CN106378905B - A kind of injection mold and its operating method - Google Patents

A kind of injection mold and its operating method Download PDF

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Publication number
CN106378905B
CN106378905B CN201611040235.9A CN201611040235A CN106378905B CN 106378905 B CN106378905 B CN 106378905B CN 201611040235 A CN201611040235 A CN 201611040235A CN 106378905 B CN106378905 B CN 106378905B
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China
Prior art keywords
mold
housing
take
guide pillar
inclined guide
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CN201611040235.9A
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Chinese (zh)
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CN106378905A (en
Inventor
周期峰
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Guangzhou Youcheng Mechanical Industry Co Ltd
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Guangzhou Youcheng Mechanical Industry Co Ltd
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Priority to CN201611040235.9A priority Critical patent/CN106378905B/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
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/2602Mould construction elements
    • 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
    • B29C45/27Sprue channels ; Runner channels or runner nozzles
    • 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
    • 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

Abstract

The present invention relates to a kind of injection mold more particularly to a kind of high injection mold and its operating methods, are used for mold.Including movable side mold and fixed side mold, the top of the movable side mold and the bottom of fixed side mold are in mating shape positioning.A kind of injection mold and its operating method are compact-sized, are promoted high in machining efficiency, improve product quality.

Description

A kind of injection mold and its operating method
Technical field
The present invention relates to a kind of injection mold more particularly to a kind of injection mold and its operating methods, are used for mold.
Background technique
Traditional injection mold structure is that front and back mould die sinking direction and ejection direction are consistent currently on the market.If should Mold uses traditional mould structure, this product is when being molded first time, be inserted through angle inadequate, product quality and the mold in the face A Quality will can not meet production requirement.If using the scheme for being inserted through angle of change product, product design personnel will occur Very big workload, product appearance and function will reduce.Therefore in die design stage, we will be using a kind of novel mould Lamps structure is met the requirements.
The shortcomings that traditional structure will will use oil cylinder to solve the problems, such as this, he generates is will to will increase 3-5 seconds in the period, mould Tool will increase, and purchase cost will be of equal value;Due to the use of oil cylinder, the greasy dirt that oil cylinder generates will be product qualification rate drop It is low, it will be deteriorated in the prestige of customers' place like that, it will reduce the market competitiveness.
Summary of the invention
The present invention mainly solves the deficiencies in the prior art, provides a kind of compact-sized, solves sliding block first Rear slider is completed in secondary injection molding will not generate movement, and after mold die sinking rotation, molding carries out second and is molded, and be molded for the second time Cheng Hou, sliding block will generate a kind of injection mold and its operating method of movement.
Above-mentioned technical problem of the invention is mainly to be addressed by following technical proposals:
A kind of injection mold, including movable side mold and fixed side mold, the top of the movable side mold and fixation The bottom of side mold is in mating shape positioning;
One end in the cavity of the movable side mold and fixed side mold is equipped at least one adapted to injection system, institute The other end in the movable side mold stated and the cavity of fixed side mold is equipped at least one quadric injection mould system;
A hot flow path component being connected with an adapted to injection system, the fixation are equipped in the fixed side mold The second heat flow channel component being connected with quadric injection mould system is equipped in side mold;
The movable side mold includes bottom plate and B plate, and the top of the bottom plate is equipped with B plate;The fixation side form Tool includes panel and A plate, and the bottom of the panel is equipped with the A plate matched with B plate;
Adapted to injection system is equal with quadric injection mould system structure;
Adapted to injection system includes that upper rear cavity, sliding block, take-up housing and lower rear cavity, the take-up housing are located at In B plate, the outer wall of the take-up housing is equipped with the sliding block being mutually slidably connected with take-up housing, and the outer wall of the upper end of slide block is equipped with Upper rear cavity, the outer wall of the sliding block lower end are equipped with lower rear cavity, are equipped with cylinder ejector component, institute in the lower rear cavity The bottom for the take-up housing stated is equipped with pressing plate, and the positioning bead with take-up housing phase activity orientation is equipped in the pressing plate;The A Shovel is equipped in plate, the top of the shovel is equipped with the inclined guide pillar being inserted into take-up housing;
It is equipped with a front cavity in adapted to injection system, is equipped with secondary preceding mould in the quadric injection mould system Benevolence, a front cavity respectively with upper rear cavity, lower rear cavity in mating shape distribution, the secondary front cavity respectively with In mating shape distribution, a front cavity and secondary front cavity are respectively provided in A plate for upper rear cavity, lower rear cavity;
The cylinder ejector component includes the Ejector Retainer Plate being located in B plate, and the top of the Ejector Retainer Plate is equipped with top Dial plate, the outer wall of the B plate are equipped with external oil cylinder, and the external oil cylinder drives Ejector Retainer Plate and thimble panel to carry out Bottom offset is equipped with back stitching in the B plate, and bottom and the Ejector Retainer Plate and thimble panel of the back stitching are fixed, time The upper end of needle stretches in lower rear cavity, and the top of the back stitching is equipped with the jacking block being embedded in lower rear cavity, the top Block is touched with a front cavity in movable, and the jacking block is touched with secondary front cavity in movable, the external oil cylinder Back stitching is driven to carry out upper and lower displacement;
Hot flow path component includes being located at the primary side hot flow path of A plate outer wall and being located at the primary of A plate top Upper hot flow path, the primary side hot flow path and primary upper hot flow path are connected with an adapted to injection system respectively;
The second heat flow channel component includes the secondary upper hot flow path for being located at A plate top.
