CN2476362Y

CN2476362Y - Punch for steel sheet net with V-shaped rib

Info

Publication number: CN2476362Y
Application number: CN 01222933
Authority: CN
Inventors: 杨爱华; 刘晓东
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-04-29
Filing date: 2001-04-29
Publication date: 2002-02-13
Anticipated expiration: 2011-04-29

Abstract

The utility model discloses a coining machine for V-shaped rib expanded metal. The machine body is welded of blocks of steel plates, and is tightly locked by the heating preload stress of the drag rod, and a close type frame preload stress machine body is formed. The clutch coupling is the double semicircle rigid coupling, the connecting rod is connected by dowel pin, eccentric bent axle is adopted, the sliding block has four 45 degree inclined planes and a center circular column guide, the height of the closure is adjusted by the worm screw and the worm wheel, the dead weight of the sliding block is balanced by two groups of spring type balancer. The whole machine can be lubricated in a fixed time with a fixed degree, the ramming speed is 140 times per minute, and the nominal pressure is 630 kilonewton. The rigidity of the utility model is good and the adjustment is convenient.

Description

Be used to punching machine with V-arrangement rib steel expanded metals

The utility model relates to the part processing equipment of a kind of concrete with band V-arrangement rib steel expanded metals, in particular for a kind of punching machine of continuous punching out band V-arrangement rib steel expanded metals.

In concrete, make a kind of with band V-arrangement rib steel expanded metals, this band V-arrangement rib steel expanded metals also is one of vitals of DIPY construction formwork mesh, prior art is with the otch of the continuous punching press mesh of mould on general pressing equipment, press the required step pitch friction feeding of otch, the deficiencies in the prior art are, poor rigidity when general open type punch ram power is fit to, stroke is big, the number of strokes is generally on the low side, can not satisfy the requirement of productivity ratio, though high velocity ram machine can reach the requirement of productivity ratio, but owing to adopt friction clutch, there is error the position of bottom dead centre, needs to add the rigidity block on mould, and noise increases during punching press.In addition, the punch press of high speed enclosed positive clutch does not have manufacturer production yet.

The purpose of this utility model provides a kind of special-purpose punching machine that is used to the otch of the continuous punching press mesh of V-arrangement rib steel expanded metals, and tonnage is moderate, the body good rigidly, and lower dead point position is accurate, and is easy to adjust.

This practical purpose is achieved in that a kind of punching machine that is used to V-arrangement rib steel net, comprise body, turning cylinder, clutch, slide block and closed height adjusting device, it is characterized in that: described body is the closed framework structure, base by the bottom, the column at middle part and the crossbeam on top are formed, and the three comprises tie down screw and locking nut and constitutes the prestressing force lock solid structure for vertical its locking member that locks and connects; Described power transmission shaft, its main shaft are the eccentric type bent axle, and this crankshaft eccentric position movable sleeve is connected to connecting rod, and the connecting rod bottom is provided with lead, is provided with the pin of flexible connection therebetween; Described clutch is to be provided with two semicircle positive clutches between combined cover in the gear wheel endoporus and bent axle to comprise semicircle master turn key and the secondary turn key of semicircle; Described slide block is located at lead below, and the structure of forming slider guide comprises four 45 ° of inclined-planes and corresponding with it four 45 ° of guide rails on the body column, the lead of portion of body center and center guide pin bushing that matches with it of being fixed in slide block four bights.Its center guide pin bushing be fixed in the body upper crossbeam below, be connected with the adjustment screw rod between slide block and lead; Described closed height adjusting device, comprise: the upper end screw in lead lower end internal thread the adjustment screw rod, adjust the screw rod bottom be connected with worm gear and with the adjustment worm screw of its engagement, this adjustment screw rod bottom is provided with the boss that is connected in the slide block, and the top of this slide block also is provided with left and right symmetrical two groups of Spring balancers; The drawing velocity of this punching machine is 140 times/minute, and nominal pressure is 630,000 Ns.

The utility model has improved the equipment rigidity owing to adopted such scheme, has guaranteed the positional precision of bottom dead centre, and is easy to adjust, satisfies the otch requirement of the continuous punching press mesh of band V-arrangement rib steel expanded metals.

Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.

Fig. 1 is that the utility model is used to look schematic diagram with the punching machine structure master of V-arrangement rib steel expanded metals;

Fig. 2 is that the utility model is used to look schematic diagram with the punching machine structure left side of V-arrangement rib steel expanded metals;

Fig. 3 is the A-A sectional view of Fig. 2:

Fig. 4 is the C-C sectional view of Fig. 3;

Fig. 5 is that the K of Fig. 3 is to view;

Fig. 6 is the B-B sectional drawing of Fig. 1;

