CN104960158A - Half mold structure capable of easily ensuring coaxiality of plastic part - Google Patents
Half mold structure capable of easily ensuring coaxiality of plastic part Download PDFInfo
- Publication number
- CN104960158A CN104960158A CN201510316895.4A CN201510316895A CN104960158A CN 104960158 A CN104960158 A CN 104960158A CN 201510316895 A CN201510316895 A CN 201510316895A CN 104960158 A CN104960158 A CN 104960158A
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- Prior art keywords
- mold insert
- push rod
- lower bolster
- actor
- rendering
- Prior art date
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- 229920003023 plastic Polymers 0.000 title claims abstract description 63
- 239000004033 plastic Substances 0.000 title claims abstract description 63
- 239000003292 glue Substances 0.000 claims abstract description 20
- 238000009877 rendering Methods 0.000 claims description 27
- 238000000465 moulding Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000003754 machining Methods 0.000 abstract 1
- 238000002347 injection Methods 0.000 description 12
- 239000007924 injection Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 238000007493 shaping process Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
- B29C45/401—Ejector pin constructions or mountings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
- B29C2045/0027—Gate or gate mark locations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/36—Moulds having means for locating or centering cores
- B29C2045/363—Moulds having means for locating or centering cores using a movable core or core part
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C2045/4063—Removing or ejecting moulded articles preventing damage to articles caused by the ejector
Abstract
The invention discloses a half mold structure capable of easily ensuring coaxiality of a plastic part. The half mold structure comprises a lower mold structure. An upper mold structure is arranged on the lower mold structure. An upper insert with a glue inlet hole is arranged on the bottom face of an upper mold board at the bottom of the upper mold structure. A lower insert is arranged on the upper surface of a lower mold board at the top of the lower mold structure. The glue inlet hole is communicated with forming cavities formed in the upper insert and the lower insert through a glue runner of the upper insert and/or a glue runner of the lower insert. When the upper mold structure and the lower mold structure coincide, the forming cavities of the upper insert and the lower insert are combined together to form a complete cavity perpendicular to the mold opening direction. The mold structure is horizontally formed, the injection molding pressure is small, the injection molding speed is low, a mold core is not prone to be punched bent, and the coaxiality is good. The mold core does not need to be frequently replaced, so that the production and machining cycle of the plastic part is shortened.
Description
Technical field
The present invention relates to a kind of half_split block mould structure, particularly a kind of half_split block mould structure of easy guarantee plastic axiality.
Background technology
The shaping of coil rack class working of plastics is all generally adopt half_split block die cavity to be shaped, its shaped structure is all generally adopt vertically to be shaped, namely the mould structure that die cavity is consistent with die sinking direction, the mould structure of the type, when entering glue, molten plastic not only needs the cavity filling towards counterdie direction, need the cavity filling towards patrix direction simultaneously, injection pressure and the speed of needs are larger, when plastic endoporus is less, the core of its shaping endoporus rushes curved when easily being entered glue, make the plastic endoporus of the type relative to plastic profile, axiality is bad, not easily ensure the axiality of endoporus relative to plastic profile of the type plastic, simultaneously when core rush curved can not meet instructions for use time, need to change core frequently, so also have impact on the delivery time of part.Adopt vertically shaping mould structure, required pressure and speed are 90% of maximum, and the axiality of the plastic produced is only 0.1-0.14mm, produce 10000 working of plastics and just need replacing core, change the time that core then needs more than at least 2 days, extend the production and processing cycle of working of plastics greatly.
Summary of the invention
The object of the invention is to, a kind of half_split block mould structure of easy guarantee plastic axiality is provided.This mould structure adopt horizontal form, injection pressure and speed less, core is not easily rushed curved, and axiality is good, does not need frequently to change core, shortens the production and processing cycle of working of plastics.
Technical scheme of the present invention: a kind of half_split block mould structure of easy guarantee plastic axiality, include lower die structure, lower die structure is provided with upper die structure, the bottom surface of the cope match-plate pattern of the bottom of upper die structure is provided with the upper mold insert with glue feeding opening, the upper surface of the lower bolster at the top of lower die structure is provided with lower mold insert, glue feeding opening is communicated with the forming recess that upper mold insert and lower mold insert are provided with through the solation road be located on upper mold insert and/or lower mold insert, when upper, when lower die structure overlaps, forming recess on upper mold insert and lower mold insert combines formation complete molding cavities, this die cavity is vertical with die sinking direction.
