CN1642700A - Punching device - Google Patents

Abstract

A punching device, wherein punch heads (22) are supported by the punch base (21) of a punch unit (7), air cylinders (24) are lifted between a punching position and a waiting position, the output shafts (36) of hammer mechanisms (29) are inserted into the punch heads (22), punch pins are installed at the lower ends of the output shafts (36) so as to be removed to a die (12) side, work rise prevention caps (39) are installed at the lower end parts of the punch heads (22) so as to be removed to the die (12) side in order to form a small space for work transfer between the caps (39) and the dies (12) at the time of punching, the punch unit (7) is raised to a pin replacement position by an air cylinder (17), the caps (39) are removed, and the punch pins (28) are replaced, whereby the punch pins can be easily and rapidly replaced without removing the punch heads.

Description

Punching machine

Technical field

The ceramic green sheet or the flexible base, board that the present invention relates to before lamination install with the perforation (punching) of perforate on the plate workpieces such as film.

Background technology

In this punching machine, perforated pins wearing and tearing, fracture or the situation of aperture change under, necessity of changing perforated pins is just arranged.Moreover punch die (mould) also will be changed under the situation of aperture change.When pin is changed, in the past, as the spy open flat 11-254395 communique or spy open the 2000-108088 communique disclosed, punch pin is taken off together with the body of punch unit from punching machine, outside machine, change perforated pins, again punch unit is installed on the body afterwards, try then to dash, adjustment, perforated pins and the punch die of the height of perforated pins to the heart, after checking affirmation, bring into operation again.

Therefore, if according in the past punching machine, the replacing of perforated pins is spended time very, not only the loss time elongated, running rate is low, but also the such problem of loading and unloading that is difficult to carry out heavier punch unit is arranged.

Summary of the invention

Therefore, the object of the present invention is to provide a kind of need not take off punch pin, can be simply and promptly change the punching machine of perforated pins.

In order to address the above problem, punching machine of the present invention is characterized in that, the upside in the work piece configuration space that makes tabular workpiece location is provided with punch unit; Downside in the work piece configuration space is provided with the punch die unit; On the punch die unit, be provided with punch die; On punch unit, be provided with punch pin; Thereby perforated pins that workpiece is bored a hole of will cooperating with punch die and the cap that stops the workpiece when pulling pin to lift near punch die when perforation are can be installed in to the mode under the punch die side-draw on the punch pin respectively; And be provided with the lifting device that the pin that makes punch unit rise to the loading and unloading that can carry out perforated pins and cap is changed the position.

At this, type of drive as perforated pins, though also can adopt the mode that perforated pins and punch pin are driven integratedly, but in order on workpiece, to offer a plurality of holes in the short time, preferably punch pin is configured near on the position of workpiece, drives perforated pins, the output shaft of light weight with short stroke.Adopted the punching machine of this mode to constitute as follows, that is, be provided with on the punch unit make the punch pin lifting near the punch position of punch die and leave punch die holding fix driver and at punch position perforated pins is squeezed into hammer mechanism in the punch die; The output shaft of hammer mechanism is inserted in the punch pin, perforated pins can be installed under the punch die side-draw in the lower end of output shaft.

In addition, preferably be pressed into collar Height Adjustment on the perforated pins freely, the size from the perforated pins end to collar end is set in (when externally changing operation) preset in advance, with the perforated pins of the preparation that can prepare to be adjusted in advance with respect to the outstanding length of punch pin.And then, though when the installation of cap, also can use screw,, preferably cap removably is installed on the punch pin via elastomeric element loading and unloading this point with disposable operation.

Description of drawings

Fig. 1 is the side view that is equipped with the perforating press of punching machine of the present invention.

Fig. 2 is the vertical view of same perforating press.

Fig. 3 is the A-A line profile of Fig. 2 of an example of expression punching machine.

Fig. 4 is the B-B line profile of Fig. 3 of the hammer mechanism of expression punching machine.

Fig. 5 is the C-C line profile of Fig. 4 of the installation constitution of expression perforated pins of punching machine and cap.

Fig. 6 is the profile that takes off form of expression perforated pins and cap.

Fig. 7 is the front view of anchor clamps of adjusting the outstanding length of perforated pins.

