CN2761399Y - Plastic jet pressing composite shaping mould - Google Patents
Plastic jet pressing composite shaping mould Download PDFInfo
- Publication number
- CN2761399Y CN2761399Y CNU2004200937463U CN200420093746U CN2761399Y CN 2761399 Y CN2761399 Y CN 2761399Y CN U2004200937463 U CNU2004200937463 U CN U2004200937463U CN 200420093746 U CN200420093746 U CN 200420093746U CN 2761399 Y CN2761399 Y CN 2761399Y
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Abstract
The utility model relates to a plastic injection pressing composite forming mold, which comprises a concave mold (1), a convex mold (7) and a guiding mechanism for a combined mold, wherein the concave mold (1) is arranged on a forming plate (5), the forming plate (5) is connected with a mold seat (2), and the mold seat (2) is arranged on an injection machine via a positioning plate (22). A main flow passage bush (26) at the middle part of the positioning plate (22) is provided with a main flow passage (25), and the main flow passage (25) is communicated with a forming cavity (31) via a branch flow passage (24) and a gate. The convex mold (7) is arranged on a forming plate (6), the forming plate (6) is orderly supported on a supporting plate (8) and a supporting plate (9), the supporting plate (9) is connected with a mold seat (10), wherein a two-stage mold opening and closing mechanism is arranged on the forming plate (6). The utility model not only can produce precise large-scale plastic components having complicated shapes, but also is favorable for processing working plastic having large flow viscosity, and the utility model having the advantages of high productive efficiency, artful design, simple structure, easy assemblage, good performance, convenience and practicality can improve manufacturing environment.
Description
1, technical field:
The utility model is a kind of plastics injection-compacting composite molding mould, belongs to the renovation technique of plastics injection-compacting composite molding mould.
2, background technology:
At present the method for plastic shaping mainly contains that injection molding is molded, the plastics pressing die is molded and the plastics die cast, wherein injection molding is molded is plastics heating plasticizings in the barrel of injection (mo(u)lding) machine, under the injection pressure effect, molten plastic is from the nozzle ejection of barrel front end, the running gate system of flowing through is injected into the near closed hollow ring of mould, cooling and shaping again.At last, open die cavity, goods are taken out in the demoulding.This moulding process of the normal employing of the production of the more complicated plastic of shape.But owing to be subjected to the restriction of the maximum flow process of melt, this kind technology can not be produced large-sized plastic.The plastics pressing die is molded to be that granular or powdered plastic raw material are joined heating plasticizing in the cavity that the die of mould and feed compartment form.The mould closure forms near closed hollow ring, and the further heating plasticizing of melt also produces certain flowing and moulding.At last, open die cavity, goods are taken out in the demoulding.Because plastic raw materials has distributed in die and has come, therefore, even the large-sized plastic of moulding, melt also only produces more short-range flowing, this kind technology can not the production shape complicated plastic, large-scale plastic parts that can only the production simple shape, and production efficiency is extremely low and production environment is abominable.The plastics die cast is a kind of composite molding technique of molded technology of injection molding and compacting molding process planning, and the difference of plastics die cast mould and the molded mould of plastics pressing die is: the feed compartment and the mold cavity of plastics die cast mould are separate.Granular or powdered plastic raw material joins the interior heating plasticizing of feed compartment of mould in advance, and under the thrust of compression leg, the running gate system of melt between feed compartment and mold cavity is injected into the near closed hollow ring of mould, cooling and shaping again.At last, open die cavity, goods are taken out in the demoulding.Though the more complicated large-sized plastic of this kind technology energy production shape,, all to quantitatively add granular or the powdered plastic raw material in the beginning of the moulding cyclc of producing every goods, cause production operation trouble and production efficiency low, and abominable production environment.Also exist running gate system quantity too much and feed compartment clear up shortcomings such as difficulty.
3, summary of the invention:
The purpose of this utility model is to consider the problems referred to above and a kind of complex-shaped accurate large-scale plastic parts of can not only producing is provided, and helps the big processing of plastic of mobile difference viscosity, and the higher plastics injection-compacting composite molding mould of production efficiency.The utility model can improve production environment, and make it the same and have good production environment with the molded technology of injection molding, and also simple in structure, assembling is easily.
