Feeding structure of injection mold for metal insert

By designing a laterally moving injection mold structure and an electrically heated insertion positioning rod, the problem of inaccurate positioning of metal inserts was solved, achieving precise positioning and heating of the metal inserts and improving injection molding quality.

CN223720019UActive Publication Date: 2025-12-26SUZHOU YUNDA PLASTICS&ELECTRONICS CO LTD
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Patent Information

Application Number
CN202520026013.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2025-12-26
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

Existing injection molds for metal inserts suffer from inaccurate positioning during material loading, resulting in limited operating space.

Method used

A feeding structure for an injection mold for metal inserts was designed. The mold structure is laterally movable and combined with a feeding positioning seat and an electrically heated insertion positioning rod. Precise feeding and heating are achieved through a lifting drive mechanism and a transmission screw.

Benefits of technology

It achieves precise positioning and heat treatment of metal inserts, ensuring a tight bond between the metal inserts and the injection molding material, and improving production quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of metal insert injection molding, in particular to a feeding structure of an injection mold for metal inserts, which comprises an injection mold body, a supporting seat is arranged on the injection mold body, a bottom mold is mounted at the upper end of the supporting seat, and side movable molds are symmetrically clamped and assembled at the upper end of the bottom mold. And an upper movable mold is arranged above the side movable mold, a lifting driving mechanism is connected between the upper movable mold and the supporting seat at intervals, a feeding positioning seat is inserted and fastened in the side movable mold, and an electric heating insertion positioning rod penetrates through the feeding positioning seat. According to the feeding structure of the injection mold for the metal insert, the mold for positioning the metal insert is arranged to be of a structure capable of laterally moving, the feeding positioning seat is arranged on the lateral moving mold, the feeding positioning seat is used in cooperation with the feeding positioning plate with the feeding limiting hole, enough feeding space is achieved, and feeding treatment of the metal insert can be accurately conducted.
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Description

TECHNICAL FIELD

[0001] The utility model relates to metal insert injection technology field, concretely is a kind of feeding structure of injection mold for metal insert. BACKGROUND

[0002] Metal insert is a kind of component for reinforcing product performance or facilitating assembly, it is usually embedded into non-metallic material (such as plastic, rubber, etc.) to be made, integrally formed by injection molding. Metal insert can provide threaded connection, strengthen structural strength, improve conductivity or thermal conductivity, etc. Function, widely used in automobile industry, electronic equipment, household appliances, etc. Field to meet different design and functional requirements.

[0003] The existing injection mold for metal insert adopts manual or mechanical mode to place metal insert into the designed position during the feeding treatment of metal insert, but the operation space is effective, and the problem of inaccurate positioning is easily generated. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of feeding structure of injection mold for metal insert to solve the problem that the injection mold for metal insert on the market currently adopts manual or mechanical mode to place metal insert into the designed position during the feeding treatment of metal insert, but the operation space is effective, and the problem of inaccurate positioning is easily generated.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of feeding structure of injection mold for metal insert, including injection mold main body, the support seat is equipped on the injection mold main body, and the bottom die is installed on the upper end of support seat, and the side movable mold is symmetrically connected and assembled on the upper end of bottom die, the upper movable mold is equipped above side movable mold, and lifting drive mechanism is connected with an interval between upper movable mold and support seat, the feeding positioning seat is tightly inserted into side movable mold, the electric heating plug-in positioning rod is penetrated in feeding positioning seat, and the heating wire end of electric heating plug-in positioning rod is electrically connected with heating wire power line, the positioning seat is fixed on both ends of the short side of support seat, the transmission screw is rotatably installed between positioning seat and bottom die, and the transmission screw is penetrated and cooperates with side movable mold through thread structure, the feeding positioning plate is also connected on the upper end of positioning seat, and the feeding limiting hole corresponding with the position of feeding positioning seat is opened on the feeding positioning plate.

[0006] Preferably, the feeding limiting hole is a tapered hole structure with larger upper end diameter than lower end diameter.

[0007] Preferably, the transmission screw is symmetrically provided with limiting slide rail on both sides, one end of transmission screw is installed with step motor through gear structure, and step motor is located below support seat.

[0008] Preferably, the limiting slide rail is movably connected with the side movable mold base respectively, and the limiting slide rail is bolted with the supporting seat.

[0009] Preferably, a limiting ring is movably connected in the feeding positioning seat, and the limiting ring is penetrated and welded with the electric heating plug-in positioning rod after.

[0010] Preferably, a spring is sleeved on the electric heating plug-in positioning rod, and the spring is located below the limiting ring, and the heating wire power line is embedded in the side movable mold.

