Interlayer alignment calibration device for multilayer circuit board

Abstract

The utility model discloses a multilayer circuit board interlayer alignment calibration device, which comprises a bottom plate, an L-shaped mounting rack is arranged at one end of the top of the bottom plate, movable rods are arranged at two ends of the bottom of a transverse plate, and calibration rods are transversely arranged at the bottoms of the movable rods. According to the interlayer alignment calibration device for the multilayer circuit board, the vertical rod is driven to descend through the lifting assembly, so that the calibration rod is aligned with the core plate, then the two groups of movable rods are driven to get close to each other through the driving assembly, and the calibration rod at the bottom of the movable rod is inserted between the two groups of copper foils and pushes the left end and the right end of the core plate to calibrate; and then the vertical rod and the transverse plate can be driven to rotate through the rotating assembly, so that the calibration rod pushes the front end and the rear end of the core plate to calibrate, the core plate and the copper foil can be arranged in the middle, and compared with manual measurement and calibration, the calibration mode is more convenient, the calibration precision is high, and the calibration efficiency is also improved. And the production efficiency can be improved.

Description

Technical Field

[0001] This utility model relates to the technical field of circuit board processing, specifically to a multilayer circuit board interlayer alignment calibration device. Background Technology

[0002] Multilayer circuit boards consist of multiple stacked conductive layers, which can accommodate more circuit components and provide greater integration and functional expandability. This makes multilayer boards suitable for designing complex electronic products such as mobile phones and computers.

[0003] In the fabrication of multilayer circuit boards, the inner core board, prepreg, and copper foil are bonded together and require a lamination process. Since the copper foil is larger than the inner core board during lamination, the portion of the copper foil extending beyond the core board needs to be trimmed. To ensure the trimming accuracy of each edge, the core board and copper foil need to be centered. Therefore, the inner core board and copper foil need to be aligned and calibrated. However, since the core board is located between two sets of copper foil, it is not easy to observe whether the core board is centered with the copper foil. Currently, existing calibration methods usually require operators to measure the portion of the copper foil that extends beyond the core board and then make adjustments. This adjustment method requires operators to repeatedly measure all four sides of the copper foil, which is inefficient and cumbersome, and the calibration process is time-consuming. Utility Model Content

[0004] The purpose of this invention is to provide a multilayer circuit board interlayer alignment calibration device to solve the problem that the existing calibration method mentioned in the background art usually requires operators to measure the excess part of the copper foil and then make adjustments. This adjustment method requires operators to repeatedly measure all four sides of the copper foil, which is inefficient and troublesome, and the calibration time is long.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a multilayer circuit board interlayer alignment calibration device, comprising a base plate,

[0006] An L-shaped mounting bracket is provided at one top end of the base plate, and multiple sets of L-shaped limiting blocks are provided at the other top end of the base plate. A vertical rod is provided through the L-shaped mounting bracket, and a horizontal plate is fixed at the bottom of the vertical rod. Movable rods are provided at both ends of the bottom of the horizontal plate, and a calibration rod is provided horizontally at the bottom of the movable rod.

[0007] A drive assembly is provided on the horizontal plate, which is used to drive the movable rod to move laterally.

[0008] The L-shaped mounting bracket is equipped with a rotating component, which is used to drive the vertical rod and the horizontal plate to rotate;

[0009] The L-shaped mounting bracket is also equipped with a lifting assembly, which is used to drive the vertical rod and the horizontal plate to move vertically.

[0010] The base plate is provided with a transverse moving component, which is used to drive the L-shaped mounting bracket to move laterally.

[0011] In the above technical solution, the copper foil can be limited by the L-shaped limiting block.

[0012] Preferably, the bottom of the movable rod is provided with a slot, one end of the calibration rod is located in the slot, and the other end of the calibration rod is fixed with a rubber pad, and the bottom of the movable rod is provided with a bolt.

[0013] In the above technical solution, the calibration rod can be pulled out of the slot by rotating the bolt to remove it. This makes it easy to replace the calibration rod so that it can be used to calibrate core boards of different thicknesses. The rubber pad on the calibration rod can prevent damage to the core board when pushing it, thus improving its practicality.

