CN111976097A - Mold for realizing low-pressure molding of high-pressure injection molding machine - Google Patents
Mold for realizing low-pressure molding of high-pressure injection molding machine Download PDFInfo
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- CN111976097A CN111976097A CN202010717523.3A CN202010717523A CN111976097A CN 111976097 A CN111976097 A CN 111976097A CN 202010717523 A CN202010717523 A CN 202010717523A CN 111976097 A CN111976097 A CN 111976097A
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- Prior art keywords
- pressure
- injection molding
- fixed
- plate
- mold
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
Abstract
The invention discloses a die for realizing low-pressure molding of a high-pressure injection molding machine, which comprises a die main body, wherein the die main body is formed by combining an upper fixed plate, a fixed die plate, a movable die plate, a hydraulic tank and a base, the movable mould plate is connected with the base through a telescopic hydraulic column of the hydraulic tank, the movable mould plate and the fixed mould plate are combined through sealing and form a product cavity inside, a cavity pressing block fixedly connected with the fixed mould plate into a whole is arranged in the product cavity, the mold for realizing low-pressure molding of the high-pressure injection molding machine adopts a mode of combining injection molding and compression molding, thereby realizing the purpose of high-pressure injection molding and low-pressure molding, realizing stable extrusion molding at the bottom by adopting a hydraulic device, and the material discharge channel and the material discharge opening are correspondingly arranged, so that internal excess materials and air can be extruded out during extrusion forming, the quality and the extrusion efficiency of products are guaranteed, and the whole die structure can be guaranteed to be more stable by adopting a bolt design.
Description
Technical Field
The invention relates to the technical field of mold manufacturing, in particular to a mold for realizing low-pressure molding of a high-pressure injection molding machine.
Background
The low-pressure molding process is a packaging process method for injecting a packaging material into a mold at a very low injection pressure (2-20bar) and quickly curing and molding (5-50 seconds) to achieve the effects of insulation, temperature resistance, shock resistance, vibration reduction, moisture protection, water protection, dust protection, chemical corrosion resistance and the like, the traditional injection molding process has defects due to overhigh pressure, and a melt can flow into a very small mold space only by very small pressure during low-pressure molding, so that fragile components needing to be packaged can not be damaged, the rejection rate is greatly reduced, and the low-pressure molding process can effectively play a role in sealing, moisture protection, water protection, dust protection and chemical corrosion resistance on the packaged components. In addition, the composite material can also have the performances of high and low temperature resistance, impact resistance, insulation, flame retardance and the like.
The utility model provides a high pressure injection molding machine realizes low pressure forming's mould, adopt the mode that combines together of moulding plastics and compression moulding to realize high pressure injection molding low pressure forming's purpose, the bottom adopts hydraulic means to realize stabilizing extrusion, and corresponds and be equipped with discharge passage and bin outlet and can extrude inside clout and air when extrusion, guarantees the quality and the extrusion efficiency of product, and inside adoption bolt design can guarantee that whole mould structure is more stable.
Disclosure of Invention
The invention aims to provide a die for realizing low-pressure molding of a high-pressure injection molding machine, so as to solve the problems in the background technology.
The purpose of the invention is realized by the following technical scheme: the utility model provides a high pressure injection molding machine realizes fashioned mould of low pressure, includes the mould main part, the mould main part is formed by upper fixed plate, fixed die plate, movable mould board, hydraulic pressure case and base combination, the movable mould board is connected with the base through the flexible hydraulic pressure post of hydraulic pressure case, through sealed combination and constitute the product die cavity in inside between movable mould board and the fixed die plate, be equipped with in the product die cavity with the fixed die plate fixed die cavity briquetting even as an organic whole, and the upper right end of product die cavity is equipped with the rising head that is used for moulding plastics, the rising head communicates with the material way of moulding plastics, and the upper left end correspondence of product die cavity is equipped with a row of material passageway, arrange the bin outlet intercommunication of.