[0011] Compared with the prior art, the beneficial effects of the metal insert injection mold feeding structure are that the mold for positioning the metal insert is arranged as a structure movable laterally, and a feeding positioning seat is arranged on the side movable mold, and the feeding positioning seat is used in cooperation with the feeding positioning plate with feeding limiting holes, so that sufficient feeding space is provided, and the feeding of the metal insert can be accurately performed. The metal insert injection mold feeding structure is provided with the electric heating plug-in positioning rod in the feeding positioning seat, so that the metal insert can be positioned and heated, the metal insert and the injection material can be better combined, and the production quality is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structure schematic view of the metal insert injection mold feeding structure of the utility model;

[0013] Figure 2 It is a metal insert injection mold feeding structure of the utility model Figure 1 It is an enlarged structure schematic view of A place;

[0014] Figure 3 It is a relative position structure schematic view of the feeding positioning plate and the side movable mold of the metal insert injection mold feeding structure of the utility model;

[0015] Figure 4 It is a relative position structure schematic view of the feeding positioning plate and the supporting seat of the metal insert injection mold feeding structure of the utility model.

[0016] In the drawing: 1, injection mold main body; 2, upper movable mold; 3, side movable mold; 4, lifting drive mechanism; 5, feeding positioning plate; 501, feeding limiting hole; 6, positioning seat; 7, transmission screw; 701, stepper motor; 8, bottom mold; 9, feeding positioning seat; 901, limiting ring; 902, spring; 903, heating wire power line; 904, electric heating plug-in positioning rod; 10, limiting slide rail; 11, supporting seat. DETAILED DESCRIPTION

[0017] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0018] Please refer to Figures 1-4The utility model provides a technical scheme: a kind of feeding structure of metal insert injection mold, including injection mold main body 1, injection mold main body 1 is equipped with support seat 11, and support seat 11 upper end is equipped with bottom die 8, and bottom die 8 upper end is symmetrically connected with side movable mould 3, side movable mould 3 upper side is equipped with upper movable mould 2, and upper movable mould 2 is connected with lifting drive mechanism 4 between support seat 11 interval, side movable mould 3 is inserted into fastening and has feeding positioning seat 9, and feeding positioning seat 9 is penetrated by electric heating plug-in positioning rod 904, and the heating wire end of electric heating plug-in positioning rod 904 is electrically connected with heating wire power cord 903, feeding positioning seat 9 is movably clamped with limit ring 901, and limit ring 901 is welded and fixed after being penetrated by electric heating plug-in positioning rod 904, this structure feeding positioning seat 9 is used for the connecting positioning between electric heating plug-in positioning rod 904, according to the arrangement requirement of metal insert, embedding installation of feeding positioning seat 9 is carried out, spring 902 is sleeved on electric heating plug-in positioning rod 904, and spring 902 is located the position below limit ring 901, heating wire power cord 903 is embedded in side movable mould 3, this structure reliably makes electric heating plug-in positioning rod 904 be pressed and move down, and in the process of moving down, spring 902 is compressed by limit ring 901, to avoid electric heating plug-in positioning rod 904 damage, and prevent electric heating plug-in positioning rod 904 from affecting the positioning of upper movable mould 2, simultaneously, by the design of spring 902, the reset of electric heating plug-in positioning rod 904 is easy, when stripping, first, upper movable mould 2 is moved up, then stripping is carried out, and after metal insert is separated from electric heating plug-in positioning rod 904, side movable mould 3 is moved to the side, to realize again feeding treatment, the both ends of the short side of support seat 11 are fixed with positioning seat 6 symmetrically, drive screw 7 is rotatably installed between positioning seat 6 and bottom die 8, and drive screw 7 is penetrated and cooperates with side movable mould 3 by thread structure, limit slide rail 10 is symmetrically arranged on the both sides of drive screw 7, one end of drive screw 7 is equipped with stepper motor 701 by gear structure, and stepper motor 701 is located below support seat 11, this structure can make stepper motor 701 drive drive screw 7 to rotate by gear transmission, by the forward rotation and reverse rotation of drive screw 7, the reciprocating movement of side movable mould 3 can be realized, when side movable mould 3 is clamped to the outside of bottom die 8, sealing treatment can be realized, to facilitate injection molding, and side movable mould 3 can be easily replaced, to update the design position of metal insert, limit slide rail 10 and side movable mould 3 bottom are movably clamped respectively, and limit slide rail 10 is bolted with support seat 11, this structure can make limit slide rail 10 move and limit side movable mould 3, to make the transmission of drive screw 7 to side movable mould 3 realize the reciprocating movement of side movable mould 3, by moving side movable mould 3 to the side, greater operating space can be provided for the feeding of metal insert, protective structure can be covered outside injection mold main body 1, to make production safer,And the upper feeding positioning plate 5 is provided with an upper feeding limiting hole 501 corresponding to the position of the upper feeding positioning seat 9, the upper feeding limiting hole 501 is a tapered hole structure with a larger upper end diameter than a lower end diameter, which can allow the metal insert to smoothly pass through the upper feeding limiting hole 501, so that the metal insert can be inserted into the electric heating plug-in positioning rod 904 to realize the positioning of the metal insert, and the electric heating plug-in positioning rod 904 can heat the metal insert, thereby improving the connection tightness of the metal insert and the injection material and ensuring the injection quality.

[0019] Working principle: when the upper feeding structure of the metal insert injection mold is used, firstly, the stepping motor 701 is started under the positioning of the support seat 11 to rotate and drive the transmission screw 7, so that the displacement of the side movable mold 3 is realized, the side movable mold 3 is moved and limited by the limiting slide rail 10, when the side movable mold 3 approaches one side of the positioning seat 6, the metal insert is introduced into the upper feeding positioning seat 9 through the upper feeding limiting hole 501 above the upper feeding positioning plate 5, and the metal insert is inserted and limited by the electric heating plug-in positioning rod 904, when the side movable mold 3 is closed, the lower mold is formed by the cooperation of the side movable mold 3 and the bottom mold 8, the upper movable mold 2 is driven downward by the lifting driving mechanism 4, and the upper and lower molds are closed, at this time, the electric heating plug-in positioning rod 904 is compressed by the limiting ring 901 to compress the spring 902 and moves downward, and then the injection processing can be carried out, since the metal insert is heated by the electric heating plug-in positioning rod 904, the injection material and the metal insert are tightly combined, the heating wire power line 903 is used for wiring power supply processing of the internal heating structure of the electric heating plug-in positioning rod 904, when the injection mold main body 1 is demolded, the upper movable mold 2 is first moved upward, then demolded, and after the metal insert is separated from the electric heating plug-in positioning rod 904, the side movable mold 3 is moved again to feed the metal insert again, and then the above steps are repeated to carry out the injection molding of the metal insert, so that a series of work is completed.

[0020] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An injection mold for a metal insert, comprising an injection mold body (1), characterized in that: The injection mold body (1) is provided with a support seat (11), and the support seat (11) is provided with a bottom die (8) at the upper end, and the bottom die (8) is provided with a side movable mold (3) at the upper end, the side movable mold (3) is provided with an upper movable mold (2) above, and the upper movable mold (2) and the support seat (11) are connected by a lifting drive mechanism (4), the side movable mold (3) is provided with a feeding positioning seat (9) inserted and fastened, the feeding positioning seat (9) is provided with an electric heating plug-in positioning rod (904) penetrating therein, and the heating wire end of the electric heating plug-in positioning rod (904) is electrically connected with a heating wire power line (903), the support seat (11) is provided with a positioning seat (6) at both ends of the short side, the positioning seat (6) and the bottom die (8) are rotatably provided with a transmission screw (7), and the transmission screw (7) and the side movable mold (3) are penetrated and matched through a threaded structure, the positioning seat (6) is further provided with a feeding positioning plate (5) at the upper end, and the feeding positioning plate (5) is provided with a feeding limiting hole (501) corresponding to the position of the feeding positioning seat (9).

2. The feeding structure of an injection mold for a metal insert according to claim 1, characterized in that: The feeding limiting hole (501) is a tapered hole structure with a larger upper end diameter than a lower end diameter.

3. The feeding structure of the injection mold for metal insert according to claim 1, characterized in that: The transmission screw (7) is provided with a limiting slide rail (10) at both sides, and one end of the transmission screw (7) is provided with a stepping motor (701) through a gear structure, and the stepping motor (701) is located below the support seat (11).

4. The feeding structure of the injection mold for metal insert according to claim 3, characterized in that: The limiting slide rail (10) and the side movable mold (3) are movably connected, and the limiting slide rail (10) and the support seat (11) are bolted.

5. The feeding structure of an injection mold for a metal insert according to claim 1, wherein: The feeding positioning seat (9) is movably connected with a limiting ring (901), and the limiting ring (901) and the electric heating plug-in positioning rod (904) are welded and fixed after penetrating.

6. The feeding structure of the injection mold for metal insert according to claim 5, characterized in that: The electric heating plug-in positioning rod (904) is provided with a spring (902), and the spring (902) is located below the limiting ring (901), and the heating wire power line (903) is embedded in the side movable mold (3).