[0014] Preferably, the drive assembly includes a motor, which is fixed to the side of the horizontal plate, and a lead screw is installed at the bottom of the horizontal plate. The lead screw passes through a movable rod and is threadedly connected to it, and the top of the movable rod is slidably connected to the bottom of the horizontal plate.

[0015] In the above technical solution, the motor drives the lead screw to rotate, which in turn causes the two sets of movable rods and the calibration rod to move closer to each other.

[0016] Preferably, the rotating assembly includes a sleeve, which is mounted on the top of the L-shaped mounting bracket through a bearing. The vertical rod is located in the sleeve, and the cross-section of the vertical rod and the inner wall of the sleeve are both polygonal. A second motor is fixed below the top of the L-shaped mounting bracket, and a pulley is provided at the output end of the second motor. The pulley is connected to the sleeve through a belt.

[0017] In the above technical solution, the motor drives the pulley to rotate, which in turn drives the sleeve to rotate via the belt. The sleeve, with its polygonal inner wall, transmits torque to the vertical rod, which has a polygonal cross-section, and drives the vertical rod to rotate. This allows the horizontal rod and the calibration rod to rotate, so that the front and rear ends of the core plate can be calibrated after the left and right ends of the core plate are calibrated. Furthermore, since the sleeve and the vertical rod are not fixedly connected, the vertical rod can also move vertically within the sleeve.

[0018] Preferably, the lifting assembly includes a cylinder, which is fixed to the top of the L-shaped mounting bracket, and a connecting plate is fixed to the output end of the cylinder. The connecting plate is rotatably connected to the vertical rod through a bearing.

[0019] In the above technical solution, the cylinder drives the connecting plate to move vertically, which in turn drives the vertical rod and the horizontal plate to move vertically. When the vertical rod rotates, its top also rotates on the connecting plate, which serves to connect the vertical rod.

[0020] Preferably, the lateral movement assembly includes a third motor, which is fixed to the side of the base plate, and the output end of the third motor is connected to a second lead screw. The second lead screw is installed on the top of the base plate and passes through an L-shaped mounting bracket and is threadedly connected to it. The bottom of the L-shaped mounting bracket is slidably connected to the top of the base plate.

[0021] In the above technical solution, the motor drives the lead screw to rotate, which in turn drives the L-shaped mounting bracket to move laterally so that the vertical rod can be moved to align with the center point of the copper foil. After calibration, the L-shaped mounting bracket can be moved to the side of the copper foil for subsequent pressing operations.

[0022] Compared with the prior art, the beneficial effects of this utility model are: this multilayer circuit board interlayer alignment calibration device,

[0023] (1) The vertical rod is lowered by the lifting component to align the calibration rod with the core board. Then, the two sets of movable rods are brought closer together by the drive component. At the same time, the calibration rod at the bottom of the movable rod is inserted between the two sets of copper foils and pushes the left and right ends of the core board for calibration. Then, the vertical rod and the horizontal plate are rotated by the rotating component so that the calibration rod pushes the front and rear ends of the core board for calibration. This makes the core board and copper foil centered. Compared with manual measurement and calibration, this calibration method is more convenient, has higher calibration accuracy and improves calibration efficiency, which helps to improve production efficiency.

[0024] (2) Since the core board size determines the spacing between the two sets of copper foils in the pressing operation, the calibration rod can be pulled out of the slot by rotating the bolt to remove it. This makes it easy to replace the calibration rod so that it can be used to calibrate core boards of different thicknesses. The rubber pad on the calibration rod can prevent damage to the core board when pushing it, thus improving its practicality. Attached Figure Description

[0025] Figure 1 This is a front view structural diagram of the present invention;

[0026] Figure 2 This is a top view of the base plate structure of this utility model;

[0027] Figure 3 This is a schematic diagram of the horizontal plate structure of this utility model;

[0028] Figure 4 This is a top view of the vertical rod and sleeve structure of this utility model.

[0029] In the diagram: 1. Base plate, 2. L-shaped mounting bracket, 3. L-shaped limit block, 4. Vertical rod, 5. Horizontal plate, 6. Movable rod, 7. Slot, 8. Calibration rod, 9. Bolt, 10. Rubber pad, 11. Drive assembly, 1101. Motor 1, 1102. Lead screw 1, 12. Rotation assembly, 1201. Sleeve, 1202. Motor 2, 1203. Pulley, 13. Lifting assembly, 1301. Cylinder, 1302. Connecting plate, 14. Lateral movement assembly, 1401. Motor 3, 1402. Lead screw 2. Detailed Implementation

[0030] 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.

