CN110450360A - A kind of injection mold - Google Patents
A kind of injection mold Download PDFInfo
- Publication number
- CN110450360A CN110450360A CN201910794025.6A CN201910794025A CN110450360A CN 110450360 A CN110450360 A CN 110450360A CN 201910794025 A CN201910794025 A CN 201910794025A CN 110450360 A CN110450360 A CN 110450360A
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- China
- Prior art keywords
- forming blocks
- cover half
- inclined guide
- guide pillar
- chamber
- Prior art date
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- 238000002347 injection Methods 0.000 title claims abstract description 40
- 239000007924 injection Substances 0.000 title claims abstract description 40
- 238000000465 moulding Methods 0.000 claims abstract description 88
- 238000000926 separation method Methods 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 239000000243 solution Substances 0.000 abstract description 12
- 238000001746 injection moulding Methods 0.000 description 15
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- B29C45/44—Removing or ejecting moulded articles for undercut articles
- B29C45/4435—Removing or ejecting moulded articles for undercut articles using inclined, tiltable or flexible undercut forming elements driven by the ejector means
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of injection molds, are related to mould applications, its key points of the technical solution are that: including fixed half and moving half, cover half is provided with type chamber, it is correspondingly arranged on type core on dynamic model, further includes four forming blocks along the distribution of type chamber surrounding on cover half, type chamber is spliced to form by four forming blocks；The forming blocks being oppositely arranged are one group, and four forming blocks can be divided into the first molding group and the second molding group；Two opposite end faces of forming blocks of the first molding group include molding protrusion；The sliding of first molding group is connected on cover half, and the first pilot hole is offered in two forming blocks of the first molding group, and correspondence is fixed with the first inclined guide pillar on dynamic model；When being in molding state, the first inclined guide pillar is passed through in the first pilot hole, and there are mobile spaces for the side of the first inclined guide pillar release chamber remote with the first pilot hole.The sliding design of forming blocks, so that the better adaptability of mould structure, and avoid thimble and ejected, so that the quality of product is more preferable.
Description
Technical field
The present invention relates to mould applications, more specifically, it relates to a kind of injection mold.
Background technique
Refrigerator box is mainly used for food material in refrigerator and stores, the box body setting that existing refrigerator box is usually rectangle.Ice
The smooth interior surfaces of chamber are arranged, and the lateral wall of refrigerator box is further typically provided with groove, and groove is usually located at box body length direction
Bottom be used for for idler wheel install.
Refrigerator box is usually plastic material, is usually processed by injection mold.Existing refrigerator box injection mold is logical
It often include quiet mould and dynamic model, quiet mould is provided with the injection hole for injecting glue far from one end of dynamic model, and quiet mould is close to one end of dynamic model
Type chamber is offered, type core is correspondingly arranged on dynamic model.After quiet mould and dynamic model mold, type core embedded type chamber is spliced to form product
Molding space.Also sliding has ejector retainner plate on dynamic model, and several thimbles for demoulding, thimble is arranged close to the side of quiet mould in ejector retainner plate
Plate is additionally provided with close to one end of quiet mould so that reset spring of the ejector retainner plate far from quiet mould.When demoulding, first by dynamic model and quiet mould
Separation, product can be fixed on quiet mould at this time, then drive ejector retainner plate mobile by the hydraulic cylinder of injection molding machine so that thimble ejects,
Product is detached from from the type core of dynamic model by thimble.
Using above-mentioned mold, lead to product equipped with texture or the rounded slot of groove when reeded end face is arranged in refrigerator box
Can not directly by dividing mould to be separated when, cannot complete to process, have much room for improvement.
Summary of the invention
In view of the deficienciess of the prior art, the present invention provides a kind of injection mold, it cannot be direct with that can process
The advantages of product of point mould, better adaptability.
To achieve the above object, the present invention provides the following technical scheme that
A kind of injection mold, including fixed half and moving half, the cover half are provided with type chamber close to the side of dynamic model, and the cover half is separate
One end of dynamic model is provided with injection hole；It is correspondingly arranged on type core on the dynamic model, further includes four on the cover half along type chamber four
The forming blocks of week distribution, the type chamber are spliced to form by four forming blocks；The forming blocks being oppositely arranged are one group, four moldings
Block can be divided into the first molding group and the second molding group；Two opposite end faces of forming blocks of the first molding group include molding
Protrusion；The first molding group sliding is connected on cover half, the end face that two forming blocks of the first molding group are located remotely from each other
On offer the first pilot hole, it is corresponding on the dynamic model to be fixed with first pilot hole cooperation for controlling the first molding
Two forming blocks of group the first inclined guide pillar close to each other or separate, the first inclined guide pillar is towards the direction close to cover half towards far from type core
Direction inclination；The second molding group sliding is connected on cover half, and two forming blocks of the second molding group are located remotely from each other
End face on offer the second pilot hole, it is corresponding on the dynamic model to be fixed with second pilot hole cooperation for controlling the
Two forming blocks of two molding groups the second inclined guide pillar close to each other or separate, the second inclined guide pillar is towards the direction close to cover half towards remote
The direction of release core tilts；When being in molding state, first inclined guide pillar is passed through in the first pilot hole, and first tiltedly leads
There are mobile spaces for the side of column release chamber remote with the first pilot hole.
