CN2878029Y - Plastic injection mould with energy-saving consumption-reducing pouring system - Google Patents
Plastic injection mould with energy-saving consumption-reducing pouring system Download PDFInfo
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- CN2878029Y CN2878029Y CN 200620038781 CN200620038781U CN2878029Y CN 2878029 Y CN2878029 Y CN 2878029Y CN 200620038781 CN200620038781 CN 200620038781 CN 200620038781 U CN200620038781 U CN 200620038781U CN 2878029 Y CN2878029 Y CN 2878029Y
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Abstract
A plastic injection die with energy saving casting system comprises a die carrier, a profiled part and a casting system, wherein an ingate sleeve of the casting system employs a dual-purpose ingate sleeve to shorten the main flow passage to an ideal length, the ingate sleeve and a material-dropping board is separated with a sheath to reduce the repetitive friction with the material-dropping board to improve the service life of the die, and the material-unloading board is provided with a cold-material dropping machine which uses the elastic deformation of the spring to drive a plunger to cause nozzle materials to rebound off a nozzle pushing paddle, which causes the nozzle to automatically fall off. In order to prevent the direct friction of a barbed needle and the material-dropping board and reduce the damage, a wear-resisting nozzle barbed needle cover is provided between the material-dropping board and the nozzle barbed needle. In order to solve the problems that a submarine gate, a side gate, and a pin-point gate and the like have a spoiling appearance of the product, a former is embedded with a plurality of cattle horn-like inlaying-typed insert blocks which are provided with a cattle horn-like gate runner which is communicated with the pin-point gate on the former and the forming-typed cavity.
Description
Technical field
The utility model relates to a kind of plastic mould, particularly a kind of plastic injecting mold with energy-saving and cost-reducing running gate system.
Background technology
Present three-plate type plastic mould generally comprises the mould bases that is made of upper and lower template, mould pin, stripper plate, liftout component and guide pillar, guide pin bushing, by die cavity A plate and die cavity B plate and be installed in die cavity A plate and die cavity B plate in the profiled part that constitutes of yin, yang mould, formations such as running gate system.And the effect of running gate system to be plastics with molten condition steadily and successfully be full of die cavity, the gas of die cavity is successfully discharged again, and in the process of filling and solidifying, can transfer the pressure to each position of plastic, to obtain the plastic of tissue tight.
Existing running gate system generally comprises sprue bush, runner, mouth of a river crochet hook, cast gate and constitutes, and as a vitals in the running gate system, the main effect of sprue bush is: 1 and the lathe jet hole coincide, the plastics in the injector barrel are carried out the transition in the mould.2, as the location of mould and injection machine.3, as the sprue of running gate system.In existing three plate injection mold tool the length of sprue normally come by the thickness of the cope match-plate pattern of mould bases and stripper plate fixed, owing in design process, consider strength problem, general cope match-plate pattern is 30mm and thickens with the increase of mould bases, add stripper plate, make that the sprue in the sprue bush is all long, generally between 60-100mm.And the loss of long sprue build-up of pressure heat has increased the recovery of cold burden.Sprue bush and stripper plate friction portion do not have draw taper, easily friction in addition, easily produce batch cutting edge of a knife or a sword etc., cause knockout press to increase, and make devices consume power increase, when being unfavorable for energy-conservation, joint.On stripper plate, do not design the sprue bush sheath in addition, be unfavorable for the maintenance and the replacing of mould.Inconvenient filler material crochet hook in the sprue bush.
Mouth of a river crochet hook in existing plastic mould running gate system generally is mounted on the cope match-plate pattern and with stripper plate and is slidingly matched, although be slidingly matched between mouth of a river crochet hook and the stripper plate, but friction is arranged still between the two, the hardness that adds the hardness ratio stripper plate of filling pipe end crochet hook wants high, time one length makes that the stripper plate wearing and tearing are very fast like this, needs often to change, reduce production efficiency, increased the manufacturing cost of plastic.
In existing plastic mould, the mouth of a river material in the plastic cement mould runner often is bonded on the stripper plate after breaking away from mouth of a river crochet hook easily.Therefore must win with artificial or manipulator, increase operator's potential safety hazard, prolong molding time, reduce production efficiency.
