CN2061874U - Automatic punching die for miniature hole metal plate screen - Google Patents

Abstract

The utility model relates to an automatic punching die for miniature hole metal plate screen with 1.2 mm * 1.2 mm square holes and 1.8 mm hole space in length and breadth, comprising a punching die body, a feed position and control device, a rebound device, a dust collection brush and an oil brush. The utility model has the advantages of simple and compact structure, small size, light weight, high reliability, convenient assembly and disassembly, long service life, and continuous automatic work.

Description

Automatic punching die for miniature hole metal plate screen

The utility model relates to a kind of 1.2 millimeters * 1.2 millimeters square holes that reach, and pitch-row is 1.8 millimeters the automatic punch die of micropore metal expanded metals in length and breadth.

It is huge that existing mould of the same type exists feed mechanism, low towards pin intensity, the rate that fractures height, and critical piece all is disposable use, the life-span is shorter, reliability and stable not enough.

The purpose of this utility model is to provide a kind of simple and compact for structure, and working stability is reliable, the automatic punch die of micropore metal expanded metals that the life-span is long.

The utility model is achieved in that carrying tringle is connected with Connection Block with nut by die shank, Connection Block by rubber ring be connected towards needle stand, on needle stand, be equipped with towards pin and jumping apart from drift, protect and be equipped with towards needle shield on the template and jump apart from the drift sheath, die case, breach die case, locating piece and guide rail are housed on concave template, match with guide pillar on the mould framing plate in that the ball saddle is housed on the top mold frame.Front end at mould framing plate passes through the feed appliance support, and feeding roller and roller follower are housed, and ratchet 36 is fixed on an end of feeding roller, and the push rod upper end is fixed on the top mold frame, and ratchet and spring are equipped with in its middle part, and the bottom is fixed with spring by nut.Synchromesh gear is equipped with in the outside of feeding roller, by being contained in retainer frame and the spring on the feed appliance support, the retaining roller is matched with the tooth of synchromesh gear.

The automatic punch die of the said micropore metal expanded metals of the utility model is provided by following embodiment and accompanying drawing.

Fig. 1 is the front view that partly cuts open of the present utility model, and Fig. 2 is the A-A view of Fig. 1, Fig. 3 be the A of Fig. 1 to partial sectional view, Fig. 4 is the B-B cutaway view of Fig. 2, Fig. 5 be the B of Fig. 1 to view, Fig. 6 is the C-C cutaway view of Fig. 2.

Describe in detail according to concrete structure and the using method thereof that the utility model proposes below in conjunction with accompanying drawing.

Carrying tringle 1 can slide in the hole of die shank 2, and lower end and Connection Block 4 is fixing, carry tringle 1 can be clockwise or rotation counterclockwise carry the mould height with adjustment, will carry tringle 1 by nut 3 then and fix with Connection Block 4.Connection Block 4 lower ends be threaded towards needle handle 7, large washer 5 is housed, rubber ring 6 between two.Be equipped with on the needle stand 8 towards pin 9, jump apart from filling 42 and the axis of guide 46.Protect on the template 12 and be equipped with towards needle shield 10.Jumping is apart from drift sheath 43, sheath 45.Die case 11 and fairlead 47 are housed on the concave template 14, and the right and left is equipped with guide rail 13, is backing plate 18 below the concave template 14.Mould bases guide pillar 15 is fixed on the mould framing plate 19.Top mold frame 17 slides up and down along guide pillar 15 by ball saddle 16.

There are a breach and a slotted hole in the left side of concave template 14, and controllable thrust device 20 and thruster 21 are housed respectively, and both effects are to force plate to advance along right guide wall, and control swings.Front part sides is equipped with two jumpings apart from breach die case 22, and locating piece 44 is housed in the cover, and locating piece exceeds die case, and plate contacts feed-disabling behind the locating piece 44 during feeding.Jump during punching apart from drift 42 and cut a jumping apart from breach on the plate both sides simultaneously, for next feeding is got ready.Concave template 14 also is equipped with 8 groups of bounce-back contacts 34 and spring 33, and its effect is rapidly plate to be upspring after punching is finished, and reduces resistance, guarantees that feeding is accurate.

Push rod 39 upper ends of feed mechanism are fixed on the top mold frame 17, and ratchet 37 is equipped with in the centre, spring 38 makes ratchet 37 keep normally contacting with ratchet 36, and following spring 40 is sleeved on the push rod 39, by the size of nut 41 regulating springs 38 pressure.When feeding put in place, push rod 39 as continuation were risen, and pawl base compression this moment spring 40 plays cushioning effect, the unlikely damage of protection parts.Ratchet 36 is fixed on the right-hand member of feeding roller 24, and tooth portion is mutually meshing with ratchet 37, and it is identical with ratchet that the synchromesh gear 35(number of teeth is equipped with in its right outside) but circumference rotates adjustment, till synchronous with ratchet.

Stopping device is contained on the feed appliance right support 53, and retaining roller 50 is contained in an end of retainer frame 51, and spring 52 is contained in retainer frame 51 grooves.Its effect is to force stop roller 50 to paste tightly mutually with synchromesh gear 35.When patrix is mentioned after punching is finished, push rod 39 drive ratchets 37 with on draw, ratchet 37 drives ratchet 36 and feeding roller 24 also changes an angle thereupon, and this moment, feeding roller 24 and roller follower 25 were pushed ahead a jumping apart from (being pitch-row) with plate, finished primary feed.When punching began, top mold frame 17 and push rod 39 stressed backs were descending, because stop roller 50 has embedded in the teeth groove of synchronizing wheel 35, the reversing that this has just controlled feed mechanism reaches the retaining purpose.