The specific embodiment

Below, an example of the present invention is described with reference to the accompanying drawings.The punching machine of this example is provided at the ceramic green sheet of the softness of (before the sintering) before the lamination is bored a hole on the perforating press of processing as workpiece.This perforating press be in order to carry out meticulous through hole printing (conducting printing), for example is constituted as can be on the workpiece of 150mm * 150mm to wear the through hole that tens thousand of apertures are 0.05～0.2mm at a high speed with the spacing precision of ± 0.01mm, with what open 26 holes 1 second.

As Fig. 1 and shown in Figure 2, be formed with the Processing Room 2 that tegmentum Q is closed on the top of the body 1 of perforating press, be fixed with base 3 on the bottom water level land of Processing Room 2.On base 3, be provided with work stage 4 that mounting keeps the maintenance frame H of workpiece W, carry plane servo motor 5 that keeps frame H and the punching machine 6 of between plane servo motor 5 and work stage 4, workpiece W being offered through hole about before and after on the work stage 4.Plane servo motor 5 is included in top assortment the fixed part 5a of a plurality of alnico magnets and the movable part 5b that is equipped with a plurality of electromagnet below.

Punching machine 6 possesses punch unit 7 at the upside in the work piece configuration space of location workpiece W, and the downside in the work piece configuration space of workpiece W possesses punch die unit 8.Punch unit 7 is configured in along left and right directions on the framework 9 that extends above the base 3.Punch die unit 8 constitutes as follows,, punch die base 10 is set on base 3 that is, and punch die anchor clamps 11 are set on punch die base 10, is keeping 3 punch dies 12 on punch die anchor clamps 11, is connecting smear metal (perforation bits) suction tube 13 on punch die 12.

As shown in Figure 3, on the position relative with punch die anchor clamps 11, fixing perforation base 21 on the framework 9 of punch unit 7,3 punch pins 22 are being supported in lifting freely on perforation base 21.Be set side by side with 3 pneumatic cylinders 24 via carriage 23 above framework 9, its piston rod 24a is via hookup 25 and web 26 and be attached on the punch pin 22.Pneumatic cylinder 24 is drivers of lifting punch pin 22, when piston rod 24a extends, punch pin 22 is dropped to the punch position of close punch die 12; When piston rod 24a shrinks, punch pin 22 is risen to the holding fix that leaves punch die 12.

As shown in Figure 4, be provided with the perforated pins 28 of cooperating workpiece W is bored a hole with punch die 12 on punch pin 22, web 26 is provided with the hammer mechanism 29 that is used for perforated pins 28 is squeezed into punch die 12.Hammer mechanism 29 possesses the hammer base 30 of inverted v-shaped shape, and its head 30a is fixed on the web 26 with a plurality of bolts 31, but the neck 30b elastic displacement ground via thin-walled is linking a pair of shank 30c on head 30a.A pair of piezoelectric element 32 is installed on head 30a, and its lower end links together via linking part 30d and shank 30c.

Supporting by flat spring 33 in the lower end of shank 30c and to hammer 34 into shape, on hammer 34, linking the output shaft 36 of hollow form via bar 35.Output shaft 36 is slided up and down via a pair of sleeve pipe 22A up and down and is inserted into freely in the punch pin 22, in the lower end of output shaft 36 by limit screw 37 can perforated pins 28 being installed to the mode under punch die 12 side-draws.And, on the punch position of punch pin 22, thereby make the flexible along the vertical direction switch shank 30c of piezoelectric element 32 by energising, thereby make flat spring 33 swing make hammer 34 up-down vibration, with perforated pins 28 squeeze into (mean in the corresponding aperture that is inserted into punch die 12) in the punch die 12 thus workpiece W is bored a hole.

As Fig. 5 and shown in Figure 6, on the minor diameter part 22a of the lower end of punch pin 22, be with the cap that floats (lifting) 39 of workpiece W (plate) when stoping pin to pull up, when punch pin 22 is configured in punch position, this cap 39 near punch dies 12 and and punch die 12 between form slit G, thereby stop floating of workpiece W.In a plurality of perisporium groove 39a of cap 39, contain flat spring 40 respectively, and its lower end is remained on the cap 39 by the retainer 41 of tubular.The upper end of flat spring 40 is buckled in the otch 22b of punch pin 22, and cap 39 is being installed on the punch pin 22 via the mode of flat spring 40 under punch die 12 side-draws as elastomeric element.

