CN117245844A - Double-color injection molding machine and double-color injection molding process flow - Google Patents
Double-color injection molding machine and double-color injection molding process flow Download PDFInfo
- Publication number
- CN117245844A CN117245844A CN202311312153.5A CN202311312153A CN117245844A CN 117245844 A CN117245844 A CN 117245844A CN 202311312153 A CN202311312153 A CN 202311312153A CN 117245844 A CN117245844 A CN 117245844A
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- injection molding
- molding machine
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- injection
- cylinder
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 127
- 238000002347 injection Methods 0.000 claims abstract description 51
- 239000007924 injection Substances 0.000 claims abstract description 51
- 239000003292 glue Substances 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 63
- 238000001035 drying Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 13
- 239000003086 colorant Substances 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 8
- 238000010008 shearing Methods 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 239000000155 melt Substances 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000704 physical effect 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
- B29C45/16—Making multilayered or multicoloured articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
-
- 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
- B29C45/1742—Mounting of moulds; Mould supports
-
- 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
- B29C45/18—Feeding the material into the injection moulding apparatus, i.e. feeding the non-plastified material into the injection unit
-
- 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
-
- 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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
-
- 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
- B29C45/74—Heating or cooling of the injection unit
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a double-color injection molding machine and a double-color injection molding process flow, comprising an injection molding machine A and an injection molding machine B, wherein a mold is fixed on the injection molding machine A, a first glue injection port and a second glue injection port are arranged on the mold, the injection molding machine A is connected with the first glue injection port, and the injection molding machine B is connected with the second glue injection port, so that double-color injection molding and cooling can be simultaneously performed, the precision of the injection molding machine can be effectively improved, double-color injection molding can be realized, and the product quality is good.
Description
Technical Field
The invention belongs to the technical field of double-shot molding of molds, and particularly relates to a double-shot molding machine and a double-shot molding process flow.
Background
As the name implies, the double-color injection molding machine is a machine which is realized by injection molding of two plastics with different colors and produces two plastic products with different data and different colors, and the characteristic simplification of the double-color injection molding machine can be respectively as follows: the method is independently adjustable, high in measuring precision, stable in plasticizing quality, stable in back pressure and quick in response. Two different materials are injected into the same set of mould through a certain injection device and process to obtain a finished product, the structure of the traditional horizontal rotary table type double-color injection molding belt rotary table is large and complex, two moulds are required to be injected, a connecting waterway is complex, and the occupied area of a machine is large; in the process of rotating along with the turntable, the precision of two sets of dies of the bicolor die is extremely high.
The existing injection molding machine and the existing mold have the defects that the two-color mold is burnt during opposite insertion, and when in injection molding, a color material is cooled, and meanwhile, the two colors are still in injection molding, and deformation can be caused in the process.
Disclosure of Invention
In order to solve the problems that the existing injection molding machine and the existing mold have insufficient precision, which can cause the insertion burn of the double-color mold, and the deformation can be caused in the process when the double-color material is cooled and the double-color material is injected during injection molding;
the technical scheme of the invention is as follows:
the utility model provides a double-colored injection molding machine, includes injection molding machine A and injection molding machine B, be fixed with the mould on the injection molding machine A, have first injecting glue mouth and second injecting glue mouth on the mould, injection molding machine A is connected with first injecting glue mouth, injection molding machine B is connected with the second injecting glue mouth, have first screw type injection structure on the injection molding machine A, first screw type injection structure top intercommunication has first material feeding structure, first screw type injection structure includes first feed cylinder, fixedly connected with first screw in the first feed cylinder, first screw right side end is fixed with the rotatory drive arrangement of drive first screw, drive arrangement bottom fixedly connected with drives the first screw forward-rushing screw ejection device, have second screw type injection structure on the injection molding machine B, second screw type injection structure top intercommunication has second material feeding structure, second screw type injection structure includes the second feed cylinder, fixedly connected with second screw in the second feed cylinder, second motor fixedly connected with second screw one end has the rotatory drive arrangement of drive first screw, the first screw forward-rushing of drive arrangement of second screw motor is fixed with the first screw.