Through the above technical solutions, forming the lateral surface setting of raised embedded product when injection molding.During mold die sinking,
When dividing 0-3 millimeters of mould, mobile space can be for the first inclined guide pillar mobile space, the molding of the first molding group during this
Block will not be driven by the first inclined guide pillar and generate sliding, but the dynamic model of mold is subjected to displacement, and product is convex by the molding of two sides at this time
It rises and fixes, so that product and type core complete separation, so as to stay in type intracavitary for product.Then dynamic model continues to move to first tiltedly lead at this time
The cooperation of column and the first pilot hole is so that the forming blocks of the first molding group are located remotely from each other, while the second inclined guide pillar and the second pilot hole
Cooperation so that the forming blocks of the second molding group are located remotely from each other.Product is fixedly connected on cover half by the rubber head that injecting glue is formed at this time
On, then product can be separated by the sucker on operator or manipulator from cover half, realize demolding structure.Using
Above-mentioned mold, can product fluted to both ends or lines into injection molding, while product can also directly be demoulded to medium-sized chamber
Side, avoid subsequently through thimble ejected and cause product occur top trace the case where so that the quality of product is more preferable.
Additionally by the sliding design of forming blocks, mold is allowed to meet the injection molding of more contour structures, so that mould structure
Better adaptability.
Further, the inclined face setting in the end face of the remote release chamber of four forming blocks, and the inclination of the forming blocks
The axis of face and corresponding inclined guide pillar is arranged in parallel, and positioning chamber, the inner sidewall of the positioning chamber are correspondingly arranged on the dynamic model
End face cooperation for release chamber remote with forming blocks is oriented to.
It is oriented to through the above technical solutions, being contradicted by the inclined surface of positioning chamber and forming blocks, reduces inclined guide pillar
In addition stress condition between pilot hole can also be determined when mold clamping by the inner wall that forming blocks contradict positioning chamber
Position, so that the better tightness on the type chamber periphery of forming blocks splicing, so that the production of mold is more stable.
Further, the end face of the remote release chamber of each forming blocks further includes having wearing plate, and the wearing plate protrudes from
Forming blocks setting, and the end face of the end face release chamber remote with corresponding forming blocks of the remote release chamber of the wearing plate is arranged in parallel, it is described
Forming blocks are contradicted by wearing plate and positioning cavity wall sliding.
Through the above technical solutions, being provided with wearing plate, the material of wearing plate is usually Cr12, hardness HRC50-52
Degree is rubbed by wearing plate and positioning cavity wall, reduces the abrasion of forming blocks, and in addition wearing plate is usually solid by bolt
Due in forming blocks, also facilitate and thickness adjustment is carried out to wearing plate, it is ensured that the leakproofness of type chamber splicing.
Further, the end face of each forming blocks towards the type chamber of the first molding group offers through-hole, described logical
It is provided with separation assembly in hole, the separation assembly includes sliding pushing block in through-hole, being connected to the remote release chamber one end of pushing block simultaneously
Sliding with through-hole in connecting rod, be set to make in through-hole pushing block have remote release chamber trend reset spring；The through-hole
It is inside additionally provided with limiting section, the side that the limiting section is located at the remote release chamber of pushing block is used to limit the position of pushing block, when pushing block supports
When touching is with limiting section, the one end of the pushing block far from limiting section and molding be raised, and end face is concordant is arranged；The connecting rod is separate to be pushed away
One end of block protrudes from forming blocks setting, is correspondingly arranged on the dynamic model for touching the connecting rod adjusting mobile towards type chamber
Block.
Through the above technical solutions, setting separation assembly, after mold divides mould to be greater than 3 millimeters, dynamic model continuation is separate, dynamic
When mould and cover half divide mould distance between 5-10 millimeters, adjusting block and connecting rod form primary conflict far from one end of pushing block, make
The end face that connecting rod drives pushing block ejection molding protrusion is obtained, is then resetted under the action of reset spring.It ejects and resets in pushing block
During, pushing block can push product with molding protrusion further separated, thus reduce forming blocks move when by
Chimeric in molding protrusion causes product to be formed protrusion drive movement, so that product, which attaches to, influences demoulding in forming blocks
The case where, so that whole use is more stable.
