CN109228173A - The injection mold of handle and the Shooting Technique of handle - Google Patents
The injection mold of handle and the Shooting Technique of handle Download PDFInfo
- Publication number
- CN109228173A CN109228173A CN201811099826.2A CN201811099826A CN109228173A CN 109228173 A CN109228173 A CN 109228173A CN 201811099826 A CN201811099826 A CN 201811099826A CN 109228173 A CN109228173 A CN 109228173A
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- Prior art keywords
- injection
- caster
- mold
- plate
- male
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- 238000002347 injection Methods 0.000 title claims abstract description 59
- 239000007924 injection Substances 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000001746 injection moulding Methods 0.000 claims description 35
- 239000002994 raw material Substances 0.000 claims description 28
- 238000010438 heat treatment Methods 0.000 claims description 15
- 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 description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000000465 moulding Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 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
- 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
- B29C45/26—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
- B29C45/0025—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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- 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
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 the Shooting Technique of a kind of injection mold of handle and handle, 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 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, if cooling chamber is equipped with dry plate turbulent flow piece close to the side wall of mother module core, and the angle between turbulent flow piece and the side wall of cooling chamber is 30-45 °.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 handle.
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 the Shooting Techniques of a kind of injection mold of handle and handle, are convenient for
Product is demoulded, and cooling time is reduced, and is kept entire product cooling uniformly, is improved production efficiency, guarantee the beauty of product surface
Degree and quality.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of injection mold of handle, including
Panel, water gap plate, female module, male module and bottom plate, the water gap plate is between the panel and the female module, 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；
The male template is equipped with sliding shoe, and the sliding shoe has an abutting portion, and the abutting portion is located at that type is intracavitary and and type
Chamber collectively forms the cavity for being used to form handle, and the sliding shoe is equipped with the brace that driving sliding shoe slides in or out type chamber, institute
It states brace and is fixed on caster；
The brace skids off the direction of sliding shoe along brace and gradually tilts to the center of mold, the sliding shoe be equipped with
The corresponding pilot hole of brace, the inclined direction of the pilot hole and the inclined direction of brace are consistent；
The side wall of the caster is equipped with master mold water inlet and master mold water outlet, is equipped with cooling chamber, institute in the caster
It states master mold water inlet and the master mold water outlet is all connected to cooling chamber, the cooling chamber is set close to the side wall of the mother module core
If having dry plate turbulent flow piece, and the angle between the turbulent flow piece and the side wall of cooling chamber is 30-45 °.
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 and the male template are all equipped with the sliding eye to match with the limiting section of second limit pull rod.
It further says, the panel is equipped with sprue bush, and the inside of the sprue bush is equipped with sprue channel, the cast gate stream
Road is connected to the surface of the caster into glue runner, described to be connected into glue runner with the glue-feeder of caster, the master mold
The glue-feeder of plate is connected to the gum-injecting port of the mother module core, and the gum-injecting port of the mother module core is connected to the type chamber.
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.
It further says, the panel is equipped with guide rod, the water gap plate, the caster, the male template and described
Support block is equipped with the through-hole to match with the guide rod.
It further says, further includes support column, the both ends of the support column are connect with the male template and bottom plate respectively.
The present invention is that further technical solution is used by solving its technical problem:
Utilize the Shooting Technique of the injection mold manufacture handle of above-mentioned handle, 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 80-90
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 230-240 DEG C；
Injection process is divided into 4 stages:
First segment injection pressure is 90-100MPa, and injection moulding speed 40-50mm/s, position of the screw rod apart from nozzle is 75-
80mm；
Second segment injection pressure is 80-90MPa, and injection moulding speed 20-30mm/s, position of the screw rod apart from nozzle is 70-
80mm；
Third section injection pressure is 90-100MPa, and injection moulding speed 55-60mm/s, position of the screw rod apart from nozzle is 45-
50mm；
4th section of injection pressure is 70-80MPa, and injection moulding speed 20-25mm/s, position of the screw rod apart from nozzle is 40-
45mm；
The total duration of the injection molding is 2.2-2.8s；
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 2 sections:
First segment dwell pressure is 20-25MPa, and pressure maintaining speed is 10-14mm/s, time 1.3s；
Second segment dwell pressure is 75-80MPa, and pressure maintaining speed is 12-18mm/s, time 2.5s；
S7, cooling and shaping: cooling down product by cooling water, cooling time 15s；
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 38-42mm/s, and the distance of thimble ejection is
57mm；The back pressure of thimble is 38-42MPa, and rollback speed is 42-48mm/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 3 sections: the heating temperature of first segment is 225-235 DEG C, second
The heating temperature of section is 220-230 DEG C and the heating temperature of third section is 210-220 DEG C.
