CN207224484U - A kind of injection compression moulding mould - Google Patents
A kind of injection compression moulding mould Download PDFInfo
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- CN207224484U CN207224484U CN201721221801.6U CN201721221801U CN207224484U CN 207224484 U CN207224484 U CN 207224484U CN 201721221801 U CN201721221801 U CN 201721221801U CN 207224484 U CN207224484 U CN 207224484U
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- injection molding
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of injection compression moulding mould, including dynamic model and cover half, and some groups of injection molding cavity shaping mechanisms are equipped between the dynamic model and the cover half；Every group of injection molding cavity shaping mechanism includes being arranged in the dynamic model and the mobile abaculus that can slide up and down, and the die face forming blocks being correspondingly arranged up and down in the cover half and with the mobile abaculus；Injection molding cavity is formed between the die face forming blocks and the mobile abaculus, at the same time be correspondingly provided with below each mobile abaculus one can the oblique slip in left and right mobile voussoir, a fixation voussoir is correspondingly provided with below each mobile voussoir, and the outboard end of the mobile voussoir is connected with push-pull mechanism, injection and two kinds of techniques of compression molding can be carried out in same mould, it is effectively increased injection molded layers dimensional accuracy, its optical characteristics also obtains larger raising, molding is directly compressed after the completion of being molded at the same time, the bonding force being effectively increased between adjacent injection molded layers, improve injection molding effect.
Description
Technical field
The utility model belongs to injection molding and compression forming field, more particularly, to a kind of injection compression moulding mould.
Background technology
Due to the limitation of the polymer material properties of plastics, the making of thin-walled parts is always difficult, there is a variety of polymerizations
Thing is developed, and makes it to produce thin-walled parts, but still can not meet the needs of plastic product exploitation.Come from technological angle
Which see, the new machine with additional function of equipment supplier's exploitation, for making up the specific demand of Market Diversification, but without
Kind machine can produce all products, for this reason, machine is designed to standardize as far as possible, specific question is then left for client.
The content of the invention
The utility model aim is：A kind of injection compression moulding mould is provided, can be molded and be pressed in same mould
Contracting two kinds of techniques of molding, are effectively increased injection molded layers geometric accuracy, its optical characteristics also can obtain larger raising, note at the same time
After the completion of modeling, molding is directly compressed, the bonding force being effectively increased between adjacent injection molded layers, so as to improve injection molding effect
Fruit.
The technical solution of the utility model is：A kind of injection compression moulding mould, including dynamic model and cover half, in the dynamic model
Some groups of injection molding cavity shaping mechanisms are equipped between the cover half；Every group of injection molding cavity shaping mechanism includes being arranged on the dynamic model
The interior and mobile abaculus that can slide up and down, and the mould being correspondingly arranged up and down in the cover half and with the mobile abaculus
Face forming blocks；Injection molding cavity is formed between the die face forming blocks and the mobile abaculus, while below each mobile abaculus
Be correspondingly provided with one can the oblique slip in left and right mobile voussoir, a fixation voussoir, and institute are correspondingly provided with below each mobile voussoir
The outboard end for stating mobile voussoir is connected with push-pull mechanism.
As preferable technical solution, the push-pull mechanism includes the straight line driving for being fixed on the dynamic model one side
Structure, one end and the straight line driving mechanism output terminal are hinged, the other end and the hinged activation lever of the dynamic model one side, and
One end is hinged with the activation lever, the other end and the hinged push-pull rod of the mobile voussoir, the power arm of its activation lever are
15 times of resistance arm, and effectively amplify the thrust of servomotor with force-increasing mechanism is synthesized with solid inclined-plane and slideway, be allowed to reach
The requirement compressed to compression molding.
As preferable technical solution, the injection that every group of injection molding cavity shaping mechanism further includes arranged on the cover half upper surface is poured
Mouthful, and connect the injection running channel of the injection molding sprue and the injection molding cavity, it is allowed to mould（It is molded running channel）Flow path/（Injection
Layer）Wall ratio is up to 500:1.
As preferable technical solution, the upper surface of the fixed voussoir is along moving the pull-out direction of voussoir in dipping down
Oblique solid inclined-plane, the lower surface of the mobile voussoir are that the slideway set is bonded with solid inclined-plane, and mobile voussoir can be along solid inclined-plane
The oblique slip in left and right is done, i.e., is pushed into mobile voussoir obliquely or pulls out mobile voussoir obliquely.
As preferable technical solution, the lower surface of the die face forming blocks is plane or regularly arranged spherical groove
Face, can also change other shapes face into according to demand, under normal circumstances, plane be used positioned at the injection molded layers upper surface of the superiors,
Injection molded layers positioned at internal layer can be molded the other shapes such as hemisphere jut in upper surface.
