CN219705933U - Side glue feeding type easy-to-assemble mold core structure - Google Patents
Side glue feeding type easy-to-assemble mold core structure Download PDFInfo
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- CN219705933U CN219705933U CN202320080517.0U CN202320080517U CN219705933U CN 219705933 U CN219705933 U CN 219705933U CN 202320080517 U CN202320080517 U CN 202320080517U CN 219705933 U CN219705933 U CN 219705933U
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- 239000003292 glue Substances 0.000 title claims abstract description 8
- 210000001503 joint Anatomy 0.000 claims abstract description 14
- 238000002347 injection Methods 0.000 abstract description 8
- 239000007924 injection Substances 0.000 abstract description 8
- 238000001746 injection moulding Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to the field of injection molds. The side glue feeding type mold core structure easy to assemble comprises a front mold core and a rear mold core which are arranged front and back, wherein the front mold core and the rear mold core enclose a cavity, the rear mold core comprises a main mold core, and the left side and the right side of the main mold core are respectively and slidably connected with an auxiliary mold core; the front mold core and the main mold core are spliced to form two L-shaped branch flow passages which are arranged in a central symmetry mode, the end parts of the L-shaped branch flow passages are in butt joint and communicated with an outward-expanding pouring gate, the pouring gate is arranged on the front side surface of the main mold core, and the width of the pouring gate in the up-down direction is gradually increased from the L-shaped branch flow passages to the cavity. The utility model is convenient to realize fine adjustment of the profile of the cavity by changing the auxiliary mold core through the combination of the main mold core and the auxiliary mold core, is suitable for processing multiple similar injection molding parts by adopting the same set of mold, and saves processing cost.
Description
Technical Field
The utility model relates to the field of injection molds, in particular to an injection mold core.
Background
The plastic mould industry provides various plastic products for the life of people so as to meet the personalized and high-quality life demands of the people.
Among plastic products, most plastic products are molded and prepared by injection molds, and the injection molds are widely popularized and applied in various industries due to the advantages of good quality, high efficiency, low cost and the like of the products molded by the injection molds.
However, after the traditional glue injection port penetrates through the rear mold core from front to back in an inclined manner, the traditional glue injection port is directly communicated with the mold cavity of the mold, so that the molten material causes excessive impact on a molded product, and an impression is easily left on the surface of the product, thereby influencing the attractiveness of the product.
In addition, the cavity structure of the existing mold cannot be changed, which is not beneficial to saving the cost during the molding and processing of series injection molding parts.
Disclosure of Invention
The present utility model has been made to solve the above-mentioned at least one technical problem, and provides a side-feeding type easy-to-assemble mold core structure.
The technical scheme of the utility model is as follows: the side glue feeding type mold core structure easy to assemble comprises a front mold core and a rear mold core which are arranged front and back, wherein the front mold core and the rear mold core enclose a cavity;
taking the left auxiliary mold core of the main mold core as a left mold core and the right auxiliary mold core of the main mold core as a right mold core;
the left side surface of the left mold core is a left sliding guide surface, and the left sliding guide surface is inclined to the right from back to front;
the right side surface of the right mold core is a right sliding guide surface which inclines leftwards from back to front;
the front mold core and the main mold core are spliced to form two L-shaped branch flow passages which are arranged in a central symmetry mode, the end parts of the L-shaped branch flow passages are in butt joint and conduction with an outward-expanding pouring gate, the pouring gate is arranged on the front side surface of the main mold core, the front side of the pouring gate is open near the side of a cavity, and the width of the pouring gate in the up-down direction is gradually increased from the position of the L-shaped branch flow passages to the position of the cavity.
According to the utility model, through optimizing the rear mold structure and combining the main mold core and the auxiliary mold core, the auxiliary mold core is convenient to replace, fine adjustment of the profile of the cavity is convenient to realize, the mold is suitable for processing multiple similar injection molding parts by adopting the same set of mold, and the processing cost is saved.
The front side surface of the main mold core is provided with the pouring gate, namely the pouring gate is arranged at the edge of one side of the cavity, and the pouring gate is outwards expanded, so that the impact of the pouring gate on a product is reduced, the impact force on the product is relieved, and meanwhile, the enlarging of the pouring gate can be realized, and the flow rate is increased.
Further preferably, the auxiliary mold core is provided with inclined holes which are obliquely arranged.
Further preferably, the left mold core is provided with an inclined hole which is inclined backwards from left to right;
and the right mold core is provided with an inclined hole which is inclined forwards from left to right.
Further preferably, the auxiliary mold core is provided with a heat exchange channel, and the length direction of the heat exchange channel is parallel to the length direction of the auxiliary mold core.
The heat exchange channel is convenient to heat and regulate the temperature of the product in the cavity.
Further preferably, the side wall of the auxiliary mold core adjacent to the central side is a side wall of the cavity.
The replacement of the side wall structure of the product is convenient to realize.