[0031] Please see Figure 1-4 This utility model provides a technical solution: a multilayer circuit board interlayer alignment calibration device, such as... Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, an L-shaped mounting bracket 2 is provided at one end of the top of the base plate 1, and multiple sets of L-shaped limiting blocks 3 are provided at the other end of the top of the base plate 1. A vertical rod 4 is provided through the L-shaped mounting bracket 2, and a horizontal plate 5 is fixed at the bottom of the vertical rod 4. Movable rods 6 are provided at both ends of the bottom of the horizontal plate 5, and a calibration rod 8 is provided horizontally at the bottom of the movable rod 6.

[0032] A drive assembly 11 is provided on the horizontal plate 5. The drive assembly 11 is used to drive the movable rod 6 to move laterally.

[0033] The L-shaped mounting bracket 2 is equipped with a rotating component 12, which is used to drive the vertical rod 4 and the horizontal plate 5 to rotate.

[0034] The L-shaped mounting bracket 2 is also equipped with a lifting assembly 13, which is used to drive the vertical rod 4 and the horizontal plate 5 to move vertically.

[0035] A transverse moving component 14 is provided on the base plate 1. The transverse moving component 14 is used to drive the L-shaped mounting bracket 2 to move laterally.

[0036] like Figure 1 and Figure 3 As shown, the bottom of the movable rod 6 is provided with a slot 7, one end of the calibration rod 8 is located in the slot 7, and the other end of the calibration rod 8 is fixed with a rubber pad 10. The bottom of the movable rod 6 is provided with a bolt 9.

[0037] like Figure 1 and Figure 3 As shown, the drive assembly 11 includes a motor 1101, which is fixed to the side of the horizontal plate 5. A lead screw 1102 is installed at the bottom of the horizontal plate 5. The lead screw 1102 passes through the movable rod 6 and is threadedly connected to it. The top of the movable rod 6 is slidably connected to the bottom of the horizontal plate 5.

[0038] like Figure 1 and Figure 4 As shown, the rotating assembly 12 includes a sleeve 1201, which is mounted on the top of the L-shaped mounting bracket 2 through a bearing. The vertical rod 4 is located in the sleeve 1201, and the cross-section of the vertical rod 4 and the inner wall of the sleeve 1201 are both polygonal. A second motor 1202 is fixed below the top of the L-shaped mounting bracket 2, and a pulley 1203 is provided at the output end of the second motor 1202. The pulley 1203 is connected to the sleeve 1201 through a belt.

[0039] like Figure 1 As shown, the lifting assembly 13 includes a cylinder 1301, which is fixed to the top of the L-shaped mounting bracket 2. A connecting plate 1302 is fixed to the output end of the cylinder 1301, and the connecting plate 1302 is rotatably connected to the vertical rod 4 through a bearing.

[0040] like Figure 1 As shown, the transverse component 14 includes a motor 1401, which is fixed to the side of the base plate 1. The output end of the motor 1401 is connected to a lead screw 1402. The lead screw 1402 is installed on the top of the base plate 1 and passes through the L-shaped mounting bracket 2 and is threadedly connected to it. The bottom of the L-shaped mounting bracket 2 is slidably connected to the top of the base plate 1.

[0041] Working principle: In use, first place a layer of copper foil between multiple sets of L-shaped limiting blocks 3, then place the core plate, and finally place another layer of copper foil on top of the core plate. Then, turn on motor 3 1401 to drive lead screw 2 1402 to rotate, causing lead screw 2 1402 to move the L-shaped mounting bracket 2 laterally towards the end closer to the copper foil, and move the vertical rod 4 to align with the midpoint of the copper foil. Then, turn on cylinder 1301 to lower connecting plate 1302, causing connecting plate 1302 to lower the vertical rod 4, horizontal plate 5, movable rod 6, and calibration rod 8, aligning the position of calibration rod 8 with the core plate between the two sets of copper foil. Then, turn on motor 1101 to drive lead screw 1102 to rotate, causing lead screw 1102 to move the two... The movable rods 6 are brought closer together, and the calibration rods 8 at the bottom of the two movable rods 6 are inserted between the two sets of copper foils and push the core plate inside to the left and right ends for calibration. After left and right calibration, the position of the movable rods 6 is reset. Then, the motor 1202 is turned on to drive the pulley 1203 to rotate, so that the pulley 1203 drives the sleeve 1201 to rotate through the belt. The sleeve 1201 drives the vertical rod 4 to rotate, and drives the horizontal rod 5 and the calibration rod 8 to rotate, so that the calibration rod 8 corresponds to the front and rear ends of the core plate. Then, the motor 1101 is turned on again to drive the lead screw 1102 to rotate, so that the lead screw 1102 drives the two movable rods 6 to move closer together, so that the front and rear ends of the core plate can be calibrated.

