CN109228207A - The injection mold of router upper cover and the Shooting Technique of router upper cover - Google Patents
The injection mold of router upper cover and the Shooting Technique of router upper cover Download PDFInfo
- Publication number
- CN109228207A CN109228207A CN201811099807.XA CN201811099807A CN109228207A CN 109228207 A CN109228207 A CN 109228207A CN 201811099807 A CN201811099807 A CN 201811099807A CN 109228207 A CN109228207 A CN 109228207A
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- China
- Prior art keywords
- injection
- caster
- male
- mold
- upper cover
- Prior art date
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- 238000002347 injection Methods 0.000 title claims abstract description 63
- 239000007924 injection Substances 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000001816 cooling Methods 0.000 claims abstract description 34
- 238000001746 injection moulding Methods 0.000 claims description 38
- 239000002994 raw material Substances 0.000 claims description 28
- 238000010438 heat treatment Methods 0.000 claims description 21
- 238000001035 drying Methods 0.000 claims description 11
- 239000003292 glue Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229920007019 PC/ABS Polymers 0.000 claims description 3
- 238000003556 assay Methods 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000007791 dehumidification Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 235000013372 meat Nutrition 0.000 claims description 3
- 238000000048 melt cooling Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 230000000704 physical effect Effects 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims 1
- 239000012778 molding material Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000009466 transformation Effects 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
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7312—Construction of heating or cooling fluid flow channels
-
- 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
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
-
- 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
- B29C45/2602—Mould construction elements
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of injection mold of router upper cover and the Shooting Technique of router upper cover, including panel, water gap plate, female module, male module and bottom plate, for water gap plate between panel and female module, bottom plate is equipped with two pieces of support blocks, and male module is fixed on support block；Female module includes caster and mother module core, caster is equipped with mother module core close to the surface of male module, the at least one side wall of caster is equipped with master mold water inlet and master mold water outlet, cooling chamber is equipped in caster, master mold water inlet and master mold water outlet are all connected to cooling chamber, two opposite surfaces of cooling chamber are equipped with raised, the wherein protrusion one-to-one correspondence on raised and another surface on a surface and mutual conflict in two opposite surfaces.The present invention demoulds convenient for product, reduces cooling time, keeps entire product cooling uniformly, improves production efficiency, guarantee the aesthetics and quality of product surface.
Description
Technical field
The invention belongs to technical field of mold, more particularly to a kind of injection mold of router upper cover.
Background technique
Injection molding is also known as injection molding molding, it is a kind of forming method of simultaneous molding of injection.Injection molding forming method
Advantage is that speed of production is fast, high-efficient, operates and automation can be achieved, and designs and varieties are more, and shape can go from the simple to the complex, and size can be with
It is descending, and product size is accurate, and the product of energy forming shape complexity, injection molding is suitable for the complex-shaped production of mass production
Product, high production efficiency.
Injection molding technology is that polymer barrel is added in graininess or powdered polymer raw material, is being added thermally or mechanically
It is plasticized under shear action, finally enters in mold under the promotion of plunger or screw rod, cooling and solidifying forms consistent with mold cavity
Polymer product.
