CN110126222A - A kind of mold and its injection moulding process of novel flow channel structure - Google Patents
A kind of mold and its injection moulding process of novel flow channel structure Download PDFInfo
- Publication number
- CN110126222A CN110126222A CN201910284808.XA CN201910284808A CN110126222A CN 110126222 A CN110126222 A CN 110126222A CN 201910284808 A CN201910284808 A CN 201910284808A CN 110126222 A CN110126222 A CN 110126222A
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- Prior art keywords
- sleeve
- runner
- thimble
- mold
- sliding block
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 21
- 230000000630 rising effect Effects 0.000 claims abstract description 29
- 230000000712 assembly Effects 0.000 claims abstract description 17
- 238000000429 assembly Methods 0.000 claims abstract description 17
- 239000000758 substrate Substances 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 20
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 3
- 230000009189 diving Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims description 2
- 241000283690 Bos taurus Species 0.000 claims description 2
- 230000013011 mating Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 12
- 239000000243 solution Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
- B29C45/4435—Removing or ejecting moulded articles for undercut articles using inclined, tiltable or flexible undercut forming elements driven by the ejector means
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of molds of novel flow channel structure, include upper mold and lower mold assemblies, and lower mold assemblies include sliding block；Between upper mold and sliding block, setting type chamber and runner；Runner includes sprue and at least two runners；Lower mold assemblies further include having sleeve, and sliding block is provided with the through-hole of connection sleeve, and sleeve upper end is connected to runner, and the diameter of axle of sleeve upper end is less than the diameter of axle in the middle part of sleeve；Thimble is plugged in sleeve, thimble can protrude out sleeve when rising, the rising of thimble is for driving runner far from sliding block.After the completion of injection molding, runner molded part wraps up sleeve, the stable and firm socket sleeve upper end of runner molded part after the completion of preferable back-off structure, injection molding, runner molded part is stained with mould and damages product when upper mold being prevented to be opened, and skids when runner molded part being prevented to be ejected and damages product；Mating sleeve stroke realizes product when thimble continues upper top and runner molded part is divided automatically, runner molded part automatically disengages sleeve.
Description
Technical field
The present invention relates to a kind of molds, more particularly, to the mold and its injection moulding process of a kind of novel flow channel structure.
Background technique
In tradition setting, it is easy to appear runner molded part sticking mould, is easy when runner molded part is ejected to skid and destroy
Product；When longer rubber column gel column is set on runner molded part, and sizing material is wasted, increases cost, not environmentally and is easy to produce viscose glue powder
Problem.
Summary of the invention
In order to overcome the deficiencies of the prior art, solve the problems, such as that runner molded part is not easy ejection and product is easy breakage, this
Invention the technical solution adopted is that:
A kind of injection moulding process, step a, upper mold and lower mold assemblies mold；
Step b, by the filling material of gum-injecting port, material is poured into along sprue and is poured by runner to type chamber；Sliding block is set
It is equipped with the through-hole for connecting sleeve, sleeve upper end is connected to runner, and the diameter of axle of sleeve upper end is less than the diameter of axle in the middle part of sleeve,
A space is formed between sleeve upper end and through-hole；When the injection molding of type chamber is completed, which is filled into material, the partial material shape
The lantern ring in sleeve upper end portion is buckled at one；
Step c, upper mold are upwardly away from and are opened；
Liftable thimble is plugged in sleeve, thimble can protrude out sleeve when rising；Step d, movable part drive thimble
Rise, thimble jacks up runner molded part upwards, the connection of shaped article and runner molded part be cut off open, the set of runner molded part
Loop section band moving sleeve is synchronous to be risen；
The position limiting structure for limiting sleeve upward stroke is provided on mold；Step d, position limiting structure locking sleeve it is upper
When rising, the part of the connection lantern ring of sleeve is higher by sliding block；Step e, the rising of position limiting structure locking sleeve, thimble drive runner at
Type part continues to rise, and runner molded part progressively disengages sleeve upper end；
Step f, the lower end of the second flange of push rod abuts the second hollow hole lower end, movable part drives on thimble and push rod
It rises, thimble is synchronous with sliding block to be risen；Step g pushes up product on mandril, and product is made to be detached from sliding block, and product is taken away；Step d into g,
After runner molded part is detached from sliding block, runner molded part is taken away.