The half_split block mould structure of aforesaid easy guarantee plastic axiality, described upper mold insert includes the first mold insert be located on cope match-plate pattern bottom surface, is provided with the second mold insert on the first mold insert side; Described lower mold insert includes and is located at the 3rd on the upper surface of lower bolster and inlays, and the side of the 3rd mold insert is provided with the 4th mold insert, and forming recess is separately positioned on the second mold insert and the 4th mold insert.
The half_split block mould structure of aforesaid easy guarantee plastic axiality, described lower die structure includes the base being provided with and penetrating hole, the top of base is provided with push rod backing plate, push rod backing plate both sides are provided with support, push rod backing plate is provided with push rod fixed head, support is provided with lower bolster, gap is there is between lower bolster and push rod fixed head, lower bolster is provided with lower bolster, the centre of lower bolster is provided with the 3rd mold insert, 3rd mold insert side is be provided with the 4th mold insert that core penetrates hole, the forming recess place of the 4th mold insert is provided with breach, 4th mold insert side is provided with core, core is connected with slide block, slide plate is provided with Angle Pin and puts into hole, the lower bolster of slide plate end is provided with pit, lower bolster and lower bolster are provided with Angle Pin and put into chamber, push back pin an actor's rendering of an operatic tune, push rod an actor's rendering of an operatic tune and guide pillar an actor's rendering of an operatic tune, push rod an actor's rendering of an operatic tune head end is just to the breach of the 4th mold insert, push back pin one end is fixed on push rod fixed head, its shaft penetrates in push back pin an actor's rendering of an operatic tune, the shaft that push back pin penetrates lower bolster has been inserted in retracting spring, push rod one end is fixed on push rod fixed head, its shaft head end penetrates to indentation, there.
The half_split block mould structure of aforesaid easy guarantee plastic axiality, described upper die structure includes the upper padding plate being provided with injecting hole, upper padding plate bottom surface is provided with cope match-plate pattern, the Angle Pin through cope match-plate pattern and guide pillar is also provided with in upper padding plate bottom surface, cope match-plate pattern bottom surface is provided with the first mold insert, and the glue feeding opening of the first mold insert is just to the injecting hole of upper padding plate.
The half_split block mould structure of aforesaid easy guarantee plastic axiality, described core is connected with slide block through plug screw.
The half_split block mould structure of aforesaid easy guarantee plastic axiality, the centre of described 3rd mold insert is provided with through hole, is also provided with sprue puller an actor's rendering of an operatic tune in lower bolster and lower bolster, the corresponding through hole of sprue puller an actor's rendering of an operatic tune head end, be provided with sprue puller in sprue puller an actor's rendering of an operatic tune, sprue puller head end is positioned at through hole.
The half_split block mould structure of aforesaid easy guarantee plastic axiality, described slide block both sides are respectively provided with 1 piece of press strip.
The half_split block mould structure of aforesaid easy guarantee plastic axiality, is provided with rubbish and follows closely between described base and push rod backing plate.
The half_split block mould structure of aforesaid easy guarantee plastic axiality, is provided with resilient balls between described slide plate and lower bolster.
The half_split block mould structure of aforesaid easy guarantee plastic axiality, described upper padding plate bottom surface is also provided through tiltedly carving of cope match-plate pattern.