A kind of injection mold disclosed in 207344999 U of Chinese patent publication No. CN is all accommodated in upper mold due to filling mouth
In plate and upper cores, so that the size for filling mouth is smaller, the length of runner is shorter, shortens stream material in injection molding in this way and is flowing
Road residence time, to a certain degree raising production efficiency, but since the cooling procedure of product is longer, production efficiency is seriously affected,
Even since product is not fully cooled, occurs the defects of buckling deformation after demoulding, seriously affect the qualification rate of product.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of injection mold of router upper cover and router upper covers
Shooting Technique is demoulded convenient for product, reduces cooling time, is kept entire product cooling uniformly, is improved production efficiency, guarantees to produce
The aesthetics and quality on product surface.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of injection mould of router upper cover
Tool, including panel, water gap plate, female module, male module and bottom plate, the water gap plate be located at the panel and the female module it
Between, the bottom plate is equipped with two pieces of support blocks, and the male module is fixed on the support block；
The female module includes caster and mother module core, and the caster is equipped with the mother close to the surface of the male module
Mode, the male module include male template and male die core, and the male template is equipped with male die core, institute close to the surface of the female module
State shape forming cavity between mother module core and the male die core；
Ejector retainner plate and guide rod are equipped between the male template and the bottom plate, one end of the guide rod and bottom plate connect
It connects, the other end of the guide rod passes through the ejector retainner plate and connect with male template, and the guide rod is cased with reset spring, described multiple
For position spring between the ejector retainner plate and the male template, the ejector retainner plate is equipped with thimble, and the thimble passes through male module
It is contradicted with product；
Sliding shoe is equipped between the male template and the caster, and the sliding shoe is located at the male die core and described
The periphery of mother module core, the sliding shoe have abutting portion, and it is intracavitary and collectively form with type chamber for shape that the abutting portion is located at type
At the cavity of router upper cover, the sliding shoe is equipped with the guide pad and driving sliding shoe slide-out type of driving sliding shoe slide-in type chamber
The brace of chamber, the guide pad and the brace are all fixed on caster；
At least one side wall of the caster is equipped with master mold water inlet and master mold water outlet, is equipped with cooling in the caster
Chamber, the master mold water inlet and the master mold water outlet are all connected to cooling chamber, and two opposite surfaces of the cooling chamber are set
There are protrusion, the wherein protrusion one-to-one correspondence on raised and another surface on a surface and mutually conflict in two opposite surfaces；
The panel is equipped with sprue bush, and the inside of the sprue bush is equipped with sprue channel, the sprue channel and the mother
The surface of template is connected into glue runner, described to be connected into glue runner with the glue-feeder of caster, the glue-feeder of the caster
It is connected to the gum-injecting port of the mother module core, the gum-injecting port of the mother module core is connected to the type chamber.
Further say, further include the first limit pull rod and the second limit pull rod, one end of first limit pull rod and
One end of second limit pull rod has limiting section all to limit caster, water gap plate and panel disengaging, first limit pull rod
The limiting section of one end be installed on the sliding eye of the panel, and the other end and the second limit pull rod of first limit pull rod
Connection, the caster, the male template and the support block, which are all equipped with, to match with the limiting section of second limit pull rod
Sliding eye.
It further says, the side that sliding shoe is located at the male die core is defined as outside, the guide pad is located at described
The outside of sliding shoe, the medial surface of the guide pad are the first inclined-plane, and the inclined direction on the first inclined-plane is from caster to male model
Plate gradually tilts outward, the sliding shoe is equipped with the second inclined-plane for matching with the first inclined-plane, and second inclined-plane inclines
Tilted direction is consistent with first inclined-plane.
It further says, the brace is gradually tilted to the center of mold along the direction that brace skids off sliding shoe, described
Sliding shoe is equipped with pilot hole corresponding with brace, and the inclined direction of the pilot hole and the inclined direction of brace are consistent.
It further says, the male template is equipped with sliding slot, and the left and right side of the sliding slot is equipped with two pieces of limited blocks, described
Limited block is fixed on male template, and the two sides of the sliding shoe have draw runner, and the draw runner is located at the bottom of limited block and the sliding slot
Between face.
It further says, the ejector retainner plate includes mounting plate and top plate, and the top plate is located at the bottom plate and the installation
Between plate, the surface that the mounting plate and the top plate fit is equipped with the mounting hole of installation thimble plush copper.
