CN211640883U - One-outlet multi-blow molding die structure - Google Patents
One-outlet multi-blow molding die structure Download PDFInfo
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- CN211640883U CN211640883U CN201922041606.0U CN201922041606U CN211640883U CN 211640883 U CN211640883 U CN 211640883U CN 201922041606 U CN201922041606 U CN 201922041606U CN 211640883 U CN211640883 U CN 211640883U
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Abstract
The utility model discloses a one-outlet multi-blow molding die structure, which comprises a splitter plate, a storage cylinder connected with a discharge port of the splitter plate, a piston rod arranged in the storage cylinder, an extrusion port die connected with an extrusion end of the storage cylinder and a molding die arranged below the extrusion port die; the splitter plate comprises a feed channel, 2N-power discharge ports and a splitter channel communicated with the feed channel and the discharge ports, a plurality of independent electric heating blocks are axially stacked on the outer side of the storage cylinder, an electric heating core rod is arranged in the piston rod, and the extrusion neck ring comprises a neck ring mounting plate, an outer neck ring and an inner mold core. The utility model discloses a subchannel adopts the multilayer coat hanger formula structure and the circular fillet structure of symmetry, and storage vat and piston rod adopt a plurality of heating module to carry out the temperature control that becomes more meticulous, have that material ejection of compact speed uniformity is good, ejection of compact smoothness nature is good, operating stability is good and the advantage that the product homogeneity is good.
Description
Technical Field
The utility model relates to a go out many blow molding die head structure belongs to blow molding technical field.
Background
In the plastic parts of the automobile, a plurality of tubular parts are produced by adopting a blow molding process, and the existing blow molding die head mainly has a structure, so that the defect of low production efficiency exists. Adopt the promotion production efficiency that a multimode structure can show, but when the production of a current multimode structure, appear product homogeneity and poor stability not enough easily. The forming reasons are various, for example, the material discharging speed is inconsistent due to inconsistent length and size of each branch flow channel in the sub-flow channel; if the corner of the sub-runner is a straight-going right-angle structure, materials are easy to accumulate at the corner to cause poor discharging smoothness and inconsistent discharging speed; for example, the molding defects and poor uniformity caused by the inconsistency of the local temperatures in the material piston cylinder.
SUMMERY OF THE UTILITY MODEL
In order to solve the above insufficiency, the utility model provides a go out many blow molding die head structure, the utility model discloses a technical scheme as follows:
the utility model provides a many blow molding die structure, its characterized in that of one play: the extrusion device comprises a splitter plate, a storage cylinder connected with a discharge port of the splitter plate, a piston rod arranged in the storage cylinder, an extrusion port die connected to an extrusion end of the storage cylinder, and a forming die arranged below the extrusion port die.
The flow distribution plate comprises a feed channel, 2 discharge ports of power N and flow distribution channels communicating the feed channel and the discharge ports, the feed channel is connected with an extrusion port of the screw extruder, the cross section of each flow distribution channel is circular, the corners of each flow distribution channel are rounded, each flow distribution channel comprises N layers, and each flow distribution channel is divided downwards into two flow distribution channels of the next layer in axial symmetry.
A feed inlet communicated with the discharge outlet of the flow distribution plate is formed in the side wall of the storage cylinder, and a plurality of independent electric heating blocks are axially stacked on the outer side of the storage cylinder; an electric heating core rod is arranged in the piston rod, an exhaust gap is reserved between the piston rod and the inner wall of the material storage cylinder, a piston fixing plate is arranged at the upper end of the piston rod, and the piston fixing plate is driven by a hydraulic cylinder arranged above the piston fixing plate.
The extrusion die comprises a die mounting plate, an outer die and an inner die core, a die adjusting sleeve is mounted on the die mounting plate, a plurality of adjusting bolts which are radially communicated are symmetrically arranged on the die adjusting sleeve, the outer die is clamped and mounted in the die adjusting sleeve through the adjusting bolts, and the inner die core is arranged in the outer die.
The forming die comprises a fixed die, a movable die and a product cavity formed by combining the fixed die and the movable die.
The flow distribution plate adopts a Harvard block assembly structure.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model adopts a symmetrical multi-layer clothes hanger structure, and the length and size among the branch runners are consistent, thereby realizing the consistency of the material discharging speed; the branch channel adopts a round fillet structure, so that material blockage is avoided, and the material discharging smoothness and the speed consistency are good; heating modules are arranged on the storage cylinder and the piston rod, the consistency of the temperature of the material in the radial space in the storage cylinder is guaranteed, a plurality of independent heating modules are arranged in the axial direction of the storage cylinder for fine temperature control, and the consistency of the temperature of the material in the axial space in the storage cylinder is guaranteed. The utility model discloses an it has the advantage that material ejection of compact speed uniformity is good, ejection of compact smoothness nature is good, operating stability is good and the product homogeneity is good to go out multimode structure.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the flow distribution plate of the present invention;
fig. 3 is a schematic view of the extrusion die structure of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Example (b):
referring to fig. 1-3, a multi-blow molding die structure is characterized in that: comprises a splitter plate 1, an accumulator 2 connected with a discharge port 10 of the splitter plate 1, a piston rod 3 arranged in the accumulator 2, an extrusion port die 4 connected with an extrusion end of the accumulator 2, and a forming die (not shown) arranged below the extrusion port die 4.
