Tool for hole site detection

Abstract

The utility model relates to the technical field of hole site detection, in particular to a tool for hole site detection, which comprises a workbench, the top end of the workbench is provided with a fixed frame, and the middle part of the workbench is provided with a clamping structure; the detection structure is fixedly mounted in the middle of the fixed frame; compared with the prior art, by arranging the clamping structure, the to-be-detected workpiece can be positioned and clamped, so that the hole sites of the to-be-detected workpiece are in one-to-one correspondence with the light and shadow sensors, detection result errors caused by the dislocation phenomenon are avoided, and the detection accuracy of the detection structure can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hole position detection, in particular to a tool for hole position detection. Background Art

[0002] Hole position detection AOI is mainly used to detect various through holes, strip slots, etc. in the manufacturing process of high-layer PCB, such as TH, VIA, PTH, SLOT, and high-frequency and high-speed signal backplanes. The quality defects caused by the removal of stub-controlled deep drilling process. The THS-AOI system uses the patented telecentric imaging principle, supplemented by backlight illumination for comprehensive imaging, to adapt to various surface morphologies after drilling; at the same time, it obtains 2D color images with high depth of field and low distortion; based on CAM data, it can effectively and quickly detect the hole surface of each through hole / back-drilled hole, upper and lower hole eccentricity, hole diameter, slot length and width, relative roundness and other data, providing users with an efficient and high-speed detection solution for checking the quality of through holes (Through / Slot Hole).

[0003] In the process of hole position detection, it is often necessary to align the hole position with the image forming equipment, otherwise the image forming equipment and the hole position will not be aligned, resulting in detection errors. Therefore, accurate fixation of the workpiece to be inspected is a relatively important step. Utility Model Content

[0004] The purpose of the utility model is to provide a tool for hole position detection to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] A tool for hole position detection, the tool for hole position detection comprising:

[0007] A workbench, wherein a fixed frame is arranged at the top of the workbench, and a clamping structure is arranged in the middle of the workbench, and the clamping structure is used to clamp and fix the inspection workpiece;

[0008] The detection structure is fixedly installed in the middle of the fixed frame and is used to perform qualified detection of hole positions of the workpiece to be inspected.

[0009] As a further solution of the utility model: the clamping structure includes:

[0010] A forward and reverse lead screw, wherein the forward and reverse lead screw is rotatably connected to the inside of the workbench;

[0011] The adjusting block is slidably connected to the inside of the workbench and threadedly matched with the forward and reverse lead screws. A connecting rod is fixedly installed on the top of the adjusting block, and one end of the connecting rod passes through the workbench and is fixedly connected to a fixing plate.

[0012] As another solution of the utility model: the detection structure includes:

[0013] A cylinder, wherein the cylinder is fixedly mounted on the top of the fixed frame, a detection plate is fixedly mounted on the telescopic end of the cylinder, and a first warning light and a second warning light are arranged on the side of the detection plate;

[0014] A mounting bracket, wherein the mounting bracket is fixedly mounted inside the detection plate, an adjusting rod is hingedly provided at one end of the mounting bracket, an armature is provided at one end of the adjusting rod, an adjusting contact is provided at the end of the armature away from the adjusting rod, an elastic member is provided at one end of the adjusting rod, and both ends of the elastic member are fixedly connected to the mounting bracket and the adjusting rod respectively;

[0015] An electromagnetic coil, wherein the electromagnetic coil is fixedly installed inside the detection board, a second control power supply and a light and shadow sensor are fixedly installed inside the detection board, and the electromagnetic coil, the second control power supply and the light and shadow sensor are connected through a second connecting wire;

[0016] Fixed contact one and fixed contact two, the fixed contact one and fixed contact two are fixedly installed inside the detection board, a control power supply one is fixedly installed inside the detection board, the fixed contact one, the control power supply one and the first warning light are connected through a connecting wire one, and the fixed contact two, the control power supply one and the second warning light are connected through a connecting wire one.

[0017] As a further solution of the utility model: a control panel is fixedly mounted on one end of the outside of the workbench, and the output end of the control panel is electrically connected to the input end of the cylinder and the forward and reverse lead screws.

