CN114274454A - Manufacturing method of mixed color injection molding device - Google Patents
Manufacturing method of mixed color injection molding device Download PDFInfo
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- CN114274454A CN114274454A CN202111586326.3A CN202111586326A CN114274454A CN 114274454 A CN114274454 A CN 114274454A CN 202111586326 A CN202111586326 A CN 202111586326A CN 114274454 A CN114274454 A CN 114274454A
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 85
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000007599 discharging Methods 0.000 claims abstract description 91
- 239000000463 material Substances 0.000 claims abstract description 75
- 230000007246 mechanism Effects 0.000 claims abstract description 64
- 238000002347 injection Methods 0.000 claims description 33
- 239000007924 injection Substances 0.000 claims description 33
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 229920003023 plastic Polymers 0.000 description 8
- 239000004033 plastic Substances 0.000 description 8
- 238000000465 moulding Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000411 inducer Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
A manufacturing method of a color mixing injection molding device comprises the following steps of manufacturing a main injection molding part, an auxiliary injection molding part, a color mixing mechanism, a nozzle and a positioning device; connecting the main injection molding part and the auxiliary injection molding part to a positioning device; arranging the color mixing mechanism in the flange connecting body, respectively connecting the discharge ends of the main injection molding part and the auxiliary injection molding part with the flange connecting body, and respectively communicating the discharge ends of the main injection molding part and the auxiliary injection molding part with the feed end of the color mixing mechanism; the nozzle is connected with the discharge end of the color mixing mechanism; the feeding end of the color mixing mechanism is provided with a main feeding hole and an auxiliary feeding hole, and the discharging end of the color mixing mechanism is provided with a main discharging concave part and an auxiliary discharging concave part; communicating the auxiliary feeding hole with the main discharging concave part, and communicating the main feeding hole with the auxiliary discharging concave part; a main material check valve is arranged in the main discharging concave part, and an auxiliary material check valve is arranged in the auxiliary discharging concave part. The invention has the advantages that: can prevent material backflow, and the ejection of compact is smooth and easy, excellent in use effect.
Description
Technical Field
The invention relates to the technical field of manufacturing of injection molding devices, in particular to a manufacturing method of a color-mixing injection molding device.
Background
The traditional Chinese patent with the patent number of CN202110133976.6 entitled "a color mixing injection platform and injection molding machine" discloses a color mixing injection platform of an injection molding machine and an injection molding machine, wherein the color mixing injection platform comprises an injection platform base, a sliding bottom plate, a main injection platform mechanism, an auxiliary injection platform mechanism, a movable oil cylinder mechanism, a flange connector, a color mixing mechanism and an injection nozzle, the sliding bottom plate is connected to the injection platform base in a sliding way, the main injection platform mechanism and the auxiliary injection platform mechanism are fixed on the sliding bottom plate, the discharge ends of the main injection platform mechanism and the auxiliary injection platform mechanism are respectively connected with the flange connector, and the included angle of the horizontal projection of the main injection platform mechanism and the auxiliary injection platform mechanism is smaller than 90 degrees; the movable oil cylinder mechanism is used for driving the sliding bottom plate to slide back and forth along the injection platform base, the color mixing mechanism is arranged in the flange connecting body, the discharge ends of the main injection platform mechanism and the auxiliary injection platform mechanism are respectively communicated with the feed end of the color mixing mechanism, and the injection nozzle is connected with the discharge end of the color mixing mechanism; the color mixing shooting table is compact in mechanism, short in material flowing distance and capable of effectively avoiding change of material properties. However, the valve core in the color mixing injection platform plays a role in regulating flow and opening and closing a channel, and cannot be used as a non-return structure on the injection head, so that material backflow may occur in the injection process of the color mixing injection platform, channel blockage or other accidents are caused, the injection effect is affected, and the use is unsafe, so the structure of the injection molding machine needs to be further improved.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a manufacturing method of a mixed color injection molding device, which can prevent material backflow, has smooth discharging and good injection molding effect, aiming at the current situation of the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: the manufacturing method of the mixed color injection molding device comprises the following steps,