In the invention, the middle part of the hydraulic box is provided with a telescopic hydraulic column connected with the movable template, the periphery of the hydraulic box is provided with a plurality of limiting rods which are uniformly distributed at intervals and vertically upwards, the bottom of the movable template is provided with limiting grooves which are in one-to-one correspondence with the limiting rods, and springs are arranged in the limiting grooves.
In the invention, the injection molding material channel is communicated with an injection molding port of an externally arranged high-pressure injection molding machine.
In the invention, the periphery of the product cavity is correspondingly provided with a cooling liquid channel, the cooling liquid channel penetrates through the upper fixed plate, the fixed die plate and the movable die plate, the cooling liquid channel is integrally U-shaped, the product cavity is wrapped in the U-shaped pipeline, and a liquid outlet and a liquid inlet of the cooling liquid pipe are respectively positioned at the top of the fixed plate.
In the invention, the upper fixed plate, the fixed template and the movable template are sequentially stacked and fixed, the four corners are respectively provided with an inertial guide post hole, and the fixation is realized by interference fit of inserting a guide post into the guide post hole.
In the invention, a plurality of integrally formed bolts are arranged on the movable template, the bolts are correspondingly inserted into the fixed template to fix the two templates, and the bolt grooves of the fixed template are correspondingly provided with buffer pressing blocks which are made of rubber.
Compared with the prior art, the mold for realizing low-pressure molding of the high-pressure injection molding machine has the advantages that the mode of combining injection molding and compression molding is adopted, so that the purpose of high-pressure injection molding and low-pressure molding is realized, the bottom of the mold is stably extruded by adopting a hydraulic device, the mold is correspondingly provided with the discharge channel and the discharge hole, internal excess materials and air can be extruded during extrusion molding, the quality and the extrusion efficiency of products are ensured, and the structure of the whole mold can be more stable by adopting a bolt design in the mold.
Drawings
FIG. 1 is an overall structure diagram of a mold for realizing low-pressure molding by a high-pressure injection molding machine according to the invention;
FIG. 2 is a structural diagram of an upper layer of base cloth of a mold for realizing low-pressure molding by a high-pressure injection molding machine according to the invention;
in the figure: 1. the device comprises an upper fixing plate, 2, an injection molding material channel, 3, a fixed die plate, 4, a die cavity pressing block, 5, a discharging opening, 6, a discharging channel, 7, a buffering pressing block, 8, a bolt, 9, a limiting groove, 10, a limiting rod, 11, a base, 12, a hydraulic box, 13, a telescopic hydraulic column, 14, a spring, 15, a movable die plate, 16, a product die cavity, 17, a riser, 18, a cooling liquid channel, 19, a guide column hole, 20 and a guide column.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
As shown in fig. 1-2, the invention discloses a mold for realizing low-pressure molding of a high-pressure injection molding machine, which comprises a mold main body, wherein the mold main body is formed by combining an upper fixed plate 1, a fixed mold plate 3, a movable mold plate 15, a hydraulic tank 12 and a base 11, the movable mold plate 15 is connected with the base 11 through a telescopic hydraulic column 13 of the hydraulic tank 12, the movable mold plate 15 and the fixed mold plate 3 are combined in a sealing manner and form a product cavity 16 inside, a cavity pressing block 4 fixedly connected with the fixed mold plate 3 is arranged in the product cavity 16, a riser 17 for injection molding is arranged at the right upper end of the product cavity 16, the riser 17 is communicated with an injection molding material channel 2, a discharging channel 6 is correspondingly arranged at the left upper end of the product cavity 16, and the discharging channel 6 is communicated with an external discharging port 5.
In the invention, the middle part of the hydraulic tank 12 is provided with a telescopic hydraulic column 13 connected with a movable template 15, the periphery of the hydraulic tank 12 is provided with a plurality of vertically upward limiting rods 10 which are uniformly distributed at intervals, the bottom of the movable template 15 is provided with limiting grooves 9 which are in one-to-one correspondence with the limiting rods 10, and springs 14 are arranged in the limiting grooves 9.