Another specific embodiment according to the present invention, further has, the diameter of axle of the output end of the runner, along object
Direction of flow gradually becomes smaller.
Another specific embodiment according to the present invention, further has, the shape of the output end of the runner, is ox
Angular, diving one of mouth and taper.
Another specific embodiment according to the present invention, further has, the runner along Flow of Goods and Materials direction successively
Including horizontal run and oblique runner；Oblique runner toward type chamber for being fed diagonally downward；The oblique runner is connected to level stream
The lower position of the output end in road；The upper side position of the output end of horizontal run is in salient angle.
Another specific embodiment according to the present invention, further has, and the upper end of the sleeve is provided with recess portion；It should
The opening direction of recess portion is upward；Thimble can protrude out the bottom surface of recess portion when rising.
Another specific embodiment according to the present invention, further has, and there are two the runner settings, recess portion U
The upper end of type notch or v-notch, sleeve forms two branch angles；When with molding, the upper end at branch angle abuts upper mold.
A kind of mold of novel flow channel structure, includes upper mold and lower mold assemblies, and lower mold assemblies include sliding block；Upper mold and
Link position between sliding block；It is provided with type chamber and runner；Runner includes that the sprue for being disposed thereon end and setting exist
At least two runners of side direction, sprue are communicated with gum-injecting port, one end communicate-type chamber of the separate sprue of runner, type
Chamber is correspondingly arranged with runner；Sliding block is provided with the through-hole of connection sleeve, and sleeve upper end is connected to runner, the axis of sleeve upper end
Diameter is less than the diameter of axle in the middle part of sleeve；Thimble is plugged in sleeve, thimble can protrude out sleeve when rising, lower mold base plate setting is useful
In the position limiting structure for limiting sleeve upward stroke, the rising of thimble is for driving runner molded part far from product and for driving
Runner molded part is detached from sleeve；Sliding block is connected with push rod, and push rod is used for band movable slider and rises, and push rod and thimble connect same activity
Part；Movable part is provided with the clearance position for postponing push rod rising, and push rod is later than thimble rising.
Another specific embodiment according to the present invention, further has, and the middle part or lower end of the sleeve are provided with
One flange, position limiting structure are the first hollow hole slid for accommodating the first flange that lower mold base plate is arranged in, and sleeve is by first
Hollow hole protrudes upward；The middle part or lower end of push rod are provided with the second flange, and movable part is provided with sliding for accommodating the second flange
The second hollow hole moved, push rod is by the upward convex stretching movable part of the second hollow hole；When upper mold and sliding block mold, the first flange upper end
With the first hollow hole upper end distance L1, the second flange lower end and the second hollow hole lower end distance L2, and L1<L2；Second flange
Clearance position of the spacing of lower end and the second hollow hole lower end as putter action, the second flange lower end abuts the second hollow hole lower end
When, movable part can drive push rod to rise.
Another specific embodiment according to the present invention, further has, and the lower mold base plate includes detachable connected
The link position between upper substrate and lower substrate is arranged in upper substrate and lower substrate, the first hollow hole；Upper substrate and lower substrate
It separates, for dismounting sleeve；When upper substrate and lower substrate separate, the drawable upper substrate of sleeve and lower substrate.
Another specific embodiment according to the present invention, further has, and the movable part includes upper plate and lower plate, and
The link position between upper plate and lower plate is arranged in two centre bores；Upper plate and lower plate separate, for dismounting push rod；Upper plate and under
When plate separates, the drawable upper plate of push rod and lower plate.
