CN212385926U - Extrusion head for injection molding - Google Patents
Extrusion head for injection molding Download PDFInfo
- Publication number
- CN212385926U CN212385926U CN202020663508.0U CN202020663508U CN212385926U CN 212385926 U CN212385926 U CN 212385926U CN 202020663508 U CN202020663508 U CN 202020663508U CN 212385926 U CN212385926 U CN 212385926U
- Authority
- CN
- China
- Prior art keywords
- feeding
- extrusion
- injection molding
- box
- extruding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses an it moulds plastics with extruding head, the head of extruding include feeding portion and extrusion portion, extrusion portion install in the center department of feeding portion left side terminal surface, be equipped with feedstock channel in the left feeding portion, feedstock channel's both ends be located the upper surface and the left end face of feeding portion respectively, the utility model overcomes the defects of prior art, should extrude first installation and convenient to use, intermittent type formula feeding when can be used to moulding plastics.
Description
Technical Field
The utility model relates to an extrude first technical field, specifically belong to an it extrudes head to mould plastics with moulding plastics.
Background
Injection molding is one of the common processing modes in the production process of plastic products, and an injection molding piece has the advantages of high structural strength, simple processing process and good product consistency, so most plastic products are processed by adopting an injection molding process. The injection molding equipment is mainly an injection molding machine, and the injection molding machine has the main functions of extruding and plasticizing injection molding molten materials, then injecting the injection molding molten materials into a mold cavity, and cooling and molding the molten materials to obtain an injection molding piece. In the injection molding process, the injection molding pressure and the pressure maintaining time are key parameters influencing the quality of an injection molding part, and the injection molding pressure is mainly generated by the extrusion pressure generated by an extrusion screw of an injection molding machine, so that when the same injection molding part is injected, quantitative melting materials are injected into the injection molding machine, the injection molding pressure can be ensured to be stable during injection molding, the injection molding requirement is met, and the quality of an injection molding product is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an it moulds plastics with extruding head has overcome prior art's not enough.
In order to solve the above problems, the utility model adopts the following technical proposal:
the utility model provides an it moulds plastics with extruding head, extrude the head and include feeding portion and extrusion portion, extrusion portion install in the center department of feeding portion left side terminal surface, be equipped with feedstock channel on the left feeding portion, feedstock channel's both ends be located the upper surface and the left end face of feeding portion respectively.
Wherein, the middle part of the feeding part is provided with an annular mounting groove.
Wherein, the annular mounting groove is of a conical structure.
The feeding part and the extruding part are cylindrical, the extruding part is provided with a spiral edge, and the sum of the outer diameter of the extruding part and the height of the spiral edge is smaller than the outer diameter of the feeding part.
Compared with the prior art, the utility model discloses an implement the effect as follows: should extrude overhead annular mounting groove that has, mountable sealing ring in the annular mounting groove is sealed between extruding the head and extruding the case, makes this extrusion head can not take place the leakage of melting material when using, in addition, is equipped with feedstock channel in the feed portion, and melting material accessible feedstock channel gets into out the workbin, makes the spiral shell arris in extruding the portion can extrude the melting material, should extrude first installation and convenient to use, intermittent type formula feeding when can being used to moulding plastics.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic view of the structure of the feed section;
fig. 3 is a schematic structural view of the utility model installed in the injection molding device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation to be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in figure 3, the intermittent quantitative injection molding device comprises an extrusion device, a feeding device, a hopper 9 and a control box 3, wherein the control box 3 is electrically connected with an external power supply.
