CN219968661U - Submerged-type IML injection mold - Google Patents
Submerged-type IML injection mold Download PDFInfo
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- CN219968661U CN219968661U CN202320242743.4U CN202320242743U CN219968661U CN 219968661 U CN219968661 U CN 219968661U CN 202320242743 U CN202320242743 U CN 202320242743U CN 219968661 U CN219968661 U CN 219968661U
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- runner
- flow channel
- buffer
- injection
- groove
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- 238000002347 injection Methods 0.000 title claims abstract description 52
- 239000007924 injection Substances 0.000 title claims abstract description 52
- 238000000465 moulding Methods 0.000 claims abstract description 22
- 238000001746 injection moulding Methods 0.000 claims description 47
- 239000002994 raw material Substances 0.000 abstract description 54
- 238000000034 method Methods 0.000 abstract description 8
- 239000003292 glue Substances 0.000 description 10
- 239000000976 ink Substances 0.000 description 7
- 238000011010 flushing procedure Methods 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000007645 offset printing Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a submerged-type IML injection mold, which relates to the technical field of IML injection molds and comprises a rear mold core, wherein a molding groove is formed in the rear mold core, an injection port is formed in the middle of the inner bottom surface of the molding groove, the injection port is connected with an injection runner, the other end of the injection runner is connected with a fourth-level runner, the injection runner is communicated with the molding groove through the injection port, the fourth-level runner is perpendicular to the injection runner, one end of the fourth-level runner, which is far away from the injection port, is communicated with a third-level runner, the third-level runner is perpendicular to the fourth-level runner, one end of the third-level runner, which is far away from the fourth-level runner, is communicated with a main runner, the main runner is perpendicular to the second-level runner, the flow rate is slowed down for many times through the raw materials and the middle position of the injection port, which is arranged on the inner bottom surface of the molding groove, the injection runner is effectively avoided from being excessively high in the injection process, and the injection of the raw materials in a molding cavity can be fully injected without too high pressure.
Description
Technical Field
The utility model relates to the technical field of IML injection molds, in particular to a submerged-type IML injection mold.
Background
According to the utility model of the Chinese patent with application number of CN201721865614.1, molten plastic flowing out of the injection molding machine flows into the glue inlet channel 4 of the injection mold 1 through the molten plastic inlet 21, and enters the hook channel 61 of the ox horn glue-diving device 6 due to the ox horn glue-diving device 6, and is sprayed into the mold cavity 5 along the hook channel outlet 611 through the bottom of the mold cavity 5, so that offset printing on the surface of an injection molded product is avoided, the product yield is improved, the secondary processing procedures are reduced, and the practicability of the ox horn glue-diving device applied to the IMD injection mold is improved.
The "IMD technology" described in chinese application number CN201721581825.2 is divided into two processes, IML (membrane decoration) and IMR (transfer technology). Among them, in IML, how to prevent ink flushing is a key technology of the membrane. Ink-jet refers to the situation where the color of the membrane is oxidized or displaced under the high temperature impact of the particles during injection molding.
According to the "conventional technology" of the chinese application No. CN201720717850.2, since the side wall is an appearance surface, no trace of the glue injection port is allowed, only the glue injection port can be provided at one end of the housing 1, and the thin wall feature and the asymmetric shape thereof result in that the glue injection must be made to be sufficient only with a large pressure, which generates a large internal stress at the closed end of the housing 1.