Preferably, the back stitching and B plate are in 10 degree of skewed distributions, the bottom of the back stitching is inserted into thimble face In plate, the bolt being fastened with back stitching bottom is equipped in the Ejector Retainer Plate, the Ejector Retainer Plate and thimble panel are in incline Ramp-like distribution;Support department is equipped in the Ejector Retainer Plate and thimble panel, the support department is fixed in B plate.
Preferably, being equipped with inclined guide pillar in the take-up housing is inserted into notch, the two sides of the inclined guide pillar insertion notch Wall is respectively equipped with the block with inclined guide pillar phase elastic connection, and spring is equipped between the block and take-up housing;
In adapted to injection system in less than one time adapted to injection system of the width of inclined guide pillar between nature lower stopper Spacing, between the width of inclined guide pillar is greater than in an adapted to injection system between nature lower stopper in the quadric injection mould system Away from.
Preferably, the take-up housing and the inclined sliding of sliding block, it is equipped with T-slot in the take-up housing, it is described The sliding guide column being mutually slidably connected with T-slot is equipped in sliding block.
Preferably, one end in the cavity of the movable side mold and fixed side mold is equipped with two interruption-like point The other end in the cavity of adapted to injection system of cloth, the movable side mold and fixed side mold is interruption-like equipped with two The quadric injection mould system of distribution;
A kind of operating method of injection mold, sequentially includes the following steps:
(1), mold assembles:
1, fixed side mold assembling process:
A. several front cavitys are packed into A plate and are screwed;
B. inclined guide pillar is encased in inside shovel, then shovel is fixed on inside A plate;
C. it primary side hot flow path, once upper hot flow path, secondary upper hot flow path are encased in inside mold, is screwed It is good;
D. panel-mounted is got on, finally mold peripheral component: hot flow path socket, oil pipe and water route, catchment block, all It installs;
2, movable side mold assembling process:
A. take-up housing is fitted into B plate, shifts the reset condition of mold clamping onto, is then covered with pressing plate, with positioning bead It is positioned;
B. lower rear cavity is fitted into mold B plate, is screwed;
C. it is fitted into take-up housing from die face sliding block;
D. then upper rear cavity is packed into above B plate, is cooperated with sliding block;
E. the thimble panel of mold, contour set, back stitching and thimble part are packed into mold;
F. Ejector Retainer Plate is fixed on thimble panel;
G, bottom plate and square iron, support column, all assembly is got on;
H. support department insertion mold the inside in mold;Then external oil cylinder is fixed on inside mold
I. finally mold exterior part: limit switch, limit switch socket box, water swivel all connect;
(2), Tool and Die Technology is analyzed:
Mold uses tilting liftout attachment, reduces the work of research staff, shortens the research and development time, guarantees product function;It should Product by three kinds of different colours material product mix together, it is to be molded in three times in a mold, on automobile be A The looking products in grade face;For this product when being molded first time, the face A is inserted through that angle is inadequate, if added according to traditional structure Tool and mould, then product quality and die quality will can not meet production requirement;
This product is that there are three types of the product mixes of different colors together, the respectively end product a, the end product b and product c End, the end product a are covered on the upper surface of end product c, and the end product b is transparent mirror surface at the inside at the end product c, the end product c, the end a Product, surface requirements are very high;
The end product a, the end b are that have front cavity, and the closed area that upper rear cavity, lower rear cavity and sliding block are constituted, the end product a is The closed area being made of the end product c, the end b front cavity, upper rear cavity, lower rear cavity and sliding block;
There is back-off at the end product c in stripping direction, and rear mold is increased by sliding block to complete this structure;Since the end product c, the end a are fallen Poor big, front cavity and sliding block are inserted through angle very little, and ejection direction is rotated 10 °, i.e. the die sinking direction of mold and product ejection Direction is at 10 ° of angles, and the angle that is inserted through of front cavity and sliding block just increases 10 °, and phenomenon is pulled on the surface of such sliding block and front cavity It can be obtained by solution, the surface quality at the end product a can be protected;
Ejection direction rotates 10 °, and mold cannot use the top rod of injection molding machine to eject, and external oil cylinder is needed to be ejected, Back stitching, jacking block, Ejector Retainer Plate and ejector retainner plate panel just need to rotate 10 °,;Since the Impact direction of mold and die sinking direction are flat Capable, there is no need to rotate 10 ° for support column;
Mold is compact, short molding cycle, and sliding block reaches injection molding sliding block for the first time using mechanical structure and do not move, second of note Modeling is completed rear slider and is moved backward;Since this mold is the injection mold three times for rotating 180 °, when being molded first time, plastic cement is logical It crosses primary side hot flow path and the end product c is molded completion, plastic cement is molded the end product b by once upper hot flow path and completes;For the first time After the completion of injection molding, mold die sinking, inclined guide pillar and shovel and take-up housing separate, but sliding block and take-up housing akinesia, sliding block and Opposite movement is connected and carried out between take-up housing by T-slot;Second of injection molding completion simultaneously, inclined guide pillar and shovel and cunning Block separates, and the sliding block of inclined guide pillar driving at that time, take-up housing move backward;After drawer at movable side of mould rotates 180 degree, mold clamping, shovel Machine and inclined guide pillar driving sliding block, take-up housing move inward;Shovel and inclined guide pillar are inserted into inside sliding block simultaneously, and then mold is infused Modeling repeats identical movement;