Beneficial effect of the present invention: compared with prior art, the present invention is upper, lower die structure is provided with the die cavity vertical with injection moulding direction, so when entering glue, molten plastic injects from the injecting hole upper die structure, then level flows in the solation road be arranged on mold insert, in the forming recess that last Injection Level is arranged, only need fill in the horizontal plane in whole process, thus make the injection pressure of needs and speed be reduced to 70%-75% of maximum, pressure and speed reduce, just not easily core is rushed curved, so just easily ensure the axiality of the type plastic, axiality≤the 0.04mm of the working of plastics processed, easily be shaped simultaneously, core is not easily rushed curved, the mould that machined the working of plastics of more than 100,000 in actual production process does not now still need to change core at present, thus highly shortened the production cycle of working of plastics, better ensure that the production delivery time of part.In use procedure of the present invention, move up by promoting push rod backing plate after injection moulding completes, drive on push rod and move, working of plastics is ejected die cavity and realizes the demoulding by push rod; After the demoulding completes under the effect of retracting spring, push rod backing plate drives push rod to return back to initial position; Be provided with tiltedly to carve and can avoid, in slide block injection moulding process, microdisplacement occurs, by Angle Pin and tiltedly carve the Dual positioning realizing slide block, thus ensure the position of core; By regulating plug screw, thus be convenient to regulate core to stretch out length, thus realize the molding structure of adjustment working of plastics; In injection moulding process, sprue puller head end contacts with the bottom of working of plastics, avoids working of plastics in point mold process to follow upper die structure and moves upward together, thus broken by working of plastics; Realized the location regulating action of slide block by press strip, thus ensure the quality of final plastic piece shaping; Be provided with rubbish to order, avoid the rear impurity that moves up of push rod backing plate in die sinking process to fall between base and push rod backing plate, cause out-of-flatness between contact surface after matched moulds; Realize whole upper and lower mould structure to be separately fixed at together by upper and lower screw.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 is the plan structure schematic diagram of lower die structure;
What accompanying drawing 3 was upper die structure looks up structural representation;
Accompanying drawing 4 is the side structure schematic diagram of accompanying drawing 1;
Accompanying drawing 5 is the sectional view of the B-B of accompanying drawing 2;
Accompanying drawing 6 is the structural representation of push rod;
Accompanying drawing 7 is the structural representation of the 4th mold insert;
Reference numeral: 1-base, 2-rubbish is followed closely, 3-push rod backing plate, 4-push rod fixed head, 5-push back pin, 6-retracting spring, 7-lower bolster, 8-lower bolster, 9-cope match-plate pattern, 10-tiltedly carves, 11-upper padding plate, 12-Angle Pin, 13-slide block, 14-plug screw, 15-core, 16-guide pillar, 17-screwing, screw under 18-, 19-push rod, 20-penetrates hole, 21-first mold insert, 22-second mold insert, 23-the 3rd mold insert, 24-the 4th mold insert, 25-solation road, 26-forming recess, 27-glue feeding opening, 28-through hole, 29-press strip, 30-sprue puller, 31-support, 32-resilient balls, 33-breach.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated, but not as the foundation limited the present invention.
Embodiments of the invention: a kind of half_split block mould structure of easy guarantee plastic axiality, as shown in accompanying drawing 1-7, include lower die structure, lower die structure is provided with upper die structure, the bottom surface of the cope match-plate pattern 9 of the bottom of upper die structure is provided with the upper mold insert with glue feeding opening 27, the upper surface of the lower bolster 8 at the top of lower die structure is provided with lower mold insert, glue feeding opening 27 is communicated with the forming recess 26 that upper mold insert and lower mold insert are provided with through the solation road 25 be located on upper mold insert and/or lower mold insert, when upper, when lower die structure overlaps, forming recess 26 on upper mold insert and lower mold insert combines formation complete molding cavities, this die cavity is vertical with die sinking direction.
When this mould uses, be arranged on by mould on injection machine, the injecting hole that in injection moulding process, molten plastic is established on mold flows in glue feeding opening 27, then flows into forming recess 26 shaping from glue feeding opening 27 through solation road 25, obtains final plastic.
Described upper mold insert includes the first mold insert 21 be located on cope match-plate pattern 9 bottom surface, is respectively provided with 1 the second mold insert 22 in the first both sides, mold insert 21 side; Described lower mold insert include be located at lower bolster 8 upper surface on the 3rd inlay 23, the both sides, side of the 3rd mold insert 23 are respectively provided with the 4th mold insert 24 of 1 U-shaped structure, and forming recess 26 is separately positioned on the second mold insert 22 and the 4th mold insert 24.First mold insert 21 is corresponding with the 3rd mold insert 23 position, and the second mold insert 22 is corresponding with the 4th mold insert 24 position.When upper and lower mould matched moulds, second mold insert 22 snaps in the 4th mold insert 24 of U-shaped structure, by the 4th mold insert 24, location is realized to the second mold insert 22, ensure that matched moulds aftershaping die cavity 26 can not misplace, thus ensure that the quality of finally processing the working of plastics obtained.
