Injection molding positioning device and injection molding equipment

By using the positioning pin assembly in conjunction with the positioning groove and positioning hole of the injection molded product, the problems of terminal deformation and misaligned pins during the injection molding process are solved, thus achieving precise positioning and high-quality processing of the injection molded product.

CN223942194UActive Publication Date: 2026-02-24TSP ELECTRONICS TECH(SHANGHAI) CO LTD
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Patent Information

Application Number
CN202422751727.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2026-02-24
Estimated Expiration
2034-11-11

AI Technical Summary

Technical Problem

During the injection molding process, terminals are prone to deformation and misalignment, rendering the injection-molded product unusable.

Method used

The positioning pin assembly is used in conjunction with the positioning groove and positioning hole of the injection molded product, and the driving force is provided by the driving mechanism to achieve precise positioning of the terminal.

Benefits of technology

To ensure that injection-molded products remain in the correct position during subsequent processing and assembly, thereby improving processing accuracy and assembly quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The embodiment of the utility model provides an injection molding positioning device and injection molding equipment, and belongs to the technical field of injection molding. The injection molding positioning device comprises a positioning needle assembly, one end of the positioning needle assembly abuts against an injection molding product and is used for fixing a terminal of the injection molding product, the injection molding product is provided with a first positioning groove, a second positioning groove and a first positioning hole, and the positioning needle assembly comprises a first positioning needle abutting against the first positioning groove; the second positioning pin is propped against the second positioning groove; the third positioning pin is propped against the first positioning hole; one end of the fixing seat is connected with the other end of the positioning needle assembly, and the fixing seat is used for placing the positioning needle assembly; and the driving mechanism is connected with the other end of the fixed seat and is used for providing driving force for the fixed seat. According to the utility model, the accurate positioning of the terminal of the injection molding product is realized, and the phenomena of deformation and pin inclination of the terminal in the injection molding process are avoided.
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Description

Technical Field

[0001] This utility model relates to the field of injection molding technology, specifically to an injection molding positioning device and injection molding equipment. Background Technology

[0002] Connectors, relays and other devices are equipped with different types of PCN terminals. Traditional manufacturing methods usually embed the terminals and then inject them into the mold. However, during the injection molding process, the terminals may be deformed, resulting in misaligned pins, which renders the injection-molded products unusable. Utility Model Content

[0003] The purpose of this invention is to provide an injection molding positioning device and injection molding equipment, which solves the problems of terminal deformation and misaligned pins during the injection molding process.

[0004] To achieve the above objectives, this utility model provides an injection molding positioning device, which includes:

[0005] A positioning pin assembly, one end of which abuts against an injection-molded product for fixing a terminal of the injection-molded product, wherein the injection-molded product has a first positioning groove, a second positioning groove, and a first positioning hole, and the positioning pin assembly includes:

[0006] The first positioning pin abuts against the first positioning groove;

[0007] The second positioning pin abuts against the second positioning groove;

[0008] The third positioning pin abuts against the first positioning hole;

[0009] A fixing base, one end of which is connected to the other end of the positioning pin assembly, is used to house the positioning pin assembly;

[0010] A drive mechanism, connected to the other end of the fixed base, is used to provide driving force to the fixed base.

[0011] Optionally, the fixing base includes:

[0012] A first connecting rod, wherein a first groove is provided on the first connecting rod;

[0013] A first connecting block is disposed within the first groove;

[0014] The second connecting block is connected to the end of the first connecting rod near the positioning pin assembly;

[0015] The third connecting block is connected to the end of the first connecting rod near the drive mechanism.

[0016] Optionally, the third connecting block has a second groove on the side near the driving mechanism.

[0017] Optionally, the drive mechanism includes:

[0018] The second connecting rod, one end of which is engaged with the second groove;

[0019] The core-pulling cylinder is connected to the other end of the second connecting rod.

[0020] On the other hand, this utility model provides an injection molding equipment, characterized in that the injection molding equipment includes an injection molding equipment body and an injection positioning device as described in any of the above, the injection positioning device comprising:

[0021] A positioning pin assembly, one end of which abuts against an injection-molded product for fixing a terminal of the injection-molded product, wherein the injection-molded product has a first positioning groove, a second positioning groove, and a first positioning hole, and the positioning pin assembly includes:

[0022] The first positioning pin abuts against the first positioning groove;

[0023] The second positioning pin abuts against the second positioning groove;

[0024] The third positioning pin abuts against the first positioning hole;

[0025] A fixing base, one end of which is connected to the other end of the positioning pin assembly, is used to house the positioning pin assembly;

[0026] A drive mechanism, connected to the other end of the fixed base, is used to provide driving force to the fixed base.

