CN219727050U

CN219727050U - Mould of interlink type glue inlet

Info

Publication number: CN219727050U
Application number: CN202321351537.3U
Authority: CN
Inventors: 张磊; 李志远
Original assignee: Dongguan Xianghui Technology Co ltd
Current assignee: Dongguan Xianghui Technology Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-09-22
Anticipated expiration: 2033-05-30

Abstract

The utility model discloses a mould of a interlinked glue inlet, which comprises a movable mould and a fixed mould, wherein the movable mould comprises a movable mould core, the fixed mould comprises a fixed mould core, a cavity, an insert and a first horizontal runner are arranged between the movable mould core and the fixed mould core, the fixed mould core is provided with a first inclined runner, the insert is provided with a second horizontal runner, a second vertical runner and a second inclined runner, and the first inclined runner and the second horizontal runner are both provided with glue inlets for communicating the cavity. This mould of mouth is glued to interlink advances, advances gluey mouthful through design tortuous runner and a plurality of mouth that advances, carries out the multi-place to the type chamber and advances gluey mouthful, sets up in the middle of the thin gluey position especially, can effectively avoid the thin gluey position of injection moulding's product to appear pressing from both sides the waterline in the middle of, prevents that the condition of stranded gas and fracture and glue uneven from appearing, guarantees the quality of product, does benefit to product sales and use.

Description

Mould of interlink type glue inlet

Technical Field

The utility model relates to the technical field of dies, and particularly discloses a die with a interlinked glue inlet.

Background

With the development of injection molding technology, a plurality of products with complex structural shapes can be produced in batches by adopting the injection molding technology, so that the purposes of improving the production efficiency and saving the production cost are achieved. The existing injection mold mostly uses a large water gap cold runner to enter glue, and a glue inlet is generally formed at two ends of a cavity in the length direction, so that for products with special structural shapes (such as a crescent closed area), a water clamping line is easy to occur in the middle of a thin glue position of the product, air trapping and breakage are easy to occur, glue is not uniform, the quality of the product is affected, and the sales and use of the product are not facilitated.

Disclosure of Invention

In order to overcome the defects and shortcomings in the prior art, the utility model aims to provide a mould with a interlinked glue inlet, solve the problems that a glue line, trapped air, breakage and uneven glue running are easy to occur at a glue position of a product, and ensure the quality of the product.

In order to achieve the above purpose, the mould of the interlinking glue inlet comprises a movable mould and a fixed mould which are matched with each other, wherein the movable mould comprises a movable mould core, the fixed mould comprises a fixed mould core, a cavity and an insert are arranged between the movable mould core and the fixed mould core in a matched manner, and the insert is used for forming a mould core by matching the movable mould core with the fixed mould core; a plurality of first horizontal flow passages which are mutually communicated are arranged between the fixed mold core and the movable mold core, the fixed mold core is provided with a plurality of first inclined flow passages, the plurality of first horizontal flow passages are respectively communicated with the plurality of first inclined flow passages, and the plurality of first inclined flow passages are respectively provided with a glue inlet which is communicated with the cavity;

the one side that inserts is close to the movable mould core is provided with second horizontal runner, inserts still is provided with second vertical runner and second oblique runner, and the upper end of second vertical runner communicates in second horizontal runner, and the lower extreme of second vertical runner communicates in first oblique runner, and the both ends of second horizontal runner communicate respectively have the second oblique runner, and the one end of second oblique runner communicates in second horizontal runner, and the other end of second oblique runner communicates in the die cavity via the mouth of intaking.

Specifically, the movable mould still includes panel, movable mould board and runner cover, and the panel is connected in the movable mould board, and the panel is provided with the gate, and the movable mould core is installed in the one side that the movable mould board kept away from the panel, and the runner cover runs through in movable mould board and movable mould core setting, and the runner cover is provided with the sprue, and the sprue is used for intercommunication gate and first horizontal runner.

Specifically, the cover half still includes bottom plate, two mould feet, fixed die plate and ejection mechanism, and two mould feet are installed on the bottom plate respectively, and the fixed die plate is installed on two mould feet, and the cover half core is installed in the fixed die plate, and ejection mechanism activity sets up between fixed die plate and bottom plate.

Specifically, ejection mechanism includes push pedal, thimble board and a plurality of thimble, and the thimble board is installed in the push pedal, and the lower extreme of a plurality of thimbles is installed on the thimble board, and the upper end of a plurality of thimbles runs through in fixed die plate and fixed mold core.

Specifically, the fixed mold core is further provided with a plurality of first vertical flow passages, and the plurality of first vertical flow passages are respectively communicated with the plurality of first horizontal flow passages.