firstly, manufacturing a main injection molding part, an auxiliary injection molding part, a color mixing mechanism, a nozzle and a positioning device;
secondly, connecting the main injection molding part and the auxiliary injection molding part to a positioning device;
thirdly, arranging the color mixing mechanism in the flange connecting body, respectively connecting the discharge ends of the main injection molding part and the auxiliary injection molding part with the flange connecting body, and respectively communicating the discharge ends of the main injection molding part and the auxiliary injection molding part with the feed end of the color mixing mechanism;
fourthly, the nozzle is connected with the discharge end of the color mixing mechanism;
the method is characterized in that: in the first step, the specific method for manufacturing the color mixing mechanism comprises the following steps:
A. the feeding end of the color mixing mechanism is provided with a main feeding hole which can be communicated with the discharging end of the main injection molding part and an auxiliary feeding hole which is distributed around the main feeding hole and can be communicated with the discharging end of the auxiliary injection molding part, and the discharging end of the color mixing mechanism is provided with a main discharging concave part and an auxiliary discharging concave part which is distributed around the main discharging concave part;
B. the auxiliary feeding hole is communicated with the main discharging concave part through a communicating pipeline arranged in the color mixing mechanism, and the main feeding hole is communicated with the auxiliary discharging concave part through a reverse communicating pipeline arranged in the color mixing mechanism;
C. the main material check valve capable of preventing the main material from flowing back to the communicating pipeline is arranged in the main discharging concave part, and the auxiliary material check valve capable of preventing the auxiliary material from flowing back to the reverse communicating pipeline is arranged in the auxiliary discharging concave part.
As an improvement, the color mixing mechanism may preferably include a color mixing disc, the main feeding port is located in the middle of the feeding end of the color mixing disc, an annular feeding groove capable of communicating with the discharging end of the secondary injection molding part is formed on the end surface of the color mixing disc around the main feeding port, the secondary feeding ports are distributed on the bottom surface of the annular feeding groove, each secondary feeding port is communicated with the inlet of a respective communication pipe, the outlet of each communication pipe is communicated with the inlet of a header pipe, the outlet of the header pipe is communicated with the main discharging concave part, the main discharging concave part is located in the middle of the discharging end of the color mixing disc, and the secondary discharging concave part is distributed around the discharging end of the color mixing disc around the main discharging concave part.
In a further improvement, a collecting hole can be preferably arranged in the color mixing disc positioned on the bottom surface of the main discharging concave part, the collecting hole is the collecting pipe, each communicating pipeline comprises an auxiliary feeding axial hole and an auxiliary feeding radial hole, one end of each auxiliary feeding radial hole is communicated with the collecting hole, the other end of each auxiliary feeding radial hole is positioned on the outer wall of the color mixing disc, one end of each auxiliary feeding axial hole is communicated with the middle part of each auxiliary feeding radial hole, and an opening at the other end of each auxiliary feeding radial hole is an auxiliary feeding hole.
The improved color mixing disc comprises a color mixing disc, wherein the color mixing disc comprises a main feeding concave part, a main feeding hole is formed in the middle of the feeding end of the color mixing disc, the main feeding hole is an opening of the main feeding concave part, each reverse communicating pipeline comprises a main feeding axial hole and a main feeding radial hole, one end of each main feeding radial hole is communicated with the corresponding main feeding concave part, the other end of each main feeding radial hole is located on the outer wall of the color mixing disc, one end of each main feeding axial hole is communicated with the middle of the corresponding main feeding radial hole, and the other end of each main feeding radial hole is communicated with an auxiliary discharging concave part.
In a further improvement, the number of the auxiliary discharging concave parts is preferably three, and the three auxiliary discharging concave parts are arranged on the same circumference around the main discharging concave part at equal intervals.
