Heat sink key edge inspection jig

The heat sink key edge inspection jig enhances inspection efficiency and reliability by using a V-groove detection base with a mirror reflective sheet and a knob-driven mechanism to detect edge defects in precision heat sinks.

CN222259180UActive Publication Date: 2024-12-27XIAN WISDOM VALLEY TECH RES INST CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420759284.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-12
Publication Date
2024-12-27
Estimated Expiration
2034-04-12

AI Technical Summary

Technical Problem

Existing inspection methods for heat sink edges are inefficient and have low pass rate reliability, failing to meet the high quality requirements of precision heat sink manufacturing.

Method used

A heat sink key edge inspection jig that uses a V-groove detection base with a mirror reflective sheet to inspect the edges of precision heat sinks under a microscope, featuring a T-shaped slide groove, fixed clamps, and a knob-driven mechanism for precise observation of gaps, burrs, and bumps.

Benefits of technology

Improves inspection efficiency and pass rate by enabling detailed observation of edge defects, ensuring high-quality heat sink production.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222259180U_ABST
    Figure CN222259180U_ABST
Patent Text Reader

Abstract

The utility model discloses a heat sink key edge inspection jig, which comprises a detection base, a V-shaped groove is arranged in the detection base, a mirror surface reflector is fixedly connected to the left inner wall of the V-shaped groove, a heat sink product is slidably connected to the right inner wall of the V-shaped groove, a protection sheet is fixedly connected to the front surface of the detection base, and the protection sheet is fixedly connected to the right inner wall of the V-shaped groove. A precise heat sink product is placed in the V-shaped groove of the detection base, the bottom face of the heat sink is attached to the face of the V-shaped groove in a sliding mode, the front end face of the corresponding heat sink is gently attached to the mirror face reflector, then the detection jig where the heat sink product is placed is gently moved to the position below a microscope, and then the heat sink product is detected. Whether the gap between the front end face of the heat sink and the reflective lens has defects of overlarge gap, burrs, collision and the like is observed, and the effects of improving the inspection efficiency and the qualified rate of heat sink products are achieved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of heat sink detection, in particular to a heat sink key edge detection jig. Background Art

[0002] The edges of heat sink products are key indicators that affect the packaging process. In order to ultimately achieve high quality and edge quality, such heat sink products need to be inspected from all aspects.

[0003] With the vigorous development of precision heat sink manufacturing, the quality requirements for heat sink manufacturing are constantly improving. Precision heat sinks have high surface requirements and high edge requirements. The existing inspection methods are inefficient and have low pass rate reliability. After searching, it was found that the technical solution provided by the utility model with application number CN202123224250.8 also has the above problems. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a heat sink key edge inspection jig, which places a precision heat sink product in a V-groove of a detection base, fits and slides the bottom surface of the heat sink with the surface of the V-groove, gently fits the corresponding front end surface of the heat sink with the mirror reflective sheet, and then gently moves the inspection jig with the heat sink product placed under a microscope to observe the gap between the front end surface of the heat sink and the reflective sheet to see if there is too large a gap, burrs, bumps and other defects, thereby achieving the effect of improving the inspection efficiency and pass rate of heat sink products.

[0005] The utility model also provides a heat sink key edge inspection jig, comprising a detection base, a V-shaped groove is arranged inside the detection base, a mirror reflective sheet is fixedly connected to the left inner wall of the V-shaped groove, a heat sink product is slidably connected to the right inner wall of the V-shaped groove, a protective sheet is fixedly connected to the front surface of the detection base, and a fixing screw is threadedly connected to the inner surface of the protective sheet;

[0006] A T-shaped slide groove is provided inside the detection base, and a T-shaped slider is slidably connected inside the T-shaped slide groove, a fixed clamp is slidably connected to the right inner wall of the V-shaped groove, a threaded rod is threadedly connected to the internal thread of the T-shaped slider, a driven wheel is fixedly connected to the rear end of the threaded rod, and a pulley is rollingly connected to the outer surface of the driven wheel, a second slide groove is provided on the rear surface of the detection base, a driving wheel is rotatably connected to the front inner wall of the second slide groove, and a knob is fixedly connected to the rear surface of the driving wheel.

[0007] According to the heat sink key edge inspection jig, the front surface of the knob is rotatably connected to the detection base, and the outer surface of the knob is provided with anti-slip grooves.