As preferable technical solution, the mobile abaculus is built-in with staggered heating tube, improves compression molding mistake
Temperature in journey, further increases the bonding force between adjacent injection molded layers, its adhesive surface is not had weld mark.
As preferable technical solution, the straight line driving mechanism is linear servo-actuator or hydraulic cylinder, linear servo
Motor is programmed into action according to control program, that is, PLC and makees, and can reach fine adjustment, pass through activation lever, push-pull rod, slideway
Transfer force on the mobile abaculus of dynamic model；Pressure sensor is set in injection molding cavity at the same time, when being compressed moulding technology,
The propulsion action of linear servo-actuator can produce pressure, pressure sensor feedback pressure signal, control system root in injection molding cavity
Pressure signal calculates the propulsive parameter of linear servo-actuator accordingly, controls the action of linear servo-actuator, so as to accurately control
Mobile voussoir or so oblique slip, and mobile abaculus upstream or downstream are driven, final injection molding cavity thickness can be according to different requirements
Be adjusted, the mobile abaculus of dynamic model at the appropriate speed, suitable pressure, suitable stop position complete the action of setting,
And requiring relatively less high occasion, it is also possible to which hydraulic cylinder replaces linear servo-actuator.
The injection moulding process of above-mentioned injection compression moulding mould, specifically comprises the following steps：
Step 1）：Dynamic model and cover half molding first, into the injection molding sprue on cover half, injected plastic melt, is treated in injection molding cavity
After shaping, mobile voussoir is pushed into obliquely, and drives mobile abaculus uplink to be compressed molding, completes the first injection molded layers；
Step 2）：Pull out mobile voussoir obliquely, and drive mobile abaculus downlink, the first injection molded layers and die face forming blocks it
Between form injection molding cavity, the injected plastic melt into the injection molding sprue on cover half again, after shaping in injection molding cavity, is pushed into obliquely
Mobile voussoir, and drive mobile abaculus uplink to be compressed molding, complete the second injection molded layers；
…
Step n）：Mobile voussoir is pulled out obliquely, and drives mobile abaculus downlink, the (n-1)th injection molded layers and die face forming blocks
Between form injection molding cavity, the injected plastic melt into the injection molding sprue on cover half again, after shaping in injection molding cavity, pushes away obliquely
Enter mobile voussoir, and drive mobile abaculus uplink to be compressed molding, complete the n-th injection molded layers.
The plastic melt is using monochromatic melt or polychrome melt.
The lower surface of the die face forming blocks is plane or regularly arranged spherical female groove face, and in every layer of injection compression
Replaceable use before shaping.
The utility model has the advantages that：
1. the utility model can carry out injection and two kinds of techniques of compression molding in same mould, it is several to be effectively increased injection molded layers
What dimensional accuracy, its optical characteristics also can obtain larger raising, while after the completion of injection, directly be compressed molding, effectively
Increase the bonding force between adjacent injection molded layers, its adhesive surface is not had weld mark, and in pressure process, pressure is uniformly applied
Injection molded layers lower surface is added to, so as to improve injection molding effect；
2. the utility model is compared with standard injection mold is moulded into type, it is allowed to mould（It is molded running channel）Flow path/（Injection molded layers）
Wall ratio is up to 500:1, its injection molded layers can reach 20 layers.
Brief description of the drawings
The utility model is further described with reference to the accompanying drawings and embodiments：
Fig. 1 is the main facade view of the utility model；
Fig. 2 is the side elevation sectional view of the utility model；
Fig. 3 is the top view of the utility model；
Fig. 4 is the injection molding sprue schematic diagram of the utility model；
Fig. 5 is the mobile abaculus schematic diagram of the utility model；
Fig. 6 is the mobile abaculus, mobile voussoir, fixed voussoir relative motion principle figure of the utility model；
Fig. 7 is the push-pull mechanism schematic diagram of the utility model；
Fig. 8 is the LCD light guide plate schematic diagrames of the utility model；
Wherein：1 dynamic model, 2 cover half, 3 movement abaculus, 4 die face forming blocks, 5 injection molding cavities, 6 movement voussoirs, 7 fixation voussoirs, 8
Straight line driving mechanism, 9 activation levers, 10 push-pull rods, 11 injection molding sprues, 12 injection running channels, 13 heating tubes.
