CN213797787U - Injection mold capable of being adaptive to processing of products with various specifications - Google Patents
Injection mold capable of being adaptive to processing of products with various specifications Download PDFInfo
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- CN213797787U CN213797787U CN202021851517.9U CN202021851517U CN213797787U CN 213797787 U CN213797787 U CN 213797787U CN 202021851517 U CN202021851517 U CN 202021851517U CN 213797787 U CN213797787 U CN 213797787U
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Abstract
The utility model discloses an injection mold of multiple specification product processing of adaptation, mould and shaping lower mould in the shaping, be planar die cavity about being provided with on the contact surface of mould and shaping lower mould in the shaping, be provided with the baffle in the die cavity, this baffle separates special product shaping chamber or separates into a plurality of product cavities with whole die cavity from the die cavity. The utility model relates to an injection mold, the cavity is provided with a baffle plate, the baffle plate separates a special product forming cavity from the cavity or separates the whole cavity into a plurality of product cavities, thereby the injection mold is adaptive to the product processing of various specifications, the utilization rate of the mold can be effectively improved, the manufacturing cost of the mold is reduced, and the injection mold has good economic benefit; simultaneously, be provided with exhaust structure on the above injection mold, its injection efficiency that can effectively promote the raw materials promotes the shaping quality of product.
Description
Technical Field
The utility model relates to an injection mold specifically is an injection mold of multiple specification product processing of adaptation.
Background
In some injection-molded products, there are some products with two planar surfaces, such as raw material mattresses, cushions, etc., which have the same structure and thickness, and the difference is only in their shapes and sizes.
In addition, current injection mold generally comprises last mould and lower mould combination, adds man-hour, pours into the raw materials into the die cavity through the runner and carries out the forming process, and at this in-process, the leakproofness behind the upper and lower mould compound die is fine, and this pressure in the die cavity can be great when leading to the raw materials to pour into, and too big pressure not only can influence the injection velocity of raw materials, and the foremost can lead to the whole die cavity of unable even filling of raw materials, causes the product shaping incomplete, has seriously influenced the shaping efficiency and the processingquality of product.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model discloses an injection mold which can be adapted to the processing of products with various specifications, the injection mold is provided with a clapboard in a cavity, the clapboard separates a special product forming cavity from the cavity or separates the whole cavity into a plurality of product cavities, thereby the injection mold is adapted to the processing of products with various specifications, the utilization rate of the mold can be effectively improved, the manufacturing cost of the mold is reduced, and the injection mold has good economic benefit; simultaneously, be provided with exhaust structure on the above injection mold, its injection efficiency that can effectively promote the raw materials promotes the shaping quality of product.
The utility model provides an injection mold of multiple specification product processing of adaptation, includes mould and shaping lower mould in the shaping, is planar die cavity, its characterized in that about being provided with on the contact surface of mould and shaping lower mould in the shaping: the die cavity is provided with a partition board which separates a special product forming cavity from the die cavity or separates the whole die cavity into a plurality of product cavities.
More specifically, the upper molding die or the lower molding die is provided with an injection molding gate communicated with the product molding cavity and the product cavity.
More specifically, a middle molding die is arranged between the upper molding die and the lower molding die, the middle molding die has a hollow inner cavity, the hollow inner cavity is combined with the bottom surface of the upper molding die and the top surface of the lower molding die to form the cavity, and the cavity is internally provided with the partition plate; exhaust gaps are arranged on the contact surfaces of the forming middle die, the partition plate and the forming upper die or/and exhaust gaps are arranged on the contact surfaces of the forming middle die, the partition plate and the forming lower die; the width of the exhaust gap is in the range of 20-50 microns.
More specifically, the lower molding die is provided with a plurality of micro-exhaust holes communicated with the outside and the cavity, and the pore size of the micro-exhaust holes is 20-50 microns.
