Automatic tool for improving insert injection molding stability
By designing an automated tooling that includes a main fixing plate, a feeding rod, a push rod, a cylinder, and a proximity sensor, the problem of high-precision positioning in insert injection molding was solved, realizing a low-cost and stable insert injection molding process, and improving production efficiency and product quality.
Patent Information
- Application Number
- CN202423114193.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-17
AI Technical Summary
Existing technologies make it difficult to achieve high-precision positioning during insert injection molding, especially accurate positioning of copper nuts, resulting in low yield and unstable quality. At the same time, advanced monitoring equipment increases initial investment and maintenance costs.
An automated tooling was designed, including a main fixing plate, a feeding rod, a push rod, a cylinder, a cover plate, a positioning pin, and a proximity sensor. The tooling uses a robotic arm to automatically embed inserts and uses the proximity sensor to detect the mold position, ensuring accurate positioning of the inserts.
It improves the stability and finished product quality of insert injection molding, reduces equipment costs and maintenance complexity, and increases production efficiency and product consistency.
Smart Images
Figure CN223657475U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of automatic tooling for improving insert injection molding stability, belong to injection molding equipment mechanical field. BACKGROUND
[0002] Insert injection molding process automation plays a vital role in modern manufacturing, especially with the promotion of Industry 4.0 and intelligent manufacturing concept, it not only improves production efficiency, but also enhances the consistency and reliability of product quality. For injection molding manufacturing enterprises, the balance between pursuing higher production efficiency and ensuring product quality is an eternal theme. Different types of inserts pose different challenges to the injection molding process, especially when it comes to inserts like copper nuts that require high-precision positioning, the problem becomes more complex.
[0003] As a kind of insert, copper nut is usually used in applications that require high-strength connections, such as automotive parts, electronic product housings, etc. During the process of embedding injection molding, ensuring that the nut is accurately placed at the bottom of the mold cavity is one of the key steps. Traditional manual placement methods or simple automated equipment cannot meet the high-precision requirements, which may result in low yield, unstable quality, and other problems. Therefore, in order to ensure the accuracy of the nut position, some manufacturers choose to use mold monitoring systems. Such systems can monitor the conditions inside the mold in real time through sensors, ensuring that the nut is in the correct position before each injection, thereby improving the quality of the finished product.
[0004] However, such a solution is not without drawbacks. First of all, the introduction of mold monitoring systems increases the initial investment cost of the project, which may be a significant burden for small and medium-sized enterprises. Secondly, these advanced monitoring devices often come with a complex installation and debugging process, as well as subsequent maintenance requirements, which not only increase the technical difficulty, but also put higher demands on the enterprise's technical support team. In the long run, maintenance costs and technical support costs may gradually accumulate and become an important consideration factor in the operation of the enterprise. UTILITY MODEL CONTENT
[0005] The utility model aims at: in view of the problems existing in the prior art, a kind of automatic tooling for improving insert injection molding stability is presented.
[0006] In order to achieve the above purpose, a kind of automatic tooling for improving insert injection molding stability of the utility model is installed on manipulator, and is used for embedding injection insert of insert nut into the mold cavity of mold, including main fixed plate, the main fixed plate is fixed on manipulator;Material placing rod is fixed on the main fixed plate;Cover plate and auxiliary fixed plate are mutually buckled to form at least one cylindrical cavity;
[0007] The tail diameter of the push rod is larger than the diameter of the rod body, the shape and size of the tail of the push rod are matched with the cylindrical cavity, and the shape and size of the rod body of the push rod are matched with the material placing rod, so that the tail of the push rod can axially reciprocate in the cylindrical cavity and the rod body of the push rod can axially reciprocate in the material placing rod.
[0008] The piston rod of the cylinder is connected with the main fixing plate, and the cylinder body of the cylinder is fixedly connected with the push rod.
[0009] The preferred scheme of the utility model is:
[0010] Further, the material placing rod is a hollow structure, and the size of the hollow structure is slightly larger than that of the insert, so that the insert can be placed.