Further, the spherical setting in the one end of the connecting rod far from pushing block, the section of the adjusting block are triangular in shape
Setting, and the bottom edge in adjusting block section fits in the inner sidewall setting of positioning chamber.
Through the above technical solutions, the setting of the triangle of the spherical surface and adjusting block of connecting rod is for conveniently to connection
The adjusting of bar, adjusting block can also be the structure of the low intermediate projections in other both ends.
Further, each forming blocks include sliding block close to one end of cover half, and the sliding block includes limit plate, institute
The sliding slot being correspondingly arranged on cover half for sliding block sliding is stated, limit plate and the sliding slot cooperation of the sliding block are for limiting molding
For block towards the movement in dynamic model direction, the cover half is additionally provided with several limited blocks close to the end face of dynamic model, and the limited block corresponds to position
It is used to limit the maximum sliding distance of forming blocks in the side of the remote release chamber of forming blocks.
Through the above technical solutions, limited block can by the cooperation of sliding block sliding slot so that the sliding of forming blocks is more stable
To be limited to forming blocks sliding, so that forming blocks are not easy to be detached from from cover half, so that whole is more convenient to use.
Further, the forming blocks of the first molding group offer spring groove, the spring groove far from the direction by plesiotype chamber
It is inside provided with abutting spring, the both ends for pushing against spring contact on the slot bottom and cover half of spring groove for forming first
The forming blocks of group contact on limited block.
Through the above technical solutions, two forming blocks of the first molding group are usually in distribution up and down when mold use, pass through
It pushes against spring to push against, so that pushing against spring can make forming blocks blocky in limit is contradicted when mold is in die opening state
State, at this point, the first inclined guide pillar on dynamic model can be directed at the insertion of the first positioning hole in forming blocks when mold clamping, thus
So that mold clamping is more stable.
Further, the dynamic model offers corresponding for first inclined guide pillar or the second inclined guide pillar close to one end of cover half
The lateral wall of the mounting groove of insertion, first inclined guide pillar and the second inclined guide pillar also offers limiting slot, and the dynamic model is close
One end of cover half is additionally provided with locating slot, and the locating slot is connected to setting with mounting groove, has been bolted in the locating slot
Locating piece, the locating piece are embedded in limiting slot and push against in the side wall far from cover half for limiting.
Through the above technical solutions, by location hole be embedded in limiting slot push against inclined guide pillar in mounting groove to inclined guide pillar carry out
It is fixed, when wearing or being bent occur in inclined guide pillar, bolt can be unscrewed and split out locating piece, then by corresponding inclined guide pillar from
It extracts and is replaced in mounting groove, do not needed to mold into integral demounting, so that whole is more convenient to use.
Further, hot runner system is additionally provided in the cover half, the hot runner system includes and the injection hole
Two injection flow passages of connection are set to heating device for heating in cover half, and the injection flow passage is connected to type chamber, and institute
It states injection flow passage and is arranged by one end of plesiotype chamber in necking.
Through the above technical solutions, being heated by the way that hot runner system is arranged, so that glue will not be flowed in obstruction when injection molding
Solidify in road, so that injection molding is more stable, the setting of in addition necking is so that the Jiao Kou of product is smaller, so that product and cover half are detached from
When can use lesser pulling force so that demoulding it is more convenient.
Further, the spherical setting of first inclined guide pillar and the one end of the second inclined guide pillar far from dynamic model, described first
Pilot hole and the second pilot hole are provided with guide surface close to one end of dynamic model.
Through the above technical solutions, the setting of spherical surface and guide surface is so that the plug cooperation of inclined guide pillar and pilot hole is more square
Just, so that whole use is more stable.
Compared with prior art, the beneficial effects of the present invention are:
(1) design sliding by forming blocks, allows mold to meet the injection molding of more contour structures, so that mould structure
Better adaptability, and avoid and ejected subsequently through thimble and product is caused the case where top trace occur, so that product
Quality is more preferable；
(2) by setting separation assembly and adjusting block, since the chimeric of molding protrusion leads to product when reducing forming blocks movement
It is formed protrusion and drives movement, so that product attaches in forming blocks the case where influencing demoulding, so that whole makes
With more stable；
(3) it by setting limiting slot and locating piece, does not need that inclined guide pillar can be replaced into integral demounting on mold, so that
Whole is more convenient to use.