Cast gate adopts sub marine gate, side gate, some cast gate etc. usually in the existing injection molding, and these cast gates all exist and diminish product appearance and maybe need to cause the high shortcoming of production cost, and be not suitable for part mould processing after the formed product.
The utility model content
Processing once more after the purpose of this utility model provides that a kind of sprue is short, mouth of a river material can come off automatically, product appearance is not decreased in the cast gate position and need not moulding, the mould movable part is strengthened and the plastic injecting mold with energy-saving and cost-reducing running gate system being convenient to change, keeping in repair, the sprue that exists in the existing plastic injecting mold running gate system is oversize to solve, mouth of a river material difficulty automatically comes off, mouth of a river crochet hook is easily walked batch cutting edge of a knife or a sword, cast gate diminish product appearance maybe need to gate location process once more, problem such as the mold repair difficulty cycle is long.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of plastic injecting mold with energy-saving and cost-reducing running gate system comprises:
The mould bases that constitutes by upper and lower template, mould pin, stripper plate, liftout component and guide pillar, guide pin bushing;
By die cavity A plate and die cavity B plate and be installed in die cavity A plate and die cavity B plate in the profiled part that constitutes of yin, yang mould;
Running gate system;
Wherein die cavity B plate links to each other with lower bolster by mould pin and securing member, and guide pillar is installed on the cope match-plate pattern, and passes and be arranged on stripper plate and with guide pin bushing on the die cavity A plate cope match-plate pattern linked to each other with stripper plate, die cavity A plate; The pull bar that makes die cavity A, B plate divide mould also is installed on stripper plate; Also comprise push pedal and mouth of a river thimble in the mould bases, mouth of a river thimble is fixed in the push pedal, and the centre hole on the die cavity B plate is passed in the upper end; On die cavity B plate matched moulds guide pillar and formpiston are installed, die cavity A plate is provided with former and matched moulds guide pin bushing, and the matched moulds guide pillar inserts in the matched moulds guide pin bushing, makes yin, yang mould matched moulds exactly; Former and formpiston are provided with the moulding die cavity; Running gate system comprises sprue bush, be arranged on runner, the mouth of a river crochet hook on the die cavity A plate and be arranged on some cast gate on the former, sprue bush is installed on the cope match-plate pattern and in the centre bore through the stripper plate center and communicates with described runner, runner is arranged in the upper surface of die cavity A plate and is communicated with some cast gate on the former, mouth of a river crochet hook is fixed on the cope match-plate pattern and passes the crochet hook hole that is opened on the stripper plate, it is characterized in that:
Described sprue bush is one to be installed in the dual-purpose sprue bush in the sprue bush installing hole at cope match-plate pattern center, in described dual-purpose sprue bush a nozzle receptacle is arranged; The bottom surface of described nozzle receptacle is the plane, and a nozzle detent is arranged at the center of nozzle receptacle bottom surface; The front end face of described sprue bush is a plane, and be provided with an awl at the center of front end face protruding; Have a sprue at the protruding center of awl and have the annular groove of mouth of a river crochet hook effect together at the protruding front end of awl; Nozzle receptacle, nozzle detent and sprue in the sprue bush are positioned on the same axis.
Mouth of a river crochet hook and side pilot pin also are housed in dual-purpose sprue bush.
Make sprue bush and stripper plate shortening in service life in order to solve between sprue bush and the stripper plate because of friction, simultaneously in order to solve assembling between sprue bush and the mould and problem easy to maintenance, a sheath of being convenient to assembling and maintenance between sprue bush and the stripper plate is housed in the centre bore of stripper plate.
The sprue bush installing hole at described cope match-plate pattern center is a stepped hole, so that the installation of dual-purpose sprue bush and location, dual-purpose sprue bush the first half is positioned at this sprue bush installing hole.Also be provided with one at the center of stripper plate and can hold the groove that dual-purpose sprue bush the latter half enters, described groove is concentric with described centre bore.The purpose of doing like this can be so that dual-purpose sprue bush and cope match-plate pattern, stripper plate coincide, and again can flexible motion.