When being molded for the first time, injection mold is opened inclined guide pillar movement, and sliding block is motionless, is being molded that side slide for the third time not Dynamic inclined guide pillar can be also inserted into inside sliding block;There is block inside take-up housing, has spring to its driving force behind block;Primary injection molding Inclined guide pillar in system drives the sliding block in an adapted to injection system to travel forward in mold clamping, and when die sinking does not drive take-up housing It moving, the inclined guide pillar in quadric injection mould system drives the sliding block in an adapted to injection system to travel forward in mold clamping, even if The sliding block in an adapted to injection system also can be inserted in inclined guide pillar in position quadric injection mould system when take-up housing is in molding state The inside;The take-up housing in an adapted to injection system can be driven to move when die sinking;
(3), Mould operation:
Mold is that molding three colors mold, the plastic material of two kinds of colors of first time molding form one kind for the second time twice The plastic material of color, shovel and inclined guide pillar in an adapted to injection system are to be fixed on molding preceding mould side for the first time, secondary injection Shovel and inclined guide pillar in moulding system are to be fixed on second of molding preceding mould side;
Before mold clamping, it is molded the sliding block of rear mold for the first time and take-up housing is to be in molding state, and be molded for the second time Sliding block and take-up housing are in die opening state, and thimble panel is in home position;Mold clamping, shovel in quadric injection mould system and Inclined guide pillar makes sliding block and take-up housing travel forward, and the shovel and inclined guide pillar insertion in an adapted to injection system are in home position Inside take-up housing, primary side hot flow path, once upper hot flow path, the hot mouth needle of secondary upper hot flow path are in the open state, and first Secondary that side of injection molding, plastic cement enter cavity closed region, mold pressure maintaining, heat by primary side hot flow path, primary upper hot runner system Runner needle-valve is closed, and product is cooling to be completed;
Simultaneously be molded that side for the second time, since the inside does not have the end product c, the end b, thus form for the second time that side suspend into Glue;Mold is opened, and the shovel and inclined guide pillar in an adapted to injection system directly disengage sliding block, and the width of inclined guide pillar is than inside take-up housing The distance between block is small, and take-up housing is since under the action of positioning bead, sliding block and take-up housing are remained stationary;While second Secondary that side shovel of injection molding and inclined guide pillar directly disengage take-up housing because the width of inclined guide pillar than between block inside take-up housing away from From big, and take-up housing moves backward under the driving of inclined guide pillar, and sliding block moves downward under the drive of take-up housing T-slot, sliding block After seat moves to certain distance, under the action of positioning bead, take-up housing stop motion;Drawer at movable side of mould continuation moves backward, Until drawer at movable side completely disengages affixed side, then drawer at movable side rotates 180 °, mold clamping, i.e. first time molding rear mold and second Secondary molding preceding mould cooperation, second of molding rear mold and preceding mould molding for the first time cooperate;
Shovel and inclined guide pillar are inserted directly into the take-up housing in home position, and inclined guide pillar is inserted into the interference of Shi Huiyu block, is tiltedly leading Under the action of column power, by the transmitting of block, subsequent spring is compressed, inclined guide pillar is enabled to pass through block entrance Inside to take-up housing, while block is returned to original position under the action of the spring;Shovel and inclined guide pillar are inserted directly into after movement The take-up housing of position, under the action of inclined guide pillar, take-up housing and sliding block move forward to the reset condition position of mold rear mold, tiltedly Guide post passes through the gap of the block of take-up housing;By the effect of air pressure, primary side hot flow path once goes up hot flow path, is secondary The hot mouth needle of upper hot flow path is fully open, is molded side for the first time, and plastic cement passes through primary side hot flow path, once upper hot runner system Into cavity closed region, mold pressure maintaining, hot-runner pin valve is closed, and product is cooling to be completed;
Second of injection molding side, plastic cement enter cavity closed region, mold pressure maintaining, hot flow path by secondary upper hot runner system Needle-valve is closed, and product is cooling to be completed;Mold die sinking, shovel and inclined guide pillar directly disengage take-up housing, and the width of inclined guide pillar compares sliding block The distance between seat the inside block is small, and take-up housing is since under the action of positioning bead, sliding block and take-up housing are remained stationary;Together When be molded that side shovel for the second time and inclined guide pillar directly disengages take-up housing because the width of inclined guide pillar than block inside take-up housing it Between distance it is big, and take-up housing moves backward under the driving of inclined guide pillar, and sliding block moves downward under the drive of take-up housing T-slot It is detached from the end product a, after take-up housing moves to certain distance, under the action of positioning bead, take-up housing stop motion, external oil cylinder Under the action of oil pressure, driving thimble panel ejects the assembly at the end product a, the end b, the end c by jacking block along back stitching direction, After the end product product a, the end b, the end c are taken out, external oil cylinder is retreated, and thimble panel and jacking block reset, and then mold rotates 180 °, into The row next period.
Therefore, a kind of injection mold of the invention and its operating method, it is compact-sized, it is promoted high in machining efficiency, improves and produce Product quality.