In the prior art, in order to avoid offset printing with a glue inlet on the surface of an injection molding piece, ox-horn type injection molding is generally adopted, so that injection molding raw materials are fed from a place which is not the surface of a product, but when injection molding raw materials are injected into a mold cavity through the glue inlet in the injection molding glue feeding process, the phenomenon of ink flushing is easy to occur due to overlarge glue feeding flow rate, and in the prior art, ox-horn type glue feeding is generally carried out at the edge of the product, so that when injection molding raw materials enter the mold cavity, larger pressure is needed to fully inject the glue into the mold cavity.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a technical scheme capable of solving the problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an IML injection mold with a rubber-submerged type comprises a rear mold core;
the rear mold core is provided with a molding groove, the inner bottom surface of the molding groove is provided with an injection molding opening in the middle, and the injection molding opening is connected with an injection molding runner;
the injection molding runner is vertically downwards arranged on the injection molding opening, one end of the injection molding runner is connected with the injection molding opening, the other end of the injection molding runner is connected with the four-stage runner, and the injection molding runner is communicated with the molding groove through the injection molding opening;
the four-stage runner is perpendicular to the injection runner, and one end of the four-stage runner, which is far away from the injection port, is communicated with the three-stage runner;
the three-level flow channel is vertically upwards arranged on the four-level flow channel, and one end of the three-level flow channel, which is far away from the four-level flow channel, is communicated with the two-level flow channel;
the secondary flow channel is parallel to the four-stage flow channel, and one end of the secondary flow channel far away from the three-stage flow channel is communicated with the main flow channel;
the main runner is vertically upwards arranged with the secondary runner, and one end of the main runner, which is far away from the secondary runner, is provided with an input port.
As a further scheme of the utility model: the junction of main flow orifice and second grade runner is equipped with first buffer, and the junction of second grade runner and tertiary runner is equipped with second buffer, and the junction of tertiary runner and quaternary runner is equipped with the buffer runner.
As a further scheme of the utility model: the three-stage flow channel is communicated with the middle part of the buffer flow channel, and an inclined flow channel is arranged between the buffer flow channel and the four-stage flow channel;
the cross section area of the inclined flow channel uniformly contracts from the buffer flow channel to the four-stage flow channel.
As a further scheme of the utility model: the inner bottom surface of the buffer flow channel is provided with a first buffer flow groove and a second buffer flow groove, the first buffer flow groove is arranged at the lower end of the buffer flow channel and is in collinear fit with the three-stage flow channel, and the second buffer flow groove is arranged at one end, far away from the inclined flow channel, of the buffer flow channel.
As a further scheme of the utility model: the first buffer part comprises a third buffer groove and a fourth buffer groove;
the third flow-retarding groove and the fourth flow-retarding groove are arranged at one end of the secondary flow channel far away from the tertiary flow channel and are communicated with the secondary flow channel;
the third slow flow groove is arranged at the lower end of the secondary flow channel and is in collinear fit with the main flow channel.
As a further scheme of the utility model: the second buffer part comprises a fifth slow flow groove, the third slow flow groove is arranged at one end of the secondary flow channel far away from the main flow channel and is communicated with the secondary flow channel, and the fifth slow flow groove is arranged at one end of the secondary flow channel far away from the slow flow groove and is in collinear fit with the fourth slow flow groove.
Compared with the prior art, the utility model has the following beneficial effects: the right angle between the main runner and the secondary runner is used for slowing down the flow rate of the raw materials for the first time, the right angle between the secondary runner and the tertiary runner is used for slowing down the flow rate of the raw materials for the second time, the right angle between the tertiary runner and the quaternary runner is used for slowing down the flow rate of the raw materials for the third time, the right angle between the quaternary runner and the injection runner is used for slowing down the flow rate of the raw materials for the fourth time, the flow rate is slowed down for many times through the raw materials and the injection port is arranged at the central position of the bottom surface in the forming groove, the ink flushing caused by overlarge flow rate is avoided in the injection process, the injection port is arranged at the central position of the bottom surface in the forming groove, the raw materials can reach each part of the forming cavity in a relatively uniform shortest path from the injection port, when the cross section is fixed, the shorter the injection stroke of the raw materials is, the required injection pressure is smaller, the injection raw materials can be injected into the forming cavity uniformly and fully, the phenomenon of flushing ink can be effectively avoided, the qualification rate of forming parts is improved, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic view of a runner and molded part of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a cross-sectional view taken along the direction C-C in FIG. 2;
reference numerals and names in the drawings are as follows:
the injection molding machine comprises an input port-0, a main runner-1, a secondary runner-2, a tertiary runner-3, a quaternary runner-4, a first buffer part-5, a buffer runner-7, an oblique runner-8, a first buffer groove-9, a second buffer groove-10, a third buffer groove-11, a fourth buffer groove-12, a fifth buffer groove-13, an injection molding runner-14, a molding piece-15, a rear mold core-16 and a molding groove-17.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the prior art, a molding cavity is formed by matching a molding groove 17 on the rear mold core 16 with the front mold core, and the molding piece 15 is molded by injection molding of raw materials in the molding cavity.