Embodiment
Embodiment：With reference to shown in Fig. 1-7, a kind of injection compression moulding mould, including dynamic model 1 and cover half 2, in 1 He of dynamic model
Two groups of injection molding cavity shaping mechanisms are equipped between cover half 2；Every group of injection molding cavity shaping mechanism includes being arranged in dynamic model 1 and can be upper and lower
The mobile abaculus 3 slided, and the die face forming blocks 4 being correspondingly arranged in cover half 2 and with mobile abaculus about 3；In die face
Injection molding cavity 5 is formed between forming blocks 4 and mobile abaculus 3, at the same be correspondingly provided with below each mobile abaculus 3 one can left and right it is oblique
The mobile voussoir 6 slided, is correspondingly provided with a fixation voussoir 7 below each mobile voussoir 6, and the outboard end of mobile voussoir 6 connects
Push-pull mechanism is connected to, which includes the straight line driving mechanism 8 for being fixed on 1 one side of dynamic model, one end and straight line driving
The activation lever 9 that 8 output terminal of structure is hinged, the other end and 1 one side of dynamic model are hinged, and one end and activation lever 9 it is hinged, another
The end push-pull rod 10 hinged with mobile voussoir 6, the power arm of its activation lever 9 are 15 times of resistance arm, and with solid inclined-plane and cunning
Inclined-plane effectively amplifies the thrust of servomotor with force-increasing mechanism is synthesized, and makes up to the requirement of compression molding compression.
Every group of injection molding cavity shaping mechanism of the utility model further includes the injection molding sprue 11 arranged on 2 upper surface of cover half, and
Connect the injection running channel 12 of injection molding sprue 11 and injection molding cavity 5, it is allowed to mould（It is molded running channel 12）Flow path/（Injection molded layers）Wall ratio
Up to 500:1, the clamp force and injection pressure of smaller can be used, reduces material internal stress, and improve processing throughput.
It along the pull-out direction of voussoir 6 is moved is in the solid inclined-plane that tilts down that the upper surface that the utility model fixes voussoir 7, which is,
The lower surface of mobile voussoir 6 is that the slideway set is bonded with solid inclined-plane, and mobile voussoir 6 can do the oblique cunning in left and right along solid inclined-plane
It is dynamic, i.e., mobile voussoir 6 is pushed into obliquely or pull out mobile voussoir 6 obliquely, and the inclination angle on its solid inclined-plane and slideway is 10 °,
Latticed oil groove is also offered on slideway at the same time, and wearing layer is coated with its surface, with reducing friction resistance, is reduced sliding oblique
Face surface wear.
The lower surface of the utility model die face forming blocks 4 is plane or regularly arranged spherical female groove face, according to demand
Other shapes face can be changed into, under normal circumstances, plane is used positioned at the injection molded layers upper surface of the superiors, positioned at the injection of internal layer
Layer can be molded the other shapes such as hemisphere jut in upper surface, and replaceable before every layer of compression molding use different die faces
Forming blocks.
The mobile abaculus 6 of the utility model is built-in with staggered heating tube 13, improves the temperature during compression molding
Degree, further increases the bonding force between adjacent injection molded layers, its adhesive surface is not had weld mark, can also be close to die face position
The water route for mould heat exchange is installed, water is passed through or vapor carries out heat exchange.
The utility model straight line driving mechanism 8 is servomotor or hydraulic cylinder, servomotor according to control program behavior,
Carry out fine adjustment；Relatively less high occasion is being required, available hydraulic oil cylinder replaces servomotor, while in injection molding cavity 5
Pressure sensor is set, and when being compressed moulding technology, the propulsion action of servomotor can produce pressure in injection molding cavity, press
Force snesor feedback pressure signal, control system calculate the propulsive parameter of servomotor according to this pressure signal, control servo
The action of motor, so as to accurately control 6 or so the oblique slip of mobile voussoir, and drives mobile 3 upstream or downstream of abaculus, final note
5 thickness of modeling chamber can be adjusted according to different requirements.
The injection moulding process of above-mentioned injection compression moulding mould, specifically comprises the following steps：
Step 1）：Dynamic model 1 and cover half 2 first molds, and the injected plastic melt into the injection molding sprue 11 on cover half 2, waits to note
After moulding intracavitary shaping, mobile voussoir 6 is pushed into obliquely, and drives mobile 3 uplink of abaculus to be compressed molding, completes the first injection
Layer；
Step 2）：Mobile voussoir 6 is pulled out obliquely, and drives mobile 3 downlink of abaculus, the first injection molded layers and die face forming blocks
Injection molding cavity 5 is formed between 4, again the injected plastic melt into the injection molding sprue 11 on cover half 2, after shaping in injection molding cavity, tiltedly
Mobile voussoir 6 is upwardly into, and drives mobile 3 uplink of abaculus to be compressed molding, completes the second injection molded layers；
…
Step n）：Mobile voussoir 6 is pulled out obliquely, and drives mobile 3 downlink of abaculus, and the (n-1)th injection molded layers are molded with die face
Injection molding cavity 5 is formed between block 4, again the injected plastic melt into the injection molding sprue 11 on cover half 2, after shaping in injection molding cavity,
Mobile voussoir 6 is pushed into obliquely, and drives mobile 3 uplink of abaculus to be compressed molding, completes the n-th injection molded layers.