Described lower die structure includes the base 1 being provided with and penetrating hole 20, the top of base 1 is provided with push rod backing plate 3, push rod backing plate 3 both sides are respectively provided with 1 support 31, push rod backing plate 3 is provided with push rod fixed head 4, support 31 is provided with lower bolster 7, certain mobile space is there is between lower bolster 7 and push rod fixed head 4, lower bolster 7 is provided with lower bolster 8, the centre of lower bolster 8 is provided with the 3rd mold insert 23, 3rd mold insert 23 side is be provided with the 4th mold insert 24 that core penetrates hole, forming recess 26 place of the 4th mold insert 24 is provided with breach 33, 4th mold insert 24 side is provided with core 15, core 15 is connected with slide block 13, slide plate 13 is provided with Angle Pin and puts into hole, the lower bolster 8 of slide plate 13 end is provided with pit, lower bolster 7 and lower bolster 8 are provided with Angle Pin and put into chamber, push back pin an actor's rendering of an operatic tune, push rod an actor's rendering of an operatic tune and guide pillar an actor's rendering of an operatic tune, 2 push rod an actor's rendering of an operatic tune head ends are respectively just to the breach 33 of 1 the 4th mold insert 24, push back pin 5 one end is fixed on push rod fixed head 4, its shaft penetrates in push back pin an actor's rendering of an operatic tune, the shaft that push back pin 5 penetrates lower bolster 7 has been inserted in retracting spring 6, push rod 19 one end is fixed on push rod fixed head 4, its shaft penetrates in push rod an actor's rendering of an operatic tune, its head end is U-shaped structure, identical with the U-shaped structure of forming recess 26, the head end of push rod 19 stretches to forming recess 26 place from breach 33.Base 1, support 31, lower bolster 7 and lower bolster 8 are fixed together by lower screw 18.
And described upper die structure includes the upper padding plate 11 being provided with injecting hole, upper padding plate 11 bottom surface is provided with cope match-plate pattern 9, be fixed by screwing 17 between the two, the Angle Pin 12 through cope match-plate pattern 9 and guide pillar 16 is also provided with in upper padding plate 11 bottom surface, cope match-plate pattern 9 bottom surface is provided with the glue feeding opening 27 of the first mold insert 21, first mold insert 21 just to the injecting hole of upper padding plate 11.
When this mould uses, lower die structure is fixed on the bottom of injection machine, and upper die structure is fixed in the top travel mechanism of injection machine.The top travel mechanism of injection machine drives upper die structure to move down, and positions movement in moving process by guide pillar 16.In the oblique process of stretching out of Angle Pin 12, movable slider 13 can be with to move inwards, after core 15 penetrates hole through the core on the 4th mold insert 24, stretch in forming recess 26, simultaneously upper and lower mould structure has fit together whole matched moulds process, and the forming recess 26 of the second mold insert 22 and the forming recess 26 of the 4th mold insert 24 combine formation complete molding cavities.Because the injecting hole on upper padding plate 11 is connected with injection molded tube, molten plastic injects injecting hole, then flows in the glue feeding opening 27 of the first mold insert 21, then flows in forming recess 26 through solation road 25, molten plastic cooling aftershaping.Then carry out parting work, top travel mechanism drives upper die structure up, and in up process, Angle Pin 12 is with movable slider 13 outwards movement, thus makes core 15 exit forming recess 26.Then the ejecting mechanism action of injection machine bottom, upwards eject and penetrate from the hole 20 that penetrates base 1, act on the bottom surface of push rod backing plate 3, promote push rod backing plate 3 to move up in mobile space together with push rod fixed head 4, thus push rod 19 is moved up in push rod an actor's rendering of an operatic tune, the head end of final push rod 19 can eject from the breach 33 of the 4th mold insert 24 corresponding to push rod an actor's rendering of an operatic tune, act on the bottom of molding plastic part, ejected from forming recess 26 by working of plastics, then workman uses instrument to be taken away by working of plastics.In the process that push rod backing plate 3 moves up, push rod fixed head 4 can compress retracting spring 6, after working of plastics is taken away, ejecting mechanism is regained downwards, retracting spring 6 recovers original shape, under the effect of spring-return power, push rod fixed head 4 and push rod backing plate 3 are pushed up back initial position downwards, prepare matched moulds next time.
Described core 15 is connected with slide block 13 through plug screw 14, and the length that core 15 stretches in forming recess 26 regulates by regulating plug screw 14.
