CN103481456A - Injection mold easy to release - Google Patents
Injection mold easy to release Download PDFInfo
- Publication number
- CN103481456A CN103481456A CN201310422282.XA CN201310422282A CN103481456A CN 103481456 A CN103481456 A CN 103481456A CN 201310422282 A CN201310422282 A CN 201310422282A CN 103481456 A CN103481456 A CN 103481456A
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- CN
- China
- Prior art keywords
- mold
- injection
- bed die
- backform
- mould
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
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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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an injection mold easy to release. The injection mold comprises a bottom mold holder and a top mold holder. A plurality of bottom mold cores and injection sliding blocks with auxiliary mold cores are arranged on the bottom mold holder, top mold cores are arranged on the top mold holder, and a workpiece mold cavity is formed by the bottom mold cores, the top mold cores and the auxiliary mold cores in a spliced mode. Particularly, a guiding groove is formed in each injection sliding block, mold releasing supporting blocks are arranged on the top mold holder, the mold releasing supporting blocks are connected to the interior of the guiding grooves in a penetrating mode, in the mold opening and closing switching process, the injection sliding blocks are driven to slide outwards in an extending mode or slide inwards in a gathering mode with the bottom mold cores as centers, mold releasing centres are arranged on the top mold holder, and the mold releasing centres are driven to be stretched inside the mold cavity. By means of the injection mold, the design of combining the injection sliding blocks with the mold releasing centres is adopted, when the mold is released, the injection sliding blocks perform extending sliding to enable the auxiliary mold cores of the injection sliding blocks to be separated from an injection workpiece, primary mold releasing of the workpiece is conveniently carried out, then the workpiece is pushed out through the mold releasing centres, and mold releasing is completed. The injection production rate and the product pass percent are greatly improved, and meanwhile production cost is reduced.
Description
Technical field
The present invention relates to a kind of injection mold, relate in particular to that a kind of workpiece is efficient, the injection mold of automatic demolding.
Background technology
Injection mold is a kind of instrument of producing plasthetics; It is also the instrument of giving plasthetics complete structure and accurate dimension.A kind of processing method of using when injection mo(u)lding is some complex-shaped parts of batch production.Specifically the finger material melted that will be heated is injected die cavity by high pressure, obtains formed products after cooling curing.Injection mold is comprised of dynamic model and cover half two parts, and dynamic model is arranged on the moving die plate of injection (mo(u)lding) machine, and cover half is arranged on the fixed form of injection (mo(u)lding) machine.Dynamic model and cover half closed formation running gate system and die cavity when injection moulding, during die sinking, dynamic model separates in order to take out plastic products with cover half.Mould mainly is comprised of running gate system, thermoregulating system, forming part and constitutional detail.Wherein running gate system and forming part are and the direct contact portion of plastics, and change with plastics and goods, are the most complicated in mold, change maximum, require processing fineness and the highest part of precision.
Relate to a kind of workpiece in prior art, as shown in Figure 5 and Figure 6, this workpiece 5 has integrated basal disc 51 and basal disc one side is extended evagination adjutage 521 and convex adjutage 522 set and alternately dislocation, after injection moulding completes, the normal snap gauge phenomenon that easily occurs of workpiece, the part of evagination adjutage 51 evaginations of workpiece fastens mutually with core rod, cause workpiece can't move back smoothly mould, need to manually move back mould, easily occur because the evagination adjutage is crossed the thin phenomenon that fractures and make workpiece scrap, thereby caused the injection moulding operating efficiency low.
Summary of the invention
Defect in view of above-mentioned prior art exists, the objective of the invention is to propose a kind of injection mold that is easy to move back mould, solves the problem that shaped article moves back mould and High-efficient Production.
Purpose of the present invention will be achieved by the following technical programs: a kind of injection mold that is easy to move back mould, comprise bed die seat and backform seat, wherein the bed die seat is provided with some bed die cores, each bed die core periphery is provided with a plurality of injection moulding slide blocks, described injection moulding slide block is provided with secondary core rod, the backform seat is provided with the some backform cores that are complementary with the bed die core, described bed die core under the mold closing state, backform core and secondary core rod are spliced into the die cavity of workpiece, especially, described injection moulding slide block is provided with guide groove, described backform seat is provided with that backform core dorsad tilts to extend moves back the mould bracer, and moving back the mould bracer is connected in guide groove, in the die opening and closing handoff procedure, the injection moulding slide block is driven to be centered by the bed die core to external expansion and slides or inwardly gather slip, the corresponding backform core position of described backform seat and quantity are provided with moves back the mould thimble, and moving back the mould thimble is driven in die cavity flexible.
Further, described bed die seat and backform seat are provided with and are complementary and run through all die cavity Jiao roads and interference channel.
Further, described workpiece has integrated basal disc, evagination adjutage and convex adjutage, combination and basal disc and the convex adjutage form fit of described backform core and bed die core, and combination and the evagination adjutage form fit of described secondary core rod and bed die core.
Further, be provided with between described injection moulding slide block and bed die seat and hold the spring that the injection moulding slide block is opened outward.