The collar 43 is plugged on the perforated pins 28 by Height Adjustment freely by being pressed into, the upper surface by making the collar 43 and the lower surface of output shaft 36 touch, and perforated pins 28 can be installed on the punch pin 22 with certain outstanding length L (lower end of the 28a of pin portion is positioned at than the lower end of cap 39 position of side and length when being accommodated in diapire hole 39b a little on the upper side).In addition, the collar 43 is inserted on the perforated pins 28 of preparation at machine external application anchor clamps 44 as shown in Figure 7.On anchor clamps 44, be provided with the maintaining part 45 that keeps the collar 43, perforated pins 28 be pressed into the graduation apparatus 47 of the outstanding length L of handle 46 collar 43 in and mensuration perforated pins 28.

As shown in Figure 3, on the framework 9 of punch unit 7,2 plungers 15 about fixing are erect the guider 16 that is provided with lifting guiding plunger 15 sagging shape on base 3.Downside at base 3 vertically is provided with the pneumatic cylinder 17 that conduct makes the lifting device of punch unit 7 risings via carriage 14, can support lever 18 in its left and right sides by axle 19 with swinging up and down.The inner of lever 18 is bonded to via joint 20 on the piston rod 17a of pneumatic cylinder 17, and the outer end of lever 18 is attached in the lower end notch 15a of plunger 15.

And when the common operation of punching machine 6, punch unit 7 is configured in the normal position of close punch die unit 8 via guider 16.The upper end large diameter part of the normal position of punch die unit 8 by plunger 15 touches mutually with the upper end of guider 16 and is positioned, according to the size of the above-mentioned slit G of this set positions.Moreover the size of this slit G can change by the replacing that Jie is located at the liner (diagram is omitted) between the upper end of the upper end large diameter part of plunger 15 and guider 16.Under this state with corresponding to corresponding pneumatic cylinders 24 actions of the punch pin 22 in hole to be bored a hole, make punch pin 22 drop to position as shown in Figure 3 near punch die 12, under this state, carry out perforation procedure.In addition, when the replacing of perforated pins 28, the piston rod 17a of pneumatic cylinder 17 is left behind, via lever 18 and plunger 15, framework 9 rises, and punch unit 7 is configured in the pin replacing position (the chain-dotted line position of Fig. 3) that can carry out the loading and unloading of perforated pins 28 and cap 39 at its downside.Moreover, be provided with pair of right and left internal point 48 in perforation on the base 21, centring pin is passed and be inserted in the internal point of punch die anchor clamps 11.

Thereby the punching machine 6 according to this example can obtain following action effect.

(a) change the position owing to make punch unit 7 rise to pin, load and unload cap 39 and perforated pins 28 then, therefore need not take off punch pin 22, can at short notice the bad perforated pins 28 and the perforated pins 28 of preparation be changed.

(b) because the base 21 of will not boring a hole when the replacing of perforated pins 28 is pulled down, the perforated pins 28 after therefore changing and punch die 12 are homocentric and need not feel relieved once again, can shorten the loss time.

(c) because the collar 43 is plugged on the perforated pins 28 freely by Height Adjustment, therefore can outside machine, correctly adjust the outstanding length L of perforated pins 28 in advance, be omitted in the Height Adjustment of the perforated pins 28 in the machine, can shorten the loss time.

(d) utilize the elasticity of flat spring 40, the disposable operation of cap 39 usefulness can be loaded and unloaded on the punch pin 22.

(e) owing under punch pin 22 being configured in, drive perforated pins 28, therefore can shorten the lifting travel of perforated pins 28, can on workpiece W, offer a plurality of holes at short notice by hammer mechanism 29 near the state on the punch position of punch die 12.

(f) at this moment, cap 39 is positioned as close to punch die 12 and forms slit G in the scope that workpiece W can transfer, float the situation of (lifting) (and then perforated pins 28 is lifted) thereby can stop, can offer high-precision through hole at workpiece W when workpiece W extracts perforated pins 28.

(g) in addition,, therefore can drive perforated pins 28 at high speed, improve piercing efficiency, can also change the lifting travel of perforated pins 28 simultaneously at an easy rate according to the thickness of workpiece W because the drive source of hammer mechanism 29 has been used piezoelectric element 32.