Referring to fig. 1-3, a latent adhesive IML injection mold includes a rear mold core 16;
the rear mold core 16 is provided with a molding groove 17, the inner bottom surface of the molding groove 17 is provided with an injection molding opening in the middle, and the injection molding opening is connected with an injection molding runner 14;
the injection molding runner 14 is vertically arranged downwards to the injection molding opening, one end of the injection molding runner 14 is connected with the injection molding opening, the other end of the injection molding runner 14 is communicated with the four-stage runner 4, and the injection molding runner 14 is communicated with the molding groove 17 through the injection molding opening;
the four-stage runner 4 is perpendicular to the injection runner 14, and one end of the four-stage runner 4, which is far away from the injection port, is communicated with the three-stage runner 3;
the three-level flow channel 3 is vertically upwards arranged on the four-level flow channel 4, and one end of the three-level flow channel 3 far away from the four-level flow channel 4 is communicated with the two-level flow channel 2;
the secondary runner 2 is parallel to the quaternary runner 4, and one end of the secondary runner 2 far away from the tertiary runner 3 is communicated with the main runner 1;
the main runner 1 is vertically upwards arranged with the secondary runner 2, and one end of the main runner 1 far away from the secondary runner 2 is provided with an input port 0.
In the process of injection molding, injection molding raw materials input raw materials from an input port 0, the raw materials can reach a main runner 1 after entering from the input port 0, the raw materials can enter a secondary runner 2 when entering the main runner 1, the raw materials can enter a tertiary runner 3, the raw materials can enter a quaternary runner 4, and finally the raw materials can enter a molding cavity to enable a molded part 15 to be molded.
The injection molding runner 14 is vertically arranged downwards to the injection molding opening, the four-stage runner 4 is vertically arranged to the injection molding runner 14, the three-stage runner 3 is vertically arranged upwards to the four-stage runner 4, the two-stage runner 2 is parallel to the four-stage runner 4, the main runner 1 is vertically arranged upwards to the two-stage runner 2, the junction of the four-stage runner 4 and the injection molding runner 14 is at right angles, the junction of the three-stage runner 3 and the four-stage runner 4 is at right angles, the junction of the three-stage runner 3 and the two-stage runner 2 is at right angles, and the junction of the two-stage runner 2 and the main runner 1 is at right angles;
the right angle between the main runner 1 and the secondary runner 2 is used for slowing down the flow rate of the raw materials for the first time, the right angle between the secondary runner 2 and the tertiary runner 3 is used for slowing down the flow rate of the raw materials for the second time, the right angle between the tertiary runner 3 and the quaternary runner 4 is used for slowing down the flow rate of the raw materials for the third time, the right angle between the quaternary runner 4 and the injection runner 14 is used for slowing down the flow rate of the raw materials for the fourth time, the flow rate is slowed down for the raw materials for many times and the injection port is arranged at the middle position of the inner bottom surface of the forming groove 17, the ink flushing caused by the overlarge flow rate can be avoided in the injection process, and the injection port is arranged at the middle position of the inner bottom surface of the forming groove 17, so that the raw materials can reach every part of a cavity in a relatively uniform shortest path from the injection port.
In the embodiment of the utility model, a first buffer part 5 is arranged at the joint of the primary runner 1 port and the secondary runner 2, a second buffer part is arranged at the joint of the secondary runner 2 and the tertiary runner 3, and a buffer runner 7 is arranged at the joint of the tertiary runner 3 and the quaternary runner 4.
The flow rate of the raw material can be further reduced when the raw material passes through the first buffer part 5, the second buffer part and the buffer flow channel 7, so that the flow rate of the raw material reaches an ideal state, and the problem of ink flushing caused by too high flow rate can be further avoided.