It further says, penetrating for screw rod moves back pressure as 52-58MPa after injection molding, and penetrating back speed degree is 22-28mm/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 95-105MPa, and storing speed is 75-85mm/s, and position of the screw rod apart from nozzle is 28-
32mm；
Second segment stock pressure is 95-105MPa, and storing speed is 75-85mm/s, and position of the screw rod apart from nozzle is 48-
52mm；
Third section stock pressure is 95-105MPa, and storing speed is 78-82mm/s, and position of the screw rod apart from nozzle is 78-
85mm。
Beneficial effects of the present invention at least have the following:
Male template of the invention is equipped with sliding shoe, and sliding shoe has abutting portion, and it is intracavitary and total with type chamber that abutting portion is located at type
With the cavity for being used to form handle is constituted, sliding shoe is equipped with the brace that driving sliding shoe slides in or out type chamber, sliding in die sinking
Motion block separates under the drive of brace with product, to reduce the difficulty of demoulding, improves production efficiency；
Cooling chamber is equipped in caster of the invention, master mold water inlet and master mold water outlet are all connected to cooling chamber, cooling
If chamber is equipped with dry plate turbulent flow piece close to the side wall of mother module core, and the angle between turbulent flow piece and the side wall of cooling chamber is 30-
45 °, so that cooling water be made to form turbulent area between turbulent flow piece and the side wall of cooling chamber, cooling efficiency is improved, entire product is made
It is cooling uniform, reduce 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 one of first limit pull rod and the second limit pull rod of the invention, one end of the first limit pull rod and the second limit pull rod
End all has limiting section, and the limiting section of first limit pull rod one end is installed on the sliding eye of panel, and the first limit pull rod is another
One end is connect with the second limit pull rod, so that the displacement of panel, water gap plate and caster is limited in die sinking, in demoulding,
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 at sliding shoe of the invention；
Fig. 5 is the structural schematic diagram of sliding shoe of the invention；
Fig. 6 is the cross-sectional view at the first limit pull rod of the invention；
Fig. 7 is the cross-sectional view of caster of the invention；
Fig. 8 is the cross-sectional view 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, turbulent flow piece 551, mother module core 6, gum-injecting port 61, male template 7, sliding shoe 71, contradict
Portion 711, pilot hole 712, 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, the second limit pull rod 500, support column 600, sprue bush 700, pour
Mouth runner 701, guide rod 800 and brace 900.
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 handle, as Figure 1-Figure 8, including panel 1, water gap plate 2, female module, male model
Block 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 support blocks 4, institute
It states male module and is 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；
The male template 7 is equipped with sliding shoe 71, and the sliding shoe 71 has abutting portion 711, and the sliding shoe 711 is located at type
Intracavitary and the cavity for being used to form handle is collectively formed with type chamber, the sliding shoe 71 is equipped with driving sliding shoe 71 and slides in or out
The brace 900 of type chamber, the brace 900 are fixed on caster 5；
The brace 900 is gradually tilted to the center of mold along the direction that brace 900 skids off sliding shoe 71, the sliding
Block 71 is equipped with pilot hole 712 corresponding with brace 900, the inclined direction of the pilot hole 712 and the inclined direction one of brace 900
It causes；
The side wall of the caster 5 is equipped with master mold water inlet 51 and master mold water outlet 52, is equipped with cooling in the caster 5
Chamber 55, the master mold water inlet 51 and the master mold water outlet 52 are all connected to cooling chamber 55, and the cooling chamber 55 is close to described
If the side wall of mother module core 6 is equipped with dry plate turbulent flow piece 551, and the angle between the turbulent flow piece 551 and the side wall of cooling chamber 55
It is 30-45 °.
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 and the male template 7 are all equipped with and second limit pull rod 500
The sliding eye 11 that matches of limiting section 401.
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 61 of the mother module core 6, the gum-injecting port 61 of the mother module core 6 and institute
State the connection of type chamber.
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.
It further include support column 600, the both ends of the support column 600 are connect with the male template 7 and bottom plate 3 respectively.