As an improvement, the main material check valve may preferably include a main steel ball located in the main discharging recess and a main steel ball holder fitted over an opening of the main discharging recess, the sub material check valve includes a sub steel ball located in each sub discharging recess and a sub steel ball holder fitted over an opening of each sub discharging recess, the color mixing mechanism further includes a flow guide cone, one end of the flow guide cone is capped on a discharging end of the color mixing disk, and the flow guide cone is provided with a main material guide hole communicating with the main material check valve and a sub material guide hole communicating with the sub material check valve.
Further improved, the diversion cone preferably comprises a cone front section and a cone rear section, the diameter of the cone rear section is larger than that of the cone front section, the rear end face of the cone rear section is covered on the discharging end of the color mixing disc, the outer wall of the front section of the cone is circumferentially provided with auxiliary guide grooves which axially penetrate through the outer wall of the front section of the cone, the auxiliary guide holes are circumferentially arranged on the rear section of the cone, the auxiliary material guide hole axially penetrates through the rear section of the cone, the auxiliary material guide hole is communicated with the auxiliary diversion trench, an annular communicating groove is arranged on the rear end face of the rear section of the cone, the end openings of all the auxiliary material guide holes are positioned on the bottom surface of the communicating groove, main guide grooves axially penetrating through the front half section of the front section of the cone are arranged on the outer wall of the front section of the cone between the auxiliary guide grooves, the main material guide hole is positioned in the rear half section of the front section of the cone and is communicated with the main diversion groove through a communication hole arranged in the radial direction.
The improved color mixing disc is characterized in that a rear end face concave part can be preferably arranged in the middle of the rear end face of the rear section of the cone, a disc body bulge is arranged in the middle of the end face of the discharge end of the color mixing disc, the disc body bulge can be inserted into the concave part of the rear end face, and the main discharge concave part is positioned on the disc body bulge.
As an improvement, the flange connector can preferably include a connection front body and a connection rear body, the color mixing mechanism is fixed in an installation cavity formed by the connection front body and the connection rear body in a combined mode, the nozzle sleeve is arranged at the end portion of the connection front body, the connection rear body is respectively connected with the main injection molding portion and the auxiliary connecting rod, the auxiliary connecting rod is connected with the auxiliary injection molding portion, an included angle between the main injection molding portion and the auxiliary injection molding portion in horizontal projection is smaller than 90 degrees, a main communicating channel in the connection rear body is communicated with a main feeding port and a discharging end of the main injection molding portion, an auxiliary communicating channel in the connection rear body is communicated with an auxiliary feeding port and a rod body through hole of the auxiliary connecting rod, and the rod body through hole is communicated with a discharging end of the auxiliary injection molding portion.
As an improvement, the positioning device preferably comprises a positioning plate and a base, the main injection molding part and the auxiliary injection molding part are connected to the positioning plate, the positioning plate is connected to the base in a sliding manner, and the positioning plate is connected with a driving oil cylinder capable of driving the positioning plate to slide back and forth relative to the base.
Compared with the prior art, the invention has the advantages that: through the ingenious design of passageway in the colour mixing mechanism to can set up the check valve structure that two kinds of materials correspond in colour mixing mechanism, realize the non return function to two kinds of colour materials, when two kinds of colour materials are carried to shooting mouth department from colour mixing mechanism, the check valve plays the non return effect, prevent to get into the material backward flow of shooting mouth to the colour mixing mechanism in, the purpose that prevents the material backward flow has been realized, it is smooth and easy to make the injection molding machine ejection of compact, the passageway is difficult for blockking up, it is effectual to mould plastics, high durability and safety, avoid the emergence of the unexpected condition.