The present invention is that further technical solution is used by solving its technical problem:
Utilize the Shooting Technique of the injection mold manufacture router upper cover of above-mentioned router upper cover, comprising the following steps:
The installation of S1, injection mold；
The inspection of S2, injection raw material: the physical property such as the rheological property of raw material, mechanical performance, hot property and electrical property are carried out
It examines, selected raw material is PC/ABS；
The drying of S3, injection raw material: plastic particles are dried using dehumidification equipment, drying temperature 70-90
DEG C, drying time 3-5h tests the moisture content of plastic particles after drying with detector for water content rate, if the moisture content of plastic particles
Greater than 0.08%, S3 step is repeated；
The melting of S4, injection raw material: preheating injection-moulding device and mold, sets injection parameters, and injection raw material is defeated
It send to barrel, heating makes it at molten condition；
The injection molding of S5, injection raw material: it by the injection raw material of molten condition through screw extruding to nozzle, is arrived by nozzle injection
In mold, the temperature of nozzle is 240-250 DEG C；
Injection process is divided into 5 stages:
First segment injection pressure is 90-100MPa, and injection moulding speed 40-50mm/s, position of the screw rod apart from nozzle is
110-130mm；
Second segment injection pressure is 75-85MPa, and injection moulding speed 5-10mm/s, position of the screw rod apart from nozzle is 110-
120mm；
Third section injection pressure is 110-120MPa, and injection moulding speed 70-75mm/s, position of the screw rod apart from nozzle is
80-90mm；
4th section of injection pressure is 110-130MPa, and injection moulding speed 45-50mm/s, position of the screw rod apart from nozzle is
55-60mm；
4th section of injection pressure is 85-95MPa, and injection moulding speed 15-25mm/s, position of the screw rod apart from nozzle is 45-
50mm；
The total duration of the injection molding is 2.8-3.2s；
S6, pressure maintaining: in a mold when melt cooling meat, continue that pressurized state is kept to force melt near glue-feeder not
It is disconnected to be added in mold, so that the raw material of type chamber is molded the complete and fine and close plastic of shape；Pressure maintaining period is divided into 3 sections:
First segment dwell pressure is 42-47MPa, and pressure maintaining speed is 12-18mm/s, time 1.0s；
Second segment dwell pressure is 65-75MPa, and pressure maintaining speed is 23-28mm/s, time 3.2s；
Third section dwell pressure is 65-70MPa, and pressure maintaining speed is 23-28mm/s, time 1.5S；
S7, cooling and shaping: cooling down product by cooling water, cooling time 20s；
S8, product stripping: sliding shoe unclamps product under the action of brace, and product is ejected by the thimble of mold, will
Molded part is put into carrier, places 2-3h at room temperature；
The ejection pressure of the thimble is 42-48MPa, and ejection speed is 22-28mm/s, and the distance of thimble ejection is 8mm；
The back pressure of thimble is 38-42MPa, and rollback speed is 18-22mm/s；
S9, the examination and test of products: the appearance and performance of product are tested, packed after the assay was approved.
It further says, the heating temperature of the barrel is divided into 5 sections: the heating temperature of first segment is 230-240 DEG C, second
The heating temperature of section is 220-230 DEG C, the heating temperature of third section is 210-225 DEG C, the 4th section of heating temperature is 210-220
DEG C and the 4th section heating temperature be 195-205 DEG C.
It further says, penetrating for screw rod moves back pressure as 58-62MPa after injection molding, and penetrating back speed degree is 28-33mm/s, spiral shell
Position of the bar apart from nozzle is 5mm.
It further says, the storing process of barrel is divided into 3 sections after injection molding:
First segment stock pressure is 90-100MPa, and storing speed is 65-75mm/s, and position of the screw rod apart from nozzle is 28-
32mm；
Second segment stock pressure is 90-100MPa, and storing speed is 65-75mm/s, and position of the screw rod apart from nozzle is 55-
65mm；
Third section stock pressure is 90-100MPa, and storing speed is 65-75mm/s, and position of the screw rod apart from nozzle is
125-135mm。
Beneficial effects of the present invention at least have the following:
The present invention is equipped with sliding shoe, and sliding shoe has abutting portion, and sliding shoe is equipped with the guiding of driving sliding shoe slide-in type chamber
Block and the brace for driving sliding shoe slide-out type chamber, in mold-closing injection, the abutting portion of sliding shoe enters under the driving of guide pad
Type chamber and type chamber collectively form the cavity for being used to form router upper cover, in die sinking, sliding shoe under the drive of guide pad with
Product separation improves production efficiency to reduce the difficulty of demoulding；
Master mold water inlet and master mold water outlet of the invention is all connected to cooling chamber, and two opposite surfaces of cooling chamber are set
There is protrusion, the wherein protrusion one-to-one correspondence on raised and another surface on a surface and mutually conflict in two opposite surfaces is convex
The structure design risen, makes cooling water generate turbulent flow in cooling chamber, improves cooling efficiency, keeps entire product cooling uniformly, reduces
Entire injection molding cycle；
Panel of the invention is equipped with sprue bush, and the inside of sprue bush is equipped with sprue channel, the table of sprue channel and caster
Being connected into glue runner for face, is connected into glue runner with the glue-feeder of caster, the glue-feeder of caster and the gum-injecting port of mother module core
Connection, the gum-injecting port of mother module core are connected to type chamber, the design into glue runner of master mold plate surface, when effectivelying prevent being molded too fast,
There is phenomena such as heaving, blistering in product surface, and guarantees the aesthetics and quality of product surface；
The present invention is equipped with the first limit pull rod and the second limit pull rod, one end of the first limit pull rod and the second limit pull rod
One end all there is limiting section, the limiting section of first limit pull rod one end is installed on the sliding eye of panel, and the first limit pull rod
The other end connect with the second limit pull rod, thus die sinking when limitation panel, water gap plate and caster displacement, demoulding
When, panel, water gap plate and caster are separated, convenient for taking out material head；
The present invention optimizes the parameters such as injection molding, pressure maintaining, cooling, die sinking, the pressure of storing, speed, effectively reduces
Molding cycle and production cost.