[0018] As a further solution of the utility model: a support base is fixedly installed at one end of the workbench located on the ground, and the support base is symmetrically arranged with respect to the workbench.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] Compared with the prior art, by setting up a clamping structure, the workpiece to be inspected can be positioned and clamped, so that the hole positions of the workpiece to be inspected correspond one-to-one with the light and shadow sensor, avoiding misalignment and causing errors in the detection results, and can effectively improve the accuracy of the detection structure detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the tooling for hole position detection of the utility model.

[0022] Figure 2 The figure is a schematic diagram of the internal structure of the workbench in the tooling for hole position detection of the utility model.

[0023] Figure 3The figure is a schematic diagram of the internal structure of the detection plate in the tooling for hole position detection of the utility model.

[0024] In the figure: 1-workbench, 2-fixed frame, 3-detection plate, 4-first warning light, 5-second warning light, 6-cylinder, 7-fixed plate, 8-support base, 9-control panel, 10-positive and negative screws, 11-adjusting block, 12-connecting rod, 13-mounting bracket, 14-adjusting rod, 15-armature, 16-adjusting contact, 17-fixed contact one, 18-fixed contact two, 19-elastic part, 20-connecting wire one, 21-control power supply one, 22-control power supply two, 23-electromagnetic coil, 24-light and shadow sensor, 25-connecting wire two. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-Figure 3 , this embodiment provides a tool for hole position detection, the tool for hole position detection includes:

[0027] A workbench 1, wherein a fixed frame 2 is disposed at the top of the workbench 1, and a clamping structure is disposed in the middle of the workbench 1, wherein the clamping structure is used to clamp and fix the inspection workpiece;

[0028] A detection structure, which is fixedly installed in the middle of the fixed frame 2 and is used to perform a qualified detection of the hole position of the workpiece to be inspected;

[0029] Compared with the prior art, by setting up a clamping structure, the workpiece to be inspected can be positioned and clamped, so that the hole position of the workpiece to be inspected corresponds to the light and shadow sensor 24 one by one, avoiding misalignment and causing errors in the detection results, and can effectively improve the accuracy of the detection structure detection.

[0030] See also Figure 1-Figure 2 In one embodiment, the clamping structure comprises:

[0031] A forward and reverse lead screw 10, wherein the forward and reverse lead screw 10 is rotatably connected to the inside of the workbench 1;

[0032] An adjusting block 11, wherein the adjusting block 11 is slidably connected to the inside of the workbench 1 and is threadedly matched with the forward and reverse lead screws 10, a connecting rod 12 is fixedly installed on the top of the adjusting block 11, and one end of the connecting rod 12 passes through the workbench 1 and is fixedly connected to a fixing plate 7;

[0033] See also Figure 1-Figure 2 In one embodiment, a control panel 9 is fixedly mounted on one end of the outside of the workbench 1, and an output end of the control panel 9 is electrically connected to an input end of a forward and reverse lead screw 10;

[0034] When it is necessary to perform hole position detection on the workpiece to be inspected, the workpiece to be inspected is placed on the upper end of the workbench 1, and the rotation of the forward and reverse screws 10 inside the workbench 1 is controlled by the control panel 9. Due to the threaded fit between the forward and reverse screws 10 and the adjusting block 11, the rotation of the forward and reverse screws 10 can make the adjusting blocks 11 at both ends move in different directions along the axis of the forward and reverse screws 10, thereby driving the connecting rod 12 and the fixed plate 7 to move accordingly. Through the movement of the fixed plate 7, the clamping and fixation of the workpiece to be inspected can be completed.