[0042] This completes the entire operation, and anything not described in detail in this specification is prior art known to those skilled in the art.

[0043] The terms “center,” “longitudinal,” “lateral,” “front,” “rear,” “left,” “right,” “vertical,” “horizontal,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing this utility model and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this utility model.

[0044] Although the present invention 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 the present invention should be included within the protection scope of the present invention.

Claims

1. A multilayer circuit board interlayer alignment calibration device, comprising a base plate (1), characterized in that: one end of the top of the base plate (1) is provided with an L-shaped mounting frame (2), and the other end of the top of the base plate (1) is provided with a plurality of groups of L-shaped limiting blocks (3), a vertical rod (4) is provided through the L-shaped mounting frame (2), and the bottom of the vertical rod (4) is fixed with a horizontal plate (5), the bottom of the horizontal plate (5) is provided with a movable rod (6), and the bottom of the movable rod (6) is provided with a calibration rod (8) transversely; the horizontal plate (5) is provided with a driving assembly (11), which is used to drive the movable rod (6) to move horizontally; the L-shaped mounting frame (2) is provided with a rotating assembly (12), which is used to drive the vertical rod (4) and the horizontal plate (5) to rotate; the L-shaped mounting frame (2) is also provided with a lifting assembly (13), which is used to drive the vertical rod (4) and the horizontal plate (5) to move vertically; the base plate (1) is provided with a horizontal moving assembly (14), which is used to drive the L-shaped mounting frame (2) to move horizontally. A clamping groove (7) is formed in the bottom of the movable rod (6), one end of the calibration rod (8) is located in the clamping groove (7), and the other end of the calibration rod (8) is fixed with a rubber pad (10), and the bottom of the movable rod (6) is provided with a bolt (9). The driving assembly (11) comprises a motor one (1101), the motor one (1101) is fixed on the side of the horizontal plate (5), a lead screw one (1102) is installed on the bottom of the horizontal plate (5), the lead screw one (1102) is screwed with the movable rod (6) through the movable rod (6), and the top of the movable rod (6) is slidably connected with the bottom of the horizontal plate (5). The rotating assembly (12) comprises a sleeve (1201), the sleeve (1201) is installed through the bearing on the top of the L-shaped mounting frame (2), the vertical rod (4) is located in the sleeve (1201), and the cross section of the vertical rod (4) and the inner wall of the sleeve (1201) are both polygonal, a motor two (1202) is fixed below the top of the L-shaped mounting frame (2), a belt pulley (1203) is arranged on the output end of the motor two (1202), and the belt pulley (1203) is connected with the sleeve (1201) through a belt. The lifting assembly (13) comprises a gas cylinder (1301), the gas cylinder (1301) is fixed through the top of the L-shaped mounting frame (2), a connecting plate (1302) is fixed on the output end of the gas cylinder (1301), and the connecting plate (1302) is rotatably connected with the vertical rod (4) through a bearing. The horizontal moving assembly (14) comprises a motor three (1401), the motor three (1401) is fixed on the side of the base plate (1), the output end of the motor three (1401) is connected with a lead screw two (1402), the lead screw two (1402) is installed on the top of the base plate (1), the lead screw two (1402) is screwed with the L-shaped mounting frame (2) through the L-shaped mounting frame (2), and the bottom of the L-shaped mounting frame (2) is slidably connected with the top of the base plate (1).

2. The device according to claim 1, wherein: ​ 3. The device according to claim 1, wherein: ​ 4. The device according to claim 1, wherein: ​ 5. The device according to claim 1, wherein: ​ 6. The device according to claim 1, wherein: ​

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