CN213972286U

CN213972286U - Pipeline elbow mould

Info

Publication number: CN213972286U
Application number: CN202022321082.3U
Authority: CN
Inventors: 叶善织; 卢文丁; 任新强
Original assignee: Guangdong Zaoyu Lixun Intelligent Technology Co ltd
Current assignee: Guangdong Zaoyu Lixun Intelligent Technology Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-08-17
Anticipated expiration: 2030-10-16

Abstract

The utility model provides a pipeline elbow mould, including last mould and lower mould, go up mould benevolence and lower mould benevolence on mould and the lower mould respectively, it is used for the elbow die cavity of shaping pipeline elbow to be formed with two rows between mould benevolence and the lower mould benevolence to go up, every row all includes two sets ofly, every group includes two elbow die cavities that set up side by side, be equipped with into gluey runner between two elbow die cavities with in the same group, the both sides that advance gluey runner all are equipped with the jiao kou that feeds through with elbow die cavity, it locates on the mould benevolence to advance gluey runner, and be equipped with the sprue on the last mould benevolence, be equipped with the thimble through-hole that supplies the thimble to upwards stretch out on the lower mould benevolence between two elbow die cavities with in the same group, thimble through-hole and advance gluey runner intercommunication during the compound die, the upper surface of thimble and advance to keep keeping apart from making the lower surface shaping of gluey runner material to go out the guide post when the shaping of pipeline elbow. The utility model discloses can simplify the mould structure, reduce manufacturing cost, reduce the volume, compact structure, space utilization is higher.

Description

Pipeline elbow mould

Technical Field

The utility model relates to the technical field of mold, concretely relates to pipeline elbow mould.

Background

The pipeline elbow is a pipeline connecting piece formed by injection molding of a mold, and the pipeline elbow mold comprises an upper mold and a lower mold, wherein a plurality of elbow cavities are arranged between the upper mold and the lower mold. A plurality of glue inlet runners are arranged in a traditional elbow die, each glue inlet runner corresponds to each elbow cavity one to one, and the structure causes the die to be complex in structure, high in processing and manufacturing cost, large in size and high in material cost.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the disappearance that prior art exists, provide a pipeline elbow mould, it can simplify the mould structure, reduces manufacturing cost, reduces the volume, reduces material cost.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a pipeline elbow mould, includes mould and lower mould, go up mould and lower mould on be equipped with mould benevolence and lower mould benevolence respectively, go up and be formed with at least a set of elbow die cavity that is used for the shaping pipeline elbow between mould benevolence and the lower mould benevolence, every group includes two elbow die cavities that set up side by side, is equipped with into gluey runner between two elbow die cavities in the same group, the both sides of advancing gluey runner all are equipped with the mouth of advancing with elbow die cavity intercommunication, upward be equipped with on the mould benevolence and advance the sprue of gluey runner intercommunication.

As a preferred scheme, the glue inlet flow passage is arranged on the upper die core.

As a preferred scheme, the upper die core is also provided with a sub-runner which is respectively communicated with the main runner and the glue inlet runner.

As a preferred scheme, the elbow cavities are provided with two rows, and each row comprises two groups of elbow cavities arranged side by side.

As a preferred scheme, the pipe elbow comprises a vertical part and a transverse part bent and extended from the upper end of the vertical part, the inner side of the vertical part is integrally connected with a nut, a positioning hole is formed in the transverse part, and a vertical positioning column corresponding to a threaded hole in the nut and a transverse positioning column corresponding to the positioning hole are respectively arranged on the lower die core.

As a preferred scheme, the upper end of the vertical positioning column is provided with a first positioning inclined plane, a positioning block is arranged on the first positioning inclined plane, one end of the transverse positioning column is provided with a second positioning inclined plane corresponding to the first positioning inclined plane, and the second positioning inclined plane is provided with a positioning groove corresponding to the first positioning block.

As a preferred scheme, an ejector pin through hole for an ejector pin to extend upwards is formed in the lower die core between the two elbow die cavities in the same group, and the ejector pin through hole is communicated with the glue inlet flow channel during die assembly.

As a preferable scheme, a space is kept between the upper surface of the ejector pin and the glue inlet runner during die assembly, so that a guide column extending downwards along the ejector pin through hole is formed on the lower surface of a nozzle material of the glue inlet runner during forming of the pipeline elbow.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, specifically speaking, through setting up each group including two elbow die cavities that set up side by side, set up into gluey runner between two elbow die cavities in the same group, the both sides of advancing gluey runner all set up the glue inlet that communicates with the elbow die cavity, thus can reduce half enter gluey runner under the condition that elbow die cavity quantity is the same, simplify the mould structure, reduce the manufacturing cost, reduce the volume, reduce material cost; by arranging two rows of elbow cavities, each row comprises two groups, and each group comprises two elbow cavities arranged side by side, the internal structure of the die is locally more compact, and the space interest rate is higher; the guide post extending downwards along the thimble through hole is formed on the lower surface of the sprue material of the rubber runner, and the product can be conveniently ejected out and separated from the lower die core by utilizing the guide effect of the guide post.

To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions achieved thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

drawings

FIG. 1 is a schematic view of a product forming structure according to an embodiment of the present invention;

FIG. 2 is an exploded view of an embodiment of the present invention;

fig. 3 is a schematic structural view of an upper mold core according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a lower mold according to an embodiment of the present invention;

fig. 5 is a partially enlarged schematic view of a portion a in fig. 4.