Apply injection mold of the present invention, its significant technique effect is: adopt injection moulding slide block and the design of moving back the mould thimble and combining, while moving back mould, the injection moulding slide block is done the expansion slip, make the secondary core rod of injection moulding slide block separate with the injection moulding workpiece, facilitate workpiece just to move back mould, workpiece is ejected to complete move back mould and retreat the mould thimble, greatly improved injection moulding throughput rate and product percent of pass, reduced production cost simultaneously.
Following constipation closes the embodiment accompanying drawing, the specific embodiment of the present invention is described in further detail, so that technical solution of the present invention is easier to understand, grasp.
The accompanying drawing explanation
Fig. 1 is the structural representation of bed die seat in a kind of injection mold that is easy to move back mould of the present invention.
Fig. 2 is the structural representation of backform seat in a kind of injection mold that is easy to move back mould of the present invention.
Fig. 3 is a kind of overall structure schematic diagram that is easy to move back the injection mold of mould of the present invention.
Fig. 4 is the structure for amplifying schematic diagram of A unit in Fig. 1.
Fig. 5 is the pedestal schematic diagram of workpiece in the present invention.
Fig. 6 is the evagination adjutage of workpiece in the present invention and the schematic diagram of convex adjutage.
The specific embodiment
The present invention improves on existing injection mold, createed a kind of injection mold that is easy to move back mould of establishing for special workpiece, adopt injection moulding slide block and the design of moving back the mould thimble and combining, make the injection moulding workpiece conveniently move back mould, for special workpiece moves back mould, provide practicable technical scheme.
As shown in Figures 1 to 6, a kind of injection mold that is easy to move back mould, comprise bed die seat 1 and backform seat 2, wherein the bed die seat is provided with some bed die cores 12, each bed die core 12 periphery is provided with a plurality of injection moulding slide blocks 13, injection moulding slide block 13 is provided with secondary core rod 132, backform seat 2 is provided with the some backform cores 23 that are complementary with bed die core 12, the mold closing state core rod 12 of going to the bottom, backform core 23 and secondary core rod 132 are spliced into the die cavity of corresponding workpiece 5, especially, injection moulding slide block 13 is provided with guide groove 131, backform seat 2 is provided with that backform core dorsad 23 tilts to extend moves back mould bracer 24, and moving back mould bracer 24 is connected in guide groove 131, in the die opening and closing handoff procedure, injection moulding slide block 13 is driven to be centered by bed die core 12 to external expansion and slides or inwardly gather slip, backform seat 2 corresponding backform core 23 positions and quantity are provided with moves back mould thimble 25, and moving back mould thimble 25 is driven in die cavity flexible.For the embodiment workpiece, be that three evagination adjutages and three convex adjutages are crisscross arranged, therefore in illustrated embodiment, this bed die core 12 circumferentially is laid with three injection moulding slide blocks, like this backform core 23 and bed die core 12 in conjunction with basal disc 51 and convex adjutage 522 form fit with workpiece, and secondary core rod 132 and bed die core 12 in conjunction with and evagination adjutage 522 form fit.
In addition, for improving the production efficiency of injection mold, make it the more finished product of mold closing energy moulding, the present embodiment has been established 8 bed die cores 12 at the bed die seat, make it by digital figure of eight layout arrangement, then it is connected by Jiao Dao with gum-injecting port 22, as depicted in figs. 1 and 2, be provided with primer road 11 at bed die seat 1, form airtight Jiao road when backform seat 2 is provided with Ding Jiao road 21, two moulds closure.Because the die cavity of gum-injecting port 2 relative workpiece is far away, avoid the local starved of product fully for guaranteeing injecting glue, in the present embodiment, the Ge Jiao road crosses, turning point is equipped with interference channel 111,112,211,212.Thus, but injecting glue is abundant, and the product yields is ensured.
In actual applications, for ease of die sinking to the guide groove 131 of injection moulding slide block 13 in the handoff procedure of mold closing with move back the 24 contraposition cross-under of mould bracer, be provided with between injection moulding slide block 13 and bed die seat 1 and hold the spring 14 that the injection moulding slide block is opened outward, this spring 14 is for when the matched moulds, to move back mould bracer 24 and tightly offset with guide groove 131, and prevent from producing and rocking in injection moulding process.
The present invention is a kind of is easy to move back the specific works process of the injection mold of mould: the bed die seat of injection mold adopts eight groups of bed die cores, same backform seat is provided with eight groups of backform cores of coupling, for convenience of understanding, eight groups of bed die cores of bed die seat and the A unit shown in injection moulding slide block composition diagram 1, eight groups of backform cores of backform seat with move back the B unit shown in mould bracer composition diagram 2, the bed die seat splices mutually with the backform seat, the injection moulding slide block is moved back the driving of mould bracer and is and inwardly gathers slip centered by the bed die core, now injection mold is in the mold closing state, the bed die core, backform core and secondary core rod are spliced into the die cavity of workpiece, to injecting glue in die cavity, make the injection moulding workpiece, treat the injection moulding work-piece cools, bed die seat and backform seat are separated, the injection moulding slide block is moved back the driving of mould bracer and is to external expansion and slides centered by the bed die core, now, the evagination adjutage of injection moulding workpiece is separated in secondary core rod, so the protuberance of evagination adjutage will not be subject to stopper, be convenient to exit the bed die seat, driven in die cavity, the injection moulding workpiece to be ejected and moved back mould and retreat the mould thimble, injection moulding completes.