Structural representation of the present utility model as shown in Figure 1; include die (1); punch (7) and matched moulds guiding mechanism; wherein die (1) is installed on the template (5); template (5) is connected with die holder (2); die holder (2) is installed on the injector by location-plate (22); and made sprue (25) on the sprue bush (26) at location-plate (22) middle part; sprue (25) communicates with die cavity (31) by runner (24) and cast gate; punch (7) is installed on the template (6); template (6) is bearing on support plate (8) and the support plate (9) successively; support plate (9) is connected with die holder (10); wherein be equiped with two-stage mold closing die opening mechanism on the template (6); above-mentioned two-stage mold closing die opening mechanism includes ladder block (21); skewback (20) and driving mechanism (17) thereof; concave surface (21A) and wedge type hole (21B) have wherein been made on the ladder block (21); ladder block (21) is connected with template (6); skewback (20) be installed in corresponding position, wedge type hole (21B) on, and skewback (20) is connected with driving mechanism (17).
Above-mentioned ladder block (21) also is equiped with resetting-mechanism, it includes connecting rod (18) and back-moving spring (19), wherein an end of connecting rod (18) is installed on the set cavity (6A) of template (6), and the other end is connected with ladder block (21), and back-moving spring (19) is sleeved on the connecting rod (18).
Also be provided with the runner self-regulation structure between above-mentioned die (1) and the punch (7), it includes pull bar (27), some springs (28), moving runner plate (29), wherein an end of pull bar (27) is a polished rod, it is sleeved on the set unthreaded hole of punch (7), the other end of pull bar (27) has been made screw thread, it passes adjustment hole (30) the moving runner plate (29) inboard with being arranged on sprue bush (26) and is connected, and some springs (28) are installed in the adjustment hole (30).
Also be provided with the mould temperature control device (32) of heating and cooling on above-mentioned die (1) and the punch (7), mould temperature control device (32) is for being distributed in heater and the cooler in die (1) and the punch (7).
Also be provided with the matched moulds guiding mechanism on above-mentioned die (1) and the punch (7), include guide pin bushing (3), guide pillar (4), wherein guide pin bushing (3) is installed on the set pilot hole of template (5), and an end of guide pillar (4) is inserted in the guide pin bushing (3), and the other end is inserted on the set pilot hole of template (5).
Above-mentioned punch also is provided with mould emptier on (7); it includes push rod (9), back-moving spring (10), push pedal (11); push pedal (11) is installed in the inboard of die holder (10); one end of push rod (9) is fixed in the push pedal (11) by fixed head (12); the other end is located on the punch (7), and back-moving spring (10) is sleeved on the push rod (9).
The utility model is owing to adopt the mould structure of injection-compacting composite molding, and therefore, it can not only produce complex-shaped accurate large-scale plastic parts, help the big processing of plastic of mobile difference viscosity, and production efficiency is higher.The utility model can improve production environment, and make it the same and have good production environment with the molded technology of injection molding, and also simple in structure, assembling is easily.The utility model is that a kind of design is ingenious, function admirable, convenient and practical plastics injection one compacting composite molding mould.
4, description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the partial enlarged drawing at P place among Fig. 1.
5, the specific embodiment:
Embodiment:
Structural representation of the present utility model as shown in Figure 1; include die (1); punch (7) and matched moulds guiding mechanism; wherein die (1) is installed on the template (5); template (5) is connected with die holder (2); die holder (2) is installed on the injector by location-plate (22); and made sprue (25) on the sprue bush (26) at location-plate (22) middle part; sprue (25) communicates with die cavity (31) by runner (24) and cast gate; punch (7) is installed on the template (6); template (6) is bearing on support plate (8) and the support plate (9) successively; support plate (9) is connected with die holder (10); wherein be equiped with two-stage mold closing die opening mechanism on the template (6); above-mentioned two-stage mold closing die opening mechanism includes ladder block (21); skewback (20) and driving mechanism (17) thereof; concave surface (21A) and wedge type hole (21B) have wherein been made on the ladder block (21); ladder block (21) is connected with template (6); skewback (20) be installed in corresponding position, wedge type hole (21B) on, and skewback (20) is connected with driving mechanism (17).
Above-mentioned ladder block (21) also is equiped with resetting-mechanism, it includes connecting rod (18) and back-moving spring (19), wherein an end of connecting rod (18) is installed on the set cavity (6A) of template (6), and the other end is connected with ladder block (21), and back-moving spring (19) is sleeved on the connecting rod (18).
Diminish for fear of runner (24) in the compression moulding process, the liquid material is from runner (24) blowdown, also be provided with the runner self-regulation structure between above-mentioned die (1) and the punch (7), it includes pull bar (27), some springs (28), moving runner plate (29), wherein an end of pull bar (27) is a polished rod, it is sleeved on the set unthreaded hole of punch (7), the other end of pull bar (27) has been made screw thread, it passes adjustment hole (30) the moving runner plate (29) inboard with being arranged on sprue bush (26) and is connected, and some springs (28) are installed in the adjustment hole (30).
