CN112757561A - Floating core-pulling type double-color injection mold - Google Patents

Floating core-pulling type double-color injection mold Download PDF

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Publication number
CN112757561A
CN112757561A CN202110093024.6A CN202110093024A CN112757561A CN 112757561 A CN112757561 A CN 112757561A CN 202110093024 A CN202110093024 A CN 202110093024A CN 112757561 A CN112757561 A CN 112757561A
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China
Prior art keywords
pulling
plate
core
mold
movable
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Pending
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CN202110093024.6A
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Chinese (zh)
Inventor
邵月华
李宝泉
杨海天
唐国健
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Changyuan Technology Tianjin Co ltd
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Changyuan Technology Tianjin Co ltd
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Publication of CN112757561A publication Critical patent/CN112757561A/en
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    • 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
    • B29C45/16Making multilayered or multicoloured articles
    • B29C45/1676Making multilayered or multicoloured articles using a soft material and a rigid material, e.g. making articles with a sealing part
    • 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
    • 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
    • B29C45/2602Mould construction elements

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The invention discloses a floating core-pulling type double-color injection mold, wherein two groups of cavities are symmetrically arranged on a fixed template, two groups of cores and two groups of movable mold core-pulling inserts are symmetrically arranged on a movable template, a movable mold insert driving device for driving the movable mold core-pulling inserts to move up and down is arranged between the movable template and a movable mold fixing plate, lateral oblique glue-pulling devices for mold closing and sealing are symmetrically arranged on the left side and the right side of the fixed template, a movable mold and a fixed mold are closed, when the first molding is carried out, the movable mould insert driving device drives the movable mould core-pulling insert to move upwards, the lateral inclined glue-extracting and sealing device moves forwards to finish one-time glue sealing to form a first mould cavity for molding the hard glue part of the product, after the first molding, the movable mold insert driving device drives the movable mold core-pulling insert to move downwards, the lateral inclined glue-extracting and sealing device retreats to complete secondary glue sealing, a second mold cavity for forming a soft glue part of a product is formed, and double-color injection molding is realized; the invention replaces a rotary type double-color die, and has the advantages of simple structure, simple and convenient process, high production efficiency and low cost.

Description

Floating core-pulling type double-color injection mold
Technical Field
The invention relates to the technical field of molds, in particular to a floating core-pulling type double-color injection mold.
Background
The double-color injection molding is a molding process in which two different materials are injected into an injection mold, so that an injection molded part is formed by the two materials. Some two kinds of materials are different colours, and some are the hardness difference to improve the performance such as the pleasing to the eye degree of product and assembly, many car ornaments can involve double-shot moulding at present, for example: automobile wheel cover bottom guard plate, etc.; in the prior art, mostly adopt rotation type double-color mold, including two sets of moulds, divide into twice shaping, wherein, two sets of the same movable moulds, two sets of different cover half, at first, the mould compound die carries out ebonite product injection moulding, then the mould is opened, the product is not ejecting in the mould movable mould, realize that the movable mould is 180 degrees rotatory through injection molding machine intermediate link plate, the compound die again, carry out opposite side flexible glue product again and mould plastics, after moulding plastics, the mould is opened, ejecting product, accomplish one time the cycle of moulding plastics, however, this kind of injection mold overall structure is complicated, heavy, with high costs.
Disclosure of Invention
In order to solve the defects of the prior art, the invention aims to provide a floating core-pulling type double-color injection mold.
