Automatic springback reset riveting point mechanism for connector

Abstract

The utility model relates to an automatic springback reset riveting point mechanism for a connector, which comprises a riveting press main body and a riveting point tool arranged on the riveting press main body, and the riveting point tool comprises an outer cover, an inner core, a riveting needle, a connector positioning piece, a lifting reset spring, a horizontal reset spring and a limiting screw. The riveting mechanism is specially used for a small connector, the connector can be quickly assembled according to the size and the model of a product, riveting points are uniform and reliable, positioning is accurate, the spring has an automatic reset function, and the riveting efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of small connector processing, and relates to an automatic spring-back reset riveting point mechanism for connectors. Background Art

[0002] In the assembly process of small connectors, in order to ensure the axial force between the housing and the insulator, a riveting point process with relatively high reliability is generally adopted. The traditional riveting point method is single riveting pressure, which requires rotating the riveting point multiple times, with low efficiency and poor consistency, and it is difficult to control the size.

[0003] Therefore, there is an urgent need to develop a riveting point tooling and equipment with automatic spring-back reset to solve the above problems. Summary of the Utility Model

[0004] Aiming at the deficiencies in the prior art, the utility model provides an automatic spring-back reset riveting point mechanism for connectors to solve problems such as how to quickly rivet points, improve efficiency, and ensure consistency.

[0005] The utility model is realized by the following technical solutions:

[0006] The utility model provides an automatic spring-back reset riveting point mechanism for connectors, which includes a riveting press main body and a riveting point tooling arranged on the riveting press main body. The riveting point tooling includes an outer cover, an inner core, a riveting needle, a connector positioning part, a lifting and reset spring, a horizontal reset spring and a limit screw. The outer cover is arranged on the riveting press main body. A guiding cavity perpendicular to the horizontal plane and a riveting cavity are opened in the outer cover. The guiding cavity is connected with the riveting cavity. The riveting cavity penetrates through the top end of the outer cover. The inner core is arranged in the guiding cavity and the riveting cavity. The bottom end of the inner core is elastically connected with the bottom end of the guiding cavity through the lifting and reset spring. A limit groove is opened on one side of the inner core. The limit screw is fixed on one side of the outer cover, and one end of the limit screw extends into the limit groove. The inner core can move up and down along the guiding cavity and the riveting cavity and the lifting range is limited by the limit screw. A positioning slot is opened at the center of the top end of the inner core. The connector positioning part is fixed in the positioning slot. At least two riveting channels parallel to the horizontal plane are evenly opened on the side part of the top end of the inner core. The riveting channels are connected with the positioning slot. The riveting needle is arranged in the riveting channel. The riveting needle is elastically connected with the riveting channel through the horizontal reset spring. One end of the riveting needle extends into the positioning slot, and the other end abuts against the inner wall of the riveting cavity. The inner wall of the riveting cavity has a conical guiding groove with a diameter gradually decreasing from top to bottom. The riveting needle can move along the conical guiding groove and realize expansion and contraction.

[0007] In order to facilitate the disassembly and assembly of the riveting point tooling, a base is fixed on the riveting press main body. A positioning seat is arranged at the top end of the base. A positioning jack is opened at the bottom end of the outer cover. The outer cover is detachably arranged on the base through the positioning jack.

[0008] For the convenience of disassembling and assembling the limit screw and the inner core, a threaded hole communicating with the guiding cavity is formed on one side of the outer cover, and the limit screw is threadedly connected to the threaded hole.

[0009] For the convenience of guiding the riveting needle, the riveting cavity includes a first riveting cavity, a second riveting cavity and a third riveting cavity that are connected in sequence from top to bottom. The diameter of the second riveting cavity gradually decreases from top to bottom. The diameter of the first riveting cavity is the same as the top diameter of the second riveting cavity. The diameter of the third riveting cavity is the same as the bottom diameter of the second riveting cavity, and the diameter of the third riveting cavity is larger than the diameter of the guiding cavity.

[0010] For the convenience of positioning the connector, the positioning notch includes a first positioning notch, a second positioning notch and a third positioning notch that are connected in sequence from top to bottom. The connector positioning member is fixed in the third positioning notch, and there is a gap between the connector positioning member and the third positioning notch. One end of the riveting needle extends into the second positioning notch.

