An insert injection mold
By setting limit and positioning holes and guiding chamfers in the insert injection mold, the problem of thin metal inserts colliding with the mold is solved, the fixation of thin metal inserts and the universality of the mold are realized, and the manufacturing cost is reduced.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGBO NANPU ELECTROMECHANICAL CO LTD
- Filing Date
- 2025-04-03
- Publication Date
- 2026-05-26
AI Technical Summary
In the existing technology, it is difficult to prevent the thin metal insert from colliding with the front and rear molds in the mold, which affects the injection molding effect.
An insert injection mold was designed. By setting limiting holes and positioning holes on the fixed platen and the moving platen, and setting limiting grooves and guiding chamfers on the mold core and insert, the thin metal insert can be fixed and guided to prevent shaking.
It effectively prevents the collision of thin metal inserts during mold closing, improves the injection molding effect, and reduces mold manufacturing costs by adapting to different products through replaceable inserts.
Smart Images
Figure CN224276011U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of mold technology and relates to an insert injection mold. Background Technology
[0002] For some products, to improve quality, thin metal inserts need to be fixed in the mold during injection molding. Current technology makes it difficult to prevent collisions between the front and rear molds and the thin metal inserts, thus leaving considerable room for improvement. Utility Model Content
[0003] The purpose of this invention is to address the aforementioned problems in the existing technology by proposing an insert injection mold.
[0004] The objective of this utility model can be achieved through the following technical solution: an insert injection mold, comprising:
[0005] A template is provided with a first mold core, which has a limiting insertion hole for inserting one end of a piece.
[0006] A movable template that can move closer to or further away from the fixed template, the movable template being provided with a second mold core, the second mold core being provided with a positioning insertion hole, the positioning insertion hole being used for inserting the other end of the insert piece;
[0007] A cavity is formed between the first mold core and the second mold core, and the limiting insertion hole is connected to the cavity, and the positioning insertion hole is connected to the cavity.
[0008] In one of the above-mentioned insert injection molds, the first mold core is provided with a first insert, and the limiting insertion hole is formed between the first mold core and the first insert and / or the first insert.
[0009] In the aforementioned insert injection mold, the number of the first inserts is at least two, and the limiting insertion hole is also formed between two adjacent first inserts.
[0010] In one of the above-mentioned insert injection molds, the first insert is provided with a limiting groove, and the limiting groove of one first insert and the side wall of another first insert form the limiting insertion hole, or the limiting groove of one first insert and the limiting groove of another first insert form the limiting insertion hole, or the limiting groove of the first insert and the side wall of the first mold core form the limiting insertion hole.
[0011] In one of the aforementioned insert injection molds, the opening of the limiting insertion hole is formed with a guiding chamfer.
[0012] In one of the above-mentioned insert injection molds, the first mold core and / or the first insert are both provided with guide portions, and the guide portion of one first insert and the guide portion of another first insert form the guide chamfer, or the guide portion of the first insert and the guide portion of the first mold core form the guide chamfer.
[0013] In the aforementioned insert injection mold, the first insert is provided with an identification portion, and there are two first inserts, the identification portions of the two first inserts being different.
[0014] In one of the above-mentioned insert injection molds, the second mold core is provided with a second insert, and the positioning hole is formed between the second mold core and the second insert and / or the second insert.
[0015] In one of the above-mentioned insert injection molds, the number of the second inserts is at least two, and the positioning hole is also formed between two adjacent second inserts.
[0016] In one of the above-mentioned insert injection molds, the second insert is provided with a positioning groove, and the positioning groove of one second insert and the side wall of another second insert form the positioning insertion hole, or the positioning groove of one second insert and the positioning groove of another second insert form the positioning insertion hole, or the positioning groove of the second insert and the side wall of the second mold core form the positioning insertion hole.
[0017] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0018] 1. The insert is positioned by the positioning hole set in the second mold core and limited by the limiting hole set in the first mold core. The insert is first inserted into the first mold core. When the mold is closed, the insert can be automatically inserted into the second mold core. Therefore, the thin metal insert can be fixed to prevent it from shaking and affecting the injection molding effect of the insert.
