 to push out the workpiece placed in the fixed die 5, and a horizontal sliding mechanism is provided at the front side of the die 4, the horizontal sliding mechanism includes a slider 8, the slider 8 moves away from or close to the fixed die 5,

[0023] A rocker arm 9 is hinged on the slider 8, and the horizontal sliding mechanism includes a plurality of horizontally extending guide shafts 10. The slider 8 is slidably connected to the guide shafts 10. A bracket 11 is provided on the slider 8. The rocker arm 9 is rotatably connected to the bracket 11 by a pin shaft. A driven gear 12 is fixedly provided at the end of the rocker arm 9. A rotating mechanism 14 is provided on the slider. The rotating mechanism 14 is provided with a driving gear 13 meshing with the driven gear 12. A third telescopic mechanism 15 parallel to the guide shaft 10 is provided on the frame 1. The third telescopic mechanism 15 is connected to the slider 8. The third telescopic mechanism 15 and the second telescopic mechanism 6 are both pneumatic telescopic rods.

[0024] An electromagnet 16 is provided at the end of the rocker arm 9, and the rocker arm 9 is a pneumatic telescopic rod, which is convenient for adjusting the length of the rocker arm 9.

[0025] The specific working process is as follows: the steel plate is placed on the fixed die 5, the first telescopic mechanism 3 drives the die 4 to descend to bend the steel plate, and then the die 4 is controlled to rise, the second telescopic mechanism 6 and the push plate push the workpiece in the bottom film, and the electromagnet 16 installed on the rocker arm 9 is used to adsorb the workpiece, the slider 8 moves to push the workpiece to the outside of the frame 1, the rocker arm 9 is rotated to make the electromagnet 16 and the workpiece closer to the silo, and the electromagnet 16 is closed to allow the workpiece to fall into the silo under the action of gravity.

[0026] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A high-precision closed single-point press, characterized in that: It includes a frame, a lifting frame is slidingly arranged on the frame, a first telescopic mechanism connected to the lifting frame is arranged at the upper end of the frame, a die is arranged at the lower end of the lifting frame, a fixed die is arranged on the frame below the die, a second telescopic mechanism is arranged at the rear side of the die, a push plate is arranged at the end of the second telescopic mechanism, a horizontal sliding mechanism is arranged at the front side of the die, the horizontal sliding mechanism includes a slider, a rocker arm is hinged on the slider, and an electromagnet is arranged at the end of the rocker arm.

2. A high-precision closed single-point press as claimed in claim 1, characterized in that: The horizontal sliding mechanism includes multiple horizontally extending guide shafts, the slider is slidably connected to the guide shafts, a bracket is arranged on the slider, the rocker arm is rotatably connected to the bracket by a pin shaft, a driven gear is fixedly arranged at the end of the rocker arm, a rotating mechanism is arranged on the slider, the rotating mechanism is provided with a driving gear meshing with the driven gear, a third telescopic mechanism parallel to the guide shaft is arranged on the frame, and the third telescopic mechanism is connected to the slider.

3. A high-precision closed single-point press as claimed in claim 2, characterized in that: The third telescopic mechanism and the second telescopic mechanism are both pneumatic telescopic rods.

4. A high-precision closed single-point press as claimed in claim 1, characterized in that: The first telescopic mechanism is a hydraulic telescopic rod.

5. A high-precision closed single-point press as claimed in claim 1, characterized in that: The rocker arm is a pneumatic telescopic rod.

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