Extremely shown in Figure 6 as Fig. 1, a kind of punching machine that is used to V-arrangement rib steel plate, comprise body, power transmission shaft, clutch, slide block and closed height adjusting device etc., its principal character is: this body is the closed framework structure, base 1 by the bottom, the column 2 at middle part and the crossbeam on top 11 are formed, the three is connected to the prestressing force lock solid structure, after tie down screw 14 and locking nut 13 lockings, constitute the body of enclosed framework, this body is made of the piecemeal welded-steel plate construction, to tie down screw 14 heating, tighten locking nut 13 during assembling, body is carried out prestressing force locking.This power transmission shaft, wherein main shaft is an eccentric type bent axle 10, is connected to connecting rod 9 in the eccentric position movable sleeve of bent axle 10, connecting rod 9 bottoms are provided with lead 7, are provided with pin 8 therebetween and for flexibly connecting.Described clutch is that

knot platform cover

21 and 10 on the bent axle in transmission last level gear wheel 19 endoporus is provided with two semicircle clutches, and this clutch comprises semicircle master turn key 20 and the secondary turn key 24 of semicircle.Described slide block 3, be located at the below of lead 7, the structure of forming slide block 3 guiding comprises four 45 ° of inclined-planes and corresponding with it four 45 ° of guide rails 4 on the body column 2, the lead 7 of portion of body center and center guide pin bushing 6 that matches with it of being fixedly arranged in slide block 3 four bights.This center guide pin bushing 6 be fixed in body upper crossbeam 11 below, 7 of slide block 3 and leads are connected (see figure 6) by adjusting screw rod 28.Described closed height adjusting device, comprise: the upper end screws in the adjustment screw rod 28 of lead 7 lower end internal threads, with adjusting screw rod 28 bottoms affixed worm gear 29 and with the adjustment worm screw 5 of its engagement, these adjustment screw rod 28 bottoms are provided with boss 100 and are connected in the slide block 3, and can rotate in slide block 3 and all shackle member.The top of this slide block 3 also is provided with left and right two symmetrical groups Spring balancer 12 (see figure 1)s, with the deadweight of balance slide block 3 and mould.

During work, motor 16 drives small belt pulley 17 and rotates, by big belt pulley 18 and coaxial pinion 15, drive gear wheel 19 power is delivered to bent axle 10, by the crankshaft eccentric drivening rod, lead 7 moves up and down, and 7 of connecting rod 9 and leads are connected by pin 8, the internal thread by lead 7 with adjust screw rod 28 power be delivered to slide block 3, adjust the closed height of lathe by adjusting screw rod 28, the rotation of adjusting screw rod 28 drives worm gear 29 by rotary worm 5 and realizes.The deadweight of slide block and mould is by spring equalizer 12 balances.Clutch adopts two semicircle positive clutches (seeing Fig. 3, Fig. 4 and Fig. 5), wherein main turn key 20 rotates by major key handle 25, auxiliary bond handle 27 and turn key gangbar simultaneously with secondary turn key 24, main turn key 20 plays the power transmission effect, and secondary turn key 24 is to prevent that gear wheel 19 is ahead of bent axle 10.Slide block 3 is by four jiaos four 45 ° of surface rails 4 and centre pilot post 7 guiding.This complete machine is lubricated at regular time and quantity, and its drawing velocity is 140 times/minute, and nominal pressure is 630,000 Ns.

Claims

1, a kind of punching machine that is used to V-arrangement rib steel expanded metals, comprise body, turning cylinder, clutch, slide block and closed height adjusting device, it is characterized in that: described body is the closed framework structure, by the base of bottom, the column at middle part and the crossbeam on top are formed, and the three is vertical locking and connecting; Described power transmission shaft, its main shaft are the eccentric type bent axle, and this crankshaft eccentric position movable sleeve is connected to connecting rod, and the connecting rod bottom is provided with lead, is provided with the pin of flexible connection therebetween; Described clutch is to be provided with two semicircle positive clutches between combined cover in the gear wheel endoporus and bent axle; Described slide block, be located at the lead below, the structure of forming slider guide comprises four 45 ° of inclined-planes and corresponding with it four 45 ° of guide rails on the body column, the lead of portion of body center and center guide pin bushing that matches with it of being fixed in slide block four bights, its center guide pin bushing be fixed in the body upper crossbeam below, be connected with the adjustment screw rod between slide block and lead; Described closed height adjusting device, comprise: the upper end screw in lead lower end internal thread the adjustment screw rod, adjust the screw rod bottom be connected with worm gear and with the adjustment worm screw of its engagement, this adjustment screw rod bottom is provided with the boss that is connected in the slide block, and the top of this slide block also is provided with left and right symmetrical two groups of Spring balancers; The drawing velocity of this punching machine is 140 times/minute, and nominal pressure is 630,000 Ns.

2, a kind of punching machine that is used to V-arrangement rib steel expanded metals according to claim 1, it is characterized in that: described body is made of the piecemeal welded-steel plate construction, vertical the locking and connecting of its base, column and crossbeam constitutes the prestressing force lock solid structure, comprises tie down screw and locking nut.

3, a kind of punching machine that is used to V-arrangement rib steel expanded metals according to claim 1 is characterized in that: described pair of semicircle positive clutch comprises combined cover and semicircle master turn key between bent axle and the secondary turn key of semicircle in the gear wheel endoporus.