In the embodiment of the utility model, the three-stage flow channel 3 is communicated with the middle part of the buffer flow channel 7, and an inclined flow channel 8 is arranged between the buffer flow channel 7 and the four-stage flow channel 4;
the cross-sectional area of the inclined flow passage 8 uniformly contracts from the buffer flow passage 7 to the four-stage flow passage 4.
The three-stage runner 3 is communicated with the middle part of the buffer runner 7, when the raw material passes through the three-stage runner 3 and reaches the buffer runner 7, the raw material enters the buffer runner 7 from the middle part of the buffer runner 7, the flow rate of the raw material does not reach an ideal speed at that time, the raw material entering the buffer runner 7 from the middle part of the buffer runner 7 can diffuse to the two ends of the buffer runner 7 until the buffer runner 7 is filled with the raw material, so that the injection pressure of the raw material is further released, after the raw material is filled with the buffer runner 7, the raw material enters the four-stage runner 4 through the inclined runner 8, and can diffuse to the two ends of the buffer runner 7 after entering the buffer runner 7.
In the embodiment of the utility model, a first buffer groove 9 and a second buffer groove 10 are arranged on the inner bottom surface of the buffer flow channel 7, the first buffer groove 9 is arranged at the lower end of the buffer flow channel 7 and is in collinear fit with the three-stage flow channel 3, and the second buffer groove 10 is arranged at one end of the buffer flow channel 7, which is far away from the inclined flow channel 8.
When the raw materials enter into buffering runner 7 from tertiary runner 3, first constant flow groove 9 and the collinearly cooperation of tertiary runner 3, the raw materials that comes out from tertiary runner 3 can contact with first constant flow groove 9 earlier, after the back is filled with the raw materials in first constant flow groove 9, the raw materials just can diffuse to buffering runner 7 both ends again, the one end that buffering runner 7 was kept away from slant runner 8 is located to second constant flow groove 10, when the raw materials diffuse to buffering runner 7 both ends, the part of diffusing to second constant flow groove 10 can be in second constant flow groove 10, through the cooperation of first constant flow groove 9 and second constant flow groove 10, can further make the velocity of flow of raw materials slow down, can avoid the towards the china ink that leads to because of the velocity of flow is too fast more effectively, in the in-process of moulding plastics, improve the qualification rate of annotating forming part 15.
In the embodiment of the present utility model, the first buffer portion 5 includes a third buffer groove 11 and a fourth buffer groove 12;
the third flow-retarding groove 11 and the fourth flow-retarding groove 12 are arranged at one end of the secondary flow channel 2 far away from the tertiary flow channel 3 and are communicated with the secondary flow channel 2;
the third flow-retarding groove 11 is arranged at the lower end of the secondary runner 2 and is in collinear fit with the primary runner 1.
When the raw material enters the main runner 1 from the input port 0 and then enters the secondary runner 2 from the main runner 1, the flow rate of the raw material at the moment is not slowed down, the third slow-flow groove 11 is in collinear fit with the main runner 1, the raw material coming out of the three-stage runner 3 is firstly contacted with the third slow-flow groove 11, because the flow rate of the raw material is not slowed down, at that time, the third slow-flow groove 11 slows down the flow rate of the raw material for the first time, the flow rate of the raw material can be rapidly diffused to the two ends of the secondary runner 2 after being slowed down, so that the secondary runner 2 is filled, wherein the fourth slow-flow groove 12 can reduce the speed of the raw material for filling the secondary runner 2, and the flow rate of the raw material is slowed down for the second time.
In the embodiment of the present utility model, the second buffer portion includes a fifth buffer groove 13, where the third buffer groove 11 is disposed at one end of the secondary flow channel 2 away from the primary flow channel 1 and is communicated with the secondary flow channel 2, and the fifth buffer groove 13 is disposed at one end of the secondary flow channel 2 away from the buffer groove and is in collinear fit with the fourth buffer groove 12.