The centre of described 3rd mold insert 23 is provided with through hole 28, is also provided with sprue puller an actor's rendering of an operatic tune in lower bolster 7 and lower bolster 8, and the corresponding through hole 28 of sprue puller an actor's rendering of an operatic tune head end, be provided with sprue puller 30 in sprue puller an actor's rendering of an operatic tune, sprue puller 30 head end is positioned at through hole 28 place.In injection moulding process, the head end of this sprue puller 30 is positioned at bottom the through hole 28 of the 3rd mold insert 23, in plastic piece shaping process, sprue puller 30 head end is together with the plastic bonding of melting, in the process that upper die structure can be avoided when parting up, upper die structure drives shaping working of plastics to move up together, avoids working of plastics to be drawn bad.
Described slide block 13 both sides are respectively provided with between 1 piece of press strip, 29, two press strips 29 and form slider track, play a guide effect, ensure the precision of slide block movement to slide block 13, thus ensure the precision of finally processing the working of plastics obtained.
Will there is gap between base 1 and push rod backing plate 3, the impurity that may have other in ejection process falls in this gap, when initial position got back to by push rod backing plate 3, just may cause push rod backing plate 3 run-off the straight, thus push rod 19 is deflected.Between base 1 and push rod backing plate 3, be provided with rubbish for this reason follow closely 2, rubbish nail 2 upwards withstands push rod backing plate 3, makes to there is gap between push rod backing plate 3 and base 1, can not impact when impurity falls to base 1 surface to push rod backing plate 3.
Be provided with resilient balls 32 between described slide plate 13 and lower bolster 8, make in Angle Pin 12 motion process, be more prone to band movable slider 13 and move, thus ensure that core 15 puts in place.
What described upper padding plate 11 bottom surface was also provided through cope match-plate pattern 9 tiltedly carves 10, and after matched moulds completes, tiltedly carve the tail end that 10 prop up slide block 13, the effect avoiding core 15 in injection moulding process to be subject to injection pressure backward rollback occurs, thus affects injection mo(u)lding quality.
Claims (10)
1. one kind easily ensures the half_split block mould structure of plastic axiality, it is characterized in that: include lower die structure, lower die structure is provided with upper die structure, the bottom surface of the cope match-plate pattern (9) of the bottom of upper die structure is provided with the upper mold insert with glue feeding opening (27), the upper surface of the lower bolster (8) at the top of lower die structure is provided with lower mold insert, glue feeding opening (27) is communicated with the forming recess (26) that upper mold insert and lower mold insert are provided with through the solation road (25) be located on upper mold insert and/or lower mold insert, when upper, when lower die structure overlaps, forming recess (26) on upper mold insert and lower mold insert combines formation complete molding cavities, this die cavity is vertical with die sinking direction.
2. the half_split block mould structure of easy guarantee plastic axiality according to claim 1, it is characterized in that: described upper mold insert includes the first mold insert (21) be located on cope match-plate pattern (9) bottom surface, is provided with the second mold insert (22) on the first mold insert (21) side; Described lower mold insert include be located at lower bolster (8) upper surface on the 3rd to inlay (23), the side of the 3rd mold insert (23) is provided with the 4th mold insert (24), and forming recess (26) is separately positioned on the second mold insert (22) and the 4th mold insert (24).
3. the half_split block mould structure of easy guarantee plastic axiality according to claim 1 and 2, it is characterized in that: described lower die structure includes the base (1) being provided with and penetrating hole (20), the top of base (1) is provided with push rod backing plate (3), push rod backing plate (3) both sides are provided with support (31), push rod backing plate (3) is provided with push rod fixed head (4), support (31) is provided with lower bolster (7), gap is there is between lower bolster (7) and push rod fixed head (4), lower bolster (7) is provided with lower bolster (8), the centre of lower bolster (8) is provided with the 3rd mold insert (23), 3rd mold insert (23) side is be provided with the 4th mold insert (24) that core penetrates hole, forming recess (26) place of the 4th mold insert (24) is provided with breach (33), 4th mold insert (24) side is provided with core (15), core (15) is connected with slide block (13), slide plate (13) is provided with Angle Pin and puts into hole, the lower bolster (8) of slide plate (13) end is provided with pit, lower bolster (7) and lower bolster (8) are provided with Angle Pin and put into chamber, push back pin an actor's rendering of an operatic tune, push rod an actor's rendering of an operatic tune and guide pillar an actor's rendering of an operatic tune, push rod an actor's rendering of an operatic tune head end is just to the breach (33) of the 4th mold insert (24), push back pin (5) one end is fixed on push rod fixed head (4), its shaft penetrates in push back pin an actor's rendering of an operatic tune, the shaft that push back pin (5) penetrates lower bolster (7) has been inserted in retracting spring (6), push rod (19) one end is fixed on push rod fixed head (4), its shaft head end penetrates to breach (33) place.