Detailed description of the invention
Fig. 1 is decomposition diagram of the invention；
Fig. 2 is the cross-sectional view at sprue bush of the invention；
Fig. 3 is the enlarged drawing at the A of Fig. 2 of the invention；
Fig. 4 is the cross-sectional view of caster of the invention；
Fig. 5 is the structural schematic diagram of male template and limited block of the invention；
Fig. 6 is the structural schematic diagram of sliding shoe of the invention；
Fig. 7 is the structural schematic diagram of guide pad of the invention；
Fig. 8 is the cross-sectional view at the first limit pull rod of the invention；
Fig. 9 is the structural schematic diagram of mounting plate of the invention；
Each section label is as follows in attached drawing:
Panel 1, sliding eye 11, water gap plate 2, bottom plate 3, support block 4, caster 5, master mold water inlet 51, master mold water outlet 52,
Into glue runner 53, glue-feeder 54, cooling chamber 55, protrusion 551, mother module core 6, sliding shoe 61, abutting portion 611, the second inclined-plane 612,
Pilot hole 613, draw runner 614, gum-injecting port 62, male template 7, sliding slot 71, limited block 72, male die core 8, ejector retainner plate 9, mounting plate 91,
Mounting hole 911, top plate 92, guide rod 100, reset spring 200, thimble 300, the first limit pull rod 400, limiting section 401, second
Limit pull rod 500, sprue bush 700, sprue channel 701, guide rod 800, guide pad 900, the first inclined-plane 901 and brace 1000.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Embodiment: a kind of injection mold of router upper cover, as shown in figs. 1-9, including panel 1, water gap plate 2, master mold
Block, male module and bottom plate 3, for the water gap plate 2 between the panel 1 and the female module, the bottom plate 3 is equipped with two pieces of moulds
Foot 4, the male module are fixed on the support block 4；
The female module includes caster 5 and mother module core 6, and the caster 5 is equipped with institute close to the surface of the male module
Mother module core 6 is stated, the male module includes male template 7 and male die core 8, and the male template 7 is equipped with close to the surface of the female module
Male die core 8, shape forming cavity between the mother module core 6 and the male die core 8；
Ejector retainner plate 9 and guide rod 100, one end of the guide rod 100 are equipped between the male template 7 and the bottom plate 3
It is connect with bottom plate 3, the other end of the guide rod 100 passes through the ejector retainner plate 9 and connect with male template 7,100 sets of the guide rod
There is reset spring 200, the reset spring 200 between the ejector retainner plate 9 and the male template 7, install by the ejector retainner plate 9
There is thimble 300, the thimble 300 passes through male module and product contradicts；
Sliding shoe 61 is equipped between the male template 7 and the caster 5, and the sliding shoe 61 is located at the male die core
8 and the mother module core 6 periphery, the sliding shoe 61 has an abutting portion 611, and the abutting portion 611 is located at that type is intracavitary and and type
Chamber collectively forms the cavity for being used to form router upper cover, and the sliding shoe 61 is equipped with the guiding of driving 61 slide-in type chamber of sliding shoe
Block 900 and the brace 1000 for driving 61 slide-out type chamber of sliding shoe, the guide pad 900 and the brace 1000 are all fixed on master mold
Plate 5；
At least one side wall of the caster 5 is equipped with master mold water inlet 51 and master mold water outlet 52, sets in the caster 5
There is cooling chamber 55, the master mold water inlet 51 and the master mold water outlet 52 are all connected to cooling chamber 55, the cooling chamber 55
Two opposite surfaces are equipped with protrusion 551, the wherein protrusion of the protrusion 551 on a surface and another surface in two opposite surfaces
551 correspond and mutually contradict；
The panel 1 is equipped with sprue bush 700, and the inside of the sprue bush 700 is equipped with sprue channel 701, the cast gate stream
Road 701 is connected to the surface of the caster 5 into glue runner 53, described to connect into the glue-feeder 54 of glue runner 53 and caster 5
Logical, the glue-feeder 54 of the caster 5 is connected to the gum-injecting port 62 of the mother module core 6, the gum-injecting port 62 of the mother module core 6 and institute
State the connection of type chamber.
