CN109878041B - Laminating plays piece and prevents top white cask injection mold - Google Patents
Laminating plays piece and prevents top white cask injection mold Download PDFInfo
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- CN109878041B CN109878041B CN201910275808.3A CN201910275808A CN109878041B CN 109878041 B CN109878041 B CN 109878041B CN 201910275808 A CN201910275808 A CN 201910275808A CN 109878041 B CN109878041 B CN 109878041B
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- 238000002347 injection Methods 0.000 title claims abstract description 13
- 239000007924 injection Substances 0.000 title claims abstract description 13
- 238000010030 laminating Methods 0.000 title claims description 4
- 238000003860 storage Methods 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 11
- 238000012856 packing Methods 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 4
- 239000004033 plastic Substances 0.000 abstract description 44
- 229920003023 plastic Polymers 0.000 abstract description 44
- 239000002991 molded plastic Substances 0.000 abstract description 10
- 238000003780 insertion Methods 0.000 abstract description 4
- 230000037431 insertion Effects 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000203 mixture Substances 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
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an anti-ejection white water bucket injection mold for a fitting and lifting piece, which structurally comprises a positioning limiting insertion column, an embedding matching groove, an upper mold ejection needle, a lower mold, a supporting column, a bottom plate and an air inlet hole, wherein the positioning limiting insertion column is welded and fixed on the upper end surface of the lower mold, the embedding matching groove penetrates through the center of the upper end surface of the lower mold, compared with the prior art, air in an air storage cavity is introduced into a section mold main body to push a piston block to provide power for upward rotation of a movable screw rod, movable balls on two sides of the movable screw rod roll in a ball fixing groove and slide along a track arranged in the section mold main body, a jacking cover keeps moving horizontally and upward to jack up a molded plastic piece, the jacking cover has rotating force and cannot be adhered to the molded plastic piece, and the jacking force is shared because the contact area with the plastic piece is increased, so that the plastic piece cannot be ejected and cracked due to overlarge pressure, the demoulding of the plastic part can be completely realized, and the quality of the plastic part is ensured.
Description
Technical Field
The invention belongs to the technical field of mold production equipment, and particularly relates to a fitting and lifting anti-ejection white water barrel injection mold.
Background
The injection mold is a mold and a tool with a required product pattern, molten plastic composition substances are injected into the mold, cooling, pressure maintaining and demolding are performed to form a product with a required pattern, generally, the injection mold is a circular production mode, the molding period is short, the production efficiency is high, the abrasion of a molten material to the mold is small, and a product molding part with a complex shape, clear surface patterns and marks and high dimensional accuracy can be molded in large batch, but the prior art is insufficient in consideration:
in the injection molding production process of the bucket mold, the demolding lifting piece generally uses a thimble to eject the cooled product plastic piece from the cavity of the lower mold, because the cooling is not thorough enough or because the melted plastic has certain viscosity and adheres to the surface of the cavity of the lower mold, when the thimble lifts the plastic piece, the contact area of the thimble and the plastic piece is too small, because the thimble has an ascending force, overlarge pressure on the surface of the plastic piece is formed, the surface of the plastic is extruded and stretched, the surface thickness of the position is changed to be different from the thickness of other positions, the stretched position is in a white convex shape, even the surface of the plastic bucket is damaged and cracked, and water leakage or easy cracking of the bucket occurs in the later use process.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an anti-ejection white water bucket injection mold attached to an ejection piece, and the injection mold aims to solve the problems that due to incomplete cooling or due to the fact that molten plastic has certain viscosity and adheres to the surface of an inner cavity of a lower mold, when an ejector pin ejects the plastic piece, the contact area of the ejector pin and the plastic piece is too small, due to the fact that the ejector pin has lifting force, too large pressure is formed on the surface of the plastic piece, the surface of the plastic piece is extruded to deform and stretch, the thickness of the surface of the position is changed to be different from the thickness of other positions, the stretching position is in a white convex shape, the surface of a plastic water bucket is damaged and cracked, and the water bucket is leaked or easily cracked in the later use process.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a piece anti-jack white cask injection mold is played in laminating, its structure includes that the location is spacing inserts post, embedding cooperation groove, goes up mould jack-up needle, lower mould, support column, bottom plate, inlet port, its characterized in that: the utility model discloses a set up the support column fixed connection, including bottom plate, support column, embedding cooperation groove, upper die jacking needle, the spacing post welded fastening of inserting in location is on lower mould upper end surface, embedding cooperation groove runs through at lower mould upper end surface center, the upper die jacking needle runs through to inlay the installation and fixes on embedding cooperation groove surface, the lower mould is fixed on the support column top, support column fixed connection is fixed in the lower mould bottom in bottom plate upper end and symmetric distribution, the inlet port runs through in the bottom plate surface and link up mutually with.
