CN2267927Y - Punch - Google Patents

Abstract

The utility model discloses a magnetic device punch adopting a linear motor as the power. The utility model is composed of a machine body, a machine base, a control device and a power unit. The power unit of the utility model is a linear motor; the secondary end of the linear motor is directly connected with a punching head. The utility model has the advantages of simple structure, light weight, low energy consumption, and low cost, and the volume is reduced below 1/3. The utility model also solves the problem of big bounce force of the noise of the existing punch. The utility model can replace the existing energy storage mechanical punch to realize the common replacement.

Description

A kind of novel punching machine

The utility model belongs to forcing press, particularly a kind of forcing press with magnetic means work.

Usually, press work requires drift to do straight reciprocating motion, the power of prior mechanical stamping machine comes from turning motor, therefore, needs a cover mechanism to rotatablely move and changes straight reciprocating motion into, this mechanism is made up of big small belt pulley, big pinion, eccentric wheel, bent axle, connecting rod, slide block etc., by the stamping machine that such mechanism forms, parts are many, complex structure, production cycle is long, the cost height.

The purpose of this utility model is to provide a kind of novel punching machine, and it directly is power with linear electric motors, and the utmost point drives drift work in proper order, its energy simplified structure, and reduced volume reduces manufacturing cost, shortens the manufacturing cycle, improves operational efficiency, saves energy.

The utility model stamping machine mainly comprises power set, control and switching device, support, fuselage composition, it is characterized in that said power set are linear electric motors, and the secondary of linear electric motors directly is connected with drift.

The utility model is owing to adopt and to change magnetic force into by electric energy and directly produce the power of straight-line linear electric motors as stamping machine, and the secondary slide block that is stamping machine of linear electric motors wherein is because be contactless operation, so noiselessness does not have and rebounds; Whole driving mechanism has only linear electric motors, and structure is very simple, and volume is little, in light weight; Because cancelled parts such as big small belt pulley, big pinion, eccentric wheel, bent axle, connecting rod, slide block, therefore, manufacturing cost also greatly reduces; In addition, these linear electric motors according to different designs, can have identical or different impulse force back and forth back and forth in the process back and forth, in view of the above, can make the two-sided efficient impact style that dashes again, can improve the utilization rate and the efficient of stamping machine.At last, show that operating another characteristics of linear electric motors stamping machine are that motor is only switched on when stamping parts, all the other times are in off-position, drive with turning motor then must all be in "on" position in the whole working time, by contrast, energy-saving effect is especially obvious.

Be illustrated below in conjunction with embodiment and accompanying drawing thereof.

Fig. 1 is a novel punching machine general structure schematic diagram.

Fig. 2 is a novel vertical type stamping machine structural principle schematic diagram.

Fig. 3 is a horizontal novel stamping machine structural principle schematic diagram.

Referring to accompanying drawing.Fig. 1 has provided the embodiment of a desk-top novel punching machine.Wherein 1 is support, and support is fixed with table top is installed, and the dovetail groove 14 on the support is used for installation mold.Counterdie 13 is corresponding with patrix drift 12 on being installed in drift.The 2nd, control device by control work ON time, is used to regulate punching press frequency and digital the demonstration, and the 11st, switching device is common electrical switchgear, as connecting automatically towards console switch or crawl console switch.The special-purpose stamping machine of single crawl operation needs only single switch, can omit control device 2.Linear electric motors are installed in the fuselage 3, the 4th, the heat radiation window only uses with connecting under the situation of dashing more greatly at tonnage.The primary fixed of linear electric motors in the shell chamber of fuselage, the 9th, window formula iron core, iron core also can be made garden circle formula, square frame shape, polygonal.The 10th, coil.In the middle of secondary 18 dresses of linear electric motors elementary, two ends slide up and down along bearing, secondaryly are composited ringwise by the iron material of magnetic conduction and copper, the aluminium class material of conduction, often adopt heat resistant material and copper ring to carry out compound when needing to improve radiating effect.Secondary lower end directly is connected with patrix drift 12, and the secondary rear in upper end 8 places then are provided with recovers spring 7, uses as automatic molding.The 6th, regulate bolt, can be used for adjustment stroke, recover spring and be generally extension spring, objectively to offset some impulsive forces, therefore can match as required.The 5th, the rear clamshell.Coil 10 external AC power supplies, linear electric motors can be the three-phase linear motors, connect three phase mains, also can be the single-phase linear motors, order phase power supply.Primary coil and core stamping match, and its shape directly influences whole linear electric motors and profile, so linear electric motors can be cartridge type, flat type, the linear electric motors of square shape, have multiple not in specie.Linear electric motors shown in Fig. 1, its elementary punching is the window formula.Promptly be the involutory style of rake formula.