It further include the first limit pull rod 400 and the second limit pull rod 500, one end of first limit pull rod 400 and
One end of two limit pull rods 500 has limiting section 401 all to limit caster 5, water gap plate 2 and panel 1 and be detached from, and described first limits
The limiting section 401 of one end of position pull rod 400 is installed on the sliding eye 11 of the panel 1, and first limit pull rod 400 is another
One end is connect with the second limit pull rod 500, and the caster 5, the male template 7 and the support block 4 are all equipped with and described second
The sliding eye 11 that the limiting section 401 of limit pull rod 500 matches.
The side that sliding shoe 61 is located at the male die core 8 is defined as outside, the guide pad 900 is located at the sliding shoe
The medial surface in 61 outside, the guide pad 900 is the first inclined-plane 901, and the inclined direction on the first inclined-plane 901 is by caster 5
It is gradually tilted outward to male template 7, the sliding shoe 61 is equipped with the second inclined-plane 612 to match with the first inclined-plane 901, and institute
Inclined direction and first inclined-plane 901 for stating the second inclined-plane 612 are consistent.
The brace 1000 is gradually tilted to the center of mold along the direction that brace 1000 skids off sliding shoe 61, the cunning
Motion block 61 is equipped with pilot hole 613 corresponding with brace 1000, the inclined direction of the pilot hole 613 and the inclination side of brace 1000
To consistent.
When it is implemented, the internal diameter of the pilot hole is greater than the outer diameter of the brace so that brace is inserted into pilot hole.
The male template 7 is equipped with sliding slot 71, and the left and right side of the sliding slot 71 is equipped with two pieces of limited blocks 72, the limit
Block 72 is fixed on male template 7, and the two sides of the sliding shoe 61 have a draw runner 614, and the draw runner 614 is located at limited block 72 and described
Between the bottom surface of sliding slot 71.
The ejector retainner plate 9 includes mounting plate 91 and top plate 92, and the top plate 92 is located at the bottom plate 3 and the mounting plate 91
Between, the mounting plate 91 is equipped with the mounting hole 911 of installation thimble plush copper with the surface that the top plate 92 fits.
The panel 1 is equipped with guide rod 800, the water gap plate 2, the caster 5, the male template 7 and the support block 4
Equipped with the through-hole to match with the guide rod 800.