(h) because with the movable part of plane servo motor the maintenance of workpiece to be frameed shift moving, therefore can reduce to be used for the quality of the movable member of travelling workpiece, can realize the high speed location under the high accuracy, can also improve bore a hole precision and piercing efficiency.

Moreover the present invention is not limited to above-mentioned example, and for example, example is such as shown below, and the shape or the structure that can suitably change each one in the scope that does not break away from aim of the present invention are implemented.

(1) suitably increases and decreases the number of punch pin 22 and punch die 12.

(2) drive source to hammer mechanism 29 uses motor, drives perforated pins 28 by motor via adding the device that shakes.

(3) as the lifting device of punch unit 7, use the mechanism that constitutes by motor and rack pinion.

(4) collar 43 usefulness screw Height Adjustment are plugged on the perforated pins 28 freely.

(5) punching machine of the present invention is applicable to the perforation processing of flexible base, board with the various plate workpieces beyond the raw cooks such as film or metal forming.

As previously discussed, according to an example of the present invention, since on the punch pin so that perforated pins and cap can be installed to the mode under the punch die side-draw, and be provided with and make punch unit rise to the lifting device that pin is changed the position, therefore played need not take off punch pin, can be simply and promptly change the good effect of perforated pins.

According to another example of the present invention,, therefore have the lifting travel that can shorten perforated pins, the effect that can on workpiece, offer a plurality of holes in the short time owing to drive perforated pins by hammer mechanism at the punch position of punch pin.

According to another example of the present invention, because it is collar Height Adjustment is pressed into freely on the perforated pins in advance that perforated pins and the collar is pre-configured, thus the effect of the Height Adjustment shortening loss time of the perforated pins in the machine that can be omitted in therefore had.

According to another example of the present invention,, therefore has the effect that to load and unload cap with disposable operation because cap is installed on the punch pin via elastomeric element.

Claims

(according to the modification of the 19th of treaty)

1. a punching machine is characterized in that, the upside in the work piece configuration space that disposes tabular workpiece is provided with punch unit; Downside in the work piece configuration space is provided with the punch die unit; On the punch die unit, be provided with punch die; On punch unit, be provided with punch pin; Thereby perforated pins that workpiece is bored a hole of will cooperating with punch die and the cap that when perforation, stops the workpiece when pulling pin to float near punch die, with needn't take off punch pin respectively the mode under the punch die side-draw be installed on the punch pin; And be provided with the lifting device that the pin that makes punch unit rise to the loading and unloading that can carry out perforated pins and cap is changed the position.

2. punching machine as claimed in claim 1 wherein is provided with on punch unit and makes punch pin near the punch position of punch die with away from the driver of the holding fix lifting of punch die and make perforated pins drop to the hammer mechanism of punch position; The output shaft of hammer mechanism is inserted in the punch pin, perforated pins can be installed under the punch die side-draw in the lower end of output shaft.

3. punching machine as claimed in claim 1 or 2 wherein is pressed into collar Height Adjustment on the perforated pins freely.

4. as claim 1,2 or 3 described punching machines, wherein will stop the cap that workpiece floats usefulness removably to be installed on the punch pin via elastomeric element.

Claims (4)

1. a punching machine is characterized in that, the upside in the work piece configuration space that disposes tabular workpiece is provided with punch unit; Downside in the work piece configuration space is provided with the punch die unit; On the punch die unit, be provided with punch die; On punch unit, be provided with punch pin; Thereby perforated pins that workpiece is bored a hole of will cooperating with punch die and the cap that stops the workpiece when pulling pin to float near punch die when perforation are installed on the punch pin in the mode under the punch die side-draw respectively; And be provided with the lifting device that the pin that makes punch unit rise to the loading and unloading that can carry out perforated pins and cap is changed the position.

2. punching machine as claimed in claim 1 wherein is provided with on punch unit and makes punch pin near the punch position of punch die with away from the driver of the holding fix lifting of punch die and make perforated pins drop to the hammer mechanism of punch position; The output shaft of hammer mechanism is inserted in the punch pin, perforated pins can be installed under the punch die side-draw in the lower end of output shaft.

3. punching machine as claimed in claim 1 or 2 wherein is pressed into collar Height Adjustment on the perforated pins freely.

4. as claim 1,2 or 3 described punching machines, wherein will stop the cap that workpiece floats usefulness removably to be installed on the punch pin via elastomeric element.

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