As shown in fig. 1-3, the extrusion device includes an extrusion box 4 and an extrusion motor 6, the extrusion motor 6 is a servo motor, the extrusion device is provided with a feed inlet and a discharge outlet, the extrusion motor 6 is arranged on the right side of the extrusion box 4, the extrusion motor 6 is electrically connected with the control box 3, the extrusion box 4 is cylindrical, the left side of the extrusion box 4 is provided with a discharge box 41, the feed inlet is positioned on the upper part of the extrusion box 4, the discharge outlet is positioned at the left end of the discharge box 41, the discharge outlet is of a conical structure, an extrusion head is installed in the extrusion box 4, the extrusion head is installed on a rotating shaft 61 of the extrusion motor 6 through a connecting rod 62, and the connecting rod 62 is connected with the; the head of extruding includes feed portion 5 and extrusion portion 50, extrusion portion 50 installs in the center department of 5 left side terminal surfaces of feed portion, feed portion 5 and extrusion portion 51 are cylindrical, extrusion portion 50 is located ejection of compact case 41, feed portion 5 is located extrusion case 4, feed portion 5 is cylindrical, the middle part of feed portion 5 is equipped with annular mounting groove 54, annular mounting groove 54 is the toper structure, install sealing ring 7 on the annular mounting groove 54, sealing ring 7 can be sealed extrusion head and extrusion case 4 between, prevent that the melting material from producing the leakage, be equipped with feed channel 53 with feed inlet matched with on the left side feed portion 5 of annular mounting groove 54, the both ends of feed channel 53 are located on the upper surface and the left end face of feed portion 5 respectively, be equipped with spiral arris 51 on extrusion portion 50, the external diameter of extrusion portion 50 and the high sum of spiral arris 51 are less than the external diameter of feed portion.
As shown in fig. 3, the feeding device is installed above the extrusion device through a first mounting frame 13 and a second mounting frame 19, the feeding device comprises a feeding box 1 and a push rod motor 2, the push rod motor 2 is arranged on the right side of the feeding box 1, the push rod motor 2 is electrically connected with a control box 3, a feeding pipe 11 and a discharging pipe 12 are arranged on a left box body of the feeding box 1, a check valve 14 is installed on the feeding pipe 11, the feeding pipe 11 above the check valve 14 is connected with a hopper 9, molten material is contained in the hopper 9, a piston is arranged in the feeding box 1 and is installed on an expansion rod 21 of the push rod motor 2, the piston comprises a first piston 16 and a second piston 17, the first piston 16 and the second piston 17 are identical in structure, outer side edges are both contacted with the inner wall of the feeding box 1, a sealing ring 18 is arranged between the first piston 16 and the second piston 17, the, the outlet pipe 12 is connected to the inlet opening.
When the device is used, the control box 3 is connected with an external power supply, the push rod motor 2 and the extrusion motor 6 of the device are supplied with power through the control box 3, and the extrusion motor 6 and the push rod motor 2 start to work. When the feed pipe 11 is just communicated with the feed channel 53, the piston is positioned at the rightmost end of the feed box 1; along with the rotation of the feeding part 5, the communication area between the feeding channel 53 and the feeding pipe 11 is gradually increased and then gradually decreased, meanwhile, the push rod motor 2 pushes the piston to the direction of the discharging pipe 12 on the left side of the feeding box 1 through the telescopic rod 21 to extrude the molten material in the feeding box 1, so that the feeding pipe 11 is sealed by the check valve 14, the feeding channel 53 on the feeding part 5 is communicated with the discharging pipe 12 at the moment, so that the molten material is extruded into the extruding box 4 on the left side of the feeding part 5, and when the communication between the feeding channel 53 and the feeding pipe 11 is just disconnected, the piston reaches the leftmost end of the feeding box 1 at the moment; then, the feeding part 5 continues to rotate, the push rod motor 2 pulls the piston from the leftmost end to the rightmost end of the feeding box 1, when the feeding pipe 11 is just communicated with the feeding channel 53, the piston reaches the rightmost end of the feeding box 1, and then the steps are continued, so that the feeding box 1 feeds the extrusion box 4 intermittently and quantitatively.