Detailed description of the invention
Fig. 1 is the overall schematic of embodiment；
Fig. 2 is the structural schematic diagram of embodiment cover half；
Fig. 3 is confined explosion's schematic diagram of embodiment cover half, for showing the forming blocks of forming blocks separation and the first molding group
Structure；
Fig. 4 is confined explosion's schematic diagram of embodiment dynamic model, for showing the mounting structure of inclined guide pillar；
Fig. 5 is the partial schematic sectional view of embodiment, for showing the structure of separation assembly in the first forming blocks；
Fig. 6 is the hot runner system structure schematic diagram of embodiment.
Appended drawing reference: 1, cover half；2, dynamic model；3, type chamber；4, injection hole；5, type core；6, forming blocks；7, the first molding group；
8, the second molding group；9, molding protrusion；10, the first pilot hole；11, the first inclined guide pillar；12, the second pilot hole；13, it second tiltedly leads
Column；14, guide surface；15, mounting groove；16, limiting slot；17, locating slot；18, locating piece；19, sliding block；20, limit plate；21, sliding
Slot；22, limited block；23, spring groove；24, spring is pushed against；25, wearing plate；26, positioning chamber；27, through-hole；28, limiting section；29,
Separation assembly；291, pushing block；292, connecting rod；293, reset spring；30, adjusting block；31, hot runner system；311, injected current
Road；312, heating device.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.
Embodiment:
A kind of injection mold, as shown in Figure 1 and Figure 2, including cover half 1 and dynamic model 2, cover half 1 are provided with type close to the side of dynamic model 2
Chamber 3, cover half 1 are provided with injection hole 4 far from one end of dynamic model 2；Type core 5, usual dynamic model 2 and cover half 1 are correspondingly arranged on dynamic model 2
On be additionally provided with chilled(cooling) water return (CWR).For mold in use, by the way that mold correspondence to be fixed on injection molding machine, mold is in molding shape
State, then the plastics of melting are squeezed into mold by the injection device alignment injection hole 4 of injection molding machine, so that plastics fill up type core 5
The die cavity spliced with type chamber 3, after waiting plastics to solidify in die cavity.
It as shown in Figure 2 and Figure 3, further include four forming blocks 6 along the distribution of 3 surrounding of type chamber on cover half 1, type chamber 3 passes through four
Forming blocks 6 are spliced to form；The forming blocks 6 being oppositely arranged are one group, and four forming blocks 6 can be divided into the first molding group 7 and the second one-tenth
Type group 8.Two opposite end faces of forming blocks 6 of the first molding group 7 include molding protrusion 9, and molding protrusion 9 is for forming refrigerator
The groove and texture of box.
As shown in Figure 1 and Figure 2, the first molding group 7 and the second molding group 8, which slide, is connected on cover half 1.First molding group 7
The end face that is located remotely from each other of two forming blocks 6 on offer the first pilot hole 10, correspondence is fixed with the first inclined guide pillar on dynamic model 2
11, the first inclined guide pillar 11 is tilted towards the direction close to cover half 1 towards the direction far from type core 5,11 He of the first inclined guide pillar in embodiment
There are two first pilot hole 10 is respectively provided with, two the first inclined guide pillars 11 are in be located remotely from each other setting towards the direction close to positioning.First
Two forming blocks 6 of the inclined guide pillar 11 with the cooperation of the first pilot hole 10 for controlling the first molding group 7 are close to each other or separate.
The second pilot hole 12 is offered on the end face that two forming blocks 6 of the second molding group 8 are located remotely from each other, on dynamic model 2
Corresponding to be fixed with the second inclined guide pillar 13, the second inclined guide pillar 13 is tilted towards the direction close to cover half 1 towards the direction far from type core 5.It is real
It applies in example, there are four the second inclined guide pillar 13 and the second pilot hole 12 are respectively provided with, wherein being arranged in pairs, two groups of inclined guide pillars settings
It is arranged in 5 two sides of type core of dynamic model 2, two group of second inclined guide pillar 13 is also gradually distance from setting towards the direction close to cover half 1.Second tiltedly
Two forming blocks 6 of the guide post 13 with the cooperation of the second pilot hole 12 for controlling the second molding group 8 are close to each other or separate.First tiltedly
The spherical setting in one end of guide post 11 and the second inclined guide pillar 13 far from dynamic model 2, the first pilot hole 10 and the second pilot hole 12 are close
One end of dynamic model 2 is provided with guide surface 14.
When being in molding state, the first inclined guide pillar 11 is passed through in the first pilot hole 10, and the second inclined guide pillar 13 passes through
In in the second pilot hole 12.And first remote with the first pilot hole 10 release chamber 3 of inclined guide pillar 11 side and the second inclined guide pillar 13
There are mobile spaces for the side of release chamber 3 remote with the second pilot hole 12.