A kind of mold for novel flow channel structure that the present invention uses, after the completion of having the advantages that injection molding, runner at
Type part wraps up sleeve, and the stable and firm socket sleeve upper end of runner molded part, prevents after the completion of preferable back-off structure, injection molding
Runner molded part is stained with mould and damages product when mould is opened, and skids when runner molded part being prevented to be ejected and damages product；Cooperation
Barrel stroke is covered, product is realized when thimble continues upper top and runner molded part is divided automatically, runner molded part automatically disengages sleeve.
Detailed description of the invention
Fig. 1 is the first state schematic diagram of die sinking process of the present invention；
Fig. 2 is the second status diagram of die sinking process of the present invention；
Fig. 3 is the third state schematic diagram of die sinking process of the present invention；
Fig. 4 is the 4th status diagram of die sinking process of the present invention；
Fig. 5 is the 5th status diagram of die sinking process of the present invention；
Fig. 6 is the 6th status diagram of die sinking process of the present invention；
Fig. 7 A is the A of Fig. 1 of the present invention1Locate partial enlarged view；
Fig. 7 B is the A of Fig. 3 of the present invention2Locate structural schematic diagram；
Fig. 7 C is the A of Fig. 4 of the present invention3Structural schematic diagram；
Fig. 8 A is the B of Fig. 1 of the present invention1Locate partial enlarged view；
Fig. 8 B is the B of Fig. 3 of the present invention2Locate structural schematic diagram；
Fig. 8 C is the B of Fig. 4 of the present invention3Locate structural schematic diagram；
Fig. 9 A is the C of Fig. 1 of the present invention1Locate partial enlarged view；
Fig. 9 B is the C of Fig. 3 of the present invention2Locate structural schematic diagram；
Fig. 9 C is the C of Fig. 4 of the present invention3Structural schematic diagram；
Figure 10 is the first viewing angle constructions schematic diagram of runner of the present invention；
Figure 11 is the second viewing angle constructions schematic diagram of runner of the present invention；
Figure 12 is the structural schematic diagram of sleeve of the present invention.
Specific embodiment
Below in conjunction with attached drawing, specific embodiments of the present invention will be described in further detail.
As shown in Fig. 1 to Fig. 6, Fig. 7 A to Fig. 7 C, Fig. 8 A to Fig. 8 B, a kind of mold of novel flow channel structure, include on
Mould 1 and lower mold assemblies, lower mold assemblies include sliding block 2；Link position between upper mold 1 and sliding block 2；It is provided with type chamber 4 and stream
Road；Runner 13 includes the sprue 13b for being disposed thereon end and at least two runners that side direction is arranged in, sprue
13b is communicated with gum-injecting port 13a, and one end communicate-type chamber 4 of the separate sprue 13b of runner, type chamber 4 is corresponding with runner to be set
It sets；It further include having sleeve, sliding block 2 is provided with the through-hole of connection sleeve, and 5 upper end of sleeve is connected to runner 13,5 upper end of sleeve
The diameter of axle is less than the diameter of axle at 5 middle part of sleeve；Be plugged with thimble 6 in sleeve 5, thimble 6 can protrude out sleeve 5 when rising, thimble 6 it is upper
It rises for driving runner 13 far from sliding block 2.
5 upper end of sleeve is connected to runner 13, and the diameter of axle of 5 upper end of sleeve is less than the diameter of axle at 5 middle part of sleeve.When injection molding, set
Space encapsulating between cylinder upper end and through-hole wall obtains the lantern ring of a back-off sleeve upper end, and preferable back-off structure prevents
Runner molded part skids when ejecting；5 stroke of mating sleeve, realize product and runner molded part divide automatically, runner molded part
Automatically disengage sleeve 5.More preferably, sleeve upper end offers recess portion, forms lantern ring and a rubber column gel column after the completion of injection molding；This kind of back-off machine
Structure fastening effect is more preferable, can skid when preferably runner molded part ejects.