[0019] 2. The first mold core is equipped with a first insert. By replacing different first inserts, different products can be adapted, or new first inserts can be replaced according to the wear of the old first inserts, thereby effectively reducing the manufacturing cost of the mold and realizing mass production of the mold.
[0020] 3. One is that one first insert has a limiting groove and the other first insert does not have a limiting groove, and the limiting groove forms a limiting insertion hole; the second is that both first inserts have limiting grooves, and the two limiting grooves are combined to form a limiting insertion hole; the third is that the first insert has a limiting groove, and the limiting groove is combined with the side wall of the first mold core to form a limiting insertion hole; any combination of these three methods can be selected.
[0021] 4. The opening of the limiting insertion hole is formed with a guiding chamfer. The chamfer can guide the part of the insert piece at an angle, thereby reducing the risk of the insert piece colliding with the fixed template when the mold is closed.
[0022] 5. First, both first inserts have guide portions, and the two guide portions are joined together to form a guide chamfer; second, one first insert has a guide portion and the first mold core has a guide portion, and the two guide portions are joined together to form a guide chamfer. Attached Figure Description
[0023] Figure 1 This is an exploded view of the insert injection mold of this utility model.
[0024] Figure 2 This is an exploded view of the insert injection mold of this utility model from another perspective.
[0025] Figure 3 This is an exploded view of the template and the first insert of this utility model.
[0026] Figure 4 This is an exploded view of the moving template and the second insert of this utility model.
[0027] In the figure, 100 is the fixed template; 200 is the first mold core; 201 is the limiting insertion hole; 202 is the guide chamfer; 210 is the first insert; 211 is the limiting groove; 212 is the guide part; 213 is the marking part; 300 is the moving template; 400 is the second mold core; 401 is the positioning insertion hole; 410 is the second insert; and 411 is the positioning groove. Detailed Implementation
[0028] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.
[0029] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.
[0030] Furthermore, in this utility model, the use of terms such as "first," "second," and "a" is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0031] In this utility model, unless otherwise explicitly specified and limited, the terms "connection," "fixing," etc., should be interpreted broadly. For example, "fixing" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0032] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.
[0033] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.
[0034] like Figures 1-4 As shown, an insert injection mold includes: a fixed template 100 and a movable template 300.
[0035] The template 100 is provided with a first mold core 200, and the first mold core 200 is provided with a limiting insertion hole 201, which is used for inserting one end of the insert piece.
[0036] Specifically, the fixed mold plate 100 is the part of the mold connected to the stationary part of the injection molding machine. It usually includes structures such as a gating system. The gating system includes the main runner, branch runners, and gates, which are responsible for guiding the molten plastic into each cavity.
[0037] The movable template 300 can be close to or away from the fixed template 100. The movable template 300 is provided with a second mold core 400. The second mold core 400 is provided with a positioning insertion hole 401. The positioning insertion hole 401 is used for inserting the other end of the insert piece.
[0038] Specifically, the moving mold plate 300 is the part of the mold connected to the moving part of the injection molding machine, which is responsible for demolding from the plastic part when the mold is opened.
[0039] A cavity is formed between the first mold core 200 and the second mold core 400, the limiting insertion hole 201 is connected to the cavity, and the positioning insertion hole 401 is connected to the cavity.
[0040] In this embodiment, the insert is positioned by the positioning hole 401 provided in the second mold core 400 and limited by the positioning and limiting hole 201 provided in the first mold core 200. The insert is first inserted into the first mold core 200, and the insert can be automatically inserted into the second mold core 400 when the mold is closed. Therefore, the thin metal insert can be fixed to prevent it from shaking and affecting the injection molding effect of the insert.
[0041] like Figures 1-4 As shown, based on the above embodiment, the first mold core 200 is provided with a first insert 210, and the limiting insertion hole 201 is formed between the first mold core 200 and the first insert 210 and / or the first insert 210.
[0042] In this embodiment, the first mold core 200 is provided with a first insert 210. By replacing different first inserts 210 to adapt to different products, or by replacing the old first insert 210 with a new one according to the wear of the old first insert 210, the manufacturing cost of the mold can be effectively reduced and the mold can be mass-produced.