The flow distribution plate 1 comprises a feed channel 10, four discharge ports 11 and a flow distribution channel 12 communicating the feed channel 10 with the discharge ports 11, the feed channel 10 is connected with an extrusion port of a screw extruder, the cross section of the flow distribution channel 12 is circular, the corner of the flow distribution channel is a circular angle, the flow distribution channel 12 comprises two layers, and each layer of flow distribution channel is divided into two downward layers to form a next layer of flow distribution channel which is axially symmetrical.
A feed inlet communicated with the discharge port 11 of the flow distribution plate 1 is formed in the side wall of the storage cylinder 2, and a plurality of independent electric heating blocks 20 are axially stacked on the outer side of the storage cylinder 2; an electric heating core rod 30 is arranged in the piston rod 3, an exhaust gap is reserved between the piston rod 3 and the inner wall of the material storage cylinder 2, a piston fixing plate 31 is arranged at the upper end of the piston rod 3, and the piston fixing plate 31 is driven by a hydraulic cylinder (not shown) arranged above.
The extrusion neck ring mold 4 comprises a neck ring mold mounting plate 40, an outer opening mold 41 and an inner mold core 42, a neck ring mold adjusting sleeve 43 is mounted on the neck ring mold mounting plate 40, a plurality of radially-through adjusting bolts 44 are symmetrically arranged on the neck ring mold adjusting sleeve 43, the outer neck ring mold 41 is clamped and mounted in the neck ring mold adjusting sleeve 43 through the adjusting bolts 44, and the inner mold core 42 is arranged in the outer neck ring mold 41.
The molding die (not shown) comprises a fixed die, a movable die and a product cavity formed by the matched die of the fixed die and the movable die.
The flow distribution plate 1 adopts a Harvard block assembly structure.
The utility model adopts a symmetrical multi-layer clothes hanger structure, and the length and size among the branch runners are consistent, thereby realizing the consistency of the material discharging speed; the branch channel adopts a round fillet structure, so that material blockage is avoided, and the material discharging smoothness and the speed consistency are good; heating modules are arranged on the storage cylinder and the piston rod, the consistency of the temperature of the material in the radial space in the storage cylinder is guaranteed, a plurality of independent heating modules are arranged in the axial direction of the storage cylinder for fine temperature control, and the consistency of the temperature of the material in the axial space in the storage cylinder is guaranteed. The utility model discloses an it has the advantage that material ejection of compact speed uniformity is good, ejection of compact smoothness nature is good, operating stability is good and the product homogeneity is good to go out multimode structure.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (3)
1. The utility model provides a many blow molding die structure, its characterized in that of one play: the extrusion device comprises a splitter plate, a storage cylinder connected with a discharge port of the splitter plate, a piston rod arranged in the storage cylinder, an extrusion port die connected with an extrusion end of the storage cylinder, and a forming die arranged below the extrusion port die;
the flow distribution plate comprises a feed channel, 2 discharge ports of power N and flow distribution channels communicating the feed channel and the discharge ports, the feed channel is connected with an extrusion port of the screw extruder, the cross section of each flow distribution channel is circular, the corners of each flow distribution channel are rounded, each flow distribution channel comprises N layers, and each flow distribution channel is divided downwards into two flow distribution channels of the next layer which are axially symmetrical;
a feed inlet communicated with the discharge outlet of the flow distribution plate is formed in the side wall of the storage cylinder, and a plurality of independent electric heating blocks are axially stacked on the outer side of the storage cylinder; an electric heating core rod is arranged in the piston rod, an exhaust gap is reserved between the piston rod and the inner wall of the material storage cylinder, a piston fixing plate is arranged at the upper end of the piston rod, and the piston fixing plate is driven by a hydraulic cylinder arranged above the piston fixing plate;
the extrusion die comprises a die mounting plate, an outer die and an inner die core, a die adjusting sleeve is mounted on the die mounting plate, a plurality of adjusting bolts which are radially communicated are symmetrically arranged on the die adjusting sleeve, the outer die is clamped and mounted in the die adjusting sleeve through the adjusting bolts, and the inner die core is arranged in the outer die.
2. A multi-shot blow molding die structure as claimed in claim 1, wherein: the flow distribution plate adopts a Harvard block assembly structure.
3. A multi-shot blow molding die structure as claimed in claim 1, wherein: the forming die comprises a fixed die, a movable die and a product cavity formed by combining the fixed die and the movable die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922041606.0U CN211640883U (en) | 2019-11-25 | 2019-11-25 | One-outlet multi-blow molding die structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922041606.0U CN211640883U (en) | 2019-11-25 | 2019-11-25 | One-outlet multi-blow molding die structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211640883U true CN211640883U (en) | 2020-10-09 |
Family
ID=72692952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922041606.0U Active CN211640883U (en) | 2019-11-25 | 2019-11-25 | One-outlet multi-blow molding die structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211640883U (en) |
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2019
- 2019-11-25 CN CN201922041606.0U patent/CN211640883U/en active Active
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