Detailed description of the invention
Fig. 1 is product first time injection structure schematic diagram in the present invention;
Fig. 2 is second of injection structure schematic diagram of product in the present invention;
Fig. 3 is the structural schematic diagram in the present invention after the completion of product injection molding;
Fig. 4 is schematic cross-sectional view of the invention;
Fig. 5 is the structural schematic diagram of movable side mold in Fig. 4;
Fig. 6 is the structural schematic diagram of fixed side mold in Fig. 4;
Fig. 7 is the structural schematic diagram of inclined guide pillar and take-up housing in the present invention;
Fig. 8 is the structural schematic diagram of sliding block and take-up housing in the present invention;
Fig. 9 is schematic perspective view of the invention.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment 1: shown in as shown in Figure 1, Figure 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, a kind of injection mold, including Movable side mold 1 and fixed side mold 2, the top of the movable side mold 1 and the bottom of fixed side mold 2 are fixed in mating shape Position;
One end in the cavity of the movable side mold 1 and fixed side mold 2 is equipped at least one adapted to injection system 3, the movable side mold 1 is equipped at least one quadric injection mould system 4 with the other end in the cavity of fixed side mold 2;
A hot flow path component being connected with an adapted to injection system 3 is equipped in the fixed side mold 2, described consolidates Determine to be equipped with the second heat flow channel component being connected with quadric injection mould system 4 in side mold 2;
The movable side mold 1 includes bottom plate 5 and B plate 6, and the top of the bottom plate 5 is equipped with B plate 6;The fixation Side mold 2 includes panel 7 and A plate 8, and the bottom of the panel 7 is equipped with the A plate 8 matched with B plate 6;
Adapted to injection system 3 is equal with 4 structure of quadric injection mould system;
Adapted to injection system 3 includes upper rear cavity 9, sliding block 10, take-up housing 11 and lower rear cavity 12, the cunning Block 11 is located in B plate 6, and the outer wall of the take-up housing 11 is equipped with the sliding block 10 being slidably connected with 11 phase of take-up housing, described The outer wall of 10 upper end of sliding block is equipped with upper rear cavity 9, and the outer wall of 10 lower end of sliding block is equipped with lower rear cavity 12, it is described it is lower after Cylinder ejector component is equipped in mode 12, the bottom of the take-up housing 11 is equipped with pressing plate 13, be equipped in the pressing plate 13 with The positioning bead 14 of 11 phase activity orientation of take-up housing;Shovel 15 is equipped in the A plate 8, the top of the shovel 15 is equipped with The inclined guide pillar 16 being inserted into take-up housing 11;
A front cavity 17 is equipped in adapted to injection system 3, be equipped in the quadric injection mould system 4 it is secondary before Mode 18, a front cavity 17 respectively with upper rear cavity 9, lower rear cavity 12 in mating shape distribution, it is described it is secondary before Mode 18 is respectively with upper rear cavity 9, lower rear cavity 12 in mating shape distribution, a front cavity 17 and secondary front cavity 18 It is respectively provided in A plate 8;
The cylinder ejector component includes the Ejector Retainer Plate 19 being located in B plate 6, and the top of the Ejector Retainer Plate 19 is set There is thimble panel 20, the outer wall of the B plate 6 is equipped with external oil cylinder 21, and the external oil cylinder 21 drives 19 He of Ejector Retainer Plate Thimble panel 20 carries out upper and lower displacement, and back stitching 22, the bottom of the back stitching 22 and Ejector Retainer Plate 19 are equipped in the B plate 6 Fixed with thimble panel 20, the upper end of the back stitching 22 stretches in lower rear cavity 12, and the top of the back stitching 22 is equipped with The jacking block 23 being embedded in lower rear cavity 12, the jacking block 23 are touched with a front cavity 17 in movable, the jacking block 23 touch with secondary front cavity 18 in movable, and the external oil cylinder 21 drives back stitching 22 to carry out upper and lower displacement;
Hot flow path component includes being located at the primary side hot flow path 24 of 8 outer wall of A plate and being located at 8 top of A plate Once upper hot flow path 25, the primary side hot flow path 24 and primary upper hot flow path 25 are connected with an adapted to injection system 3 respectively;
The second heat flow channel component includes the secondary upper hot flow path 26 for being located at 8 top of A plate.
The back stitching 22 and B plate 6 is in 10 degree of skewed distributions, and the bottom of the back stitching 22 is inserted into thimble panel 20 In, the bolt being fastened with 22 bottom of back stitching, the Ejector Retainer Plate 19 and thimble panel are equipped in the Ejector Retainer Plate 19 20 oblique distributions;Support department 27 is equipped in the Ejector Retainer Plate 19 and thimble panel 20, the support department 27 is fixed on B plate In 6.
It is equipped with inclined guide pillar in the take-up housing 11 and is inserted into notch 28, the two sidewalls point of the inclined guide pillar insertion notch 28 Spring 30 She You not be equipped between the block 29 and take-up housing 11 with the block 29 of 16 phase elastic connection of inclined guide pillar;
Nature lower stopper in less than one time adapted to injection system 3 of the width of inclined guide pillar 16 in adapted to injection system 3 Spacing between 29, the width of inclined guide pillar 16 is greater than nature lower block in an adapted to injection system 3 in the quadric injection mould system 4 Spacing between block 29.
The take-up housing 11 and the inclined sliding of sliding block 10 are equipped with T-slot 31, the cunning in the take-up housing 11 The sliding guide column 32 being slidably connected with 31 phase of T-slot is equipped in block 10.