On dynamic model 1, in the boundary line position of product and injection molding sprue 11, design the component of automatic gate cutting, mainly by
The composition such as cast gate knife, spring, spring base and relevant fastener is cut, cast gate knife is cut and is connected with mobile voussoir 6, after the injection-moulding,
During compression forming, a part of power that cast gate knife utilizes compression forming is cut, cast gate is cut, the elastic force of spring is recycled during die sinking,
Completely cut through（Fracture）Cast gate, is siphoned away the cast gate of cut-out by vacuum after die sinking, alternatively, will be cut by vacuum cup or clamping jaw
Disconnected cast gate is taken away.
The plastic melt of the utility model is double-colored when carrying out using monochromatic melt or polychrome melt（Or polychrome）Injection compression
During shaping, the rotation of dynamic model is also related to, i.e. dynamic model 1 is placed on a device that can be spinned.As shown in Figs. 1-3, in double color mould
2 injection molding sprues 11 are designed on tool, undertake a kind of injection in 2 kinds of injected plastics materials respectively, for single die cavity, molding
Afterwards, the first color is first molded, is compressed molding immediately, then mould is opened, and dynamic model 1 rotates 180 degree, 2 dynamic model die cavitys（Type
Chamber）Position, then the second color of mold-closing injection are exchanged, molding is compressed to the second color immediately, then mould is opened again, if only done
This two layers, the double-shot moulding compression forming of the part is completed with regard to this, and product is ejected.If doing n-layer, then again by dynamic model
1 rotation 180 degree, then the first color is molded, molding is compressed immediately, and then mould is opened again, and dynamic model 1 rotates 180 degree, and 2 are dynamic
Mould die cavity exchanges position, then the second color of mold-closing injection is compressed molding to the second color immediately, and then mould is opened again ... the
Of the same colour and one layer of alternating floor of the second color, until completing n-th layer compression molding, just ejects product.
On three color compression moldings, 3 injection molding sprues 11 are designed on three color moulds, undertake 3 kinds of injection materials respectively
A kind of injection in material, for single die cavity, after molding, is first molded the first color, is compressed molding immediately, then mould
Tool is opened, and dynamic model 1 rotates 120 degree, then the second color of mold-closing injection, is compressed molding to the second color immediately, then mould is beaten again
Open, dynamic model 1 rotates 120 degree, then the 3rd color of mold-closing injection again, is compressed molding to the 3rd color immediately, then mould is beaten again
Open ... its operation principle and double-shot moulding compression forming is similar.
As for four colors, the five colors, polychrome, its operation principle is similar.
Above-mentioned mould and technique, available for LCD display industry, medical industry, LED and semicon industry, luxurious packaging
The fields such as industry, laser lens.For the plastic part of LCD light guide plates etc, with reference to shown in Fig. 8, its die face forming blocks 4 is flat
Face type.LCD light guide plates are by layer of transparent PC and the translucent PC ... one of one layer of translucent PC, again layer of transparent PC and another layer
2 kinds of materials of layer alternating floor are made by double-shot moulding compressing and forming process.Every layer of 0.1mm, 20 layers altogether, such light guide plate one
Side by the use of LED as light source, LED light source opposite opposite side by the use of aluminium coated as reflective structure, increase light guide plate glazing it is equal
Evenness.
