CN108971410A - A kind of four station riveting nut devices with self-checking function - Google Patents

Abstract

The invention discloses a kind of four station riveting nut devices with self-checking function, including pedestal, anvil mould, locating pin, probe, indicator light, cushion block, touch switch and controller.The present invention uses the device being made of above-mentioned component and tetra- stations of A, B, C, D is arranged on the base；In application, cooperation pneumatic punching machine works, when work, workpiece sequentially carries out nut riveting through tetra- stations of A, B, C, D, and a station is completed in every riveting, and the indicator light of the station is bright, when the indicator light all light of tetra- stations of A, B, C, D, then the four of the workpiece nut riveting finishes；When next piece of workpiece covers the probe of A station, the indicator light that controller controls four stations goes out clearing entirely, so in cycles, take the technical solution of above-mentioned four station of machine self-test in riveting, make the nut riveting of automotive seat upper beam, reach reduction lathe to occupy, reduce recruitment, improves efficiency, reduces the purpose of cost and anti-leak-stopping riveting.

Description

A kind of four station riveting nut devices with self-checking function

Technical field

The present invention relates to a kind of riveting process device, in particular to it is used for the sequentially punching press on automotive seat upper beam sheet metal component A kind of four station riveting nut devices with self-checking function of riveting nut.

Background technique

Illustrate, automotive seat upper beam is a kind of plates of automobile components, abbreviation seat upper beam；Riveting process device abbreviation riveting Connect tooling；Seat upper beam is set there are four position is different, the nut for connecting with automobile other structures part, and refering to fig. 13,14；Institute Stating nut is fixed on seat upper beam with the stamped riveting of pneumatic punching machine；The seat of the nut riveting will not be completed below Upper beam, referred to as workpiece；In order to ensure the shape position error required precision of nut and workpiece riveting, need to cooperate by riveting tool Pneumatic punching machine is riveted, and the riveting tool of the prior art is two, a machine, that is, two stations pair are only arranged in a pneumatic punching machine The riveting tool answered, the punching press of every pneumatic punching machine can be only done the riveting of one of station, therefore, every pneumatic punching machine The punching press that station need to be converted twice can complete nut riveting corresponding to two stations, and then circulation arrives next Pneumatic punching machine rivets the nut of lower two stations；Due to riveting the overall process of four nuts, two pneumatic punching machines and mating are needed Riveting tool, therefore two bit manipulation employees occupy lathe, Yuan Gongduo, low efficiency is at high cost；In addition, in actual operation, Also occur the phenomenon that some station leakage riveting nut in seat upper beam finished product frequently, testing staff need to be set and carry out full inspection, it is therefore, existing Occupy lathe, Yuan Gongduo with the presence of technology, the problem of low efficiency, at high cost and leakiness riveting with it is insufficient.

Summary of the invention

Aiming at the problems and shortcomings existing in the prior art, the present invention uses by pedestal, anvil mould, locating pin, pops one's head in, refers to Show the device that lamp, cushion block, touch switch and controller are constituted, wherein pedestal is the steel components of rectangular plate-like；Anvil mould is cylinder The steel components of shape, the upper surface of anvil mould are equipped with the groove coincideing with shape face below nut and are known as cavity plate；Locating pin is cylinder Steel components, the upper end of locating pin is equipped with the frustum of cone；Probe is the steel components of cylinder tube shape, in the lumen of probe Equipped with inductor, the inductor is actively to emit infrared ray, judges objects in front variation with the power of back wave, and exports The active type infrared induction electronic component of switching signal；Indicator light is LED light；Cushion block is block-like steel components；Touch switch Normally opened dynamic circuit connector electric switch；Controller is the electronic control device equipped with microprocessor circuit plate；Anvil mould is fixed on vertically upward The front at impact faces center；The upper surface of pedestal is equipped with A station, four B station, C station and D station tooling regions, the A work It is respectively equipped with the locating pin, probe, indicator light and cushion block in position, B station, C station and D station area, the locating pin, Probe, indicator light and cushion block protrude is fixed on the upper surface of pedestal upwards；The C station and D station are located at a left side for anvil mould Right two sides, the A station are located at the left back of anvil mould, and the B station is located at the right back of anvil mould；Probe, indicator light It is connect through conducting wire with controller with touch switch；Controller is fixedly connected with pneumatic punching machine, and touch switch is fixed with pneumatic punching machine Connection, the contact of touch switch correspond to the piston rod of pneumatic punching machine, the touch that receiving piston bar moves downward；

