Drilling jig and automobile millimeter wave radar circuit board drilling method

Abstract

The utility model specifically is a kind of drilling jig and automobile millimeter wave radar circuit board drilling method, including jig table, the upper surface one end of jig table is equipped with track slot, track slot is rectangular groove structure, threaded rod is rotatably installed in track slot, and the one end of threaded rod passes through track slot and is placed outside jig table, clamping plate is screw-mounted on threaded rod, and clamping plate is slidably installed on the upper surface of jig table, clamping plate is equipped with slot, and rectangular cylinder block is installed, limit dog is installed in the end of rectangular cylinder block in plug-in mode, beneficial effect is that: the utility model is equipped with clamping plate on jig table, and it is controlled by threaded rod, so it is convenient to adjust the distance between clamping plate during processing circuit board according to the size of circuit board, meet the fixing requirement of different size circuit board, and it is equipped with lifting plate on jig table, so it is convenient to lift the circuit board after processing, and it is convenient to take down circuit board.

Description

Technical Field

[0001] The present invention relates to the field of circuit board processing, and specifically to a drilling fixture and a method for drilling an automotive millimeter-wave radar circuit board. Background Art

[0002] A circuit board, also known as a printed circuit board, miniaturizes and visualizes circuits, and plays an important role in the mass production of fixed circuits and the optimization of electrical appliance layouts. A circuit board can be called a printed wiring board or a printed circuit board.

[0003] During the processing of a circuit board, in order to facilitate the installation of the circuit board and other electronic components, holes need to be drilled on the circuit board. However, current drilling equipment is not convenient for adjusting according to the actual size of the circuit board, resulting in unstable fixation of the circuit board. At the same time, after drilling, the circuit board is relatively thin and not convenient to remove. Summary of the Invention

[0004] The purpose of the present invention is to provide a drilling fixture and a method for drilling an automotive millimeter-wave radar circuit board to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A drilling fixture includes a fixture table. At one end of the upper surface of the fixture table, a track groove is opened. The track groove is in a rectangular groove structure. A threaded rod is rotatably installed in the track groove, and one end of the threaded rod passes through the track groove and is placed outside the fixture table. A clamping plate is threadedly installed on the threaded rod, and the clamping plate is slidably installed on the upper surface of the fixture table. A clamping groove is opened on the clamping plate, and a rectangular cylinder block is installed. A limit chuck is inserted and installed at the end of the rectangular cylinder block. The upper part of the limit chuck has an inclined surface. A guide rod is installed on the back of the limit chuck. The guide rod is inserted through the rectangular cylinder block, and a spring is sleeved on the guide rod. The spring is placed inside the rectangular cylinder block.

[0006] Preferably, a lifting plate is rotatably installed on the upper surface of the fixture table, and the upper surface of the lifting plate is flush with the upper surface of the fixture table. Guide grooves are symmetrically opened on the upper surface of the lifting plate. The guide grooves are in a "convex" groove structure, and a cleaning plate is slidably installed on the lifting plate through the guide grooves. A cleaning strip is installed on the side wall of the cleaning plate. The cleaning strip is in a triangular strip structure.

[0007] Preferably, a pull rod is rotatably installed in the middle of the upper surface of the cleaning plate. The pull rod is in a plate structure, and a handle is installed on the upper surface of the end of the pull rod.

[0008] Preferably, circular ring grooves are opened on the bottom surface of the end of the pull rod and the upper surface of the end of the cleaning plate. A magnet one and a magnet two are respectively installed in the circular ring grooves, and the magnet one and the magnet two are mutually opposite magnets.

[0009] Preferably, a bottom plate is installed at the bottom of the fixture table. There are two groups of bottom plates, which are symmetric about the center line of the fixture table, and the bottom plate is in an "L"-shaped plate structure, and a reserved hole is opened on the bottom plate.

[0010] Preferably, a connecting plate is installed at the end of the guide rod. The connecting plate is in a strip-shaped plate structure, and a clamping frame bar is rotatably installed in the middle of the connecting plate. The clamping frame bar is in a "C"-shaped strip structure, and a strip-shaped groove is provided on one side of the middle of the clamping frame bar. The strip-shaped groove is opened on the side wall of the clamping plate and is in a rectangular groove structure.