Preferably, the first material feeding structure comprises a first drying cylinder, a first drying cylinder is fixed at the top of the first material cylinder, a first metering device is fixed at the top of the first drying cylinder, a first nozzle is fixedly connected to the left side end of the first material cylinder, and a first heating ring is sleeved on the periphery of the first material cylinder.
Preferably, the driving device is a motor, and an output end of the motor is fixedly connected with the first screw.
Preferably, the screw rod injection device is a first hydraulic cylinder, and the movable end of the first hydraulic cylinder is fixedly connected with the first screw rod.
Preferably, the left side fixedly connected with mould installation storehouse of first screw injection structure, the mould installation storehouse includes installation cavity and emergency exit, have the mode locking in the installation cavity, have proximity switch on the mould installation storehouse, the other first journey limit switch and the circulation switch that is provided with of emergency exit.
Preferably, the second screw injection structure is arranged on a frame, the second material feeding structure comprises a second drying cylinder, the top of the second cylinder is fixedly provided with a second drying cylinder, one end of the second cylinder, far away from the motor, is fixedly connected with a second nozzle, the periphery of the second cylinder is sleeved with a second heating ring, and a second metering device is arranged in the second cylinder.
Preferably, a second travel limit switch is arranged on the frame.
Preferably, the injection molding machine B and the injection molding machine A are connected with a controller.
The double-color injection molding process flow comprises a front mold and a rear mold, wherein a first glue injection port is formed in the front part of the rear mold, and a second glue injection port is formed in the left side of the rear mold;
the using method comprises the following steps:
step one: closing the front mould and the rear mould;
step two: respectively loading the materials with two colors into an injection molding machine A and an injection molding machine B;
step three: maintaining the pressure of the injection molding machine A and the injection molding machine B;
step four: the injection molding machine A and the injection molding machine B enter a pressure maintaining stage to continuously apply pressure, and perform synchronous double-color injection molding and compact melt; the injection molding machine A and the injection molding machine B are cooled, and after the injection is completed, the plastic material is cooled; and opening the die to take materials after cooling is finished, and finishing one cycle.
Preferably, the second step specifically includes:
respectively loading the materials with two colors into a first drying cylinder and a second drying cylinder;
the material falls into a charging hole from a first drying cylinder, the screw ejection device starts to operate, the first hydraulic cylinder drives the driving device to rotate, the driving device drives the first screw to rotate, the material is driven by the first screw to be conveyed forwards along the first screw and the screw groove, the material continuously absorbs heat transferred by the first heating ring in the advancing process, the first screw rotates to generate shearing stress, the material continuously heats under the action of the shearing stress, the material is gradually melted, the melted material is stirred and mixed uniformly through the rotation of the first screw, and the material reaching the head of the first screw is in a viscous state;
with the increase of accumulated melt at the front end of the first charging barrel, the pressure of the melt is gradually increased, the amount of the material is measured, and finally the material is injected into the die through the first hydraulic cylinder.
Compared with the prior art, the invention has the following beneficial effects:
(1) The injection molding machine has high-precision injection molding capability, can improve the precision of the mold and the machine, further improve the processing precision and consistency of products, has more accurate injection molding process, reduces the loss and abrasion of the mold, and prolongs the service life of the mold.
(2) In the embodiment of the invention, by designing one-color and two-color same-step adhesives: in the injection molding process, synchronous glue feeding of one color and two colors is realized by adjusting process parameters, so that the problem of combination caused by material physical property difference is solved, and meanwhile, the cost of a machine and a die is saved.
Drawings
FIG. 1 is a side view of an injection molding machine A according to the present invention;
FIG. 2 is a top view of the injection molding machine A of the present invention;
FIG. 3 is a schematic view of the whole structure of an injection molding machine B according to the present invention;
FIG. 4 is a schematic view of the structure of the mold of the present invention;
in the figure: 1-injection molding machine A, 11-first drying cylinder, 12-driving device, 13-first hydraulic cylinder, 14-first heating ring, 15-first nozzle, 16-circulation switch, 17-installation cavity, 18-first metering device, 2-injection molding machine B, 21-second drying cylinder, 22-second travel limit switch, 23-second hydraulic cylinder, 24-second nozzle, 25-second heating ring, 26-second metering device, 3-controller, 4-mold, 41-front mold, 42-back mold, 43-first injection port, 44-second injection port.