In application, present apparatus cooperation pneumatic punching machine works, the piston-rod lower end of the pneumatic punching machine is connected with punch die Formed punch directed downwardly, the formed punch are cylindrical steel components, are equipped with spherical surface connected in star below formed punch and are known as punch die；Preposition theory It is bright: to be set on the workpiece there are four needing the through-hole of riveting nut to be known as position hole, four institute's rheme holes are referred to as a holes, b Hole, c holes and d holes；Four technique through-holes that positioning corresponding with each institute's rheme hole respectively is additionally provided on workpiece are known as positioning Hole, four location holes are referred to as a location hole, b location hole, c location hole and d location hole；Pedestal is fixed on pneumatic punching machine On the bracket of setting, anvil mould corresponds to the formed punch upwards；Work below the pedestal of anvil mould present position with pneumatic punching machine The upper surface of platform is fixedly connected；

When work, workpiece sequentially carries out nut riveting through A station, B station, C station and D station, first, will be described in workpiece A holes are placed at the cavity plate of anvil mould, and first nut is inserted into a holes, a location hole of workpiece is inserted in A work In the locating pin of position, start pneumatic punching machine, the cavity plate and the punch die are jointly by nut riveting at the hole a, A at this time The probe of station measure workpiece covering in place, after the punch die undershoot, controller to probe and touch switch feedback signal at After reason, drive the indicator light of A station bright；Later, the b holes of workpiece are placed at the cavity plate of anvil mould, by second Nut is inserted into b holes, and the b location hole of workpiece is inserted in the locating pin of B station, starts pneumatic punching machine, the cavity plate With the punch die jointly by nut riveting at the hole b, the probe of B station measures workpiece covering in place at this time, the punching After mould undershoot, after controller is to the feedback signal processing of probe and touch switch, drive the indicator light of B station bright；Later, by work The c holes of part are placed at the cavity plate of anvil mould, third nut are inserted into c holes, by the c location hole of workpiece It is inserted in the locating pin of C station, starts pneumatic punching machine, the cavity plate and the punch die are jointly by nut riveting in the hole c Place, at this time the probe of C station measure workpiece covering in place, after the punch die undershoot, controller to probe and touch switch it is anti- After feedback signal processing, drive the indicator light of C station bright；Later, the d holes of workpiece are placed at the cavity plate of anvil mould, 4th nut is inserted into d holes, the d location hole of workpiece is inserted in the locating pin of D station, starts pneumatic punching machine, The cavity plate and the punch die are jointly by nut riveting at the hole d, and the probe of D station measures workpiece and covers at this time , after the punch die undershoot, after controller is to the feedback signal processing of probe and touch switch, drive the indicator light of D station bright； The indicator light all light of A station, B station, C station, D station indicates that four nut rivetings of the workpiece finish；Later, to next When the workpiece that block prepares riveting nut covers the probe of A station, after controller is to the feedback signal processing of the probe of A station, Control A station, B station, C station, D station indicator light go out full clearing；Until the feedback signal of touch switch arrives, A station Indicator light bright again open；The cushion block is used to pad, balance, prevent the effect of workpiece posture skew；Probe, indicator light, touching Dynamic switch, controller are used to that operator to be prompted sequentially to carry out the riveting operation of four stations, detect the riveting of each station automatically, Prevent the effect of leakage riveting phenomenon；Using the technical solution of above-mentioned four station of machine self-test in riveting, providing one kind has Four station riveting nut devices of self-checking function, it is intended to which the nut riveting for making automotive seat upper beam reaches and reduces lathe occupancy, subtracts Few recruitment, improves efficiency, reduces the purpose of cost and anti-leak-stopping riveting.

