Precise positioning clamp for CNC machining of notebook computer shell

Abstract

The utility model relates to the technical field of notebook computer shell CNC machining clamps, in particular to a precise positioning clamp for notebook computer shell CNC machining, which comprises a placing table, a clamping mechanism is arranged on the periphery of the placing table, the clamping mechanism comprises a guide groove and a clamping plate, the guide groove is arranged on one side of the placing table, and the clamping plate is arranged on the other side of the placing table. A guide groove is formed in one side of the placement table, an adjusting groove is formed in one end of the guide groove, an adjusting plate is arranged on the adjusting groove, a threaded hole is formed between the adjusting groove and one side of the placement table, a threaded column is arranged on the threaded hole, and a bearing is arranged between the threaded column and the adjusting plate. The deviation risk in the machining process is reduced, the stable clamping state is beneficial for keeping the position of the workpiece unchanged in the machining process, and therefore the consistency and quality of finished products are improved.

Description

Technical Field

[0001] This utility model relates to the field of CNC machining fixtures for laptop shells, specifically a precision positioning fixture for CNC machining of laptop shells. Background Technology

[0002] As we all know, the processing of the outer casing is a crucial step in the manufacturing process of laptops, as it directly affects the product's appearance quality, durability, and assembly precision. To ensure that these requirements are met, CNC machining technology is widely used in the manufacturing of laptop casings. However, before CNC machining can be performed, the workpiece (i.e., the laptop casing) must first be precisely positioned on the machine tool so that the machining equipment can process it according to the predetermined design drawings.

[0003] Traditional fixtures typically require manual adjustment by workers to position the workpiece, which is not only time-consuming and labor-intensive but also prone to inaccurate positioning due to human error. Most traditional fixtures are designed for workpieces of specific sizes; when machining workpieces of different sizes, the fixture must be changed or reset, reducing production line flexibility. In some designs, the fixture may not provide sufficient clamping force to maintain workpiece stability under high-speed machining conditions, leading to machining deviations or even workpiece damage. Some fixture systems are complex in design, requiring multiple steps to complete the clamping operation, increasing operational difficulty and potentially the risk of errors. Therefore, it is necessary to propose solutions to this technical problem. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a precision positioning fixture for CNC machining of laptop shells.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: A precision positioning fixture for CNC machining of notebook computer casings, comprising a placement table, a clamping mechanism surrounding the placement table, the clamping mechanism comprising a guide groove and a clamping plate, the guide groove being formed on one side of the placement table, an adjustment groove being formed at one end of the guide groove, an adjustment plate being provided on the adjustment groove, a threaded hole being formed between the adjustment groove and one side of the placement table, a threaded post being provided on the threaded hole, a bearing being provided between the threaded post and the adjustment plate, a connecting rod being provided on the adjustment plate, a wedge being provided at one end of the connecting rod, the wedge being abutting against the top of the guide groove, a guiding mechanism being provided between the connecting rod and the guide groove, a mounting bracket being provided at one end of the clamping plate, a wedge being provided between the mounting bracket and the guide groove, an elastic component being provided connecting the wedge and the adjustment plate, an iron plate being provided on the wedge, an electromagnetic lock being provided on the wedge, and a clamping assembly being provided on the clamping plate.

[0008] Furthermore, the present invention is improved in that the clamping assembly includes an inclined groove and a limiting block, the inclined groove is formed at the top of one end of the clamping plate, and the limiting block is installed at the bottom end of the clamping plate.

[0009] Furthermore, the present invention is improved in that the guiding mechanism includes a slide groove and a slider. The slide groove is formed at the top of the guide groove and extends into the adjusting groove. The slider is slidably connected to the slide groove and is connected to the connecting rod.

[0010] Furthermore, the present invention is improved in that both the groove and the slider are T-shaped.

[0011] Furthermore, the present invention is improved in that the clamping assembly further includes a handle, which is mounted on the top of the clamping plate.

[0012] Furthermore, the present invention is improved in that the outer sides of both the limiting block and the clamping plate are provided with anti-slip textures.

[0013] Furthermore, an improvement of this utility model is that the elastic component is an alloy spring.

[0014] Furthermore, the present invention is improved by providing a handle on the threaded post.