One end in the cavity of the movable side mold 1 and fixed side mold 2 is equipped with the one of two interruption-like distributions The other end in the cavity of secondary adapted to injection system 3, the movable side mold 1 and fixed side mold 2 is equipped with two interruption-like point The quadric injection mould system 4 of cloth;
A kind of operating method of injection mold, sequentially includes the following steps:
(1), mold assembles:
1, fixed side mold assembling process:
A. several front cavitys are packed into A plate and are screwed;
B. inclined guide pillar is encased in inside shovel, then shovel is fixed on inside A plate;
C. it primary side hot flow path, once upper hot flow path, secondary upper hot flow path are encased in inside mold, is screwed It is good;
D. panel-mounted is got on, finally mold peripheral component: hot flow path socket, oil pipe and water route, catchment block, all It installs;
2, movable side mold assembling process:
A. take-up housing is fitted into B plate, shifts the reset condition of mold clamping onto, is then covered with pressing plate, with positioning bead It is positioned;
B. lower rear cavity is fitted into mold B plate, is screwed;
C. it is fitted into take-up housing from die face sliding block;
D. then upper rear cavity is packed into above B plate, is cooperated with sliding block;
E. the thimble panel of mold, contour set, back stitching and thimble part are packed into mold;
F. Ejector Retainer Plate is fixed on thimble panel;
G, bottom plate and square iron, support column, all assembly is got on;
H. support department insertion mold the inside in mold;Then external oil cylinder is fixed on inside mold
I. finally mold exterior part: limit switch, limit switch socket box, water swivel all connect;
(2), Tool and Die Technology is analyzed:
Mold uses tilting liftout attachment, reduces the work of research staff, shortens the research and development time, guarantees product function;It should Product by three kinds of different colours material product mix together, it is to be molded in three times in a mold, on automobile be A The looking products in grade face;For this product when being molded first time, the face A is inserted through that angle is inadequate, if added according to traditional structure Tool and mould, then product quality and die quality will can not meet production requirement;
This product is that there are three types of the product mixes of different colors together, the respectively end product a, the end product b and product c End, the end product a are covered on the upper surface of end product c, and the end product b is transparent mirror surface at the inside at the end product c, the end product c, the end a Product, surface requirements are very high;
The end product a, the end b are that have front cavity, and the closed area that upper rear cavity, lower rear cavity and sliding block are constituted, the end product a is The closed area being made of the end product c, the end b front cavity, upper rear cavity, lower rear cavity and sliding block;
There is back-off at the end product c in stripping direction, and rear mold is increased by sliding block to complete this structure;Since the end product c, the end a are fallen Poor big, front cavity and sliding block are inserted through angle very little, and ejection direction is rotated 10 °, i.e. the die sinking direction of mold and product ejection Direction is at 10 ° of angles, and the angle that is inserted through of front cavity and sliding block just increases 10 °, and phenomenon is pulled on the surface of such sliding block and front cavity It can be obtained by solution, the surface quality at the end product a can be protected;
Ejection direction rotates 10 °, and mold cannot use the top rod of injection molding machine to eject, and external oil cylinder is needed to be ejected, Back stitching, jacking block, Ejector Retainer Plate and ejector retainner plate panel just need to rotate 10 °,;Since the Impact direction of mold and die sinking direction are flat Capable, there is no need to rotate 10 ° for support column;
Mold is compact, short molding cycle, and sliding block reaches injection molding sliding block for the first time using mechanical structure and do not move, second of note Modeling is completed rear slider and is moved backward;Since this mold is the injection mold three times for rotating 180 °, when being molded first time, plastic cement is logical It crosses primary side hot flow path and the end product c is molded completion, plastic cement is molded the end product b by once upper hot flow path and completes;For the first time After the completion of injection molding, mold die sinking, inclined guide pillar and shovel and take-up housing separate, but sliding block and take-up housing akinesia, sliding block and Opposite movement is connected and carried out between take-up housing by T-slot;Second of injection molding completion simultaneously, inclined guide pillar and shovel and cunning Block separates, and the sliding block of inclined guide pillar driving at that time, take-up housing move backward;After drawer at movable side of mould rotates 180 degree, mold clamping, shovel Machine and inclined guide pillar driving sliding block, take-up housing move inward;Shovel and inclined guide pillar are inserted into inside sliding block simultaneously, and then mold is infused Modeling repeats identical movement;
When being molded for the first time, injection mold is opened inclined guide pillar movement, and sliding block is motionless, is being molded that side slide for the third time not Dynamic inclined guide pillar can be also inserted into inside sliding block;There is block inside take-up housing, has spring to its driving force behind block;Primary injection molding Inclined guide pillar in system drives the sliding block in an adapted to injection system to travel forward in mold clamping, and when die sinking does not drive take-up housing It moving, the inclined guide pillar in quadric injection mould system drives the sliding block in an adapted to injection system to travel forward in mold clamping, even if The sliding block in an adapted to injection system also can be inserted in inclined guide pillar in position quadric injection mould system when take-up housing is in molding state The inside;The take-up housing in an adapted to injection system can be driven to move when die sinking;
(3), Mould operation:
Mold is that molding three colors mold, the plastic material of two kinds of colors of first time molding form one kind for the second time twice The plastic material of color, shovel and inclined guide pillar in an adapted to injection system are to be fixed on molding preceding mould side for the first time, secondary injection Shovel and inclined guide pillar in moulding system are to be fixed on second of molding preceding mould side;
Before mold clamping, it is molded the sliding block of rear mold for the first time and take-up housing is to be in molding state, and be molded for the second time Sliding block and take-up housing are in die opening state, and thimble panel is in home position;Mold clamping, shovel in quadric injection mould system and Inclined guide pillar makes sliding block and take-up housing travel forward, and the shovel and inclined guide pillar insertion in an adapted to injection system are in home position Inside take-up housing, primary side hot flow path, once upper hot flow path, the hot mouth needle of secondary upper hot flow path are in the open state, and first Secondary that side of injection molding, plastic cement enter cavity closed region, mold pressure maintaining, heat by primary side hot flow path, primary upper hot runner system Runner needle-valve is closed, and product is cooling to be completed;