Drawings
FIG. 1 is a perspective view of a color-mixing injection molding apparatus according to an embodiment of the present invention;
FIG. 2 is an exploded view of the structure of FIG. 1;
FIG. 3 is a cross-sectional view of the flange connector shown in FIG. 1 taken along a vertical plane along the central axis of the main injection molded part;
FIG. 4 is a cross-sectional view of the main injection molding part and the sub injection molding part taken along a horizontal plane with the central axes of the main injection molding part and the sub injection molding part in FIG. 1, showing the internal structure of the main injection molding part and the sub injection molding part respectively connected with the flange connector;
FIG. 5 is an exploded view of the primary and secondary injection molded parts and flange connection of FIG. 2;
FIG. 6 is a perspective view of FIG. 5 with the primary and secondary injection sections removed;
FIG. 7 is an exploded view of the structure of FIG. 6;
FIG. 8 is a perspective view of the inducer of FIG. 7;
FIG. 9 is a perspective view of FIG. 8 at another angle;
FIG. 10 is a perspective view of the color mixing disk of FIG. 7;
FIG. 11 is an exploded view of the structure of FIG. 10;
FIG. 12 is a perspective view of FIG. 10 at another angle;
FIG. 13 is a cross-sectional view of the combination of the guide cone and the color mixer disk of FIG. 7 taken along a vertical plane of the central axis of the combination showing the internal communication relationship therebetween;
FIG. 14 is an exploded view of the FIG. 13 construction, with the cone rotated 90 degrees;
FIG. 15 is an enlarged view of portion I of FIG. 3;
fig. 16 is an enlarged view of a portion II in fig. 4.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 16, the manufacturing method of the mixed color injection molding device of the present embodiment includes the following steps,
firstly, manufacturing a main injection molding part 1, an auxiliary injection molding part 2, a color mixing mechanism, a nozzle 7 and a positioning device 3;
secondly, connecting the main injection part 1 and the auxiliary injection part 2 to a positioning device 3;
thirdly, arranging the color mixing mechanism in the flange connector 4, respectively connecting the discharge ends of the main injection part 1 and the auxiliary injection part 2 with the flange connector 4, and respectively communicating the discharge ends of the main injection part 1 and the auxiliary injection part 2 with the feed end of the color mixing mechanism;
fourthly, the nozzle 7 is connected with the discharge end of the color mixing mechanism;
in the first step, the specific method for manufacturing the color mixing mechanism comprises the following steps:
A. a main feeding hole which can be communicated with the discharging end of the main injection molding part 1 and an auxiliary feeding hole which is distributed around the main feeding hole and can be communicated with the discharging end of the auxiliary injection molding part 2 are arranged at the feeding end of the color mixing mechanism, and a main discharging concave part 51 and an auxiliary discharging concave part 52 which is distributed around the main discharging concave part 51 are arranged at the discharging end of the color mixing mechanism;
B. the auxiliary feeding hole is communicated with the main discharging concave part 51 through a communicating pipeline arranged in the color mixing mechanism, and the main feeding hole is communicated with the auxiliary discharging concave part 52 through a reverse communicating pipeline arranged in the color mixing mechanism;
C. a main material check valve capable of preventing the main material from flowing back to the communicating pipe is provided in the main discharge recess 51, and an auxiliary material check valve capable of preventing the auxiliary material from flowing back to the communicating pipe is provided in the auxiliary discharge recess 52.
The main injection molding part 1 comprises a main screw rod and material cylinder combined structure, a main material cylinder fixing frame and a main material feeding valve, the auxiliary injection molding part 2 comprises an auxiliary screw rod and material cylinder combined structure, an auxiliary material cylinder fixing frame and an auxiliary material feeding valve, and the specific structures of the main injection molding part 1 and the auxiliary injection molding part 2 belong to the prior art, can refer to the content disclosed in the background technology, and therefore are not described in detail.