In order to achieve the purpose, the invention is realized by the following technical scheme: a floating core-pulling type double-color injection mold comprises: the hot runner pouring mould comprises a fixed mould and a movable mould, wherein the fixed mould comprises a fixed mould fixing plate, a hot runner plate and a fixed mould plate which are fixedly connected in sequence from top to bottom, a hot runner pouring system is arranged in the hot runner plate, the movable mould comprises a movable mould plate and a movable mould fixing plate which are fixedly connected in sequence from top to bottom, the movable mould plate and the movable mould fixing plate are fixedly connected through mould feet on the left side and the right side, an ejection mechanism is arranged between the movable mould plate and the movable mould fixing plate, two groups of cavities are symmetrically arranged on the fixed mould plate, two groups of cores and two groups of movable mould core-pulling inserts are symmetrically arranged on the movable mould plate, a movable mould insert driving device for driving the movable mould core-pulling inserts to move up and down is arranged between the movable mould; move, cover half compound die, during the first time of shaping, movable mould mold insert drive arrangement drive the movable mould is loosed the core insert and is moved up, the lateral oblique adhesive tape device of taking out advances, accomplishes one-time and seals the glue, forms the first die cavity that is used for the shaping product ebonite part, after the first time of shaping, movable mould insert drive arrangement drive the movable mould is loosed the core insert and is moved down, the lateral oblique adhesive tape device of taking out moves back, accomplishes the secondary and seals the glue, forms the second die cavity that is used for the shaping product flexible glue part, realizes the double-colored injection moulding of product.
Wherein, movable mould insert drive arrangement includes: the movable mould core pulling mold comprises a longitudinal driving oil cylinder and a first driving plate, wherein the first driving plate is located below a movable mould plate and transversely arranged between two mold feet, the longitudinal driving oil cylinder is symmetrically arranged at the left side end and the right side end of the movable mould plate, an oil cylinder rod of the longitudinal driving oil cylinder is fixedly connected with the end part of the first driving plate, and a movable mould core pulling mold insert longitudinally penetrates through the movable mould plate, the lower end of the movable mould core pulling mold insert is fixed at the upper end of the first driving plate, and the first driving plate is driven to move up and down through the longitudinal driving oil cylinder so as to drive the movable mould core pulling mold insert to.
Wherein, the lateral oblique adhesive tape extracting device comprises: the lateral driving oil cylinder is fixed on two sides of the upper end of the fixed die plate, the lateral inclined cutter-pulling block penetrates through the inside of the fixed die plate in an inclined mode, the upper end of the lateral inclined cutter-pulling block is connected with an oil cylinder rod of the lateral driving oil cylinder, and the lower end of the lateral inclined cutter-pulling block is communicated with one side of the cavity.
Wherein, still include: the fixed die core-pulling insert comprises a fixed die core-pulling insert and a fixed die insert driving device for controlling the fixed die core-pulling insert to move up and down.
Wherein, cover half mold insert drive arrangement includes: the bottom of the hot runner plate is provided with a clamping groove, the second drive plate is arranged in the clamping groove, the drive block is positioned above the middle of the second drive plate and fixedly connected with the second drive plate, the hot runner plate is also provided with a through groove longitudinally communicated with the clamping groove, the guide block is arranged in the through groove, the transverse drive oil cylinder is fixed on the hot runner plate, the side end of the guide block is connected with an oil cylinder rod of the transverse drive oil cylinder, the lower end of the guide block is provided with a slope slide rail, the drive block is provided with a matched slope type slide groove, the guide block and the drive block realize sliding connection through the slope slide rail and the slope type slide groove, the lower ends of the left side and the right side of the second drive plate are symmetrically provided with the fixed mold core-pulling insert, the fixed die core-pulling insert longitudinally penetrates through the fixed die plate, the upper end of the movable die core-pulling insert is provided with a collision penetrating surface matched with the lower end surface of the fixed die core-pulling insert, during die assembly, the lower end surface of the fixed die core-pulling insert and the collision penetrating surface are in a continuous close contact state, the fixed die core-pulling insert and the movable die core-pulling insert synchronously move up and down, the guide sliding block is driven to advance and retreat by the transverse driving oil cylinder to drive the driving block and the second driving plate to move up and down, and then the fixed die core-pulling insert moves up and down.
The top of cover half is provided with main feed inlet, the lateral wall of cover half is provided with vice feed inlet, be provided with on the cover half and vertically run through its inside main pouring material mouth and vice pouring material mouth, through main feed inlet and main pouring material mouth to the injection sizing material of first mould intracavity, through vice feed inlet and vice pouring material mouth to the injection sizing material of second mould intracavity.