The object of the present invention is achieved like this: a kind of four station riveting nut devices with self-checking function, including base Seat, anvil mould, locating pin, probe, indicator light, cushion block, touch switch and controller, in which: the pedestal is rectangular plate-like Steel components；

The anvil mould is cylindrical steel components, and the upper surface of anvil mould is equipped with the groove coincideing with shape face below nut Referred to as cavity plate；

The locating pin is cylindrical steel components, and the upper end of locating pin is equipped with the frustum of cone；

The probe is the steel components of cylinder tube shape, is equipped with inductor in the lumen of probe, based on the inductor Dynamic transmitting infrared ray judges that objects in front changes with the power of back wave, and the active type infrared induction of output switching signal Electronic component；

The indicator light is LED light；

The cushion block is block-like steel components；

The normally opened dynamic circuit connector electric switch of the touch switch；

The controller is the electronic control device equipped with microprocessor circuit plate；

Anvil mould is fixed on the front at impact faces center vertically upward；The upper surface of pedestal is equipped with A station, B station, C station With four tooling regions of D station, the locating pin, spy are respectively equipped in the A station, B station, C station and D station area Head, indicator light and cushion block, the locating pin, probe, indicator light and cushion block protrude is fixed on the upper surface of pedestal upwards；The C Station and D station are located at the left and right sides side of anvil mould, and the A station is located at the left back of anvil mould, and the B station distinguishes position In the right back of anvil mould；Probe, indicator light and touch switch are connect through conducting wire with controller；Controller and the fixed company of pneumatic punching machine It connects, touch switch is fixedly connected with pneumatic punching machine, and the contact of touch switch corresponds to the piston rod of pneumatic punching machine, receiving piston bar The touch moved downward；Pedestal is fixed on the bracket of pneumatic punching machine setting, and anvil mould corresponds to the formed punch upwards；Locating for anvil mould It is fixedly connected below the pedestal of position with the upper surface of the workbench of pneumatic punching machine.

The direction face of above structure statement is divided into up, down, left, right, front, rear side, wherein front is in face of present apparatus main view The face of figure, behind be the face opposite with the front.

Working principle and beneficial effect

In application, present apparatus cooperation pneumatic punching machine works, the piston-rod lower end of the pneumatic punching machine is connected with punch die Formed punch directed downwardly, the formed punch are cylindrical steel components, are equipped with spherical surface connected in star below formed punch and are known as punch die；

Preposition explanation: it is set on the workpiece there are four needing the through-hole of riveting nut to be known as position hole, four institute's rheme holes are divided It is also known as a holes, b holes, c holes and d holes；Four works of positioning corresponding with each institute's rheme hole respectively are additionally provided on workpiece Skill through-hole is known as location hole, and four location holes are referred to as a location hole, b location hole, c location hole and d location hole.

When work, workpiece sequentially carries out nut riveting through A station, B station, C station and D station；

The a holes of workpiece are placed at the cavity plate of anvil mould by step 1, and first nut is inserted into a holes, On the frustum for the locating pin that a location hole of workpiece is inserted in A station, start pneumatic punching machine, the cavity plate with it is described Punch die is jointly by nut riveting at the hole a, and the probe of A station measures workpiece covering in place at this time, the punch die undershoot Afterwards, after controller is to the feedback signal processing of probe and touch switch, drive the indicator light of A station bright；

The b holes of workpiece are placed at the cavity plate of anvil mould by step 2, and second nut is inserted into b holes, On the frustum for the locating pin that the b location hole of workpiece is inserted in B station, start pneumatic punching machine, the cavity plate with it is described Punch die is jointly by nut riveting at the hole b, and the probe of B station measures workpiece covering in place at this time, the punch die undershoot Afterwards, after controller is to the feedback signal processing of probe and touch switch, drive the indicator light of B station bright；

The c holes of workpiece are placed at the cavity plate of anvil mould by step 3, and third nut is inserted into c holes, On the frustum for the locating pin that the c location hole of workpiece is inserted in C station, start pneumatic punching machine, the cavity plate with it is described Punch die is jointly by nut riveting at the hole c, and the probe of C station measures workpiece covering in place at this time, the punch die undershoot Afterwards, after controller is to the feedback signal processing of probe and touch switch, drive the indicator light of C station bright；

The d holes of workpiece are placed at the cavity plate of anvil mould by step 4, and the 4th nut is inserted into d holes, On the frustum for the locating pin that the d location hole of workpiece is inserted in D station, start pneumatic punching machine, the cavity plate with it is described Punch die is jointly by nut riveting at the hole d, and the probe of D station measures workpiece covering in place at this time, the punch die undershoot Afterwards, after controller is to the feedback signal processing of probe and touch switch, drive the indicator light of D station bright；

The indicator light all light of A station, B station, C station, D station indicates that four nut rivetings of the workpiece finish；It Afterwards, when the workpiece for preparing riveting nut when next piece covers the probe of A station, the feedback of probe of the controller based on A station Signal, control A station, B station, C station, D station indicator light go out full clearing；Until the feedback signal of touch switch arrives, A The indicator light of station is bright again to be opened；

The cushion block is used to pad, balance, prevent the effect of workpiece posture skew；

The riveting operation that probe, indicator light, touch switch, controller are used to that operator to be prompted sequentially to carry out four stations, Automatically the riveting for detecting each station prevents the effect for leaking riveting phenomenon.