Utilize the Shooting Technique of the injection mold manufacture handle of above-mentioned handle, 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 80-90
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 230-240 DEG C；
Injection process is divided into 4 stages:
First segment injection pressure is 90-100MPa, and injection moulding speed 40-50mm/s, position of the screw rod apart from nozzle is 75-
80mm；
Second segment injection pressure is 80-90MPa, and injection moulding speed 20-30mm/s, position of the screw rod apart from nozzle is 70-
80mm；
Third section injection pressure is 90-100MPa, and injection moulding speed 55-60mm/s, position of the screw rod apart from nozzle is 45-
50mm；
4th section of injection pressure is 70-80MPa, and injection moulding speed 20-25mm/s, position of the screw rod apart from nozzle is 40-
45mm；
The total duration of the injection molding is 2.2-2.8s；
S6, pressure maintaining: in a mold when melt cooling meat, continue that pressurized state is kept to force the melt near glue-feeder 54
It is continuously replenished 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 2 sections:
First segment dwell pressure is 20-25MPa, and pressure maintaining speed is 10-14mm/s, time 1.3s；
Second segment dwell pressure is 75-80MPa, and pressure maintaining speed is 12-18mm/s, time 2.5s；
S7, cooling and shaping: cooling down product by cooling water, cooling time 15s；
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 38-42mm/s, and the distance of thimble ejection is
57mm；The back pressure of thimble is 38-42MPa, and rollback speed is 42-48mm/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 3 sections: the heating temperature of first segment is the heating temperature of 225-235 DEG C, second segment
Degree is 220-230 DEG C and the heating temperature of third section is 210-220 DEG C.
Penetrating for screw rod moves back pressure as 52-58MPa after injection molding, and penetrating back speed degree is 22-28mm/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 95-105MPa, and storing speed is 75-85mm/s, and position of the screw rod apart from nozzle is 28-
32mm；
Second segment stock pressure is 95-105MPa, and storing speed is 75-85mm/s, and position of the screw rod apart from nozzle is 48-
52mm；
Third section stock pressure is 95-105MPa, and storing speed is 78-82mm/s, and position of the screw rod apart from nozzle is 78-
85mm。
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 handle, it is characterised in that: including panel (1), water gap plate (2), female module, male module and 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), the male module
It 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；
The male template be equipped with sliding shoe (71), the sliding shoe have abutting portion (711), the abutting portion be located at type it is intracavitary and
The cavity for being used to form handle is collectively formed with type chamber, the sliding shoe is equipped with the brace that driving sliding shoe slides in or out type chamber
(900), the brace is fixed on caster；
The brace is gradually tilted to the center of mold along the direction that brace skids off sliding shoe, and the sliding shoe is equipped with and brace
Corresponding pilot hole (712), the inclined direction of the pilot hole and the inclined direction of brace are consistent；
The side wall of the caster is equipped with master mold water inlet (51) and master mold water outlet (52), is equipped with cooling chamber in the caster
(55), the master mold water inlet and the master mold water outlet are all connected to cooling chamber, and the cooling chamber is close to the mother module core
If side wall be equipped with dry plate turbulent flow piece (551), and the angle between the turbulent flow piece and the side wall of cooling chamber is 30-45 °.
2. the injection mold of handle according to claim 1, it is characterised in that: further include the first limit pull rod (400) and
Second limit pull rod (500), one end of first limit pull rod and one end of the second limit pull rod all have limiting section (401)
It is detached from limiting caster, water gap plate and panel, the limiting section of one end of first limit pull rod is installed on the panel
Sliding eye (11), and the other end of first limit pull rod is connect with the second limit pull rod, the caster and the male model
Plate is all equipped with the sliding eye to match with the limiting section of second limit pull rod.
3. the injection mold of handle according to claim 1, it is characterised in that: the panel is equipped with sprue bush (700), institute
The inside for stating sprue bush is equipped with sprue channel (701), the surface of the sprue channel and the caster into glue runner (53)
Connection, described to be connected into glue runner with the glue-feeder (54) of caster, the note of the glue-feeder of the caster and the mother module core
Jiao Kou (61) connection, the gum-injecting port of the mother module core are connected to the type chamber.
4. the injection mold of handle according to claim 1, it is characterised in that: the ejector retainner plate include mounting plate (91) and
Top plate (92), the top plate is between the bottom plate and the mounting plate, table that the mounting plate and the top plate fit
Face is equipped with the mounting hole (911) of installation thimble plush copper.
5. the injection mold of handle according to claim 1, it is characterised in that: the panel is equipped with guide rod (800), institute
It states water gap plate, the caster, the male template and the support block and is equipped with the through-hole to match with the guide rod.
6. the injection mold of handle according to claim 1, it is characterised in that: further include support column (600), the support
The both ends of column are connect with the male template and bottom plate respectively.