The anti-collision device comprises a fixed die plate, a fixed die core-pulling insert and a movable die core-pulling insert, wherein the anti-collision device also comprises an anti-collision rod, the anti-collision rod is longitudinally arranged and is divided into an upper part and a lower part, the upper part is fixed at the lower end of a second drive plate and penetrates through the fixed die plate, the lower half is fixed at the upper end of a first drive plate, the movable die plate, the fixed die core-pulling insert and the movable die core-pulling insert are in an opposite-top state all the time when the core is pulled, the lower end of the upper part of the anti-collision rod and.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a floating core-pulling type double-color injection mold, wherein two groups of cavities are symmetrically arranged on a fixed template of the mold, two groups of cores and two groups of movable core-pulling inserts are symmetrically arranged on a movable template, a movable mold insert driving device for driving the movable mold core-pulling inserts to move up and down is arranged between the movable template and a movable mold fixing plate, lateral inclined glue-pulling and sealing devices for mold closing and sealing are symmetrically arranged on the left side and the right side of the fixed template, the movable template and the fixed template are matched, during first molding, the movable mold insert driving device drives the movable mold core-pulling inserts to move up, the lateral inclined glue-pulling and sealing devices move forward to complete one-time glue sealing to form a first mold cavity for molding a hard glue part of a product, after first molding, the movable mold insert driving device drives the movable mold core-pulling inserts to move down, the lateral inclined glue, realizing the double-color injection molding of the product; the invention replaces the traditional rotary double-color die, has simple structure, shortens the process flow, and has high production efficiency and low manufacturing cost.
Drawings
FIG. 1 is a partial perspective view of the first embodiment of the present invention;
FIG. 2 is a partial perspective view of the second embodiment of the present invention;
FIG. 3 is a third schematic view of a partial perspective structure of the present invention;
FIG. 4 is a schematic diagram of a partial perspective structure of the present invention;
FIG. 5 is a schematic view of the overall structure of the present invention;
FIG. 6 is a schematic perspective view of the moving mold of the present invention;
FIG. 7 is a schematic perspective view of a stationary platen according to the present invention;
FIG. 8 is a first schematic perspective view of a hot runner plate according to the present invention;
FIG. 9 is a schematic perspective view of a second embodiment of the hot runner plate of the present invention;
FIG. 10 is a schematic perspective view of a slider guide according to the present invention;
FIG. 11 is a schematic perspective view of a driving block according to the present invention;
FIG. 12 is a schematic cross-sectional view of the hard gel of the present invention as it is formed;
FIG. 13 is a schematic cross-sectional view of the soft gel molding of the present invention;
fig. 14 is a schematic perspective view of a molded product according to the present invention.
In the figure: 1-fixing a die fixing plate; 2-hot runner plate; 21-card slot; 22-a through slot; 3-fixing a template; 4-moving the template; 5-moving die fixing plate; 6-mold feet; 7-a crash bar; 31-a cavity; 41-core; 42-moving die core-pulling insert; 43-longitudinal driving oil cylinder; 44-a first drive plate; 45-lateral driving oil cylinder; 46-lateral inclined drawing knife block; 32-fixing the core pulling insert; 33-transverse driving oil cylinders; 34-a guide block; 341-ramp slide rail; 35-a drive block; 351-a ramp type chute; 36-a second drive plate; 37-main feed inlet; 38-secondary feed port; 39-main pouring material nozzle; 40-auxiliary pouring material nozzle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and more obvious, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
As shown in fig. 1 to 14, the present invention provides a floating core-pulling type two-color injection mold comprising: the fixed die comprises a fixed die fixing plate 1, a hot runner plate 2 and a fixed die plate 3 which are fixedly connected in sequence from top to bottom, the hot runner plate 2 is internally provided with a hot runner pouring system, the movable mould comprises a movable mould plate 4 and a movable mould fixing plate 5 which are fixedly connected in sequence from top to bottom, the movable die plate 4 and the movable die fixing plate 5 are fixedly connected through die feet 6 at the left side and the right side, an ejection mechanism is arranged between the movable die plate 4 and the movable die fixing plate 5, two groups of cavities 31 are symmetrically arranged on the fixed die plate 3, two groups of cores 41 and two groups of movable die core-pulling inserts 42 are symmetrically arranged on the movable die plate 4, a movable mold insert driving device for driving the movable mold core-pulling insert 42 to move up and down is arranged between the movable mold plate 4 and the movable mold fixing plate 5, lateral oblique glue extracting and sealing devices for die assembly glue sealing are symmetrically arranged on the left side and the right side of the fixed die plate 3; move, cover half compound die, during first time forming, movable mould mold insert drive arrangement drive movable mould core-pulling mold insert 42 shifts up, the lateral is taken out the molding equipment to one side and is advanced, accomplishes one-time and seals the glue, forms the first die cavity that is used for shaping product ebonite part, after the first time forming, movable mould mold insert drive arrangement drive movable mould core-pulling mold insert 42 moves down, and the distance that moves down equals the thickness of product flexible glue part, the lateral is taken out the molding equipment backset to one side, accomplishes the secondary and seals the glue, and the distance of retreating is the thickness of product flexible glue part lateral wall edge bulge, forms the second die cavity that is used for shaping product flexible glue part, realizes the double-colored injection moulding of product.
In addition to the above embodiments, preferably, the moving mold insert driving apparatus includes: longitudinal driving cylinder 43 and first drive plate 44, first drive plate 44 is located the below of movable mould board 4, it transversely sets up in two between the die foot 6, two longitudinal driving cylinder 43 symmetry set up in the left and right sides end of movable mould board 4, longitudinal driving cylinder 43's hydro-cylinder pole with the tip of first drive plate 44 passes through coupling assembling fixed connection, the movable mould core-pulling insert 42 vertically passes movable mould board 4, and its lower extreme passes through locking screw to be fixed in the upper end of first drive plate 44, through the withdrawal or the drive of stretching out of longitudinal driving cylinder 43 hydro-cylinder pole first drive plate 44 moves up or moves down, and then drives movable mould core-pulling insert 42 moves up or moves down.
On the basis of the above embodiments, preferably, the lateral oblique sealant pouring device includes: lateral driving oil cylinder 45 and lateral oblique broach block 46, lateral driving oil cylinder 45 is fixed in the upper end both sides of fixed die plate 3, lateral oblique broach block 46 slant runs through the inside of fixed die plate 3, just lateral oblique broach block 46's upper end with lateral driving oil cylinder 45's hydro-cylinder pole passes through the T type connecting block and connects, its lower extreme with one side intercommunication of die cavity 31.
On the basis of the above embodiment, the method further includes: the fixed mold core-pulling insert 32 and a fixed mold insert driving device for controlling the fixed mold core-pulling insert 32 to move up and down.