The color mixing mechanism comprises a color mixing disc 5, a main feeding hole is positioned in the middle of the feeding end of the color mixing disc 5, an annular feeding groove 53 which can be communicated with the discharging end of the auxiliary injection molding part 2 is formed in the end face of the color mixing disc 5 around the main feeding hole, the auxiliary feeding holes are distributed in the bottom face of the annular feeding groove 53, each auxiliary feeding hole is communicated with the inlet of a corresponding communicating pipeline, the outlet of each communicating pipeline is communicated with the inlet of a header, the outlet of the header is communicated with a main discharging concave part 51, the main discharging concave part 51 is positioned in the middle of the discharging end of the color mixing disc 5, and the auxiliary discharging concave parts 52 are distributed around the discharging end of the color mixing disc 5 around the main discharging concave part 51 in a surrounding mode. A collecting hole 54 is formed in the color mixing disc 5 positioned on the bottom surface of the main discharging concave part 51, the collecting hole 54 is a collecting pipe, each communicating pipe comprises an auxiliary feeding axial hole 55 and an auxiliary feeding radial hole 56, one end of the auxiliary feeding radial hole 56 is communicated with the collecting hole 54, the other end of the auxiliary feeding radial hole 56 is positioned on the outer wall of the color mixing disc 5, one end of the auxiliary feeding axial hole 55 is communicated with the middle part of the auxiliary feeding radial hole 56, and the opening of the other end of the auxiliary feeding radial hole 56 is an auxiliary feeding hole. The middle of the feeding end of the color mixing disc 5 is provided with a main feeding concave part 57, the main feeding hole is an opening of the main feeding concave part 57, each reverse communication pipeline comprises a main feeding axial hole 58 and a main feeding radial hole 59, one end of the main feeding radial hole 59 is communicated with the main feeding concave part 57, the other end of the main feeding radial hole 59 is positioned on the outer wall of the color mixing disc 5, one end of the main feeding axial hole 58 is communicated with the middle of the main feeding radial hole 59, and the other end of the main feeding radial hole 59 is communicated with the auxiliary discharging concave part 52. Three sub discharging recesses 52 are provided, and the three sub discharging recesses 52 are arranged at equal intervals on the same circumference around the main discharging recess 51.
The main material check valve comprises main steel balls 501 arranged in the main discharging concave part 51 and main steel ball supports 502 sleeved on the opening of the main discharging concave part 51, the auxiliary material check valve comprises auxiliary steel balls 503 arranged in each auxiliary discharging concave part 52 and auxiliary steel ball supports 504 sleeved on the opening of each auxiliary discharging concave part 52, the color mixing mechanism further comprises a flow guide cone 6, one end of the flow guide cone 6 is covered on the discharging end of the color mixing disc 5, and a main material guide hole 61 communicated with the main material check valve and an auxiliary material guide hole 62 communicated with the auxiliary material check valve are arranged on the flow guide cone 6.
The diversion cone 6 comprises a cone front section and a cone rear section, the diameter of the cone rear section is larger than that of the cone front section, the rear end face of the cone rear section is covered on the discharging end of the color mixing disc 5, the outer wall of the front section of the cone is circumferentially provided with auxiliary guide grooves 63 which axially penetrate through the outer wall of the front section of the cone, the auxiliary material guide holes 62 are circumferentially arranged on the rear section of the cone, the auxiliary material guide holes 62 axially penetrate through the rear section of the cone, the auxiliary material guide holes 62 are communicated with the auxiliary guide grooves 63, an annular communicating groove 64 is formed in the rear end face of the rear section of the cone, the end openings of all the auxiliary material guide holes 62 are located on the bottom face of the communicating groove 64, main flow guide grooves 65 which axially penetrate through the front half section of the front section of the cone are formed in the outer wall of the front section of the cone between the auxiliary flow guide grooves 63, the main material guide holes 61 are located in the rear half section of the front section of the cone, and the main material guide holes 61 are communicated with the main flow guide grooves 65 through communicating holes 66 which are radially formed. The middle part of the rear end face of the rear section of the cone is provided with a rear end face concave part 60, the middle part of the end face of the discharging end of the color mixing disc 5 is provided with a disc body bulge 50, the disc body bulge 50 can be inserted into the rear end face concave part 60, and the main discharging concave part 15 is positioned on the disc body bulge 50.
