CN111923338B - Circulating injection molding machine - Google Patents
Circulating injection molding machine Download PDFInfo
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- CN111923338B CN111923338B CN202010978040.9A CN202010978040A CN111923338B CN 111923338 B CN111923338 B CN 111923338B CN 202010978040 A CN202010978040 A CN 202010978040A CN 111923338 B CN111923338 B CN 111923338B
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- rotary valve
- heating mechanism
- flow hole
- liquid drainage
- valve mechanism
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- 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
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- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a circulating injection molding machine, which comprises a main body shell, wherein a plastic placing groove is arranged at the top of one side of the main body shell, a main longitudinal flow hole is formed in the bottom of the plastic placing groove, a funnel space is formed in the bottom of the main longitudinal flow hole, an auxiliary longitudinal flow hole is formed in the bottom of the funnel space, a vortex heating mechanism is arranged on the annular side surface of the main body shell, which is positioned in the auxiliary longitudinal flow hole, and a transverse plastic feeding hole is formed in the bottom of the auxiliary longitudinal flow hole. The invention can perform normal raw material melting and injection functions, when the raw material injection needs to be suspended due to external factors, the internal circulating flow of the melted plastic can be realized by utilizing the raw material pushing action of the screw rod, so that the melted plastic flows back to the vortex heating mechanism again and is heated and melted again, the melting degree is improved, the plastic shaping tendency caused by the static time is effectively prevented, the quality of the melted plastic is improved, and the final shaping quality is improved.
Description
Technical Field
The invention relates to the technical field of injection molding machines, in particular to a circulating injection molding machine.
Background
At present, when the existing injection molding machine carries out raw material input, the next raw material injection can be carried out only after the raw material shaping is finished, but due to the waiting time, the raw material with melted inside has a certain cooling and shaping trend, and the quality of the raw material at the next time is reduced.
Disclosure of Invention
The invention aims to provide a circulating injection molding machine to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a circulating injection molding machine comprises a main body shell, wherein supporting legs are installed at the bottom of the main body shell, a plastic placing groove is arranged at the top of one side of the main body shell, a main longitudinal flow hole is formed in the bottom of the plastic placing groove, a funnel space is formed in the bottom of the main longitudinal flow hole, an auxiliary longitudinal flow hole is formed in the bottom of the funnel space, a vortex heating mechanism is installed on the annular side face, located in the auxiliary longitudinal flow hole, of the main body shell, a transverse plastic feeding hole is formed in the bottom of the auxiliary longitudinal flow hole, a transverse curved flow hole is formed in one end of the plastic feeding hole, a pipeline connecting port communicated with one side of the main body shell is formed in one end face of the curved flow hole, a circulating hole communicated with the top of the curved flow hole and the side of the funnel space is formed in the main body shell, a manual valve is installed in the middle of the circulating hole, and a, the bottom mounting groove is arranged under the curved flow hole positioned in the top mounting groove, a liquid drainage type rotary valve mechanism is mounted in the curved flow hole, the bottom mounting groove and the top mounting groove, a rotary rod of the rotary liquid drainage type rotary valve mechanism is structurally mounted at the bottom of the main body shell, a driving motor is mounted at the bottom of the other side of the main body shell, a motor spindle of the driving motor penetrates through a side structure of the main body shell, a spiral rod is mounted at one end of the motor spindle, which is positioned in the plastic feeding hole, and a spiral hole is formed in the side surface of the spiral rod.
Furthermore, the eddy current heating mechanism comprises an annular shell for the eddy current heating mechanism, a flow hole for the eddy current heating mechanism, an annular mounting space for the eddy current heating mechanism, an annular heat conducting plate for the eddy current heating mechanism, an inclined plate structure for the eddy current heating mechanism, an eddy current resistor for the eddy current heating mechanism and a lead for the eddy current heating mechanism.
Furthermore, the longitudinal center of the annular shell for the eddy heating mechanism is provided with a flow hole for the eddy heating mechanism, which is communicated with two end surfaces of the annular shell, the annular shell for the vortex heating mechanism is provided with an annular mounting space for the vortex heating mechanism at the periphery of the middle section of the flow hole for the vortex heating mechanism, an annular heat conducting plate for the vortex heating mechanism is arranged between the inner side of the annular mounting space for the vortex heating mechanism and the outer side of the middle section of the flow hole for the vortex heating mechanism, and the inner wall of the annular heat conducting plate for the eddy heating mechanism is provided with a plurality of inclined plate structures which are symmetrical and downwards inclined for the eddy heating mechanism, the eddy current heating mechanism is wound with an eddy current resistor for the eddy current heating mechanism inside the annular mounting space, the electric power input end of the eddy current heating mechanism used eddy current resistor is provided with a lead used for the eddy current heating mechanism, the wire body of the wire for the eddy current heating mechanism penetrates through the bottom structure of the annular shell for the eddy current heating mechanism.
