New energy high-voltage copper terminal inspection tool

Abstract

The utility model belongs to copper terminal inspection tool technical field, concretely relates to a new energy high -pressure copper terminal inspection tool, including frock platform, frock platform surface inserts screw post, sets up limit slot on the bottom surface of screw post, the surface of limit slot is inlayed and is inserted into the limit ring, the both sides of limit ring surface are connected with the connecting frame, the surface of connecting frame is connected with first spring, and the other side surface of first spring is connected to the surface of fixed ring, the utility model discloses, through the fixed screw post of clamping on frock platform and inserts in the wire pressing hole of copper terminal, then utilizes the adjusting plate and abuts at the other side of copper terminal, according to the size of copper terminal, the numerical value is pointed to through the indicating arrow on the adjusting plate, thereby the convenient quick and accurate copper terminal is detected, and when detecting different models of copper terminal, the connecting frame of elastic clamping on the screw post can be pressed, the convenient quick replacement of the screw post of adapting model is convenient according to different models of copper terminal, and the use convenient degree and detection efficiency of frock platform are improved.

Description

Technical Field

[0001] This utility model belongs to the technical field of copper terminal inspection fixtures, specifically relating to an inspection fixture for new energy high-voltage copper terminals. Background Technology

[0002] High-voltage copper terminals for new energy are core components used in high-voltage electrical systems such as new energy vehicles and energy storage equipment to achieve current conduction and circuit connection. They are made of high-purity copper or copper alloys and have excellent conductivity, mechanical strength and temperature resistance.

[0003] It is typically installed at the interface of key components such as high-voltage wiring harnesses, battery packs, and motor controllers. It connects different high-voltage components stably through crimping or bolting, while meeting the insulation, corrosion resistance, and vibration resistance requirements under high-voltage scenarios. For example, in the power transmission path from battery to motor in new energy vehicles, high-voltage copper terminals can efficiently carry large currents (usually tens to hundreds of amperes), and through structural design, they avoid the heat generation problem caused by excessive contact resistance. They are the "power connection bridge" that ensures the safe and efficient operation of high-voltage systems.

[0004] High-voltage terminal crimping is one of the most critical processes in the production of high-voltage wiring harnesses for new energy vehicles. The quality of the high-voltage terminals also affects the conductivity and compatibility of the high-voltage lines. Currently, the high-voltage terminals used in new energy vehicles are generally copper terminals, i.e., tin-plated copper terminals. These terminals have low impurity content and low resistivity, making them suitable for high-current transmission environments.

[0005] However, since copper terminals are used in automotive applications, they have high dimensional tolerance requirements, are used in large quantities, and are small in size, making it difficult to control the quality of the manufacturing process.

[0006] Existing copper terminal inspection methods generally involve visual inspection and caliper checks on copper terminals in a low-frequency manner. This method is inefficient and can lead to some defective products entering the production process, causing defects in the high-voltage terminal crimping process, which in turn leads to scrapping and material waste. Utility Model Content

[0007] The purpose of this utility model is to provide a new energy high-voltage copper terminal inspection tool, which aims to solve the problem that the existing copper terminal inspection generally adopts visual inspection and vernier calipers for low-frequency inspection. This method is inefficient and will cause some unqualified products to flow into the production process, resulting in unqualified high-voltage terminal crimping process, and thus scrapping and material waste.

[0008] To achieve the above objectives, this utility model provides the following technical solution: a new energy high-voltage copper terminal inspection fixture, comprising a fixture table, a stud inserted into the surface of the fixture table, a limiting groove formed on the bottom surface of the stud, a limiting ring fitted into the surface of the limiting groove, connecting frames connected to both sides of the limiting ring, a first spring connected to the surface of the connecting frames, the other side of the first spring connected to the surface of a fixed ring, a fixed ring connected to the surface of an adjusting groove on the inner wall of the fixture table, the inner wall of the fixed ring movably sleeved on the surface of a limiting rod, a scale installed on the top of the fixture table, an indicator arrow movably abutting the top surface of the scale, the other side of the scale connected to both sides of the top of an adjusting plate, a slider connected to the surface of the adjusting plate, a second spring connected to the surface of the slider, the other side of the second spring connected to the surface of a sliding groove on the inner wall of the fixture table, and a sliding rod connected to the surface of the sliding groove on the inner wall of the fixture table.

[0009] As a preferred embodiment of the inspection fixture for high-voltage copper terminals in new energy according to this utility model, the limiting ring is an integral structure with a semi-circular inner wall connecting crossbar, and the shape and size of the two sets of limiting rings are adapted to the limiting groove when they are mirror images abutting.

[0010] As a preferred embodiment of the inspection fixture for high-voltage copper terminals of new energy according to this utility model, the bottom of the fixture table is provided with an elastic groove, the shape and size of which are adapted to the connecting frame, and the connecting frame is a "C" shaped integrated structure.

[0011] As a preferred embodiment of the inspection fixture for high-voltage copper terminals in new energy according to this utility model, the surface of the fixing ring is provided with a circular through groove, the shape and size of which are adapted to the limiting rod, and the connecting frame, the first spring and the fixing ring form an elastic connection structure.

