Rigid-flex printed board vent hole opening device

Abstract

The utility model provides an exhaust hole punching device for a rigid-flex printed board, and solves the technical problem that the existing rigid-flex printed board is easy to swell when being dried by hot air. Comprising a bottom plate provided with a first sliding groove and a second sliding groove; the supporting assembly comprises two supporting frames which are oppositely arranged and provided with first sliding blocks, one supporting frame is provided with a butt joint block, the other supporting frame is provided with a butt joint groove, the butt joint block can be clamped in the butt joint groove, and the two supporting frames are slidably connected to the first sliding grooves; the clamping assembly comprises two clamping pieces which are oppositely arranged and each provided with a second sliding block, and the two clamping pieces are slidably connected to the second sliding groove; the trepanning assembly is arranged above the supporting assembly and the clamping assembly and comprises a drill bit capable of reciprocating in the vertical direction, and the drill bit is electrically connected with the electric conduction detection system; and the control device is electrically connected with the drill bit, so that the rigid-flex printed board is perforated, and drying bumps are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of printed circuit board hole opening devices, in particular to a rigid-flexible printed circuit board exhaust hole opening device. Background Art

[0002] A rigid-flex board is a combination of a soft board and a hard board. It is a circuit board formed by combining a thin layer of flexible bottom layer and a rigid bottom layer, and then laminating them into a single component.

[0003] There is a gap between the rigid board and the flexible board of the rigid-flexible printed circuit board, and the gap is filled with gas. When it is dried with high-temperature hot air, the temperature can reach 250 degrees Celsius, and the expansion of the gas in the gap will cause bulging problems. Utility Model Content

[0004] The utility model aims to provide a device for opening exhaust holes of a rigid-flexible printed circuit board, so as to solve the technical problem that the rigid-flexible printed circuit board is prone to bulging during hot air drying.

[0005] The embodiments of the present invention are implemented by the following technical solutions:

[0006] A device for opening an exhaust hole of a rigid-flexible printed circuit board, comprising a base plate, a supporting assembly, a clamping assembly, an opening assembly and a control device;

[0007] The bottom plate is provided with a first sliding groove and a second sliding groove;

[0008] The support assembly comprises two support frames which are arranged opposite to each other and each of which is provided with a first sliding block, wherein one of the support frames is provided with a docking block, and the other support frame is provided with a docking groove, wherein the docking block can be clamped in the docking groove, and the two support frames are both slidably connected to the first sliding groove;

[0009] The clamping assembly comprises two clamping members which are arranged opposite to each other and each of which is provided with a second sliding block, and the two clamping members are both slidably connected to the second sliding groove;

[0010] The hole opening assembly is arranged above the supporting assembly and the clamping assembly, and comprises a drill bit that can reciprocate in a vertical direction, and the drill bit is electrically connected to a conductive detection system;

[0011] The control device is electrically connected to the drill bit.

[0012] In some embodiments, a first tension spring is provided between the two support frames.

[0013] In some embodiments, a second tension spring is provided between the two clamping members.

[0014] In some embodiments, a suction assembly is further included, wherein the suction assembly includes a suction tube close to the supporting assembly and the clamping assembly.

[0015] In some embodiments, the two support frames each include a support rod body and a vertical plate and a horizontal plate arranged vertically, wherein one of the horizontal plates is provided with a docking groove, and the other horizontal plate is provided with a docking block.

[0016] In some embodiments, the support frame further includes a reinforcing rod connecting the cross plate and the support rod body.

[0017] In some embodiments, the reinforcing rods are provided in plurality and are symmetrically arranged along the axial direction of the supporting rod body.

[0018] The technical solution of the embodiment of the utility model has at least the following advantages and beneficial effects:

[0019] (1) The drill bit is electrically connected to a conductive detection system, which can determine the degree of drilling by the difference in conductivity between the rigid board and the flexible board, so as to control the depth.

[0020] (2) A suction component is provided to suck away the dust generated by drilling to avoid environmental pollution.

[0021] (3) A support assembly is provided to support the printed circuit board, and a clamping assembly is combined to limit the printed circuit board, thereby controlling the spatial position of the printed circuit board.

[0022] (4) The utility model has reasonable design, simple structure and good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 A schematic diagram of the internal structure of the vent hole opening device for a rigid-flexible printed circuit board provided by an embodiment of the utility model;

[0025] Figure 2 A schematic diagram of the use of the vent hole opening device for a rigid-flexible printed circuit board provided by an embodiment of the utility model;

[0026] icon:

[0027] 100, bottom plate;

[0028] 210, support frame; 220, first tension spring;

[0029] 310, clamping member; 320, second tension spring;

[0030] 400, suction assembly;

[0031] 510. Drill bit. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0033] Example

[0034] The embodiment of the present application provides a device for opening exhaust holes in a rigid-flexible printed circuit board to solve the current technical problem that rigid-flexible printed circuit boards are prone to bulging during hot air drying.

[0035] See also Figure 1 as well as Figure 2 The vent hole opening device for a rigid-flexible printed circuit board provided in an embodiment of the present application includes a base plate 100, a supporting component, a clamping component, a hole opening component and a control device.

