Jig for PCB drill point detection

By designing a multifunctional PCB drill bit inspection fixture, the problems of low inspection efficiency and poor safety in the existing technology are solved, and efficient inspection of multiple parts of the drill bit is achieved.

CN223856339UActive Publication Date: 2026-01-30HPTEC CHINA LTD
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Patent Information

Application Number
CN202520483723.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-19
Publication Date
2026-01-30
Estimated Expiration
2035-03-19

AI Technical Summary

Technical Problem

Existing PCB drill bit inspection methods require frequent fixture changes, resulting in low inspection efficiency and the risk of collisions. They cannot simultaneously meet the requirements for efficient inspection of drill bit peripheral edges, end edges, and drill hole sections.

Method used

Design a PCB drill bit inspection fixture, comprising a first inspection unit and a second inspection unit. The first inspection unit is used for positioning drill bit slices and end-edge inspection, and the second inspection unit is used for peripheral edge and peripheral edge bevel inspection. The two are connected to achieve multi-functional inspection.

Benefits of technology

It achieves efficient inspection of drill bit peripheral cutting edge, end cutting edge and drill hole section simultaneously, reduces the frequency of fixture replacement, and improves inspection efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223856339U_ABST
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Abstract

The utility model discloses a jig for PCB drill point detection, which comprises a base, a first detection unit arranged on the base and a second detection unit arranged on the first detection unit. The first detection unit comprises at least one long slotted hole for positioning a drilling slice and at least one insertion hole which is formed in the side of the long slotted hole and is vertically formed; and the second detection unit is movably connected with the first detection unit and comprises at least one first groove which is horizontally arranged and at least one second groove which is arranged beside the first groove and is obliquely arranged at a certain angle with the horizontal plane. According to the utility model, the second detection unit capable of detecting the circumferential blade and the inclined surface of the circumferential blade is movably connected with the first detection unit capable of drilling, slicing and detecting the end blade, so that the jig can meet the detection of different requirements at the same time, and is simple in structure, high in efficiency and wide in application range.
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Description

TECHNICAL FIELD

[0001] The utility model relates to processing tool technical field, concretely relates to PCB drill needle detects with tool. BACKGROUND

[0002] PCB micro drill needle may appear blade edge collapse, wear and other undesirable blemish in the process of making or using, and using undesirable drill needle can lead to the surface quality of processing product reduces, hole position is not accurate and the undesirable consequences such as burr of hole wall, so the quality of drill needle needs to be strictly controlled, and accurate blemish detection is done.

[0003] But the present drill needle detection perimeter, end edge and drill hole slice adopt different clamping fixtures to clamp the drill needle, so the fixture needs to be frequently replaced according to the detection position when detecting the drill needle, which not only increases the risk of drill needle collision but also reduces the detection efficiency. SUMMARY

[0004] In order to overcome the above-mentioned defects, the utility model provides a kind of tool for PCB drill needle detection, its simple structure can satisfy the detection of perimeter, end edge and drill hole slice of drill needle simultaneously, and wide use range.

[0005] The utility model discloses a kind of tool for PCB drill needle detection, including base, the first detection unit is equipped on the base, and the second detection unit is equipped on the first detection unit;

[0006] The first detection unit includes at least one long slot hole for positioning drill hole slice, and at least one insertion hole vertically arranged on the side of the long slot hole;

[0007] The second detection unit is movably connected with the first detection unit, and includes at least one horizontally arranged first groove, and at least one second groove arranged on the side of the first groove and inclinedly arranged at a certain angle with horizontal surface.

[0008] As a further improvement of the utility model, the first detection unit further includes a first base provided on the base, and the long slot hole and the insertion hole are respectively provided on the horizontal end surface of the first step and the second step of the first base;

[0009] The second detection unit further includes a second base detachably connected with the first step, and the first groove and the second groove are provided on the horizontal end surface of the second base.

[0010] As a further improvement of the utility model, the long slot hole and the jack are respectively provided with multiple, multiple long slot holes are arranged in parallel and interval along the length direction of the first step.

[0011] As a further improvement of the utility model, the first recess and the second recess are respectively provided with multiple, multiple first recesses are arranged in parallel and interval at one end of the length direction of the second base platform.

[0012] Multiple second recesses are arranged in parallel and interval at the other end of the length direction of the second base platform.

[0013] As a further improvement of the utility model, the second recess is arranged in inclination from down to up along the width direction of the second base platform, and the inclination angle is 20 to 35 degrees.

[0014] As a further improvement of the utility model, the horizontal end surface of the first step is higher than the horizontal end surface of the second step.

[0015] The lower end surface of the second base platform is provided with a T-shaped slot hole along the length direction thereof, and the two sides of the width direction of the first step are symmetrically provided with a protruding block matched with the T-shaped slot hole.

[0016] As a further improvement of the utility model, one end of the width direction of the first step is provided with a stop part, and the corresponding end of the second base platform is provided with a notch matched with the stop part.

