CN216885011U - A advance gluey mechanism for double-colored injection mold - Google Patents
A advance gluey mechanism for double-colored injection mold Download PDFInfo
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- CN216885011U CN216885011U CN202220884002.1U CN202220884002U CN216885011U CN 216885011 U CN216885011 U CN 216885011U CN 202220884002 U CN202220884002 U CN 202220884002U CN 216885011 U CN216885011 U CN 216885011U
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- sprue
- mounting plate
- needle
- lock tongue
- shot
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Abstract
The utility model discloses a glue feeding mechanism for a double-color injection mold, which comprises: the injection molding device comprises a sprue needle mounting plate, a sprue needle, a reset spring, a limit screw, a lock tongue mounting plate, a lock tongue reset spring, a support column and a lock tongue driving plate, wherein the sprue needle mounting plate is arranged between a rear mold ejection mechanism and a rear mold plate of the mold; according to the utility model, the two-shot soft rubber injection gate is arranged in the one-shot hard rubber molding cavity area, the two-shot soft rubber injection gate is respectively shielded and exposed in the one-shot hard rubber injection process and the two-shot soft rubber injection process by using the glue feeding mechanism, so that the two-shot soft rubber injection gate is subjected to double-color injection molding, no injection gate mark is formed on the surface of the soft rubber of the product, and the appearance quality of the appearance surface of the soft rubber is ensured.
Description
Technical Field
The utility model relates to the field of injection mold design, in particular to a glue feeding mechanism for a double-color injection mold.
Background
In the field of automobile ornament injection molding, in order to improve the performance of products such as attractiveness, assembly and the like, a plurality of manufacturers adopt a double-color injection molding process at present, and the double-color injection molding of the products is realized by respectively injecting two materials with different colors or different hardness into a primary molding die and a secondary molding die twice in front and at the back. When adopting ebonite and flexible glue to carry out double-colored injection moulding, ebonite part is mainly for guaranteeing product structural strength characteristic, and flexible glue part is mainly for the pleasing to the eye degree of outward appearance and the comfort level that promotes the product. On traditional double-colored injection mold, once advance gluey runner of advancing gluey with the secondary and lie in two regions of twice shaping respectively, the shaping back, two regions of product all leave the runner vestige of moulding plastics, and the regional runner of post forming exposes, influences product flexible glue appearance quality.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model aims to provide a glue feeding mechanism for a double-color injection mold.
In order to realize the purpose, the utility model is realized by the following technical scheme: the utility model provides a advance gluey mechanism for double-colored injection mold, includes that two sets of structures completely unanimous back mould, a set of one penetrate the front mould and a set of two penetrate the front mould, all sets up a set of mechanism of advancing gluey on two sets of back moulds, includes: a gate needle mounting plate, a gate needle, a reset spring, a limit screw, a lock tongue mounting plate, a lock tongue reset spring and a support column, wherein the gate needle mounting plate is positioned between a mold rear mold ejection mechanism and a rear mold plate, the gate needle is fixedly mounted on the gate needle mounting plate, the gate needle mounting plate is provided with the limit screw, the head of the limit screw longitudinally penetrates through the gate needle mounting plate and is connected with the bottom of the rear mold plate, the reset spring is sleeved on the limit screw and positioned at the part above the gate needle mounting plate, the lock tongue is mounted on the two sides of the gate needle mounting plate through the lock tongue mounting plate, the top and the bottom of the lock tongue are respectively in sliding connection with the gate needle mounting plate and the lock tongue mounting plate, the inner side end of the lock tongue is transversely provided with the lock tongue reset spring, and the end of the lock tongue reset spring is abutted against the inner wall of the gate needle mounting plate, a support column is arranged at the outer side end of the lock tongue, the bottom of the support column is fixedly arranged on the rear mold fixing plate, and a lock tongue driving plate is longitudinally arranged at the side end of the two-shot front mold plate; the two-shot soft rubber injection molding gate is arranged in the one-shot hard rubber molding cavity area, the gate needle penetrates into the rear template from bottom to top, and the top of the gate needle is attached to the side face of the two-shot soft rubber injection molding gate.
The spring bolt driving device comprises a spring bolt, a spring bolt driving plate and a spring bolt, wherein two sides of the upper end of the spring bolt are provided with inclined planes, a U-shaped groove is formed below the spring bolt driving plate, and driving inclined planes are arranged on two arms of the U-shaped groove and close to two side ends of the inclined planes of the spring bolt.