[0008] According to the heat sink key edge inspection jig, the front inner wall of the second slide groove is rotationally connected to the driven wheel, and the outer surface of the driving wheel is rollingly connected to the pulley.

[0009] According to the heat sink key edge inspection jig, the right surface of the fixed clamp is fixedly connected to the T-shaped slider, and the number of the fixed clamp is two and they are distributed on the left and right.

[0010] According to the heat sink key edge inspection jig, the outer surface of the fixing screw is threadedly connected to the detection base, and the front inner wall of the second slide groove is rollingly connected to the pulley.

[0011] According to the heat sink key edge inspection jig, a groove is provided on the side surface of the detection base, and a handle is hinged on the top inner wall of the groove, and the handle facilitates moving the detection base.

[0012] According to the heat sink key edge inspection jig, a rubber sheet is fixedly connected to the rear surface of the fixed clamp, and the right inner wall of the V-shaped groove is slidably connected to the rubber sheet, and the rubber sheet is used to reduce the wear between the heat sink product and the fixed clamp.

[0013] According to the heat sink key edge inspection jig, it is characterized in that the number of the protection sheets is two and they are distributed on the left and right, and the front end of the threaded rod is rotatably connected to the protection sheet.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is a front view of a heat sink key edge inspection jig according to the utility model;

[0017] Figure 2 This is an overall structural diagram of a heat sink key edge inspection fixture of the utility model;

[0018] Figure 3 This is a cross-sectional view of the overall structure of a heat sink key edge inspection fixture of the utility model;

[0019] Figure 4 This is a partial structural diagram of a heat sink key edge inspection fixture of the utility model;

[0020] Figure 5 It is a partial structural exploded diagram of a heat sink key edge inspection fixture of the utility model.

[0021] Legend:

[0022] 1. Detection base; 2. V-shaped groove; 3. Mirror reflector; 4. Heat sink product; 5. Protective sheet; 6. Fixing screws; 7. T-shaped slide groove; 8. T-shaped slider; 9. Fixed clamp; 10. Threaded rod; 11. Driven wheel; 12. Pulley; 13. Second slide groove; 14. Driving wheel; 15. Knob; 16. Anti-slip pattern; 17. Groove; 18. Handle; 19. Rubber sheet. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the text part of the specification with graphics so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Reference Figure 1-5 The utility model embodiment is a heat sink key edge inspection jig, which includes a detection base 1. The material of the detection base 1 needs to have a certain supporting strength, usually metal, engineering plastics, etc. A V-shaped groove 2 is arranged inside the detection base 1. The size of the V-shaped groove 2 is generally larger than the size of the heat sink product 4 to prevent the product from falling during the detection process. A mirror reflector 3 is fixedly connected to the left inner wall of the V-shaped groove 2. The mirror reflector 3 is a flat lens such as a silicon wafer. Through projection magnification, the defects of the key edges can be magnified twice. The right inner wall of the V-shaped groove 2 is slidably connected to the heat sink product 4. A protective sheet 5 is fixedly connected to the front surface of the detection base 1. The material of the protective sheet 5 is soft engineering plastics such as polytetrafluoroethylene, POM, nylon, etc. to prevent the heat sink product 4 from being damaged by collision during the detection process. The number of protective sheets 5 is two and they are distributed on the left and right. The internal thread of the protective sheet 5 is connected with a fixing screw 6, and the outer surface of the fixing screw 6 is threadedly connected to the detection base 1.

[0025] A T-shaped slide groove 7 is arranged inside the detection base 1, and a T-shaped slider 8 is slidably connected inside the T-shaped slide groove 7. A fixed clamping plate 9 is slidably connected to the right inner wall of the V-shaped groove 2. There are two fixed clamping plates 9 and they are distributed on the left and right. The right surface of the fixed clamping plate 9 is fixedly connected to the T-shaped slider 8. A threaded rod 10 is connected to the inner thread of the T-shaped slider 8. The front end of the threaded rod 10 is rotatably connected to the protective sheet 5. The rear end of the threaded rod 10 is fixedly connected to a driven wheel 11. The outer surface of the driven wheel 11 is rollingly connected to a pulley 12. A second slide groove 13 is arranged on the rear surface of the detection base 1. The front inner wall of the second slide groove 13 is connected to the protective sheet 5. The pulley 12 is rollingly connected, the front inner wall of the second slide groove 13 is rotationally connected to the driven wheel 11, the front inner wall of the second slide groove 13 is rotationally connected to the driving wheel 14, the outer surface of the driving wheel 14 is rollingly connected to the pulley 12, the rear surface of the driving wheel 14 is fixedly connected to the knob 15, the front surface of the knob 15 is rotationally connected to the detection base 1, the outer surface of the knob 15 is provided with anti-slip grooves 16, the side surface of the detection base 1 is provided with a groove 17, the top inner wall of the groove 17 is hinged with a handle 18, the rear surface of the fixed splint 9 is fixedly connected to a rubber sheet 19, and the right inner wall of the V-shaped groove 2 is slidingly connected to the rubber sheet 19.