Furthermore, the wire body of the wire for the eddy current heating mechanism penetrates through the main body shell and extends to the external space of the main body shell.
Further, the vortex heating mechanism is mounted on the annular side surface of the main body shell positioned in the auxiliary longitudinal flow hole by using an annular shell, and the vortex heating mechanism is communicated with the auxiliary longitudinal flow hole by using the flow hole.
Further, liquid drainage formula rotary valve mechanism includes that liquid drainage formula rotary valve mechanism uses bent shape cylinder, liquid drainage formula rotary valve mechanism uses bottom cylinder, liquid drainage formula rotary valve mechanism uses top cylinder, liquid drainage formula rotary valve mechanism uses the mobile hole, liquid drainage formula rotary valve mechanism uses mounting hole and liquid drainage formula rotary valve mechanism and uses the chamfer structure.
Further, liquid drainage formula rotary valve mechanism is installed respectively with the bottom and the top of bent shape cylinder with the bottom cylinder and liquid drainage formula rotary valve mechanism is with the top cylinder, liquid drainage formula rotary valve mechanism is equipped with the mobile hole for the liquid drainage formula rotary valve mechanism of the opposite side of intercommunication with the transverse center of bent shape cylinder, liquid drainage formula rotary valve mechanism is equipped with liquid drainage formula mounting hole for rotary valve mechanism with bottom cylinder bottom center, liquid drainage formula rotary valve mechanism is handled through the chamfer with the circumference side of bent shape cylinder and is formed liquid drainage formula rotary valve mechanism and use circular chamfer structure.
Furthermore, the overall structure shape formed by the curved cylinder for the liquid drainage type rotary valve mechanism and the round chamfer structure for the liquid drainage type rotary valve mechanism is consistent with the structure shape of the cross section of the curved flow hole.
Further, liquid drainage formula rotary valve mechanism is installed respectively in bottom mounting groove and top mounting groove with bottom cylinder and liquid drainage formula rotary valve mechanism with the top cylinder, the internally mounted of bottom liquid drainage formula mounting hole for rotary valve mechanism has the body of rod structure on rotary rod top.
Compared with the prior art, the invention has the beneficial effects that: the invention can perform normal raw material melting and injection functions, when the raw material injection needs to be suspended due to external factors, the internal circulating flow of the melted plastic can be realized by utilizing the raw material pushing action of the screw rod, so that the melted plastic flows back to the vortex heating mechanism again and is heated and melted again, the melting degree is improved, the plastic shaping tendency caused by the static time is effectively prevented, the quality of the melted plastic is improved, and the final shaping quality is improved.
Drawings
FIG. 1 is a schematic view of a full-section structure of a circulation type injection molding machine according to the present invention;
FIG. 2 is a schematic structural diagram of a vortex heating mechanism in a circulation injection molding machine according to the present invention;
FIG. 3 is a schematic structural diagram of a liquid-guiding rotary valve mechanism in a circular injection molding machine according to the present invention;
in the figure: 1, a main body housing, 2, support legs, 3, a plastic placing groove, 4, a main longitudinal flow hole, 5, a funnel space, 6, an auxiliary longitudinal flow hole, 7, a vortex heating mechanism, 71, an annular housing for the vortex heating mechanism, 72, a flow hole for the vortex heating mechanism, 73, an annular mounting space for the vortex heating mechanism, 74, an annular heat conducting plate for the vortex heating mechanism, 75, an inclined plate structure for the vortex heating mechanism, 76, a vortex resistor for the vortex heating mechanism, 77, a lead wire for the vortex heating mechanism, 8, a plastic feed hole, 9, a curved flow hole, 10, a pipeline connecting port, 11, a circulation hole, 12, a manual valve, 13, a driving motor, 14, a motor main shaft, 15, a screw rod, 16, a screw hole, 17, a bottom mounting groove, 18, a liquid flow guiding mechanism, 181, a cylinder for the liquid flow guiding type rotary valve mechanism, 182, liquid drainage formula rotary valve mechanism uses the bottom