7. the Shooting Technique of handle 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 80-90 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 230-240 DEG C；
Injection process is divided into 4 stages:
First segment injection pressure is 90-100MPa, and injection moulding speed 40-50mm/s, position of the screw rod apart from nozzle is 75-
80mm；
Second segment injection pressure is 80-90MPa, and injection moulding speed 20-30mm/s, position of the screw rod apart from nozzle is 70-80mm；
Third section injection pressure is 90-100MPa, and injection moulding speed 55-60mm/s, position of the screw rod apart from nozzle is 45-
50mm；
4th section of injection pressure is 70-80MPa, and injection moulding speed 20-25mm/s, position of the screw rod apart from nozzle is 40-45mm；
The total duration of the injection molding is 2.2-2.8s；
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 2 sections:
First segment dwell pressure is 20-25MPa, and pressure maintaining speed is 10-14mm/s, time 1.3s；
Second segment dwell pressure is 75-80MPa, and pressure maintaining speed is 12-18mm/s, time 2.5s；
S7, cooling and shaping: cooling down product by cooling water, cooling time 15s；
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 38-42mm/s, and the distance of thimble ejection is 57mm；Top
The back pressure of needle is 38-42MPa, and rollback speed is 42-48mm/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 handle according to claim 7, it is characterised in that: the heating temperature of the barrel is divided into 3 sections:
The heating temperature of first segment is 225-235 DEG C, the heating temperature of second segment is 220-230 DEG C and the heating temperature of third section is
210-220℃。
9. the Shooting Technique of handle according to claim 7, it is characterised in that: penetrating for screw rod moves back pressure and be after injection molding
52-58MPa, penetrating back speed degree is 22-28mm/s, and position of the screw rod apart from nozzle is 5mm.
10. the Shooting Technique of handle according to claim 7, it is characterised in that: the storing process of barrel after injection molding
It is divided into 3 sections:
First segment stock pressure is 95-105MPa, and storing speed is 75-85mm/s, and position of the screw rod apart from nozzle is 28-
32mm；
Second segment stock pressure is 95-105MPa, and storing speed is 75-85mm/s, and position of the screw rod apart from nozzle is 48-
52mm；
Third section stock pressure is 95-105MPa, and storing speed is 78-82mm/s, and position of the screw rod apart from nozzle is 78-
85mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811099826.2A CN109228173A (en) | 2018-09-20 | 2018-09-20 | The injection mold of handle and the Shooting Technique of handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811099826.2A CN109228173A (en) | 2018-09-20 | 2018-09-20 | The injection mold of handle and the Shooting Technique of handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109228173A true CN109228173A (en) | 2019-01-18 |
Family
ID=65059424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811099826.2A Pending CN109228173A (en) | 2018-09-20 | 2018-09-20 | The injection mold of handle and the Shooting Technique of handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109228173A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113211749A (en) * | 2021-04-28 | 2021-08-06 | 嵊州市索奥汽车零部件有限公司 | Camping lamp handle preparation process |
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| 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 |
| CN105128288A (en) * | 2015-08-25 | 2015-12-09 | 芜湖市恒峰科技有限公司 | Television set front shell injection mold |
| CN205165808U (en) * | 2015-09-29 | 2016-04-20 | 苏州飞拓精密模具有限公司 | Die casting die of magnesium alloy fan |
| CN106113428A (en) * | 2016-06-24 | 2016-11-16 | 芜湖恒信汽车内饰制造有限公司 | A kind of Shooting Technique of PP LGF30 material fronts module |
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2018
- 2018-09-20 CN CN201811099826.2A patent/CN109228173A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE319288B (en) * | 1966-12-23 | 1970-01-12 | Olin Mathieson | |
| US20080314559A1 (en) * | 2007-06-21 | 2008-12-25 | Hsu I-Ta | Heat exchange structure and heat dissipating apparatus having the same |
| CN202528390U (en) * | 2012-01-20 | 2012-11-14 | 苏州胜利精密制造科技股份有限公司 | Programmable logic controller (PLC)-control-based double-layer injection mold |
| 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 |
| CN105128288A (en) * | 2015-08-25 | 2015-12-09 | 芜湖市恒峰科技有限公司 | Television set front shell injection mold |
| CN205165808U (en) * | 2015-09-29 | 2016-04-20 | 苏州飞拓精密模具有限公司 | Die casting die of magnesium alloy fan |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113211749A (en) * | 2021-04-28 | 2021-08-06 | 嵊州市索奥汽车零部件有限公司 | Camping lamp handle preparation process |
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