During installation, sheath is fixed in the centre bore of stripper plate and with stripper plate and moves, and dual-purpose sprue bush is fixed on the base plate.Because a sprue bush part is positioned at cope match-plate pattern, another part is positioned at stripper plate, and in sprue bush, also be provided with nozzle receptacle, so just make the mouth mouth of the extension nozzle on the injector can press close to runner as best one can, sprue is shortened to optimal length, thereby sprue bush of the present utility model reaches 80% than common sprue bush conservation.The shortening of sprue has also reduced the loss of pressure and heat in addition, has reduced weld mark.Nozzle receptacle bottom surface in the sprue bush is the plane, can increase mouth of a river crochet hook down easily, also can position with the side pilot pin.The front end of dual-purpose sprue bush adopts annular groove, has solved center point cast gate because of causing the mouth of a river can't break away from the problem of die cavity by the filler crochet hook.The design pattern of frustum is adopted at the front end center of sprue bush, and the cover upper jacket, makes sprue bush easily assemble, easily change with mould and has reduced repeated friction with stripper plate, thereby reduced the maintenance cost of mould the service life of having improved mould.
After solving the material disengaging mouth of a river, mouth of a river crochet hook, often be bonded on the stripper plate, need win with artificial or manipulator, increased operator's potential safety hazard, prolonged molding time, reduced the problem of production efficiency, the utility model can be equipped with the cold burden that makes mouth of a river material the break away from stripper plate automatically device that comes off on stripper plate.
The described cold burden device that comes off comprises outer shell, piston, spring, and piston is active in the plunger shaft of outer shell and with spring and is compressed in this plunger shaft, is provided with alignment pin on piston.Piston is the hollow cylinder structure, at the bottom of it outwardly.The cylinder mouth of outer shell is reducing, and described reducing cooperates with the piston clearance.
For device that cold burden is come off is installed on the stripper plate of three plate injection molds, have a screwed hole at the cylinder bottom center of outer shell.
When the installation cold burden comes off device, an installing blind that matches with the outer shell external diameter and a bolt hole offered in appropriate location on the stripper plate of three plate injection molds, the cold burden device that comes off is pressed in the installing blind, screws in the screwed hole on the outer shell cylinder bottom and tighten with a bolt passing through bolt hole this cold burden device that comes off is installed on the stripper plate.
During the demoulding, cold burden of the present utility model comes off device can be at the material disengaging mouth of a river, mouth of a river crochet hook in a flash, utilize the elastic deformation promotion piston of spring that the mouth of a river is expected that bullet is from stripper plate, allow mouth of a river material come off automatically, and needn't win with artificial or manipulator, guarantee safety in production, shortened molding time, improved production efficiency.
Cause stripper plate to be worn and need and repair in order to solve friction between mouth of a river crochet hook and the stripper plate, make the problem of maintenance cost rising, the utility model is equipped with a wear-resisting mouth of a river crochet hook cover in the crochet hook hole of stripper plate, and mouth of a river crochet hook passes wear-resisting mouth of a river crochet hook cover.The profile of described wear-resisting mouth of a river crochet hook cover is that cone, both ends of the surface are the plane, and wear-resisting mouth of a river crochet hook cover is fixed on the stripper plate and with stripper plate and moves.Increase after the crochet hook cover of the wear-resisting mouth of a river, avoided the direct friction of crochet hook and stripper plate, when being enclosed within the materials flow HTHP, mouth of a river crochet hook and wear-resisting mouth of a river crochet hook impact down, when wearing and tearing appear in frequent motion, can change at any time, need not stripper plate is repaired, reduced the maintenance cost of mould, improved production efficiency.
Diminish product appearance in order to solve existence such as existing sub marine gate, side gate, some cast gate, need processing after the formed product, cause the high shortcoming of production cost, the utility model is inlaid with some ox horn type inlaid types and inserts in formpiston, some ox horn type inlaid types are inserted and are belonged to the part of formpiston, be installed in the die cavity B plate after piecing together with the other parts of formpiston, described ox horn type inlaid type is provided with running channel in inserting, and described running channel is communicated with some cast gate and moulding die cavity on the former.
Running channel in described ox horn type inlaid type is inserted is an ox horn shape, and wherein the top of the horn is communicated with the moulding die cavity, and the angle is followed with the described some cast gate that is arranged on the formpiston and is communicated with.