As Figure 1 and Figure 4, dynamic model 2 is offered close to one end of cover half 1 for the first inclined guide pillar 11 or the second inclined guide pillar 13
The lateral wall of the mounting groove 15 of corresponding insertion, the first inclined guide pillar 11 and the second inclined guide pillar 13 also offers limiting slot 16, dynamic model 2
It is additionally provided with locating slot 17 close to one end of cover half 1, locating slot 17 is connected to setting with mounting groove 15, consolidates in locating slot 17 by bolt
Surely there is locating piece 18, locating piece 18 is embedded in limiting slot 16 and pushes against in the side wall far from cover half 1 for limiting.
As shown in Fig. 2, each forming blocks 6 include sliding block 19 close to one end of cover half 1, the first pilot hole 10, second are led
To corresponding 19 part of sliding block for being opened in forming blocks 6 in hole 12.Sliding block 19 further includes limit plate 20, is correspondingly arranged on confession on cover half 1
The sliding slot 21 that sliding block 19 slides, the limit plate 20 and sliding slot 21 of sliding block 19 cooperate for limiting the shifting of forming blocks 6 towards 2 direction of dynamic model
Dynamic, cover half 1 is additionally provided with several limited blocks 22 close to the end face of dynamic model 2, and limited block 22 is usually fixed by bolts in cover half 1
On, the corresponding side for being located at the remote release chamber 3 of forming blocks 6 of limited block 22 is used to limit the maximum sliding distance of forming blocks 6.This implementation
In example, one end of the remote release chamber 3 of forming blocks 6 of the first molding group 7 offers recessing groove, and recessing groove is located remotely from the one of dynamic model 2
Side, forming blocks 6 provide slipping space by recessing groove, and contradict limited block 22 by the slot bottom of recessing groove and form limit effect.
As shown in Figure 2 and Figure 3, the forming blocks 6 of the first molding group 7 offer spring groove 23 far from the direction by plesiotype chamber 3,
It is provided in spring groove 23 and pushes against spring 24, the both ends for pushing against spring 24 contact on the slot bottom and cover half 1 of spring groove 23, support
The elastic force of tight spring 24 is used to the forming blocks 6 of the first molding group 7 contacting at limited block 22.Mold is in use, usually by
The state in a vertical shape of two forming blocks 6 of one molding group 7 is arranged.When mold die sinking, the first inclined guide pillar 11, the second inclined guide pillar 13 can
To cooperate with corresponding first pilot hole 10, the second pilot hole 12, so that each forming blocks 6 slide outward.When cover half 1 and dynamic model 2
When completely disengaging, the first inclined guide pillar 11, the second inclined guide pillar 13 are corresponding to be deviate from from the first pilot hole 10, the second pilot hole 12, molding
Block 6 just contacts on limited block 22, at this time push against spring 24 can the forming blocks 6 to vertical direction push against so that position
Forming blocks 6 in top are not easy corresponding first inclined guide pillar 11 and the first pilot hole 10 when the molding of sagging influence under the effect of gravity
Alignment.
When injection molding, molding protrusion 9 is correspondingly embedded in the lateral surface setting of product.During mold die sinking, when dividing 0-3 millimeters of mould
When, mobile space can provide the first inclined guide pillar 11 mobile space.Forming blocks 6 will not be by inclined guide pillar band movable property during this
Raw sliding, product is fixed by the molding protrusion 9 of two sides at this time, and the movement of dynamic model 2 can make product and type core 5 complete separation,
So that product stays in type chamber 3.Then dynamic model 2 continue to move to the first inclined guide pillar 11 and the first pilot hole 10 at this time cooperation so that
The forming blocks 6 of first molding group 7 are located remotely from each other, while the cooperation of the second inclined guide pillar 13 and the second pilot hole 12 is so that the second molding
The forming blocks 6 of group 8 are located remotely from each other.Product is fixedly connected on cover half 1 by the rubber head that injecting glue is formed at this time, then passes through operation
Sucker on personnel or manipulator can separate product from cover half 1, realize demoulding.
As shown in Figure 2, Figure 4 shows, the inclined face setting in the end face of four remote release chambers 3 of forming blocks 6, and the inclination of forming blocks 6
The axis of face and corresponding inclined guide pillar is arranged in parallel.The end face of the remote release chamber 3 of each forming blocks 6 further includes having wearing plate 25, at
Notch is offered on type block 6, wearing plate 25 is installed in corresponding notch and is fixed by bolt.Wearing plate 25 protrudes from
Forming blocks 6 are arranged, and the end face of the remote release chamber 3 of wearing plate 25 is arranged in parallel with the end face of the remote release chamber 3 of corresponding forming blocks 6.It is dynamic
Mould 2 is correspondingly arranged on positioning chamber 26 on the end face of cover half 1, and the inner sidewall of positioning chamber 26 is used for release chamber 3 remote with forming blocks 6
End face cooperation be oriented to, and forming blocks 6 by wearing plate 25 realize with positioning chamber 26 in wall slip contradict.Wearing plate 25
Material is usually Cr12, and hardness is HRC50-52 degree, is rubbed by wearing plate 25 and 26 inner wall of positioning chamber, reduces molding
The abrasion of block 6.