cylinder, 183, liquid drainage formula rotary valve mechanism uses the top cylinder, 184, liquid drainage formula rotary valve mechanism uses the mobile hole, 185, liquid drainage formula mounting hole for rotary valve mechanism, 186, liquid drainage formula rotary valve mechanism uses chamfer structure, 19, top mounting groove, 20, the rotary rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention: the device comprises a main body shell 1 with supporting legs 2 arranged at the bottom, a plastic placing groove 3 is arranged at the top of one side of the main body shell 1, a main longitudinal flow hole 4 is arranged at the bottom of the plastic placing groove 3, a funnel space 5 is arranged at the bottom of the main longitudinal flow hole 4, an auxiliary longitudinal flow hole 6 is arranged at the bottom of the funnel space 5, a vortex heating mechanism 7 is arranged at the annular side surface of the auxiliary longitudinal flow hole 6 of the main body shell 1, a transverse plastic feeding hole 8 is arranged at the bottom of the auxiliary longitudinal flow hole 6, a transverse curved flow hole 9 is arranged at one end of the plastic feeding hole 8, a pipeline connecting port 10 communicated with one side of the main body shell 1 is arranged at one end surface of the curved flow hole 9, a circulating hole 11 communicated with the top of the curved flow hole 9 and the side surface of the funnel space 5 is arranged in the main body shell 1, a manual valve 12 is arranged at, the main body shell 1 is equipped with top mounting groove 19 in the one side that lies in circulation hole 11 and bent shape flow hole 9 intercommunication, and bent shape flow hole 9 is equipped with bottom mounting groove 17 under lieing in top mounting groove 19, install a liquid drainage formula rotary valve mechanism 18 in bent shape flow hole 9, bottom mounting groove 17 and the top mounting groove 19, the rotary rod 20 of a rotatable liquid drainage formula rotary valve mechanism 18 of main body shell 1 bottom structure installation, a driving motor 13 is installed to main body shell 1 other side bottom, a motor spindle 14 of driving motor 13 runs through a side structure of main body shell 1, and a hob 15 is installed at the one end that lies in plastic pay-off hole 8 inside to motor spindle 14, the inside spiral hole 16 that is equipped with in side of hob 15.
Referring to fig. 2, the eddy current heating mechanism 7 includes an annular casing 71 for the eddy current heating mechanism, a flow hole 72 for the eddy current heating mechanism, an annular installation space 73 for the eddy current heating mechanism, an annular heat conduction plate 74 for the eddy current heating mechanism, a sloping plate structure 75 for the eddy current heating mechanism, an eddy current resistor 76 for the eddy current heating mechanism, and a lead wire 77 for the eddy current heating mechanism; the annular shell 71 for the vortex heating mechanism is provided with a flow hole 72 for the vortex heating mechanism at the longitudinal center thereof, the annular shell 71 for the vortex heating mechanism is provided with an annular installation space 73 for the vortex heating mechanism at the periphery of the middle section of the flow hole 72 for the vortex heating mechanism, an annular heat conduction plate 74 for the vortex heating mechanism is installed between the inner side of the annular installation space 73 for the vortex heating mechanism and the outer side of the middle section of the flow hole 72 for the vortex heating mechanism, the inner wall of the annular heat conduction plate 74 for the vortex heating mechanism is provided with a plurality of symmetrical and downward inclined plate structures 75 for the vortex heating mechanism, a vortex resistor 76 for the vortex heating mechanism is wound inside the annular installation space 73 for the vortex heating mechanism, the electric power input end of the vortex resistor 76 for the vortex heating mechanism is provided with a lead 77 for the vortex heating mechanism, and the wire body of the lead 77 for the vortex heating mechanism penetrates through the bottom knot of the annular shell 71 for the vortex heating Structuring; the wire body of the lead 77 for the eddy current heating mechanism penetrates through the main body casing 1 and extends to the external space of the main body casing 1; the annular housing 71 for the vortex heating means is attached to the main body housing 1 on the annular side surface of the secondary longitudinal flow hole 6, and the flow hole 72 for the vortex heating means communicates with the secondary longitudinal flow hole 6.