Sprue 13b is tapered or column type；The small end of the sprue of taper, connection glue injection mouth.The output end of runner
The diameter of axle gradually becomes smaller along Flow of Goods and Materials direction.The shape of the output end of runner is one in cattle horn shape, diving mouth and taper
Kind.As shown in Fig. 1 to Fig. 6, Figure 10 and Figure 11, runner successively includes horizontal run 13c and inclination stream along Flow of Goods and Materials direction
Road 13d；Oblique runner 13d toward type chamber 4 for being fed diagonally downward；Oblique runner 13d is connected to the output end of horizontal run 13c
Lower position；The upper side position of the output end of horizontal run 13c is in salient angle 13e.It can be formed when injection molding, at salient angle 13e certain
Buffer area.
As shown in figure 12, the upper end of sleeve 5 is provided with recess portion 5b；The opening direction of recess portion 5b is upward；Thimble 6 rises
When can protrude out the bottom surface of recess portion 5b.Recess portion 5b is notch, and the upper end of sleeve 5 forms at least three angles, the upper end at branch angle
Abut upper mold 1.There are two runner settings, and recess portion 5b is U-shaped notch or v-notch, and the upper end of sleeve 5 forms two branch
Angle；When upper mold 1 and sliding block 2 mold, the upper end at branch angle abuts upper mold 1.
It further include the position limiting structure having for limiting 5 upward stroke of sleeve as shown in Fig. 1 to Fig. 6, Fig. 7 A to Fig. 7 B；Set
When cylinder 5 is risen in place, the rising of position limiting structure locking sleeve 5.Position limiting structure is arranged in lower mold base plate 8.The lower end of sleeve 5 exists
Flange or convex block are provided on side wall, position limiting structure is a confined planes on mold；The flange or convex block abut confined planes
When, the rising of sleeve 5 is locked up.
As shown in Fig. 1 to Fig. 6, Fig. 9 A to Fig. 9 C, sliding block 2 is connected with push rod 7, and the upper end of push rod 7 and 2 screw of sliding block connect
It connects；The rising of push rod 7 is for driving sliding block 2 to rise.
Preferably, thimble 6 and push rod 7 connect same movable part 3, and lower mold base plate 8 is provided between movable part 3 and sliding block 2；
The middle part or lower end of sleeve 5 are provided with the first flange 5a, position limiting structure be arranged in lower mold base plate 8 for accommodating the first flange
First hollow hole of 5a sliding, sleeve 5 is by the upward convex through-hole for stretching out lower mold base plate 8 and grafting lower die of the first hollow hole；Push rod
7 middle part or lower end are provided with the second flange, and movable part 3 is provided with the second hollow hole for accommodating the sliding of the second flange, pushes away
Bar 7 is by the upward convex stretching movable part 3 of the second hollow hole；When upper mold 1 and sliding block 2 mold, the first upper end flange 5a and first hollow
The distance L of hole upper end1, the second flange lower end and the second hollow hole lower end distance L2, and L1<L2；Second flange lower end and second
The spacing of hollow hole lower end starts the clearance position of movement as push rod 7, living when the second flange lower end abuts the second hollow hole lower end
Moving part 3 can drive push rod 7 to rise.The partial enlarged view of clearance position such as Fig. 9 A to Fig. 9 C；The partial enlarged view of position limiting structure
As shown in Fig. 8 A to Fig. 8 B.L1Mark as shown in Fig. 1 and Fig. 8 A；L2Mark as shown in Fig. 1 and Fig. 9 A.
The guide part that lower mold base plate 8 is also gone up and down as thimble and push rod, the guiding lifting of sliding block 2.
Lower mold assemblies connect the first lifting drive part and corresponding guide frame, as cylinder, hydraulic cylinder, screw pair and
Electric machine structure, guide frame can be guide rod, guide groove, guide rail etc..
Including detachable connected slide block 21 and push plate 22, slide block 21 and push plate 22 are setting up and down, and push rod connection pushes away
Plate 22.Upper mold and slide block 21 connect, shape forming cavity and runner；For different products, and select different upper mold and line position
Block 21 selects different type chambers, even runner.Lower die includes detachable connected slide block 21 and push plate 22, in push plate 22
It is upper to replace corresponding slide block 21, replace corresponding upper mold simultaneously.