Present apparatus structure is simple, reliable operation, by the self-test in riveting of four station of a machine, makes the spiral shell of automotive seat upper beam Mother's riveting reduces lathe occupancy, has saved recruitment, improved efficiency, reduced costs, avoided leakage riveting.

Above-mentioned, the present invention is used by pedestal, anvil mould, locating pin, probe, indicator light, cushion block, touch switch and controller structure At device, in application, present apparatus cooperation pneumatic punching machine works, when work, workpiece is through A station, B station, C station and D Station sequentially carries out nut riveting, and a station is completed in every riveting, and the indicator light of the station is bright, when A station, B station, C station, The indicator light all light of D station indicates that four nut rivetings of the workpiece finish；Later, prepare the work of riveting nut to next piece When part covers the probe of A station, controller controls four indicator lights and goes out full clearing, so in cycles；Using above-mentioned one The technical solution of four station of machine self-test in riveting overcomes the prior art and has that occupy lathe recruitment more, low efficiency, at high cost With the problem of leakiness riveting with it is insufficient, a kind of provided four station riveting nut devices with self-checking function make automotive seat The nut riveting of upper beam has reached reduction lathe and has occupied, reduces recruitment, improved efficiency, reduces the purpose of cost and anti-leak-stopping riveting.

Detailed description of the invention

Fig. 1 is a kind of main view projection structure signal of four station riveting nut devices with self-checking function of the invention Figure；

Fig. 2 is a kind of vertical view view projection structure signal of four station riveting nut devices with self-checking function of the invention Figure；

Fig. 3 is a kind of right view axonometric schematic diagram of four station riveting nut devices with self-checking function of the invention；

Fig. 4 is a kind of left view axonometric schematic diagram of four station riveting nut devices with self-checking function of the invention；

Fig. 5 is a kind of four station riveting nut devices with self-checking function of the invention, is worked in step 1 tense Schematic top plan view；

Fig. 6 is a kind of four station riveting nut devices with self-checking function of the invention, is worked in step 1 tense Axonometric schematic diagram；

Fig. 7 is a kind of four station riveting nut devices with self-checking function of the invention, is worked in step 2 tense Schematic top plan view；

Fig. 8 is a kind of four station riveting nut devices with self-checking function of the invention, is worked in step 2 tense Axonometric schematic diagram；

Fig. 9 is a kind of four station riveting nut devices with self-checking function of the invention, is worked in step 3 tense Schematic top plan view；

Figure 10 is a kind of four station riveting nut devices with self-checking function of the invention, is worked in step 3 tense Axonometric schematic diagram；

Figure 11 is a kind of four station riveting nut devices with self-checking function of the invention, is worked in step 4 tense Schematic top plan view；

Figure 12 is a kind of four station riveting nut devices with self-checking function of the invention, is worked in step 4 tense Axonometric schematic diagram；

Figure 13 is a kind of schematic diagram of main cross-sectional structure of nut 04；

Figure 14 is a kind of axonometric schematic diagram of nut 04.

Invention is further described in detail for embodiment in reference to the accompanying drawing, but should not be construed as to of the invention Any restrictions.

In figure: pedestal 1, anvil mould 2, locating pin 3, probe 4, indicator light 5, cushion block 6, A station 7, B station 8, C station 9, D work Position 10, touch switch 11, controller 12, workpiece 01, pneumatic punching machine 02, bracket 021, formed punch 022, nut 04.