In the invention, the injection molding material channel 2 is communicated with an injection molding opening of an externally arranged high-pressure injection molding machine.
In the invention, the periphery of the product cavity 16 is correspondingly provided with a cooling liquid channel 18, the cooling liquid channel 18 penetrates through the upper fixed plate 1, the fixed template 3 and the movable template 15 and is integrally U-shaped, the product cavity 16 is wrapped in the U-shaped pipeline, and a liquid outlet and a liquid inlet of the cooling liquid channel 18 are respectively positioned at the top of the fixed plate 1.
In the invention, the upper fixed plate 1, the fixed template 3 and the movable template 15 are sequentially stacked and fixed, the four corners are respectively provided with an inserted guide post hole 19, and the fixation is realized by interference fit of inserting a guide post 20 into the guide post hole 19.
According to the invention, a plurality of integrally formed bolts 8 are arranged on the movable template 15, the bolts 8 are correspondingly inserted into the fixed template 3 to fix the two templates, and the bolt grooves of the fixed template 3 are correspondingly provided with the buffer pressing blocks 7, wherein the buffer pressing blocks 7 are rubber blocks.
According to the mold for realizing low-pressure molding of the high-pressure injection molding machine, a mode of combining injection molding and compression molding is adopted, so that the purpose of high-pressure injection molding and low-pressure molding is realized, the bottom of the mold is stably extruded by adopting a hydraulic device, the mold is correspondingly provided with a discharge channel and a discharge hole, internal excess materials and air can be extruded during extrusion molding, the quality and the extrusion efficiency of products are ensured, and the structure of the whole mold can be more stable by adopting a bolt design in the mold.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a high pressure injection molding machine realizes fashioned mould of low pressure, includes the mould main part, its characterized in that: the mould main part is formed by upper fixed plate (1), fixed die plate (3), movable mould board (15), hydraulic pressure case (12) and base (11) combination, movable mould board (15) are connected with base (11) through flexible hydraulic pressure post (13) of hydraulic pressure case (12), through sealed combination and constitute product die cavity (16) in inside between movable mould board (15) and fixed die plate (3), be equipped with in product die cavity (16) and fix die cavity briquetting (4) as an organic whole even with fixed die plate (3), and the upper right end of product die cavity (16) is equipped with rising head (17) that are used for moulding plastics, rising head (17) and the material way (2) intercommunication of moulding plastics, the upper left end correspondence of product die cavity (16) is equipped with one row of material passageway (6), row of material mouth (5) intercommunication of material passageway (6) and peripheral hardware is arranged.
2. The mold for realizing low-pressure molding of the high-pressure injection molding machine according to claim 1, characterized in that: the middle part of hydraulic pressure case (12) is equipped with flexible hydraulic column (13) of being connected with movable mould board (15), and hydraulic pressure case (12) periphery is equipped with a plurality of even interval distribution and vertical ascending gag lever post (10), the bottom of movable mould board (15) be equipped with gag lever post (10) one-to-one's spacing groove (9), be equipped with spring (14) in gag lever post (9).
3. The mold for realizing low-pressure molding of the high-pressure injection molding machine according to claim 1, characterized in that: the injection molding material channel (2) is communicated with an injection molding port of an externally arranged high-pressure injection molding machine.
4. The mold for realizing low-pressure molding of the high-pressure injection molding machine according to claim 1, characterized in that: the periphery of product die cavity (16) corresponds and is equipped with cooling liquid way (18), cooling liquid way (18) run through upper fixed plate (1), fixed die plate (3) and movable mould board (15), and wholly are the U style of calligraphy to wrap up product die cavity (16) inside the U-shaped pipeline, the liquid outlet and the inlet of cooling liquid pipe (18) are located the top of fixed plate (1) respectively.
5. The mold for realizing low-pressure molding of the high-pressure injection molding machine according to claim 1, characterized in that: the upper fixing plate (1), the fixed template (3) and the movable template (15) are sequentially stacked and fixed, guide pillar holes (19) which are used out are formed in four corners of the upper fixing plate, and the upper fixing plate, the fixed template and the movable template are fixed through interference fit of guide pillars (20) inserted into the guide pillar holes (19).