On the basis of the foregoing embodiment, preferably, the fixed mold insert driving device includes: the bottom of the hot runner plate 2 is provided with a clamping groove 21, the second driving plate 36 is arranged in the clamping groove 21, the driving block 35 is positioned above the middle of the second driving plate 36 and fixedly connected with the second driving plate 36 through a locking screw, the hot runner plate 2 is further provided with a through groove 22 longitudinally communicated with the clamping groove 21, the guide block 34 is arranged in the through groove 22, the transverse driving oil cylinder 33 is fixed on the hot runner plate 2, the side end of the guide block 34 is connected with an oil cylinder rod of the transverse driving oil cylinder 33 through a T-shaped connecting block, the lower end of the guide block 34 is provided with a slope slide rail 341, the driving block 35 is provided with a matched slope type slide groove 351, and the guide block 34 and the driving block 35 are in sliding connection through the slope slide rail 341 and the slope type slide groove 351, the fixed die core pulling inserts 32 are symmetrically arranged at the lower ends of the left side and the right side of the second driving plate 36, the fixed mold core-pulling insert 32 longitudinally penetrates through the fixed mold plate 3, the upper end of the movable mold core-pulling insert 42 is provided with a collision penetrating surface matched with the lower end surface of the fixed mold core-pulling insert 32, when the mold is closed, the lower end surface of the fixed mold core pulling insert 32 is in continuous close contact with the collision surface, the fixed mold core pulling insert 32 and the movable mold core pulling insert 42 synchronously move up and down, the transverse driving oil cylinder 33 drives the guide slide block 34 to move forwards and backwards to drive the driving block 35 and the second driving plate 36 to move up and down, and then realize the cover half core pulling mold insert 32 reciprocates, during the secondary forming, the lower terminal surface of cover half core pulling mold insert 32 with bump the face and be in lasting close contact state in order to realize here and seal the glue, the opening structure of shaping product flexible glue part upper end.
On the basis of the above embodiment, preferably, the top of the fixed mold is provided with a main feed inlet 37, the side wall of the fixed mold is provided with an auxiliary feed inlet 38, the fixed mold plate 3 is provided with four main pouring nozzles 39 and four auxiliary pouring nozzles 40 longitudinally penetrating through the fixed mold plate, rubber materials are injected into the first mold cavity through the main feed inlet 37 and the main pouring nozzles 39, and rubber materials are injected into the second mold cavity through the auxiliary feed inlet 38 and the auxiliary pouring nozzles 40.
On the basis of the above embodiment, preferably, the anti-collision device further includes an anti-collision rod 7, the anti-collision rod 7 is vertically disposed and is divided into an upper portion and a lower portion, the upper portion is fixed to the lower end of the second drive plate 36 and penetrates through the fixed die plate 3, the lower portion is fixed to the upper end of the first drive plate 44 and penetrates through the movable die plate 4, the fixed die core-pulling insert 32 and the movable die core-pulling insert 42, when core pulling is performed on the upper end of the upper portion and the lower portion of the anti-collision rod 7, the lower end of the upper portion and the upper end of the lower portion of the anti-collision rod 7 are always in an opposite-top state.
The specific working process of the invention is as follows:
the movable mold and the fixed mold are closed, the collision surface of the movable mold core-pulling insert 42 collides with the lower end surface of the fixed mold core-pulling insert 32 to realize tight contact, an oil cylinder rod of the oil cylinder 43 is longitudinally driven to retract so as to drive the first drive plate 44 and the movable mold core-pulling insert 42 to move upwards, synchronously, an oil cylinder rod of the transverse drive oil cylinder 33 retracts so as to drive the guide slide block 34 to move forwards, and drive the drive block 35, the second drive plate 36 and the fixed mold core-pulling insert 32 to move upwards synchronously;