Specifically, the upper ends of the plurality of ejector pins are respectively accommodated in the plurality of first vertical flow channels and the plurality of second vertical flow channels and used for blocking the first vertical flow channels, the second vertical flow channels and ejecting products.

The utility model has the beneficial effects that: the utility model relates to a mould of a interlinked glue inlet, which comprises a movable mould and a fixed mould, wherein the movable mould and the fixed mould are matched with each other, the movable mould comprises a movable mould core, the fixed mould comprises a fixed mould core, a cavity, an insert and a first horizontal runner are arranged between the movable mould core and the fixed mould core, the fixed mould core is provided with a first inclined runner, the insert is provided with a second horizontal runner, a second vertical runner and a second inclined runner, and the first inclined runner and the second horizontal runner are both provided with glue inlets for communicating the cavity. In actual production, injection molding molten liquid flows into a plurality of first inclined flow channels from a plurality of first horizontal flow channels, wherein part of injection molding molten liquid of the first inclined flow channels flows into a cavity through a glue inlet, injection molding molten liquid of the other first inclined flow channels flows into a second vertical flow channel of an insert, then flows into a second horizontal flow channel, and injection molding molten liquid entering the second horizontal flow channel flows into second inclined flow channels connected with two ends of the second horizontal flow channel respectively, and finally enters the cavity through the glue inlet. This mould of mouth is glued to interlink advances, advances gluey mouthful through design tortuous runner and a plurality of mouth that advances, carries out the multi-place to the type chamber and advances gluey mouthful, sets up in the middle of the thin gluey position especially, can effectively avoid the thin gluey position of injection moulding's product to appear pressing from both sides the waterline in the middle of, prevents that the condition of stranded gas and fracture and glue uneven from appearing, guarantees the quality of product, does benefit to product sales and use.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic perspective view of a stationary mold core and an insert according to the present utility model;

fig. 4 is a schematic view of a partial structure of the fig. 2 a according to the present utility model.

The reference numerals include:

1-movable die 2-fixed die 3-ejection mechanism

11-moving mould core 12-panel 13-moving mould plate

14-sprue bush 121-sprue gate 141-main runner

21-fixed die core 22-insert 23-bottom plate

24-die feet 25-fixed die plate 211-die cavity

212-first horizontal runner 213-first inclined runner 214-glue inlet

215-first vertical flow channel 221-second horizontal flow channel 222-second vertical flow channel

223-second inclined flow passage 31-push plate 32-ejector plate

33-thimble 4-product.

Detailed Description

The present utility model will be further described with reference to examples and drawings, which are not intended to be limiting, for the understanding of those skilled in the art.

Referring to fig. 1 to 4, a mold with a continuous glue inlet of the present utility model includes a movable mold 1 and a fixed mold 2, wherein the movable mold 1 includes a movable mold core 11, the fixed mold 2 includes a fixed mold core 21, the movable mold core 11 and the fixed mold core 21 are provided with a cavity 211 and an insert 22, and the insert 22 is used for forming a mold core by matching the movable mold core 11 and the fixed mold core 21; a plurality of mutually communicated first horizontal flow passages 212 are arranged between the fixed mold core 21 and the movable mold core 11, the fixed mold core 21 is provided with a plurality of first inclined flow passages 213, the plurality of first horizontal flow passages 212 are respectively communicated with the plurality of first inclined flow passages 213, the plurality of first inclined flow passages 213 are respectively provided with a glue inlet 214, and the glue inlet 214 is communicated with the cavity 211; taking the product 4 with a crescent-shaped closed area as an example, in this embodiment, two cavities 211 can be formed by one mold at a time, the plurality of first horizontal runners 212 comprise first horizontal runners 212 at central positions for main connection, and first horizontal runners 212 for branching to two ends of the cavity 211, first inclined runners 213 communicated with the branched first horizontal runners 212 are provided with glue inlets 214 communicated with the cavity 211, and injection molding melt is injected from two ends of the cavity 211.