[0017] As a further improvement of the utility model, the two ends of the lower end surface of the second base platform are respectively provided with an insertion block, and the upper end surface of the first step is provided with an insertion slot matched with the insertion block.

[0018] As a further improvement of the utility model, the four end corners of the base are respectively provided with a countersunk fixing hole, and each countersunk fixing hole is matched with a countersunk screw.

[0019] The utility model discloses the beneficial effects are: through with the second detection unit of being able to inspect the periphery and the periphery inclined surface and the first detection unit of being able to carry out drilling section and end blade inspection movable connection, makes the jig meet the inspection of different needs simultaneously, simple structure, high efficiency, wide use range. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is structural schematic diagram for the utility model embodiment one;

[0021] Fig. 2 It is exploded structural schematic diagram for the utility model embodiment one;

[0022] Fig. 3The structure schematic diagram of positioning the drilling slice for the embodiment one of the utility model;

[0023] Fig. 4 The exploded structure schematic diagram of the embodiment two of the utility model.

[0024] The following description is made in combination with the drawings:

[0025] 1, base; 11, countersunk fixing hole; 12, countersunk screw; 2, first detection unit; 21, long slot hole; 22, insertion hole; 23, first base; 231, first step; 232, second step; 233, protruding block; 234, stop portion; 235, insertion slot; 3, second detection unit; 31, first recess; 32, second recess; 33, second base; 331, T-shaped slot hole; 332, notch; 333, insertion block; 4, drilling slice. DETAILED DESCRIPTION

[0026] The following description is made in combination with the drawings, and a preferred embodiment of the utility model is described in detail.

[0027] Referring to Figs. 1 to 4 The utility model provides a jig for PCB drill detection, the jig includes base 1, is equipped with first detection unit 2 on base 1, and is equipped with second detection unit 3 on first detection unit 2;

[0028] Among them, first detection unit 2 includes at least one long slot hole 21 for positioning drilling slice 4, and at least one insertion hole 22 is arranged on the side of long slot hole 21 and is vertically arranged. Among them, drilling slice refers to drilling on the sheet board using the drill needle to be detected, drilling slice 4 is inserted into long slot hole 21, and the drilling capacity of the drill needle to be detected is confirmed by observing the hole inner wall. The handle diameter of the insertion hole 22 is matched with the drill needle, and the end blade of the drill needle can be inspected by inserting the drill needle into the insertion hole 22.

[0029] Second detection unit 3 is movably connected with first detection unit 2, which includes at least one horizontally arranged first recess 31 and at least one second recess 32 arranged on the side of first recess 31 and inclinedly arranged at a certain angle with the horizontal plane. Among them, first recess 31 and second recess 32 are both arc-shaped grooves matched with the handle profile of the drill needle, when the drill needle is placed on first recess 31 or second recess 32, the blade part is in the state of being suspended, so as to facilitate the inspection of the blade part. When the drill needle is placed in the first recess 31, the peripheral blade surface of the drill needle can be inspected; when the drill needle is placed in the second recess 32, the peripheral blade inclined surface of the drill needle can be inspected.

[0030] The present application can meet different requirements of the inspection by connecting the second detection unit capable of checking the peripheral edge and the peripheral edge bevel with the first detection unit capable of drilling and end edge inspection, and has simple structure, high efficiency and wide application range.

[0031] Referring to Figs. 1 to 3 The utility model provides an embodiment one.

[0032] The long slot hole 21 and the jack 22 of the first detection unit 2 are respectively arranged on the horizontal end faces of the first step 231 and the second step 232 of the first base 23, and the horizontal end face of the first step 231 is higher than that of the second step 232, so as to prevent the drill bit inserted vertically into the jack 22 from interfering with the first step 232.

[0033] A plurality of long slot holes 21 are arranged along the length direction of the first step 231, and a plurality of jacks 22 are arranged in the same direction as the long slot holes 21.

[0034] Further, the first recess 31 and the second recess 32 of the second detection unit 3 are arranged on the horizontal end face of the second base 33, a plurality of first recesses 31 and a plurality of second recesses 32 are arranged, the first recesses 31 and the second recesses 32 are arranged at both ends along the length direction of the second base 33, and the second recess 32 is arranged to be inclined upward from bottom along the width direction of the second base 33, the inclination angle is 20° to 35°, preferably 28°, and the end of the first recess 31 and the second recess 32 away from the drill bit does not penetrate the second base 33, so as to stop the handle end face of the drill bit. It can be understood that the length of the first recess 31 and the second recess 32 is equal to the length of the handle of the drill bit, so as to ensure that the drill bit is in the air. In addition, the second base 33 is detachably connected with the first step 231, so as to facilitate the quick disassembly of the second detection unit. Specifically, a T-shaped slot hole 331 is arranged on the lower end face of the second base 33 along the length direction thereof, and the two sides of the first step 231 along the width direction are symmetrically provided with protrusions 233 matched with the T-shaped slot hole 331, so as to facilitate the quick detachable connection of the second base with the first step.