[0035] See also Figure 1 and Figure 3 In one embodiment, the detection structure comprises:

[0036] A cylinder 6, wherein the cylinder 6 is fixedly mounted on the top of the fixed frame 2, a detection plate 3 is fixedly mounted on the telescopic end of the cylinder 6, and a first warning light 4 and a second warning light 5 are arranged on the side of the detection plate 3;

[0037] A mounting bracket 13, wherein the mounting bracket 13 is fixedly mounted inside the detection plate 3, an adjusting rod 14 is hingedly provided at one end of the mounting bracket 13, an armature 15 is provided at one end of the adjusting rod 14, an adjusting contact 16 is provided at one end of the armature 15 away from the adjusting rod 14, an elastic member 19 is provided at one end of the adjusting rod 14, and both ends of the elastic member 19 are fixedly connected to the mounting bracket 13 and the adjusting rod 14 respectively;

[0038] The electromagnetic coil 23 is fixedly installed inside the detection board 3. A second control power supply 22 and a light and shadow sensor 24 are fixedly installed inside the detection board 3. The electromagnetic coil 23, the second control power supply 22 and the light and shadow sensor 24 are connected through a second connecting wire 25;

[0039] A fixed contact 17 and a fixed contact 2 18, wherein the fixed contact 17 and the fixed contact 2 18 are fixedly installed inside the detection board 3, a control power supply 1 21 is fixedly installed inside the detection board 3, the fixed contact 1 17, the control power supply 1 21 and the first warning light 4 are connected through a connecting wire 1 20, and the fixed contact 2 18, the control power supply 1 21 and the second warning light 5 are connected through a connecting wire 1 20;

[0040] See also Figure 1 and Figure 3 In one embodiment, a control panel 9 is fixedly mounted on one end of the outside of the workbench 1, and an output end of the control panel 9 is electrically connected to an input end of the cylinder 6;

[0041] See also Figure 1 In one embodiment, a support base 8 is fixedly installed at one end of the workbench 1 located on the ground, and the support base 8 is symmetrically arranged with respect to the workbench 1. By setting the support base 8, the entire device can be stably placed on the ground.

[0042] After the clamping and fixing of the workpiece to be inspected is completed, the cylinder 6 is controlled to be extended and retracted through the control panel 9, and the extension and retraction of the cylinder 6 drives the detection plate 3 to move vertically. As the detection plate 3 moves, when the detection plate 3 fits with the workpiece to be inspected, through the light and shadow sensor 24 set at the fitting end of the detection plate 3 and the workpiece to be inspected, when the hole position of the workpiece to be inspected is unqualified, through the action of the light and shadow sensor 24, the circuit of the connecting wire 25 where the control power supply 22 is located can be in a closed state, thereby making the electromagnetic coil 23 magnetic, and the magnetic electromagnetic coil 23 can attract the armature 15, so that the adjusting rod 14 rotates around the middle of the mounting bracket 13, and at this time the elastic member 19 undergoes tensile deformation. , and by attracting the armature 15, the adjusting contact 16 can be brought into contact with the second contact, thereby making the partial circuit where the second warning light 5 is located in a conducting state, and by the lighting of the second warning light 5, it can be determined that the hole position of the workpiece to be detected is unqualified. When the hole position of the workpiece to be detected is qualified, through the action of the light and shadow sensor 24, the circuit of the connecting wire 25 where the control power supply 22 is located can be in an open circuit state, and by the disconnection of the connecting wire 25, the adjusting contact 16 and the fixed contact 17 can be brought into contact, thereby making the partial circuit where the first warning light 4 is located in a conducting state, and by the lighting of the first warning light 4, it can be determined that the hole position of the workpiece to be detected is qualified.

[0043] The working principle of the utility model is:

[0044] In the present embodiment, when it is necessary to detect the hole position of the workpiece to be detected, the workpiece to be detected is placed on the upper end of the workbench 1, and the rotation of the forward and reverse screws 10 inside the workbench 1 is controlled by the control panel 9. Due to the threaded fit between the forward and reverse screws 10 and the adjusting blocks 11, the rotation of the forward and reverse screws 10 can make the adjusting blocks 11 at both ends move in different directions along the axis of the forward and reverse screws 10, thereby driving the connecting rod 12 and the fixing plate 7 to move accordingly. Through the movement of the fixing plate 7, the clamping and fixing of the workpiece to be detected can be completed. After the clamping and fixing of the workpiece to be detected is completed, the cylinder 6 is controlled to be extended and retracted through the control panel 9, and the extension and retraction of the cylinder 6 drives the detection plate 3 to move vertically. With the movement of the detection plate 3, when the detection plate 3 is fitted with the workpiece to be detected, the light and shadow sensor 24 set at the fitting end of the detection plate 3 and the workpiece to be detected, when the hole position of the workpiece to be detected is unqualified, the control power supply 22 can be controlled through the action of the light and shadow sensor 24. The circuit of the connecting wire 25 is in a closed state, so that the electromagnetic coil 23 is magnetic, and the electromagnetic coil 23 with magnetism can attract the armature 15, so that the adjusting rod 14 rotates around the middle of the mounting bracket 13. At this time, the elastic member 19 undergoes tensile deformation, and by attracting the armature 15, the adjusting contact 16 can be brought into contact with the second contact, so that the partial circuit where the second warning light 5 is located is in a conducting state, and by the lighting of the second warning light 5, it can be judged that the hole position of the workpiece to be inspected is unqualified. When the hole position of the workpiece to be inspected is qualified, through the action of the light and shadow sensor 24, the circuit of the connecting wire 25 where the control power supply 22 is located can be in an open circuit state, and by the disconnection of the connecting wire 25, the adjusting contact 16 and the fixed contact 17 can be brought into contact, so that the partial circuit where the first warning light 4 is located is in a conducting state, and by the lighting of the first warning light 4, it can be judged that the hole position of the workpiece to be inspected is qualified.

[0045] Of course, for those skilled in the art, the present invention is not limited to the details of the exemplary embodiments described above, but also includes the same or similar structures that can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to include all changes that fall within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0046] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0047] The technology, shape and structure parts not described in detail in the present invention are all known technologies.

Claims

1. A tool for hole position detection, characterized in that: The hole position detection tooling comprises: A workbench, wherein a fixed frame is arranged at the top of the workbench, and a clamping structure is arranged in the middle of the workbench, and the clamping structure is used to clamp and fix the inspection workpiece; The detection structure is fixedly installed in the middle of the fixed frame and is used to perform qualified detection of hole positions of the workpiece to be detected.

2. The hole position detection tool according to claim 1, characterized in that: The clamping structure comprises: A forward and reverse lead screw, wherein the forward and reverse lead screw is rotatably connected to the inside of the workbench; The adjusting block is slidably connected to the inside of the workbench and threadedly matched with the forward and reverse lead screws. A connecting rod is fixedly installed on the top of the adjusting block, and one end of the connecting rod passes through the workbench and is fixedly connected to a fixing plate.

3. The hole position detection tool according to claim 2, characterized in that: The detection structure comprises: A cylinder, wherein the cylinder is fixedly mounted on the top of the fixed frame, a detection plate is fixedly mounted on the telescopic end of the cylinder, and a first warning light and a second warning light are arranged on the side of the detection plate; A mounting bracket, wherein the mounting bracket is fixedly mounted inside the detection plate, an adjusting rod is hingedly provided at one end of the mounting bracket, an armature is provided at one end of the adjusting rod, an adjusting contact is provided at the end of the armature away from the adjusting rod, an elastic member is provided at one end of the adjusting rod, and both ends of the elastic member are fixedly connected to the mounting bracket and the adjusting rod respectively; An electromagnetic coil, wherein the electromagnetic coil is fixedly installed inside the detection board, a second control power supply and a light and shadow sensor are fixedly installed inside the detection board, and the electromagnetic coil, the second control power supply and the light and shadow sensor are connected through a second connecting wire; Fixed contact one and fixed contact two, the fixed contact one and fixed contact two are fixedly installed inside the detection board, a control power supply one is fixedly installed inside the detection board, the fixed contact one, the control power supply one and the first warning light are connected through a connecting wire one, and the fixed contact two, the control power supply one and the second warning light are connected through a connecting wire one.

4. The hole position detection tool according to claim 3, characterized in that: A control panel is fixedly mounted on one end of the exterior of the workbench, and an output end of the control panel is electrically connected to an input end of the cylinder and a forward and reverse lead screw.

5. The hole position detection tool according to claim 1 or 2, characterized in that: A support base is fixedly installed at one end of the workbench located on the ground, and the support base is symmetrically arranged with respect to the workbench.

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