In order to satisfy the required temperature of moulding, also be provided with the mould temperature control device (32) of heating and cooling on above-mentioned die (1) and the punch (7), mould temperature control device (32) is for being distributed in heater and the cooler in die (1) and the punch (7).
In order to ensure the folding of die (1) and punch (7) freely, also be provided with the matched moulds guiding mechanism on above-mentioned die (1) and the punch (7), include guide pin bushing (3), guide pillar (4), wherein guide pin bushing (3) is installed on the set pilot hole of template (5), one end of guide pillar (4) is inserted in the guide pin bushing (3), and the other end is inserted on the set pilot hole of template (5).
The demoulding for convenience; above-mentioned punch also is provided with mould emptier on (7); it includes push rod (9), back-moving spring (10), push pedal (11); push pedal (11) is installed in the inboard of die holder (10); one end of push rod (9) is fixed in the push pedal (11) by fixed head (12); the other end is located on the punch (7), and back-moving spring (10) is sleeved on the push rod (9).
During the utility model work; as shown in Figure 1; plastic raw materials is heating plasticizing in the injector barrel; under the effect of two-stage mold closing die opening mechanism; the upper surface of ladder block (21) contacts with template (5); punch (7) and die (1) are realized the one-level matched moulds of mould; form near closed hollow ring; under the injection pressure effect; molten plastic is from the nozzle ejection of barrel front end; the running gate system of forming through sprue (25), runner (24) and cast gate is injected into the near closed hollow ring (31) of mould, realizes the die cavity quantitative filling.The heater of mould temperature control device (32) makes plastic melt remain on forming temperature to the die cavity heat tracing.Simultaneously, injection pressure is kept the die cavity internal pressure and is reached briquetting pressure, and skewback (20) moves under the effect of driving mechanism (17), insert the wedge type hole (21B) of ladder block (21), ladder block (21) is outwards moved, at this moment, the concave surface (21A) of ladder block (21) contacts with template (5), punch (7) and die (1) are realized the secondary matched moulds of mould, make between punch and the die profile apart from further reducing realization compression moulding.In this process, spring (28) pressurized of the runner self-regulation structure between die (1) and the punch (7), moving runner plate (29) moves down, and is constant with the sectional area that keeps runner (24).After this, the cooler of mould temperature control device (32) is near closed hollow ring (31) cooling, and near closed hollow ring (31) begins to cool down, and the plastic melt temperature is dropped to below the softening point, finishes cooling and shaping.During the demoulding; skewback (20) moves downward under the effect of driving mechanism (17); withdraw from the wedge type hole (21B) of ladder block (21); ladder block (21) outwards moves under the resetting-mechanism effect of being made up of connecting rod (18) and back-moving spring (19); at this moment; the upper surface of ladder block (21) contacts with template (5), and punch (7) is under the die opening mechanism effect, and mold cavity is opened along die joint.The piston of injector hydraulic cylinder promotes push pedal (11) motion, and push rod (9) movement therewith makes it the moulding in the near closed hollow ring (31) is released, and finishes the plastic demoulding.Subsequently, the piston of injector hydraulic cylinder withdraws from, and push rod (9) resets under the effect of back-moving spring (10).
Claims (7)
1; a kind of plastics injection-compacting composite molding mould; include die (1); punch (7) and matched moulds guiding mechanism; wherein die (1) is installed on the template (5); template (5) is connected with die holder (2); die holder (2) is installed on the injector by location-plate (22); and made sprue (25) on the sprue bush (26) at location-plate (22) middle part; sprue (25) communicates with die cavity (31) by runner (24) and cast gate; punch (7) is installed on the template (6); template (6) is bearing on support plate (8) and the support plate (9) successively; support plate (9) is connected with die holder (10), it is characterized in that being equiped with on the template (6) two-stage mold closing die opening mechanism.
2, plastics injection-compacting composite molding mould according to claim 1; it is characterized in that above-mentioned two-stage mold closing die opening mechanism includes ladder block (21), skewback (20) and driving mechanism (17) thereof; concave surface (21A) and wedge type hole (21B) have wherein been made on the ladder block (21); ladder block (21) is connected with template (6); skewback (20) be installed in corresponding position, wedge type hole (21B) on, and skewback (20) is connected with driving mechanism (17).