[0012] As a preferred embodiment of the new energy high-voltage copper terminal inspection tool of this utility model, the two sets of indicator arrows are symmetrically distributed on both sides of the top of the adjustment plate.

[0013] As a preferred embodiment of the inspection fixture for high-voltage copper terminals in new energy applications, the fixture table, slider, second spring, and slide rod form an elastic connection structure.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] The studs, clamped and fixed on the tooling table, are inserted into the crimping holes of the copper terminals. An adjusting plate is then placed against the other side of the copper terminals. The indicator arrows on the adjusting plate point according to the dimensions of the copper terminals, facilitating quick and accurate testing of the copper terminals. Furthermore, when testing different types of copper terminals, the connecting bracket, which is elastically clamped on the studs, can be pressed to easily replace the appropriate studs for different terminal models, improving the ease of use and testing efficiency of the tooling table. Attached Figure Description

[0016] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0017] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0018] Figure 2 This is a top view sectional structural diagram of the present invention;

[0019] Figure 3 This is a side view of the exploded structure of this utility model;

[0020] Figure 4 This is an exploded structural diagram of the stud and connecting frame of this utility model;

[0021] Figure 5 This is a top view sectional structural diagram of the stud and connecting frame of this utility model.

[0022] In the diagram: 1. Tooling table; 2. Stud; 3. Limiting groove; 4. Limiting ring; 5. Connecting frame; 6. First spring; 7. Fixing ring; 8. Limiting rod; 9. Scale; 10. Indicating arrow; 11. Adjusting plate; 12. Slider; 13. Second spring; 14. Slide rod. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1-5This utility model provides the following technical solution: a new energy high-voltage copper terminal inspection fixture, including a fixture table 1, a stud 2 inserted into the surface of the fixture table 1, a limiting groove 3 formed on the bottom surface of the stud 2, a limiting ring 4 fitted into the surface of the limiting groove 3, connecting frames 5 connected to both sides of the surface of the limiting ring 4, a first spring 6 connected to the surface of the connecting frame 5, the other side of the first spring 6 connected to the surface of the fixing ring 7, the adjusting groove surface of the inner wall of the fixture table 1 connected to the fixing ring 7, the inner wall surface of the fixing ring 7 movably sleeved on the surface of the limiting rod 8, a scale 9 installed on the top of the fixture table 1, the top surface of the scale 9 movably abutting against the indicating arrow 10, the other side of the scale 9 connected to both sides of the top of the adjusting plate 11, a slider 12 connected to the surface of the adjusting plate 11, a second spring 13 connected to the surface of the slider 12, the other side of the second spring 13 connected to the sliding groove surface of the inner wall of the fixture table 1, and a sliding rod 14 connected to the sliding groove surface of the inner wall of the fixture table 1.

[0025] Preferably, the limiting ring 4 is an integral structure with a semi-circular inner wall connecting to a crossbar, and the shape and size of the two sets of limiting rings 4 are adapted to the limiting groove 3 when they are mirror images of each other.

[0026] In practical use, when the stud 2 is inserted downwards, the circular through groove on the bottom limiting groove 3 should be horizontally downwards. When the limiting ring 4 springs back to its original position, the orientation of the upper limiting groove 3 of the stud 2 can be finely adjusted so that the limiting rings 4 on both sides can be accurately inserted and sleeved on the limiting groove 3, thereby clamping and fixing the position of the stud 2.

[0027] Preferably, the tooling table 1 has an elastic groove at its bottom, the shape and size of which are adapted to the connecting frame 5, and the connecting frame 5 is a C-shaped integrated structure.

[0028] In actual use, push the two sets of connecting brackets 5 that are elastically connected to the tooling table 1 to both sides with one hand, so that the open ends of the limit rings 4 that are abutting each other separate.

[0029] Preferably, the surface of the fixing ring 7 has a circular through groove, the shape and size of which are adapted to the limiting rod 8, and the connecting frame 5, the first spring 6 and the fixing ring 7 form an elastic connection structure.

[0030] In actual use, the limiting rod 8 connected to the connecting frame 5 slides on the inner wall of the fixing ring 7 to guide and limit the movement of the connecting frame 5 until the lateral end of the limiting ring 4 connected to the connecting frame 5 is inserted into the inner wall of the stud 2.

[0031] Preferably, the two sets of indicator arrows 10 are symmetrically distributed on both sides of the top of the adjustment plate 11.

[0032] In practical use, the indicator arrows 10 on both sides of the top of the adjustment plate 11 are slid on the scale 9 to detect the size of the copper terminal placed on the tooling table 1, and the precise pointing of the indicator arrows 10 makes it convenient for the inspector to read the detection data of the copper terminal.

[0033] Preferably, the tooling table 1, slider 12, second spring 13 and slide rod 14 form an elastic connection structure.

[0034] In practical use, after one test is completed, the copper terminal placed on the tooling table 1 is removed, so that the adjusting plate 11, which is moved away from the stud 2 by the copper terminal, rebounds and resets on the slide rod 14 under the action of the sliders 12 on both sides and the second spring 13 connected thereto, so as to facilitate the next copper terminal size test.