[0011] The beneficial effects of the present utility model are as follows: The present utility model is a riveting point mechanism specifically for small connectors, which can quickly assemble and connect the connectors according to the product size and model. The riveting points are uniform and reliable, the positioning is accurate, and it has an automatic spring reset function, greatly improving the efficiency of riveting points. Description of the Drawings

[0012] Figure 1 is a schematic structural view of the automatic rebound and reset riveting point mechanism for connectors of the present utility model;

[0013] Figure 2 is a schematic structural view of the riveting point tooling of the present utility model. Detailed Embodiments

[0014] The following elaborates on the preferred embodiments of the present utility model in conjunction with the drawings, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present utility model.

[0015] As Figure 1 、 Figure 2 shown, an automatic rebound and reset riveting point mechanism for connectors includes a riveting press main body and a riveting point tooling arranged on the riveting press main body;

[0016] Specifically, the riveting press main body includes a frame 1 and a riveting head 2. The riveting head 2 is fastened by screws and can move up and down;

[0017] Specifically, the riveting point tooling includes an outer cover 4, an inner core 9, a riveting needle 8, a connector positioning member 7, a lifting and reset spring 10, a horizontal reset spring 3, and a limit screw 5. A base 6 is fixed on the main body of the riveting press. The top end of the base 6 has a positioning seat. The bottom end of the outer cover 4 is provided with a positioning jack, and the outer cover 4 is detachably arranged on the base 6 through the positioning jack, which facilitates the disassembly, assembly, and positioning of the entire tooling. A guiding cavity 4-2 perpendicular to the horizontal plane and a riveting cavity 4-1 are provided inside the outer cover 4. The guiding cavity 4-2 is connected to the riveting cavity 4-1. The riveting cavity 4-1 penetrates through the top end of the outer cover 4. The inner core 9 is arranged in the guiding cavity 4-2 and the riveting cavity 4-1. The bottom end of the inner core 9 is elastically connected to the bottom end of the guiding cavity 4-2 through the lifting and reset spring 10. A limit groove 9-1 is provided on one side of the inner core 9. A threaded hole communicating with the guiding cavity 4-2 is provided on one side of the outer cover 4. The limit screw 5 is threadedly connected to the threaded hole, and one end of the limit screw 5 extends into the limit groove 9-1. The inner core 9 can move up and down along the guiding cavity 4-2 and the riveting cavity 4-1, and the lifting range is limited by the limit screw 5. A positioning notch 9-2 is provided at the center of the top end of the inner core 9. The positioning notch 9-2 includes a first positioning notch, a second positioning notch, and a third positioning notch that are connected in sequence from top to bottom. The connector positioning member 7 is fixed in the third positioning notch, and there is a gap between the connector positioning member 7 and the third positioning notch. At least two riveting channels parallel to the horizontal plane are evenly provided on the side part of the top end of the inner core 9. The number of riveting channels can be set to 2-4 according to the required number of riveting holes. The riveting channels are connected to the positioning notch 9-2. The riveting needle 8 is arranged in the riveting channels. The riveting needle 8 is elastically connected to the riveting channels through the horizontal reset spring 3. The right end of the riveting needle 8 extends into the second positioning notch, and the left end abuts against the inner wall of the riveting cavity 4-1. The inner wall of the riveting cavity 4-1 has a conical guiding groove with a diameter gradually decreasing from top to bottom. The riveting cavity 4-1 includes a first riveting cavity, a second riveting cavity, and a third riveting cavity that are connected in sequence from top to bottom. The diameter of the second riveting cavity gradually decreases from top to bottom. The diameter of the first riveting cavity is the same as the top diameter of the second riveting cavity. The diameter of the third riveting cavity is the same as the bottom diameter of the second riveting cavity, and the diameter of the third riveting cavity is larger than the diameter of the guiding cavity.

