CN2321555Y - Pressure-keeping automatic stripper for cold press moulding ultra-hard material circular saw disc - Google Patents

Abstract

The utility model relates to an automatic pressure-keeping stripping device for the cold press molding of a circular saw sheet made of ultra-hard material, which is composed of a lower ejecting cylinder piston, a connection push rod, a universal regulation push rod, a lower working table of a press machine, a top arm seat, a dustproof rubber cover, a pad chock, a top arm, a top ring, a pressed compact made of ultra-hard material, an upper press pad, an upper die, a cavity die, a lower die, a press pad, positioning pins, etc. When the circular saw sheet of 480*500mm is pressed in normal temperature, the cavity die can be automatically ejected by an ejecting cylinder under the condition that a main cylinder of a hydraulic machine still exerts the pressure on the die; thus, the automatic stripping work with pressure maintaining is realized. The utility model has the advantages of simple and reasonable structure, easy manufacture, high efficiency and high safety factor, and can reduce the labor intensity of a worker.

Description

Superhard material saw blade cold moudling pressurize pickoff

The utility model relates to a kind of stripper apparatus, particularly a kind of superhard material saw blade cold moudling pressurize pickoff.

The stripping means that uses behind the mould of generally taking manually to overturn, utilizes hydraulic press master cylinder, collar or shape of a hoof die-cushion etc. to finish demoulding action now.Its production efficiency is low, easily causes personal wounded or disabled accident; Be subjected to displacement between abrasive material joint piece and matrix, joint piece organization internal cracks; Big specification product cold moudling difficulty.

The purpose of this utility model is to avoid above-mentioned the deficiencies in the prior art part and provides a kind of simple and reasonable, makes wide adaptability, superhard material saw blade cold moudling pressurize pickoff easy to use easily.

The purpose of this utility model can reach by following measure: the utility model comprises liftout tank piston, press lower table, top arm, superhard material pressed compact, patrix, former, counterdie down, and its feature exists; Connect push rod in addition, the universal adjustment push rod, the top arm seat, rubber dust cap, the pad big and heavy stone, collar, last pressure pad, pressure pad, shop bolt, connect push rod and liftout tank piston by being threaded, the top arm seat cooperates with the protruding sphere of universal adjustment push rod by its concave spherical surface, can carry out level adjusts automatically, the pad big and heavy stone is installed on the press bed surface, the built-in top arm in its top, the built-in top arm seat in bottom, two shop bolts are laid in pad appropriate location, big and heavy stone upper surface place, pressure pad placed on it makes the corresponding coincidence of both cross recesses by two pin-and-holes of correspondence, pressure pad is set with collar outward, on pressure pad, be placed with the compacting tool set patrix, former, counterdie, for superhard material damages by pressure, last pressure pad is connected with tommyhead bolt with press slide between the upper and lower mould.

Fig. 1 is a structure cutaway view of the present utility model.

The utility model is described in further detail below in conjunction with accompanying drawing (embodiment):

With reference to Fig. 1, the utility model is by descending liftout tank piston 1, connection push rod 2, universal adjustment push rod 3, press lower table 4, top arm seat 5, rubber dust cap 6, pad big and heavy stone 7, top arm 8, collar 9, superhard material pressed compact 10, last pressure pad 11, patrix 12, former 13, counterdie 14, pressure pad 15, shop bolt 16 etc. to form.

Connect push rod 2 and liftout tank and go out piston 1 and be connected by screw thread, universal adjustment push rod 3 be connected push rod 2 also by being threaded, its highly (axial distance) can adjust arbitrarily within the specific limits; Top arm seat 5 cooperates with the protruding sphere of universal adjustment push rod 3 by its concave spherical surface, can carry out level and freely adjust; Pad big and heavy stone 7 is installed on press bed 4 surfaces, first half is two wide 30mm, long 490mm, the orthogonal groove of 230mm deeply in it, lays two 480 * 238 * 20 (mm) therebetween and has the top arm 8 of the relative interference fit of 114 * 20 (mm) tenon mouth in the length direction centre position; Lower Half is φ 330mm, dark 120mm step shrinkage pool in the pad big and heavy stone 7, and is free up and down for top arm seat 5; Lower Halves have the cross recess of wide a 25～30mm, dark 45mm and the dowel hole of two φ 13mm, dark 15mm in the pressure pad 15, and matching with two shop bolts 16 on the pad big and heavy stone 7 by these two pin-and-holes can correctly definite easily pressure pad 15 installation site; The collar 9 of pressure pad 15 outer suit one big matched in clearance; On pressure pad 15, be placed with compacting tool set patrix 12, former 13, counterdie 14; It between the upper and lower mould superhard material pressed compact 10; Last pressure pad 11 is connected with tommyhead bolt with press slide, and moves up and down with press slide, and realizes exerting pressure and the automated backhaul action.Gap adjustment between top arm seat 5 and the top arm 8 can be undertaken by following program as required; Remove pressure pad 15 and collar 9; Utilize liftout tank piston 1 by connecting rod 2, universal adjustment push rod 3 and top arm seat 5 to filling up on big and heavy stone 7 surfaces, take out top arm 8 with top arm 8 tops; Utilize specific purpose tool by removing rubber dust cap 6 (also rubber dust cap 6 can be installed) in pad big and heavy stone 7 centre bores; Utilize special-purpose in cubic box spanner be placed in the cubic tenon portion of universal adjustment push rod 3, can carry out needed adjustment, after generally adjusting, need often to adjust.