[0015] (III) Beneficial Effects

[0016] Compared with the prior art, this utility model provides a precision positioning fixture for CNC machining of notebook computer shells, which has the following advantages:

[0017] This precision positioning fixture for CNC machining of laptop shells automatically returns to its initial state after the operator pushes the clamping plate to place or remove the workpiece. This allows the clamping plate to automatically reset and clamp the workpiece, eliminating the need for manual reset and saving time and effort. The automatic reset function speeds up workpiece changeover, reduces non-production time, and improves overall production efficiency. Through the interaction between the inclined plate and the inclined block, and the design of the inclined plate via guide grooves and limiting fixing posts, the clamping plate ensures that it can clamp the workpiece evenly and stably from four directions. Four-sided clamping ensures the stability of the workpiece in all directions, reducing the risk of offset during machining. The stable clamping state helps to keep the workpiece in the same position during machining, thereby improving the consistency and quality of the finished product.

[0018] By rotating the threaded column in the clamping mechanism, the adjusting plate is moved, thereby adjusting the position of the inclined block and the elastic component, thus changing the position of the clamping plate to adapt to different sizes of notebook shell workpieces. The position of the clamping plate can be adjusted according to different sizes of workpieces, increasing the versatility of the fixture. The adjustment process is simple and quick, without the need to change the fixture, shortening the adjustment time and improving the flexibility of the production line. The iron plate on the inclined plate is attracted by the electromagnetic lock to ensure that the inclined plate is firmly fixed, thereby ensuring the stability of the clamping plate during the processing. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of the present utility model. Figure 1 ;

[0020] Figure 2 This is a schematic diagram of the structure of the present utility model. Figure 2 ;

[0021] Figure 3 This utility model Figure 1 Enlarged front half-sectional view of the middle clamping plate;

[0022] Figure 4 This utility model Figure 1 Enlarged top half-section view of the middle clamping plate.

[0023] In the diagram: 1. Placement platform; 2. Clamping plate; 3. Adjusting plate; 4. Threaded column; 5. Bearing; 6. Connecting rod; 7. Inclined block; 8. Mounting bracket; 9. Inclined plate; 10. Elastic component; 11. Iron plate; 12. Electromagnetic lock; 13. Limiting block; 14. Sliding block; 15. Handle. Detailed Implementation

[0024] 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.

[0025] Please see Figure 1-4This utility model relates to a precision positioning fixture for CNC machining of laptop shells, comprising a placement table 1, with clamping mechanisms around its perimeter. The clamping mechanisms include a guide groove and a clamping plate 2. The guide groove is located on one side of the placement table 1, and an adjustment groove is located at one end of the guide groove. An adjustment plate 3 is mounted on the adjustment groove. A threaded hole is formed between the adjustment groove and one side of the placement table 1, and a threaded post 4 is mounted on the threaded hole. A bearing 5 is located between the threaded post 4 and the adjustment plate 3. A connecting rod 6 is mounted on the adjustment plate 3, and a wedge 7 is located at one end of the connecting rod 6. The wedge 7 abuts against the top of the guide groove. A guiding mechanism is provided between the guide groove and the clamping plate 2. A mounting bracket 8 is provided at one end of the clamping plate 2. An inclined plate 9 is provided between the mounting bracket 8 and the guide groove. An elastic component 10 connects the inclined plate 9 and the adjusting plate 3. An iron plate 11 is provided on the inclined plate 9. An electromagnetic lock 12 is provided on the inclined block 7. A clamping assembly is provided on the clamping plate 2. In this embodiment, a person pushes the clamping plates 2 of any two clamping mechanisms around the placement platform 1, and then places the laptop shell workpiece on the placement platform 1. Through the restoring tensile force of the elastic components 10 in the surrounding clamping mechanisms, the clamping plates 2 can clamp and abut against the laptop shell workpiece. The elastic components 10 in each clamping mechanism are identical. The system enables stable pulling of the inclined plate 9. Through the tilting force between the inclined plate 9 and the inclined block 7, the clamping plate 2 is stably attached to the top of the placement table 1 and holds the laptop shell workpiece. The inclined plate 9, through the guide groove and the limiting fixing post of the inclined block 7, achieves precise four-sided clamping of the laptop shell workpiece. Then, by activating the electromagnetic lock 12, the electromagnetic lock 12 attracts the iron plate 11 on the inclined plate 9, thus firmly fixing the inclined plate 9 and the clamping plate 2, ensuring the four-sided clamping of the laptop shell workpiece. CNC machining is then performed. After machining, the electromagnetic lock 12 is closed, and the clamping plate 2 can be pulled to remove the laptop shell workpiece. This system can be used for laptops of different sizes. During the processing of the outer casing, the threaded column 4 in the rotating clamping mechanism rotates and moves in the threaded hole. The threaded column 4 drives the adjusting plate 3 to move through the bearing 5. The adjusting plate 3 moves linearly in the adjusting groove. The adjusting plate 3 drives the inclined block 7 to move through the connecting rod 6, and at the same time drives the elastic component 10 to move. This allows the position of the clamping plate 2 on the placement table 1 to be adjusted by the personnel according to the size of the notebook casing workpiece. This makes it suitable for clamping and positioning more notebook casing workpieces. Moreover, the electromagnetic lock 12 attracts the iron plate 11 to ensure the stability and reliability of the clamping plate 2, ensuring the clamping firmness of the notebook casing workpiece and facilitating precision machining operations on CNC machine tools.