Described ox horn type inlaid type is inserted and is combined by the left and right sides two parts that become the mirror image symmetry, and left and right sides two parts connect by alignment pin, and each part is provided with ox horn type groove, and two-part ox horn type constitutes running channel.Adopt the design of two halves, it is easy to process to make ox horn type inlaid type insert, and left and right sides accurate positioning, assembling and replacing are convenient.After injection moulding, cast gate need not back processing, do not decrease the outward appearance of product, but optional position, angle are settled on the mould, solved traditional cast gate processing difficulties, maintenance is difficult for, diminishes the problem that will process position, the mouth of a river once more after the outward appearance of product and the formed product, has improved production efficiency, has reduced production cost.
Description of drawings
Further specify the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the come off structural representation of device of the described cold burden of utility model.
Fig. 3 is the structural representation of the described dual-purpose sprue bush of utility model.
Fig. 4 is the structural representation of the described wear-resisting mouth of a river of utility model crochet hook cover.
The structural representation that Fig. 5 inserts for ox horn type inlaid type described in the utility model.
Fig. 6 is the insert structural representation of left half of described ox horn type inlaid type.
Fig. 7 is the insert structural representation of right half of described ox horn type inlaid type.
The specific embodiment
Referring to Fig. 1, a kind of plastic injecting mold with energy-saving and cost-reducing running gate system comprises the mould bases that is made of cope match-plate pattern 11, lower bolster 12, mould pin 13, stripper plate 14, liftout component 15 and guide pillar 16, guide pin bushing 17a, 17b; By die cavity A plate 21 and die cavity B plate 22 and be installed in die cavity A plate 21 and die cavity B plate 22 in the profiled part that constitutes of positive and negative moulds 23,24; Running gate system.
Die cavity B plate 22 is fixedly linked by mould pin 13 and securing member and lower bolster 12, and guide pillar 16 is fixedly mounted on the cope match-plate pattern 11, and passes and be arranged on stripper plate 14 and with 17b cope match-plate pattern 11 linked to each other with guide pin bushing 17a on the die cavity A plate 21 with stripper plate 14, die cavity A plate 21; Stripper plate 14 and die cavity A plate 21 can slide at guide pillar 16.
The pull bar 18 that makes die cavity A, 21,22 fens moulds of B plate also is installed on stripper plate 14; Also have the hole 221,222 that can hold guide pillar 16 and pull bar 18 on die cavity B plate 22, during matched moulds, unnecessary guide pillar 16 and pull bar 18 can be accommodated in respectively in the hole 221,222.
Also comprise the liftout attachment 15 that is made of push pedal 151 and mouth of a river thimble 152 in the whole mould bases, mouth of a river thimble 152 is fixed in the push pedal 151, and the centre hole 223 on the die cavity B plate 22 is passed in the upper end; During the demoulding, the push rod on the injector promotes push pedal 151 and travels forward, and push pedal 151 promotes mouth of a river thimble 152 again workpiece is ejected.
At die cavity B plate 22 matched moulds guide pillar 224 and former 24 are housed, die cavity A plate 21 is provided with formpiston 23 and matched moulds guide pin bushing 211, and matched moulds guide pillar 224 inserts in the matched moulds guide pin bushing 211, makes yin, yang mould 24,23 matched moulds exactly.
Formpiston 23 and former 24 are provided with moulding die cavity 231 and 241.
Running gate system comprises sprue bush 31, be arranged on runner 212, the mouth of a river crochet hook 32 on the die cavity A plate 21 and be arranged on some cast gate 242 on the former 24.
Referring to Fig. 3, sprue bush 31 is one to be installed in the dual-purpose sprue bush in the sprue bush installing hole 111 at cope match-plate pattern 11 centers, and a nozzle receptacle 311 is arranged in dual-purpose sprue bush; The bottom surface 312 of nozzle receptacle 311 is the plane, at the center of nozzle receptacle 311 bottom surfaces one nozzle detent 313 is arranged; The front end face 314 of dual-purpose sprue bush also is a plane, is provided with an awl protruding 315 at the center of front end face 314; Have a sprue 316 at awl protruding 315 center and have the annular groove 317 of mouth of a river crochet hook effect together at the front end of awl protruding 315; Nozzle receptacle 311, nozzle detent 313 and sprue 316 in the dual-purpose sprue bush are positioned on the same axis.