Utilize the Shooting Technique of the injection mold manufacture router upper cover of above-mentioned router upper cover, comprising the following steps:
The installation of S1, injection mold；
The inspection of S2, injection raw material: the physical property such as the rheological property of raw material, mechanical performance, hot property and electrical property are carried out
It examines, selected raw material is PC/ABS；
The drying of S3, injection raw material: plastic particles are dried using dehumidification equipment, drying temperature 70-90
DEG C, drying time 3-5h tests the moisture content of plastic particles after drying with detector for water content rate, if the moisture content of plastic particles
Greater than 0.08%, S3 step is repeated；
The melting of S4, injection raw material: preheating injection-moulding device and mold, sets injection parameters, and injection raw material is defeated
It send to barrel, heating makes it at molten condition；
The injection molding of S5, injection raw material: it by the injection raw material of molten condition through screw extruding to nozzle, is arrived by nozzle injection
In mold, the temperature of nozzle is 240-250 DEG C；
Injection process is divided into 5 stages:
First segment injection pressure is 90-100MPa, and injection moulding speed 40-50mm/s, position of the screw rod apart from nozzle is
110-130mm；
Second segment injection pressure is 75-85MPa, and injection moulding speed 5-10mm/s, position of the screw rod apart from nozzle is 110-
120mm；
Third section injection pressure is 110-120MPa, and injection moulding speed 70-75mm/s, position of the screw rod apart from nozzle is
80-90mm；
4th section of injection pressure is 110-130MPa, and injection moulding speed 45-50mm/s, position of the screw rod apart from nozzle is
55-60mm；
4th section of injection pressure is 85-95MPa, and injection moulding speed 15-25mm/s, position of the screw rod apart from nozzle is 45-
50mm；
The total duration of the injection molding is 2.8-3.2s；
S6, pressure maintaining: in a mold when melt cooling meat, continue that pressurized state is kept to force melt near glue-feeder not
It is disconnected to be added in mold, so that the raw material of type chamber is molded the complete and fine and close plastic of shape；Pressure maintaining period is divided into 3 sections:
First segment dwell pressure is 42-47MPa, and pressure maintaining speed is 12-18mm/s, time 1.0s；
Second segment dwell pressure is 65-75MPa, and pressure maintaining speed is 23-28mm/s, time 3.2s；
Third section dwell pressure is 65-70MPa, and pressure maintaining speed is 23-28mm/s, time 1.5S；
S7, cooling and shaping: cooling down product by cooling water, cooling time 20s；
S8, product stripping: sliding shoe unclamps product under the action of brace, and product is ejected by the thimble of mold, will
Molded part is put into carrier, places 2-3h at room temperature；
The ejection pressure of the thimble is 42-48MPa, and ejection speed is 22-28mm/s, and the distance of thimble ejection is 8mm；
The back pressure of thimble is 38-42MPa, and rollback speed is 18-22mm/s；
S9, the examination and test of products: the appearance and performance of product are tested, packed after the assay was approved.
The heating temperature of the barrel is divided into 5 sections: the heating temperature of first segment is the heating temperature of 230-240 DEG C, second segment
Degree is 220-230 DEG C, the heating temperature of third section is 210-225 DEG C, the 4th section of heating temperature is 210-220 DEG C and the 4th section
Heating temperature be 195-205 DEG C.
Penetrating for screw rod moves back pressure as 58-62MPa after injection molding, and penetrating back speed degree is 28-33mm/s, and screw rod is apart from nozzle
Position is 5mm.
The storing process of barrel is divided into 3 sections after injection molding:
First segment stock pressure is 90-100MPa, and storing speed is 65-75mm/s, and position of the screw rod apart from nozzle is 28-
32mm；
Second segment stock pressure is 90-100MPa, and storing speed is 65-75mm/s, and position of the screw rod apart from nozzle is 55-
65mm；
Third section stock pressure is 90-100MPa, and storing speed is 65-75mm/s, and position of the screw rod apart from nozzle is
125-135mm。
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure transformation made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant technical fields,
Similarly it is included within the scope of the present invention.
Claims (10)
1. a kind of injection mold of router upper cover, it is characterised in that: including panel (1), water gap plate (2), female module, male module
With bottom plate (3), for the water gap plate between the panel and the female module, the bottom plate is equipped with two pieces of support blocks (4), described
Male module is fixed on the support block；
The female module includes caster (5) and mother module core (6), and the caster is equipped with described close to the surface of the male module
Mother module core, the male module include male template (7) and male die core (8), and the male template is equipped with close to the surface of the female module
Male die core, shape forming cavity between the mother module core and the male die core；
Ejector retainner plate (9) and guide rod (100), one end of the guide rod and bottom plate are equipped between the male template and the bottom plate
Connection, the other end of the guide rod pass through the ejector retainner plate and connect with male template, and the guide rod is cased with reset spring
(200), for the reset spring between the ejector retainner plate and the male template, the ejector retainner plate is equipped with thimble (300), institute
Thimble is stated to contradict across male module and product；
Sliding shoe (61) are equipped between the male template and the caster, and the sliding shoe is located at the male die core and described
The periphery of mother module core, the sliding shoe have abutting portion (611), and it is intracavitary and collectively form use with type chamber that the abutting portion is located at type
In the cavity for forming router upper cover, the sliding shoe is equipped with the guide pad (900) of driving sliding shoe slide-in type chamber and driving is slided
The brace (1000) of motion block slide-out type chamber, the guide pad and the brace are all fixed on caster；
At least one side wall of the caster is equipped with master mold water inlet (51) and master mold water outlet (52), is equipped in the caster
Cooling chamber (55), the master mold water inlet and the master mold water outlet are all connected to cooling chamber, and two of the cooling chamber are opposite
Surface be equipped with raised (551), wherein the protrusion on a surface is corresponded with the protrusion on another surface in two opposite surfaces
And it mutually contradicts；
The panel is equipped with sprue bush (700), and the inside of the sprue bush is equipped with sprue channel (701), the sprue channel with
Being connected into glue runner (53) for the surface of the caster, it is described to be connected into glue runner with the glue-feeder (54) of caster, it is described
The glue-feeder of caster is connected to the gum-injecting port (62) of the mother module core, and the gum-injecting port of the mother module core is connected to the type chamber.