Movable part is connected with the second lifting drive part, and the second lifting drive part can be simply cylinder body, such as cylinder, piston
Cylinder；As shown in Figures 1 to 6, the second lifting drive part may be screw pair and electric machine structure, lead screw transmission connection activity
Part.
As shown in Figures 1 to 6, lower mold base plate 8 includes detachable connected upper substrate 81 and lower substrate 82, the first hollow hole
Link position between upper substrate 81 and lower substrate 82 is set；Upper substrate 81 and lower substrate 82 separate, for dismounting sleeve；On
When substrate 81 and lower substrate 82 separate, the drawable upper substrate 81 of sleeve and lower substrate 82.
As shown in Figures 1 to 6, movable part 3 includes upper plate 31 and lower plate 32, the setting of the second hollow hole upper plate 31 and under
Link position between plate 32；Upper plate 31 and lower plate 32 separate, for dismounting push rod 7；When upper plate 31 and lower plate 32 separate, push away
The drawable upper plate 31 of bar 7 and lower plate 32.
It further include having to go up and down and move for the mandril of ejecting product and the third for driving mandril to go up and down on lower mold assemblies
Power part.
As Fig. 1 to Fig. 6 be mold be opened process each Status view, corresponding partial view include Fig. 7 A to Fig. 7 C,
Shown in Fig. 8 A to Fig. 8 C, Fig. 9 A to Fig. 9 C.
A kind of injection moulding process, including step a to g.Step a, upper mold 1 and lower mold assemblies mold；
Step b, by the filling material of gum-injecting port 13a, material is poured into along sprue 13b and is poured by runner to type chamber
4；Sliding block 2 is provided with the through-hole for connecting sleeve 5, and 5 upper end of sleeve is connected to runner 13, and the diameter of axle of 5 upper end of sleeve is less than
The diameter of axle at 5 middle part of sleeve, forms a space between 5 upper end of sleeve and through-hole；When the injection molding of type chamber 4 is completed, the space is filling
Enter material, which forms the lantern ring in a back-off sleeve upper end portion；
Step c, lower mold assemblies are downwardly away from and are opened, and the process is as shown in Figure 1 to Figure 2.
Liftable thimble 6 is plugged in sleeve 5, thimble 6 can protrude out sleeve 5 when rising；Step d, movable part 3 drive
Thimble 6 rises, and thimble 6 jacks up runner molded part upwards, the connection of shaped article and runner molded part be cut off open, runner forms
The collar portion band moving sleeve 5 of part is synchronous to be risen, and the process is as shown in Figure 2 to Figure 3.
The position limiting structure for limiting 5 upward stroke of sleeve is provided on mold；The rising of position limiting structure locking sleeve 5
When, runner molded part, which is detached from, when the part of the connection lantern ring of sleeve 5 is higher by sliding block 2, the i.e. rising of position limiting structure locking sleeve 5 slides
Block 2.Step e, the rising of position limiting structure locking sleeve 5, thimble 6 drive runner molded part to continue to rise, and runner molded part is gradually
It is detached from 5 upper end of sleeve, the process is as shown in Figure 3 to Figure 4.
Step f, the lower end of the second flange of push rod 7 abuts the second hollow hole lower end, and (i.e. movable part, which rises, walks the empty avoiding that is over
Position), movable part 3 drive thimble 6 and push rod 7 to rise, the rising synchronous with sliding block 2 of thimble 6.The process is as shown in Fig. 4 to Fig. 5.Step
Rapid g pushes up product on mandril 9, so that product is detached from sliding block 2, product is taken away, and the process is as shown in Figure 5 to Figure 6.Step d is into g, stream
After road molded part is detached from sliding block 2, runner molded part is taken away.
Step h, movable part band movable slider 2 and thimble reset, and entire lower mold assemblies move up reset, and mold clamping is complete
At.