[0027] Optionally, the fixing base includes:

[0028] A first connecting rod, wherein a first groove is provided on the first connecting rod;

[0029] A first connecting block is disposed within the first groove;

[0030] The second connecting block is connected to one end of the connecting rod near the positioning pin assembly;

[0031] The third connecting block is connected to the end of the connecting rod near the drive mechanism.

[0032] Optionally, the third connecting block has a second groove on the side near the driving mechanism.

[0033] Optionally, the drive mechanism includes:

[0034] The second connecting rod, one end of which is engaged with the second groove;

[0035] The core-pulling cylinder is connected to the other end of the second connecting rod.

[0036] Through the above technical solution, this utility model provides an injection molding positioning device and injection molding equipment. The injection molding positioning device includes a positioning pin assembly, a fixing seat, and a driving mechanism. One end of the positioning pin assembly abuts against the terminal of the injection molded product to fix the injection molded product. One end of the fixing seat is connected to the other end of the positioning pin assembly to house the positioning pin assembly. The driving mechanism is connected to the other end of the fixing seat to provide driving force to the fixing seat. Compared with the prior art, this utility model achieves precise positioning of the injection molded product's terminal by cooperating with the positioning pin and the positioning groove and positioning hole on the injection molded product, avoiding deformation and misalignment of the terminal during the injection molding process. This precise positioning ensures that the injection molded product maintains the correct position during subsequent processing or assembly, thereby improving processing accuracy and assembly quality.

[0037] Other features and advantages of this utility model embodiment will be described in detail in the following detailed description section. Attached Figure Description

[0038] The accompanying drawings are provided to further illustrate the embodiments of the present invention and form part of the specification. They are used together with the following detailed description to explain the embodiments of the present invention, but do not constitute a limitation thereof. In the drawings:

[0039] Figure 1 This is a schematic diagram of an injection molding positioning device according to one embodiment of the present invention;

[0040] Figure 2 This is a schematic diagram of an injection-molded product according to one embodiment of the present invention;

[0041] Figure 3 This is a schematic diagram of an injection-molded product according to one embodiment of the present invention;

[0042] Figure 4 This is a schematic diagram of a fixing base according to one embodiment of the present utility model.

[0043] Explanation of reference numerals in the attached figures

[0044] Detailed Implementation

[0045] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit the scope of the present invention.

[0046] In this embodiment of the utility model, unless otherwise stated, directional terms such as "upper," "lower," "top," and "bottom" are generally used to describe the relative positional relationships of the components in relation to the directions shown in the accompanying drawings or in relation to the vertical, perpendicular, or gravitational directions.

[0047] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are 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 with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0048] like Figure 1 , Figure 2 and Figure 3 As shown, the injection molding positioning device includes a positioning pin assembly 1, a fixing base 3, and a driving mechanism 4. One end of the positioning pin assembly 1 abuts against the injection-molded product to fix the terminal 2 of the injection-molded product. One end of the fixing base 3 is connected to the other end of the positioning pin assembly 1 to house the positioning pin assembly 1. The driving mechanism 4 is connected to the other end of the fixing base 3 to provide driving force to the fixing base 3. Furthermore, to ensure that the positioning pin assembly 1 can fully fix the terminal 2 of the injection-molded product, the terminal 2 is provided with a first positioning groove 21, a second positioning groove 22, and a first positioning hole 23. The positioning pin assembly 1 includes a first positioning pin 11, a second positioning pin 12, and a third positioning pin 13. The first positioning pin 11 abuts against the first positioning groove 21, the second positioning pin 12 abuts against the second positioning groove 22, and the third positioning pin 13 abuts against the first positioning hole 23. Through the cooperation of the positioning pins and the positioning grooves, precise positioning of the terminal 2 of the injection-molded product is achieved, avoiding deformation or misalignment of the terminal 2 during the injection molding process. This precise positioning ensures that the injection-molded product maintains the correct position during subsequent processing or assembly, thereby improving processing accuracy and assembly quality. Furthermore, the two positioning pin assemblies 2 can operate simultaneously, increasing work efficiency.