Specific embodiment

Refering to fig. 1~Figure 12, a kind of four station riveting nut devices with self-checking function of the invention, including pedestal 1, Anvil mould 2, locating pin 3, probe 4, indicator light 5, cushion block 6, touch switch 11 and controller 12, in which: the pedestal 1 is rectangle The steel components of plate；

The anvil mould 2 is cylindrical steel components, and the upper surface of anvil mould 2 is equipped with to coincide with shape face below nut 04 Groove is known as cavity plate；

The locating pin 3 is cylindrical steel components, and the upper end of locating pin 3 is equipped with the frustum of cone；

The probe 4 is the steel components of cylinder tube shape, is equipped with inductor in 4 lumen of popping one's head in, the inductor is Actively emit infrared ray, judges that objects in front changes with the power of back wave, and the active infra-red sense of output switching signal Answer electronic component；

The indicator light 5 is LED light；

The cushion block 6 is block-like steel components；

The normally opened dynamic circuit connector electric switch of touch switch 11；

The controller 12 is the electronic control device equipped with microprocessor circuit plate；

Anvil mould 2 is fixed on the front at center above pedestal 1 vertically upward；The upper surface of pedestal 1 is equipped with A station 7, B station 8, C 10 4 tooling regions of station 9 and D station, the A station 7, B station 8, C station 9 and D station are respectively equipped in 10 region The locating pin 3, probe 4, indicator light 5 and cushion block 6, the locating pin 3, probe 4, indicator light 5 and cushion block 6 protrude solid upwards Due to the upper surface of pedestal 1；The C station 9 and D station 10 are located at the left and right sides side of anvil mould 2, and the A station 7 is located at anvil The left back of mould 2, the B station 8 are located at the right back of anvil mould 2；Probe 4, indicator light 5 and touch switch 11 through conducting wire with Controller 12 connects；Controller 12 is fixedly connected with pneumatic punching machine 02, and touch switch 11 is fixedly connected with pneumatic punching machine 02, is touched The contact of switch 11 corresponds to the piston rod of pneumatic punching machine 02, the touch that receiving piston bar moves downward；Pedestal 1 is fixed on pneumatically On the bracket 021 that punching machine 02 is arranged, anvil mould 2 corresponds to the formed punch 022 upwards；Below the pedestal 1 of 2 present position of anvil mould with The upper surface of the workbench of pneumatic punching machine 02 is fixedly connected.

The direction face of above structure statement is divided into up, down, left, right, front, rear side, wherein front is in face of present apparatus main view The face of figure, behind be the face opposite with the front.

Working principle and beneficial effect

In application, present apparatus cooperation pneumatic punching machine 02 works, the piston-rod lower end of the pneumatic punching machine 02 is connected with Punch die formed punch 022 directed downwardly, the formed punch 022 are cylindrical steel components, are equipped with spherical surface connected in star below formed punch 022 and are known as Punch die；

Preposition explanation: the through-hole of riveting nut 04 is needed to be known as position hole, four institute's rhemes there are four setting on the workpiece 01 Hole is referred to as a holes, b holes, c holes and d holes；Positioning corresponding with each institute's rheme hole respectively is additionally provided on workpiece 01 Four technique through-holes are known as location hole, and four location holes are referred to as a location hole, b location hole, c location hole and d positioning Hole.

When work, workpiece 01 sequentially carries out the riveting of nut 04 through A station 7, B station 8, C station 9 and D station 10；

The a holes of workpiece 01 are placed at the cavity plate of anvil mould 2 by step 1, and first nut 04 is inserted into a In hole, on the frustum for the locating pin 3 that a location hole of workpiece 01 is inserted in A station 7, start pneumatic punching machine 02, it is described Nut 04 is riveted at the hole a by cavity plate and the punch die jointly, and the probe 4 of A station 7 measures workpiece 01 and covers at this time , after the punch die undershoot, after the feedback signal processing of 12 pairs of controller probes 4 and touch switch 11, drive the finger of A station 7 Show that lamp 5 is bright；

The b holes of workpiece 01 are placed at the cavity plate of anvil mould 2 by step 2, and second nut 04 is inserted into b In hole, on the frustum for the locating pin 3 that the b location hole of workpiece 01 is inserted in B station 8, start pneumatic punching machine 02, it is described Nut 04 is riveted at the hole b by cavity plate and the punch die jointly, and the probe 4 of B station 8 measures workpiece 01 and covers at this time , after the punch die undershoot, after the feedback signal processing of 12 pairs of controller probes 4 and touch switch 11, drive the finger of B station 8 Show that lamp 5 is bright；

The c holes of workpiece 01 are placed at the cavity plate of anvil mould 2 by step 3, and third nut 04 is inserted into c In hole, on the frustum for the locating pin 3 that the c location hole of workpiece 01 is inserted in C station 9, start pneumatic punching machine 02, it is described Nut 04 is riveted at the hole c by cavity plate and the punch die jointly, and the probe 4 of C station 9 measures workpiece 01 and covers at this time , after the punch die undershoot, after the feedback signal processing of 12 pairs of controller probes 4 and touch switch 11, drive the finger of C station 9 Show that lamp 5 is bright；