The upper end of sleeve 5 is provided with recess portion 5b；The opening direction of recess portion 5b is upward；Thimble 6 can protrude out when rising
The bottom surface of recess portion 5b.Preferably, there are two runner settings, recess portion 5b is U-shaped notch or v-notch, the upper end shape of sleeve 5
At two branch angles；When with molding, the upper end at branch angle abuts upper mold 1.The position recess portion 5b forms the rubber column gel column of runner molded part, and rubber column gel column is matched
Trap ring can preferably connect 5 upper end of sleeve, and thimble 6 is taken up sleeve 5 by runner molded part well, runner forms
Part divides high-quality, product with product and is not easy to be damaged.
Product, material etc., and the structure of non-present invention；The introducing in right such as product, material, is in order to illustrate structure
And/or function.
In the present invention, upper mold and slide block 21 be it is detachable and interchangeable, may independently purchased/design in effective sale.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
The above embodiments are merely illustrative of the technical solutions of the present invention and is not intended to limit it, all without departing from the present invention
Any modification of spirit and scope or equivalent replacement, shall fall within the scope of the technical solution of the present invention.
Claims (10)
1. a kind of injection moulding process, which is characterized in that step a, upper mold (1) and lower mold assemblies mold；
Step b, by gum-injecting port (13a) filling material, material is poured into along sprue (13b) and is poured by runner to type chamber
(4)；Sliding block is provided with the through-hole for connecting sleeve (5), and sleeve (5) upper end is connected to runner (13), sleeve (5) upper end
The diameter of axle is less than the diameter of axle in the middle part of sleeve (5), and sleeve (5) forms a space between upper end and through-hole；Type chamber (4) injection molding is completed
When, which is filled into material, which forms the lantern ring in a back-off sleeve upper end portion；
Step c, lower mold assemblies are downwardly away from and are opened；
It is plugged in sleeve (5) liftable thimble (6), thimble (6) can protrude out sleeve (5) when rising；Step d, movable part
(3) thimble (6) are driven to rise, thimble (6) jacks up runner molded part upwards, and the connection of shaped article and runner molded part is cut off
It opens, the synchronous rising of the collar portion of runner molded part band moving sleeve (5)；
The position limiting structure for limiting sleeve (5) upward stroke is provided on mold；Step d, position limiting structure locking sleeve (5)
When rising, the part of the connection lantern ring of sleeve (5) is higher by sliding block；Step e, the rising of position limiting structure locking sleeve (5), thimble
(6) runner molded part is driven to continue to rise, runner molded part progressively disengages sleeve (5) upper end；
Step f, the lower end of the second flange of push rod (7) abuts the second hollow hole lower end, movable part (3) drives thimble (6) and pushes away
Bar (7) rises, and thimble (6) is synchronous with sliding block to be risen；Step g pushes up product on mandril, and product is made to be detached from sliding block, and product is taken away；Step
Rapid d after runner molded part is detached from sliding block, takes runner molded part away into g.
2. a kind of injection moulding process according to claim 1, it is characterised in that: the diameter of axle of the output end of the runner, edge
Flow of Goods and Materials direction gradually becomes smaller.
3. a kind of injection moulding process according to claim 2, it is characterised in that: the shape of the output end of the runner is
Cattle horn shape, diving one of mouth and taper.
4. a kind of injection moulding process according to claim 1, it is characterised in that: the runner along Flow of Goods and Materials direction successively
Including horizontal run (13) and oblique runner (13)；Oblique runner (13) toward type chamber (4) for being fed diagonally downward；The inclination
Runner (13) is connected to the lower position of the output end of horizontal run (13)；The upper side position of the output end of horizontal run (13) is in convex
Angle.
5. a kind of injection moulding process according to any one of claims 1 to 4, it is characterised in that: the upper end of the sleeve (5)
It is provided with recess portion (5b)；The opening direction of the recess portion (5b) is upward；Thimble (6) can protrude out the bottom surface of recess portion (5b) when rising.
6. a kind of injection moulding process according to claim 5, it is characterised in that: there are two the runner settings, recess portion
(5b) is U-shaped notch or v-notch, and the upper end of sleeve (5) forms two branch angles；When with molding, the upper end at branch angle is abutted
Mould (1).