Compared with the prior art, the utility model has the beneficial effects that: two penetrate the flexible glue runner of moulding plastics and set up in one and penetrate in ebonite shaping die cavity region, utilize two-color mould to advance gluey mechanism and realize two penetrate the flexible glue runner of moulding plastics and mould plastics the in-process at ebonite and flexible glue, sheltered from respectively and expose, accomplish the double-colored injection moulding of product to realized that product flexible glue surface does not have the runner vestige of moulding plastics, guaranteed the appearance quality of flexible glue appearance face.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a first partial schematic view of the present invention;
FIG. 3 is a second partial schematic view of the present invention;
fig. 4 is a schematic structural view of the driving plate of the locking bolt of the present invention;
FIG. 5 is a schematic view of a partial structure of the top of the gate pin and the two-shot soft plastic injection gate of the present invention;
FIG. 6 is a schematic view of a partial structure of the present invention mounted on a two-shot mold;
FIG. 7 is a schematic structural view of the two-shot mold of the present invention in a closed state.
In the figure: 1-a gate pin mounting plate; 2-gate needle; 3-a return spring; 4-a limit screw; 5-a bolt; 51-inclined plane; 6-bolt mounting plate; 7-bolt return spring; 8-a support column; 9-a bolt driving plate; 91-U type groove; 92-driving the ramp.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and more obvious, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
As shown in fig. 1 to 7, the present invention provides a glue feeding mechanism for a two-color injection mold, which includes two sets of rear molds with completely consistent structures, a set of one-shot front mold and a set of two-shot front mold, wherein the two sets of rear molds are provided with a set of glue feeding mechanism, and the glue feeding mechanism includes: a sprue needle mounting plate 1, a sprue needle 2, a reset spring 3, a limit screw 4, a lock tongue 5, a lock tongue mounting plate 6, a lock tongue reset spring 7 and a support column 8, wherein the sprue needle mounting plate 1 is positioned between a mold rear mold ejection mechanism and a rear mold plate, the power source for upward ejection and reset of the sprue needle mounting plate 1 is the rear mold ejection mechanism, the sprue needle 2 is fixedly mounted on the sprue needle mounting plate 1, the limit screw 4 is arranged on the sprue needle mounting plate 1, the head of the limit screw 4 longitudinally penetrates through the sprue needle mounting plate 1 and is connected to the bottom of the rear mold plate, the reset spring 3 is sleeved on the limit screw 4 and positioned on the part above the sprue needle mounting plate 1, the lock tongue 5 is mounted on two sides of the sprue needle mounting plate 1 through the lock tongue mounting plate 6, and the top and the bottom of the lock tongue 5 are respectively in sliding connection with the sprue needle mounting plate 1 and the lock tongue mounting plate 6, a bolt reset spring 7 is transversely arranged at the inner side end of the bolt 5, the end part of the bolt reset spring 7 abuts against the inner wall of the sprue needle mounting plate 1, a support column 8 is arranged at the outer side end of the bolt 5, the bottom of the support column 8 is fixedly mounted on a rear mold fixing plate, and a bolt driving plate 9 is longitudinally mounted at the side end of the two-shot front mold plate; the two-shot soft rubber injection molding gate is arranged in the one-shot hard rubber molding cavity area, the gate needle 2 penetrates into the rear template from bottom to top, and the top of the gate needle is attached to the side face of the two-shot soft rubber injection molding gate.
Specifically, inclined planes 51 are arranged on two sides of the upper end of the lock tongue 5, a U-shaped groove 91 is arranged below the lock tongue driving plate 9, and driving inclined planes 92 are arranged on two arms of the U-shaped groove 91 and close to two side ends of the inclined planes 51 of the lock tongue 5.