[0035] Further, one end of the first step 231 in the width direction is provided with a stop portion 234, and the second base 33 is provided with a notch 332 corresponding to the stop portion 234. When the second base 33 is moved from the side away from the stop portion 234, and is slid on the T-shaped slot hole 331 on the second base 33 and continues to move forward along the protrusion 233 until the stop portion 234 on the first step 231 is completely matched with the notch 332, the second base 33 is prevented from continuing to move forward, so that the second base 33 is limited on the first step 231, the position of the second base 33 is ensured, and movement of the second base 33 in the drill inspection process is avoided, and the inspection quality is ensured.

[0036] Further, the four corners of the base 1 are respectively provided with countersunk fixing holes 11, and each countersunk fixing hole 11 is provided with a countersunk screw 12 in a matched mode, so that the entire jig can be positioned and fixed.

[0037] Referring to Fig. 4 The embodiment two provided by the utility model.

[0038] The difference between the embodiment two and the embodiment one is that the two ends of the lower end surface of the second base 33 are respectively provided with insertion blocks 333, and the upper end surface of the first step 231 is provided with insertion grooves 235 matched with the insertion blocks 333.

[0039] Compared with the second base 33 and the first step 231 of the embodiment one which are connected in a sliding mode, the second base 33 and the first step 231 of the embodiment two are connected in a plug-in mode, and the second base 33 and the first step 231 can also be quickly disassembled.

[0040] In summary, the utility model provides a kind of jig for PCB drill detection, by being able to inspect the second detection unit of peripheral edge and peripheral edge inclined surface and the first detection unit of being able to carry out drilling slice and end blade inspection movable connection, make jig can satisfy the inspection of different needs simultaneously, simple structure, high efficiency, wide use range.

[0041] In the above description, many specific details are described in order to fully understand the utility model. However, the above description is only the preferred embodiment of the utility model, and the utility model can be implemented in many other ways different from the description. Therefore, the utility model is not limited by the above disclosed specific implementation. Meanwhile, any person skilled in the art can make many possible changes and modifications to the utility model technical solution by using the above disclosed methods and technical contents, or modify equivalent embodiments. Any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the utility model without departing from the technical solution of the utility model, all still belong to the protection scope of the utility model technical solution.

Claims

1. A jig for detecting a PCB drill, characterized by: The base (1) is provided with a first detection unit (2) and a second detection unit (3) arranged on the first detection unit (2); The first detection unit (2) comprises at least one long slot hole (21) for positioning a drilling slice and at least one jack (22) arranged on the side of the long slot hole (21) and vertically arranged; The second detection unit (3) is movably connected with the first detection unit (2), and comprises at least one first groove (31) arranged horizontally and at least one second groove (32) arranged on the side of the first groove (31) and inclined at a certain angle with the horizontal plane.

2. The jig for detecting a PCB drill according to claim 1, characterized by: The first detection unit (2) further comprises a first base (23) arranged on the base (1), and the long slot hole (21) and the jack (22) are respectively arranged on the horizontal end surface of the first step (231) and the second step (232) of the first base (23); The second detection unit (3) further comprises a second base (33) which is detachably connected with the first step (231), and the first groove (31) and the second groove (32) are arranged on the horizontal end surface of the second base (33).

3. The jig for detecting a PCB drill according to claim 2, characterized by: The long slot hole (21) and the jack (22) are respectively provided with a plurality of long slot holes (21) arranged in parallel and spaced apart along the length direction of the first step (231); a plurality of jacks (22) are arranged in the same direction and spaced apart with the long slot hole (21).

4. The jig for detecting a PCB drill according to claim 3, wherein: The first groove (31) and the second groove (32) are respectively provided with a plurality of first grooves (31) arranged in parallel and spaced apart at one end of the length direction of the second base (33); A plurality of second grooves (32) are arranged in parallel and spaced apart at the other end of the length direction of the second base (33).

5. The jig for detecting a PCB drill according to claim 4, wherein: The second groove (32) is inclined from bottom to top along the width direction of the second base (33), and the inclination angle is 20° to 35°.

6. The jig for detecting a PCB drill according to claim 5, wherein: The horizontal end surface of the first step (231) is higher than the horizontal end surface of the second step (232); A T-shaped slot hole (331) is arranged on the lower end surface of the second base (33) along the length direction, and the two sides of the width direction of the first step (231) are symmetrically provided with protrusions (233) matched with the T-shaped slot hole (331).

7. The jig for detecting a PCB drill according to claim 6, wherein: One end of the width direction of the first step (231) is provided with a stop portion (234), and the corresponding end of the second base (33) is provided with a notch (332) matched with the stop portion (234).

8. The jig for detecting a PCB drill according to claim 5, wherein: The lower end surface of the second base (33) is respectively provided with an insertion block (333), and the upper end surface of the first step (231) is provided with an insertion groove (235) matched with the insertion block (333).

9. The jig for detecting a PCB drill according to claim 1, wherein: The four corners of the base (1) are respectively provided with countersunk fixing holes (11), and each countersunk fixing hole (11) is matched with a countersunk screw (12).