More specifically, a mounting groove communicated with the cavity is formed in the lower forming die, an insert is arranged in the mounting groove, a connecting outer edge is arranged at the bottom of the insert, and the connecting outer edge is positioned at the bottom of the lower forming die through a bolt; an air outlet gap is reserved between the insert and the groove wall of the mounting groove, and the width of the air outlet gap is 20-50 microns.
More specifically, an injection gate is arranged on the side wall of the middle mold, and a product forming cavity separated by the partition plate is communicated with the injection gate.
The utility model is specially designed for products with the same plane, structure and thickness on two sides but different shapes and length and width dimensions, and can separate a special product forming cavity from the cavity through a clapboard arranged in the cavity of a large injection mold so as to meet the processing requirements of small-size products or products with special shapes; or the whole large-scale cavity is divided into a plurality of small cavities for molding a plurality of small-sized products at one time.
The arrangement of the middle partition plate of the cavity enables one set of large-scale injection mold to achieve multiple purposes, the manufacturing cost of the mold can be effectively reduced, the utilization rate of the mold can be effectively improved, and the mold has good economic benefits.
In addition, for can promote injection mold's shaping efficiency and product shaping quality, the utility model discloses be provided with mould in the shaping between mould and shaping lower mould in the shaping, be equipped with the exhaust gap that the width can not lead to the raw materials to spill over on the contact surface of mould in the shaping on mould, baffle and the shaping or on the contact surface of mould, baffle and shaping lower mould in the shaping.
When injection moulding, along with the injection of raw materials, this exhaust gap of air accessible in the die cavity is discharged external to can eliminate the pressure in the die cavity completely, avoid causing the hindrance to the injection of raw materials, make the quick even whole die cavity of filling up of raw materials, its injection efficiency that can not only effectively promote the raw materials, and can guarantee the homogeneity of each part raw materials in the die cavity, guarantee that the product shaping is complete, can effectively promote the shaping quality of product. For further promoting the exhaust effect, set up little exhaust hole and insert in the shaping lower mould, when moulding plastics, the gap of giving vent to anger of usable little exhaust hole and insert accelerates the exhaust, and then further promotes the shaping speed and the shaping quality of product.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a top view of the arrangement of the partition boards in the cavity of the present invention;
FIG. 3 is a top view of the partition board of the present invention in the shape of love;
FIG. 4 is a top view of the arrangement of the partition board in the cavity when the partition board is in a straight shape;
FIG. 5 is a top view of the cross-shaped partition board of the present invention disposed in the cavity;
FIG. 6 is a top view of the arrangement of the baffle plate in the cavity when the baffle plate is shaped like Chinese character feng;
FIG. 7 is a cross sectional view of the lower molding die of the present invention with an injection gate;
fig. 8 is a cross-sectional view of the mold in the setting molding of the present invention;
FIG. 9 is a cross-sectional view of the lower forming die of the present invention with micro-pores and inserts;
FIG. 10 is a sectional view of the middle mold of the present invention with an injection gate;
fig. 11 is a plan view of the arrangement of the partition board when the injection gate is arranged on the middle mold in the molding process of the present invention.
Detailed Description
As shown in fig. 1 and 2, an injection mold capable of adapting to processing of products with various specifications comprises an upper mold 1 and a lower mold 2, wherein a cavity 3 which is planar up and down is arranged on a contact surface of the upper mold 1 and the lower mold 2, a partition plate 4 is arranged in the cavity 3, and the partition plate 4 separates a special product forming cavity 3a from the cavity or separates the whole cavity into a plurality of product cavities 3 b.
In this illustration, the partition plate 4 is shown as a square having a size smaller than that of the cavity 3, and it can partition a square product-forming cavity 3a having a smaller length and width from the original cavity 3.
As shown in fig. 3, the partition plate 3 is heart-like, and can separate a heart-like shaped product forming cavity 3a from the original cavity. In practice, the baffle 3 with the corresponding shape can be adopted as required to meet the processing requirement of the product with the corresponding special-shaped shape.
