A kind of matched moulds sequence control mechanism
Technical field
The present invention relates to a kind of mold open closing device, be specifically related to a kind of matched moulds sequence control mechanism.
Background technology
The plastic product that some are slightly complicated, owing to limited by self structure, simple mould can't be to its moulding, and the mould that only has design to have a plurality of die joints could be made it, when mould had two above die joints, the folding mould of mould order all can have strict demand usually.
Traditional way is to utilize high-strength spring, reaches the purpose of die sinking respectively, matched moulds, the performance of spring self but this way places one's entire reliance upon, and when spring went wrong, this device just can't work.And in actual production process, spring tends to produce variety of issue because of fatigue after using frequently, and fault rate is higher, has seriously influenced the normal production and processing of product.
Chinese patent literature CN 201979669 U disclose a kind of mechanism that controls three template die opening and closing mould orders, comprise in the patrix of three template dies and be fixedly connected with spacer pin, the lower end of spacer pin is plugged on slide block, slide block is slidably connected in guide rail among the middle mould that is fixed in three template dies, be fixedly installed oblique pin in the counterdie of three template dies, the top of oblique pin is plugged in associated skewed slot, and skewed slot is arranged on the bottom of slide block, and also is provided with spring in the end of slide block.
control three template dies in above-mentioned patent documentation are opened, in matched moulds order mechanism, die sinking and matched moulds are all to pass through spacer pin, slide block and oblique pin cooperatively interact to realize, therefore slide block must be arranged on middle mould, all can the normal operation of matched moulds and die sinking be exerted an influence and whether slide block is accurately mobile, after using for a long time, if after controlling the spring generation fatigue damage or distortion of slide block slip, slide block just can not accurately move to corresponding position, the impact of especially involutory mold process is even more serious, when matched moulds, because slide block can not move on to position accurately, oblique pin can rub mutually with slide block even the larger area collision, the well damage of slide block and oblique pin, and then cause the product percent defective produced high, even can produce mould and damage, and the cost of mould is opened more than this, matched moulds order mechanism is much higher.
In addition, above-mentioned opening and closing mould order mechanism is arranged on the inside of mould, in case this mechanism damages, just need to take whole mould apart when needing repairing, and maintenance is wasted time and energy.
Chinese patent CN102729431A discloses a kind of mould matched moulds sequence control mechanism: comprise cover plate, briquetting, the briquetting seat, for the sliding-tongue seat that is connected with the stationary mould for mould plate, the ejector pin that is used for the latch that is connected with the stationary mould for mould seat board and is used for being connected with the mould moving platen, have the first slot that inserts for ejector pin one end and the second slot that inserts for latch one end on the sliding-tongue seat, the briquetting seat is connected between cover plate and sliding-tongue seat, briquetting is contained in the installing hole that has on the briquetting seat, be provided with the first spring between briquetting and cover plate, briquetting withstands on ejector pin and latch, ejector pin one end is provided with for first of promotion briquetting and pushes away shoulder, latch one end is provided be used to the step that is pressed on briquetting.
Above-mentioned Chinese patent literature mould matched moulds sequence control mechanism discloses a kind of matched moulds and die sinking separates the mechanism that controls, be die sinking controlling organization and matched moulds controlling organization separate operaton, mutually noninterfere, the damage of a certain part in the die sinking controlling organization can not exert an influence to the matched moulds operation, but complex structure, manufacturing cost is high.
Summary of the invention
For this reason, technical problem to be solved by this invention is that matched moulds sequence control mechanism of the prior art easily damages and complex structure, and then provides a kind of and be not easy to damage and matched moulds sequence control mechanism simple in structure.
Another technical problem to be solved by this invention is that matched moulds sequence control mechanism of the prior art maintenance wastes time and energy, and then a kind of matched moulds sequence control mechanism easy to maintenance is provided.
For this reason, the invention provides a kind of matched moulds sequence control mechanism, comprise
Shifting block is the column strip, is fixedly installed on moving platen, and an end of described shifting block long side direction has drive surface;
Movable block is arranged on solid plate and is suitable for to solid plate direction reset movement, is provided with relative with described drive surface on described movable block and the spigot surface that is slidably matched and the contact part that is suitable for conflicting with middle template; Described shifting block is suitable for promoting described movable block to moving away from described solid plate direction along described spigot surface; Described middle template and described contact part conflict state, described middle template or described shifting block promote described movable block to move the conflict that makes the disengaging of described contact part and described middle template away from described solid plate direction, and described middle template can continue to move and conflict described solid plate.
Be provided with back-moving spring between described movable block and described solid plate, described back-moving spring one end is fixed on described solid plate, and the other end is fixedly connected with described movable block, and the reset force that described back-moving spring applies described movable block is towards described solid plate.
The axis of described back-moving spring is parallel to the direction that described movable block moves.
Described shifting block is arranged at the outside of described moving platen, and described movable block is arranged at the outside of described solid plate.
The conflict end of described contact part and described middle template is two inclined-planes that are slidably matched.