[0049] In this embodiment, the specific structure of the fixing base 3, while satisfying the requirements of the fixing and positioning pin assembly 1, can be various types known to those skilled in the art. In one example of this utility model, such as... Figure 4As shown, the fixing base 3 may include a first connecting rod 31, a first connecting block 32, a second connecting block 33, and a third connecting block 34. The first connecting rod 31 is provided with a first groove, the first connecting block 32 is disposed in the first groove, the second connecting block 33 is connected to the end of the first connecting rod 31 near the positioning pin assembly 1, and the third connecting block 34 is connected to the end of the first connecting rod 31 near the drive mechanism 4.

[0050] In this embodiment, the connection method between the drive mechanism 4 and the fixed base 3 can be various that are known to those skilled in the art. In order to facilitate the disassembly and installation of the drive mechanism 4, in one example of this utility model, the drive mechanism 4 and the fixed base 3 are snapped together. Specifically, a second groove is provided on the side of the third connecting block 34 near the drive mechanism 4, and the drive mechanism 4 and the third connecting block 34 are snapped together.

[0051] In this embodiment, the structure of the drive mechanism 4 can be various types known to those skilled in the art. In one example of this utility model, the drive mechanism 4 includes a second connecting rod 41 and a core-pulling cylinder 42. One end of the second connecting rod 41 is engaged with a second groove, and the core-pulling cylinder 42 is connected to the other end of the second connecting rod 41. After the core is inserted into the mold using the core-pulling mechanism, the drive mechanism 4 drives the positioning pin to extend and press against the terminal 2 before injection molding begins. During sampling and debugging, the product molding to 95% of the injection position is determined. The position control function is turned on in the core-pulling auxiliary setting, and the injection position to 95% of the product is set. This product has 11mm of injection position covering 95% of the product structure. The core is withdrawn when the product structure is about 95% of the injection molding is completed. After the core is withdrawn, injection continues to complete all molding processes.

[0052] On the other hand, this utility model provides an injection molding equipment, which includes an injection molding equipment body and any of the above-mentioned injection positioning devices. The injection positioning device includes a positioning pin assembly 1, a fixing seat 3, and a driving mechanism 4. One end of the positioning pin assembly 1 abuts against the injection-molded product to fix the terminal 2 of the injection-molded product. One end of the fixing seat 3 is connected to the other end of the positioning pin assembly 1 to house the positioning pin assembly 1. The driving mechanism 4 is connected to the other end of the fixing seat 3 to provide driving force to the fixing seat 3. Further, in order to ensure that the positioning pin assembly 1 can fully fix the terminal 2 of the injection-molded product, the terminal 2 is provided with a first positioning groove 21, a second positioning groove 22, and a first positioning hole 23. The positioning pin assembly 1 includes a first positioning pin 11, a second positioning pin 12, and a third positioning pin 13. The first positioning pin 11 abuts against the first positioning groove 21, the second positioning pin 12 abuts against the second positioning groove 22, and the third positioning pin 13 abuts against the first positioning hole 23. By cooperating with the positioning pins and positioning grooves, precise positioning of terminal 2 of the injection-molded product is achieved, avoiding deformation or misalignment of terminal 2 during the injection molding process. This precise positioning ensures that the injection-molded product maintains the correct position during subsequent processing or assembly, thereby improving processing accuracy and assembly quality. Furthermore, the two positioning pin assemblies 2 can work simultaneously, increasing work efficiency.

[0053] In this embodiment, the specific structure of the fixing base 3, while satisfying the requirements of the fixing and positioning pin assembly 1, can be various types known to those skilled in the art. In one example of this utility model, such as... Figure 4 As shown, the fixing base 3 may include a first connecting rod 31, a first connecting block 32, a second connecting block 33, and a third connecting block 34. The first connecting rod 31 is provided with a first groove, the first connecting block 32 is disposed in the first groove, the second connecting block 33 is connected to the end of the first connecting rod 31 near the positioning pin assembly 1, and the third connecting block 34 is connected to the end of the first connecting rod 31 near the drive mechanism 4.

[0054] In this embodiment, the connection method between the drive mechanism 4 and the fixed base 3 can be various that are known to those skilled in the art. In order to facilitate the disassembly and installation of the drive mechanism 4, in one example of this utility model, the drive mechanism 4 and the fixed base 3 are snapped together. Specifically, a second groove is provided on the side of the third connecting block 34 near the drive mechanism 4, and the drive mechanism 4 and the third connecting block 34 are snapped together.