The attached drawings indicate the following:

10-upper mould; 11-lower die; 12-upper die core; 13-lower die core;

131-a thimble through hole; 14-elbow cavity; 15-a glue inlet flow channel; 151-glue inlet;

16-a main flow channel; 17-a shunt; 18-vertical positioning columns; 181-positioning block;

19-transverse positioning posts; 191-positioning grooves; 20-pipe bends; 21-a vertical portion;

22-a transverse portion; 221-positioning holes; 23-a nut; 231-a threaded hole;

24-a water gap material of a glue inlet runner; 241-guide post.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 invention can be understood as appropriate by those of ordinary skill in the art.

As shown in fig. 1-5, a pipe elbow mold comprises an upper mold 10 and a lower mold 11, wherein the upper mold 10 and the lower mold 11 are respectively provided with an upper mold core 12 and a lower mold core 13, two rows of elbow cavities 14 for forming a pipe elbow 20 are formed between the upper mold core 12 and the lower mold core 13, each row comprises two groups of elbow cavities 14 arranged side by side, each group comprises two elbow cavities 14 arranged side by side, a glue inlet flow passage 15 is arranged between the two elbow cavities 14 in the same group, both sides of the glue inlet flow passage 15 are respectively provided with a glue inlet 151 communicated with the elbow cavities 14, the glue inlet flow passage 15 is arranged on the upper mold core 12, the upper mold core 12 is further provided with a main flow passage 16 and a branch flow passage 17 respectively communicated with the main flow passage 16 and the glue inlet flow passage 15, the lower mold core 13 between the two elbow cavities 14 in the same group is provided with an ejector pin through hole 131 for the ejector pin to extend upwards, when the die is closed, the thimble through hole 131 is communicated with the glue inlet flow channel 15, and a space is kept between the upper surface of the thimble and the glue inlet flow channel 15, so that a guide post 241 extending downwards along the thimble through hole 131 is formed on the lower surface of a water gap material 24 of the glue inlet flow channel when the pipeline elbow 20 is formed.

The pipeline elbow 20 comprises a vertical part 21 and a transverse part 22 bent and extended from the upper end of the vertical part 21, a nut 23 is integrally connected to the inner side of the vertical part 21, a positioning hole 221 is formed in the transverse part 22, a vertical positioning column 18 corresponding to a threaded hole 231 in the nut 23 and a transverse positioning column 19 corresponding to the positioning hole 221 are respectively arranged on the lower die core 13, a first positioning inclined plane is arranged at the upper end of the vertical positioning column 18, a positioning block 181 is arranged on the first positioning inclined plane, a second positioning inclined plane corresponding to the first positioning inclined plane is arranged at one end of the transverse positioning column 19, and a positioning groove 191 corresponding to the first positioning block 181 is arranged on the second positioning inclined plane.

To sum up, the utility model has the advantages that each group comprises two elbow cavities arranged side by side, the glue inlet flow channel is arranged between the two elbow cavities in the same group, and the two sides of the glue inlet flow channel are both provided with the glue inlet communicated with the elbow cavities, so that the glue inlet flow channel can be reduced by half under the condition of the same quantity of the elbow cavities, the mould structure is simplified, the processing and manufacturing cost is reduced, the volume is reduced, and the material cost is reduced; by arranging two rows of elbow cavities, each row comprises two groups, and each group comprises two elbow cavities arranged side by side, the internal structure of the die is locally more compact, and the space interest rate is higher; the guide post extending downwards along the thimble through hole is formed on the lower surface of the sprue material of the rubber runner, and the product can be conveniently ejected out and separated from the lower die core by utilizing the guide effect of the guide post.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, so any modifications, equivalent replacements, improvements, etc. made to the above embodiments by the technology of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. A pipeline elbow mould is characterized by comprising an upper mould and a lower mould, wherein an upper mould core and a lower mould core are respectively arranged on the upper mould and the lower mould, at least one group of elbow cavities for molding the pipeline elbow is formed between the upper die core and the lower die core, each group comprises two elbow cavities arranged side by side, a glue inlet flow passage is arranged between the two elbow cavities in the same group, the two sides of the glue inlet flow channel are provided with glue inlets communicated with the elbow cavities, the upper mold core is provided with a main flow channel communicated with the glue inlet flow channel, the lower mold core between the two elbow cavities in the same group is provided with an ejector pin through hole for the ejector pin to extend upwards, the ejector pin through hole is communicated with the glue inlet flow channel when the mold is closed, and a space is kept between the upper surface of the ejector pin and the glue inlet flow channel, so that a guide column extending downwards along the through hole of the ejector pin is formed on the lower surface of a water gap material of the glue inlet flow channel during the forming of the pipeline elbow.

2. The pipe elbow die according to claim 1, wherein the glue inlet channel is disposed on the upper die core.

3. The pipe elbow mold according to claim 2, wherein the upper mold core is further provided with a sub-channel respectively communicating with the main channel and the glue inlet channel.

4. A pipe bend die according to claim 1, wherein there are two rows of bend cavities, each row comprising two sets of bend cavities arranged side-by-side.

5. The pipe elbow die according to claim 1, wherein the pipe elbow comprises a vertical portion and a horizontal portion bent and extended from an upper end of the vertical portion, a nut is integrally connected to an inner side of the vertical portion, a positioning hole is formed in the horizontal portion, and the lower die core is provided with a vertical positioning column corresponding to the threaded hole in the nut and a horizontal positioning column corresponding to the positioning hole.

6. The pipe elbow mold according to claim 5, wherein the vertical positioning posts have first positioning slopes at upper ends thereof, the first positioning slopes having positioning blocks thereon, the lateral positioning posts have second positioning slopes corresponding to the first positioning slopes at one ends thereof, and the second positioning slopes have positioning grooves corresponding to the first positioning blocks thereon.