[0011] Further, the push rod and the cylinder body are connected through the auxiliary fixing plate.
[0012] Further, a plurality of counterbores are formed on the main fixing plate, and the material placing rod is fixed in the counterbores.
[0013] Further, the main fixing plate is provided with a proximity sensor on the side corresponding to the mold, the proximity sensor is in communication connection with the manipulator, and is used for detecting the distance between the tooling and the mold and sending a movement signal to the manipulator.
[0014] Further, the main fixing plate is provided with a positioning pin on the side corresponding to the mold, and the positioning pin is matched with a specific groove of the mold.
[0015] The utility model has the advantages of simple structure, low cost, high stability and high reliability, and greatly improves the production efficiency and quality of products. BRIEF DESCRIPTION OF DRAWINGS
[0016] The utility model will be further described below with reference to the drawings.
[0017] Figure 1 It is a working surface schematic view of the utility model;
[0018] Figure 2 It is a side view of the utility model;
[0019] Figure 3 It is a sectional view of the utility model.
[0020] In the drawing: 1, main fixing plate; 2, material placing rod; 3, push rod; 4, cylinder; 5, cover plate; 6, positioning pin; 7, proximity sensor; 8, spring; 9, auxiliary fixing plate. DETAILED DESCRIPTION EMBODIMENT
[0021] An automatic tool for improving stability of insert injection molding, comprising a main fixed plate 1, a material placing rod 2, a push rod 3, a cylinder 4, a cover plate 5, a positioning pin 6, a proximity sensor 7, a spring 8, and an auxiliary fixed plate 9; the main fixed plate 1 is fixed on a mechanical hand; a plurality of groups of counterbores are processed on the main fixed plate 1, and the counterbores are used for fixing the material placing rod 2; the push rod 3 is connected with the cylinder 4 through the auxiliary fixed plate 9; the push rod 3 is concentrically matched with the material placing rod 2 and can move axially; the cylinder 4 drives the push rod 3 to move axially in the material placing rod 2; a cavity is formed between the cover plate 5 and the auxiliary fixed plate 9 at the rear end of the push rod 3, and the push rod 3 can move axially in the cavity; the positioning pin 6 is connected with the main fixed plate 1; the material placing rod 2 is in a hollow state, and an insert can be placed into the material placing rod 2, and the hollow size is slightly larger than that of the insert, so that the insert can be smoothly placed into the material placing rod 2; when the cylinder 4 retreats, the push rod 3 moves forward to push the insert out of the material placing rod 2; the proximity sensor 7 is connected with the main fixed plate 1; when the insert needs to be placed into the material placing rod 2, the push rod 3 needs to be reset.
[0022] A plurality of groups of counterbores are processed on the main fixed plate 1, and the counterbores are used for fixing the material placing rod 2. The push rod 3 is connected with the cylinder 4 through the auxiliary fixed plate 9. The push rod 3 is concentrically matched with the material placing rod 2 and can move axially; the cylinder 4 drives the push rod 3 to move axially in the material placing rod 2; a cavity is formed between the cover plate 5 and the auxiliary fixed plate 9 at the rear end of the push rod 3, and the push rod 3 can move axially in the cavity; the positioning pin 6 is connected with the main fixed plate 1; the material placing rod 2 is in a hollow state, and an insert can be placed into the material placing rod 2, and the hollow size is slightly larger than that of the insert, so that the insert can be smoothly placed into the material placing rod 2; when the cylinder 4 retreats, the push rod 3 moves forward to push the insert out of the material placing rod 2; the proximity sensor 7 is connected with the main fixed plate 1; when the insert needs to be placed into the material placing rod 2, the push rod 3 needs to be reset.
