The injection mold wedge block makes thimble resetting-mechanism in advance
Technical field
The utility model relates to injection mold, particularly relates to the injection mold wedge block and makes thimble resetting-mechanism in advance.
Background technology
Injection mold is after to the working of plastics injection mo(u)lding, usually need thimble that working of plastics is ejected and take off material, if will be shaped on a socket at the sidewall of working of plastics, then need installation side core slide block on the side of core, be shaped on side core at the side core slide block, by side core and core, die cavity cooperates, make the working of plastics sidewall of injection mo(u)lding form socket, in the side core slide block, have guide hole, Angle Pin is installed in die cavity, when the mould die sinking, slided laterally by the direction drive side core slide block of Angle Pin along guide hole, finish side core-pulling, eject working of plastics simultaneously by edge thimble and center thimble again and take off material, but there is a problem like this, traditional mould uses release link that thimble is resetted, and when in mould matched moulds process, Angle Pin also drives the side core slide block simultaneously and resets, the side core of side core slide block edge thimble when homing is not also replied fully, the edge thimble has just blocked side core like this, and side core and edge thimble bump, can mold damage.
Summary of the invention
The purpose of this utility model is in order to overcome the shortcoming that prior art exists, and provides a kind of and promotes upper and lower ejector retainner plate in advance and thimble resets, and guarantees that the injection mold wedge block of the smooth matched moulds of mould makes thimble resetting-mechanism in advance.
The utility model injection mold wedge block make thimble in advance the technical scheme of resetting-mechanism be: comprise compound plate and following compound plate, centring ring and gate bush are installed in last compound plate, die cavity and Angle Pin are installed under the last compound plate, having perforation in the compound plate down, the mould pin is installed on the following compound plate, ejector retainner plate and last ejector retainner plate down are installed between the mould pin, the injection machine push rod passes perforation and contacts with following ejector retainner plate, mounting center thimble and edge thimble in last ejector retainner plate, on the mould pin core is installed, be equipped with the side core slide block in core one side, have guide hole in the side core slide block, guide hole matches with Angle Pin, be shaped on side core in side core slide block one side, side core, the side core slide block, the working of plastics that injection mo(u)lding is arranged between core and the die cavity, it is characterized in that: described going up under the compound plate installed wedge, be shaped on down left tilted surface under the wedge, at following ejector retainner plate wedge block is installed, be shaped on left tilted surface and last right tilted surface on the wedge block, under core one side, be shaped on right tilted surface down, the last left tilted surface of wedge block contacts with the following right tilted surface of core, and the last right tilted surface of wedge block contacts with the following left tilted surface of wedge.
The utility model discloses a kind of injection mold wedge block and make thimble resetting-mechanism in advance, when the die sinking of working of plastics injection forming mold, on following compound plate drives, following ejector retainner plate and mould pin are mobile backward, on, following ejector retainner plate drives wedge block, edge thimble and center thimble are mobile backward, it is mobile backward that the mould pin drives core, core drives working of plastics and the side core slide block is mobile backward, the side core slide block slides along Angle Pin to the left through guide hole when moving backward, side core is loosed core to the left, and on compound plate continues to drive down, following ejector retainner plate, mould pin and core are mobile backward, when moving to injection machine push rod position, the injection machine push rod withstands down ejector retainner plate, following ejector retainner plate drives goes up ejector retainner plate, the edge thimble, center thimble and wedge block stop mobile, and following compound plate, the mould pin, core and side core slide block continue mobile backward, the following right tilted surface of core contacts with the last left tilted surface of wedge block, wedge block is slided to the right, edge thimble and center thimble withstand working of plastics, make working of plastics deviate from core and finish and take off material; Mould begins matched moulds and resets then, at first by on compound plate drives down, following ejector retainner plate, mould pin and core move forward, on, following ejector retainner plate drives wedge block and moves forward to the wedge position, the last right tilted surface of wedge block and the following left tilted surface of wedge contact, wedge promotes wedge block to lower slider, on wedge block promotes, following ejector retainner plate is to lower slider, on, following ejector retainner plate drives the edge thimble and the center thimble moves down, thereby reaching thimble resets in advance, when the last left tilted surface of wedge block slides into the bottom right incline position of core, wedge promotes the wedge block homing of sliding left, Angle Pin also began to drive the side core slide block and resetted this moment, because the edge thimble shifts to an earlier date homing with respect to the side core slide block, avoid and the side core collision, thereby guarantee the smooth matched moulds of mould.
The utility model injection mold wedge block makes thimble resetting-mechanism in advance, have left mounting groove and right mounting groove in the described core, in the mounting groove of a left side left steady pin is installed, on the steady pin of a left side left spring and left alignment pin are installed, in the right mounting groove right steady pin is installed, right spring and right alignment pin are installed on the right steady pin, under the side core slide block, have left locating slot and right locating slot, left side locating slot and left alignment pin match, and right locating slot and right alignment pin match.There have been alignment pin and locating slot to cooperate, made the side core slide block when loosing core and reset, can move to accurate position, guaranteed that Angle Pin accurately inserts the hole, avoids collision and mold damage.Described core sidewall is installed the slide block baffle plate, and the slide block baffle plate contacts with the side core slide block.Described ejector retainner plate sidewall is down installed the wedge block baffle plate, and the wedge block baffle plate contacts with wedge block.
Description of drawings
Fig. 1 is that the utility model injection mold wedge block makes the thimble matched moulds status architecture schematic diagram of resetting-mechanism in advance;
Fig. 2 is that the utility model injection mold wedge block makes the thimble die opening state structural representation of resetting-mechanism in advance;
Fig. 3 is that the utility model injection mold wedge block makes the thimble working of plastics demoulding status architecture schematic diagram of resetting-mechanism in advance;
Wedge and wedge block mated condition structural representation when Fig. 4 is matched moulds;
Fig. 5 is thimble reset mode structural representation in advance;
Fig. 6 is the local enlarged diagram in A place of Fig. 1.
The specific embodiment
The utility model relates to a kind of injection mold wedge block makes thimble resetting-mechanism in advance, as Fig. 1-shown in Figure 6, comprise compound plate 1 and following compound plate 2, centring ring 3 and gate bush 4 are installed in last compound plate, die cavity 5 and Angle Pin 6 are installed under the last compound plate, having perforation 7 in the compound plate 2 down, mould pin 8 is installed on the following compound plate, ejector retainner plate 9 and last ejector retainner plate 10 down are installed between the mould pin, injection machine push rod 11 passes perforation 7 and contacts with following ejector retainner plate 9, mounting center thimble 12 and edge thimble 13 in last ejector retainner plate, core 14 is installed on the mould pin 8, be equipped with side core slide block 15 in core one side, have guide hole 16 in the side core slide block, guide hole matches with Angle Pin 6, be shaped on side core 17 in side core slide block one side, side core 17, side core slide block 15, the working of plastics 18 that injection mo(u)lding is arranged between core 14 and the die cavity 5, it is characterized in that: the described compound plate of going up is installed wedge 19 1 time, be shaped on down left tilted surface 20 under the wedge, at following ejector retainner plate 9 wedge blocks 21 are installed, be shaped on left tilted surface 22 and last right tilted surface 23 on the wedge block, under core 14 1 sides, be shaped on right tilted surface 24 down, the last left tilted surface 22 of wedge block 21 contacts with the following right tilted surface 24 of core 14, and the last right tilted surface 23 of wedge block 21 contacts with the following left tilted surface 20 of wedge 19.When working of plastics 18 injection forming mold die sinkings, following compound plate 2 drives, following ejector retainner plate 10,9 and mould pin 8 mobile backward, on, following ejector retainner plate drives wedge block 21, edge thimble 13 and center thimble 12 are mobile backward, it is mobile backward that mould pin 8 drives core 14, core drives working of plastics 18 and side core slide block 15 is mobile backward, the side core slide block slides along Angle Pin 6 to the left through guide hole 16 when moving backward, side core 17 is loosed core to the left, and on compound plate 2 continues to drive down, following ejector retainner plate 10,9, mould pin 8 and core 14 are mobile backward, when moving to injection machine push rod 11 positions, the injection machine push rod withstands down ejector retainner plate 9, following ejector retainner plate drives goes up ejector retainner plate 10, edge thimble 13, center thimble 12 and wedge block 21 stop mobile, and following compound plate 2, mould pin 8, core 14 and side core slide block 15 continue mobile backward, the following right tilted surface 24 of core 14 contacts with the last left tilted surface 22 of wedge block 21, wedge block is slided to the right, edge thimble 13 and center thimble 12 withstand working of plastics 18, make working of plastics deviate from core 14 and finish and take off material; Mould begins matched moulds and resets then, at first driven by following compound plate 2, following ejector retainner plate 10,9, mould pin 8 and core 14 move forward, on, following ejector retainner plate drives wedge block 21 and moves forward to wedge 19 positions, the last right tilted surface 23 of wedge block contacts with the following left tilted surface 20 of wedge 19, wedge promotes wedge block to lower slider, wedge block 21 promotes, following ejector retainner plate 10,9 to lower slider, on, following ejector retainner plate drives edge thimble 13 and center thimble 12 moves down, thereby reaching thimble resets in advance, when the last left tilted surface 23 of wedge block slides into following right tilted surface 24 positions of core 14, wedge 19 promotes wedge blocks 21 homing of sliding left, Angle Pin 6 also began to drive side core slide block 15 and resetted this moment, because edge thimble 13 shifts to an earlier date homing with respect to the side core slide block, avoid and side core 17 collisions, thereby guarantee the smooth matched moulds of mould.Have left mounting groove 25 and right mounting groove 26 in the described core 14, in the mounting groove of a left side left steady pin 27 is installed, on the steady pin of a left side left spring 28 and left alignment pin 29 are installed, in the right mounting groove right steady pin 30 is installed, on the right steady pin right spring 31 and right alignment pin 32 are installed, have left locating slot 33 and right locating slot 34 for 15 times at the side core slide block, left locating slot and left alignment pin 29 match, and right locating slot and right alignment pin 32 match.There have been alignment pin and locating slot to cooperate, made side core slide block 15 when loosing core and reset, can move to accurate position, guaranteed that Angle Pin 6 accurately inserts hole 16, avoids collision and mold damage.Described core 14 sidewalls are installed slide block baffle plate 35, and the slide block baffle plate contacts with side core slide block 15.Described ejector retainner plate 9 sidewalls are down installed wedge block baffle plate 36, and the wedge block baffle plate contacts with wedge block 21.