The surface of the insert 22, which is close to the movable mold core 11, is provided with a second horizontal flow channel 221, the insert 22 is also provided with a second vertical flow channel 222 and a second inclined flow channel 223, the upper end of the second vertical flow channel 222 is communicated with the second horizontal flow channel 221, the second vertical flow channel 222 is perpendicular to the second horizontal flow channel 221 and is positioned at the junction of the second horizontal flow channel 221 and the second inclined flow channel 223, the lower end of the second vertical flow channel 222 is communicated with a first inclined flow channel 213 connected with a first horizontal flow channel 212 at the central position, two ends of the second horizontal flow channel 221 are respectively communicated with the second inclined flow channel 223, one end of the second inclined flow channel 223 is communicated with the second horizontal flow channel 221, and the other end of the second inclined flow channel 223 is communicated with the cavity 211 through a glue inlet 214. The insert 22 is arranged in a crescent-shaped closed area in the cavity 211, namely the middle part of the cavity 211, and the end part of the cavity 211 is wider than the middle part, so that the end part of the product 4 is thicker than the middle part, namely the two sides of the insert 22 are thin glue positions of the product 4, the second inclined flow passages 223 communicated with the two ends of the second horizontal flow passage 221 are opposite to the thin glue positions of the product 4, and the glue inlet 214 is arranged at the position to inject injection molten liquid, so that the situations of uneven glue running, breakage, or clamping line, trapped air and the like caused by cooling and molding when the injection molten liquid flowing from the end part of the cavity 211 does not flow to the position to be cooled and molded can be avoided.

In actual production, the injection molding melt flows into the first inclined runners 213 from the first horizontal runners 212, wherein the injection molding melt in the first inclined runners 213 connected to the first horizontal runners 212 is flowed into the cavity 211 through the glue inlet 214, the injection molding melt in the first inclined runners 213 connected to the first horizontal runners 212 at the center is flowed into the second vertical runners 222 of the insert 22, then flows into the second horizontal runners 221, and the injection molding melt flowing into the second horizontal runners 221 is flowed into the second inclined runners 223 connected to the two ends thereof, and finally flows into the cavity 211 through the glue inlet 214. This mould of linking formula mouth of gluing advances through design tortuous runner and a plurality of mouth 214 of gluing, advances glues to the type chamber 211 many places, sets up in the middle of the thin position of gluing and advances mouthful 214 especially, can effectively avoid the thin position of gluing of injection moulding's product 4 to appear pressing from both sides the waterline in the middle, prevents to stranded gas and fracture, and walks the inhomogeneous condition of gluing and appear, guarantees the quality of product 4, does benefit to product 4 and sells and use.

Referring to fig. 1 to 2, the movable mold 1 further includes a panel 12, a movable mold plate 13, and a sprue bush 14, wherein the panel 12 is connected to the movable mold plate 13, the panel 12 is provided with a sprue 121, the movable mold core 11 is mounted on a surface of the movable mold plate 13 away from the panel 12, the sprue bush 14 is disposed through the movable mold plate 13 and the movable mold core 11, the sprue bush 14 is provided with a main runner 141, and the main runner 141 is used for communicating the sprue 121 with the first horizontal runner 212. The panel 12 is provided with a limiting ring for communicating with a limiting injection molding machine, and the main runner 141 is communicated with the first horizontal runner 212 at the central position. The injection molding melt flows from the main flow channel 141 into the first horizontal flow channel 212 at the center position and then into the branched first horizontal flow channel 212, so that the injection molding melt is injected into the end part of the cavity 211 through the glue inlet 214 of the first inclined flow channel 213 or enters the second vertical flow channel 222 of the insert 22 through the first inclined flow channel 213.

Referring to fig. 1 to 2, the fixed mold 2 further includes a bottom plate 23, two mold legs 24, a fixed mold plate 25 and an ejection mechanism 3, the two mold legs 24 are respectively mounted on the bottom plate 23, the fixed mold plate 25 is mounted on the two mold legs 24, the fixed mold core 21 is mounted on the fixed mold plate 25, and the ejection mechanism 3 is movably disposed between the fixed mold plate 25 and the bottom plate 23. The two mold legs 24 support the fixed mold plate 25, so that a movable space is formed between the fixed mold plate 25 and the bottom plate 23, and the ejection mechanism 3 can eject the product 4 movably to finish demolding.

Referring to fig. 1 to 2, the ejector mechanism 3 includes a push plate 31, an ejector plate 32 and a plurality of ejector pins 33, the ejector plate 32 is mounted on the push plate 31, the lower ends of the plurality of ejector pins 33 are mounted on the ejector plate 32, and the upper ends of the plurality of ejector pins 33 penetrate through the fixed mold plate 25 and the fixed mold core 21. A plurality of guide posts which are parallel to each other are connected between the bottom plate 23 and the fixed template 25, the push plate 31 and the ejector plate 32 penetrate through the guide posts and are guided by the guide posts to move up and down, the bottom plate 23 is provided with a through hole, the bottom of the push plate 31 is connected with a connecting piece, the connecting piece penetrates through the through hole and is used for connecting a driving device of equipment, and the driving device enables the push plate 31 to obtain power to push the ejector plate 32 and the ejector plate 33 to move upwards so as to eject a product 4. The ejector mechanism 3 further comprises a plurality of ejector pins, the lower ends of the ejector pins are mounted on the ejector plate 32, the upper ends of the ejector pins penetrate through the fixed die plate 25 and the fixed die core 21 and are used for ejecting the product 4, and the upper ends of the ejector pins are arranged in a non-circular shape in cooperation with the shapes of the cavity 211 and the product 4.