Referring to Fig. 1, in the centre bore 141 of stripper plate 14, be equipped with one and be convenient to assembling and the sheath 142 that keeps in repair between dual-purpose sprue bush 31 and the stripper plate 14.The centre bore 141 of stripper plate 14 is a stepped hole, so that the installation of sheath 142 and fixing.
The sprue bush installing hole 111 at cope match-plate pattern 11 centers is a stepped hole, so that the installation of dual-purpose sprue bush and location.
The profile of sprue bush 31 the first half is a stairstepping, is positioned at this sprue bush installing hole 111.
Mouth of a river crochet hook 318 and side pilot pin 319 also are housed in dual-purpose sprue bush.
Also be provided with a groove 143 that can hold dual-purpose sprue bush the latter half at the center of stripper plate 14, groove 143 is concentric with centre bore 141.The purpose of doing like this can be so that dual-purpose sprue bush and cope match-plate pattern 11, stripper plate 14 coincide, and again can flexible motion.
Referring to Fig. 1, during installation, sheath 142 is fixed in the centre bore 141 of stripper plate 14 and with stripper plate 14 motions, dual-purpose sprue bush is fixed on the cope match-plate pattern 11, sprue 316 on it connects with the runner that is arranged in die cavity A plate 21 212, logical, runner 212 is communicated with some cast gate 242 on the former 24 again.
Referring to Fig. 1 and Fig. 4, wear-resisting mouth of a river crochet hook cover 33 is housed and in the crochet hook hole 144 of stripper plate 14 with stripper plate 14 motions.The profile of wear-resisting mouth of a river crochet hook cover 33 is that cone, both ends of the surface are the plane.Mouth of a river crochet hook 32 is fixed on the cope match-plate pattern 11 and passes wear-resisting mouth of a river crochet hook cover 33 on the stripper plate 14, increases after the wear-resisting mouth of a river crochet hook cover 33, has avoided the direct friction of crochet hook 32 with stripper plate 14.
Referring to Fig. 1, the cold burden that makes mouth of a river material the break away from stripper plate automatically device 4 that comes off is installed on stripper plate 14.
Referring to Fig. 3, this cold burden device 4 that comes off comprises outer shell 41, piston 42, spring 43, and piston 42 is the hollow cylinder structure, has a locating hole 421 on the external annulus of piston 42.The cylinder mouth of outer shell 41 is reducing 411, has a screwed hole 412 at the cylinder bottom center.
Piston 42 is active in the plunger shaft 412 of outer shell 41, outwardly, spring 43 is compressed in this plunger shaft 412 at the bottom of it outwardly at the bottom of it.Reducing 411 and piston 42 matched in clearance.
In locating hole 421, be fixed with alignment pin 422.For the ease of alignment pin 422 is installed, on the casing wall 412 of outer shell 41, have radially an installing hole 4121, in alignment pin 421 inserts and be driven into locating hole 421 on the piston 42 from installing hole 4121.
When piston 42 rose to extreme position, alignment pin 422 was subjected to the restriction of the reducing 411 on the outer shell 41, and piston 42 is no longer risen.
When the installation cold burden comes off device 4, an installing blind 144 that matches with outer shell 41 external diameters and a bolt hole 145 offered in appropriate location on stripper plate 14, the cold burden device 4 that comes off is pressed in the installing blind 144, passes bolt hole 145 and screw in the screwed hole 412 on outer shell 41 cylinder bottoms and tighten with a bolt 146 this cold burden device 4 that comes off is installed on the stripper plate 14.
During the demoulding, the cold burden device that comes off can expect that 5 break away from mouth of a river crochet hooks 32 in a flash at the mouth of a river, utilize the elastic deformation promotion piston 42 of spring 43 that the mouth of a river is expected that 5 bullets are from stripper plate 14, allow mouth of a river material 5 come off automatically, and needn't win with artificial or manipulator, guarantee safety in production, shortened molding time, improved production efficiency.
When answering mould, die cavity A plate 21 promotes down, and piston 42 is pushed back in the outer shell 41 again, waits for action next time.
Referring to Fig. 1, diminish product appearance in order to solve existence such as existing sub marine gate, side gate, some cast gate, need processing after the formed product, cause the high shortcoming of production cost, in formpiston 23, be inlaid with some ox horn type inlaid types and insert 6, some ox horn type inlaid types 6 parts that belong to formpiston 23 of inserting are installed in the die cavity B plate 22 after piecing together with the other parts of formpiston 23.