7. a kind of mold of novel flow channel structure, which is characterized in that include upper mold (1) and lower mold assemblies, lower mold assemblies include
There is sliding block；Link position between upper mold (1) and sliding block；It is provided with type chamber (4) and runner；Runner (13) includes to be arranged at it
The sprue (13b) of upper end and at least two runners that side direction is arranged in, sprue (13b) are communicated with gum-injecting port
(13a), one end communicate-type chamber (4) of the separate sprue (13b) of runner, type chamber (4) are correspondingly arranged with runner；Sliding block is set
It is equipped with the through-hole of connection sleeve, sleeve (5) upper end is connected to runner (13), and the diameter of axle of sleeve (5) upper end is less than in sleeve (5)
The diameter of axle in portion；It is plugged in sleeve (5) thimble (6), thimble (6) can protrude out sleeve (5) when rising, and lower mold base plate setting is useful
In the position limiting structure for limiting sleeve (5) upward stroke, the rising of thimble (6) for drive runner (13) molded part far from product with
And for driving runner molded part to be detached from sleeve；Sliding block is connected with push rod (7), and push rod (7) is used for band movable slider and rises, push rod
(7) and thimble (6) connects same movable part (3)；Movable part (3) is provided with the clearance position for postponing push rod (7) rising, push rod
(7) it is later than thimble (6) rising.
8. a kind of mold of novel flow channel structure according to claim 7, it is characterised in that: the middle part of the sleeve (5)
Or lower end is provided with the first flange (5a), position limiting structure be arranged in lower mold base plate for accommodating what the first flange (5a) slid
First hollow hole, sleeve (5) are protruded upward by the first hollow hole；The middle part or lower end of push rod (7) are provided with the second flange, activity
Part (3) is provided with the second hollow hole for accommodating the sliding of the second flange, and push rod (7) is by the upward convex stretching activity of the second hollow hole
Part (3)；When upper mold (1) and sliding block mold, the first flange upper end (5a) and the first hollow hole upper end distance L1, under the second flange
End and the second hollow hole lower end distance L2, and L1<L2；The spacing of second flange lower end and the second hollow hole lower end is as push rod
(7) clearance position acted, when the second flange lower end abuts the second hollow hole lower end, movable part (3) can drive push rod (7) to rise.
9. a kind of mold of novel flow channel structure according to claim 8, it is characterised in that: the lower mold base plate includes can
Connected upper substrate and lower substrate are split, the link position between upper substrate and lower substrate is arranged in the first hollow hole；Upper substrate
With separating for lower substrate, for dismounting sleeve；When upper substrate and lower substrate separate, the drawable upper substrate of sleeve and lower substrate.
10. a kind of mold of novel flow channel structure according to claim 8, it is characterised in that: the movable part (3) includes
There are upper plate (31) and lower plate (32), the link position that the second centre bore is arranged between upper plate (31) and lower plate (32)；Upper plate
(31) and lower plate (32) separate, for dismounting push rod (7)；When upper plate (31) and lower plate (32) separate, on push rod (7) is drawable
Plate (31) and lower plate (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910284808.XA CN110126222B (en) | 2019-04-10 | 2019-04-10 | Novel runner structure mold and injection molding method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910284808.XA CN110126222B (en) | 2019-04-10 | 2019-04-10 | Novel runner structure mold and injection molding method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110126222A true CN110126222A (en) | 2019-08-16 |
| CN110126222B CN110126222B (en) | 2024-03-12 |
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ID=67569767
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910284808.XA Active CN110126222B (en) | 2019-04-10 | 2019-04-10 | Novel runner structure mold and injection molding method thereof |
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| Country | Link |
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| CN (1) | CN110126222B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114347392A (en) * | 2022-01-10 | 2022-04-15 | 南通鑫隆欣精密模具有限公司 | Intelligent key cap mold |
| CN115284553A (en) * | 2022-07-28 | 2022-11-04 | 嘉兴精科科技有限公司 | High-precision foldable mobile phone rotating shaft assembly forming device and technology |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110126222B (en) | 2024-03-12 |
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