CN107030992B - Oil cylinder twice-parting core-pulling injection mold and using method thereof - Google Patents

Oil cylinder twice-parting core-pulling injection mold and using method thereof Download PDF

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Publication number
CN107030992B
CN107030992B CN201710459695.3A CN201710459695A CN107030992B CN 107030992 B CN107030992 B CN 107030992B CN 201710459695 A CN201710459695 A CN 201710459695A CN 107030992 B CN107030992 B CN 107030992B
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Prior art keywords
core
pulling
oil cylinder
plate
push plate
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CN107030992A (en
Inventor
不公告发明人
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SHENZHEN GUYUAN PLASTIC PRODUCE CO., LTD.
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Shenzhen Guyuan Plastic Produce Co Ltd
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Priority to CN201510343925.0A priority Critical patent/CN104859111B/en
Priority to CN201710459695.3A priority patent/CN107030992B/en
Publication of CN107030992A publication Critical patent/CN107030992A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/33Moulds having transversely, e.g. radially, movable mould parts
    • B29C45/332Mountings or guides therefor; Drives therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/4005Ejector constructions; Ejector operating mechanisms
    • B29C45/401Ejector pin constructions or mountings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/33Moulds having transversely, e.g. radially, movable mould parts
    • B29C45/332Mountings or guides therefor; Drives therefor
    • B29C2045/334Mountings or guides therefor; Drives therefor several transversely movable mould parts driven by a single drive means

Abstract

The invention provides an oil cylinder twice-parting core-pulling injection mold and a using method thereof, and the oil cylinder twice-parting core-pulling injection mold comprises a mold frame structure component, an oil cylinder once-pulling component and a sliding block twice-pulling component; the composite side core-pulling mechanism of the die is formed by assembling an oil cylinder primary core-pulling assembly and a sliding block secondary core-pulling assembly in a matching way; finally ejecting the product out by an ejector pin; the die layout is that one die is used for forming two cavities, and the pouring mode adopts a cold runner side gate mode; by adopting the mould provided by the technical scheme, the practical production problems that the side edge of a product needs to be provided with an undercut, the product is difficult to demould when the product is produced by moulding and is transversely provided with a long-depth hole, and a mechanism is difficult to design and control and the like are solved; the structure design is reasonable, the structure is compact, the work is stable, and the operation is safe and reliable.