[0011] Preferably, a positioning groove is opened on the side wall of the end of the fixture table. The positioning groove is a cylindrical hole groove, and there are multiple groups of positioning grooves, which are evenly and equidistantly arranged in a circular array on the end face of the side wall of the fixture table.

[0012] Preferably, positioning handles are symmetrically and rotatably installed at the ends of the threaded rod. Sliders are slidably installed at the ends of the positioning handles. The sliders are in a rectangular block structure. A compression spring is sleeved on the back of the slider. The compression spring is placed in the positioning handle, and both ends of the compression spring are respectively fixed on the back of the slider and the inner wall of the positioning handle. A cylindrical head is installed on the front of the slider, and the cylindrical head matches the positioning groove.

[0013] Preferably, finger rods are installed on the side walls of the slider. The finger rods are in a rod structure, and there are two groups of finger rods, which are symmetric about the slider. Finger grooves are opened on the side walls of the finger rods.

[0014] A method for drilling a circuit board of an automotive millimeter-wave radar:

[0015] S1: Rotate the threaded rod to adjust the distance between the clamping plates according to the size of the circuit board;

[0016] S2: Place the circuit board on the fixture table and press it tightly with the limit clamping head;

[0017] S3: Start the drilling equipment to drill the circuit board;

[0018] S4: Pull the clamping frame bar to lift the lifting plate and take out the circuit board;

[0019] S5: Pull the pull rod to drive the cleaning plate and the cleaning strip to clean the tabletop of the fixture table.

[0020] Compared with the prior art, the beneficial effects of the present invention are:

[0021] This invention features clamping plates on a fixture table, controlled by threaded rods. This allows for adjustment of the distance between clamping plates according to the size of the circuit board during processing, meeting the fixing requirements of circuit boards of different sizes. Additionally, a lifting plate is provided on the fixture table to facilitate lifting and removing the processed circuit board, replacing the method of using fingers to hold the circuit board and increasing work efficiency. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of the present invention;

[0023] Figure 2 This is a partial structural diagram of the present invention;

[0024] Figure 3 This is a schematic diagram showing the cross-section of the clamping plate of the present invention;

[0025] Figure 4 This is a diagram illustrating the lifting of the platform;

[0026] Figure 5 This is a schematic diagram showing the segmentation of the positioning handle.

[0027] In the diagram: 1. Fixture table; 2. Base plate; 3. Track groove; 4. Threaded rod; 5. Clamping plate; 6. Rectangular cylinder block; 7. Limiting chuck; 8. Inclined surface; 9. Guide rod; 10. Spring; 11. Connecting plate; 12. Frame strip; 13. Strip groove; 14. Positioning handle; 15. Slider; 16. Compression spring; 17. Cylindrical head; 18. Finger rod; 19. Finger groove; 20. Positioning groove; 21. Lifting plate; 23. Guide groove; 24. Cleaning plate; 25. Cleaning strip; 26. Pull rod; 27. Handle; 28. Magnet one; 29. ​​Magnet two. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the present invention clear and complete, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of the present invention, and are merely illustrative of the embodiments of the present invention. They are not intended to limit the embodiments of the present invention. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] Please see Figures 1-5, the present invention provides a technical solution: a drilling fixture, including a fixture table 1, a bottom plate 2 is installed at the bottom of the fixture table 1, there are two groups of bottom plates 2, which are symmetric about the midline of the fixture table 1, and the bottom plate 2 is in an "L"-shaped plate structure. Reserved holes are provided on the bottom plate 2 to facilitate the installation and fixation of the fixture table 1 and the bottom plate 2. A track groove 3 is provided at one end of the upper surface of the fixture table 1. The track groove 3 is in a rectangular groove structure. A threaded rod 4 is rotatably installed in the track groove 3, and one end of the threaded rod 4 passes through the track groove 3 and is placed outside the fixture table 1. A clamping plate 5 is threadedly installed on the threaded rod 4, and the clamping plate 5 is slidably installed on the upper surface of the fixture table 1. A clamping groove is provided on the clamping plate 5, and a rectangular cylinder block 6 is installed. A limit card head 7 is inserted and installed at the end of the rectangular cylinder block 6. An inclined surface 8 is provided on the upper part of the limit card head 7. A guide rod 9 is installed on the back of the limit card head 7. The guide rod 9 is inserted through the rectangular cylinder block 6, and a spring 10 is sleeved on the guide rod 9. The spring 10 is placed inside the rectangular cylinder block 6. A lifting plate 21 is rotatably installed on the upper surface of the fixture table 1, and the upper surface of the lifting plate 21 is flush with the upper surface of the fixture table 1. Guide grooves 23 are symmetrically provided on the upper surface of the lifting plate 21. The guide grooves 23 are in a "convex"-shaped groove structure, and a cleaning plate 24 is slidably installed on the lifting plate 21 through the guide grooves 23. A cleaning strip 25 is installed on the side wall of the cleaning plate 24. The cleaning strip 25 is in a triangular strip structure. In the actual operation process, by lifting the lifting plate 21, it is convenient to lift the processed circuit board, facilitating the removal of the circuit board. In the actual operation process, first, according to the actual processing size of the circuit board, rotate the threaded rod 4 to adjust the distance between the clamping plates 5, and then push the circuit board from above the inclined surface 8. It is pressed by the limit card head 7 on the table surface of the fixture table 1, and then the circuit board can be drilled.

