CN216465934U

CN216465934U - Mould mouth of a river adjustment mechanism that dams

Info

Publication number: CN216465934U
Application number: CN202122741813.4U
Authority: CN
Inventors: 王科峰
Original assignee: Dongguan Chengde Plastic Hardware Mould Co ltd
Current assignee: Dongguan Chengde Plastic Hardware Mould Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-05-10
Anticipated expiration: 2031-11-10

Abstract

The utility model discloses a mold nozzle closure adjusting mechanism, which is arranged on a mold core provided with a mold cavity and a nozzle and comprises an outer chute intersected with the nozzle; the die core is provided with more than one positioning piece at the bottom of the outer sliding chute; the adjusting block is arranged in the outer chute in a sliding manner, more than one through groove and one inner chute are arranged on the adjusting block, and more than one adjusting piece is arranged in the inner chute in a matching manner: each through groove is matched with the cross section of a water gap, and each adjusting part can penetrate through the inner sliding groove and is matched with a positioning part. The utility model can adjust the size of the actual glue passing channel on the water gap, achieves the aim of adjusting the glue amount entering different mold cavities in the same time, enables products with different structures in each mold cavity to be synchronously molded, avoids the defects of over-tolerance of the size of a small-size glue piece, bubbles or concave points in the inside of a large-size glue piece and the like, and meets the production requirement of simultaneously molding different structure sizes by the same pair of molds under the same molding parameter.

Description

Mould mouth of a river adjustment mechanism that dams

Technical Field

The utility model relates to the technical field of injection molds, in particular to a mold nozzle closure adjusting mechanism.

Background

In production, when a mold cavity is abnormal and needs to be repaired or production adjustment is needed, a water port (a glue inlet flow channel) leading to the mold cavity is blocked by a flow-stopping mechanism, so that normal production of the mold is not influenced.

At present, a plurality of parts designed to be used in a matched mode are synchronously formed in the same pair of dies by some dies, the space of the dies can be fully utilized, the manufacturing cost of the dies is reduced, but the consistent glue feeding parameters in the forming process can not meet the glue feeding requirements of parts with different structural sizes in different die cavities at the same time, most of the existing intercepting mechanisms only have the intercepting function and do not have the function of adjusting glue solution, so that the product size of partial die cavities produced in the same die is out of tolerance, the produced plastic parts are bad, and the glue material is wasted.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a mold nozzle closure adjusting mechanism, which can adjust the size of an actual glue passing channel on a nozzle to achieve the purpose of adjusting the glue amount entering different mold cavities at the same time, so that products with different structures in each mold cavity can be synchronously molded, the defects of size over-tolerance of small-size glue pieces and bubbles or pits in large-size glue pieces are avoided, and the production requirement of simultaneously molding different structure sizes by the same pair of molds under the same molding parameter is met.

In order to solve the technical problems, the utility model adopts a technical scheme as follows:

a mould nozzle closure regulating mechanism is arranged on a mould core provided with a mould cavity and a nozzle and comprises an outer sliding chute intersected with the nozzle; the die core is provided with more than one positioning piece at the bottom of the outer sliding chute; the outer spout is slided and is installed the regulating block, be equipped with more than one logical groove and an inner chute on the regulating block, the internal chute is internal to match and is installed more than one regulating part: each through groove is matched with the cross section of one water gap, and each adjusting piece can penetrate through the inner sliding groove and is matched with one positioning piece so as to fix the adjusting block in the outer sliding groove.

As a further elaboration of the above technical solution:

in the above technical solution, the positioning element is one or two of a positioning hole slot or a guiding hole column.

In the above technical scheme, the inner chute is a through groove.

In the above technical scheme, the inner chute is a stepped through groove.

In the above technical solution, the adjusting member is a bolt and a nut or a lock screw.

In the above technical scheme, the mold core is provided with more than two mold cavities, each mold cavity is communicated with more than one water gap, and the plurality of water gaps are communicated with a main runner.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, by applying the outer chute, the adjusting block with the through groove and the inner chute, the positioning part and the adjusting part, the size of the actual glue passing channel on the water gap can be adjusted, the purpose of adjusting the glue amount entering different mold cavities at the same time is achieved, different structural products in each mold cavity can be synchronously molded, the defects of over-tolerance of the size of a small-size glue piece, bubbles or pits in a large-size glue piece and the like are avoided, and the production requirement that the same pair of molds can mold different structural sizes at the same time under the same molding parameter is met.

Drawings

FIG. 1 is a schematic perspective view of a first embodiment;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is a schematic structural diagram of an adjusting block in the first embodiment;

FIG. 4 is a schematic top view of an outer chute according to an embodiment;

FIG. 5 is a schematic top view of the second embodiment;

FIG. 6 is a schematic structural view of an adjusting block in the second embodiment;

fig. 7 is a schematic top view of the outer chute according to the second embodiment.