Under the condition that the injection molding and die assembly of the first injection hard rubber are carried out, the sprue needle mounting plate 1 and the sprue needle 2 are in an upward ejection state, the upper end of the sprue needle 2 shields the two-injection soft rubber injection sprue so as to prevent hard rubber materials from flowing into a soft rubber forming area from the two-injection soft rubber injection sprue, the reset spring 3 is in a compression state, the lock tongue 5 is in a popup reset state, and the top of the support column 8 supports the bottom of the lock tongue 5 so as to ensure that the longitudinal position state of the whole rubber feeding mechanism is kept during the injection molding of the first injection hard rubber;
after the first injection, the rear mold rotates, the second injection molding is carried out with the second injection front mold closing mold, in the mold closing process, a spring bolt driving plate 9 located at the side end of the second injection front mold plate gradually approaches and drives a spring bolt 5 to slide towards one side far away from a supporting column 8, the supporting column 8 loses supporting force on the whole glue feeding mechanism, under the downward elastic action of a return spring 3, a sprue needle mounting plate 1 moves downwards to the limiting bottom along a limiting screw 4, a sprue needle 2 synchronously moves downwards to expose a second injection soft glue injection sprue, the mold closing is completed, and a second injection soft glue material flows into a soft glue forming area from the second injection soft glue injection sprue, so that a second injection soft glue part is completed;
after the completion of moulding plastics, the die sinking, spring bolt drive plate 9 keeps away from spring bolt 5 gradually, in the meantime, whole mechanism position of advancing glue keeps unchanged, after the die sinking is accomplished, back mould ejection mechanism upwards ejecting, to the ejecting reset of runner needle mounting panel 1 upwards, spring bolt 5 shifts up to support column 8 top in step, the lateral wall of support column 8 loses the lateral shifting restriction to spring bolt 5, under spring bolt reset spring 7's elastic force effect, spring bolt 5 resets to the one side slip that is close to support column 8, support column 8 supports spring bolt 5, advance gluey mechanism to whole and play longitudinal support effect again. And finishing the double-color injection molding cycle.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (2)
1. The utility model provides a advance gluey mechanism for double-shot injection mold, includes two sets of structures completely unanimous back mould, a set of one penetrate the front mould and a set of two penetrate the front mould, its characterized in that: all set up a set of mechanism of advancing glue on two sets of back moulds, include: sprue needle mounting plate (1), sprue needle (2), reset spring (3), stop screw (4), spring bolt (5), spring bolt mounting plate (6), spring bolt reset spring (7) and support column (8), sprue needle mounting plate (1) is located between mould back mould ejection mechanism and the back template, sprue needle (2) fixed mounting in on sprue needle mounting plate (1), set up stop screw (4) on sprue needle mounting plate (1), the head of stop screw (4) vertically passes sprue needle mounting plate (1) and connect in the bottom of back template, reset spring (3) cover on stop screw (4) and be located the part of sprue needle mounting plate (1) top, the both sides of sprue needle mounting plate (1) are passed through spring bolt mounting plate (6) installation spring bolt (5), the top and the bottom of the lock tongue (5) are respectively in sliding connection with the sprue needle mounting plate (1) and the lock tongue mounting plate (6), the inner side end of the lock tongue (5) is transversely provided with a lock tongue reset spring (7), the end part of the lock tongue reset spring (7) is abutted against the inner wall of the sprue needle mounting plate (1), the outer side end of the lock tongue (5) is provided with a support column (8), the bottom of the support column (8) is fixedly mounted on the rear mold fixing plate, and the side end of the secondary injection front mold plate is longitudinally provided with a lock tongue drive plate (9); the two-shot soft rubber injection molding sprue is arranged in a one-shot hard rubber molding cavity area, the sprue needle (2) penetrates into the rear template from bottom to top, and the top of the sprue needle is attached to the side face of the two-shot soft rubber injection molding sprue.
2. The glue feeding mechanism for the double-color injection mold according to claim 1, characterized in that: the upper end both sides of spring bolt (5) set up inclined plane (51), the below of spring bolt drive plate (9) is U type groove (91), and on the both sides of two arms of U type groove (91), and be close to the both sides end of inclined plane (51) of spring bolt (5) sets up drive inclined plane (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220884002.1U CN216885011U (en) | 2022-04-18 | 2022-04-18 | A advance gluey mechanism for double-colored injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220884002.1U CN216885011U (en) | 2022-04-18 | 2022-04-18 | A advance gluey mechanism for double-colored injection mold |
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| Publication Number | Publication Date |
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| CN216885011U true CN216885011U (en) | 2022-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220884002.1U Active CN216885011U (en) | 2022-04-18 | 2022-04-18 | A advance gluey mechanism for double-colored injection mold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116728716A (en) * | 2023-08-15 | 2023-09-12 | 常源科技（天津）有限公司 | Double-colored car handrail injection mold |
-
2022
- 2022-04-18 CN CN202220884002.1U patent/CN216885011U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116728716A (en) * | 2023-08-15 | 2023-09-12 | 常源科技（天津）有限公司 | Double-colored car handrail injection mold |
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