Be provided with the prestressed spring towards described middle template on described solid plate, described solid plate promotes described middle template by prestressed spring, and the stress that is suitable between described solid plate and described middle template continues to move to described middle template direction over the described solid plate of setting value.
The direction that the perpendicular direction that described shifting block moves towards described movable block moves away from described solid plate in described movable block.
Be provided with lead on described solid plate, be provided with the pilot hole that is slidably matched with described lead on described middle template and described moving platen.
Described drive surface and described spigot surface are two inclined-planes that are slidably matched.
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) in matched moulds sequence control mechanism of the present invention, it comprises shifting block, is the column strip, is fixedly installed on moving platen, and an end of described shifting block long side direction has drive surface, movable block is arranged on solid plate and is suitable for to solid plate direction reset movement, is provided with relative with described drive surface on described movable block and the spigot surface that is slidably matched and the contact part that is suitable for conflicting with middle template, described shifting block is suitable for promoting described movable block to moving away from described solid plate direction along described spigot surface, described middle template and described contact part conflict state, described middle template or described shifting block promote described movable block to move the conflict that makes the disengaging of described contact part and described middle template away from described solid plate direction, and described middle template can continue to move and conflict described solid plate, be that matched moulds sequence control mechanism moving platen motion of the present invention drives described shifting block motion, when described middle template with after described moving platen contacts, described middle template is moved to described solid plate together with described moving platen, behind the contact part of the described movable block of described middle template conflict, movable block promotes described movable block to moving away from described solid plate by the driving of shifting block or middle template, thereby make described middle template can continue to move to the solid plate direction the normal matched moulds of realizing mould, structure is very simple, movable block only needs to move laterally just can be realized successively matched moulds and can not affect the up and down step is produced any negative effect, mobile accuracy to described movable block requires low, thereby make whole matched moulds sequence control mechanism be not easy to damage and matched moulds sequence control mechanism simple in structure.
(2) in matched moulds sequence control mechanism of the present invention, be provided with back-moving spring between described movable block and described solid plate, described back-moving spring one end is fixed on described solid plate, the other end is fixedly connected with described movable block, the reset force that described back-moving spring applies described movable block is towards described solid plate, simple in structure, reset and easily realize, even the back-moving spring between movable block and described solid plate has distortion also not affect its normal use after using for a long time, thereby the long service life of whole matched moulds sequence control mechanism.
(3) in matched moulds sequence control mechanism of the present invention, described shifting block is arranged at the outside of described moving platen, and described movable block is arranged at the outside of described solid plate, thereby not only easily regulates, and easy to maintenance.
(4) in matched moulds sequence control mechanism of the present invention, preferred described contact part and described middle template are conflicted and held is two inclined-planes that are slidably matched, and simple in structure, production cost is low; Another kind of mode also can be provided with the prestressed spring towards described middle template on described solid plate, described solid plate promotes described middle template by prestressed spring, and the stress that is suitable between described solid plate and described middle template continues to move to described middle template direction over the described solid plate of setting value, also can realize after middle template and described moving platen matched moulds, moving platen continues to move to the solid plate direction, realizes final matched moulds.
(5) in matched moulds sequence control mechanism of the present invention, be provided with lead on described solid plate, be provided with the pilot hole that is slidably matched with described lead on described middle template and described moving platen, further improve the closing precision of described solid plate and described middle template and simple in structure.
(6) in matched moulds sequence control mechanism of the present invention, described drive surface and described spigot surface are two inclined-planes that are slidably matched, and be simple in structure, easily realizes, production cost is low.
Description of drawings
For content of the present invention is more likely to be clearly understood, the below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is matched moulds sequence control mechanism die opening state structural representation of the present invention;
Fig. 2 is the structural representation of moving platen and middle template matched moulds state in matched moulds sequence control mechanism of the present invention;
Fig. 3 is the structural representation of moving platen in matched moulds sequence control mechanism of the present invention, middle template and solid plate matched moulds state.
In figure, Reference numeral is expressed as: 11-moving platen, template in 12-, the 121-end of conflicting, 13-solid plate, 14-back-moving spring, 21-shifting block, 211-drive surface, 212-contact part, 22-movable block, 221-spigot surface, 23-lead, 231-pilot hole.
The specific embodiment
Be the described a kind of matched moulds sequence control mechanism of the present embodiment as Figure 1-3, comprise shifting block 21 and movable block 22, wherein, described shifting block 21 is the column strip, is fixedly installed on moving platen 11, and an end of described shifting block 21 long side directions has drive surface 211; Described movable block 22 is arranged on solid plate 13 and is suitable for to solid plate 13 direction reset movement, is provided with relative with described drive surface 211 on described movable block 22 and the spigot surface 221 that is slidably matched and the contact part 212 that is suitable for conflicting with middle template 12; Described shifting block 21 is suitable for promoting described movable block 22 to moving away from described solid plate 13 directions along described spigot surface 221; Described middle template 12 and described contact part 212 conflict states, described middle template 12 promotes described movable block 22 to move the conflict that makes 212 disengagings of described contact part and described middle template 12 away from described solid plate 13 directions, and described middle template 12 can continue to move and the described solid plate 13 of conflicting.