Simultaneously be molded that side for the second time, since the inside does not have the end product c, the end b, thus form for the second time that side suspend into Glue;Mold is opened, and the shovel and inclined guide pillar in an adapted to injection system directly disengage sliding block, and the width of inclined guide pillar is than inside take-up housing The distance between block is small, and take-up housing is since under the action of positioning bead, sliding block and take-up housing are remained stationary;While second Secondary that side shovel of injection molding and inclined guide pillar directly disengage take-up housing because the width of inclined guide pillar than between block inside take-up housing away from From big, and take-up housing moves backward under the driving of inclined guide pillar, and sliding block moves downward under the drive of take-up housing T-slot, sliding block After seat moves to certain distance, under the action of positioning bead, take-up housing stop motion;Drawer at movable side of mould continuation moves backward, Until drawer at movable side completely disengages affixed side, then drawer at movable side rotates 180 °, mold clamping, i.e. first time molding rear mold and second Secondary molding preceding mould cooperation, second of molding rear mold and preceding mould molding for the first time cooperate;
Shovel and inclined guide pillar are inserted directly into the take-up housing in home position, and inclined guide pillar is inserted into the interference of Shi Huiyu block, is tiltedly leading Under the action of column power, by the transmitting of block, subsequent spring is compressed, inclined guide pillar is enabled to pass through block entrance Inside to take-up housing, while block is returned to original position under the action of the spring;Shovel and inclined guide pillar are inserted directly into after movement The take-up housing of position, under the action of inclined guide pillar, take-up housing and sliding block move forward to the reset condition position of mold rear mold, tiltedly Guide post passes through the gap of the block of take-up housing;By the effect of air pressure, primary side hot flow path once goes up hot flow path, is secondary The hot mouth needle of upper hot flow path is fully open, is molded side for the first time, and plastic cement passes through primary side hot flow path, once upper hot runner system Into cavity closed region, mold pressure maintaining, hot-runner pin valve is closed, and product is cooling to be completed;
Second of injection molding side, plastic cement enter cavity closed region, mold pressure maintaining, hot flow path by secondary upper hot runner system Needle-valve is closed, and product is cooling to be completed;Mold die sinking, shovel and inclined guide pillar directly disengage take-up housing, and the width of inclined guide pillar compares sliding block The distance between seat the inside block is small, and take-up housing is since under the action of positioning bead, sliding block and take-up housing are remained stationary;Together When be molded that side shovel for the second time and inclined guide pillar directly disengages take-up housing because the width of inclined guide pillar than block inside take-up housing it Between distance it is big, and take-up housing moves backward under the driving of inclined guide pillar, and sliding block moves downward under the drive of take-up housing T-slot It is detached from the end product a, after take-up housing moves to certain distance, under the action of positioning bead, take-up housing stop motion, external oil cylinder Under the action of oil pressure, driving thimble panel ejects the assembly at the end product a, the end b, the end c by jacking block along back stitching direction, After the end product product a, the end b, the end c are taken out, external oil cylinder is retreated, and thimble panel and jacking block reset, and then mold rotates 180 °, into The row next period.

Claims (5)

1. a kind of injection mold, it is characterised in that: including movable side mold (1) and fixed side mold (2), the movable side form Has the top of (1) and the bottom of fixed side mold (2) in mating shape positioning;
One end in the cavity of the movable side mold (1) and fixed side mold (2) is equipped at least one adapted to injection system (3), the other end in the movable side mold (1) and the cavity of fixed side mold (2) is equipped at least one quadric injection mould system It unites (4);
A hot flow path component being connected with an adapted to injection system (3) is equipped in the fixed side mold (2), described consolidates Determine to be equipped with the second heat flow channel component being connected with quadric injection mould system (4) in side mold (2);
The movable side mold (1) includes bottom plate (5) and B plate (6), and the top of the bottom plate (5) is equipped with B plate (6);It is described Fixed side mold (2) include panel (7) and A plate (8), the bottom of the panel (7) is equipped with the A plate matched with B plate (6) (8);
Adapted to injection system (3) is equal with quadric injection mould system (4) structure;
Adapted to injection system (3) includes upper rear cavity (9), sliding block (10), take-up housing (11) and lower rear cavity (12), institute The take-up housing (11) stated is located in B plate (6), and the outer wall of the take-up housing (11) is equipped with mutually to be slidably connected with take-up housing (11) The outer wall of sliding block (10), the sliding block (10) upper end is equipped with upper rear cavity (9), and the outer wall of the sliding block (10) lower end is equipped with Lower rear cavity (12) is equipped with cylinder ejector component in the lower rear cavity (12), and the bottom of the take-up housing (11) is equipped with Pressing plate (13) is equipped with the positioning bead (14) with take-up housing (11) phase activity orientation in the pressing plate (13);The A plate (8) shovel (15) are equipped in, the top of the shovel (15) is equipped with the inclined guide pillar (16) being inserted into take-up housing (11);
It is equipped with a front cavity (17) in adapted to injection system (3), is equipped in the quadric injection mould system (4) secondary Front cavity (18), a front cavity (17) is respectively with upper rear cavity (9), lower rear cavity (12) in mating shape distribution, institute The secondary front cavity (18) stated is respectively with upper rear cavity (9), lower rear cavity (12) in mating shape distribution, a front cavity (17) it is respectively provided in A plate (8) with secondary front cavity (18);
The cylinder ejector component includes the Ejector Retainer Plate (19) being located in B plate (6), the top of the Ejector Retainer Plate (19) Equipped with thimble panel (20), the outer wall of the B plate (6) is equipped with external oil cylinder (21), and the external oil cylinder (21) drives top Needle bottom plate (19) and thimble panel (20) carry out upper and lower displacement, are equipped with back stitching (22) in the B plate (6), the back stitching (22) bottom and Ejector Retainer Plate (19) and thimble panel (20) is fixed, and the upper end of the back stitching (22) stretches to lower rear cavity (12) in, the top of the back stitching (22) is equipped with the jacking block (23) being embedded in lower rear cavity (12), the jacking block (23) It is touched with a front cavity (17) in movable, the jacking block (23) is touched with secondary front cavity (18) in movable, described External oil cylinder (21) drive back stitching (22) carry out upper and lower displacement;
Hot flow path component includes being located at the primary side hot flow path (24) of A plate (8) outer wall and being located at A plate (8) top Primary upper hot flow path (25), the primary side hot flow path (24) and it is primary on hot flow path (25) respectively with an adapted to injection system (3) it is connected;
The second heat flow channel component includes the secondary upper hot flow path (26) for being located at A plate (8) top;
The back stitching (22) and B plate (6) is in 10 degree of skewed distributions, and the bottom of the back stitching (22) is inserted into thimble panel (20) in, the bolt being fastened with back stitching (22) bottom, the Ejector Retainer Plate (19) are equipped in the Ejector Retainer Plate (19) It is obliquely distributed with thimble panel (20);Support department (27) are equipped in the Ejector Retainer Plate (19) and thimble panel (20), institute The support department (27) stated is fixed in B plate (6).