Referring to Fig. 5, Fig. 6, Fig. 7, insert left and right sides two parts 61,62 two parts of 6 one-tenth mirror image symmetries of described ox horn type inlaid type are combined by alignment pin 63, each part 61,62 is provided with ox horn type groove 61a and 62a, and two-part ox horn type groove 61a and 62a constitute the running channel 64 of an ox horn shape.The top of the horn of the running channel 64 of ox horn shape is communicated with moulding die cavity 231, the angle follow be arranged on former 24 on some cast gate 242 be communicated with.Adopt such structure, it is 6 easy to process that ox horn type inlaid type is inserted, and left and right sides accurate positioning, assembling and replacing are convenient.After injection moulding, cast gate need not back processing, do not decrease the outward appearance of product, but optional position, angle are settled on the mould, solved traditional cast gate processing difficulties, maintenance is difficult for, diminishes the problem that will process position, the mouth of a river once more after the outward appearance of product and the formed product, has improved production efficiency, has reduced production cost.
Certainly,, do not spend performing creative labour, on the basis of the foregoing description, can do multiple variation, can realize the purpose of this utility model equally for one of ordinary skill in the art.But above-mentioned various variations obviously should be in the protection domain of claims of the present utility model.
Claims (10)
1, a kind of plastic injecting mold with energy-saving and cost-reducing running gate system comprises:
The mould bases that constitutes by upper and lower template, mould pin, stripper plate, liftout component and guide pillar, guide pin bushing;
By die cavity A plate and die cavity B plate and be installed in die cavity A plate and die cavity B plate in the profiled part that constitutes of yin, yang mould;
Running gate system;
Wherein die cavity B plate links to each other with lower bolster by mould pin and securing member, and guide pillar is installed on the cope match-plate pattern, and passes and be arranged on stripper plate and with guide pin bushing on the die cavity A plate cope match-plate pattern linked to each other with stripper plate, die cavity A plate; The pull bar that makes die cavity A, B plate divide mould also is installed on stripper plate; Also comprise push pedal and mouth of a river thimble in the mould bases, mouth of a river thimble is fixed in the push pedal, and the centre hole on the die cavity B plate is passed in the upper end; On die cavity B plate matched moulds guide pillar and formpiston are installed, die cavity A plate is provided with former and matched moulds guide pin bushing, and the matched moulds guide pillar inserts in the matched moulds guide pin bushing, makes yin, yang mould matched moulds exactly; Former and formpiston are provided with the moulding die cavity; Running gate system comprises sprue bush, be arranged on runner, the mouth of a river crochet hook on the die cavity A plate and be arranged on some cast gate on the former, sprue bush is installed on the cope match-plate pattern and in the centre bore through the stripper plate center and communicates with described sprue, runner is arranged in the upper surface of die cavity A plate and is communicated with some cast gate on the former, mouth of a river crochet hook is fixed on the cope match-plate pattern and passes the crochet hook hole that is opened on the stripper plate, it is characterized in that:
Described sprue bush is one to be installed in the dual-purpose sprue bush in the sprue bush installing hole at cope match-plate pattern center, in described dual-purpose sprue bush a nozzle receptacle is arranged; The bottom surface of described nozzle receptacle is the plane, and a nozzle detent is arranged at the center of nozzle receptacle bottom surface; The front end face of described dual-purpose sprue bush is a plane, and be provided with an awl at the center of front end face protruding; Have a sprue at the protruding center of awl and have the annular groove of mouth of a river crochet hook effect together at the protruding front end of awl; Nozzle receptacle, nozzle detent and sprue in the dual-purpose sprue bush are positioned on the same axis.
2, a kind of plastic injecting mold with energy-saving and cost-reducing running gate system as claimed in claim 1 is characterized in that: be equipped with one and be convenient to assembling and the sheath that keeps in repair between dual-purpose sprue bush and the stripper plate in the centre bore of described stripper plate.
3, a kind of plastic injecting mold as claimed in claim 1 with energy-saving and cost-reducing running gate system, it is characterized in that: the sprue bush installing hole at described cope match-plate pattern center is a stepped hole, described dual-purpose sprue bush the first half is positioned at this sprue bush installing hole; Also be provided with a groove that can hold dual-purpose sprue bush the latter half at the center of stripper plate, groove is concentric with described centre bore.