[0030] A pull rod 26 is rotatably installed in the middle of the upper surface of the cleaning plate 24. The pull rod 26 is in a plate structure, and a handle 27 is installed on the upper surface of the end of the pull rod 26. In this way, it is convenient to pull the cleaning plate 24 to move through the pull rod 26 and the handle 27, realizing the cleaning of the upper surface of the fixture table 1. Circular ring grooves are provided on the bottom surface of the end of the pull rod 26 and the upper surface of the end of the cleaning plate 24. A magnet one 28 and a magnet two 29 are respectively installed in the circular ring grooves, and the magnet one 28 and the magnet two 29 are mutually opposite magnets, which is convenient for fixing the pull rod 26 when not in use.

[0031] A connecting plate 11 is installed at the end of the guide rod 9. The connecting plate 11 is in a strip-shaped plate structure, and a clamping frame strip 12 is rotatably installed in the middle of the connecting plate 11. The clamping frame strip 12 is in a "U"-shaped strip structure, and a strip-shaped groove 13 is provided on one side of the middle of the clamping frame strip 12. The strip-shaped groove 13 is provided on the side wall of the clamping plate 5 and is in a rectangular groove structure. In this way, after the connecting plate 11 pulls the guide rod 9 and the limit card head 7, the clamping frame strip 12 can be stuck in the strip-shaped groove 13, so that the cylindrical head 17 is retracted into the rectangular cylinder block 6, facilitating the removal of the circuit board.

[0032] The end sidewall of the fixture table 1 is provided with a positioning groove 20. The positioning groove 20 is a cylindrical hole groove, and multiple sets of positioning grooves 20 are arranged in a circular, uniform, and equidistant array on the end face of the sidewall of the fixture table 1. A positioning handle 14 is symmetrically and rotatably mounted on the end of the threaded rod 4. A slider 15 is slidably mounted on the end of the positioning handle 14. The slider 15 has a rectangular block structure. A compression spring 16 is sleeved on the back of the slider 15. The compression spring 16 is placed inside the positioning handle 14, and the two ends of the compression spring 16 are respectively fixed to the back of the slider 15 and the inner wall of the positioning handle 14. The front of the slider 15... A cylindrical head 17 is installed, and the cylindrical head 17 matches the positioning groove 20. In actual operation, when the positioning handle 14 is unfolded, it facilitates the rotation of the threaded rod 4. When the positioning handle 14 is folded, the cylindrical head 17 is inserted into the positioning groove 20, which facilitates the fixing of the threaded rod 4. The side wall of the slider 15 is equipped with a finger rod 18. The finger rod 18 has a rod-shaped structure and is provided in two sets, which are symmetrical about the slider 15. The side wall of the finger rod 18 is provided with a finger groove 19. In actual operation, the slider 15 can be moved by the finger groove 19, which facilitates the unfolding and folding of the positioning handle 14.

[0033] A drilling method for automotive millimeter-wave radar circuit boards:

[0034] S1: Rotate the threaded rod 4 to adjust the spacing between the clamping plates 5 according to the size of the circuit board;

[0035] S2: Place the circuit board on the fixture table 1 and press it firmly with the limit clamp head 7;

[0036] S3: Start the drilling equipment to drill holes in the circuit board;

[0037] S4: Pull the card holder bar 12, lift the lifting plate 21, and remove the circuit board;

[0038] S5: Pull the lever 26 to drive the cleaning plate 24 and cleaning strip 25 to clean the table surface of the fixture table 1.