6. The mold for realizing low-pressure molding of the high-pressure injection molding machine according to claim 1, characterized in that: be equipped with a plurality of integrated into one piece's bolt (8) on movable mould board (15), correspond through bolt (8) and insert fixed die plate (3) in realize two fixed of template, and the bolt inslot correspondence of fixed die plate (3) is equipped with buffering briquetting (7), buffering briquetting (7) are the rubber block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010717523.3A CN111976097A (en) | 2020-07-23 | 2020-07-23 | Mold for realizing low-pressure molding of high-pressure injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010717523.3A CN111976097A (en) | 2020-07-23 | 2020-07-23 | Mold for realizing low-pressure molding of high-pressure injection molding machine |
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| Publication Number | Publication Date |
|---|---|
| CN111976097A true CN111976097A (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010717523.3A Pending CN111976097A (en) | 2020-07-23 | 2020-07-23 | Mold for realizing low-pressure molding of high-pressure injection molding machine |
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| CN (1) | CN111976097A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112743764A (en) * | 2020-12-16 | 2021-05-04 | 射阳金昌鑫精密模具科技有限公司 | Mold and method for realizing low-pressure injection molding of high-pressure injection molding machine |
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| CN101417498A (en) * | 2008-10-27 | 2009-04-29 | 朱兴源 | Low-cost manufacture method of high-quality diaphragm and filter plate |
| JP2012071595A (en) * | 2010-08-31 | 2012-04-12 | Toray Ind Inc | Method of manufacturing composite molded object |
| CN109177056A (en) * | 2018-07-31 | 2019-01-11 | 上海众力汽车部件有限公司 | A kind of rubber mold of bushing non-trimming structure |
| CN110561702A (en) * | 2018-06-05 | 2019-12-13 | 深圳市裕展精密科技有限公司 | Injection mould |
| CN110884059A (en) * | 2019-12-13 | 2020-03-17 | 深圳亿和模具制造有限公司 | Mold and method for realizing low-pressure injection molding of high-pressure injection molding machine |
| CN111002534A (en) * | 2019-12-16 | 2020-04-14 | 嘉兴信元精密模具科技有限公司 | Thermal expansion low-pressure injection molding system for thin-wall product |
| US10703029B2 (en) * | 2014-10-31 | 2020-07-07 | Maxell, Ltd. | Process and device for producing foamed molded object |
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2020
- 2020-07-23 CN CN202010717523.3A patent/CN111976097A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101417498A (en) * | 2008-10-27 | 2009-04-29 | 朱兴源 | Low-cost manufacture method of high-quality diaphragm and filter plate |
| JP2012071595A (en) * | 2010-08-31 | 2012-04-12 | Toray Ind Inc | Method of manufacturing composite molded object |
| US10703029B2 (en) * | 2014-10-31 | 2020-07-07 | Maxell, Ltd. | Process and device for producing foamed molded object |
| CN110561702A (en) * | 2018-06-05 | 2019-12-13 | 深圳市裕展精密科技有限公司 | Injection mould |
| CN109177056A (en) * | 2018-07-31 | 2019-01-11 | 上海众力汽车部件有限公司 | A kind of rubber mold of bushing non-trimming structure |
| CN110884059A (en) * | 2019-12-13 | 2020-03-17 | 深圳亿和模具制造有限公司 | Mold and method for realizing low-pressure injection molding of high-pressure injection molding machine |
| CN111002534A (en) * | 2019-12-16 | 2020-04-14 | 嘉兴信元精密模具科技有限公司 | Thermal expansion low-pressure injection molding system for thin-wall product |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112743764A (en) * | 2020-12-16 | 2021-05-04 | 射阳金昌鑫精密模具科技有限公司 | Mold and method for realizing low-pressure injection molding of high-pressure injection molding machine |
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Application publication date: 20201124 |
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