[0018] During processing, the connector is placed into the positioning notch 9-2 for precise positioning. The top of the inner core 9 is squeezed by the descending riveting head 2, causing the inner core 9 to descend. Then, the riveting needle 8 can move inward along the riveting cavity 4-1, and multiple points can be riveted simultaneously. When the riveting head 2 is released, the lifting and reset spring 10 resets the inner core 9, and the horizontal reset spring 3 resets the riveting needle 8. Moreover, the limit screw 5 holds the inner core 9 in place without falling off.

[0019] The utility model belongs to a riveting point device for small connectors, which can quickly connect connectors according to the product size and model. Only different inner cores need to be replaced (the inner cores are provided with different positioning slots according to the products). The riveting points are uniform and reliable, the positioning is accurate, and the spring has an automatic reset function, which greatly improves the efficiency of riveting points.

[0020] Each device (component without specific structure description) selected in this application is a general standard component or a component known to those skilled in the art. Its structure and principle can be known by technicians through technical manuals or obtained through conventional experimental methods.

[0021] In the description of the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0022] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "between", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0023] Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0024] Taking the above ideal embodiment of the present utility model as an inspiration, through the above description, relevant staff can completely make various changes and modifications without departing from the technical idea of this utility model. The technical scope of this utility model is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. An automatic rebound and reset riveting point mechanism for a connector, comprising a riveting press body and a riveting point tooling mounted on the riveting press body, characterized in that: The riveting point tooling includes an outer cover, an inner core, a rivet pin, a connector positioning part, a lifting reset spring, a horizontal reset spring and a limit screw. The outer cover is arranged on the riveting press body, and a guide cavity and a riveting cavity perpendicular to the horizontal plane are provided in the outer cover. The guide cavity is connected to the riveting cavity, and the riveting cavity passes through the top of the outer cover. The inner core is arranged in the guide cavity and the riveting cavity. The bottom end of the inner core is elastically connected to the bottom end of the guide cavity through the lifting reset spring. A limit slot is provided on one side of the inner core. The limit screw is fixed on one side of the outer cover, and one end of the limit screw extends into the limit slot. The inner core can rise and fall along the guide cavity and the riveting cavity. The inner core is lowered and the lifting range is limited by a limit screw. A positioning notch is provided at the center of the top end of the inner core. A connector positioning piece is fixed in the positioning notch. At least two riveting channels parallel to the horizontal plane are evenly provided on the side of the top end of the inner core. The riveting channels are connected to the positioning notch. The rivet pin is arranged in the riveting channel. The rivet pin is elastically connected to the riveting channel through a horizontal return spring. One end of the rivet pin extends into the positioning notch, and the other end abuts against the inner wall of the riveting cavity. The inner wall of the riveting cavity has a tapered guide groove with a diameter gradually decreasing from top to bottom. The rivet pin can move along the tapered guide groove and realize telescoping.

2. The automatic rebound reset riveting point mechanism for a connector according to claim 1, characterized in that: A base is fixed on the riveting machine body, a positioning seat is provided on the top of the base, and a positioning hole is provided on the bottom of the outer cover. The outer cover can be detachably arranged on the base through the positioning hole.

3. The automatic rebound and reset riveting point mechanism for a connector according to claim 1, characterized in that: A threaded hole communicating with the guide cavity is provided on one side of the outer cover, and the limit screw is threadedly connected in the threaded hole.

4. The automatic rebound reset riveting point mechanism for a connector according to claim 1, characterized in that: The riveting chamber includes a first riveting chamber, a second riveting chamber and a third riveting chamber which are connected in sequence from top to bottom. The diameter of the second riveting chamber gradually decreases from top to bottom. The diameter of the first riveting chamber is the same as the top diameter of the second riveting chamber. The diameter of the third riveting chamber is the same as the bottom diameter of the second riveting chamber, and the diameter of the third riveting chamber is larger than the diameter of the guide chamber.

5. The automatic rebound reset rivet point mechanism for a connector according to claim 1, characterized in that: The positioning notch includes a first positioning notch, a second positioning notch, and a third positioning notch that are connected in sequence from top to bottom. The connector positioning piece is fixed in the third positioning notch, and there is a gap between the connector positioning piece and the third positioning notch. One end of the rivet extends into the second positioning notch.

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