Referring to fig. 3 to 4, the fixed mold core 21 is further provided with a plurality of first vertical runners 215, the plurality of first vertical runners 215 are respectively communicated with the plurality of first horizontal runners 212, the first vertical runners 215 are perpendicular to the first horizontal runners 212, and the first vertical runners 215 are respectively disposed at the junction of the first horizontal runners 212 and the first inclined runners 213 or at the junction of the two first horizontal runners 212.

Referring to fig. 1, the upper ends of the plurality of ejector pins 33 are respectively accommodated in the plurality of first vertical flow channels 215 and the plurality of second vertical flow channels 222, and are used for blocking the first vertical flow channels 215, the second vertical flow channels 222 and ejecting the product 4. When the mold is closed, the plurality of ejector pins 33 block the first vertical runner 215 and the second vertical runner 222, so that injection molten liquid can flow in the horizontal runner and the inclined runner and enter the cavity 211; when the mold is opened, the plurality of ejector pins 33 are pushed to move upwards, and the excess material in the runner is ejected, so that the product 4 is driven to be ejected.

The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.

Claims

1. The die comprises a movable die (1) and a fixed die (2) which are matched with each other, wherein the movable die (1) comprises a movable die core (11), the fixed die (2) comprises a fixed die core (21), a cavity (211) and an insert (22) are arranged between the movable die core (11) and the fixed die core (21) in a matched mode, and the insert (22) is used for matching the movable die core (11) with the fixed die core (21) to form a die core; the method is characterized in that: a plurality of first horizontal runners (212) which are mutually communicated are arranged between the fixed mold core (21) and the movable mold core (11), the fixed mold core (21) is provided with a plurality of first inclined runners (213), the plurality of first horizontal runners (212) are respectively communicated with the plurality of first inclined runners (213), the plurality of first inclined runners (213) are respectively provided with a glue inlet (214), and the glue inlet (214) is communicated with the cavity (211); one side that inserts (22) are close to movable mould core (11) is provided with second horizontal runner (221), and inserts (22) still are provided with second vertical runner (222) and second inclined runner (223), and the upper end of second vertical runner (222) communicates in second horizontal runner (221), and the lower extreme of second vertical runner (222) communicates in first inclined runner (213), and the both ends of second horizontal runner (221) communicate respectively have second inclined runner (223), and the one end of second inclined runner (223) communicates in second horizontal runner (221), and the other end of second inclined runner (223) communicates in die cavity (211) through glue inlet (214).

2. The die of the interlinked glue inlet according to claim 1, wherein: the movable mould (1) further comprises a panel (12), a movable mould plate (13) and a sprue bush (14), wherein the panel (12) is connected to the movable mould plate (13), the panel (12) is provided with a sprue gate (121), the movable mould core (11) is arranged on one surface, far away from the panel (12), of the movable mould plate (13), the sprue bush (14) penetrates through the movable mould plate (13) and the movable mould core (11), the sprue bush (14) is provided with a main runner (141), and the main runner (141) is used for communicating the sprue gate (121) with a first horizontal runner (212).

3. The die of the interlinked glue inlet according to claim 2, wherein: the fixed die (2) further comprises a bottom plate (23), two die legs (24), a fixed die plate (25) and an ejection mechanism (3), wherein the two die legs (24) are respectively arranged on the bottom plate (23), the fixed die plate (25) is arranged on the two die legs (24), the fixed die core (21) is arranged on the fixed die plate (25), and the ejection mechanism (3) is movably arranged between the fixed die plate (25) and the bottom plate (23).

4. A mould for a continuous glue inlet according to claim 3, wherein: the ejection mechanism (3) comprises a push plate (31), an ejector plate (32) and a plurality of ejector pins (33), wherein the ejector plate (32) is arranged on the push plate (31), the lower ends of the ejector pins (33) are arranged on the ejector plate (32), and the upper ends of the ejector pins (33) penetrate through the fixed die plate (25) and the fixed die core (21).

5. The die of the interlinked glue inlet according to claim 4, wherein: the fixed mold core (21) is further provided with a plurality of first vertical flow passages (215), and the plurality of first vertical flow passages (215) are respectively communicated with the plurality of first horizontal flow passages (212).

6. The die of the interlinked glue inlet according to claim 5, wherein: the upper ends of the ejector pins (33) are respectively accommodated in the first vertical flow channels (215) and the second vertical flow channels (222) and used for blocking the first vertical flow channels (215) and the second vertical flow channels (222) and ejecting the product (4).