Chip surface defect detection device

Abstract

The utility model discloses a chip surface defect detection device which comprises a fixed box, a groove is formed in the inner side wall of the fixed box, a bearing is fixedly embedded in the inner side wall of the groove, a through hole is formed in the left side face of the fixed box, the left side face of the fixed box is fixedly connected with a forward and reverse motor, and the left side face of the fixed box is fixedly connected with a rotating shaft. The output end of the forward and reverse motor is fixedly connected with a threaded rod, the output end of the threaded rod is fixedly connected with the inner ring of the bearing, the outer surface of the threaded rod is in threaded connection with a positioning screw ring, the front face of the positioning screw ring is fixedly connected with a positioning plate, and the bottom face of the positioning plate is provided with acquisition cameras arranged at equal intervals. And a detection plate is arranged in the fixed box. According to the device, a compression spring is matched with a positioning clamping block, so that a chip main body can be clamped and positioned, the stability of the chip main body is improved, the detection accuracy of the chip main body is prevented from being influenced, and a positioning plate can be driven to move through the matching of a positive and negative motor, a threaded rod and a positioning screw ring.

Description

TECHNICAL FIELD

[0001] The utility model relates to chip detection field especially, and it is a kind of chip surface defect detection device. BACKGROUND

[0002] With the development of modern information, electronization, intelligentization, chip as the core of modern electronic product, production equipment, its consumption rises year by year, and with the needs of production and life, the performance requirement of chip itself is also constantly improved, therefore, chip is the important component indispensable to modern industry, in the chip production and manufacturing process, each process is closely linked, and the technology is complex, and the micro change of factors such as material, environment and process parameter often leads to chip defect, affects product yield, and chip quality detection as the key link in chip production line can actively feedback product quality information, and physical detection mainly can be divided into chip surface defect detection before packaging and packaging body defect detection after packaging.

[0003] The Chinese patent with publication number CN216696114U discloses a kind of chip surface defect detection device, including bottom plate and control panel, the bottom plate is equipped with acquisition mechanism and placement plate;The acquisition mechanism includes driving mechanism, connecting block, mounting plate and several acquisition cameras, the rear side and side of the bottom plate are equipped with rear stop and protective cover respectively, the driving mechanism is equipped in the rear stop, the connecting block is connected with the driving mechanism, the mounting plate is connected with the connecting block, several acquisition cameras are evenly equipped in the lower end of the mounting plate, but the chip surface defect detection device in the above patent, chip is directly placed in recess during detection process, it is inconvenient to position chip, chip may be position deviation or fall in conveying process, in turn affect the stability and accuracy of detection, for this purpose, we propose a kind of chip surface defect detection device to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of chip surface defect detection device to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A chip surface defect detection device, including fixed box, the inner side wall of the fixed box is provided with a groove, the inner side wall of the groove is fixedly embedded with a bearing, the left side of the fixed box is provided with a through hole, the left side of the fixed box is fixedly connected with a positive and negative motor, the output end of the positive and negative motor is fixedly connected with a threaded rod, the output end of the threaded rod is fixedly connected with the inner ring of the bearing, the outer surface of the threaded rod is threadedly connected with a positioning screw ring, the front surface of the positioning screw ring is fixedly connected with a positioning plate, the bottom surface of the positioning plate is provided with a plurality of acquisition cameras arranged at equal distances, the inside of the fixed box is provided with a detection plate, the upper surface of the detection plate is provided with a plurality of positioning grooves arranged at equal distances, the inner side wall of each positioning groove is fixedly connected with a pair of symmetrical compression springs, one end of each pair of compression springs close to each other is fixedly connected with a positioning clamp block, and the inside of each positioning groove is placed with a chip body.

[0007] In further embodiments, the upper surface of the fixed box is hingedly connected with a protective cover through a pin shaft, and the right side of the protective cover is fixedly connected with a buckle plate.

[0008] In further embodiments, the front surface of the fixed box is provided with a controller, and the front surface of the controller is provided with a display screen.

[0009] In further embodiments, the bottom surface of the fixed box is fixedly connected with four anti-skid seats, and the bottom surface of the positioning plate is provided with a pair of symmetrical light supplementing lamps.