The flange connector 4 comprises a connection front body 41 and a connection rear body 42, the color mixing mechanism is fixed in an installation cavity formed by combining the connection front body 41 and the connection rear body 42, the nozzle 7 is sleeved at the end part of the connection front body 41, the connection rear body 42 is respectively connected with the main injection molding part 1 and the auxiliary connecting rod 21, the auxiliary connecting rod 21 is connected with the auxiliary injection molding part 2, the included angle of the main injection molding part 1 and the auxiliary injection molding part 2 in horizontal projection is less than 90 degrees, a main communicating channel 422 in the connection rear body 42 is communicated with a main feeding hole and the discharging end of the main injection molding part 1, an auxiliary communicating channel 421 in the connection rear body 42 is communicated with the auxiliary feeding hole and a rod body through hole 211 of the auxiliary connecting rod 21, and the rod body through hole 211 is communicated with the discharging end of the auxiliary injection molding part 2. The heating rings 43 are distributed on the outer wall of the rear connecting body 42, and the heating rings 43 are sequentially arranged and can form a loop with a power supply, a control circuit board and a switch, so that the passing materials are kept at a proper temperature. The specific circuit structure of the control circuit board is well known in the art and will not be described in detail.
The positioning device 3 comprises a positioning plate and a base, the main injection molding part 1 and the auxiliary injection molding part 2 are connected to the positioning plate, the positioning plate is connected to the base in a sliding mode, and the positioning plate is connected with a driving oil cylinder capable of driving the positioning plate to slide back and forth relative to the base. The concrete structure of locating plate sliding connection on the base to and the relative base of drive cylinder drive locating plate gliding concrete structure front and back belongs to prior art, so do not describe in detail again, can increase the program control circuit board on the base, realize that main portion of moulding plastics 1 and vice portion of moulding plastics 2 gliding automatic control from front to back.
The working principle is as follows: the colour mixing mechanism includes water conservancy diversion cone and colour mixing dish, the main material that comes out from main portion of moulding plastics passes through main intercommunication way, main feeding concave part, main feeding radial hole, main feeding axial hole, vice ejection of compact concave part, the intercommunication groove, vice material bullport, vice water conservancy diversion groove flows to the head of water conservancy diversion cone, the vice material that comes out from vice portion of moulding plastics passes through the body of rod through-hole, vice intercommunication way, annular feed chute, vice feeding axial hole, vice feeding radial hole, gather the hole, main ejection of compact concave part, the main material bullport, the intercommunicating pore, main water conservancy diversion groove flows to the head of water conservancy diversion cone, when the material colour of main portion of moulding plastics and vice portion of moulding plastics is different, just can realize the colour mixing ejection of compact of moulding plastics.
The main material check valve is arranged in the main discharging concave part, and the auxiliary material check valve is arranged in the auxiliary discharging concave part, so that materials cannot flow back to the color mixing disc after flowing into the diversion cone from the main material check valve, and the materials are prevented from flowing back.
Claims (10)
1. A manufacturing method of a mixed color injection molding device comprises the following steps,
firstly, manufacturing a main injection molding part (1), an auxiliary injection molding part (2), a color mixing mechanism, a nozzle (7) and a positioning device (3);
secondly, connecting the main injection molding part (1) and the auxiliary injection molding part (2) to a positioning device (3);
thirdly, the color mixing mechanism is arranged in the flange connecting body (4), the discharge ends of the main injection molding part (1) and the auxiliary injection molding part (2) are respectively connected with the flange connecting body (4), and the discharge ends of the main injection molding part (1) and the auxiliary injection molding part (2) are respectively communicated with the feed end of the color mixing mechanism;
fourthly, the nozzle (7) is connected with the discharge end of the color mixing mechanism;
the method is characterized in that: in the first step, the specific method for manufacturing the color mixing mechanism comprises the following steps:
A. a main feeding hole which can be communicated with the discharging end of the main injection molding part (1) and an auxiliary feeding hole which is distributed around the main feeding hole and can be communicated with the discharging end of the auxiliary injection molding part (2) are arranged at the feeding end of the color mixing mechanism, and a main discharging concave part (51) and an auxiliary discharging concave part (52) which is distributed around the main discharging concave part (51) are arranged at the discharging end of the color mixing mechanism;
B. the auxiliary feeding hole is communicated with a main discharging concave part (51) through a communicating pipeline arranged in the color mixing mechanism, and the main feeding hole is communicated with an auxiliary discharging concave part (52) through a reverse communicating pipeline arranged in the color mixing mechanism;
C. a main material check valve capable of preventing the main material from flowing back to the communicating pipeline is arranged in the main discharging concave part (51), and an auxiliary material check valve capable of preventing the auxiliary material from flowing back to the reverse communicating pipeline is arranged in the auxiliary discharging concave part (52).