[0026] In this solution, the clamping assembly includes a slanted groove and a limiting block 13. The slanted groove is formed at the top of one end of the clamping plate 2, and the limiting block 13 is installed at the bottom end of the clamping plate 2. The limiting block 13 can limit the side of the laptop shell, and the slanted groove can facilitate pressing the laptop shell against one end of the clamping plate 2.

[0027] In this solution, the guiding mechanism includes a slide groove and a slider 14. The slide groove is formed at the top of the guide groove and extends into the adjustment groove. The slider 14 is slidably connected to the slide groove and is connected to the connecting rod 6. By having the slider 14 in the slide groove follow the connecting rod 6 to move stably, the movement stability of the connecting rod 6 and the inclined block 7 can be improved.

[0028] In this design, both the slide groove and the slider 14 are T-shaped. The T-shaped slide groove and slider 14 prevent the slider 14 from dislodging from the slide groove and improve the stability of the slider 14's movement within the slide groove.

[0029] In this solution, the clamping assembly also includes a handle 15, which is installed on the top of the clamping plate 2. By holding the handle 15, it is easy for personnel to pull the clamping plate 2 to remove the laptop shell workpiece.

[0030] In this solution, the outer sides of the limiting block 13 and the clamping plate 2 are provided with anti-slip textures. The anti-slip textures can improve the anti-slip properties of the outer sides of the limiting block 13 and the clamping plate 2, and can just clamp the notebook shell workpiece.

[0031] In this design, the elastic component 10 is an alloy spring. The alloy spring can improve the elastic recovery performance and provide a more stable elastic pull on the inclined plate 9.

[0032] In this design, the threaded post 4 is provided with a handle, which allows for easy rotation of the threaded post 4 by holding the handle.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A precision positioning fixture for CNC machining of notebook computer casings, comprising a placement stage (1), wherein clamping mechanisms are provided around the placement stage (1), characterized in that, The clamping mechanism includes a guide groove and a clamping plate (2). The guide groove is located on one side of the placement platform (1). An adjustment groove is located at one end of the guide groove. An adjustment plate (3) is located on the adjustment groove. A threaded hole is located between the adjustment groove and one side of the placement platform (1). A threaded post (4) is located on the threaded hole. A bearing (5) is located between the threaded post (4) and the adjustment plate (3). A connecting rod (6) is located on the adjustment plate (3). A wedge is located at one end of the connecting rod (6). (7), the inclined block (7) abuts against the top of the guide groove, the connecting rod (6) is provided with a guide mechanism between the guide groove and the guide rod, one end of the clamping plate (2) is provided with a mounting bracket (8), the mounting bracket (8) is provided with an inclined plate (9) between the guide groove and the guide bracket, the inclined plate (9) is connected with the adjusting plate (3) by an elastic component (10), the inclined plate (9) is provided with an iron plate (11), the inclined block (7) is provided with an electromagnetic lock (12), and the clamping plate (2) is provided with a clamping assembly.

2. The precision positioning fixture for CNC machining of notebook casings according to claim 1, characterized in that, The clamping assembly includes a slanted groove and a limiting block (13). The slanted groove is formed at the top of one end of the clamping plate (2), and the limiting block (13) is installed at the bottom end of the clamping plate (2).

3. A precision positioning fixture for CNC machining of notebook casings according to claim 2, characterized in that, The guiding mechanism includes a chute and a slider (14). The chute is formed at the top of the guide groove and extends into the adjustment groove. The slider (14) is slidably connected to the chute and is connected to the connecting rod (6).

4. A precision positioning fixture for CNC machining of notebook casings according to claim 3, characterized in that, Both the groove and the slider (14) have a T-shaped structure.

5. A precision positioning fixture for CNC machining of notebook casings according to claim 4, characterized in that, The clamping assembly also includes a handle (15) mounted on the top of the clamping plate (2).

6. A precision positioning fixture for CNC machining of notebook casings according to claim 5, characterized in that, The outer sides of both the limiting block (13) and the clamping plate (2) are provided with anti-slip texture.

7. A precision positioning fixture for CNC machining of notebook casings according to claim 6, characterized in that, The elastic component (10) is an alloy spring.

8. A precision positioning fixture for CNC machining of notebook computer casings according to claim 7, characterized in that, The threaded post (4) is provided with a handle.

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