Further preferably, two butt joint parts are arranged in the center of the main die core, and the two butt joint parts are arranged in a central symmetry manner;
the butt joint part comprises a slope structure which is obliquely arranged from top to bottom, the center of the slope structure is provided with a conical concave structure with wide front and narrow rear, and the conical concave structure is arranged adjacent to the L-shaped branch flow passage;
the front mold core is provided with a convex structure matched with the conical concave structure.
The alignment of the front die and the rear die can be conveniently realized.
Further preferably, the slope structure is provided with an arc-shaped notch;
and the front die is provided with a protrusion embedded in the arc-shaped notch.
Further improving the contraposition of the front mould and the rear mould when being combined.
Further preferably, the L-shaped branch runner is opened on the slope structure, and the gate is located adjacent to the tapered concave structure.
The gate is arranged at the position, and the surface of the molded product is free from marks.
Drawings
FIG. 1 is a schematic view of the rear mold core according to embodiment 1 of the present utility model;
FIG. 2 is a schematic view of the rear mold core according to embodiment 1 of the present utility model from another view;
FIG. 3 is a schematic view showing the structure of a left mold core and a right mold core according to embodiment 1 of the present utility model;
FIG. 4 is a schematic view showing the structure of a main mold core according to embodiment 1 of the present utility model;
FIG. 5 is a schematic view showing a partial structure of a main mold core according to embodiment 1 of the present utility model;
fig. 6 is a schematic structural view of a front mold core according to embodiment 1 of the present utility model.
In the figure: 1 is a main mold core, 2 is a left mold core, 3 is a right mold core, 11 is a rear channel, 12 is a gate, 13 is a conical concave structure, 14 is a slope structure, 15 is an arc notch, 41 is a convex structure, and 42 is a protrusion.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Referring to fig. 1 to 6, in a specific embodiment 1, a side glue-feeding type easy-to-assemble mold core structure comprises a front mold core 1 and a rear mold core which are arranged front and back, wherein the front mold core 1 and the rear mold core enclose a cavity, the rear mold core comprises a main mold core 1, and the left side and the right side of the main mold core 1 are respectively and slidably connected with auxiliary mold cores; taking an auxiliary mold core on the left side of the main mold core 1 as a left mold core 2, and taking an auxiliary mold core on the right side of the main mold core 1 as a right mold core 3; the left side surface of the left mold core 2 is a left sliding guide surface which is inclined from back to front to right; the right side surface of the right mold core 3 is a right sliding guide surface which inclines leftwards from back to front; the split position of the front mold core and the main mold core 1 is enclosed into two L-shaped branch flow passages which are arranged in a central symmetry way, the end parts of the L-shaped branch flow passages are in butt joint and are communicated with an outward-expanding gate 12, the gate 12 is arranged on the front side surface of the main mold core 1, the front side of the gate 12 and the side opening adjacent to the cavity are opened, and the width of the gate in the up-down direction is gradually increased from the L-shaped branch flow passages to the cavity. According to the utility model, through optimizing the rear mold structure and combining the main mold core 1 and the auxiliary mold core, the auxiliary mold core is convenient to replace, fine adjustment of the profile of the cavity is convenient to realize, the mold is suitable for processing similar injection molding parts by adopting the same set of mold, and the processing cost is saved. The front side of the main mold core 1 is provided with the pouring gate, namely the pouring gate is arranged at the edge of one side of the cavity (the traditional pouring gate penetrates through the rear mold core in an inclined mode and then is directly communicated with the cavity, and at the moment, the front side of a product is butted, so that the appearance of the product is not guaranteed). And the pouring gate is arranged in an outward-expanding mode, so that impact of the pouring gate on products is reduced, impact force on the products is relieved, meanwhile, the pouring gate can be enlarged, and the flow rate is increased.
The width of the gate in the front-rear direction decreases from the L-shaped branch runner to the cavity.
The front mold core and the rear mold core enclose two cavities which are arranged left and right. The front mold core can be provided with a hot runner which is in butt joint and conduction with the front side of the cavity. The front side of the cavity is the back of the product.
The left side and the right side of the main mold core are provided with a first chute which is connected with the left mold core in a sliding way and a second chute which is connected with the right mold core in a sliding way.
The front side of the main mold core is provided with a rear channel 11, the rear side of the front mold core is provided with a front channel, the front channel and the rear channel enclose an L-shaped branch flow passage, and the L-shaped branch flow passage is in butt joint and communicated with the glue inlet flow passage.
And the auxiliary mold core is provided with inclined holes which are obliquely arranged. The left mold core is provided with an inclined hole which is inclined backwards from left to right; the right mold core is provided with an inclined hole which is inclined forwards from left to right. The guide post is convenient to insert, and the left mold core and the right mold core are withdrawn.
The side wall of the auxiliary mold core adjacent to the central side is the side wall of the mold cavity. The replacement of the side wall structure of the product is convenient to realize.
The center of the main mold core is provided with two butt joint parts which are arranged in a central symmetry way; the butt joint part comprises a slope structure 14 which is obliquely arranged from top to bottom, the center of the slope structure 14 is provided with a conical concave structure 13 with wide front and narrow rear, and the conical concave structure 13 is arranged adjacent to the L-shaped branch flow passage; the front mold core is provided with a convex structure 41 matched with the conical concave structure. The alignment of the front die and the rear die can be conveniently realized.