2. the injection mold of router upper cover according to claim 1, it is characterised in that: further include the first limit pull rod
(400) and the second limit pull rod (500), one end of first limit pull rod and one end of the second limit pull rod all have limit
Portion (401) is detached from limiting caster, water gap plate and panel, and the limiting section of one end of first limit pull rod is installed on described
The sliding eye (11) of panel, and the other end of first limit pull rod is connect with the second limit pull rod, it is the caster, described
Male template and the support block are all equipped with the sliding eye to match with the limiting section of second limit pull rod.
3. the injection mold of router upper cover according to claim 1, it is characterised in that: sliding shoe is located at the male model
The side of benevolence is defined as outside, and the guide pad is located at the outside of the sliding shoe, and the medial surface of the guide pad is first oblique
Face (901), and the inclined direction on the first inclined-plane gradually tilts outward from caster to male template, the sliding shoe are equipped with and the
The second inclined-plane (612) that one inclined-plane matches, and the inclined direction on second inclined-plane is consistent with first inclined-plane.
4. the injection mold of router upper cover according to claim 1, it is characterised in that: the brace is skidded off along brace
The direction of sliding shoe is gradually tilted to the center of mold, and the sliding shoe is equipped with pilot hole (613) corresponding with brace, described to lead
It is consistent to the inclined direction in hole and the inclined direction of brace.
5. the injection mold of router upper cover according to claim 1, it is characterised in that: the male template is equipped with sliding slot
(71), the left and right side of the sliding slot is equipped with two pieces of limited blocks (72), and the limited block is fixed on male template, the sliding shoe
Two sides have draw runner (614), the draw runner is between limited block and the bottom surface of the sliding slot.
6. the injection mold of router upper cover according to claim 1, it is characterised in that: the ejector retainner plate includes mounting plate
(91) and top plate (92), between the bottom plate and the mounting plate, the mounting plate is affixed the top plate with the top plate
The surface of conjunction is equipped with the mounting hole (911) of installation thimble plush copper.
7. the Shooting Technique of router upper cover according to claim 1, it is characterised in that: the following steps are included:
The installation of S1, injection mold；
The inspection of S2, injection raw material: testing to physical property such as the rheological property of raw material, mechanical performance, hot property and electrical properties,
Selected raw material is PC/ABS；
The drying of S3, injection raw material: being dried plastic particles using dehumidification equipment, and drying temperature is 70-90 DEG C, does
The dry time is 3-5h, the moisture content of plastic particles after drying is tested with detector for water content rate, if the moisture content of plastic particles is greater than
0.08%, repeat S3 step；
The melting of S4, injection raw material: preheating injection-moulding device and mold, sets injection parameters, injection raw material is delivered to
In barrel, heating makes it at molten condition；
The injection molding of S5, injection raw material: by the injection raw material of molten condition through screw extruding to nozzle, by nozzle injection to mold
In, the temperature of nozzle is 240-250 DEG C；
Injection process is divided into 5 stages:
First segment injection pressure is 90-100MPa, and injection moulding speed 40-50mm/s, position of the screw rod apart from nozzle is 110-
130mm；
Second segment injection pressure is 75-85MPa, and injection moulding speed 5-10mm/s, position of the screw rod apart from nozzle is 110-
120mm；
Third section injection pressure is 110-120MPa, and injection moulding speed 70-75mm/s, position of the screw rod apart from nozzle is 80-
90mm；
4th section of injection pressure is 110-130MPa, and injection moulding speed 45-50mm/s, position of the screw rod apart from nozzle is 55-
60mm；