2. The method of manufacturing according to claim 1, wherein: the color mixing mechanism comprises a color mixing disc (5), the main feed port is located in the middle of the feed end of the color mixing disc (5), an annular feed groove (53) which can be communicated with the discharge end of the auxiliary injection molding part (2) is formed in the end face of the color mixing disc (5) on the periphery of the main feed port, the auxiliary feed ports are distributed on the bottom face of the annular feed groove (53), each auxiliary feed port is communicated with the inlet of a respective communication pipeline, the outlet of each communication pipeline is communicated with the inlet of a header, the outlet of the header is communicated with a main discharge concave part (51), the main discharge concave part (51) is located in the middle of the discharge end of the color mixing disc (5), and the auxiliary discharge concave part (52) is distributed on the discharge end of the color mixing disc (5) on the periphery of the main discharge concave part (51) in a surrounding mode.
3. The method of manufacturing according to claim 2, wherein: a collecting hole (54) is formed in the color mixing disc (5) located on the bottom face of the main discharging concave portion (51), the collecting hole (54) is the collecting pipe, each communication pipeline comprises an auxiliary feeding axial hole (55) and an auxiliary feeding radial hole (56), one end of each auxiliary feeding radial hole (56) is communicated with the collecting hole (54), the other end of each auxiliary feeding radial hole (56) is located on the outer wall of the color mixing disc (5), one end of each auxiliary feeding axial hole (55) is communicated with the middle of each auxiliary feeding radial hole (56), and an opening of the other end of each auxiliary feeding radial hole (56) is an auxiliary feeding hole.
4. The method of manufacturing according to claim 3, wherein: the middle of the feeding end of the color mixing disc (5) is provided with a main feeding concave part (57), the main feeding hole is an opening of the main feeding concave part (57), each reverse communication pipeline comprises a main feeding axial hole (58) and a main feeding radial hole (59), one end of each main feeding radial hole (59) is communicated with the main feeding concave part (57), the other end of each main feeding radial hole (59) is located on the outer wall of the color mixing disc (5), one end of each main feeding axial hole (58) is communicated with the middle of each main feeding radial hole (59), and the other end of each main feeding radial hole (59) is communicated with the corresponding auxiliary discharging concave part (52).
5. The method of manufacturing according to claim 4, wherein: the number of the auxiliary discharging concave parts (52) is three, and the three auxiliary discharging concave parts (52) are arranged on the same circumference around the main discharging concave part (51) at equal intervals.
6. The manufacturing method according to any one of claims 2 to 5, characterized in that: the main material check valve comprises main steel balls (501) located in a main discharging concave portion (51) and main steel ball supports (502) sleeved on openings of the main discharging concave portion (51), the auxiliary material check valve comprises auxiliary steel balls (503) located in each auxiliary discharging concave portion (52) and auxiliary steel ball supports (504) sleeved on the openings of the auxiliary discharging concave portions (52), the color mixing mechanism further comprises a flow guide cone (6), one end of the flow guide cone (6) is covered on a discharging end of the color mixing disc (5), and a main material guide hole (61) communicated with the main material check valve and an auxiliary material guide hole (62) communicated with the auxiliary material check valve are arranged on the flow guide cone (6).