As shown in fig. 4-6, the partition plates 3 are in the shape of a straight line, a cross and a Chinese character feng, which can divide the original whole cavity 3 into two, four and eight small product chambers 3b in equal proportion, and can realize one-time processing and multi-processing of small products with the same specification.
In consideration of actual processing requirements, the upper mold 1 or the lower mold 2 is provided with an injection gate 5 communicating with the product molding cavity 3a and the product cavity 3b, as shown in fig. 1, which is a schematic structural view of the injection gate 5 arranged on the upper mold 1; as shown in fig. 7, the structure of the injection gate 5 is schematically shown in the lower mold 2. In practice, the injection gates 5 are arranged at corresponding positions according to the actual requirements of the product.
In conclusion, the utility model is specially designed for products with two surfaces of the same plane, structure and thickness but different shapes and length and width dimensions, and the special product forming cavity 3a can be separated from the cavity 3 through the partition plate 4 arranged in the cavity 3 of the large injection mold so as to meet the processing requirements of small-size products or special-shaped products; or the whole large-scale cavity 3 is divided into a plurality of small product cavities 3b for molding a plurality of small-sized products at one time.
The arrangement of the middle partition plate 4 of the cavity 3 enables one large-scale injection mold to be multipurpose, the manufacturing cost of the mold can be effectively reduced, the utilization rate of the mold can be effectively improved, and the high-efficiency injection mold has good economic benefits.
As shown in fig. 8, a middle molding die 6 is disposed between the upper molding die 1 and the lower molding die 2, an inner cavity of the middle molding die 6 is hollow, the hollow inner cavity combines the bottom surface of the upper molding die 1 and the top surface of the lower molding die 2 to form the cavity 3, and the partition plate 4 is disposed in the cavity 3.
And exhaust gaps 7 are arranged on the contact surfaces of the middle molding die 6, the partition plate 4 and the upper molding die 1, or exhaust gaps 7 are arranged on the contact surfaces of the middle molding die 6, the partition plate 4 and the lower molding die 2, or exhaust gaps 7 are arranged on the two contact surfaces simultaneously. The utility model discloses the figure shows and just all explains the structure that all is equipped with exhaust gap 7 on two contact surfaces, and other unilateral setting exhaust gap 7's structural principle is the same with the effect, does not do the duplicate explanation here.
The width range of the exhaust gap 7 is 20-50 microns, and the width of the exhaust gap 7 can ensure that gas in the cavity 3 can be smoothly exhausted and simultaneously prevent raw materials from overflowing from the gap.
The utility model discloses an exhaust gap 7 structure, when injection moulding, along with the injection of raw materials, air accessible exhaust gap 7 in the die cavity 3 constantly discharges to eliminate the pressure increase phenomenon that leads to because of the space diminishes in the die cavity 3 from this, avoid pressure too big to cause the hindrance to the injection of raw materials, make the whole die cavity 3 of filling up that the raw materials can be quick even, its injection efficiency that can not only effectively promote the raw materials, and can guarantee that the shaping of product is complete, have the characteristics that simple structure is practical.
Here, as shown in fig. 9, in order to further improve the exhaust effect, a plurality of micro exhaust holes 21 communicating the outside with the cavity 3 are formed in the lower molding die 2, and the pore size of the micro exhaust holes 21 is 20 to 50 micrometers.
In addition, a mounting groove 22 communicated with the cavity 3 is arranged in the lower molding die 2, an insert 23 is arranged in the mounting groove 22, a connecting outer edge 231 is arranged at the bottom of the insert 23, and the connecting outer edge 231 is positioned at the bottom of the lower molding die 2 through a bolt 232; an air outlet gap 24 is reserved between the insert 23 and the groove wall of the mounting groove 22, and the width of the air outlet gap 24 is also set to be 20-50 microns.
The arrangement of the micro exhaust holes 21 and the air outlet gaps 24 can further accelerate the exhaust performance of the cavity 3 and further improve the forming speed and the forming quality of injection products.