[0026] Working principle: Place the precision heat sink product 4 in the V-groove 2 of the detection base 1, fit the bottom surface of the heat sink product 4 with the surface of the V-groove 2 and slide, gently fit the corresponding front end surface of the heat sink product 4 with the mirror reflective sheet 3, turn the knob 15, the knob 15 rotates to drive the pulley 12 to drive the driven wheel 11, the driven wheel 11 rotates to drive the threaded rod 10, the threaded rod 10 rotates to drive the fixed splint 9 to slide, so that the fixed splint 9 fixes the heat sink product 4, and then gently move the inspection fixture with the heat sink product 4 placed under the microscope to observe the gap between the front end surface of the heat sink and the mirror reflective sheet 3 to see if there is a large gap, burrs, bumps and other defects.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A heat sink key edge inspection jig, characterized in that: include: A detection base (1), wherein a V-shaped groove (2) is arranged inside the detection base (1), a mirror reflective sheet (3) is fixedly connected to the left inner wall of the V-shaped groove (2), a heat sink product (4) is slidably connected to the right inner wall of the V-shaped groove (2), a protection sheet (5) is fixedly connected to the front surface of the detection base (1), and a fixing screw (6) is threadedly connected to the inside of the protection sheet (5); The detection base (1) is provided with a T-shaped slide groove (7) inside, the T-shaped slide groove (7) is slidably connected to a T-shaped slider (8), the right inner wall of the V-shaped groove (2) is slidably connected to a fixed clamping plate (9), the inner thread of the T-shaped slider (8) is connected to a threaded rod (10), the rear end of the threaded rod (10) is fixedly connected to a driven wheel (11), the outer surface of the driven wheel (11) is rollingly connected to a pulley (12), the rear surface of the detection base (1) is provided with a second slide groove (13), the front inner wall of the second slide groove (13) is rotatably connected to a driving wheel (14), and the rear surface of the driving wheel (14) is fixedly connected to a knob (15).

2. A heat sink key edge inspection jig according to claim 1, characterized in that: The front surface of the knob (15) is rotatably connected to the detection base (1), and the outer surface of the knob (15) is provided with anti-slip grooves (16).

3. A heat sink key edge inspection jig according to claim 1, characterized in that: The front inner wall of the second slide groove (13) is rotationally connected to the driven wheel (11), and the outer surface of the driving wheel (14) is rollingly connected to the pulley (12).

4. A heat sink key edge inspection jig according to claim 1, characterized in that: The right surface of the fixed clamping plate (9) is fixedly connected to the T-shaped sliding block (8), and the number of the fixed clamping plates (9) is two and they are distributed on the left and right.

5. The heat sink key edge inspection jig according to claim 1, characterized in that: The outer surface of the fixing screw (6) is threadedly connected to the detection base (1), and the front inner wall of the second sliding groove (13) is rollingly connected to the pulley (12).

6. A heat sink key edge inspection jig according to claim 1, characterized in that: A groove (17) is provided on the side surface of the detection base (1), and a handle (18) is hingedly connected to the top inner wall of the groove (17).

7. The heat sink key edge inspection jig according to claim 1, characterized in that: A rubber sheet (19) is fixedly connected to the rear surface of the fixed clamping plate (9), and the right inner wall of the V-shaped groove (2) is slidably connected to the rubber sheet (19).

8. The heat sink key edge inspection jig according to claim 1, characterized in that: The number of the protective sheets (5) is two and they are distributed on the left and right sides, and the front end of the threaded rod (10) is rotatably connected to the protective sheet (5).