Detailed Description
The invention will now be described in detail with reference to the drawings and to specific embodiments.
Referring to fig. 1-2, a double-color injection molding machine comprises an injection molding machine A1 and an injection molding machine B2, wherein a first screw type injection structure is arranged on the injection molding machine A1, a die mounting bin is fixedly connected to the left side of the first screw type injection structure, the first screw type injection structure comprises a first charging barrel, a first drying barrel 11 is fixedly arranged at the top of the first charging barrel, a first metering device 18 is fixedly arranged at the top of the first drying barrel 11, a first screw is fixedly connected in the first charging barrel, a driving device 12 for driving the first screw to rotate is fixedly arranged at the right side end of the first screw, a first screw forward screw injection device is fixedly connected to the bottom of the driving device 12, a first nozzle 15 is fixedly connected to the left side end of the first charging barrel, and a first heating ring 14 is sleeved on the periphery of the first charging barrel.
The driving device 12 is a motor, and an output end of the motor is fixedly connected with the first screw.
The screw rod injection device is a first hydraulic cylinder 13, and the movable end of the first hydraulic cylinder 13 is fixedly connected with the first screw rod.
Referring to fig. 1, in the invention, the die mounting bin comprises a mounting cavity 17 and a safety door, a locking die is arranged in the mounting cavity, a proximity switch is arranged on the die mounting bin, and a first travel limit switch and a circulation switch 16 are arranged beside the safety door.
Referring to fig. 3, in this embodiment, the injection molding machine B includes a frame, a second charging barrel is provided on the frame, a second drying barrel 21 is fixed at the top of the second charging barrel, a second screw is fixedly connected in the second charging barrel, a motor for driving the second screw to rotate is fixed at one end of the second screw, a second hydraulic cylinder 23 for driving the second screw to forward is fixedly connected beside the motor, a second nozzle 24 is fixedly connected at one end, far away from the motor, of the second charging barrel, a second heating ring 25 is sleeved on the periphery of the second charging barrel, and a second metering device 26 is arranged in the second charging barrel.
Referring to fig. 3, in another embodiment of the present invention, a second travel limit switch 22 is provided on the frame.
Referring to fig. 3, in the present invention, the injection molding machine B and the injection molding machine a are connected with a controller 3.
Referring to fig. 4, the mold 4 includes a front mold 41 and a rear mold 42, a first glue injection port 43 is formed in the front portion of the rear mold 42, a second glue injection port 44 is formed in the left side of the rear mold 44, the injection molding machine A1 injects the first glue injection port 43, and the injection molding machine B2 injects the second glue injection port 44.
When the device is used, firstly, materials with two colors are respectively arranged in the drying cylinders of the first screw type injection device and the second screw type injection device;
setting parameters of an injection molding machine A, wherein the parameters of the injection molding machine B comprise screw position parameters, injection pressure, holding pressure and holding pressure time, delay injection time, barrel retreating time and mold temperature machine temperature;
step three: starting a semi-automatic starting circulation mode by the injection molding machine A, starting the injection molding machine B to click the semi-automatic circulation mode, closing a safety door, sensing a safety door signal of the injection molding machine B by a travel limit switch, pressing a circulation starting key, closing a mold in place, locking a mold to a high pressure, sensing a mold in place signal by a proximity switch, inputting a door closing final signal to the injection molding machine B, enabling an injection table of the injection molding machine B to advance to a second glue injection port position, receiving a proximity switch sensing signal, enabling the injection molding machine B to inject a glue outgoing signal, enabling the injection molding machine A and the injection molding machine B to give an injection molding outgoing signal, enabling a screw of the injection molding machine A to rotate under a hydraulic signal, enabling a material to be conveyed forward along with the rotation of a screw rod by a blanking port, enabling a shearing heat rate of plastic to be increased under high-speed filling, enabling the plastic to have the condition of viscosity reduction due to the shearing thinning effect, and enabling the whole flow resistance to be reduced; the thickness of the solidified layer is thinned due to the local viscous heating effect, injection molding of the injection molding machine is synchronized, a screw rod of the second injection molding machine rotates under the oil pressure signal, a gun barrel of the injection molding machine B retreats after the injection molding is completed, and the gun barrel of the injection molding machine B retreats to a set position;
step four: the injection molding machine A and the injection molding machine B enter a pressure maintaining stage to continuously apply pressure, and compact the melt; the injection molding machine A and the injection molding machine B are cooled, and after the injection is completed, the plastic materials are cooled for a period of time through cooling water channels in the front template and the fixed template; and opening the mould to take materials, and finishing one cycle.