4. the half_split block mould structure of easy guarantee plastic axiality according to claim 1 and 2, it is characterized in that: described upper die structure includes the upper padding plate (11) being provided with injecting hole, upper padding plate (11) bottom surface is provided with cope match-plate pattern (9), the Angle Pin (12) through cope match-plate pattern (9) and guide pillar (16) is also provided with in upper padding plate (11) bottom surface, cope match-plate pattern (9) bottom surface is provided with the first mold insert (21), and the glue feeding opening (27) of the first mold insert (21) is just to the injecting hole of upper padding plate (11).
5. the half_split block mould structure of easy guarantee plastic axiality according to claim 3, is characterized in that: described core (15) is connected with slide block (13) through plug screw (14).
6. the half_split block mould structure of easy guarantee plastic axiality according to claim 3, it is characterized in that: the centre of described 3rd mold insert (23) is provided with through hole (28), sprue puller an actor's rendering of an operatic tune is also provided with in lower bolster (7) and lower bolster (8), the corresponding through hole (28) of sprue puller an actor's rendering of an operatic tune head end, be provided with sprue puller (30) in sprue puller an actor's rendering of an operatic tune, sprue puller (30) head end is positioned at through hole (28) place.
7. the half_split block mould structure of easy guarantee plastic axiality according to claim 3, is characterized in that: described slide block (13) both sides are respectively provided with 1 piece of press strip (29).
8. the half_split block mould structure of easy guarantee plastic axiality according to claim 3, is characterized in that: be provided with rubbish between described base (1) and push rod backing plate (3) and follow closely (2).
9. the half_split block mould structure of easy guarantee plastic axiality according to claim 3, is characterized in that: be provided with resilient balls (32) between described slide plate (13) and lower bolster (8).
10. the half_split block mould structure of easy guarantee plastic axiality according to claim 4, is characterized in that: described upper padding plate (11) bottom surface is also provided through tiltedly carving (10) of cope match-plate pattern (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510316895.4A CN104960158B (en) | 2015-06-11 | 2015-06-11 | A kind of easy half_split block mould structure for ensureing plastic concentricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510316895.4A CN104960158B (en) | 2015-06-11 | 2015-06-11 | A kind of easy half_split block mould structure for ensureing plastic concentricity |
Publications (2)
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| CN104960158A true CN104960158A (en) | 2015-10-07 |
| CN104960158B CN104960158B (en) | 2018-06-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117359883A (en) * | 2023-12-05 | 2024-01-09 | 天津汇友连众精密模具股份有限公司 | Gear shaft injection mold |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4751037A (en) * | 1986-03-21 | 1988-06-14 | Daniel Faneuf | Injection molding process with movable mold core and injection nozzle assembly |
| US20090081324A1 (en) * | 2007-09-20 | 2009-03-26 | Kuo Fei-Pin | Tri-plate injection die with changeable male and female die cores |
| CN201350679Y (en) * | 2009-02-12 | 2009-11-25 | 宁波南方塑料模具有限公司 | Shaft sleeve die |
| CN104227982A (en) * | 2014-09-25 | 2014-12-24 | 昆山伯建精密模具有限公司 | Injection mold |
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2015
- 2015-06-11 CN CN201510316895.4A patent/CN104960158B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4751037A (en) * | 1986-03-21 | 1988-06-14 | Daniel Faneuf | Injection molding process with movable mold core and injection nozzle assembly |
| US20090081324A1 (en) * | 2007-09-20 | 2009-03-26 | Kuo Fei-Pin | Tri-plate injection die with changeable male and female die cores |
| CN201350679Y (en) * | 2009-02-12 | 2009-11-25 | 宁波南方塑料模具有限公司 | Shaft sleeve die |
| CN104227982A (en) * | 2014-09-25 | 2014-12-24 | 昆山伯建精密模具有限公司 | Injection mold |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117359883A (en) * | 2023-12-05 | 2024-01-09 | 天津汇友连众精密模具股份有限公司 | Gear shaft injection mold |
| CN117359883B (en) * | 2023-12-05 | 2024-03-12 | 天津汇友连众精密模具股份有限公司 | Gear shaft injection mold |
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| CN104960158B (en) | 2018-06-05 |
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