Description

Oil cylinder twice-parting core-pulling injection mold and using method thereof
The application has the following application numbers: 2015103439250, the name of invention creation: the utility model provides an injection mold is loosed core to twice parting of hydro-cylinder, application date is: divisional application of the invention patent application on day 21/06/2015.
Technical Field
The invention relates to the field of injection mold mechanism design, in particular to an oil cylinder twice parting core-pulling injection mold and a use method thereof.
background
As shown in fig. 1, when the side edge of the product needs to have an undercut and a long-depth hole is transversely formed, a special core-pulling and demolding mechanism needs to be designed to ensure the molding quality of the product and the automatic injection molding production.
Disclosure of Invention
the invention aims to solve the technical problem of providing the oil cylinder twice-parting core-pulling injection mold which is reasonable in design, compact in structure, stable in work, safe, reliable and convenient to use; in order to solve the above-mentioned existing technical problem, the invention adopts the following scheme: the utility model provides an injection mold of loosing core of twice parting of hydro-cylinder, includes the fixed die plate, the die cavity mold insert, the core mold insert, the smart locating piece, the movable mould board, the release link, the thimble apron, the thimble push pedal, the lower die bedplate, the thimble, the cushion, well support department, main extension board, the side push pedal, left travel switch, right travel switch, the stroke cover, the hydro-cylinder, side push pedal ball guide pillar, the guide pillar ball, the ball cover, the side apron, the briquetting, the guide pillar briquetting that inclines, the guide pillar that inclines, the slider body of loosing core of secondary, the slider spring, the antifriction plate, once loose core type needle, the slider head of loosing core of secondary.
Preferably, the mold frame structural component comprises a fixed mold plate, a cavity insert, a core insert, a fine positioning block, a movable mold plate, a reset rod, a thimble cover plate, a thimble push plate, a lower mold base plate, a cushion block and a middle support.
Preferably, the oil cylinder primary core-pulling assembly comprises a main support plate, a side push plate, a left travel switch, a right travel switch, a travel sleeve, an oil cylinder, a side push plate ball guide column, a guide column ball, a ball sleeve, a side cover plate, a primary core-pulling type needle and an oil cylinder pull rod; the side push plate and the side cover plate form a primary core-pulling mechanism combined push plate, and the primary core-pulling type needle is arranged on the side cover plate and passes through the secondary core-pulling slider head in a transition fit manner; the combined push plate of the primary core-pulling mechanism is guided by the motion of a precise guide mechanism consisting of a ball guide post, a ball of the guide post and a ball sleeve of the side push plate; the side push plate is connected with the oil cylinder through an oil cylinder pull rod, and the oil cylinder provides core-pulling power for the side push plate; the stroke sleeve is arranged at the tail end of the oil cylinder and is matched with the left stroke switch and the right stroke switch to control the core-pulling stroke of the oil cylinder.
preferably, the slider secondary core pulling assembly comprises a pressing block, an inclined guide pillar, a secondary core pulling slider body, a slider spring, a wear-resisting plate and a secondary core pulling slider head; the pressing block and the inclined guide pillar pressing block are arranged on the die template through screws, and the inclined guide pillar pressing block is used for fastening and mounting the inclined guide pillar; the secondary core-pulling slider head is used for pulling the core of the side surface of the product; the primary core-pulling type needle penetrates through the secondary core-pulling slider head, and the primary core-pulling type needle and the secondary core-pulling slider head are in sliding fit; the pressing block plays a role in locking the secondary core pulling slide block body during mold closing.
Preferably, the composite side core-pulling mechanism of the mold is formed by assembling an oil cylinder primary core-pulling assembly and a sliding block secondary core-pulling assembly in a matching manner; finally ejecting the product out by an ejector pin; the die is distributed into two cavities by one die, and the pouring mode adopts a cold runner side gate mode.
has the advantages that: by adopting the oil cylinder twice-parting core-pulling injection mold provided by the technical scheme, the practical production problems that the product is difficult to demould when the product is produced by molding and has a long deep hole in the transverse direction and the mechanism is difficult to design and control and the like because the side edge of the product needs to be provided with the undercut are solved; the structure design is reasonable, the structure is compact, the work is stable, and the operation is safe and reliable.
drawings
FIG. 1 is a schematic view of an object product to which an oil cylinder twice parting core-pulling injection mold of the present invention is applied;
FIG. 2 is a schematic diagram of a fixed die of a twice-parting core-pulling injection mold for an oil cylinder according to the invention;
FIG. 3 is a schematic view of a driven mold of the oil cylinder twice parting core-pulling injection mold of the invention;
FIG. 4 is a schematic diagram of a core-pulling mechanism of a twice parting core-pulling injection mold of an oil cylinder according to the present invention;
FIG. 5 is a schematic view of an ejection and molding assembly installation of a twice parting core-pulling injection mold of an oil cylinder;
FIG. 6 is a schematic view of the installation of a stroke switch and a slide block of the twice parting core-pulling injection mold of the oil cylinder;
FIG. 7 is an installation schematic diagram of a slider spring and a side core-pulling guide pillar of the oil cylinder twice parting core-pulling injection mold of the invention;
FIG. 8 is a schematic view of the cylinder installation, parting, exhausting and gate design of the twice parting core-pulling injection mold of the cylinder of the invention;
FIG. 9 is an assembly diagram of molding parts of a twice parting core-pulling injection mold for an oil cylinder according to the present invention; .
Detailed Description
FIGS. 1-9 are related illustrations of the present invention; an oil cylinder twice-parting core-pulling injection mold comprises a fixed mold plate 1, a cavity insert 2, a core insert 3, a fine positioning block 4, a movable mold plate 5, a reset rod 6, an ejector pin cover plate 7, an ejector pin push plate 8, a lower mold seat plate 9, an ejector pin 10, a cushion block 11, a middle support block 12, a main support plate 13, a side push plate 14, a left travel switch 15, a right travel switch 16, a travel sleeve 17, an oil cylinder 18, a side push plate ball guide column 19, a guide column ball 20, a ball sleeve 21, a side cover plate 22, a pressing block 23, an inclined guide column pressing block 24, an inclined guide column 25, a secondary core-pulling slider body 26, a slider spring 27, an abrasion-resisting plate 28, a primary core-pulling type needle 29, a secondary core-pulling slider head 30 and an oil cylinder pull rod.
The mould base structure component comprises a fixed mould plate 1, a cavity insert 2, a core insert 3, a fine positioning block 4, a movable mould plate 5, a reset rod 6, an ejector pin cover plate 7, an ejector pin push plate 8, a lower mould base plate 9, a cushion block 11 and a middle support part 12.
The oil cylinder primary core-pulling assembly comprises a main support plate 13, a side push plate 14, a left travel switch 15, a right travel switch 16, a travel sleeve 17, an oil cylinder 18, a side push plate ball guide column 19, a guide column ball 20, a ball sleeve 21, a side cover plate 22, a primary core-pulling type needle 29 and an oil cylinder pull rod 31; the side push plate 14 and the side cover plate 22 form a primary core-pulling mechanism combined push plate, and the primary core-pulling type needle 29 is arranged on the side cover plate 22 and passes through the secondary core-pulling slider head 30 in a transition fit manner; the combined push plate of the primary core-pulling mechanism is guided by the motion of a precise guide mechanism consisting of a ball guide post 19, a guide post ball 20 and a ball sleeve 21 of the side push plate; the side push plate 14 is connected with the oil cylinder 18 through an oil cylinder pull rod 31, and the oil cylinder 18 provides core-pulling power for the side push plate; the stroke sleeve 17 is installed at the tail end of the oil cylinder 18 and is matched with the left stroke switch 15 and the right stroke switch 16 to control the core pulling stroke of the oil cylinder 18.
The slider secondary core pulling assembly comprises a pressing block 23, an inclined guide post pressing block 24, an inclined guide post 25, a secondary core pulling slider body 26, a slider spring 27, a wear-resisting plate 28 and a secondary core pulling slider head 30; the pressing block 23 and the inclined guide post pressing block 24 are mounted on the die template through screws, and the inclined guide post pressing block 24 is used for fastening and mounting an inclined guide post 25; the secondary core-pulling slider head 30 is used for pulling the core on the side surface of the product; the primary core-pulling type needle 29 penetrates through the secondary core-pulling slider head 30, and the two are in sliding fit; the press block 23 plays a role in locking the secondary core pulling slider body 26 during mold closing.
the composite side core-pulling mechanism of the die is formed by assembling an oil cylinder primary core-pulling assembly and a sliding block secondary core-pulling assembly in a matching way; the product is finally ejected out by the ejector pin 10; the die is distributed into two cavities by one die, and the pouring mode adopts a cold runner side gate mode.
In actual operation, as shown in fig. 4, the motion operation principle is as follows:
1) Before the mold is opened, the oil cylinder 18 acts, the oil cylinder pull rod 31 drives the side push plate 14 to be pulled out towards the right, and therefore the primary core-pulling type needle 29 is driven to perform long-distance core-pulling and pulling out; when the core is drawn out, the right stroke switch 16 controls the right core-pulling distance;
2) After the primary core-pulling type needle 29 is pulled out, the mold is opened, the inclined guide post 25 drives the secondary core-pulling slider body 26 to move rightwards, and therefore the secondary core-pulling slider head 30 is driven to complete demolding of the right side edge of the product; after demolding is finished, ejecting the product by the ejector pin 10;
3) during resetting, the oil cylinder 18 acts first, the oil cylinder pull rod 31 pushes the side push plate 14 to be pulled out to the left, so that the primary core-pulling type needle 29 is driven to perform long-distance core-pulling resetting, then the mold is closed, the ejector pin is reset, the secondary core-pulling slider head 30 is closed, and the mold is closed to wait for the beginning of the next injection molding cycle.
The embodiments described herein are merely illustrative of the spirit of the invention and various modifications, additions and substitutions may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (1)