[0043] The limiting insertion hole 201 is formed between the first mold core 200 and the first insert 210, or the first insert 210, the specific setting position can be determined according to the specific manufacturing requirements.
[0044] like Figures 1-4 As shown, based on the above embodiment, the number of the first insert 210 is at least two, and the limiting hole 201 is also formed between two adjacent first inserts 210.
[0045] In this embodiment, the number of first inserts 210 is at least two and the limiting hole 201 is also formed between two adjacent first inserts 210, so that the position of the limiting hole 201 is flexible and not limited to the first mold core 200 and the first insert 210, or the first insert 210.
[0046] like Figures 1-4 As shown, based on the above embodiment, the first insert 210 is provided with a limiting groove 211. The limiting groove 211 of one first insert 210 and the side wall of another first insert 210 are formed to form the limiting insertion hole 201, or the limiting groove 211 of one first insert 210 and the limiting groove 211 of another first insert 210 are formed to form the limiting insertion hole 201, or the limiting groove 211 of the first insert 210 and the side wall of the first mold core 200 are formed to form the limiting insertion hole 201.
[0047] In this embodiment, one first insert 210 has a limiting groove 211 and the other first insert 210 does not have a limiting groove 211, and the limiting groove 211 is formed as a limiting insertion hole 201; the second is that both first inserts 210 have limiting grooves 211, and the two limiting grooves 211 are joined together to form a limiting insertion hole 201; the third is that the first insert 210 has a limiting groove 211, and the limiting groove 211 is joined with the side wall of the first mold core 200 to form a limiting insertion hole 201; these three methods can be arbitrarily selected and combined.
[0048] like Figures 1-4 As shown, based on the above embodiment, the opening of the limiting insertion hole 201 is formed with a guide chamfer 202.
[0049] In this embodiment, the opening of the limiting insertion hole 201 is formed with a guide chamfer 202, which can guide the part of the insert piece to be inserted at an angle, thereby reducing the risk of the insert piece colliding with the fixed template 100 when the mold is closed.
[0050] like Figures 1-4 As shown, based on the above embodiment, both the first mold core 200 and / or the first insert 210 are provided with a guide portion 212. The guide portion 212 of one first insert 210 and the guide portion 212 of another first insert 210 form the guide chamfer 202, or the guide portion 212 of the first insert 210 and the guide portion 212 of the first mold core 200 form the guide chamfer 202.
[0051] In this embodiment, firstly, both first inserts 210 are provided with guide portions 212, and the two guide portions 212 are joined together to form a guide chamfer 202; secondly, one first insert 210 is provided with a guide portion 212 and the first mold core 200 is provided with a guide portion 212, and the two guide portions 212 are joined together to form a guide chamfer 202.
[0052] like Figures 1-4 As shown, based on the above embodiment, the first insert 210 is provided with an identification portion 213.
[0053] In this embodiment, the identifier 213 can be a single unit, or two or more units, depending on the specific circumstances.
[0054] like Figures 1-4 As shown, based on the above embodiment, the number of the first insert 210 is two, and the marking portion 213 of the two first inserts 210 are different.
[0055] In this embodiment, when there are two first inserts 210, the two marking portions 213 have different shapes, presenting as one positive and one negative marking.
[0056] Specifically, the three inserts are located at the ends of the two inserts furthest from each other and between the two inserts.
[0057] When the two marking portions 213 have different shapes, the two inserts located at the ends of the corresponding inserts away from each other are inserted in a specific direction according to the corresponding marking portions 213. The insert located between the two inserts can be inserted according to the distribution direction of the marking portions 213.
[0058] like Figures 1-4 As shown, based on the above embodiment, the second mold core 400 is provided with a second insert 410, and the positioning hole 401 is formed between the second mold core 400 and the second insert 410 and / or the second insert 410.
[0059] In this embodiment, the second mold core 400 is provided with a second insert 410. By replacing different second inserts 410 to adapt to different products, or by replacing the old second insert 410 with a new one based on its wear, the manufacturing cost of the mold can be effectively reduced, and mass production of the mold can be achieved.