7. The method of manufacturing according to claim 6, wherein: the flow guide cone (6) comprises a cone front section and a cone rear section, the diameter of the cone rear section is larger than that of the cone front section, the rear end face of the cone rear section is covered on the discharge end of the color mixing disc (5), auxiliary flow guide grooves (63) axially penetrating through the outer wall of the cone front section are circumferentially distributed on the outer wall of the cone front section, the auxiliary material guide holes (62) are circumferentially distributed on the cone rear section, the auxiliary material guide holes (62) axially penetrate through the cone rear section, the auxiliary material guide holes (62) are communicated with the auxiliary flow guide grooves (63), an annular communication groove (64) is formed in the rear end face of the cone rear section, openings at the end parts of all the auxiliary material guide holes (62) are located on the bottom face of the communication groove (64), main flow guide grooves (65) axially penetrating through the front half section of the cone front section are formed in the outer wall of the cone front section between the auxiliary flow guide grooves (63), and the main material guide holes (61) are located in the rear half section of the cone front section, the main material guide hole (61) is communicated with the main flow guide groove (65) through a communication hole (66) arranged in the radial direction.
8. The method of manufacturing according to claim 7, wherein: the rear end face middle part of the cone rear section is provided with a rear end face concave part (60), the middle part of the discharge end face of the color mixing disc (5) is provided with a disc body protrusion (50), the disc body protrusion (50) can be inserted into the rear end face concave part (60), and the main discharge concave part (15) is positioned on the disc body protrusion (50).
9. The manufacturing method according to any one of claims 1 to 5, characterized in that: the flange connecting body (4) comprises a connecting front body (41) and a connecting rear body (42), the color mixing mechanism is fixed in a mounting cavity formed by combining the connection front body (41) and the connection rear body (42), the injection nozzle (7) is sleeved at the end part of the connecting front body (41), the connecting rear body (42) is respectively connected with the main injection molding part (1) and the auxiliary connecting rod (21), the auxiliary connecting rod (21) is connected with the auxiliary injection molding part (2), the included angle of the main injection molding part (1) and the auxiliary injection molding part (2) on the horizontal projection is less than 90 degrees, a main communicating channel (422) positioned in the connecting rear body (42) is communicated with the main feeding hole and the discharging end of the main injection molding part (1), an auxiliary communicating channel (421) positioned in the connecting rear body (42) is communicated with the auxiliary feeding hole and the rod body through hole (211) of the auxiliary connecting rod (21), the rod body through hole (211) is communicated with the discharge end of the auxiliary injection molding part (2).
10. The manufacturing method according to any one of claims 1 to 5, characterized in that: the positioning device (3) comprises a positioning plate and a base, the main injection molding part (1) and the auxiliary injection molding part (2) are connected to the positioning plate, the positioning plate is connected to the base in a sliding mode, and the positioning plate is connected with a driving oil cylinder capable of driving the positioning plate to slide back and forth relative to the base.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111586326.3A CN114274454A (en) | 2021-12-22 | 2021-12-22 | Manufacturing method of mixed color injection molding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111586326.3A CN114274454A (en) | 2021-12-22 | 2021-12-22 | Manufacturing method of mixed color injection molding device |
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| CN114274454A true CN114274454A (en) | 2022-04-05 |
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| CN112454813A (en) * | 2021-02-01 | 2021-03-09 | 广东佳明机器有限公司 | Injection molding machine colour mixture penetrates platform and injection molding machine |
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| CN216782444U (en) * | 2021-12-22 | 2022-06-21 | 浙江台意德塑机制造有限公司 | Colour mixture injection molding machine |
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| CN2227558Y (en) * | 1995-04-01 | 1996-05-22 | 王振保 | Double-colour draw accessories |
| US6159000A (en) * | 1999-03-12 | 2000-12-12 | Husky Injection Molding Systems Ltd. | Valve gated injection molding device |
| CN201140498Y (en) * | 2007-12-05 | 2008-10-29 | 广东佳明机器有限公司 | Mixed color injecting nozzle of plastic jetting-moulding machine |
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| CN112454813A (en) * | 2021-02-01 | 2021-03-09 | 广东佳明机器有限公司 | Injection molding machine colour mixture penetrates platform and injection molding machine |
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