2. a kind of injection mold according to claim 1, it is characterised in that: be equipped with inclined guide pillar in the take-up housing (11) It is inserted into notch (28), the two sidewalls of described inclined guide pillar insertion notch (28) are respectively equipped with to be flexible connection with inclined guide pillar (16) Block (29) is equipped with spring (30) between the block (29) and take-up housing (11);
Nature lower block in less than one time adapted to injection system (3) of width of inclined guide pillar (16) in adapted to injection system (3) Spacing between block (29), in the quadric injection mould system (4) width of inclined guide pillar (16) be greater than in an adapted to injection system (3) from Spacing between right state lower stopper (29).
3. a kind of injection mold according to claim 1 or 2, it is characterised in that: the take-up housing (11) and sliding block (10) inclined sliding is equipped with T-slot (31) in the take-up housing (11), is equipped in the sliding block (10) and T-slot (31) sliding guide column (32) being mutually slidably connected.
4. a kind of injection mold according to claim 1 or 2, it is characterised in that: the movable side mold (1) and fixation One end in the cavity of side mold (2) is equipped with an adapted to injection system (3) of two interruption-like distributions, the movable side mold (1) the quadric injection mould system (4) of two interruption-like distributions is equipped with the other end in the cavity of fixed side mold (2).
5. a kind of operating method of injection mold according to claim 1 or 2, it is characterised in that sequentially include the following steps:
(1), mold assembles:
1, fixed side mold assembling process:
A. several front cavitys are packed into A plate and are screwed;
B. inclined guide pillar is encased in inside shovel, then shovel is fixed on inside A plate;
C. it primary side hot flow path, once upper hot flow path, secondary upper hot flow path are encased in inside mold, is screwed;
D. panel-mounted is got on, finally mold peripheral component: hot flow path socket, oil pipe and water route, catchment block, all installs Up;
2, movable side mold assembling process:
A. take-up housing is fitted into B plate, shifts the reset condition of mold clamping onto, is then covered with pressing plate,
It is positioned with positioning bead;
B. lower rear cavity is fitted into mold B plate, is screwed;
C. it is fitted into take-up housing from die face sliding block;
D. then upper rear cavity is packed into above B plate, is cooperated with sliding block;
E. the thimble panel of mold, contour set, back stitching and thimble part are packed into mold;
F. Ejector Retainer Plate is fixed on thimble panel;
G, bottom plate and square iron, support column, all assembly is got on;
H. support department insertion mold the inside in mold;Then external oil cylinder is fixed on inside mold
I. finally mold exterior part: limit switch, limit switch socket box, water swivel all connect;
(2), Tool and Die Technology is analyzed:
Mold uses tilting liftout attachment;Product by three kinds of different colours material product mix together, in a mold it It is to be molded in three times, is the looking products in A grades of faces on automobile;
This product is that there are three types of the product mixes of different colors together, the respectively end product a, the end product b and the end product c, The end product a is covered on the upper surface of end product c, and in the inside at the end product c, the end product c, the end a are that transparent mirror surface produces at the end product b Product;
The end product a, the end b are the closed areas being made of front cavity, upper rear cavity, lower rear cavity and sliding block;
There is back-off at the end product c in stripping direction, and rear mold is increased by sliding block to complete this structure;Since the end product c, the end a drop are big, Front cavity and sliding block are inserted through angle very little, and ejection direction is rotated 10 °, i.e., the die sinking direction of mold and product ejection direction at The angle that is inserted through of 10 ° of angles, front cavity and sliding block just increases 10 °;
Ejection direction rotates 10 °, needs external oil cylinder to be ejected, back stitching, jacking block, Ejector Retainer Plate and ejector retainner plate panel just need Rotation 10 °, due to mold Impact direction be opened direction be it is parallel, there is no need to rotate 10 ° for support column;
Sliding block reaches injection molding sliding block for the first time using mechanical structure and does not move, and second of injection molding is completed rear slider and moved backward;By It is the injection mold three times for rotating 180 ° in this mold, when being molded first time, plastic cement is by primary side hot flow path the end product c Injection molding is completed, and plastic cement is molded the end product b by once upper hot flow path and completes;After the completion of being molded for the first time, mold die sinking is tiltedly led Column and shovel and take-up housing separate, but sliding block and take-up housing akinesia, are connected between sliding block and take-up housing by T-slot The opposite movement with carrying out;Second of injection molding is completed simultaneously, and inclined guide pillar and shovel and take-up housing separate, and inclined guide pillar driving at that time is slided Block, take-up housing move backward;After drawer at movable side of mould rotates 180 degree, mold clamping, shovel and inclined guide pillar drive sliding block, take-up housing It moves inward;Shovel and inclined guide pillar are inserted into inside sliding block simultaneously, then mold injection, repeat identical movement;
When being molded for the first time, injection mold is opened inclined guide pillar movement, and sliding block is motionless, motionless tiltedly being molded that side slide for the third time Guide post can be also inserted into inside sliding block;There is block inside take-up housing, has spring to its driving force behind block;Adapted to injection system In inclined guide pillar drive the sliding block in an adapted to injection system to travel forward in mold clamping, when die sinking, does not drive take-up housing to transport Dynamic, the inclined guide pillar in quadric injection mould system drives the sliding block in an adapted to injection system to travel forward in mold clamping, even if sliding Inclined guide pillar also can be inserted in the sliding block in an adapted to injection system in position quadric injection mould system when block is in molding state Face;The take-up housing in an adapted to injection system can be driven to move when die sinking;