As shown in figs. 3 and 5, each forming blocks 6 of the first molding group 7 towards type chamber 3(referring to fig. 2) end face open up
There is through-hole 27, limiting section 28 is additionally provided in through-hole 27.Separation assembly 29 is provided in through-hole 27, separation assembly 29 includes sliding
Pushing block 291 in through-hole 27 is connected to remote 3 one end of release chamber of pushing block 291 and slides and the connecting rod 292 in through-hole 27, setting
In the reset spring 293 for making pushing block 291 that there is remote 3 trend of release chamber in through-hole 27.Limiting section 28 is located at pushing block 291 far from type
The side of chamber 3 is used to limit the position of pushing block 291, and when pushing block 291 is contradicted with limiting section 28, pushing block 291 is far from limiting section 28
9 end faces are concordant is arranged with molding protrusion for one end.Connecting rod 292 protrudes from forming blocks 6 far from one end of pushing block 291 and is arranged, and
The spherical setting in the one end of connecting rod 292 far from pushing block 291.
Adjusting block 30, the setting triangular in shape of the section of adjusting block 30, and 30 section of adjusting block are correspondingly arranged on dynamic model 2
Bottom edge fits in the inner sidewall setting of positioning chamber 26.It is usually provided with one end of the remote release chamber 3 of forming blocks 6 of separation assembly 29 also
The strip grooves for the insertion sliding of adjusting block 30 can be offered, by the setting of strip grooves, when so that mold dividing mould, forming blocks 6 were both
The inner sidewall of positioning chamber 26 can be contradicted, while adjusting block 30 can play the touch effect to connecting rod 292 again, so that pushing block
291 push away product.
When mold clamping, adjusting block 30 is located at connecting rod 292 close to the side of quiet mould.When mold is opened at 0-3 millimeters
When, the first inclined guide pillar 11 is mobile in the mobile space of the first pilot hole 10, and dynamic model 2, which divides mould not, at this time will drive the first molding group 7
Forming blocks 6 it is mobile towards remote release chamber 3.At this point, since adjusting block 30 is close to the inclined surface of 2 side of dynamic model and the movement of dynamic model 2
Direction is arranged in parallel, so that adjusting block 30 will not contradict connecting rod 292.When mold is opened between 5-10 millimeters, move at this time
It is mobile towards the direction of remote release chamber 3 by forming blocks 6 under the cooperation of the first inclined guide pillar 11 and the first pilot hole 10 when mould 2 is mobile,
It just will drive 6 inside connecting rod 292 of forming blocks to move outwardly, at this time one end energy and adjusting block of the connecting rod 292 far from pushing block 291
30 form conflict, and adjusting block 30 is mobile towards type chamber 3 for touching connecting rod 292 at this time, so that the ejection molding of pushing block 291
The end face of protrusion 9 pushes product, and then pushing block 291 resets under the action of reset spring 293.It is resetted in the ejection of pushing block 291
In the process, pushing block 291 can push product further to be separated with molding protrusion 9, thus when reducing the movement of forming blocks 6
Chimeric due to molding protrusion 9 causes product to be formed 9 drive movement of protrusion, so that product attaches to shadow in forming blocks 6
The case where ringing demoulding.Certainly, adjusting block 30 can also be the structure of the low intermediate projections in other both ends, such as spherical or arch, it is ensured that
Realize that contradicting product realizes that product is separated with forming blocks 6 between 5-10 millimeters of demoulding.
As shown in fig. 6, being additionally provided with hot runner system 31 in cover half 1, hot runner system 31 includes being connected to injection hole 4
Two injection flow passages 311 are set to 1 inner heating device 312 of cover half.Injection flow passage 311 is connected to type chamber 3, and injection flow passage 311
It is arranged by one end of plesiotype chamber 3 in necking.Heating device 312 is usually hot runner manifold, and the main task of hot runner manifold is constant temperature
Melt is sent into each individual injection flow passage 311 from sprue by ground.Heating device 312 is by being electrically connected to power supply for heating
So that the plastics in injection flow passage 311 are not easy to solidify.Heating device 312 usually carries out temperature control by temperature controller, should
Hot runner system 31 and the control of its temperature are the prior art, and this will not be repeated here.