During compacting, the mould that has combined is placed on appropriate position on the pressure pad 15, starts press, the slide block band when pressure pad 11 comes downwards to the appropriate location fast gone slowly automatically again, patrix 12 is exerted pressure, after pressure reaches requirement numerical value, automatic pressurize certain hour.After reaching the dwell time, control system starts liftout tank piston 1 automatically and upwards ejects under press slide still keep-ups pressure situation, and by connecting push rod 2, universal adjustment push rod 3 is with top arm seat 5 jack-up upwards; Top arm seat 5 is along with jack-up that top arm 8 is made progress; Top arm 8 is again with collar 9 jack-up; When collar 9 contact formers 13 lower surfaces, because the pressed compact 10 during former 13 is suppressed at this moment is at the extruding force and the patrix 12 of radial direction expansion, the effect of the adhesions such as frictional force that counterdie 14 and former are 13, its reaction force is by collar 9, top arm 8 acts on top arm seat 5, top arm seat 5 is cooperated with concavo-convex sphere between the universal adjustment push rod 3 by self, obtain the automatic adjustment at horizontal plane, ejecting force is vertically balanced when guaranteeing to eject former 13; When ejecting force during greater than aforementioned adhesion, collar 9 continues former 13 is upwards ejected until patrix 12 pressure-bearing platform lower surfaces contact (this moment pressed compact 10 be exposed to former 13 below), liftout tank piston 1 is under the control system effect, be with connection push rod 2, universal adjustment push rod 3, rollback is to original position fast, (2～4mm) cooperate, thereby free simultaneously return to original position separately by its deadweight and collar 9, top arm 8, top arm seat 5 etc. are owing to be big gap with the relevant cooperation of pressure pad 15, pad big and heavy stone 7, press bed 4; Meanwhile, under the control system effect, the press slide band the also quick rollback of pressure pad 11 to original position, so far, finishes once compacting.

Fig. 1 can find out, the original position of stripper apparatus when solid line position is compacting, and the double dot dash line position is the position when the situation bottom knockout device that still keep-ups pressure ejects former.

The utility model has following advantage compared to existing technology:

1, to 480 * 500mm saw blade when normal temperature is suppressed in the hydraulic press master cylinder still Mould is exerted pressure in the situation, automatically former is ejected by liftout tank, thereby realize that pressurize is automatic The demoulding can be once compressing.

2, simple and reasonable, easy to manufacture, wide adaptability, easy to use, the efficient height, safety coefficient is big, can alleviate working strength of workers.

Claims (1)

1, a kind of superhard material saw blade cold moudling pressurize pickoff, comprise liftout tank piston 1 down, press lower table 4, top arm 8, superhard material pressed compact 10, patrix 12, former 13, counterdie 14, its feature exists: connect push rod 2 in addition, universal adjustment push rod 3, top arm seat 5, rubber dust cap 6, pad big and heavy stone 7, collar 9, last pressure pad 11, pressure pad 15, shop bolt 16, connect push rod 2 and liftout tank piston 1 by being threaded, top arm seat 5 cooperates with the protruding sphere of universal adjustment push rod 3 by its concave spherical surface, can carry out level adjusts automatically, pad big and heavy stone 7 is installed on press bed 4 surfaces, the built-in top arm 8 in its top, the built-in top arm seat 5 in bottom, two shop bolts 16 are laid in pad appropriate location, big and heavy stone 7 upper surface place, pressure pad 15 placed on it makes the corresponding coincidence of both cross recesses by two pin-and-holes of correspondence, the pressure pad 15 outer collars 9 that are set with, on pressure pad 15, be placed with compacting tool set patrix 12, former 13, counterdie 14, for superhard material damages 10 by pressure, last pressure pad 11 is connected with tommyhead bolt with press slide between the upper and lower mould.

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