3, plastics injection-compacting composite molding mould according to claim 2, it is characterized in that above-mentioned ladder block (21) also is equiped with resetting-mechanism, it includes connecting rod (18) and back-moving spring (19), wherein an end of connecting rod (18) is installed on the set cavity (6A) of template (6), the other end is connected with ladder block (21), and back-moving spring (19) is sleeved on the connecting rod (18).
4, plastics injection-compacting composite molding mould according to claim 1, it is characterized in that also being provided with the runner self-regulation structure between above-mentioned die (1) and the punch (7), it includes pull bar (27), some springs (28), moving runner plate (29), wherein an end of pull bar (27) is a polished rod, it is sleeved on the set unthreaded hole of punch (7), the other end of pull bar (27) has been made screw thread, it passes adjustment hole (30) the moving runner plate (29) inboard with being arranged on sprue bush (26) and is connected, and some springs (28) are installed in the adjustment hole (30).
5, plastics injection-compacting composite molding mould according to claim 1, it is characterized in that also being provided with on above-mentioned die (1) and the punch (7) the mould temperature control device (32) of heating and cooling, mould temperature control device (32) is for being distributed in heater and the cooler in die (1) and the punch (7).
6, according to each described plastics injection-compacting composite molding mould of claim 1 to 5, it is characterized in that also being provided with the matched moulds guiding mechanism on above-mentioned die (1) and the punch (7), include guide pin bushing (3), guide pillar (4), wherein guide pin bushing (3) is installed on the set pilot hole of template (5), one end of guide pillar (4) is inserted in the guide pin bushing (3), and the other end is inserted on the set pilot hole of template (5).
7, plastics injection-compacting composite molding mould according to claim 6; it is characterized in that also being provided with mould emptier on the above-mentioned punch (7); it includes push rod (9), back-moving spring (10), push pedal (11); push pedal (11) is installed in the inboard of die holder (10); one end of push rod (9) is fixed in the push pedal (11) by fixed head (12); the other end is located on the punch (7), and back-moving spring (10) is sleeved on the push rod (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200937463U CN2761399Y (en) | 2004-10-09 | 2004-10-09 | Plastic jet pressing composite shaping mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200937463U CN2761399Y (en) | 2004-10-09 | 2004-10-09 | Plastic jet pressing composite shaping mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2761399Y true CN2761399Y (en) | 2006-03-01 |
Family
ID=36094534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200937463U Expired - Fee Related CN2761399Y (en) | 2004-10-09 | 2004-10-09 | Plastic jet pressing composite shaping mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2761399Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328391A (en) * | 2011-10-08 | 2012-01-25 | 芜湖市佳美橡塑制品有限公司 | Injection mould |
| CN102357989A (en) * | 2011-10-08 | 2012-02-22 | 芜湖市佳美橡塑制品有限公司 | Injection mould |
| CN102990861A (en) * | 2012-10-29 | 2013-03-27 | 苏州市吴中区木渎华利模具加工店 | Acrylic mold for molding front shell of drop-shaped electric heater |
| CN103128931A (en) * | 2011-11-28 | 2013-06-05 | 马斯特模具（昆山）有限公司 | Novel pouring mold |
| CN106182629A (en) * | 2016-07-04 | 2016-12-07 | 山东东瑞生物技术有限公司 | The production method of stretching bar in a kind of skin stapler |
| CN106182630A (en) * | 2016-07-04 | 2016-12-07 | 山东东瑞生物技术有限公司 | The production method of pasting boards in a kind of skin stapler |
-
2004
- 2004-10-09 CN CNU2004200937463U patent/CN2761399Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328391A (en) * | 2011-10-08 | 2012-01-25 | 芜湖市佳美橡塑制品有限公司 | Injection mould |
| CN102357989A (en) * | 2011-10-08 | 2012-02-22 | 芜湖市佳美橡塑制品有限公司 | Injection mould |
| CN103128931A (en) * | 2011-11-28 | 2013-06-05 | 马斯特模具（昆山）有限公司 | Novel pouring mold |
| CN102990861A (en) * | 2012-10-29 | 2013-03-27 | 苏州市吴中区木渎华利模具加工店 | Acrylic mold for molding front shell of drop-shaped electric heater |
| CN106182629A (en) * | 2016-07-04 | 2016-12-07 | 山东东瑞生物技术有限公司 | The production method of stretching bar in a kind of skin stapler |
| CN106182630A (en) * | 2016-07-04 | 2016-12-07 | 山东东瑞生物技术有限公司 | The production method of pasting boards in a kind of skin stapler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |