CN103991234B - Transmission double station punching machine - Google Patents

Abstract

The invention discloses a kind of driven type double-station punching machine, it comprises lathe and at least one punching press station, it is characterized in that: the drive unit described lathe being arranged power input element and drive described power input element to rotate, the two ends of described power input element respectively arrange a leading screw, described in two, the axis of leading screw is located along the same line, and described in two, the thread rotary orientation of leading screw is contrary, helical pitch is identical; Each described leading screw is all threaded a nut, each described nut is all fixed a hinged slide; Each described punching press station all arranges a drift slide block, and drift slide block described in two is with the axis of described leading screw for symmetry axis is symmetrical arranged, and all hinged two toggle links on each described drift slide block, the other end of toggle link described in two distinguishes hinged slide described in hinged.The present invention adopts the mode of double punching press simultaneously, and production efficiency is greatly improved, and center of gravity is low, good stability.

Description

Transmission double station punching machine

technical field

The invention belongs to the field of machinery, and relates to a transmission type double-station stamping machine, in particular to a horizontal numerical control double-station stamping machine.

Background technique

At present, the traditional mechanical stamping machines are all vertical. On a vertical stamping machine, it is difficult to realize double-station stamping or double-station stamping, and a CNC workbench is often required; the double-station vertical stamping with a CNC workbench is more complicated in structure, and the rigidity of the workbench Poor; in addition, the cost of the whole system is relatively high. Modern manufacturing, especially the manufacture of electronic appliances, communications and other products, has an increasingly urgent demand for high-efficiency, low-power automatic stamping machines, and traditional mechanical stamping machines are obviously unable to meet this demand.

Contents of the invention

In order to solve the above problems, the present invention provides a transmission-type double-station punching machine with simple structure, high degree of automation and intelligence, and high production efficiency.

The technical solution of the present invention is to provide a transmission-type double-station stamping machine, which includes a machine tool and two stamping stations, and is characterized in that: the machine tool is equipped with a power input element and drives the power input element to rotate around its own axis A driving device, the two ends of the power input element are respectively provided with a threaded screw, the axes of the two threaded screws are located on the same straight line, and the screw threads of the two threaded screws are opposite in direction and have the same lead; each of the threaded screws A nut is threaded on the bar, and a hinged sliding seat is fixed on each nut; each stamping station is provided with a punch slider, and the two punch sliders are connected with the lead screw. The axes are arranged symmetrically, and each of the punch sliders is hinged with two toggles, and the other ends of the two toggles are respectively hinged with a hinged slide seat.

Preferably, the driving device is a servo motor, and the driving device drives the power input element to rotate through a synchronous toothed pulley or a gear.

Preferably, the machine tool has a horizontal symmetrical layout.

Preferably, a mold is provided at the stamping station, and a guide groove for guiding the workpiece to be processed is provided between the two punch sliders and the mold.

Preferably, the screw is a ball screw, balls are arranged between the nut and the screw, and a spiral raceway for the balls to roll is arranged on the screw.

Preferably, at the end of punching by the punch slider, the two toggles are perpendicular to the lead screw.

The transmission-type double-station punching machine of the present invention makes the symmetrical synchronous motion originally realized by the complex mechanical transmission device intelligent and flexible; the symmetrical synchronous motion arranged on the two sliders is transmitted to the Two punch sliders constitute a new type of CNC double-station punching machine. The punching machine has a toggle mechanism in a traditional mechanical punching machine, which can realize force amplification during the punching process, and can also realize stroke amplification when the punch returns. Due to the fully symmetrical force design, the lateral force on the punch slider is theoretically zero. Therefore, compared with the traditional mechanical stamping machine bearing lateral force, the service life of the punch slider has been greatly improved. In addition, due to the simultaneous stamping of double stations, the production efficiency can be greatly improved. Due to the horizontal layout of the machine tool, compared with the traditional vertical stamping machine tool, the center of gravity is low and the stability is good. In addition, on both sides of the machine tool, a stepping device for automatic feeding is installed, which can form a high-efficiency and automatic stamping machine tool.

Description of drawings

Fig. 1 is a schematic structural view of the preferred embodiment of the transmission-type double-station stamping machine of the present invention in the state to be stamped;

Fig. 2 is a schematic diagram of the structure of the best embodiment of the transmission type double station punching machine of the present invention when the punching is completed.

detailed description

Specific embodiments of the present invention will be further described in detail below.

As shown in Figures 1 and 2, a transmission-type double-station stamping machine of the present invention includes a horizontal symmetrical layout machine tool (not shown) and two stamping stations 10, the stamping station 10 in this embodiment For the structure of stamping sheet-shaped materials, the stamping station 10 is provided with a mold 12 , and a guide groove 14 for guiding the workpiece to be processed is provided between the two punch sliders 26 and the mold 12 . Of course, the present invention can also be applied to stamping materials of other structures, and these are all improvements that can be easily imagined by those skilled in the art based on the content of the present invention. The machine tool is provided with a power input element 16 and a driving device (not shown) for driving the power input element 16 to rotate. The driving device can adopt servo motor or ordinary motor. The driving device drives the power input element 16 to rotate through a synchronous toothed pulley or a gear.

The power input element 16 is a cylinder, and its two ends are provided with a lead screw 18, 20 respectively. The axes of the two lead screws 18, 20 are located on the same straight line. thread. Certainly, those skilled in the art can also design a new scheme of setting multi-section threads on the lead screws 18, 20 according to the design ideas of the present invention, only by ensuring that the threads are symmetrically arranged on the two lead screws 18 with the power input element 16 as a symmetrical point. , 20, so that 4 stations, 6 stations... can be realized. Taking the two stations of this embodiment as an example, a nut 221, 222 is threaded on each lead screw 18, 20, and a hinged slide 24 is fixed on each nut 221, 222; each stamping station 10 A punch slider 26 is all set, and two punch sliders 26 are symmetrically arranged with the axis of the leading screw 18,20, and two toggle levers 28 are hinged on each punch slider 26, and the other of the two toggle levers 28 One end is hinged to a hinged sliding seat 24 respectively. Its working principle is that the drive device drives the power input element 16 to rotate, and drives the nuts 221, 222 to move relative or oppositely along the lead screws 18, 20. When the nuts 221 and 222 move synchronously inwardly at the same time, the toggle 28 hinged on the hinged slide 24 will push the two punch sliders 26 to move toward the workpiece. Because the toggle 28 mechanism is a stroke amplification mechanism when its pressure angle is large, and it is a force amplification mechanism when its pressure angle is small, therefore, the machine tool can realize rapid movement during idle stroke and work stroke. The larger output force; the smaller the pressure angle, the greater the punching force. After the stamping process is finished, the nuts 221, 222 move outward synchronously, and the toggle lever 28 hinged on the hinged slide 24 will drive the two punch sliders 26 to move away from the workpiece to realize quick retreat.

Further, the lead screws 18, 20 are ball screws, so as to achieve better effects of reducing noise and improving transmission efficiency.

Further, when the stamping of the punch slider 26 ends, the two toggle levers 28 are perpendicular to the lead screws 18, 20, so as to maximize the efficiency and save the stroke of the toggle levers 28.

The above embodiment is only one implementation mode of the present invention, and its description is relatively specific and detailed, but it should not be construed as limiting the patent scope of the present invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (6)

1. a driven type double-station punching machine, it comprises lathe and two punching press stations, it is characterized in that: the drive unit described lathe being arranged power input element and drive described power input element to rotate around own axes, described power input element is a cylinder, the two ends of described power input element respectively arrange a leading screw, described in two, the axis of leading screw is located along the same line, and described in two, the thread rotary orientation of leading screw is contrary, helical pitch is identical; Each described leading screw is all threaded a nut, each described nut is all fixed a hinged slide; Each described punching press station all arranges a drift slide block, and drift slide block described in two is with the axis of described leading screw for symmetry axis is symmetrical arranged, and all hinged two toggle links on each described drift slide block, the other end of toggle link described in two distinguishes hinged slide described in hinged.

2. driven type double-station punching machine according to claim 1, is characterized in that: described drive unit is servomotor, and described drive unit is rotated by power input element described in synchronizing jugged belt wheel or gear drive.

3. driven type double-station punching machine according to claim 2, is characterized in that: described lathe is horizontal symmetric configuration.

4. driven type double-station punching machine according to claim 3, is characterized in that: described punching press station place is provided with mould, between two described drift slide blocks and mould, be provided with the guide groove led to workpiece to be processed.

5. driven type double-station punching machine according to claim 4, is characterized in that: described leading screw is ball-screw, is provided with ball between described nut and described leading screw, described leading screw is provided with the spirality raceway rolled for described ball.

6. driven type double-station punching machine according to claim 5, is characterized in that: at the end of the punching press of described drift slide block, toggle link described in two is perpendicular to described leading screw.