[0010] In further embodiments, the inner side wall of the fixed box is provided with a first sliding groove, the inside of the first sliding groove is slidably connected with a sliding block, and the front surface of the positioning plate is fixedly connected with the back surface of the sliding block.

[0011] In further embodiments, the inner side wall of the fixed box is provided with a pair of symmetrical second sliding grooves, the inside of each second sliding groove is slidably connected with a sliding plate, and the side surface of each sliding plate close to each other is fixedly connected with the outer surface of the detection plate.

[0012] Compared with the prior art, the chip surface defect detection device has the following advantages:

[0013] The device can clamp and position the chip body by the cooperation of the compression spring and the positioning clamp block, increase the stability of the chip body, avoid affecting the accuracy of the chip body detection, drive the positioning plate to move by the cooperation of the positive and negative motor, the threaded rod and the positioning screw ring, and collect the image of the surface of the chip body by the acquisition camera, so that the staff can observe the image information of the chip body through the display screen, and the working efficiency of the staff is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the chip surface defect detection device.

[0015] Figure 2 It is a sectional view of a top view of a fixing box in a chip surface defect detection device.

[0016] Figure 3 It is a sectional view of a side view of a fixing box in a chip surface defect detection device.

[0017] Figure 4 It is a sectional view of a bottom view of a fixing box in a chip surface defect detection device.

[0018] In the figure: 1, fixing box; 2, groove; 3, through hole; 4, bearing; 5, positive and negative motor; 6, threaded rod; 7, positioning screw ring; 8, positioning plate; 9, acquisition camera; 10, detection plate; 11, positioning groove; 12, compression spring; 13, positioning clamp block; 14, chip main body; 15, first sliding groove; 16, sliding block; 17, light supplementing lamp; 18, protective cover; 19, anti-skid seat; 20, controller; 21, display screen; 22, second sliding groove; 23, sliding plate; 24, buckling plate. DETAILED DESCRIPTION

[0019] In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can be explicitly or implicitly included one or more. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0020] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0022] Please refer to Figures 1-4 In the present application, a chip surface defect detection device comprises a fixed box 1, a groove 2 is formed in the inner side wall of the fixed box 1, a bearing 4 is fixedly embedded in the inner side wall of the groove 2, a through hole 3 is formed in the left side surface of the fixed box 1, a forward-reverse motor 5 is fixedly connected to the left side surface of the fixed box 1, a threaded rod 6 is fixedly connected to the output end of the forward-reverse motor 5, the output end of the threaded rod 6 is fixedly connected to the inner ring of the bearing 4, a positioning screw ring 7 is threadedly connected to the outer surface of the threaded rod 6, a positioning plate 8 is fixedly connected to the front surface of the positioning screw ring 7, a plurality of acquisition cameras 9 are installed on the bottom surface of the positioning plate 8 at equal distances, a detection plate 10 is arranged in the fixed box 1, a plurality of positioning grooves 11 are formed in the upper surface of the detection plate 10 at equal distances, a pair of symmetrical compression springs 12 are fixedly connected to the inner side wall of each positioning groove 11, a positioning clamping block 13 is fixedly connected to the end of each pair of compression springs 12 that are close to each other, and a chip main body 14 is placed in each positioning groove 11. The compression springs 12 and the positioning clamping blocks 13 are matched to clamp and position the chip main body 14, increase the stability of the chip main body 14, avoid affecting the accuracy of the detection of the chip main body 14, the forward-reverse motor 5, the threaded rod 6 and the positioning screw ring 7 are matched to drive the positioning plate 8 to move, and the acquisition cameras 9 can collect images of the surface of the chip main body 14.

[0023] A protective cover 18 is hingedly connected to the upper surface of the fixed box 1 through a pin shaft, a buckle plate 24 is fixedly connected to the right side surface of the protective cover 18, a controller 20 is installed on the front surface of the fixed box 1, a display screen 21 is arranged on the front surface of the controller 20, four anti-skid seats 19 are fixedly connected to the bottom surface of the fixed box 1, a pair of symmetrical light supplementing lamps 17 are installed on the bottom surface of the positioning plate 8, the light supplementing lamps 17 can supplement light for the chip main body 14, the protective cover 18 can protect the device, avoid the chip main body 14 from being disturbed by the outside world, and the controller 20 and the display screen 21 are matched to facilitate the staff to control the device.