[0055] In this embodiment, the structure of the drive mechanism 4 can be various types known to those skilled in the art. In one example of this utility model, the drive mechanism 4 includes a second connecting rod 41 and a core-pulling cylinder 42. One end of the second connecting rod 41 is engaged with a second groove, and the core-pulling cylinder 42 is connected to the other end of the second connecting rod 41. After the core is inserted into the mold using the core-pulling mechanism, the drive mechanism 4 drives the positioning pin to extend and press against the terminal 2 before injection molding begins. During sampling and debugging, the product molding to 95% of the injection position is determined. The position control function is turned on in the core-pulling auxiliary setting, and the injection position to 95% of the product is set. This product has 11mm of injection position covering 95% of the product structure. The core is withdrawn when the product structure is about 95% of the injection molding is completed. After the core is withdrawn, injection continues to complete all molding processes.

[0056] Through the above technical solution, this utility model provides an injection molding positioning device and injection molding equipment. The injection molding positioning device includes a positioning pin assembly, a fixing seat, and a driving mechanism. One end of the positioning pin assembly abuts against the terminal of the injection molded product to fix the injection molded product. One end of the fixing seat is connected to the other end of the positioning pin assembly to house the positioning pin assembly. The driving mechanism is connected to the other end of the fixing seat to provide driving force to the fixing seat. Compared with the prior art, this utility model achieves precise positioning of the injection molded product's terminal by cooperating with the positioning pin and the positioning groove and positioning hole on the injection molded product, avoiding deformation and misalignment of the terminal during the injection molding process. This precise positioning ensures that the injection molded product maintains the correct position during subsequent processing or assembly, thereby improving processing accuracy and assembly quality.

[0057] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details of the above embodiments. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention, and these simple modifications all fall within the protection scope of the present invention. It should also be noted that the various specific technical features described in the above embodiments can be combined in any suitable manner without contradiction. To avoid unnecessary repetition, the present invention will not further describe the various possible combinations.

[0058] Furthermore, various different embodiments of this utility model can be combined in any way, as long as they do not violate the spirit of this utility model, they should also be regarded as the content disclosed by this utility model.

Claims

1. An injection molding positioning device, characterized in that, The injection molding positioning device includes: A positioning pin assembly, one end of which abuts against an injection-molded product for fixing a terminal of the injection-molded product, wherein the injection-molded product has a first positioning groove, a second positioning groove, and a first positioning hole, and the positioning pin assembly includes: The first positioning pin abuts against the first positioning groove; The second positioning pin abuts against the second positioning groove; The third positioning pin abuts against the first positioning hole; A fixing base, one end of which is connected to the other end of the positioning pin assembly, is used to house the positioning pin assembly; A drive mechanism, connected to the other end of the fixed base, is used to provide driving force to the fixed base.

2. The injection molding positioning device according to claim 1, characterized in that, The fixing base includes: A first connecting rod, wherein a first groove is provided on the first connecting rod; A first connecting block is disposed within the first groove; The second connecting block is connected to the end of the first connecting rod near the positioning pin assembly; The third connecting block is connected to the end of the first connecting rod near the drive mechanism.

3. The injection molding positioning device according to claim 2, characterized in that, The third connecting block has a second groove on the side near the driving mechanism.

4. The injection molding positioning device according to claim 3, characterized in that, The drive mechanism includes: The second connecting rod, one end of which is engaged with the second groove; The core-pulling cylinder is connected to the other end of the second connecting rod.

5. An injection molding machine, characterized in that, The injection molding equipment includes an injection molding equipment body and an injection positioning device as described in any one of claims 1 to 4, wherein the injection positioning device includes: A positioning pin assembly, one end of which abuts against an injection-molded product for fixing a terminal of the injection-molded product, wherein the injection-molded product has a first positioning groove, a second positioning groove, and a first positioning hole, and the positioning pin assembly includes: The first positioning pin abuts against the first positioning groove; The second positioning pin abuts against the second positioning groove; The third positioning pin abuts against the first positioning hole; A fixing base, one end of which is connected to the other end of the positioning pin assembly, is used to house the positioning pin assembly; A drive mechanism, connected to the other end of the fixed base, is used to provide driving force to the fixed base.

6. The injection molding equipment according to claim 5, characterized in that, The fixing base includes: A first connecting rod, wherein a first groove is provided on the first connecting rod; A first connecting block is disposed within the first groove; The second connecting block is connected to one end of the connecting rod near the positioning pin assembly; The third connecting block is connected to the end of the connecting rod near the drive mechanism.

7. The injection molding equipment according to claim 6, characterized in that, The third connecting block has a second groove on the side near the driving mechanism.

8. The injection molding equipment according to claim 7, characterized in that, The drive mechanism includes: The second connecting rod, one end of which is engaged with the second groove; The core-pulling cylinder is connected to the other end of the second connecting rod.