As preferred, the lower mould comprises breather pipe, lower mould shell, gas storage chamber, disappointing pipe, separates material ventilative stopper, section mould, cooling chamber, the breather pipe runs through to link up each other in support column and gas storage chamber, the inside gas storage chamber that is equipped with of lower mould shell just is located between the cooling chamber, the gas storage chamber runs through embedding section mould bottom center, disappointing pipe locates the bottom periphery that is close to the section mould and runs through in lower mould shell, separate the interference of material ventilative stopper to fix at the inside tip open-ended one end that is close to of disappointing pipe, the section mould bottom surface is fixed at lower mould shell upper end surface, the cooling chamber is located the inside section mould below that runs through of lower mould.
Preferably, the mould consists of a spiral balance jacking device and a mould main body, the spiral balance jacking device is movably screwed and fixed above the mould main body, and the mould main body is fixed in the middle of the embedding matching groove.
Preferably, the spiral balance jacking device is composed of a jacking cover, a movable screw rod, a piston block and an air accommodating hole, the movable screw rod is fixedly welded below the jacking cover and is perpendicular to the movable screw rod, the piston block and the movable screw rod are of an integrated structure along a spiral line, and the air accommodating hole penetrates through the surface of the tail end of the piston block.
Preferably, a heat insulation layer and a packing sleeve block are arranged below the jacking cover, the upper end surface of the heat insulation layer abuts against the jacking cover and is in clearance fit with the packing sleeve block, and the packing sleeve block is sleeved at the upper end of the movable screw rod.
Preferably, the movable screw rod is composed of a screw rod main body, ball fixing grooves, ball mounting limiting hoops and movable balls, the ball fixing grooves are symmetrically distributed on two sides of the screw rod main body in a penetrating mode, the ball mounting limiting hoops are in clearance fit with the ball fixing grooves, and the movable balls are movably fixed inside the mounting limiting hoops.
Preferably, the positioning limit insertion columns are four and are respectively fixed at four corners of the upper end surface of the lower die, and the material of the material separation ventilation plug is preferably breathable steel.
The working principle is as follows: the upper die is inserted above the lower die through the positioning limiting insertion column and fixed, the injection molding system injects molten plastic into a forming cavity of the lower die through an opening, the molten plastic diffuses from the center of the jacking cover to the periphery and flows along the surface of the forming die, air in the forming cavity is discharged from an air release pipe by the molten plastic, a material separating vent plug prevents the molten plastic from entering the air release pipe to form burrs, the shape structure of a primary plastic part is cooled after pressure is pressed, the upper die is taken away after cooling, the air is introduced into an air storage cavity through an air pipe and is compressed and pressurized, and the air is introduced into the forming die main body to push a piston block to provide power for upward rotation of a movable screw rod, movable balls on two sides of the movable screw rod roll in a ball fixing groove and slide along a track arranged in the forming die main body, the jacking cover keeps moving horizontally and upwards to jack the formed plastic part, the jacking cover has rotary force, can not have glutinous with the fashioned piece of moulding, and because with the area of contact grow of moulding, the power of jacking is shared, makes the piece of moulding can not because the too big phenomenon that appears the top white and ftracture of pressure, and the drawing of patterns is moulded in messenger that can be complete, guarantees to mould the quality of piece.
Advantageous effects
Compared with the prior art, the gas in the gas storage cavity is introduced into the section mould main body, the piston block is pushed, power is provided for the upward rotation of the movable screw rod, the movable balls on two sides of the movable screw rod roll in the ball fixing groove, the movable balls slide along the track arranged in the section mould main body, the jacking cover keeps moving horizontally and upwards, the molded plastic part is jacked up, the jacking cover has rotating force, the molded plastic part cannot be adhered to the jacking cover, the jacking cover is expanded in contact area with the plastic part, the jacked force is shared, the phenomenon that the plastic part is too large in jacking white and cracked cannot occur, the plastic part can be completely demolded, and the quality of the plastic part is guaranteed.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of an injection mold for a top-lifting-prevention white water barrel of the invention;
FIG. 2 is a schematic cross-sectional elevation view of a lower mold of the present invention;
FIG. 3 is a schematic view of a pattern die structure according to the present invention;
FIG. 4 is a schematic structural view of the spiral balance jack of the present invention;
FIG. 5 is a schematic view of a front cross-sectional view of the jacking cover of the present invention;
fig. 6 is a schematic sectional structure view of the movable screw rod of the present invention.