[0023] The embodiment provides an automatic tool for improving stability of insert injection molding, which comprises a main fixing plate 1, a material placing rod 2, a push rod 3, a cylinder 4, a cover plate 5, a positioning pin 6, a proximity sensor 7, a spring 8 and an auxiliary fixing plate 9; the main fixing plate 1 is fixed on a mechanical hand; a plurality of groups of counterbores are processed on the main fixing plate 1, and the counterbores are used for fixing the material placing rod 2; the push rod 3 is connected with the cylinder 4 through the auxiliary fixing plate 9; the push rod 3 is concentrically matched with the material placing rod 2 and can move in an axial direction; the cylinder 4 drives the push rod 3 to move in an axial direction in the material placing rod 2; a cavity is formed between the cover plate 5 and the auxiliary fixing plate 9 at the rear end of the push rod 3; the spring 8 is arranged in the cavity and abuts against the push rod 3, and the push rod 3 can move in an axial direction in the cavity, so that the push rod 3 plays a role of compensating a gap and ensures that the insert is pushed into the bottom of a mold cavity; the positioning pin 6 is connected with the main fixing plate 1; the material placing rod 2 is in a hollow state, the insert can be placed in the material placing rod 2, and the hollow size is slightly larger than the insert, so that the insert can be smoothly placed in the material placing rod 2; when the cylinder 4 retreats, the push rod 3 moves forward and pushes the insert out of the material placing rod 2; the proximity sensor 7 is connected with the main fixing plate 1; when the insert needs to be placed in the material placing rod 2, the push rod 3 needs to be reset.
[0024] The operation steps of the utility model are as follows:
[0025] The tool is reset, and the push rod 3 returns to an initial state;
[0026] The insert is placed in the material placing rod 2;
[0027] The mechanical hand is started, the push rod 3 pushes the insert forward and into the mold cavity;
[0028] The proximity sensor 7 detects whether the distance of the mold is qualified; if not, the mechanical hand alarms and stops running; if yes, the next step is executed.
[0029] The push rod is reset, and waits for the next start.
[0030] In addition to the above embodiment, the utility model can also have other implementation manners. Any technical scheme formed by equivalent replacement or equivalent transformation falls within the protection requirement of the utility model.
Claims
1. An automated tooling for improving the stability of insert injection molding, mounted on a robotic arm, for automatically embedding injection molding inserts of insert nuts into the mold cavity, characterized in that: The main fixed plate (1) is fixed on the mechanical hand; the material placing rod (2) is fixed on the main fixed plate (1); the cover plate (5) and the auxiliary fixed plate (9) are mutually buckled to form at least one cylindrical cavity; The tail diameter of the push rod (3) is larger than the diameter of the rod body, the shape and size of the tail of the push rod (3) are matched with the cylindrical cavity; the shape and size of the rod body of the push rod (3) are matched with the material placing rod (2); the spring (8) is arranged between the tail of the push rod (3) and the cylindrical cavity; The piston rod of the air cylinder (4) is connected with the main fixed plate (1), the cylinder body of the air cylinder (4) is fixedly connected with the push rod (3), and the expansion and contraction of the piston rod drives the push rod (3) to axially reciprocate in the material placing rod (2).
2. The automated tooling to improve stability of insert injection molding of claim 1, wherein: The material placing rod (2) is a hollow structure, and the size of the hollow structure is slightly larger than that of the embedded part, so that the embedded part can be placed.
3. The automated tooling to improve stability of insert injection molding of claim 1, wherein: The push rod (3) and the cylinder body of the air cylinder (4) are connected through the auxiliary fixed plate (9).
4. The automated tooling to enhance the stability of the insert injection molding of claim 1, wherein: A plurality of groups of counterbores are processed on the main fixed plate (1), and the material placing rod (2) is fixed in the counterbores.
5. The automated tooling to enhance the stability of the overmolding insert as claimed in claim 1, wherein: The main fixed plate (1) is provided with a proximity sensor (7) on the side corresponding to the mold, the proximity sensor (7) is in communication connection with the mechanical hand, and is used for detecting the distance between the tooling and the mold and sending a movement signal to the mechanical hand.
6. The automated tooling to enhance the stability of the overmolding insert as claimed in claim 1, wherein: The main fixed plate (1) is provided with a positioning pin (6) on the side corresponding to the mold, and the positioning pin (6) is matched with a specific groove of the mold.