The working principle of the present embodiment is:
It when being molded using above-mentioned mold, first installs a mold on injection molding machine, mold is in molding state, when injection molding finishes
Afterwards, element drives dynamic model 2 mobile so that mold carries out a point mould on injection molding machine.When dividing 0-3 millimeters of mould, mobile space can be with
There is provided the first inclined guide pillar 11 mobile space.Forming blocks 6 will not be driven by inclined guide pillar and generate sliding during this, and product is by two at this time
The molding protrusion 9 of side is fixed, and the movement of dynamic model 2 can make product and type core 5 complete separation, so that product stays in type chamber 3.
Dynamic model 2 continue to move to the cooperation of the first inclined guide pillar 11 at this time and the first pilot hole 10 so that the first molding group 7 at
Type block 6 is located remotely from each other, at the same the second inclined guide pillar 13 and the second pilot hole 12 cooperation so that the second molding group 86 phase of forming blocks
It is mutually separate.When mold is opened between 5-10 millimeters, at this time adjusting block 30 can touch separator make pushing block 291 complete
Primary ejection and reset, during pushing block 291 is ejected and is resetted, pushing block 291 can push product and molding protrusion 9 carry out into
The separation of one step, thus since the chimeric of molding protrusion 9 causes product to be formed 9 drive of protrusion when reducing the movement of forming blocks 6
It is mobile.Then mold continues point mould until the distance between dynamic model 2 and cover half 1 are greater than the thickness of product, at this point, passing through operator
Member or manipulator on sucker product can be separated from cover half 1, realize demoulding.
When the die is closed, injection molding machine element drives dynamic model 2 mobile towards cover half 1, the first inclined guide pillar 11 and second on dynamic model 2
Inclined guide pillar 13 can be inserted into alignment the first pilot hole 10 and the second pilot hole 12, be made by the cooperation of inclined guide pillar and pilot hole
Four forming blocks 6 it is close to each other until contradict, the cooperation of 6 inclined surface of positioning chamber 26 and forming blocks at this time can with further such that
The type chamber 3 that four forming blocks 6 are spliced is even closer.It at this time can the injection progress injection molding into mold again.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of injection mold, including cover half (1) and dynamic model (2), the cover half (1) is provided with type close to the side of dynamic model (2)
Chamber (3), the cover half (1) are provided with injection hole (4) far from the one end of dynamic model (2)；Type core is correspondingly arranged on the dynamic model (2)
(5), it is characterised in that: further include four forming blocks (6) along the distribution of type chamber (3) surrounding, the type chamber on the cover half (1)
(3) it is spliced to form by four forming blocks (6)；The forming blocks (6) being oppositely arranged are one group, and four forming blocks (6) can be divided into the
One molding group (7) and the second molding group (8)；Two forming blocks (6) of the first molding group (7) relative to end face include into
Type protrusion (9)；
First molding group (7) sliding is connected on cover half (1), and two forming blocks (6) of the first molding group (7) are mutual
It is offered on separate end face the first pilot hole (10), correspondence is fixed with and first pilot hole on the dynamic model (2)
(10) two forming blocks (6) of the cooperation for controlling the first molding group (7) the first inclined guide pillar (11) close to each other or separate, the
One inclined guide pillar (11) is tilted towards the direction close to cover half (1) towards the direction far from type core (5)；
Second molding group (8) sliding is connected on cover half (1), and two forming blocks (6) of the second molding group (8) are mutual
It is offered on separate end face the second pilot hole (12), correspondence is fixed with and second pilot hole on the dynamic model (2)
(12) two forming blocks (6) of the cooperation for controlling the second molding group (8) the second inclined guide pillar (13) close to each other or separate, the
Two inclined guide pillars (13) are tilted towards the direction close to cover half (1) towards the direction far from type core (5)；
When being in molding state, first inclined guide pillar (11) is passed through in the first pilot hole (10), and the first inclined guide pillar
(11) there are mobile spaces with the side of the first pilot hole (10) far release chamber (3).
2. a kind of injection mold according to claim 1, it is characterised in that: the remote release chamber (3) of four forming blocks (6)
The setting of the inclined face in end face, and the inclined surface of the forming blocks (6) and the axis of corresponding inclined guide pillar are arranged in parallel, described dynamic
It is correspondingly arranged on mould (2) positioning chamber (26), the inner sidewall of the positioning chamber (26) is used for the remote release chamber (3) with forming blocks (6)
End face cooperation be oriented to.
3. a kind of injection mold according to claim 2, it is characterised in that: the remote release chamber (3) of each forming blocks (6)
End face further include having wearing plate (25), the wearing plate (25) protrudes from forming blocks (6) setting, and the wearing plate (25) is remote
The end face of the end face of release chamber (3) release chamber (3) remote with corresponding forming blocks (6) is arranged in parallel, and the forming blocks (6) pass through wear-resisting
Plate (25) and positioning chamber (26) interior wall slip contradict.