(3), Mould operation:
Mold is that molding three colors mold, the plastic material of two kinds of colors of first time molding form a kind of color for the second time twice Plastic material, shovel and inclined guide pillar in an adapted to injection system are to be fixed on molding preceding mould side for the first time, quadric injection mould system Shovel and inclined guide pillar in system are to be fixed on second of molding preceding mould side;
Before mold clamping, it is molded the sliding block of rear mold for the first time and take-up housing is and the sliding block being molded for the second time in molding state It is in die opening state with take-up housing, thimble panel is in home position;Mold clamping, shovel in quadric injection mould system and tiltedly leads Column makes sliding block and take-up housing travel forward, and the shovel and inclined guide pillar insertion in an adapted to injection system are in the sliding block in home position Seat the inside, primary side hot flow path, once upper hot flow path, the hot mouth needle of secondary upper hot flow path are in the open state, infuse for the first time That side is moulded, plastic cement enters cavity closed region, mold pressure maintaining, hot flow path by primary side hot flow path, primary upper hot runner system Needle-valve is closed, and product is cooling to be completed;
It is molded that side for the second time simultaneously, since the inside does not have the end product c, the end b, suspends so forming that side for the second time into glue;Mould Tool is opened, and the shovel and inclined guide pillar in an adapted to injection system directly disengage sliding block, and the width of inclined guide pillar is than block inside take-up housing The distance between it is small, and take-up housing is since under the action of positioning bead, sliding block and take-up housing are remained stationary;It infuses for second simultaneously It moulds that side shovel and inclined guide pillar directly disengages take-up housing, because the width of inclined guide pillar is than the distance between block inside take-up housing Greatly, and take-up housing moves backward under the driving of inclined guide pillar, and sliding block moves downward under the drive of take-up housing T-slot, take-up housing After moving to certain distance, under the action of positioning bead, take-up housing stop motion;Drawer at movable side of mould continuation moves backward, directly Completely disengage affixed side to drawer at movable side, then drawer at movable side rotates 180 °, mold clamping, i.e., for the first time molding rear mold with second Molding preceding mould cooperation, second of molding rear mold and preceding mould molding for the first time cooperate;
Shovel and inclined guide pillar are inserted directly into the take-up housing in home position, and inclined guide pillar is inserted into the interference of Shi Huiyu block, in inclined guide pillar power Under the action of, by the transmitting of block, subsequent spring is compressed, enables inclined guide pillar to pass through block and enters cunning Inside block, while block is returned to original position under the action of the spring;Shovel and inclined guide pillar are inserted directly into post-movement position Take-up housing, under the action of inclined guide pillar, take-up housing and sliding block move forward to the reset condition position of mold rear mold, inclined guide pillar Pass through the gap of the block of take-up housing;By the effect of air pressure, primary side hot flow path, once upper hot flow path, secondary upper heat The hot mouth needle of runner is fully open, is molded side for the first time, and plastic cement is entered by primary side hot flow path, primary upper hot runner system Cavity closed region, mold pressure maintaining, hot-runner pin valve are closed, and product is cooling to be completed;
Second of injection molding side, plastic cement enter cavity closed region, mold pressure maintaining, hot-runner pin valve by secondary upper hot runner system It closes, product is cooling to be completed;Mold die sinking, shovel and inclined guide pillar directly disengage take-up housing, and the width of inclined guide pillar is than in take-up housing The distance between face block is small, and take-up housing is since under the action of positioning bead, sliding block and take-up housing are remained stationary;While the That side shovel of quadric injection mould and inclined guide pillar directly disengage take-up housing, because the width of inclined guide pillar is than between block inside take-up housing Distance is big, and take-up housing moves backward under the driving of inclined guide pillar, and sliding block moves downward disengaging under the drive of take-up housing T-slot The end product a, after take-up housing moves to certain distance, under the action of positioning bead, take-up housing stop motion, external oil cylinder is in oil Under the action of pressure, driving thimble panel ejects the assembly at the end product a, the end b, the end c by jacking block along back stitching direction, product After the end a, the end b, the end c are taken out, external oil cylinder is retreated, and thimble panel and jacking block reset, and then mold rotates 180 °, carries out next week Phase.
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CN108407227A (en) * 2018-03-14 2018-08-17 江苏星科精密模具有限公司 A kind of high-mount stop lamp mold and injection molding machine and its working method
CN114347390A (en) * 2021-12-30 2022-04-15 东莞烨嘉电子科技有限公司 Injection mold of polychrome plastic part
CN116834210B (en) * 2023-08-31 2023-11-28 赫比(成都)精密塑胶制品有限公司 Composite angle ejection double-color die and injection molding machine

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