In the figure: the device comprises a positioning limit insert column 1, an embedding matching groove 2, an upper mold jacking needle 3, a lower mold 4, a vent pipe 41, a lower mold shell 42, a gas storage cavity 43, a gas release pipe 44, a material separation vent plug 45, a mold 46, a spiral balance jacking device 461, a jacking cover 4611, a heat insulation layer 46111, a packing sleeve block 46112, a movable spiral rod 4612, a spiral rod main body a, a ball fixing groove b, a ball mounting limit hoop c, a movable ball d, a piston block 4613, a gas accommodating hole 4614, a mold main body 462, a cooling cavity 47, a support column 5, a bottom plate 6 and an air inlet hole 7.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Please refer to fig. 1: the spacing post of inserting of location 1, embedding cooperation groove 2, last mould jack-up needle 3, lower mould 4, support column 5, bottom plate 6, inlet port 7, its characterized in that: spacing 1 welded fastening of inserting post in location is on 4 upper end surfaces of lower mould, embedding cooperation groove 2 runs through at 4 upper end surface centers of lower mould, go up mould jack-up needle 3 and run through to inlay the installation and fix on embedding cooperation groove 2 surfaces, lower mould 4 is fixed on 5 tops of support column, 5 fixed connection of support column are fixed in 4 bottoms of lower mould in 6 upper ends of bottom plate and symmetric distribution, inlet port 7 runs through in 6 surfaces of bottom plate and link up mutually with support column 5, the installation of the spacing post 1 of inserting of location for last mould is fixed a position, prevents to appear moulding plastics the skew.
Please refer to fig. 2: lower mould 4 comprises breather pipe 41, lower mould shell 42, gas storage chamber 43, gas release pipe 44, separate material ventilative stopper 45, section mould 46, cooling chamber 47, breather pipe 41 runs through in support column 5 and gas storage chamber 43 and link up each other, lower mould shell 42 is inside to be equipped with gas storage chamber 43 and to be located between the cooling chamber 47, gas storage chamber 43 runs through embedding section mould 46 bottom center, gas release pipe 44 locates to be close to the bottom periphery of section mould 46 and runs through in lower mould shell 42, separate material ventilative stopper 45 interference to be fixed at the inside tip open-ended one end that is close to of gas release pipe 44, section mould 46 bottom surface is fixed at lower mould shell 42 upper end surface, cooling chamber 47 is located the inside basic shape that runs through of lower mould shell 42 and is fixed in section mould 46 below, section mould 46 is the plastic component.
Please refer to fig. 3: the forming die 46 is composed of a spiral balance jacking device 461 and a die main body 462, the spiral balance jacking device 461 is movably screwed and fixed above the die main body 462, the die main body 462 is fixed in the middle of the embedding matching groove 2, and a track is arranged in the die main body so that the movable spiral rod 4612 can move.
Please refer to fig. 4: the spiral balance jacking device 461 is composed of a jacking cover 4611, a movable spiral rod 4612, a piston block 4613 and an air accommodating hole 4614, the movable spiral rod 4612 is fixedly welded below the jacking cover 4611 and is perpendicular to the movable spiral rod 4612, the piston block 4613 and the movable spiral rod 4612 are in an integrated structure along a spiral line, the air accommodating hole 4614 penetrates through the surface of the tail end of the piston block 4613, the jacking cover 4611 increases the contact area with a plastic part, reduces stress, and the air accommodating hole 4614 enhances the pushing force of air.
Please refer to fig. 5: a heat insulation layer 46111 and a packing sleeve block 46112 are arranged below the jacking cover 4611, the upper end surface of the heat insulation layer 46111 abuts against the jacking cover 4611 and is in clearance fit with the packing sleeve block 46112, the packing sleeve block 46112 is sleeved on the upper end of the movable screw rod 4612, and the packing sleeve block 46112 seals the interior of the die main body 462 to prevent molten plastics from entering.