When the discharge pipe 12 and the feeding channel 53 are disconnected, the telescopic rod 21 pulls the piston to the direction away from the discharge pipe 12, and in the process of moving the piston, negative pressure is generated in the feeding box 1, so that the check valve 14 is opened, and molten material in the hopper 9 is sucked into the feeding box 1; meanwhile, in the process that the feeding part 5 continues to rotate, the extrusion part 50 plasticizes and extrudes the molten material in the discharge box 41, so that the molten material is extruded from the discharge port, after the molten material is extruded, the molten material in the discharge box 41 and the extrusion box 4 is reduced, the pressure is reduced, the extrusion part 50 cannot continue to extrude the molten material, after the feeding part 5 rotates to the discharge pipe 12 to be communicated with the feeding channel 53 again, the molten material is extruded into the extrusion box 4 from the feeding box 1 again, after the material feeding is realized, the discharge port of the device can continue to extrude, the molten material is injected into the mold, the device can realize autonomous quantitative feeding, the injection molding extrusion process is intermittent, the requirement of intermittent injection molding processing can be met, and the quality of the produced product is stable.
In this apparatus, since the distance of each movement of the piston in the feed box 1 is the same, the volume of the molten material extruded into the extrusion box 4 in each time in the feed box 1 is the same, and the quantitative feeding is realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an it moulds plastics with extruding head which characterized in that: the extrusion head comprises a feeding part and an extrusion part, the extrusion part is installed at the center of the left end face of the feeding part, a feeding channel is arranged on the left feeding part, and two ends of the feeding channel are respectively located on the upper surface and the left end face of the feeding part.
2. An extrusion head for injection molding as claimed in claim 1, wherein: the middle part of the feeding part is provided with an annular mounting groove.
3. An extrusion head for injection molding as claimed in claim 2, wherein: the annular mounting groove is of a conical structure.
4. An extrusion head for injection molding as claimed in claim 1, wherein: the feeding part and the extruding part are cylindrical, the extruding part is provided with a spiral edge, and the sum of the outer diameter of the extruding part and the height of the spiral edge is smaller than the outer diameter of the feeding part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020663508.0U CN212385926U (en) | 2020-04-27 | 2020-04-27 | Extrusion head for injection molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020663508.0U CN212385926U (en) | 2020-04-27 | 2020-04-27 | Extrusion head for injection molding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212385926U true CN212385926U (en) | 2021-01-22 |
Family
ID=74249358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020663508.0U Active CN212385926U (en) | 2020-04-27 | 2020-04-27 | Extrusion head for injection molding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212385926U (en) |
-
2020
- 2020-04-27 CN CN202020663508.0U patent/CN212385926U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212385875U (en) | Intermittent quantitative injection molding device | |
| CN212603194U (en) | Extrusion device for injection molding | |
| CN212385926U (en) | Extrusion head for injection molding | |
| CN212949105U (en) | Material extruder | |
| CN212603021U (en) | Special feed arrangement of intermittent type formula ration injection molding machine | |
| CN217196798U (en) | Adjustable extrusion molding die for ultra-high molecular weight polyethylene pipe | |
| CN216860499U (en) | Injection molding and melting equipment for reagent bottles | |
| CN113858529A (en) | Injection molding device for producing bottle caps and using method thereof | |
| CN215791657U (en) | Screw exhaust adjustable structure of rubber extruder | |
| CN214353761U (en) | Integrated mixed modification injection molding device | |
| CN214188165U (en) | Feeding extrusion device of automatic injection molding machine | |
| CN114311495A (en) | Continuous type injection mold for extruder | |
| CN205522381U (en) | Quick shaping material plastifying double -line production system of intelligent 3D | |
| CN211334314U (en) | Automatic injection molding device for notebook computer injection molding piece | |
| CN211842922U (en) | Plastic drum injection moulding device | |
| CN221212689U (en) | Quick thermoplastic elastomer extrusion device | |
| CN214491542U (en) | Coaxial production line high temperature extruder | |
| CN218399180U (en) | Injection molding nozzle | |
| CN112606313A (en) | Equipment for reducing internal stress of injection molding part and injection molding production method | |
| CN207522963U (en) | Feed mechanism, injection molding machine and former | |
| CN115782031B (en) | Pearl cotton production equipment and process thereof | |
| CN214448043U (en) | Injection machine of impurity filtering device | |
| CN2650970Y (en) | Multi-chamber rotary moulding frame apparatus for producing plastic-wood composite articles | |
| CN217293239U (en) | Feeding device of injection molding machine | |
| CN221112790U (en) | Extrusion structure for manufacturing plastic product |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |