Injection mold
By designing an injection mold with a slider seat and slider core featuring an elastic snap-fit mechanism, the mold closing problem caused by slider interference was solved, enabling vertical assembly and disassembly of the slider core and slider seat. This facilitates automatic robotic arm loading and unloading and is suitable for injection molding of metal terminals for electrical connectors.
Patent Information
- Application Number
- CN202423120659.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-16
AI Technical Summary
Due to the structural reasons of the customer's product, the metal terminals interfere with the positioning of the traditional slider, resulting in the inability to close the mold normally. The existing mold cannot achieve normal mold closing while meeting the customer's needs and keeping the structure unchanged.
Design an injection mold including a slider seat and a slider core. The slider seat is equipped with an elastic snap-fit mechanism, which enables vertical assembly and disassembly of the slider core and the slider seat by longitudinal assembly and snap-fit to the protrusion of the slider core, facilitating the automatic robot arm to pick up and put in the mold.
It enables vertical assembly and disassembly of the slider mold core and the slider seat, solves the slider interference problem, ensures normal mold closing, and is suitable for injection molding of metal terminals of electrical connectors.
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Figure CN223573641U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The embodiment of the utility model relates to injection mold technical field, especially injection mold. BACKGROUND
[0002] Due to the structure of the client product, the metal terminal is positioned on the slider designed in the traditional way, and the metal terminal will interfere in the process of the slider entering the mold core, so that the mold cannot be normally closed. At present, the product structure cannot be changed while meeting the functional requirements of the client product. If both the product and the mold can be realized, a new structure design of the mold is required.
[0003] Therefore, it is necessary to provide a new injection mold to overcome the above defects. CONTENT OF THE UTILITY MODEL
[0004] The purpose of the embodiment of the utility model is to provide an injection mold, which realizes the vertical disassembly of the slider mold core and the slider seat.
[0005] To solve the above technical problems, the embodiment of the utility model provides an injection mold for injection molding a plurality of metal terminals on an insulating body, the injection mold comprising a slider seat and a slider mold core located at the longitudinal front end of the slider seat, the slider seat is provided with a slider seat body extending in the transverse direction, a front end portion protruding forward in the longitudinal direction from the slider seat body, and an elastic buckle mechanism located in the front end portion, the buckle mechanism at least partially protrudes out of the transverse side wall surface of the front end portion, the slider mold core is provided with a slider main body portion extending in the transverse direction, two extension portions extending rearward in the longitudinal direction from the transverse sides of the slider main body portion, and a protruding portion extending from the ends of the two extension portions. When the slider seat is assembled in the longitudinal direction on the slider mold core, the front end portion is located between the two extension portions, and the buckle mechanism is buckled in the longitudinal direction on the protruding portion; when the slider seat is completely assembled on the slider mold core, the buckle mechanism and the protruding portion do not overlap each other in the vertical direction.
[0006] In the preferred embodiment, the slider mold core is provided with a molding groove located at the longitudinal front end surface of the slider main body portion, the metal terminal is clamped in the molding groove and molded with the insulating body to form an electrical connector.
[0007] In the preferred embodiment, the injection mold comprises a male mold core, the slider mold core clamping the metal terminal is held on the male mold core, and the slider seat is assembled in the longitudinal direction on the slider mold core.
[0008] In the preferred embodiment, after the electrical connector is injection molded, the slider seat drives the slider mold core to separate from the male mold core in the longitudinal direction, and the slider mold core can be separated from the slider seat in the vertical direction.
[0009] In a preferred embodiment, the front end portion is provided with side wall surfaces on both sides in the lateral direction and receiving grooves recessed inwardly from the side wall surfaces, and the buckle mechanism is received in the receiving grooves.
[0010] In a preferred embodiment, the buckle mechanism is provided with a buckle portion received in the receiving groove and a spring between the buckle portion and the inner wall of the receiving groove.
[0011] In a preferred embodiment, the protruding portions are provided with guide surfaces on the rear side in the longitudinal direction, and the distance between the guide surfaces of the two protruding portions gradually decreases from the rear to the front in the longitudinal direction.
[0012] In a preferred embodiment, the buckle portion is provided with an inclined surface corresponding to the guide surface, and when the slider seat is assembled in the longitudinal direction, the inclined surface of the buckle portion abuts against the guide surface of the protruding portion, and the protruding portion pushes the buckle portion to retract into the receiving groove, at which time the spring is compressed and has a spring force.
[0013] In a preferred embodiment, when the slider seat is completely assembled in the slider core, the inclined surface is separated from the guide surface, the spring rebounds and pushes the buckle portion to protrude out of the side wall surface to be buckled to the protruding portion.
[0014] In a preferred embodiment, when the slider seat is completely assembled in the slider core, the slider seat and the slider core do not overlap each other in the vertical direction.
[0015] Compared with the prior art, the slider seat is assembled in the slider core in the longitudinal direction, the front end portion is located between the two extending portions, and the buckle mechanism is buckled to the protruding portion in the longitudinal direction; when the slider seat is completely assembled in the slider core, the buckle mechanism and the protruding portion do not overlap each other in the vertical direction, so that the slider core and the slider seat can be disassembled in the vertical direction, and the automatic mechanical hand can pick and place the slider core. BRIEF DESCRIPTION OF DRAWINGS
[0016] One or more embodiments are exemplarily illustrated by the pictures in the drawings corresponding thereto, and the exemplarily illustrations do not constitute a limitation on the embodiments, and the elements with the same reference numerals in the drawings represent similar elements, unless otherwise specified, and the drawings do not constitute a proportional limitation.
[0017] Figure 1 is a partially exploded schematic view of the injection mold of the utility model;
[0018] Figure 2 is Figure 1A perspective view of the injection mold shown in the process of clamping the metal terminal by the slider core;
[0019] Figure 3 is Figure 1 A front view of the injection mold shown before the assembly of the slider seat;
[0020] Figure 4 is Figure 3 A front view of the injection mold shown after the assembly of the slider seat;
[0021] Figure 5 is Figure 4 A front view of the injection mold shown after the injection molding;
[0022] Figure 6 is Figure 4 A partial sectional view of the injection mold shown after the assembly of the slider seat. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the embodiments of the present application will be described in detail below with reference to the drawings. However, those skilled in the art can understand that, in the embodiments of the present application, many technical details are proposed in order to make the readers better understand the present application. However, even without these technical details and various changes and modifications based on the following embodiments, the technical scheme claimed by the present application can be realized.
[0024] Please refer to Figures 1 to 6 As shown in the injection mold 100 related to the present application, which is used for injection molding a plurality of metal terminals 51 on an insulating body 52 to form an electrical connector 50. The injection mold 100 comprises a slider seat 10, a slider core 20 located at the longitudinal front end of the slider seat 10 and a male core 30. The slider core 20 clamps a plurality of metal terminals 51 and is fixed on the male core 30. At this time, the slider seat 10 can be assembled on the slider core 20 along the longitudinal direction.
[0025] Please refer to Figure 1 and Figure 6As shown, the slider seat 10 is provided with a slider seat body 11 extending in the lateral direction, a front end portion 12 protruding forward in the longitudinal direction from the slider seat body 11, and an elastic buckle mechanism 40 located in the front end portion 12. The front end portion 12 is provided with side wall surfaces 121 located on both sides in the lateral direction and accommodating grooves 122 recessed inward from the side wall surfaces 121, and the buckle mechanism 40 is accommodated in the accommodating grooves 122. The buckle mechanism 40 is provided with a buckle portion 41 partially accommodated in the accommodating grooves 122 and a spring 42 located between the buckle portion 41 and the inner wall of the accommodating grooves 122, and the spring 42 pushes the buckle portion 41 so that the buckle portion 41 of the buckle mechanism 40 at least partially protrudes out of the side wall surfaces 121 in the lateral direction of the front end portion 12.
[0026] The slider core 20 is provided with a slider body portion 21 extending in the lateral direction, two extension portions 22 extending rearward in the longitudinal direction from both sides of the slider body portion 21 in the lateral direction, and protruding portions 23 extending toward each other from the ends of the two extension portions 22. When the slider seat 10 is assembled in the longitudinal direction on the slider core 20, the front end portion 12 is located between the two extension portions 22, and the buckle portion 41 of the buckle mechanism 40 is buckled in the longitudinal direction on the protruding portions 23. And when the slider seat 10 is completely assembled on the slider core 20, the buckle mechanism 40 and the protruding portions 23 do not overlap each other in the vertical direction, and further, the slider seat 10 and the slider core 20 do not overlap each other in the vertical direction; the slider core 20 and the slider seat 10 are achieved in the vertical direction. Disassembly to achieve automatic mechanical hand picking and placing of the slider core 20.
[0027] Specifically, the protruding portions 23 are provided with guide surfaces 231 located on the longitudinal rear side, and the distance between the guide surfaces 231 of the two protruding portions 23 gradually decreases from rear to front in the longitudinal direction. The buckle portion 41 is provided with an inclined surface 411 corresponding to the guide surface 231, and when the slider seat 10 is assembled in the longitudinal direction toward the slider core 20, the inclined surface 411 of the buckle portion 41 abuts against the guide surface 231 of the protruding portion 23, and the protruding portion 23 pushes the buckle portion 41 to retract into the accommodating groove 122, at this time the spring 42 is compressed and has a rebounding force. When the slider seat 10 is completely assembled on the slider core 20, the inclined surface 411 is separated from the guide surface 231, the spring 42 rebounds and pushes the buckle portion 41 to protrude out of the side wall surface 121 to be buckled to the protruding portion 23.
[0028] In combination Figures 2 to 5As shown, the slider core 20 is provided with a forming groove 210 on the longitudinal front end surface of the slider main body 21, the metal terminal 51 is clamped in the forming groove 210 and the insulating body 52 is formed with the above-mentioned electric connector 50. Specifically, a plurality of the metal terminals 51 are clamped in the forming groove 210 of the slider core 20, and the slider core 20 clamped with the metal terminal 51 is held on the male core 30 by the automatic robot, and the positioning before injection molding is performed. Then, the slider seat 10 is assembled on the slider core 20 in the longitudinal direction under the action of the external oil cylinder, at this time, the buckle mechanism 40 and the protruding part 23 are buckled and interlocked in the longitudinal direction. And after the electric connector 50 is injection molded, the injection mold 100 is opened, the slider seat 10 drives the slider core 20 without metal terminal to separate from the male core 30 in the longitudinal direction, and the slider core 20 can be separated from the slider seat 10 in the vertical direction, so that the automatic robot takes it out.
[0029] In the utility model, when the slider seat 10 is assembled in the slider core 20 in the longitudinal direction, the front end part 12 is located between the two extension parts 22, and the buckle mechanism 40 is buckled in the protruding part 23 in the longitudinal direction. When the slider seat 10 is completely assembled in the slider core 20, the buckle mechanism 40 and the protruding part 23 do not overlap each other in the vertical direction, realizing the disassembly of the slider core 20 and the slider seat 10 in the vertical direction, so as to realize the automatic mechanical hand taking and placing the slider core 20.
[0030] Those skilled in the art can understand that the above-mentioned embodiments are specific embodiments for realizing the utility model, and in actual application, various changes can be made in form and details without departing from the spirit and scope of the utility model.
Claims
1. An injection mold for injection molding a plurality of metal terminals onto an insulating body, the injection mold comprising a slider seat and a slider core located at the longitudinal front end of the slider seat, the slider seat having a slider seat body extending laterally, a front end portion extending longitudinally forward from the slider seat body, and an elastic snap-fit mechanism located within the front end portion, the snap-fit mechanism at least partially protruding from the lateral sidewall of the front end portion, the slider core having a slider body portion extending laterally, two extension portions extending longitudinally rearward from both lateral sides of the slider body portion, and protrusion portions extending towards each other from the ends of the two extension portions; characterized in that: When the slider seat is assembled longitudinally to the slider mold core, the front end is located between the two extensions, and the snap-fit mechanism snaps onto the protrusion in the longitudinal direction; when the slider seat is fully assembled to the slider mold core, the snap-fit mechanism and the protrusion do not overlap each other in the vertical direction.
2. The injection mold according to claim 1, characterized in that: The slider core is provided with a forming groove on the longitudinal front end face of the slider body, and the metal terminal is clamped in the forming groove and formed with the insulating body to form an electrical connector.
3. The injection mold according to claim 2, characterized in that: The injection mold includes a male mold core, a slider mold core holding the metal terminal is fixed on the male mold core, and the slider seat is assembled to the slider mold core longitudinally.
4. The injection mold according to claim 3, characterized in that: After the electrical connector is injection molded, the slider seat drives the slider core to separate longitudinally from the male core, and the slider core can be separated vertically from the slider seat.
5. The injection mold according to claim 1, characterized in that: The front end is provided with side walls on both sides in the lateral direction and a receiving groove recessed inward from the side walls, and the buckling mechanism is accommodated in the receiving groove.
6. The injection mold according to claim 5, characterized in that: The latching mechanism includes a latching part partially accommodated within the receiving groove and a spring located between the latching part and the inner wall of the receiving groove.
7. The injection mold according to claim 6, characterized in that: The protrusion is provided with a guide surface located on the rear longitudinal side, and the distance between the guide surfaces of the two protrusions gradually decreases from rear to front along the longitudinal direction.
8. The injection mold according to claim 7, characterized in that: The latching part has an inclined surface corresponding to the guide surface. When the slider seat is assembled longitudinally toward the slider mold core, the inclined surface of the latching part abuts against the guide surface of the protrusion, and the protrusion pushes the latching part back into the receiving groove. At this time, the spring is compressed and has a rebound force.
9. The injection mold according to claim 8, characterized in that: When the slider seat is fully assembled into the slider mold core, the inclined surface separates from the guide surface, the spring rebounds and pushes the buckle portion out of the side wall surface to buckle to the protrusion portion.
10. The injection mold according to claim 1, characterized in that: When the slider seat is fully assembled with the slider mold core, the slider seat and the slider mold core do not overlap each other in the vertical direction.