[0024] The inner side wall of the fixed box 1 is provided with a first sliding groove 15, a sliding block 16 is slidably connected in the first sliding groove 15, the front surface of the positioning plate 8 is fixedly connected with the back surface of the sliding block 16, the inner side wall of the fixed box 1 is provided with a second symmetric sliding groove 22, the inner sides of the two second sliding grooves 22 are slidably connected with sliding plates 23, and the mutually close side surfaces of the two sliding plates 23 are fixedly connected with the outer surface of the detection plate 10. Through the cooperation of the first sliding groove 15 and the sliding block 16, the movement of the positioning plate 8 is more stable, and the stability during detection is improved. Through the cooperation of the second sliding groove 22 and the sliding plate 23, the detection plate 10 is conveniently installed and dismounted by the staff.

[0025] The working principle of the utility model is:

[0026] In use, first, the device is communicated with the corresponding power supply, then the device is stably placed in a suitable position by the anti-skid seat 19, then the detection plate 10 is installed in the inside of the fixed box 1 by the cooperation of the second sliding groove 22 and the sliding plate 23, then the chip main body 14 to be detected is placed in the inside of the positioning groove 11, then the chip main body 14 is clamped and positioned by the cooperation of the compression spring 12 and the positioning clamping block 13, the stability of the chip main body 14 is increased, and the accuracy of the detection of the chip main body 14 is avoided from being affected, then the positioning plate 8 is driven to move by the cooperation of the forward and reverse motor 5, the threaded rod 6 and the positioning screw ring 7, then the surface of the chip main body 14 is imaged by the acquisition camera 9, and then the image information of the chip main body 14 is observed by the staff through the display screen 21.

[0027] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0028] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A chip surface defect detection apparatus characterized by comprising: The utility model relates to a kind of fixed box (1), recess (2) is opened in the inner side wall of the fixed box (1), bearing (4) is fixed inlayed in the inner side wall of the recess (2), through hole (3) is opened in the left side of the fixed box (1), positive and negative motor (5) is fixedly connected in the left side of the fixed box (1), the output of the positive and negative motor (5) is fixedly connected with threaded rod (6), the output of the threaded rod (6) is fixedly connected with the inner ring of bearing (4), the outer surface of the threaded rod (6) is threadedly connected with positioning screw ring (7), the front of the positioning screw ring (7) is fixedly connected with positioning plate (8), the bottom of the positioning plate (8) is installed with the equal distance arrangement acquisition camera (9), detection plate (10) is equipped in the fixed box (1), equal distance arrangement locating groove (11) is opened in the upper surface of the detection plate (10), each locating groove (11) The inner side wall is fixedly connected with opposite and symmetrical compression spring (12), each group of compression spring (12) is fixedly connected with positioning clamping block (13) in one end of mutual approach, each locating groove (11) is placed with chip main body (14) in the inside.

2. The chip surface defect detection apparatus according to claim 1, characterized by: The upper surface of the fixed box (1) is hinged with protective cover (18) by pin shaft, the right side of the protective cover (18) is fixedly connected with buckle plate (24).

3. The chip surface defect detection apparatus according to claim 1, characterized by: The front of the fixed box (1) is installed with controller (20), and the front of the controller (20) is provided with display screen (21).

4. The chip surface defect detection apparatus according to claim 1, characterized by: The bottom of the fixed box (1) is fixedly connected with four anti-skid seats (19), and the bottom of the positioning plate (8) is installed with opposite and symmetrical light supplementing lamp (17).

5. The chip surface defect detection apparatus according to claim 1, characterized by: The inner side wall of the fixed box (1) is opened with first sliding slot (15), and the inside of the first sliding slot (15) is slidably connected with sliding block (16), and the front of the positioning plate (8) is fixedly connected with the back of the sliding block (16).

6. The chip surface defect detection apparatus according to claim 1, wherein: The inner side wall of the fixed box (1) is opened with opposite and symmetrical second sliding slot (22), and the inside of two second sliding slots (22) is slidably connected with sliding plate (23), and the side of two sliding plates (23) is fixedly connected with the outer surface of detection plate (10) mutually approach.

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