[0036] The bottom plate 100 is provided with a first sliding groove and a second sliding groove to provide a sliding orientation. In some embodiments, the first sliding groove extends along the x direction, and the second sliding groove extends along the y direction. In some embodiments, two first sliding grooves are provided, and two second sliding grooves are provided;

[0037] A support assembly includes two support frames 210 that are relatively arranged and each of which is provided with a first slider, wherein one of the support frames 210 is provided with a docking block, and the other support frame 210 is provided with a docking groove, and the docking block can be clamped in the docking groove. Both support frames 210 are slidably connected to the first sliding grooves. In some embodiments, the two support frames 210 are slidably connected to the two first sliding grooves, respectively, and can reciprocate along the extension direction of the first sliding grooves. In some embodiments, the two support frames 210 move relatively to get closer to or farther away from each other. In some embodiments, the support assembly supports the bottom and side surfaces of the printed circuit board;

[0038] A clamping assembly, comprising two clamping members 310 which are arranged opposite to each other and each of which is provided with a second sliding block. The two clamping members 310 are both slidably connected to the second sliding groove and can reciprocate along the extension direction of the second sliding groove to limit the printed circuit board. In some embodiments, the clamping assembly abuts against the side of the printed circuit board when in use. In some embodiments, the two clamping members 310 are respectively slidably connected to the two second sliding grooves. In some embodiments, the clamping member 310 comprises a clamping rod body and a clamping plate connected to the clamping rod body.

[0039] The hole-drilling assembly is disposed above the supporting assembly and the clamping assembly, and includes a drill bit 510 that can reciprocate in the vertical direction. The drill bit 510 is electrically connected to the conductive detection system, and the degree of drilling can be determined by the different conductivity of the rigid plate and the flexible plate to control the depth;

[0040] The control device is electrically connected to the drill bit 510 to control the operation of the drill bit 510 .

[0041] In some embodiments, a first tension spring 220 is disposed between the two support frames 210 to clamp the printed circuit board.

[0042] In some embodiments, a second tension spring 320 is disposed between the two clamping members 310 to clamp the printed circuit board.

[0043] In some embodiments, a suction assembly 400 is also included, and the suction assembly 400 includes a suction pipe close to the support assembly and the clamping assembly to suck dust. In some embodiments, the support assembly is provided with a support surface, and the clamping assembly is provided with a clamping surface, and the suction pipe is close to the support surface and the clamping surface.

[0044] In some embodiments, the two support frames 210 each include a support rod body and vertically arranged vertical plates and horizontal plates, wherein one horizontal plate is provided with a docking groove and the other horizontal plate is provided with a docking block. In some embodiments, the vertical plates and horizontal plates limit the printed circuit board in the y and z directions.

[0045] In some embodiments, the support frame 210 further includes a reinforcing rod connecting the cross plate and the support rod body to increase the supporting effect. The reinforcing rod is tilted and connected to the bottom of the cross plate and the side of the support rod body.

[0046] In some embodiments, a plurality of reinforcing rods are provided, which are symmetrically arranged along the axis of the supporting rod body to uniformly strengthen the supporting effect;

[0047] In some embodiments, the conductive control system is electrically connected to the control device.

[0048] The following is a detailed description of the use process of the rigid-flexible printed circuit board exhaust hole opening device of the present application:

[0049] See also Figure 2When in use, place the printed circuit board between the two support frames 210, adjust the relative movement of the two clamps 310 until they abut against the edge of the printed circuit board, and control the drill bit 510 to extend and retract in the vertical direction to punch holes in the printed circuit board. Due to the different conductivity of the rigid board and the flexible board, the conductivity detection system performs real-time detection to control the operation of the drill bit 510 through the control device to prevent the drilling from being too deep or too shallow.

[0050] The vent hole opening device for a rigid-flexible printed circuit board of the present application has at least the following advantages:

[0051] (1) The drill bit is electrically connected to a conductive detection system, which can determine the degree of drilling by the difference in conductivity between the rigid board and the flexible board, so as to control the depth.

[0052] (2) A suction component is provided to suck away the dust generated by drilling to avoid environmental pollution.

[0053] (3) A support assembly is provided to support the printed circuit board, and a clamping assembly is combined to limit the printed circuit board, thereby controlling the spatial position of the printed circuit board.

[0054] (4) The utility model has reasonable design, simple structure and good practicality.

[0055] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A device for opening a vent hole in a rigid-flex printed circuit board, characterized in that: include: A bottom plate, provided with a first sliding groove and a second sliding groove; A support assembly, comprising two support frames arranged opposite to each other and each provided with a first sliding block, wherein one of the support frames is provided with a docking block, and the other support frame is provided with a docking groove, wherein the docking block can be clamped in the docking groove, and the two support frames are both slidably connected to the first sliding groove; The clamping assembly comprises two clamping members which are arranged opposite to each other and each of which is provided with a second sliding block, and the two clamping members are both slidably connected to the second sliding groove; A hole-drilling assembly is disposed above the supporting assembly and the clamping assembly and comprises a drill bit that can reciprocate in a vertical direction, and the drill bit is electrically connected to a conductive detection system; A control device is electrically connected to the drill bit.

2. The vent hole opening device for a rigid-flex printed circuit board according to claim 1, characterized in that: A first tension spring is arranged between the two support frames.

3. The vent hole opening device for a rigid-flex printed circuit board according to claim 1, characterized in that: A second tension spring is arranged between the two clamping members.

4. The vent hole opening device for a rigid-flexible printed circuit board according to any one of claims 1 to 3, characterized in that: Also included is a suction assembly, which includes a suction tube adjacent to the support assembly and the clamping assembly.

5. The vent hole opening device for a rigid-flexible printed circuit board according to any one of claims 1 to 3, characterized in that: The two support frames each include a support rod body and a vertical plate and a horizontal plate that are vertically arranged. One of the horizontal plates is provided with a docking groove, and the other horizontal plate is provided with a docking block.

6. The vent hole opening device for a rigid-flexible printed circuit board according to claim 5, characterized in that: The support frame also includes a reinforcing rod connecting the transverse plate and the support rod body.

7. The vent hole opening device for a rigid-flex printed circuit board according to claim 6, characterized in that: The reinforcing rods are provided in plurality and are symmetrically arranged along the axial direction of the supporting rod body.

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