subsequently, an oil cylinder rod of the longitudinal driving oil cylinder 43 extends to drive the first driving plate 44 and the movable mold core-pulling insert 42 to move downwards, synchronously, an oil cylinder rod of the transverse driving oil cylinder 33 extends to drive the guide slide block 34 to retreat, and drives the driving block 35, the second driving plate 36 and the fixed mold core-pulling insert 32 to synchronously move downwards, in the process, the movable mold core-pulling insert 42 and the fixed mold core-pulling insert 32 are always in a relatively static state, an oil cylinder rod of the lateral driving oil cylinder 45 retracts to drive the lateral inclined cutter block 46 to retreat obliquely upwards and reach a secondary glue sealing position, so that a second die cavity is formed, the injection molding machine injects glue into the second die cavity through the secondary feeding hole 38 and the secondary pouring material nozzle 40, so that the second molding process is completed, the soft glue part of the product is injection molded, and the double-.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (7)

1. A floating core-pulling type double-color injection mold comprises: the hot runner pouring die comprises a fixed die fixing plate (1), a hot runner plate (2) and a fixed die plate (3) which are sequentially and fixedly connected from top to bottom, wherein a hot runner pouring system is arranged in the hot runner plate (2), the movable die comprises a movable die plate (4) and a movable die fixing plate (5) which are sequentially and fixedly connected from top to bottom, the movable die plate (4) and the movable die fixing plate (5) are fixedly connected through die pins (6) on the left side and the right side, an ejection mechanism is arranged between the movable die plate (4) and the movable die fixing plate (5), the hot runner pouring die is characterized in that two groups of cavities (31) are symmetrically arranged on the fixed die plate (3), two groups of cores (41) and two groups of movable die core-pulling inserts (42) are symmetrically arranged on the movable die plate (4), and a movable die insert driving device for driving the movable die core-pulling inserts (42) to move up and down, lateral oblique glue extracting and sealing devices for die assembly glue sealing are symmetrically arranged on the left side and the right side of the fixed die plate (3); move, cover half compound die, during the first time of shaping, movable mould mold insert drive arrangement drive movable mould core-pulling mold insert (42) shifts up, the lateral oblique adhesive tape device that takes out advances, accomplishes one-time glue sealing, forms the first die cavity that is used for the shaping product ebonite part, after the first time of shaping, movable mould mold insert drive arrangement drive movable mould core-pulling mold insert (42) move down, the lateral oblique adhesive tape device that takes out moves back, accomplishes the secondary and seals the glue, forms the second die cavity that is used for the shaping product flexible glue part, realizes the double-colored injection moulding of product.
2. The floating core-pulling type two-color injection mold according to claim 1, wherein the movable mold insert driving means comprises: vertical drive cylinder (43) and first drive plate (44), first drive plate (44) are located the below of movable mould board (4), it transversely sets up in two between moulding foot (6), two vertical drive cylinder (43) symmetry set up in the both sides end about movable mould board (4), the hydro-cylinder pole of vertical drive cylinder (43) with the tip fixed connection of first drive plate (44), movable mould core-pulling insert (42) vertically passes movable mould board (4), and its lower extreme is fixed in the upper end of first drive plate (44), through vertical drive cylinder (43) drive first drive plate (44) reciprocate, and then drive movable mould core-pulling insert (42) reciprocate.
3. The floating core-pulling type two-color injection mold according to claim 1, wherein the lateral inclined sealant-pulling device comprises: lateral driving oil cylinder (45) and lateral oblique cutter-drawing block (46), lateral driving oil cylinder (45) is fixed in the upper end both sides of fixed die plate (3), lateral oblique cutter-drawing block (46) slant runs through the inside of fixed die plate (3), just the upper end of lateral oblique cutter-drawing block (46) with the hydro-cylinder pole of lateral driving oil cylinder (45) is connected, its lower extreme with one side intercommunication of die cavity (31).
4. The floating core-pulling two-color injection mold according to claim 1, further comprising: the fixed die core pulling device comprises a fixed die core pulling insert (32) and a fixed die insert driving device for controlling the fixed die core pulling insert (32) to move up and down.