4. a kind of injection mold according to claim 2, it is characterised in that: each molding of the first molding group (7)
The end face of block (6) towards type chamber (3) offers through-hole (27), is provided with separation assembly (29) in the through-hole (27), described
Separation assembly (29) is including sliding the pushing block (291) in through-hole (27), being connected to remote release chamber (3) one end of pushing block (291) and cunning
Move in through-hole (27) connecting rod (292), be set in through-hole (27) and make pushing block (291) that there is remote release chamber (3) trend
Reset spring (293)；It is additionally provided with limiting section (28) in the through-hole (27), the limiting section (28) is located at pushing block (291)
The side of remote release chamber (3) is used to limit the position of pushing block (291), described to push away when pushing block (291) are contradicted with limiting section (28)
The one end of block (291) far from limiting section (28) and molding be raised, and (9) end face is concordant is arranged；The connecting rod (292) is far from pushing block
(291) one end protrudes from forming blocks (6) setting, is correspondingly arranged on the dynamic model (2) for touching connecting rod (292) direction
The mobile adjusting block (30) of type chamber (3).
5. a kind of injection mold according to claim 4, it is characterised in that: the connecting rod (292) is far from pushing block (291)
The spherical setting in one end, the section setting triangular in shape of the adjusting block (30), and adjusting block (30) section bottom edge fitting
It is arranged in the inner sidewall of positioning chamber (26).
6. a kind of injection mold according to claim 1, it is characterised in that: each forming blocks (6) are close to cover half (1)
One end include sliding block (19), the sliding block (19) includes limit plate (20), is correspondingly arranged on described in confession on the cover half (1)
The sliding slot (21) of sliding block (19) sliding, the limit plate (20) of the sliding block (19) and sliding slot (21) cooperate for limiting forming blocks
(6) towards the movement in dynamic model (2) direction, the cover half (1) is additionally provided with several limited blocks (22), institute close to the end face of dynamic model (2)
State limited block (22) corresponding side for being located at forming blocks (6) remote release chamber (3) be used to limit the maximum slidings of forming blocks (6) away from
From.
7. a kind of injection mold according to claim 6, it is characterised in that: the forming blocks (6) of the first molding group (7) are separate
It is offered spring groove (23) by the direction of plesiotype chamber (3), is provided in the spring groove (23) and pushes against spring (24), the abutting
The both ends of spring (24) contact on the slot bottom and cover half (1) of spring groove (23) for by the forming blocks of the first molding group (7)
(6) it contacts on limited block (22).
8. a kind of injection mold according to claim 1, it is characterised in that: the one end of the dynamic model (2) close to cover half (1)
Offer the mounting groove (15) for first inclined guide pillar (11) or the corresponding insertion of the second inclined guide pillar (13), first inclined guide pillar
(11) it is also offered limiting slot (16) with the lateral wall of the second inclined guide pillar (13), the one end of the dynamic model (2) close to cover half (1)
It is additionally provided with locating slot (17), the locating slot (17) is connected to setting with mounting groove (15), passes through bolt in the locating slot (17)
It is fixed with locating piece (18), the locating piece (18) is embedded in limiting slot (16) and pushes against in the side wall far from cover half (1) for limiting
Position.
9. a kind of injection mold according to claim 1, it is characterised in that: be additionally provided with hot flow path in the cover half (1)
System (31), the hot runner system (31) include two injection flow passages (311) being connected to the injection hole (4), are set to
Heating device (312) for heating in cover half (1), the injection flow passage (311) is connected to type chamber (3), and the injected current
Road (311) is arranged by the one end of plesiotype chamber (3) in necking.
10. a kind of injection mold according to claim 1, it is characterised in that: first inclined guide pillar (11) and second is tiltedly
One end spherical setting of the guide post (13) far from dynamic model (2), first pilot hole (10) and the second pilot hole (12) are close to dynamic
One end of mould (2) is provided with guide surface (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910794025.6A CN110450360B (en) | 2019-08-27 | 2019-08-27 | Injection mold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910794025.6A CN110450360B (en) | 2019-08-27 | 2019-08-27 | Injection mold |
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| CN110450360A true CN110450360A (en) | 2019-11-15 |
| CN110450360B CN110450360B (en) | 2021-07-09 |
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| CN201910794025.6A Active CN110450360B (en) | 2019-08-27 | 2019-08-27 | Injection mold |
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Cited By (3)
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| CN110696296A (en) * | 2019-11-19 | 2020-01-17 | 镇江联创机械配件有限公司 | Mould is used in sealing member processing production |
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| CN116423773A (en) * | 2023-04-10 | 2023-07-14 | 宁波环亚机械制造有限公司 | Steering tube forming die |
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