The use method of the double-color injection molding process flow comprises the following steps:
step one: closing the front mould and the rear mould;
step two: respectively loading the materials with two colors into an injection molding machine A and an injection molding machine B;
step three: maintaining the pressure of the injection molding machine A and the injection molding machine B;
step four: the injection molding machine A and the injection molding machine B enter a pressure maintaining stage to continuously apply pressure, and perform synchronous double-color injection molding and compact melt; the injection molding machine A and the injection molding machine B are cooled, and after the injection is completed, the plastic material is cooled; and opening the die to take materials after cooling is finished, and finishing one cycle.
In the invention, parameters of an injection molding machine A and parameters of an injection molding machine B need to be set, including screw position parameters, injection pressure, holding pressure and holding pressure time, delay injection time, barrel retreating time and mold temperature machine temperature.
The matching of the injection molding machine and the common injection molding machine is equivalent to that of a simple double-color injection molding machine and a common double-color injection molding machine, and compared with the situation that the movable template wallboard is lack of rotation function, the injection molding machine and the common injection molding machine are more suitable for combining and beating double-color products or multicolor products.
In another embodiment of the present invention, the usage method is further specifically:
respectively loading the materials with two colors into a first drying cylinder and a second drying cylinder;
the material falls into a charging hole from a first drying cylinder, a first hydraulic cylinder drives a first screw rod to move, a motor drives the first screw rod to rotate, the material is conveyed forward along an internal spiral groove under the drive of the first screw rod, the material continuously absorbs heat transferred by a first heating ring in the advancing process, the first screw rod rotates to generate shearing stress, the material continuously heats under the action of the shearing stress, the material is gradually melted, the melted material is stirred and mixed uniformly through the rotation of the first screw rod, and the material reaching the head of the first screw rod is in a viscous state;
with the increase of accumulated melt at the front end of the first charging barrel, the pressure of the melt is gradually increased, the amount of the material is measured, and finally the material is injected into the die through the first hydraulic cylinder.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (10)
1. The utility model provides a double-colored injection molding machine, its characterized in that, including injection molding machine A and injection molding machine B, be fixed with the mould on the injection molding machine A, have first injecting glue mouth and second injecting glue mouth on the mould, injection molding machine A is connected with first injecting glue mouth, injection molding machine B is connected with the second injecting glue mouth, have first screw type injection structure on the injection molding machine A, first screw type injection structure top intercommunication has first material feeding structure, first screw type injection structure includes first feed cylinder, first feed cylinder internal fixation has first screw rod, first screw rod right side end is fixed with the rotatory drive arrangement of drive first screw rod, drive arrangement bottom fixedly connected with drives the first screw rod forward screw rod ejection device of screw rod, have second screw type injection structure on the injection molding machine B, second screw type injection structure top intercommunication has the second material feeding structure, second screw type injection structure includes the second feed cylinder, fixedly connected with second motor in the second feed cylinder, second motor fixedly connected with second screw rod forward drive arrangement has the second screw rod hydraulic pressure cylinder of second end forward drive.