1. the use method of the oil cylinder twice-parting core-pulling injection mold is characterized by comprising the following steps of: twice parting core-pulling injection mold for oil cylinder comprises: the core-pulling device comprises a fixed die plate (1), a cavity insert (2), a core insert (3), a fine positioning block (4), a movable die plate (5), a reset rod (6), an ejector pin cover plate (7), an ejector pin push plate (8), a lower die base plate (9), an ejector pin (10), a cushion block (11), a middle support (12), a main support plate (13), a side push plate (14), a left travel switch (15), a right travel switch (16), a travel sleeve (17), an oil cylinder (18), a side push plate ball guide pillar (19), a guide pillar ball (20), a ball sleeve (21), a side cover plate (22), a press block (23), an inclined press block guide pillar (24), an inclined guide pillar (25), a secondary core-pulling slider body (26), a slider spring (27), an abrasion-resisting plate (28), a primary molding needle (29), a secondary core-pulling slider head (; the mould base structure component comprises a fixed mould plate (1), a cavity insert (2), a core insert (3), a fine positioning block (4), a movable mould plate (5), a reset rod (6), an ejector pin cover plate (7), an ejector pin push plate (8), a lower mould base plate (9), a cushion block (11) and a middle support (12); the oil cylinder primary core-pulling assembly comprises a main support plate (13), a side push plate (14), a left travel switch (15), a right travel switch (16), a travel sleeve (17), an oil cylinder (18), a side push plate ball guide column (19), a guide column ball (20), a ball sleeve (21), a side cover plate (22), a primary core-pulling needle (29) and an oil cylinder pull rod (31); the side push plate (14) and the side cover plate (22) form a primary core-pulling mechanism combined push plate, and a primary core-pulling type needle (29) is arranged on the side cover plate (22) and passes through the secondary core-pulling slider head (30) in a transition fit manner; the combined push plate of the primary core-pulling mechanism is guided by the motion of a precise guide mechanism consisting of a side push plate ball guide post (19), a guide post ball (20) and a ball sleeve (21); the side push plate (14) is connected with the oil cylinder (18) through an oil cylinder pull rod (31), and the oil cylinder (18) provides core-pulling power for the side push plate; the stroke sleeve (17) is arranged at the tail end of the oil cylinder (18) and is matched with the left stroke switch (15) and the right stroke switch (16) to control the core-pulling stroke of the oil cylinder (18); the sliding block secondary core-pulling assembly comprises a pressing block (23), an inclined guide post pressing block (24), an inclined guide post (25), a secondary core-pulling sliding block body (26), a sliding block spring (27), a wear-resisting plate (28) and a secondary core-pulling sliding block head (30); the pressing block (23) and the inclined guide post pressing block (24) are mounted on the die template through screws, and the inclined guide post pressing block (24) is used for fastening and mounting the inclined guide post (25); the secondary core-pulling slider head (30) is used for pulling the core of the side surface of the product; the primary core-pulling type needle (29) penetrates through the secondary core-pulling slider head (30), and the primary core-pulling type needle and the secondary core-pulling slider head are in sliding fit; the pressing block (23) plays a role in locking the secondary core pulling slide block body (26) during mold closing; the shape of the product manufactured by the mould is a product with lateral recesses and a transverse long-depth hole; the use method of the mold comprises the following steps:
1) Before the mold is opened, the oil cylinder acts, and the oil cylinder pull rod drives the side push plate to be pulled out to the right, so that the primary core-pulling type needle is driven to pull out the core for a long distance; when the core is drawn out, the right stroke switch controls the right core-pulling distance;
2) After the primary core-pulling type needle is pulled out, the mold is opened, the inclined guide post drives the secondary core-pulling slider body to move rightwards, and therefore the secondary core-pulling slider head is driven to complete demolding of the right side edge of a product; after demolding is finished, ejecting the product by an ejector pin;
3) when resetting, the oil cylinder acts first, the oil cylinder pull rod pushes the side push plate to reset to the left, so that the primary core pulling needle is driven to perform long-distance core pulling resetting, then the mold is closed, the ejector pin resets, the secondary core pulling slider head resets, the mold is closed, and the beginning of the next injection molding cycle is waited.
CN201710459695.3A 2015-06-21 2015-06-21 Oil cylinder twice-parting core-pulling injection mold and using method thereof Active CN107030992B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201510343925.0A CN104859111B (en) 2015-06-21 2015-06-21 A kind of oil cylinder two-time parting loose-core injection mould
CN201710459695.3A CN107030992B (en) 2015-06-21 2015-06-21 Oil cylinder twice-parting core-pulling injection mold and using method thereof