By the visible application of above description injection mold of the present invention, compare to the traditional injection moulding mould and there is significant technical advantage: adopt injection moulding slide block and the design of moving back the mould thimble and combining, while moving back mould, the injection moulding slide block is done the expansion slip, make the secondary core rod of injection moulding slide block separate with the injection moulding workpiece, facilitate workpiece just to move back mould, workpiece is ejected to complete move back mould and retreat the mould thimble, greatly improved injection moulding throughput rate and product percent of pass, reduced production cost simultaneously.
The present invention still has numerous embodiments, and all employing equivalents or equivalent transformation and all technical schemes of forming, within all dropping on protection scope of the present invention.
Claims (4)
1. an injection mold that is easy to move back mould, comprise bed die seat and backform seat, wherein the bed die seat is provided with some bed die cores, each bed die core periphery is provided with a plurality of injection moulding slide blocks, described injection moulding slide block is provided with secondary core rod, the backform seat is provided with the some backform cores that are complementary with the bed die core, described bed die core under the mold closing state, backform core and secondary core rod are spliced into the die cavity of workpiece, it is characterized in that: described injection moulding slide block is provided with guide groove, described backform seat is provided with that backform core dorsad tilts to extend moves back the mould bracer, and moving back the mould bracer is connected in guide groove, in the die opening and closing handoff procedure, the injection moulding slide block is driven to be centered by the bed die core to external expansion and slides or inwardly gather slip, the corresponding backform core position of described backform seat and quantity are provided with moves back the mould thimble, and moving back the mould thimble is driven in die cavity flexible.
2. be easy to according to claim 1 move back the injection mold of mould, it is characterized in that: described bed die seat and backform seat are provided with and are complementary and run through all die cavity Jiao roads and interference channel.
3. be easy to according to claim 1 move back the injection mold of mould, it is characterized in that: described workpiece has integrated basal disc, evagination adjutage and convex adjutage, combination and basal disc and the convex adjutage form fit of described backform core and bed die core, and combination and the evagination adjutage form fit of described secondary core rod and bed die core.
4. be easy to according to claim 1 move back the injection mold of mould, it is characterized in that: be provided with between described injection moulding slide block and bed die seat and hold the spring that the injection moulding slide block is opened outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310422282.XA CN103481456A (en) | 2013-09-17 | 2013-09-17 | Injection mold easy to release |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310422282.XA CN103481456A (en) | 2013-09-17 | 2013-09-17 | Injection mold easy to release |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103481456A true CN103481456A (en) | 2014-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310422282.XA Pending CN103481456A (en) | 2013-09-17 | 2013-09-17 | Injection mold easy to release |
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| CN (1) | CN103481456A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106696191A (en) * | 2016-12-16 | 2017-05-24 | 苏州工业园区协利塑胶有限公司 | Injection product demolding precision improving type mold |
| CN110355946A (en) * | 2019-07-15 | 2019-10-22 | 宁波市南江制盖有限公司 | A kind of assembly type bottle cap injection mold |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200945691Y (en) * | 2006-08-08 | 2007-09-12 | 卫岗 | Mould device for production of energy-saving lamp plastic casing |
| CN101875228A (en) * | 2010-06-30 | 2010-11-03 | 圣美精密工业(昆山)有限公司 | Ejector mechanism and injection mold therewith |
| CN203527781U (en) * | 2013-09-17 | 2014-04-09 | 苏州工业园区协利塑胶有限公司 | Injection mould with easiness for demoulding |
-
2013
- 2013-09-17 CN CN201310422282.XA patent/CN103481456A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200945691Y (en) * | 2006-08-08 | 2007-09-12 | 卫岗 | Mould device for production of energy-saving lamp plastic casing |
| CN101875228A (en) * | 2010-06-30 | 2010-11-03 | 圣美精密工业(昆山)有限公司 | Ejector mechanism and injection mold therewith |
| CN203527781U (en) * | 2013-09-17 | 2014-04-09 | 苏州工业园区协利塑胶有限公司 | Injection mould with easiness for demoulding |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106696191A (en) * | 2016-12-16 | 2017-05-24 | 苏州工业园区协利塑胶有限公司 | Injection product demolding precision improving type mold |
| CN110355946A (en) * | 2019-07-15 | 2019-10-22 | 宁波市南江制盖有限公司 | A kind of assembly type bottle cap injection mold |
| CN110355946B (en) * | 2019-07-15 | 2024-04-05 | 宁波市南江制盖有限公司 | Assembled bottle lid injection mold |
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Application publication date: 20140101 |