For this kind of plastic part of LCD light guide plates, in terms of mould heat exchange, using i.e. cold i.e. thermal process, be conducive to improve
Its optical property, mold materials use high-quality high-class stainless steel, its excellent polishing performance can obtain good product appearance
（Reach bloom requirement）, high quenching degree may insure that large scale mold performance is uniform, excellent ductility and toughness, good
Corrosion resisting property and high-wearing feature can realize long die life.I.e. cold i.e. mold heat, compared with common mould, due to
Number of tubes is more, near apart from die face, and cooling heating time is substantially shorter, and makes bloom injection cycle than conventional injection cycle
It is short, realize that Rapid Circulation is molded, meanwhile, with the i.e. cold i.e. surface of plastic products that thermal process produces without molten trace, without current mark, without stream
Line, surface bloom reach mirror effect, improve plastic intensity and case hardness.For double-colored i.e. cold i.e. mold heat, in heat exchange structure
Part design aspect, considers the factors such as dynamic model rotation, must ensure that heat exchange function is reliably effective, mold temperature, which is subject to, surveys, and must reach
To the uniformity of observed temperature.Feasible mould heating and cooling work scheme are adopted using i.e. cold i.e. hot die heater, heating
By the use of high-temperature vapor as heat exchange medium, high-temperature vapor, the energy of high-temperature steam are injected in the water route of mould before injection
Output, gets through rapidly the die channel of complexity, mold temperature is brought up to immediately a setting value, into the modeling of die cavity during injection
Glue can keep optimal molten condition；After injection molding machine completion pressurize is transferred to cooling, start to inject cold water, mold temperature declines quickly
To a cured setting value, complete after curing cooling, then be blown into high-temperature vapor to mould and cold water is blown away at the same time, complete whole
A injection moulding process.
Can produce in aforementioned manners no weld mark or be selectively transferred to edge-of-part region to welding
Trace requires high prism, and this pressurized, can preset plug-in to carry out by injection-moulding device or single hydraulic device
Control.
The above embodiments are only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
God and all equivalent modifications completed under technological thought or change, should be covered by the claim of the utility model.
Claims (7)
1. a kind of injection compression moulding mould, including dynamic model and cover half, it is characterised in that between the dynamic model and the cover half
Equipped with some groups of injection molding cavity shaping mechanisms；Every group of injection molding cavity shaping mechanism includes being arranged in the dynamic model and can sliding up and down
Mobile abaculus, and in the cover half and with the mobile abaculus die face forming blocks that are correspondingly arranged up and down；Described
Injection molding cavity is formed between die face forming blocks and the mobile abaculus, at the same be correspondingly provided with below each mobile abaculus one can left and right
The mobile voussoir of oblique slip, is correspondingly provided with a fixation voussoir, and the outside of the mobile voussoir below each mobile voussoir
End is connected with push-pull mechanism.
2. injection compression moulding mould according to claim 1, it is characterised in that the push-pull mechanism includes being fixed on institute
State the straight line driving mechanism of dynamic model one side, one end and the straight line driving mechanism output terminal are hinged, the other end and the dynamic model
The hinged activation lever of one side, and one end and the activation lever are hinged, the other end with the mobile voussoir is hinged pushes away
Pull rod.
3. injection compression moulding mould according to claim 1, it is characterised in that every group of injection molding cavity shaping mechanism further includes
Injection molding sprue arranged on the cover half upper surface, and connect the injection running channel of the injection molding sprue and the injection molding cavity.
4. injection compression moulding mould according to claim 1, it is characterised in that the upper surface of the fixed voussoir is edge
The pull-out direction of mobile voussoir is in the solid inclined-plane tilted down, and the lower surface of the mobile voussoir is to be bonded what is set with solid inclined-plane
Slideway.
5. injection compression moulding mould according to claim 1, it is characterised in that the lower surface of the die face forming blocks is
Plane or regularly arranged spherical female groove face.
6. injection compression moulding mould according to claim 1, it is characterised in that the mobile abaculus is built-in with staggered row
The heating tube of cloth.
7. injection compression moulding mould according to claim 2, it is characterised in that the straight line driving mechanism is watched for straight line
Take motor or hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721221801.6U CN207224484U (en) | 2017-09-22 | 2017-09-22 | A kind of injection compression moulding mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721221801.6U CN207224484U (en) | 2017-09-22 | 2017-09-22 | A kind of injection compression moulding mould |
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| Publication Number | Publication Date |
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| CN207224484U true CN207224484U (en) | 2018-04-13 |
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ID=61863482
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| CN201721221801.6U Active CN207224484U (en) | 2017-09-22 | 2017-09-22 | A kind of injection compression moulding mould |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107627546A (en) * | 2017-09-22 | 2018-01-26 | 苏州技泰精密部件有限公司 | A kind of injection compression moulding mould and its process |
| CN111942744A (en) * | 2020-08-24 | 2020-11-17 | 遵义市兴英鹏塑料包装有限公司 | Corrosion-resistant medicine packaging box and manufacturing process thereof |
-
2017
- 2017-09-22 CN CN201721221801.6U patent/CN207224484U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107627546A (en) * | 2017-09-22 | 2018-01-26 | 苏州技泰精密部件有限公司 | A kind of injection compression moulding mould and its process |
| CN111942744A (en) * | 2020-08-24 | 2020-11-17 | 遵义市兴英鹏塑料包装有限公司 | Corrosion-resistant medicine packaging box and manufacturing process thereof |
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