The left side and the right side of the center of the main mold core are respectively provided with a slope structure, the slope structure positioned on the left side is a left slope structure, and the slope structure positioned on the right side is a right slope structure. The rear side wall of the notch of the left slope structure is flush with the front side wall of the right slope structure. The rear side wall of the notch of the right slope structure is flush with the front side wall of the left slope structure.
The slope structure is provided with an arc notch 15; the front mould is provided with a protrusion 42 which is embedded in the arc-shaped notch 15. Further improving the contraposition of the front mould and the rear mould when being combined. The L-shaped branch runner is arranged on the slope structure, and the pouring gate is positioned adjacent to the conical concave structure. The gate is arranged at the position, and the surface of the molded product is free from marks.
In embodiment 2, on the basis of embodiment 1, a heat exchange channel is formed on the auxiliary mold core, and the length direction of the heat exchange channel is parallel to the length direction of the auxiliary mold core. The heat exchange channel is convenient to heat and regulate the temperature of the product in the cavity. The heat exchange channel is used for leading in hot water for heating.
In embodiment 3, on the basis of embodiment 1, waterway channels are formed in the main mold core and the front mold core. The hot water is conveniently introduced and heated. The waterway channel is obliquely arranged. The inclination of the water cooling channel positioned at the left side of the main mold core is matched with the inclination of the left slope structure. The inclination of the water cooling channel positioned on the right side of the main mold core is matched with the inclination of the right slope mechanism.
In the present utility model, it should be construed that "front", "rear", "upper", "lower", "left", "right", etc. are based on the orientation or positional relationship shown in the drawings, for convenience of description and simplification of the description, and are not to be construed as limiting the present utility model, but rather as indicating or suggesting that a specific orientation is necessary, construction and operation in a specific orientation.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (8)
1. The side glue feeding type mold core structure easy to assemble comprises a front mold core and a rear mold core which are arranged front and back, wherein the front mold core and the rear mold core enclose a cavity;
taking the left auxiliary mold core of the main mold core as a left mold core and the right auxiliary mold core of the main mold core as a right mold core;
the left side surface of the left mold core is a left sliding guide surface, and the left sliding guide surface is inclined to the right from back to front;
the right side surface of the right mold core is a right sliding guide surface which inclines leftwards from back to front;
the front mold core and the main mold core are spliced to form two L-shaped branch flow passages which are arranged in a central symmetry mode, the end parts of the L-shaped branch flow passages are in butt joint and conduction with an outward-expanding pouring gate, the pouring gate is arranged on the front side surface of the main mold core, the front side of the pouring gate is open near the side of a cavity, and the width of the pouring gate in the up-down direction is gradually increased from the position of the L-shaped branch flow passages to the position of the cavity.
2. The side-entry easy-to-assemble mold core structure of claim 1, wherein: and the auxiliary mold core is provided with inclined holes which are obliquely arranged.
3. The side-entry easy-to-assemble mold core structure of claim 1, wherein: the left mold core is provided with an inclined hole which is inclined backwards from left to right;
and the right mold core is provided with an inclined hole which is inclined forwards from left to right.
4. The side-entry easy-to-assemble mold core structure of claim 1, wherein: the auxiliary mold core is provided with a heat exchange channel, and the length direction of the heat exchange channel is parallel to the length direction of the auxiliary mold core.
5. The side-entry easy-to-assemble mold core structure of claim 1, wherein: the side wall of the auxiliary mold core adjacent to the central side is the side wall of the cavity.
6. The side-entry easy-to-assemble mold core structure of claim 1, wherein: two butt joint parts are arranged in the center of the main die core, and the two butt joint parts are arranged in a central symmetry manner;
the butt joint part comprises a slope structure which is obliquely arranged from top to bottom, the center of the slope structure is provided with a conical concave structure with wide front and narrow rear, and the conical concave structure is arranged adjacent to the L-shaped branch flow passage;
the front mold core is provided with a convex structure matched with the conical concave structure.
7. The side-entry easy-to-assemble mold core structure of claim 6, wherein: the slope structure is provided with an arc notch;
and the front die is provided with a protrusion embedded in the arc-shaped notch.
8. The side-entry easy-to-assemble mold core structure of claim 6, wherein: the L-shaped branch runner is arranged on the slope structure, and the pouring gate is positioned adjacent to the conical concave structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320080517.0U CN219705933U (en) | 2023-01-13 | 2023-01-13 | Side glue feeding type easy-to-assemble mold core structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320080517.0U CN219705933U (en) | 2023-01-13 | 2023-01-13 | Side glue feeding type easy-to-assemble mold core structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219705933U true CN219705933U (en) | 2023-09-19 |
Family
ID=87976509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320080517.0U Active CN219705933U (en) | 2023-01-13 | 2023-01-13 | Side glue feeding type easy-to-assemble mold core structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219705933U (en) |
-
2023
- 2023-01-13 CN CN202320080517.0U patent/CN219705933U/en active Active
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