4, a kind of plastic injecting mold with energy-saving and cost-reducing running gate system as claimed in claim 1 or 2 is characterized in that: the cold burden that makes mouth of a river material the break away from stripper plate automatically device that comes off is installed on described stripper plate.
5, a kind of plastic injecting mold as claimed in claim 4 with energy-saving and cost-reducing running gate system, it is characterized in that: the described cold burden device that comes off comprises outer shell, piston, spring, piston is active in the plunger shaft of outer shell and with spring and is compressed in this plunger shaft, is provided with alignment pin on piston.
6, a kind of plastic injecting mold with energy-saving and cost-reducing running gate system as claimed in claim 4, it is characterized in that: the cylinder bottom center at outer shell has a screwed hole.
7, a kind of plastic injecting mold with energy-saving and cost-reducing running gate system as claimed in claim 1 or 2 is characterized in that: a wear-resisting mouth of a river crochet hook cover is housed in the crochet hook hole of described stripper plate, and mouth of a river crochet hook passes wear-resisting mouth of a river crochet hook cover.
8, a kind of plastic injecting mold as claimed in claim 1 or 2 with energy-saving and cost-reducing running gate system, it is characterized in that: in described formpiston, be inlaid with some ox horn type inlaid types and insert, some ox horn type inlaid types are inserted and are belonged to the part of formpiston, be installed in the die cavity B plate after piecing together with the other parts of formpiston, described ox horn type inlaid type is provided with running channel in inserting, and described running channel is communicated with some cast gate and moulding die cavity on the former.
9, a kind of plastic injecting mold as claimed in claim 8 with energy-saving and cost-reducing running gate system, it is characterized in that: the running channel in described ox horn type inlaid type is inserted is an ox horn shape, wherein the top of the horn is communicated with the moulding die cavity, and the angle is followed with the described some cast gate that is arranged on the former and is communicated with.
10, a kind of plastic injecting mold as claimed in claim 9 with energy-saving and cost-reducing running gate system, it is characterized in that: described ox horn type inlaid type is inserted and is combined by the left and right sides two parts that become the mirror image symmetry, left and right sides two parts connect by alignment pin, each part is provided with ox horn type groove again, and two-part ox horn type constitutes running channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620038781 CN2878029Y (en) | 2006-01-09 | 2006-01-09 | Plastic injection mould with energy-saving consumption-reducing pouring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620038781 CN2878029Y (en) | 2006-01-09 | 2006-01-09 | Plastic injection mould with energy-saving consumption-reducing pouring system |
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| Publication Number | Publication Date |
|---|---|
| CN2878029Y true CN2878029Y (en) | 2007-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620038781 Expired - Lifetime CN2878029Y (en) | 2006-01-09 | 2006-01-09 | Plastic injection mould with energy-saving consumption-reducing pouring system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121265A (en) * | 2013-03-13 | 2013-05-29 | 健大电业制品（昆山）有限公司 | Three-plate mold structure |
| CN107825660A (en) * | 2017-11-09 | 2018-03-23 | 安徽宁国中鼎模具制造有限公司 | A kind of stabilization bar bushing injection mold |
| CN109531934A (en) * | 2019-01-28 | 2019-03-29 | 广州市正业塑料模具有限公司 | A kind of injection mold |
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2006
- 2006-01-09 CN CN 200620038781 patent/CN2878029Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121265A (en) * | 2013-03-13 | 2013-05-29 | 健大电业制品（昆山）有限公司 | Three-plate mold structure |
| CN103121265B (en) * | 2013-03-13 | 2015-07-01 | 健大电业制品（昆山）有限公司 | Three-plate mold structure |
| CN107825660A (en) * | 2017-11-09 | 2018-03-23 | 安徽宁国中鼎模具制造有限公司 | A kind of stabilization bar bushing injection mold |
| CN107825660B (en) * | 2017-11-09 | 2024-06-07 | 安徽宁国中鼎模具制造有限公司 | Stabilizer bar bush injection mold |
| CN109531934A (en) * | 2019-01-28 | 2019-03-29 | 广州市正业塑料模具有限公司 | A kind of injection mold |
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