[0039] Although embodiments of the 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 invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A drilling fixture, comprising a fixture table (1); Its features are: One end of the upper surface of the fixture table (1) is provided with a track groove (3), and the track groove (3) is in a rectangular groove structure; A threaded rod (4) is rotatably installed in the track groove (3), and one end of the threaded rod (4) passes through the track groove (3) and is placed outside the fixture table (1); A clamping plate (5) is threadedly installed on the threaded rod (4), and the clamping plate (5) is slidably installed on the upper surface of the fixture table (1); A clamping groove is provided on the clamping plate (5), and a rectangular cylinder block (6) is installed. A limit chuck (7) is inserted and installed at the end of the rectangular cylinder block (6), and an inclined surface (8) is provided on the upper part of the limit chuck (7); A guide rod (9) is installed on the back of the limit chuck (7), the guide rod (9) is inserted through the rectangular cylinder block (6), and a spring (10) is sleeved on the guide rod (9), and the spring (10) is placed inside the rectangular cylinder block (6); A connecting plate (11) is installed at the end of the guide rod (9). The connecting plate (11) is in a strip-shaped plate structure, and a clamping frame bar (12) is rotatably installed in the middle of the connecting plate (11). The clamping frame bar (12) is in a "C" - shaped strip structure, and a strip groove (13) is provided on one side of the middle of the clamping frame bar (12). The strip groove (13) is opened on the side wall of the clamping plate (5) and is in a rectangular groove structure; The ends of the threaded rod (4) are symmetrically and rotatably installed with positioning handles (14). Sliders (15) are slidably installed at the ends of the positioning handles (14). The sliders (15) are in a rectangular block structure. An extrusion spring (16) is sleeved on the back of the sliders (15). The extrusion spring (16) is placed inside the positioning handle (14), and both ends of the extrusion spring (16) are respectively fixed on the back of the slider (15) and the inner wall of the positioning handle (14). A cylindrical head (17) is installed on the front of the slider (15), and the cylindrical head (17) is matched with the positioning groove (20).

2. A drilling fixture according to claim 1, characterized in that: A lifting plate (21) is rotatably installed on the upper surface of the fixture table (1), and the upper surface of the lifting plate (21) is flush with the upper surface of the fixture table (1). Guide grooves (23) are symmetrically opened on the upper surface of the lifting plate (21). The guide grooves (23) are in a "convex" - shaped groove structure, and a cleaning plate (24) is slidably installed on the lifting plate (21) through the guide grooves (23). A cleaning strip (25) is installed on the side wall of the cleaning plate (24), and the cleaning strip (25) is in a triangular strip structure.

3. A drilling fixture according to claim 2, characterized in that: A pull rod ( 4. A drilling fixture according to claim 3, characterized in that: ​ 5. A drilling fixture according to claim 4, characterized in that: ​ 6. A drilling fixture according to claim 5, characterized in that: The end side wall of the fixture table (1) is provided with a positioning groove (20). The positioning groove (20) is a cylindrical hole groove, and multiple sets of positioning grooves (20) are arranged in a circular uniform equidistant array on the end face of the side wall of the fixture table (1).

7. A drilling fixture according to claim 6, characterized in that: The slider (15) has a finger rod (18) installed on its side wall. The finger rod (18) has a rod-shaped structure and is provided in two sets, which are symmetrical about the slider (15). The side wall of the finger rod (18) is provided with a finger groove (19).

8. A method for drilling holes in an automotive millimeter-wave radar circuit board, using the drilling fixture described in claim 7, characterized in that: The method is as follows: S1: Rotate the threaded rod (4) and adjust the spacing between the clamping plates (5) according to the size of the circuit board; S2: Place the circuit board on the fixture table (1) and press it firmly with the limiting clamp (7); S3: Start the drilling equipment to drill holes in the circuit board; S4: Pull the card holder bar (12), lift the lifting plate (21), and take out the circuit board; S5: Pull the lever (26) to drive the cleaning plate (24) and cleaning strip (25) to clean the table surface of the fixture table (1).

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