Please refer to fig. 6: the movable screw rod 4612 is composed of a screw rod main body a, a ball fixing groove b, a ball mounting limiting hoop c and a movable ball d, the ball fixing groove b penetrates through the symmetrical distribution and is arranged on two sides of the screw rod main body a, the ball mounting limiting hoop c is in clearance fit with the ball fixing groove b, the movable ball d is movably fixed inside the mounting limiting hoop c, and the movable ball d reduces friction with a track.
The specific working process is as follows:
the upper die is inserted and fixed above the lower die 4 through the positioning and limiting insert column 1, the injection molding system injects the melted plastic into the molding cavity of the lower die 4 through the opening, the melted plastic diffuses from the center of the jacking cover 4611 to the periphery and then flows along the surface of the molding die 46, the air in the molding cavity is discharged from the air release pipe 44 by the melted plastic, the material separating and ventilating plug 45 prevents the melted plastic from entering the air release pipe 44 to form burrs, the shape structure of the primary molding part is pressed and cooled, the upper die is taken off after cooling, the air is introduced through the air pipe 41, the air enters the air storage cavity 43 and is compressed and pressurized, the air is introduced into the molding die body 462 to push the piston block 4613 to provide power for the upward rotation of the movable screw rod 4612, the movable balls d on the two sides of the movable screw rod 4612 roll in the ball fixing groove b and slide along the track arranged in the molding die body 462, the jacking cover 4611 keeps moving horizontally and upwards, with the fashioned piece jack-up of moulding, jack-up lid 4611 has rotatory power, can not mould the piece with the shaping and have glutinous, and because with the area of contact grow of moulding, the power of jack-up is shared, makes mould the phenomenon that the piece can not appear top white and fracture because pressure is too big, can be complete make mould a drawing of patterns, guarantees to mould the quality of piece.
The invention solves the problems that the surface of the plastic is extruded due to overlarge pressure on the surface of the plastic when the thimble is used for jacking up the plastic because the contact area of the thimble and the plastic is too small when the thimble is used for jacking up the plastic or because the melted plastic has certain viscosity, so that the surface of the plastic is deformed and stretched, the thickness of the surface at the position is changed to be different from the thickness at other positions, the stretched position is in a white convex shape, even the surface of a plastic water bucket is damaged and cracked, and the water bucket has water leakage or is easy to crack in the later use process, through the mutual combination of the components, the gas in the gas storage cavity 43 is introduced into the die main body 462 to push the piston block 4613 to provide power for the upward rotation of the movable screw rod 4612, and the movable balls d at the two sides of the movable screw rod 4612 roll in the ball fixing groove b, the jacking cover 4611 keeps moving horizontally and upwards to jack up the molded plastic part by sliding along a track arranged in the die main body 462, the jacking cover 4611 has rotating force, the molded plastic part cannot be adhered to the jacking cover, the jacking force is shared because the contact area of the jacking cover 4611 with the molded plastic part is increased, the phenomenon that the molded plastic part is white at the top and cracks due to overlarge pressure intensity is avoided, the molded plastic part can be completely demolded, and the quality of the molded plastic part is ensured.
The foregoing merely illustrates the principles and preferred embodiments of the invention and many variations and modifications may be made by those skilled in the art in light of the foregoing disclosure, which are intended to be within the scope of the invention.
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 (3)
1. The utility model provides a piece anti-ejection white cask injection mold is played in laminating, its structure includes that location is spacing inserts post (1), embedding cooperation groove (2), goes up mould jack-up needle (3), lower mould (4), support column (5), bottom plate (6), inlet port (7), its characterized in that: the positioning and limiting inserting column (1) is welded on the surface of the upper end of a lower mold (4), the embedding matching groove (2) penetrates through the upper end of the lower mold (4), the upper mold jacking needle (3) is fixed on the surface of the embedding matching groove (2), the lower mold (4) is fixed at the top end of a supporting column (5), the supporting column (5) is fixedly connected to the upper end of a bottom plate (6), and the air inlet hole (7) penetrates through the surface of the bottom plate (6);
the lower die (4) comprises a vent pipe (41), a lower die shell (42), a gas storage cavity (43), a gas release pipe (44), a material separation ventilating plug (45), a forming die (46) and a cooling cavity (47), wherein the vent pipe (41) penetrates through a support column (5), the gas storage cavity (43) is arranged inside the lower die shell (42), the gas storage cavity (43) is embedded into the bottom center of the forming die (46), the gas release pipe (44) is arranged at the periphery of the bottom close to the forming die (46), the material separation ventilating plug (45) is fixed inside the gas release pipe (44), the bottom surface of the forming die (46) is fixed on the upper end surface of the lower die shell (42), and the cooling cavity (47) is arranged inside the lower die shell (42);
the forming die (46) consists of a spiral balance jacking device (461) and a die main body (462), the spiral balance jacking device (461) is embedded above the die main body (462), and the die main body (462) is fixed in the middle of the embedding matching groove (2);
the spiral balance jacking device (461) comprises a jacking cover (4611), a movable spiral rod (4612), a piston block (4613) and an air accommodating hole (4614), wherein the movable spiral rod (4612) is fixedly welded below the jacking cover (4611), the piston block (4613) and the movable spiral rod (4612) are of an integrated structure, and the air accommodating hole (4614) penetrates through the surface of the tail end of the piston block (4613).