Referring to fig. 3, the fluid-conducting rotary valve mechanism 18 comprises a curved column 181 for the fluid-conducting rotary valve mechanism, a bottom column 182 for the fluid-conducting rotary valve mechanism, a top column 183 for the fluid-conducting rotary valve mechanism, a flow hole 184 for the fluid-conducting rotary valve mechanism, a mounting hole 185 for the fluid-conducting rotary valve mechanism, and a rounded chamfer structure 186 for the fluid-conducting rotary valve mechanism; a bottom cylinder 182 for the liquid-drainage type rotary valve mechanism and a top cylinder 183 for the liquid-drainage type rotary valve mechanism are respectively installed at the bottom and the top of the curved cylinder 181 for the liquid-drainage type rotary valve mechanism, a flow hole 184 for the liquid-drainage type rotary valve mechanism, which communicates opposite sides, is formed at the transverse center of the curved cylinder 181 for the liquid-drainage type rotary valve mechanism, a mounting hole 185 for the liquid-drainage type rotary valve mechanism is formed at the bottom center of the bottom cylinder 182 for the liquid-drainage type rotary valve mechanism, and a circular chamfer structure 186 for the liquid-drainage type rotary valve mechanism is formed by chamfering the circumferential sides of the curved cylinder 181 for the liquid-drainage type rotary valve mechanism; the overall structural shape formed by the curved column 181 for the liquid drainage type rotary valve mechanism and the round chamfer structure 186 for the liquid drainage type rotary valve mechanism is consistent with the structural shape of the cross section of the curved flow hole 9; the bottom cylinder 182 for the liquid-drainage type rotary valve mechanism and the top cylinder 183 for the liquid-drainage type rotary valve mechanism are respectively installed in the bottom installation groove 17 and the top installation groove 19, and the rod body structure at the top end of the rotary rod 20 is installed in the installation hole 185 for the bottom liquid-drainage type rotary valve mechanism.
The specific use mode is as follows: in the working process of the invention, a pipeline connecting port 10 is butted with a raw material injection part of a shaping device, then plastic needing to be melted is poured into the plastic placing groove 3, then a vortex heating mechanism is connected with a power output end of a power supply by a lead 77, a driving motor 13 is turned on, plastic particles fall downwards under the action of gravity, when the plastic particles fall into the vortex heating mechanism 7, the interior of the vortex heating mechanism 7 is in a high-temperature state due to the action of current, the passing plastic is melted and forms plastic cement, the plastic cement falls on a screw rod 15 part under the action of gravity, the plastic cement is pushed to the part of the pipeline connecting port 10 through a screw hole 16 under the rotation action of the screw rod 15, at the moment, the rotating rod 20 is rotated, so that the flow hole 184 for the liquid diversion type rotary valve mechanism is communicated with the interior of a curved flow hole 9, and the plastic cement is injected, after finishing injecting, close liquid drainage formula rotary valve mechanism 18 with the same reason for liquid drainage formula rotary valve mechanism misplaces with bent shape flow hole 9 completely with flow hole 184, at this moment, reopen manual valve 12, at this moment, the plastic is under the effect of liquid drainage formula rotary valve mechanism with fillet structure 183, realizes flowing to circulation hole 11 inside, and the plastic that is melted flows back to the vortex heating mechanism once more, is heated once more and melts, improves and melts the degree.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a circulating injection molding machine, includes that main body cover (1) of supporting leg (2) are installed to the bottom, its characterized in that: the plastic heating device is characterized in that a plastic placing groove (3) is arranged at the top of one side of the main body shell (1), a main longitudinal flow hole (4) is arranged at the bottom of the plastic placing groove (3), a flow space (5) is arranged at the bottom of the main longitudinal flow hole (4), an auxiliary longitudinal flow hole (6) is arranged at the bottom of the flow space (5), a vortex heating mechanism (7) is arranged on the annular side surface of the auxiliary longitudinal flow hole (6) of the main body shell (1), a transverse plastic feeding hole (8) is arranged at the bottom of the auxiliary longitudinal flow hole (6), a transverse curved flow hole (9) is arranged at one end of the plastic feeding hole (8), a pipeline connecting port (10) communicated with one side of the main body shell (1) is arranged on one end surface of the curved flow hole (9), a circulating hole (11) communicated with the top of the curved flow hole (9) and the side surface of the flow space (5) is arranged in the main, a manual valve (12) is arranged in the middle of the circulation hole (11), a top mounting groove (19) is formed in one side, communicated with the curved flow hole (11), of the main body shell (1), a bottom mounting groove (17) is formed in the curved flow hole (9) and under the top mounting groove (19), a liquid drainage type rotary valve mechanism (18) is mounted in the curved flow hole (9), the bottom mounting groove (17) and the top mounting groove (19), a rotary rod (20) of the rotary liquid drainage type rotary valve mechanism (18) is mounted at the bottom of the main body shell (1), a driving motor (13) is mounted at the bottom of the other side of the main body shell (1), a motor spindle (14) of the driving motor (13) penetrates through a side structure of the main body shell (1), and a spiral rod (15) is