5. The floating core-pulling two-color injection mold according to claim 4, wherein the fixed mold insert driving means comprises: the device comprises a transverse driving oil cylinder (33), a guide sliding block (34), a driving block (35) and a second driving plate (36), wherein a clamping groove (21) is formed in the bottom of a hot runner plate (2), the second driving plate (36) is arranged in the clamping groove (21), the driving block (35) is positioned above the middle of the second driving plate (36) and fixedly connected with the same, a through groove (22) longitudinally communicated with the clamping groove (21) is further formed in the hot runner plate (2), the guide sliding block (34) is arranged in the through groove (22), the transverse driving oil cylinder (33) is fixed on the hot runner plate (2), the side end of the guide sliding block (34) is connected with an oil cylinder rod of the transverse driving oil cylinder (33), a slope sliding rail (341) is arranged at the lower end of the guide sliding block (34), and a matched slope type sliding groove (351) is formed in the driving block (35), the slide block (34) and the driving block (35) are connected in a sliding mode through the slope slide rail (341) and the slope type slide groove (351), the left and right lower ends of the second driving plate (36) are symmetrically provided with the fixed mold core-pulling insert (32), the fixed mold core-pulling insert (32) vertically penetrates the fixed mold plate (3), the upper end of the movable mold core-pulling insert (42) is provided with a collision penetrating surface matched with the lower end surface of the fixed mold core-pulling insert (32), during mold closing, the lower end surface of the fixed mold core-pulling insert (32) and the collision penetrating surface are in a continuous close contact state, the fixed mold core-pulling insert (32) and the movable mold core-pulling insert (42) synchronously move up and down, the transverse driving oil cylinder (33) drives the slide block (34) to advance and retreat, and drives the driving block (35) and the second driving plate (36) to move up and, and further realizing the up-and-down movement of the fixed die core-pulling insert (32).
6. The floating core-pulling type double-color injection mold according to claim 1, characterized in that a main feeding hole (37) is formed in the top of the fixed mold, an auxiliary feeding hole (38) is formed in the side wall of the fixed mold, a main pouring nozzle (39) and an auxiliary pouring nozzle (40) longitudinally penetrating the fixed mold plate (3) are arranged on the fixed mold plate, rubber is injected into the first mold cavity through the main feeding hole (37) and the main pouring nozzle (39), and rubber is injected into the second mold cavity through the auxiliary feeding hole (38) and the auxiliary pouring nozzle (40).
7. The floating core-pulling type double-color injection mold according to claim 1, further comprising an anti-collision rod (7), wherein the anti-collision rod (7) is longitudinally arranged and divided into an upper portion and a lower portion, the upper portion of the anti-collision rod is fixed at the lower end of the second drive plate (36) and penetrates through the fixed mold plate (3), the lower portion of the anti-collision rod is fixed at the upper end of the first drive plate (44) and penetrates through the movable mold plate (4), and when the fixed mold core-pulling insert (32) and the movable mold core-pulling insert (42) perform core pulling, the lower end of the upper portion of the anti-collision rod (7) and the upper end of the lower portion of the anti-collision rod are always in an opposite-top state, so that synchronous core pulling of the anti-collision.
CN202110093024.6A 2020-06-03 2021-01-25 Floating core-pulling type double-color injection mold Pending CN112757561A (en)

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Application Number Priority Date Filing Date Title
CN202010492910.1A CN111619071A (en) 2020-06-03 2020-06-03 Floating core-pulling type double-color injection mold
CN2020104929101 2020-06-03

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CN113942192A (en) * 2021-11-30 2022-01-18 广州导新模具注塑有限公司 Multicolor injection molding and sealing glue molding inner-drawing structure and use method thereof
CN115042384A (en) * 2022-05-17 2022-09-13 丽水职业技术学院 A mould structure that is used for processing rod end injection moulding bearing and has unsteady glue sealing face

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Publication number Priority date Publication date Assignee Title
CN112157869A (en) * 2020-09-21 2021-01-01 湖南财经工业职业技术学院 Single-cavity double-color forming die
CN112829187A (en) * 2020-12-31 2021-05-25 青岛海泰科模具有限公司 Compression double-shot injection mold in mould
CN113650229B (en) * 2021-08-26 2023-06-30 广州城市理工学院 Injection control method of injection molding device
CN114953364A (en) * 2022-06-14 2022-08-30 常州市佳乐车辆配件制造有限公司 Front mold oblique secondary internal drawing injection molding process and device of automobile ventilation cover plate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113942192A (en) * 2021-11-30 2022-01-18 广州导新模具注塑有限公司 Multicolor injection molding and sealing glue molding inner-drawing structure and use method thereof
CN115042384A (en) * 2022-05-17 2022-09-13 丽水职业技术学院 A mould structure that is used for processing rod end injection moulding bearing and has unsteady glue sealing face

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