The d holes of workpiece 01 are placed at the cavity plate of anvil mould 2 by step 4, and the 4th nut 04 is inserted into d In hole, on the frustum for the locating pin 3 that the d location hole of workpiece 01 is inserted in D station 10, start pneumatic punching machine 02, institute It states cavity plate and nut 04 is riveted at the hole d by the punch die jointly, the probe 4 of D station 10 measures workpiece 01 and covers at this time Lid in place, after the punch die undershoot, after the feedback signal processing of 12 pairs of controller probes 4 and touch switch 11, drives D station 10 Indicator light 5 it is bright；

5 all light of indicator light of A station 7, B station 8, C station 9, D station 10 indicates four 04 rivetings of nut of the workpiece 01 It connects and finishes；Later, when the workpiece 01 for preparing riveting nut 04 when next piece covers the probe 4 of A station 7, controller 12 is based on A The feedback signal of the probe 4 of station 7, the full clearing of going out of indicator light 5 of control A station 7, B station 8, C station 9, D station 10；Until The feedback signal of touch switch 11 arrives, and the indicator light 5 of A station 7 is bright again to be opened；

The cushion block 6 is used to pad, balance, prevent the effect of workpiece 01 posture skew；

The riveting that probe 4, indicator light 5, touch switch 11, controller 12 are used to that operator to be prompted sequentially to carry out four stations Operation, detects the riveting of each station automatically, prevents the effect for leaking riveting phenomenon.

Present apparatus structure is simple, reliable operation, by the self-test in riveting of four station of a machine, makes the spiral shell of automotive seat upper beam Mother's riveting reduces lathe occupancy, has saved recruitment, improved efficiency, reduced costs, avoided leakage riveting.

Claims (1)

1. a kind of four station riveting nut devices with self-checking function, including pedestal (1), anvil mould (2), locating pin (3), probe (4), indicator light (5), cushion block (6), touch switch (11) and controller (12), it is characterised in that: the pedestal (1) is rectangle The steel components of plate；

The anvil mould (2) is cylindrical steel components, and the upper surface of anvil mould (2) is equipped with to coincide with shape face below nut (04) Groove be known as cavity plate；

The locating pin (3) is cylindrical steel components, and the upper end of locating pin (3) is equipped with the frustum of cone；

The probe (4) is the steel components of cylinder tube shape, is equipped with inductor in the lumen of (4) of popping one's head in, the inductor is Actively emit infrared ray, judges that objects in front changes with the power of back wave, and the active infra-red sense of output switching signal Answer electronic component；

The indicator light (5) is LED light；

The cushion block (6) is block-like steel components；

The normally opened dynamic circuit connector electric switch of touch switch (11)；

The controller (12) is the electronic control device equipped with microprocessor circuit plate；

Anvil mould (2) is fixed on the front at pedestal (1) center above vertically upward；The upper surface of pedestal (1) is equipped with A station (7), B work Position (10) four (8), C station (9) and D station tooling regions, the A station (7), B station (8), C station (9) and D station (10) locating pin (3), probe (4), indicator light (5) and cushion block (6) are respectively equipped in region, the locating pin (3) is visited Head (4), indicator light (5) and cushion block (6) protrude is fixed on the upper surface of pedestal (1) upwards；The C station (9) and D station (10) It is located at the left and right sides side of anvil mould (2), the A station (7) is located at the left back of anvil mould (2), and the B station (8) is respectively Positioned at the right back of anvil mould (2)；Probe (4), indicator light (5) and touch switch (11) are connect through conducting wire with controller (12)；Control Device (12) processed is fixedly connected with pneumatic punching machine (02), and touch switch (11) is fixedly connected with pneumatic punching machine (02), touch switch (11) contact corresponds to the piston rod of pneumatic punching machine (02), the touch that receiving piston bar moves downward；Pedestal (1) is fixed on gas On the bracket (021) of dynamic punching machine (02) setting, anvil mould (2) corresponds to the formed punch (022) upwards；Anvil mould (2) present position It is fixedly connected below pedestal (1) with the upper surface of the workbench of pneumatic punching machine (02).