[0035] Working principle: In the production process of new energy high-voltage copper terminals, select a stud 2 of appropriate size according to the model of the wire-pressing hole of the copper terminal to be produced. Then, lift the tooling table 1 with one hand and push the two sets of connecting brackets 5 elastically connected to the tooling table 1 to both sides with the other hand, so that the opening end of the limit ring 4 that is abutting together separates. Then, insert the selected end of the tooling table 1 with the limit groove 3 into the circular groove opened at the top of the tooling table 1 until the stud 2 is inserted into the circular groove and abuts against the inner wall of the tooling table 1. Then, release the connecting brackets 5 that are pulled to both sides, so that the connecting brackets 5 are elastically connected by the first spring. 6 moves towards stud 2 under the rebound, while the limiting rod 8 connected to the connecting frame 5 slides on the inner wall of the fixing ring 7 to guide and limit the movement of the connecting frame 5 until the lateral end of the limiting ring 4 connected to the connecting frame 5 is inserted into the inner wall of the stud 2. During this operation, it should be noted that when the stud 2 is inserted downward, the circular through groove on the bottom limiting groove 3 should be horizontally downward. When the limiting ring 4 rebounds and resets, the orientation of the upper limiting groove 3 of the stud 2 can be finely adjusted so that the limiting rings 4 on both sides are accurately inserted and sleeved on the limiting groove 3, thereby clamping and fixing the position of the stud 2.

[0036] At this time, the copper terminals to be tested are picked up in sequence, and the wire pressing holes on their surfaces are used to fit onto the surface of the stud 2. At the same time, the other side of the copper terminal abuts against the surface of the adjusting plate 11. The sliders 12 connected to both sides of the adjusting plate 11 slide on the slide rod 14, and the indicator arrows 10 on both sides of the top of the adjusting plate 11 slide on the scale 9. The size of the copper terminal placed on the tooling table 1 is then tested. The precise pointing of the indicator arrows 10 makes it easy for the tester to read the test data of the copper terminal, avoiding numerical deviations caused by direct visual estimation. In this design scheme, the first spring 6 and the second spring 13 are cylindrical compression springs made of silicon manganese spring steel. The design of their wire diameter, number of turns, and free length meets the clamping force requirements of the stud 2 and the copper terminal, satisfying the requirement of "appropriate clamping force". It can provide stable clamping force (avoiding deformation or loosening) and ensure durability for tens of thousands of spring adjustment through fatigue-resistant materials and reasonable compression, which is suitable for the use scenario of copper terminal testing tooling.

[0037] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. 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 described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A new energy high-voltage copper terminal inspection fixture, comprising a fixture table (1), characterized in that: A stud (2) is inserted into the surface of the tooling table (1). A limiting groove (3) is formed on the bottom surface of the stud (2). A limiting ring (4) is fitted into the surface of the limiting groove (3). Connecting brackets (5) are connected to both sides of the surface of the limiting ring (4). A first spring (6) is connected to the surface of the connecting brackets (5). The other side of the surface of the first spring (6) is connected to the surface of the fixing ring (7). The adjusting groove on the inner wall of the tooling table (1) is connected to the fixing ring (7). The inner wall of the fixing ring (7) is movably sleeved on the limiting rod (…). 8) Surface, a scale (9) is installed on the top of the tooling table (1), the top surface of the scale (9) is movably abutting the indicator arrow (10), the other side surface of the scale (9) is connected to the top two sides of the adjustment plate (11), the surface of the adjustment plate (11) is connected to the slider (12), the surface of the slider (12) is connected to the second spring (13), the other side surface of the second spring (13) is connected to the inner wall groove surface of the tooling table (1), and the inner wall groove surface of the tooling table (1) is connected to the slide rod (14).

2. The inspection fixture for new energy high-voltage copper terminals according to claim 1, characterized in that: The limiting ring (4) is an integral structure with a semi-circular inner wall connecting to a crossbar, and the shape and size of the two sets of limiting rings (4) are adapted to the limiting groove (3) when they are mirror images of each other.

3. The inspection fixture for new energy high-voltage copper terminals according to claim 1, characterized in that: The tooling table (1) has an elastic groove at the bottom, the shape and size of which are adapted to the connecting frame (5), which is a "C" shaped integrated structure.

4. The inspection fixture for new energy high-voltage copper terminals according to claim 3, characterized in that: The surface of the fixing ring (7) has a circular through groove, the shape and size of which are adapted to the limiting rod (8). The connecting frame (5), the first spring (6) and the fixing ring (7) form an elastic connection structure.

5. The inspection fixture for new energy high-voltage copper terminals according to claim 1, characterized in that: The two sets of indicator arrows (10) are symmetrically distributed on both sides of the top of the adjustment plate (11).

6. The inspection fixture for new energy high-voltage copper terminals according to claim 5, characterized in that: The tooling table (1), slider (12), second spring (13) and slide bar (14) form an elastic connection structure.

Images