The fifth slow flow groove 13 is arranged at one end of the secondary flow channel 2 far away from the slow flow groove and is in collinear cooperation with the fourth slow flow groove 12, when the primary liquid enters the secondary flow channel 2 and is subjected to first slow flow rate by the third slow flow groove 11, raw materials can rapidly diffuse towards the two ends of the secondary flow channel 2 in the secondary flow channel 2, the fourth slow flow groove 12 and the fifth slow flow groove 13 are respectively arranged at the two ends of the secondary flow channel 2, and when the primary liquid rapidly diffuses towards the two ends of the secondary flow channel 2 due to the too fast flow rate of the primary liquid, the fourth slow flow groove 12 and the fifth slow flow groove 13 can enable the secondary flow channel 2 to have a buffer space, so that the flow rate of the raw materials is further slowed down.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 submerged IML injection mold is characterized by comprising a rear mold core;
the rear mold core is provided with a molding groove, the inner bottom surface of the molding groove is provided with an injection molding opening in the middle, and the injection molding opening is connected with an injection molding runner;
the injection molding runner is vertically downwards arranged at the injection molding opening, one end of the injection molding runner is connected with the injection molding opening, the other end of the injection molding runner is connected with the four-stage runner, and the injection molding runner is communicated with the molding groove through the injection molding opening;
the four-stage runner is perpendicular to the injection runner, and one end of the four-stage runner, which is far away from the injection port, is communicated with the three-stage runner;
the three-level flow channel is vertically upwards arranged on the four-level flow channel, and one end of the three-level flow channel, which is far away from the four-level flow channel, is communicated with the two-level flow channel;
the secondary flow channel is parallel to the four-stage flow channel, and one end of the secondary flow channel far away from the three-stage flow channel is communicated with the main flow channel;
the main runner is vertically upwards arranged with the secondary runner, and one end of the main runner, which is far away from the secondary runner, is provided with an input port.
2. The submerged-type IML injection mold of claim 1, wherein a first buffer part is arranged at the joint of the main flow orifice and the secondary flow channel, a second buffer part is arranged at the joint of the secondary flow channel and the tertiary flow channel, and a buffer flow channel is arranged at the joint of the tertiary flow channel and the quaternary flow channel.
3. The submerged-type IML injection mold of claim 2, wherein the three-stage runner is communicated with the middle part of the buffer runner, and an oblique runner is arranged between the buffer runner and the four-stage runner;
the cross section area of the inclined flow channel uniformly contracts from the buffer flow channel to the four-stage flow channel.
4. The submerged-type IML injection mold of claim 3, wherein the inner bottom surface of the buffer runner is provided with a first slow flow groove and a second slow flow groove, the first slow flow groove is arranged at the lower end of the buffer runner and is in collinear fit with the three-stage runner, and the second slow flow groove is arranged at one end of the buffer runner far away from the inclined runner.
5. The submerged IML injection mold of claim 4, wherein the first buffer comprises a third buffer tank and a fourth buffer tank;
the third flow-retarding groove and the fourth flow-retarding groove are arranged at one end of the secondary flow channel far away from the tertiary flow channel and are communicated with the secondary flow channel;
the third slow flow groove is arranged at the lower end of the secondary flow channel and is in collinear fit with the main flow channel.
6. The submerged IML injection mold of claim 5, wherein the second buffer portion comprises a fifth buffer slot, the third buffer slot is disposed at one end of the second flow channel away from the main flow channel and is communicated with the second flow channel, and the fifth buffer slot is disposed at one end of the second flow channel away from the buffer slot and is in co-linear fit with the fourth buffer slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320242743.4U CN219968661U (en) | 2023-02-17 | 2023-02-17 | Submerged-type IML injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320242743.4U CN219968661U (en) | 2023-02-17 | 2023-02-17 | Submerged-type IML injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219968661U true CN219968661U (en) | 2023-11-07 |
Family
ID=88578944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320242743.4U Active CN219968661U (en) | 2023-02-17 | 2023-02-17 | Submerged-type IML injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219968661U (en) |
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2023
- 2023-02-17 CN CN202320242743.4U patent/CN219968661U/en active Active
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