2. The attached-lifting anti-ejection white water barrel injection mold as claimed in claim 1, wherein: a heat insulation layer (46111) and a packing sleeve block (46112) are arranged below the jacking cover (4611), the upper end surface of the heat insulation layer (46111) is abutted against the jacking cover (4611), and the packing sleeve block (46112) is sleeved at the upper end of the movable screw rod (4612).
3. The attached-lifting anti-ejection white water barrel injection mold as claimed in claim 1, wherein: activity hob (4612) comprises hob main part (a), ball fixed slot (b), ball installation spacing hoop (c), activity ball (d), hob main part (a) both sides are located in ball fixed slot (b), ball installation spacing hoop (c) and ball fixed slot (b) clearance fit, activity ball (d) activity is fixed in and installs inside spacing hoop (c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910275808.3A CN109878041B (en) | 2019-04-08 | 2019-04-08 | Laminating plays piece and prevents top white cask injection mold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910275808.3A CN109878041B (en) | 2019-04-08 | 2019-04-08 | Laminating plays piece and prevents top white cask injection mold |
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| CN109878041A CN109878041A (en) | 2019-06-14 |
| CN109878041B true CN109878041B (en) | 2020-10-30 |
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| CN201910275808.3A Active CN109878041B (en) | 2019-04-08 | 2019-04-08 | Laminating plays piece and prevents top white cask injection mold |
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| CN113001895B (en) * | 2021-02-18 | 2022-07-12 | 东阳市昌隆实业有限公司 | Outdoor anti-cracking water cup injection mold |
| CN112880037A (en) * | 2021-03-12 | 2021-06-01 | 珠海格力电器股份有限公司 | Water pan, courtyard unit air conditioner and water pan manufacturing method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4874308A (en) * | 1988-04-04 | 1989-10-17 | Atlas Gary N | Vacuum assisted transfer mold and vent pin |
| KR20050017224A (en) * | 2003-08-11 | 2005-02-22 | 주식회사 팬택 | Product push out structure of plastic injection molding apparatus |
| CN206124112U (en) * | 2016-08-22 | 2017-04-26 | 台州市中野塑业有限公司 | Automatic material mould that takes off of plastic dustbin |
| CN106738656A (en) * | 2016-12-30 | 2017-05-31 | 黄石华志模具有限公司 | A kind of container class working of plastics mould |
| CN206765250U (en) * | 2017-03-30 | 2017-12-19 | 东莞佳旭电子制品有限公司 | Fruit juice staving precise forming mold |
| CN207105521U (en) * | 2017-07-20 | 2018-03-16 | 陈祗源 | A kind of injection mould |
| CN108189329A (en) * | 2018-03-14 | 2018-06-22 | 滁州市润达机械科技有限公司 | Refrigerator drawer injection mold |
| CN208180147U (en) * | 2018-04-25 | 2018-12-04 | 中山市志豪塑胶制品有限公司 | A kind of plastic mould of automatic demoulding |
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Effective date of registration: 20200928 Address after: 362100 Huian County, Quanzhou Province, Yang Zhen Town, Jinshan Village pier No. 103, No. Applicant after: Sun Qiumei Address before: 454950 the three phase A4 of Yi Ye Lu Nan Abrasives Industrial Park, Wuzhi, Jiaozuo, Henan. Applicant before: Zou Yunya |
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Effective date of registration: 20240112 Address after: 511300 Yanglantai (local name), Shazhuang Longdi Village, Shitan Town, Zengcheng, Guangzhou City, Guangdong Province Patentee after: Guangzhou Jinda Mold Manufacturing Co.,Ltd. Address before: 362100 No. 103, Jinshan Village, Luoyang Town, Huian County, Quanzhou, Fujian Patentee before: Sun Qiumei |
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