Here, the arrangement of the middle mold 6 in the above molding is to provide the injection gate 5 thereon in the actual processing, and at this time, the arrangement of the partition plate 4 in the cavity 3 is correspondingly limited, and the product forming cavity 3a partitioned by the partition plate 4 from the cavity 3 must be communicated with the injection gate 5, and the structure thereof is as shown in fig. 9 and 10, and the whole partition plate 4 is arranged in a U-like structure.
The utility model discloses injection mold's injection mold runner 5 is not restricted to the single pore structure of above picture presentation, in order to satisfy the needs of quick feeding in the reality, can set to porous or the single pore crotch shape structure of advancing porous play.
The above, it is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical principles of the present invention to any simple modification, equivalent change or decoration of the above embodiments, still belong to the technical solution of the present invention.
Claims (6)
1. The utility model provides an injection mold of multiple specification product processing of adaptation, includes mould and shaping lower mould in the shaping, is planar die cavity, its characterized in that about being provided with on the contact surface of mould and shaping lower mould in the shaping: the die cavity is provided with a partition board which separates a special product forming cavity from the die cavity or separates the whole die cavity into a plurality of product cavities.
2. An injection mold according to claim 1, adapted for processing products of various specifications, wherein: and an injection molding sprue communicated with the product molding cavity and the product cavity is arranged on the upper molding die or the lower molding die.
3. An injection mold according to claim 1 or 2, adapted for processing products of various specifications, wherein: a middle forming die is arranged between the upper forming die and the lower forming die, the inner cavity of the middle forming die is hollow, the hollow inner cavity is combined with the bottom surface of the upper forming die and the top surface of the lower forming die to form the cavity, and the partition plate is arranged in the cavity; exhaust gaps are arranged on the contact surfaces of the forming middle die, the partition plate and the forming upper die or/and exhaust gaps are arranged on the contact surfaces of the forming middle die, the partition plate and the forming lower die; the width of the exhaust gap is in the range of 20-50 microns.
4. An injection mold according to claim 3, wherein the injection mold is adaptable to processing of products with various specifications, and comprises: the lower forming die is provided with a plurality of micro-exhaust holes communicated with the outside and the cavity, and the pore size of the micro-exhaust holes is 20-50 microns.
5. An injection mold according to claim 3, wherein the injection mold is adaptable to processing of products with various specifications, and comprises: the lower forming die is provided with a mounting groove communicated with the die cavity, an insert is arranged in the mounting groove, the bottom of the insert is provided with a connecting outer edge, and the connecting outer edge is positioned at the bottom of the lower forming die through a bolt; an air outlet gap is reserved between the insert and the groove wall of the mounting groove, and the width of the air outlet gap is 20-50 microns.
6. An injection mold according to claim 3, wherein the injection mold is adaptable to processing of products with various specifications, and comprises: and an injection molding sprue is arranged on the side wall of the middle molding die, and a product molding cavity separated by the partition plate is communicated with the injection molding sprue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021851517.9U CN213797787U (en) | 2020-08-30 | 2020-08-30 | Injection mold capable of being adaptive to processing of products with various specifications |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021851517.9U CN213797787U (en) | 2020-08-30 | 2020-08-30 | Injection mold capable of being adaptive to processing of products with various specifications |
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| CN213797787U true CN213797787U (en) | 2021-07-27 |
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| CN202021851517.9U Active CN213797787U (en) | 2020-08-30 | 2020-08-30 | Injection mold capable of being adaptive to processing of products with various specifications |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113526850A (en) * | 2021-08-20 | 2021-10-22 | 江苏亨通智能科技有限公司 | Graphite mold for quartz glass homogenization |
-
2020
- 2020-08-30 CN CN202021851517.9U patent/CN213797787U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113526850A (en) * | 2021-08-20 | 2021-10-22 | 江苏亨通智能科技有限公司 | Graphite mold for quartz glass homogenization |
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