4th section of injection pressure is 85-95MPa, and injection moulding speed 15-25mm/s, position of the screw rod apart from nozzle is 45-50mm；
The total duration of the injection molding is 2.8-3.2s；
S6, pressure maintaining: in a mold when melt cooling meat, continue to keep pressurized state that the melt near glue-feeder is forced constantly to be mended
It is filled in mold, the raw material of type chamber is enable to mold the complete and fine and close plastic of shape；Pressure maintaining period is divided into 3 sections:
First segment dwell pressure is 42-47MPa, and pressure maintaining speed is 12-18mm/s, time 1.0s；
Second segment dwell pressure is 65-75MPa, and pressure maintaining speed is 23-28mm/s, time 3.2s；
Third section dwell pressure is 65-70MPa, and pressure maintaining speed is 23-28mm/s, time 1.5S；
S7, cooling and shaping: cooling down product by cooling water, cooling time 20s；
S8, product stripping: sliding shoe unclamps product under the action of brace, and product is ejected by the thimble of mold, will form
Part is put into carrier, places 2-3h at room temperature；
The ejection pressure of the thimble is 42-48MPa, and ejection speed is 22-28mm/s, and the distance of thimble ejection is 8mm；Thimble
Back pressure be 38-42MPa, rollback speed be 18-22mm/s；
S9, the examination and test of products: the appearance and performance of product are tested, packed after the assay was approved.
8. the Shooting Technique of router upper cover according to claim 7, it is characterised in that: the heating temperature of the barrel point
Be 5 sections: the heating temperature of first segment is 230-240 DEG C, the heating temperature of second segment is 220-230 DEG C, the heating temperature of third section
The heating temperature that degree is 210-225 DEG C, the 4th section of heating temperature is 210-220 DEG C and the 4th section is 195-205 DEG C.
9. the Shooting Technique of router upper cover according to claim 7, it is characterised in that: penetrating for screw rod is moved back after injection molding
Pressure is 58-62MPa, and penetrating back speed degree is 28-33mm/s, and position of the screw rod apart from nozzle is 5mm.
10. the Shooting Technique of router upper cover according to claim 7, it is characterised in that: the storage of barrel after injection molding
Material process is divided into 3 sections:
First segment stock pressure is 90-100MPa, and storing speed is 65-75mm/s, and position of the screw rod apart from nozzle is 28-
32mm；
Second segment stock pressure is 90-100MPa, and storing speed is 65-75mm/s, and position of the screw rod apart from nozzle is 55-
65mm；
Third section stock pressure is 90-100MPa, and storing speed is 65-75mm/s, and position of the screw rod apart from nozzle is 125-
135mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811099807.XA CN109228207A (en) | 2018-09-20 | 2018-09-20 | The injection mold of router upper cover and the Shooting Technique of router upper cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811099807.XA CN109228207A (en) | 2018-09-20 | 2018-09-20 | The injection mold of router upper cover and the Shooting Technique of router upper cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109228207A true CN109228207A (en) | 2019-01-18 |
Family
ID=65059768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811099807.XA Pending CN109228207A (en) | 2018-09-20 | 2018-09-20 | The injection mold of router upper cover and the Shooting Technique of router upper cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109228207A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112549440A (en) * | 2019-09-25 | 2021-03-26 | 圣创实业(深圳)有限公司 | Injection molding process of plastic product |
| CN112643962A (en) * | 2019-10-10 | 2021-04-13 | 圣创实业(深圳)有限公司 | Injection molding process of mobile phone protective sleeve |
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| JPH054255A (en) * | 1991-03-20 | 1993-01-14 | Mitsui Toatsu Chem Inc | Insert molding method of transmission member |
| CN203888138U (en) * | 2014-06-09 | 2014-10-22 | 杭州中进包装制品有限公司 | Slide and stroke limiting structure of mold |
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| CN112549440A (en) * | 2019-09-25 | 2021-03-26 | 圣创实业(深圳)有限公司 | Injection molding process of plastic product |
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Application publication date: 20190118 |