The reset movement to described solid plate 13 directions of movable block described in the present embodiment 22 realizes by the back-moving spring 14 that arranges between described movable block 22 and described solid plate 13, described back-moving spring 14 1 ends are fixed on described solid plate 13, the other end is fixedly connected with described movable block 22, and the reset force that 14 pairs of described movable blocks 22 of described back-moving spring apply is towards described solid plate 13.The axis of described back-moving spring 14 is parallel to the direction that described movable block 22 moves.Two inclined-planes of described drive surface 211 and described spigot surface 221 for being slidably matched are set in the present embodiment.Described contact part 212 is two inclined-planes that are slidably matched with the conflict end 121 of described middle template 12.Described shifting block 21 is arranged at the outside of described moving platen 11, and described movable block 22 is arranged at the outside of described solid plate 13.The direction that the perpendicular direction that described shifting block 11 moves towards described movable block 22 moves away from described solid plate 13 in described movable block 22.The quantity of the sequence control mechanism of matched moulds described in the present embodiment is two both sides that lay respectively at mould.
The use procedure of the sequence control mechanism of matched moulds described in above-described embodiment is as follows:
At first, moving platen 11 moves towards described middle template 12, and described drive surface 211 contacts with described spigot surface 221 and is slidably matched and promotes described movable block 22 to moving until middle template 12 contacts with described moving platen 11 away from described solid plate 13 directions.In this motion process described above, described middle template 12 also can be pulled 13 directions to described cover half and be moved, stop motion after described middle template 12 is encountered in the contact part 212 of described movable block 22.
Because described contact part 212 is two inclined-planes that are slidably matched with the conflict end 121 of described middle template 12, under the promotion of moving platen 11, described middle template 12 continues to move to solid plate 13 directions, the conflict end 121 of described middle template 12 forces described movable block 22 to moving away from described solid plate 13 directions under the effect on inclined-plane, until the conflict end 121 of described middle template 12 breaks away from the contact part 212 of described movable block 22, then described middle template 12 moves to described solid plate 13 the described solid plate 13 of conflicting, thereby realizes the matched moulds of whole mould.
in disposable embodiment, described middle template 12 and described contact part 212 conflict states are set in the present embodiment, described shifting block 21 promotes described movable block 22 to move the conflict that makes 212 disengagings of described contact part and described middle template 12 away from described solid plate 13 directions, be provided with the prestressed spring (not shown) towards described middle template 12 on described solid plate 13, described solid plate 13 promotes described middle template 12 by prestressed spring, and the stress that is suitable between described solid plate 13 and described middle template 12 continues to move to described middle template 12 directions over the described solid plate 13 of setting value.The quantity of the sequence control mechanism of matched moulds described in the present embodiment is one, certainly, also can according to the size of actual mould, increase the quantity of matched moulds sequence control mechanism, to guarantee the accurate matched moulds of mould.
The use procedure of the sequence control mechanism of matched moulds described in above-described embodiment is as follows:
at first, moving platen 11 moves towards described middle template 12, and the prestressed spring on moving platen 11 first contacts described middle template 12, and promotes described middle template 12 and move to described solid plate 13 directions together with described moving platen 11, template 12 stop motions in when described middle template is supported the contact part 212 of 12 tactile described movable blocks 22, then, moving platen 11 continues to move to solid plate 13 directions, make the pressure that puts on described prestressed spring greater than setting value, described prestressed spring distortion, moving platen 11 continues to move to solid plate 13 directions, the spigot surface 221 that the drive surface 211 of described shifting block 21 promotes on described movable block 22, force described movable block 22 to moving away from described solid plate 13 directions, when end 121 disengaging conflicts are conflicted in described contact part 212 with described middle template 12 after, described middle template 12 continues to move to described solid plate 13 directions under the promotion of moving platen 11, the described solid plate 13 until described middle template 12 is conflicted, thereby realize the matched moulds of whole mould.
Further, the present embodiment is provided with lead 23 on described solid plate 13 on the basis of above-mentioned enforcement, is provided with the pilot hole 231 that is slidably matched with described lead 23 on described middle template 12 and described moving platen 11.The quantity of the sequence control mechanism of matched moulds described in the present embodiment is two and is symmetrical arranged.
The use procedure of the sequence control mechanism of matched moulds described in above-described embodiment is as follows:
At first, the first pilot hole 231 that arranges on described middle template 12 slides on the lead 23 that arranges on described solid plate 11, moving platen 11 moves towards described middle template 12, among the second pilot hole on described lead insertion moving platen 11, described moving platen and described middle template are slided on same lead, guarantee the accurate alignment motion of follow-up energy, and the uniformity of each action is high, subsequent action is same as the previously described embodiments.
Only relate to the matched moulds sequence control mechanism in above-described embodiment, the die sinking sequence control mechanism is identical with die sinking sequence control mechanism of the prior art.
Obviously, above-described embodiment is only for example clearly is described, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive.And the apparent variation of being extended out thus or change still are among the protection domain of the invention.