Two groups of plate control rollers 48 are contained on the support 49, and support 49 is fixed on the mould framing plate rear side.Its effect is: the web plate after the control punching is agitated up and down, and held stationary advances.

Dust removal brush 27 covers with paint or varnish 26 with being coated with, all be contained on the feed appliance left and right sides support 53, its effect is clear board dusty complexion soil and foul, and be coated with the very thin lubricating oil of last layer for the plate face, can obtain good lubricating when guaranteeing mold work, reduce the heat that produces owing to die-cut friction, very favourable to mold work.

End respectively is equipped with a rolling bearing and is sleeved on the eccentric shaft about roller follower 25, the left end of eccentric shaft (outside of feed appliance left socle) is equipped with clutch handle 32, spring support 29 is contained in the support outside, the feed appliance left and right sides, be set with spring 30 on the screw 31, an end of screw joins by hole on the support and clutch handle 32.When packing plate into, earlier with clutch handle 32 to the pushing of arrow side because eccentric effect roller follower 25 promptly leaves feeding roller 24, a slit occur between two rollers this moment, the plate of packing into can enter two roll between.After the release handle 32, because the effect of spring 30 resets roller follower 25, and is squeezed in plate between two rollers, the adjustable size of extruding force joint spring 30 is realized.

Connecting rod 28 also is housed on the clutch handle 32, and the other end of connecting rod and surface cam 23 are fixed together, and what the breach of surface cam 23 inserted thruster 20 carries the handle inboard.When clutch handle 32 when the direction of arrow pushes, connecting rod 28 promotes surface cams 23 spring of thruster 20 is outwards pulled out.This moment, plate can enter die tracks smoothly.After release handle 32, because the effect of spring 30 resets handle 32 and connecting rod 28 immediately.

Totally 8 groups of the contact 34(of bounce-back mechanism) and spring 33 all be contained between concave template 14 and the backing plate 18.Its effect is: finish moment that patrix mentions when punching and make the plate concave template that speeds away, this moment, feed mechanism can not have smoothly plate to be pushed ahead a jumping distance under the situation of resistance, and this has been avoided feeding not in place and towards the half-edge hole phenomenon.

The said automatic punching die for miniature hole metal plate screen of the utility model compared with prior art, has following advantage:

1, compact conformation, volume are little, in light weight.

2, all by the control of calligraphy or painting model body Mechanically programm, without manually-operated, working stability is reliable for feeding, leapfrog, room, guiding etc. Continuous automatic operation.

3, owing to respectively be bumped into structure towards single of employings such as pin, sheath, die cases, damage to work the time towards pin, sheath or die case as a certain, only need to change some and get final product, whole pair of mould be unlikely calcellation so its life-span longer more than ten times than prior art.

4, folding is adorned easy to maintenance

5, a people can operate many

Claims (8)

1, the automatic punch die of a kind of micropore metal expanded metals is by carrying tringle 1, die shank 2, nut 3, Connection Block 4; Rubber ring 6, form towards needle stand handle 7 and guide pillar 15, it is characterized in that on needle stand 8, being equipped with towards pin 9 and jump apart from drift 42, protect and be equipped with towards needle shield 10 on the template 12 and jump apart from drift sheath 43, die case 11 is housed on notch board 14, breach die case 22, locating piece 44 and guide rail 13, ball saddle 16 is housed on top mold frame 17, front end at mould framing plate 19 passes through feed appliance support 53, feeding roller 24 and roller follower 25 are housed, ratchet 36 is fixed on an end of feeding roller 24, push rod 39 upper ends are fixed on the top mold frame 17, ratchet 37 and spring 38 are equipped with in its middle part, the bottom is fixed with spring 40 by nut 41, synchromesh gear 35 is equipped with in the outside of feeding roller 24, by being contained in retainer frame 51 and the spring 52 on the feed appliance support 53, the tooth of retaining roller 50 with synchromesh gear 35 is matched.

2, punch die as claimed in claim 1, bearing is equipped with at the two ends that it is characterized in that roller follower 25, bearing holder (housing, cover) is contained on the eccentric shaft, and an end of eccentric shaft is equipped with clutch handle 32, and clutch handle 32 middle parts are connected with support 53 with screw 31 by spring support 29, spring 30 on one side.

3, punch die as claimed in claim 1 or 2 is characterized in that the jagged and slotted hole in one side of concave template 14 controllable thrust device 20 and thruster 21 being housed respectively.

4, as claim 3 described punch dies, it is characterized in that the another side at clutch handle 32 middle parts, connect with surface cam 23 by connecting rod 28, what surface cam 23 was inserted into controllable thrust device 20 carries the handle inboard.

5, punch die as claimed in claim 3 is characterized in that below the concave template 14 backing plate 18 being housed, and on concave template 14 and backing plate 18, by spring 33 bounce-back contact 34 is housed.

6, as claim 4 or 5 described punch dies, it is characterized in that on the feed appliance support 53, dust removal brush 27 is housed and is coated with and cover with paint or varnish 26.

7, punch die as claimed in claim 6, the rear end that it is characterized in that mould framing plate 19 are equipped with two groups of plate control rollers 48 by support 49.

8, claim 5 or 7 described punch dies is characterized in that towards needle stand 8 axis of guide 46 being housed, and corresponding protecting on the template 12 is equipped with sheath, on concave template 14 and the backing plate 18 fairlead 47 are housed.

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