2. The double-shot injection molding machine according to claim 1, wherein the first material feeding structure comprises a first drying cylinder, the first drying cylinder is fixed at the top of the first material feeding structure, the first metering device is fixed at the top of the first drying cylinder, the first nozzle is fixedly connected to the left side end of the first material feeding structure, and the first heating ring is sleeved on the periphery of the first material feeding structure.
3. The two-shot molding machine of claim 1, wherein the driving device is a motor, and an output end of the motor is fixedly connected with the first screw.
4. The dual color injection molding machine of claim 1 wherein said screw injection device is a first hydraulic cylinder, said movable end of said first hydraulic cylinder being fixedly connected to said first screw.
5. The double-shot injection molding machine of claim 1, wherein a mold mounting bin is fixedly connected to the left side of the first screw injection structure, the mold mounting bin comprises a mounting cavity and a safety door, a mold is locked in the mounting cavity, a proximity switch is arranged on the mold mounting bin, and a first travel limit switch and a circulation switch are arranged beside the safety door.
6. The double-shot injection molding machine according to claim 2, wherein the second screw injection structure is arranged on a frame, the second material feeding structure comprises a second drying cylinder, a second drying cylinder is fixed at the top of the second cylinder, a second nozzle is fixedly connected to one end, far away from the motor, of the second cylinder, a second heating ring is sleeved on the periphery of the second cylinder, and a second metering device is arranged in the second cylinder.
7. The two-shot molding machine of claim 6, wherein the frame is provided with a second travel limit switch.
8. A two-shot injection molding machine as claimed in claim 1, wherein the injection molding machine B and the injection molding machine a are connected with a controller.
9. The double-shot molding process according to claim 6, wherein the mold comprises a front mold and a rear mold, a first glue injection port is formed in the front part of the rear mold, and a second glue injection port is formed in the left side of the rear mold;
the using method comprises the following steps:
step one: closing the front mould and the rear mould;
step two: respectively loading the materials with two colors into an injection molding machine A and an injection molding machine B;
step three: maintaining the pressure of the injection molding machine A and the injection molding machine B;
step four: the injection molding machine A and the injection molding machine B enter a pressure maintaining stage to continuously apply pressure, and perform synchronous double-color injection molding and compact melt; the injection molding machine A and the injection molding machine B are cooled, and after the injection is completed, the plastic material is cooled; and opening the die to take materials after cooling is finished, and finishing one cycle.
10. The two-shot molding process according to claim 9, wherein the method of use further comprises:
respectively loading the materials with two colors into a first drying cylinder and a second drying cylinder;
the material falls into a feed inlet in the injection molding machine A from a first drying cylinder, the other material falls into a feed inlet in the injection molding machine B from a second drying cylinder, the screw injection device starts to operate, the first hydraulic cylinder and the second hydraulic cylinder respectively drive the first screw and the second screw to move, the first screw and the second screw are driven by a motor to rotate, the material is conveyed forwards along an internal screw groove under the driving of the first screw and the second screw, the first heating ring and the second heating ring respectively transfer the heat required to be absorbed by the respective material in the advancing process, the first screw and the second screw rotate to generate shearing stress, the material is continuously heated under the action of the shearing stress, the material is gradually melted, the melted material is stirred and evenly mixed through the rotation of the first screw and the second screw, and the material reaching the heads of the first screw and the second screw is in a viscous state;
with the increase of accumulated melt at the front end of the first charging barrel, the pressure of the melt is gradually increased, the amount of the material is measured, and finally the material is injected into the die through the first hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311312153.5A CN117245844A (en) | 2023-10-11 | 2023-10-11 | Double-color injection molding machine and double-color injection molding process flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311312153.5A CN117245844A (en) | 2023-10-11 | 2023-10-11 | Double-color injection molding machine and double-color injection molding process flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117245844A true CN117245844A (en) | 2023-12-19 |
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ID=89129181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311312153.5A Pending CN117245844A (en) | 2023-10-11 | 2023-10-11 | Double-color injection molding machine and double-color injection molding process flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117245844A (en) |
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2023
- 2023-10-11 CN CN202311312153.5A patent/CN117245844A/en active Pending
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