Fig. 2 has represented a kind of vertical stamping machine structural principle, and its support is cone-shaped or trapezoidal shape, and the counterdie 13 on the table top is corresponding with the patrix drift 12 of secondary 18 lower ends, leave the operating space around the punch die, the right side is a switching device 11, connects elementary coil 10 in it, external electrical source of power is very succinct.The position up and down of electric motor primary is respectively equipped with bearing 17 and bearing 15, and motor secondary 18 slides up and down along dead eye, and secondary 18 tail end place is provided with the recovery spring 7 that the resilience molding is used, and it can regulate secondary initial position by regulating bolt 6.5 of tail end clamshells are not essential, can require to design according to heat radiation.The effective means that solves heat radiation is the secondary employing heat pipe structures of linear electric motors, this structure mainly is a changes in material, the contour structures feature is identical with generic linear motor secondary style, linear electric motors shown in this figure, its elementary punching is the cake formula, be that iron core 9 is the folded circle of cake formula annular, coil 10 also is a cake formula annular form, alternately forms elementary mutually.Linear electric motors secondary 18, its structure is iron, copper ring shape composite construction, perhaps is iron, aluminium shape composite construction, its mode again in stacked fixing mode for the simplest.

Fig. 3 has represented the structural principle of horizontal linear electric motors.General stamping machine with vertical be many, this form helps the utilization of potential energy, can alleviate the influence of bounce, and this stamping machine linear electric motors are power, can not produce bounce-back in the operation, its lifting so the linear electric motors of this stamping machine can be universal mode work, comprises duty vertical, horizontal, tilting by determining conduction time opportunity.Particularly, more there is not specific (special) requirements as stamping machine unidirectional, interrupter duty.What this figure provided is a kind of horizontal type structure, is again the stamping machine structure principle chart of two-way operation simultaneously.In the fuselage 3 that is provided with on the support 1 linear electric motors are installed, elementary 16, secondary 18 all are contained among the body shell, patrix drift 12 all is housed on the drift at secondary 18 two ends, it is corresponding with patrix drift 12 that bed die is that counterdie 14 splits both sides, have blanking channel to shunt to both sides below, frock and feed mechanism do not add expression in the drawings.Control device 2 or switching device 11 can suit to be arranged on the place of being convenient to operate because of ground.Bearing 15 is located at two elementary ends.

The course of work of this novel punching machine is summarized as follows:

Plug in, set the punching operation frequency, check that the frock feed mechanism is in place separately, start operating switch then and just can operate.Can automatic continuous operation, also can the crawl operation, the stamping machine of single crawl operation, frequency control apparatus can be cast out, and at this time only needs starting relay formula gauge tap to get final product.Switching device work, elementary 16 energisings of linear electric motors produce electromagnetic force, make secondary 18 drive patrix drifts overcome recovery spring 7 and move downward,, workpiece is gone out with the counterdie head-on collision, punch steps finishes, comprise that theoretical bounce-back process also finishes, 10 outages of elementary coil, the power on secondary is cancelled, secondary 18 get back to initial position under the pulling that recovers spring 7, wait for punching press next time.Connect towards state if switch is in, then drift will be with the frequency continuous operation of setting, till switch cuts out.Unless is provided with safe breaker device in addition and is in the follow-up work state, otherwise drift is controlled by switching device only.

The punching press tonnage is that novel punching machine Fig. 1 model machine of 1.5 tons is imported 200 watts, and weight only is 30 kilograms.Connect towards frequency adjustable to 100 time maximum temperaturerise≤80 ℃.

Claims (10)

1, a kind of novel punching machine mainly comprises power set, control and switching device (11), support (1), fuselage (3) composition, it is characterized in that said power set are linear electric motors, and secondary (18) of linear electric motors directly are connected with drift.

2, stamping machine as claimed in claim 1 is characterized in that linear electric motors are three-phase linear motors.

3, stamping machine as claimed in claim 1 is characterized in that linear electric motors are single-phase linear motors.

4, stamping machine as claimed in claim 1 is characterized in that linear electric motors are linear electric motors of cartridge type, flat type, square shape.

5, stamping machine as claimed in claim 1 is characterized in that said linear electric motors, and its elementary punching is the window formula.

6, stamping machine as claimed in claim 1 is characterized in that said linear electric motors, and its elementary punching is the cake formula.

7, stamping machine as claimed in claim 1 is characterized in that said linear electric motors, and its secondary (18) structure is iron, copper ring shape composite construction.

8, stamping machine as claimed in claim 1 is characterized in that said linear electric motors, and its secondary (18) structure is iron, aluminium annular compound structure.

9, stamping machine as claimed in claim 1 is characterized in that linear electric motors, and its secondary (18) are heat pipe structure.

10, stamping machine as claimed in claim 1 is characterized in that said linear electric motors, and patrix drift (12) all is housed on the two ends drift of its secondary (18).

Images