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Application Number Priority Date Filing Date Title
CN201710459695.3A CN107030992B (en) 2015-06-21 2015-06-21 Oil cylinder twice-parting core-pulling injection mold and using method thereof

Related Parent Applications (1)

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CN201510343925.0A Division CN104859111B (en) 2015-06-21 2015-06-21 A kind of oil cylinder two-time parting loose-core injection mould

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CN201510343925.0A Active CN104859111B (en) 2015-06-21 2015-06-21 A kind of oil cylinder two-time parting loose-core injection mould

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CN109878034A (en) * 2017-12-06 2019-06-14 高勇勇 Three layers of core-drawing demoulding mechanism of mold
CN109878020A (en) * 2017-12-06 2019-06-14 程华伟 A kind of manufacturing method of sewage treatment water pump pump casing cover
CN109878035A (en) * 2017-12-06 2019-06-14 高勇勇 A kind of manufacturing method of unmanned plane and the connector applied to unmanned plane
CN109878036A (en) * 2017-12-06 2019-06-14 程华伟 A kind of loose-core injection mould demoulding mechanism twice
CN108527785A (en) * 2018-05-04 2018-09-14 深圳创维精密科技有限公司 Injection mold with core-pulling device
CN108748896A (en) * 2018-05-23 2018-11-06 乌鲁木齐九品芝麻信息科技有限公司 A kind of front mold slide injection mold
CN110884069A (en) * 2019-12-05 2020-03-17 武汉市银宝山新模塑科技有限公司 Oil cylinder core-pulling structure and method for SMC (sheet molding compound) mould pressing

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CN104859111B (en) 2017-08-15
CN104859111A (en) 2015-08-26

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