[0060] The positioning hole 401 is formed between the second mold core 400 and the second insert 410, or the second insert 410, the specific setting position can be determined according to the specific manufacturing requirements.
[0061] like Figures 1-4 As shown, based on the above embodiment, the number of the second insert 410 is at least two, and the positioning hole 401 is also formed between two adjacent second inserts 410.
[0062] In this embodiment, the number of second inserts 410 is at least two, and the positioning hole 401 is also formed between two adjacent second inserts 410, so that the position of the positioning hole 401 is flexible and not limited to the second mold core 400 and the second insert 410, or the second insert 410.
[0063] like Figures 1-4 As shown, based on the above embodiment, the second insert 410 is provided with a positioning groove 411. The positioning groove 411 of one second insert 410 and the side wall of another second insert 410 form the positioning insertion hole 401, or the positioning groove 411 of one second insert 410 and the positioning groove 411 of another second insert 410 form the positioning insertion hole 401, or the positioning groove 411 of the second insert 410 and the side wall of the second mold core 400 form the positioning insertion hole 401.
[0064] In this embodiment, one is that a second insert 410 has a positioning groove 411 and the other second insert 410 does not have a positioning groove 411, and the positioning groove 411 is formed as a positioning insertion hole 401; the second is that both second inserts 410 have positioning grooves 411, and the two positioning grooves 411 are joined together to form a positioning insertion hole 401; the third is that the second insert 410 has a positioning groove 411, and the positioning groove 411 is joined with the side wall of the second mold core 400 to form a positioning insertion hole 401; these three methods can be arbitrarily selected and combined.
Claims
1. An insert injection mold characterized by, include: A template is provided with a first mold core, which has a limiting insertion hole for inserting one end of a piece. A movable template that can move closer to or further away from the fixed template, the movable template being provided with a second mold core, the second mold core being provided with a positioning insertion hole, the positioning insertion hole being used for inserting the other end of the insert piece; A cavity is formed between the first mold core and the second mold core, and the limiting insertion hole is connected to the cavity, and the positioning insertion hole is connected to the cavity.
2. An insert injection mold as defined in claim 1, wherein: The first mold core is provided with a first insert, and the limiting insertion hole is formed between the first mold core and the first insert and / or the first insert.
3. An insert injection mold as defined in claim 2, wherein: The number of the first inserts is at least two, and the limiting hole is also formed between two adjacent first inserts.
4. An insert injection mold as defined in claim 3, wherein: The first insert is provided with a limiting groove. The limiting groove of one first insert and the side wall of another first insert form the limiting insertion hole, or the limiting groove of one first insert and the limiting groove of another first insert form the limiting insertion hole, or the limiting groove of the first insert and the side wall of the first mold core form the limiting insertion hole.
5. An insert injection mold as described in claim 4, characterized in that: The opening of the limiting socket is formed with a guiding chamfer.
6. An insert injection mold as described in claim 5, characterized in that: The first mold core and / or the first insert are both provided with a guide portion, and the guide portion of one first insert and the guide portion of another first insert form a guide chamfer, or the guide portion of the first insert and the guide portion of the first mold core form a guide chamfer.
7. An insert injection mold as described in claim 2, characterized in that: The first insert is provided with a marking portion, and there are two first inserts, the marking portions of the two first inserts are different.
8. An insert injection mold as described in claim 1, characterized in that: The second mold core is provided with a second insert, and the positioning hole is formed between the second mold core and the second insert and / or the second insert.
9. An insert injection mold as described in claim 8, characterized in that: The number of the second inserts is at least two, and the positioning hole is also formed between two adjacent second inserts.
10. An insert injection mold as described in claim 9, characterized in that: The second insert is provided with a positioning groove, and the positioning groove of one second insert is formed between the side wall of another second insert to form the positioning insertion hole, or the positioning groove of one second insert is formed between the positioning groove of another second insert to form the positioning insertion hole, or the positioning groove of the second insert is formed between the side wall of the second mold core.