mounted at one end, located inside the plastic feeding hole (8), of the motor spindle (14), a spiral hole (16) is arranged in the side surface of the spiral rod (15), the liquid drainage type rotary valve mechanism (18) comprises a curved cylinder (181) for a liquid drainage type rotary valve mechanism, a bottom cylinder (182) for the liquid drainage type rotary valve mechanism, a top cylinder (183) for the liquid drainage type rotary valve mechanism, a flow hole (184) for the liquid drainage type rotary valve mechanism, a mounting hole (185) for the liquid drainage type rotary valve mechanism and a circular chamfer structure (186) for the liquid drainage type rotary valve mechanism, the bottom cylinder (182) for the liquid drainage type rotary valve mechanism and the top cylinder (183) for the liquid drainage type rotary valve mechanism are respectively mounted at the bottom and the top of the curved cylinder (181) for the liquid drainage type rotary valve mechanism, the transverse center of the curved cylinder (181) for the liquid drainage type rotary valve mechanism is provided with the flow hole (184) for the liquid drainage type rotary valve mechanism communicated with opposite side surfaces, the liquid drainage formula rotary valve mechanism is with bottom cylinder (182) bottom center is equipped with mounting hole (185) for liquid drainage formula rotary valve mechanism, the circumference side of liquid drainage formula rotary valve mechanism with bent shape cylinder (181) is through chamfering treatment formation liquid drainage formula rotary valve mechanism with circular chamfer structure (186), and the structure radius of liquid drainage formula rotary valve mechanism with bent shape cylinder (181) is by the tip of liquid drainage formula rotary valve mechanism with top cylinder (183) to the tip of liquid drainage formula rotary valve mechanism with bottom cylinder (182) progressively increase, the overall structure appearance that liquid drainage formula rotary valve mechanism formed with bent shape cylinder (181) and liquid drainage formula rotary valve mechanism with circular chamfer structure (186) is unanimous with the structure appearance of bent shape flow hole (9) cross section.
2. The injection molding machine of claim 1, wherein: the vortex heating mechanism (7) comprises an annular shell (71) for the vortex heating mechanism, a flow hole (72) for the vortex heating mechanism, an annular mounting space (73) for the vortex heating mechanism, an annular heat conducting plate (74) for the vortex heating mechanism, an inclined plate structure (75) for the vortex heating mechanism, a vortex resistor (76) for the vortex heating mechanism and a lead (77) for the vortex heating mechanism.
3. The injection molding machine of claim 2, wherein: the vortex heating mechanism is characterized in that a flow hole (72) for a vortex heating mechanism communicating two end faces of the annular shell (71) is arranged at the longitudinal center of the annular shell (71) for the vortex heating mechanism, an annular mounting space (73) for the vortex heating mechanism is arranged on the periphery of the middle section of the flow hole (72) for the vortex heating mechanism, an annular heat conduction plate (74) for the vortex heating mechanism is arranged between the inner side of the annular mounting space (73) for the vortex heating mechanism and the outer side of the middle section of the flow hole (72) for the vortex heating mechanism, a plurality of symmetrical and downward inclined plate structures (75) for the vortex heating mechanism are arranged on the inner wall of the annular heat conduction plate (74) for the vortex heating mechanism, a vortex resistor (76) for the vortex heating mechanism is wound inside the annular mounting space (73) for the vortex heating mechanism, and a lead (77) for the vortex heating mechanism is arranged at the power input end of the vortex resistor (76) for, the wire body of the lead (77) for the eddy current heating mechanism penetrates through the bottom structure of the annular shell (71) for the eddy current heating mechanism.
4. The injection molding machine of claim 3, wherein: the wire body of the lead (77) for the eddy current heating mechanism penetrates through the main body shell (1) and extends to the external space of the main body shell (1).
5. The injection molding machine of claim 3, wherein: the annular shell (71) for the vortex heating mechanism is arranged on the annular side surface of the main body shell (1) positioned in the auxiliary longitudinal flow hole (6), and the flow hole (72) for the vortex heating mechanism is communicated with the auxiliary longitudinal flow hole (6).
6. The injection molding machine of claim 1, wherein: the liquid drainage formula is installed respectively in bottom mounting groove (17) and top mounting groove (19) with bottom cylinder (182) and liquid drainage formula rotary valve mechanism with top cylinder (183) for the rotary valve mechanism, the internally mounted of bottom liquid drainage formula mounting hole (185) has the body of rod structure on rotary rod (20) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010978040.9A CN111923338B (en) | 2020-09-17 | 2020-09-17 | Circulating injection molding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010978040.9A CN111923338B (en) | 2020-09-17 | 2020-09-17 | Circulating injection molding machine |
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| CN111923338A CN111923338A (en) | 2020-11-13 |
| CN111923338B true CN111923338B (en) | 2021-01-26 |
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| CN202010978040.9A Active CN111923338B (en) | 2020-09-17 | 2020-09-17 | Circulating injection molding machine |
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| CN111923338A (en) | 2020-11-13 |
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