In the figure: 1. an outer chute; 2. a positioning member; 3. an adjusting block; 4. a through groove; 5. an inner chute; 6. an adjustment member; 10. a mold core; 20. a mold cavity; 30. a water gap; 40. a main flow passage.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

Example one

As shown in fig. 1-4, a mold gate closure adjusting mechanism, which is arranged on a mold core 10 provided with a mold cavity 20 and a gate 30, comprises an outer chute 1 intersecting with the gate 30; the die core 10 is provided with a positioning piece 2 at the bottom of the outer chute 1; the adjusting block 3 is arranged in the outer chute 1 in a sliding manner, the adjusting block 3 is provided with a through groove 4 and an inner chute 5, and the inner chute 5 is internally matched with the adjusting part 6: the through grooves 4 are all matched with the cross section of a water gap 30, and the adjusting pieces 6 can penetrate through the inner chute 5 and are matched with the positioning pieces 2, so that the adjusting blocks 3 are fixed in the outer chute 1.

In this embodiment, the outer chute 1 is perpendicular to the nozzle 30, and the processing of each component is convenient.

Furthermore, the positioning piece 2 is a positioning hole slot.

Further, the inner chute 5 is a through groove.

Further, the adjusting member 6 is a bolt, a nut or a lock screw.

Further, more than two mold cavities 20 are arranged on the mold core 10, each mold cavity 20 is communicated with more than one water gap 30, and the plurality of water gaps 30 are communicated with a main flow passage 40.

When the adjusting device is used, the adjusting block 3 is aligned with the outer chute 1 and is loaded, the through groove 4 is matched and aligned with the water gap 30, the adjusting piece 6 penetrates through the inner chute 5 and is matched with the positioning piece 2, the adjusting block 3 is locked in the outer chute 1, and the water gap 30 can be kept smooth. When the glue solution flow of a certain mold cavity 20 needs to be adjusted, the adjusting piece 6 is loosened, the adjusting block 3 is slid, the through groove 4 and the water gap 30 are staggered, the size of an actual glue passing channel can be adjusted, and finally the adjusting piece 6 is locked.

Example two

As shown in fig. 5-6, in this embodiment, on the basis of the first embodiment, for the special structure of the mold core 10, the arrangement of the mold cavity 20 and the arrangement of the mold gates 30, an adjusting mechanism is arranged on the two mold gates 30: comprises an outer chute 1 intersecting the nozzle 30; the die core 10 is provided with more than two positioning pieces 2 at the bottom of the outer sliding chute 1; the regulating block 3 has been installed to outer 1 interior slides of spout, is equipped with two logical grooves 4 and an inner chute 5 on the regulating block 3, and two regulating parts 6 have been installed to the interior matching of inner chute 5: each through slot 4 is matched with the section of a water gap 30, and each adjusting piece 6 can penetrate through the inner chute 5 and is matched with a positioning piece 2 so as to fix the adjusting block 3 in the outer chute 1.

Further, the positioning member 2 is one or two of a positioning hole groove or a guide hole column.

To avoid or reduce flash, in this embodiment, guide hole pillars are introduced as the positioning members 2. The guide hole column penetrates through the inner chute 5 from the bottom end, so that the position of the adjusting block 3 in the outer chute 1 can be further guided, the human factor deviation in the process of locking the adjusting part 6 is avoided or reduced, and the glue overflow at the intersection of the adjusting block 3 and the water gap 30 is avoided or reduced.

Further, the inner chute 5 is a stepped through groove.

In order to avoid interference between the adjusting member 6 and other parts on the mold, in the present embodiment, the inner sliding groove is provided with a step structure, and the pressing nut or the fixing head of the adjusting member 6 can be hidden inside the adjusting block 3.

Further, the adjusting member 6 is a bolt, a nut or a lock screw.

According to the utility model, by applying the outer chute 1, the adjusting block 3 with the through chute 4 and the inner chute 5, the positioning part 2 and the adjusting part 6, the size of the actual glue passing channel on the water gap 30 can be adjusted, so that the purpose of adjusting the glue amount entering different mold cavities 20 at the same time is achieved, different structural products in each mold cavity 20 can be synchronously molded, the defects of over-tolerance of the size of a small-size glue piece, bubbles or concave points in a large-size glue piece and the like are avoided, and the production requirements of simultaneously molding different structural sizes by the same pair of molds under the same molding parameters are met.

The technical scope of the present invention is not limited to the above embodiments, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.

Claims

1. A mould nozzle closure regulating mechanism is characterized in that the mould nozzle closure regulating mechanism is arranged on a mould core provided with a mould cavity and a nozzle and comprises an outer sliding chute crossed with the nozzle; the die core is provided with more than one positioning piece at the bottom of the outer sliding chute; the outer spout is slided and is installed the regulating block, be equipped with more than one logical groove and an inner chute on the regulating block, the internal chute is internal to match and is installed more than one regulating part: each through groove is matched with the cross section of one water gap, and each adjusting piece can penetrate through the inner sliding groove and is matched with one positioning piece so as to fix the adjusting block in the outer sliding groove.

2. A mould nozzle closure adjustment mechanism as claimed in claim 1, wherein the locating element is one or both of a locating hole groove or a guide hole post.

3. A mould nozzle shut-off adjustment mechanism as claimed in claim 1, wherein the inner runner is a through slot.

4. A mould nozzle closure adjustment mechanism as claimed in claim 1, wherein the inner slide is a stepped through slot.

5. A mould nozzle shut-off adjustment mechanism as claimed in claim 1, wherein the adjustment member is a bolt and nut or a lock screw.

6. A mould nozzle closure adjustment mechanism according to any of claims 1 to 5, wherein said mould core is provided with more than two mould cavities, each of said mould cavities being in communication with more than one said nozzle, and a plurality of said nozzles being in communication with a main runner.