Detection device

Abstract

The utility model relates to a detection device, which is used for detecting whether a chip-on-film material belt is provided with a chip or not, and comprises a base; the detection assembly is movably arranged on the base in the first direction, and the first direction is the transmission direction of the chip-on-film material belt; the driving assembly is connected with the detection assembly and can drive the detection assembly to move in the first direction; wherein the detection assembly comprises an emitter and a receiver which are electrically connected, the emitter and the receiver are oppositely distributed in a spaced mode in the second direction, and the second direction is the thickness direction of the chip-on-film material belt; the emitter emits detection light, and the receiver judges whether the chip-on-film material belt is provided with a chip according to whether the detection light can be received or not. According to the detection device, whether each sub-region of the chip-on-film material belt has a chip or not can be detected in sequence through the detection device, so that the detection efficiency and the detection accuracy are improved; by detecting and judging the position of the chip on the first sub-area, the whole chip-on-film material belt can be automatically and initially positioned.

Description

Technical Field

[0001] This application relates to the field of flip-chip film technology, and in particular to a detection device. Background Technology

[0002] Currently, COF (short for Chip On Film) is commonly used in display driver chips. COF has the ability to carry ICs and passive components. In terms of flexibility, COF not only helps to improve product functionality, high packaging density, and miniaturization, but also increases the added value of the product.

[0003] During the COF production process, the COF tape needs to be released from the roll. Without a detection device after release, there may be chip missing in the COF tape. In addition, the position of the new tape needs to be manually recalibrated every time a new tape is switched, resulting in a high defect rate and low production efficiency of the flip-chip film. Utility Model Content

[0004] Therefore, it is necessary to provide a detection device to address the problems of high defect rate and low production efficiency of existing flip-chip films.

[0005] A detection device is used to detect whether a flip-chip film strip has a chip. The detection device includes: a base; a detection component movably disposed on the base along a first direction, the first direction being the transmission direction of the flip-chip film strip; and a driving component connected to the detection component and capable of driving the detection component to move along the first direction. The detection component includes an electrically connected transmitter and a receiver, the transmitter and the receiver being opposite to and spaced apart along a second direction, the second direction being the thickness direction of the flip-chip film strip. The transmitter emits detection light, and the receiver determines whether the flip-chip film strip has a chip based on whether it receives the detection light.

[0006] The aforementioned detection device involves a transmitter emitting detection light, and a receiver determining whether the flip-chip film strip contains a chip based on whether the detection light is received. This detection device can sequentially detect whether each sub-region of the flip-chip film strip contains a chip, improving detection efficiency and accuracy, and helping to reduce the defect rate. By detecting and determining the chip position in the first sub-region, the entire flip-chip film strip can be automatically initially positioned, eliminating the need for manual calibration of the flip-chip film strip position each time. This avoids the inconsistency caused by manual calibration, which leads to production instability and improves production efficiency.

[0007] In some embodiments, the detection component further includes two fixed bases that are opposite to each other and spaced apart along the second direction, each fixed base being connected to the drive component, and the transmitter and the receiver being respectively mounted on the corresponding fixed base.

[0008] In some embodiments, the mounting base includes a protective cover, a mounting plate, a support plate, and a fixing block. The transmitter or the receiver is fixed to the fixing block, the fixing block is perpendicularly connected to the support plate, the support plate is connected to the drive assembly through the mounting plate, and the protective cover is fixed to the support plate and covers the transmitter or the receiver.

[0009] In some embodiments, the detection device further includes a signal amplification component disposed on the base and used to amplify the signals of the transmitter and / or the receiver.

[0010] In some embodiments, the signal amplification assembly includes a support and a sensing amplifier, the support being fixed to the base and the sensing amplifier being disposed on the support.

[0011] In some embodiments, the drive assembly includes a drive member, a support block, a lead screw, and a nut seat. The nut seat is sleeved on the lead screw, the lead screw is rotatably mounted on the support block, the support block is fixed to the base, and the drive member is kinetically connected to the lead screw. Under the drive of the drive member, the lead screw rotates to drive the nut seat to move along the first direction.

[0012] In some embodiments, the drive assembly further includes a drive wheel, a driven wheel, and a transmission belt. The drive wheel is fixedly connected to the output shaft of the drive member, the driven wheel is fixedly connected to the lead screw, and the transmission belt is sleeved on the drive wheel and the driven wheel. Under the drive of the drive member, the drive wheel rotates, which in turn drives the driven wheel and the lead screw to rotate.

[0013] In some embodiments, the detection device further includes a guide assembly disposed on the base and parallel to the lead screw, the guide assembly being used to guide the movement of the nut seat in the first direction.

[0014] In some embodiments, the guiding assembly includes a guide rail, a slider, and a connecting plate. The slider slides along the first direction on the guide rail. The connecting plate is fixedly connected to the nut seat and the slider, respectively. The detection assembly is fixed to the connecting plate.

[0015] In some embodiments, the detection device further includes a positioning component, which includes a photoelectric sensor and a sensing plate. The sensing plate is fixed to the connecting plate, and the photoelectric sensor is disposed on the base. When the sensing plate passes the photoelectric sensor, it will send a feedback signal to determine the moving position of the nut seat.

[0016] In some embodiments, the number of photoelectric sensors is three, which are arranged side by side and spaced apart along a first direction, wherein two of the photoelectric sensors are aligned with the end positions of the guide rail, and the other photoelectric sensor is aligned with the middle position of the guide rail. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the flip-chip film strip in some embodiments of this application.

[0018] Figure 2 This is a schematic diagram of the detection device in some embodiments of this application.

[0019] Figure 3 for Figure 2 A magnified view of part A of the detection device shown.

[0020] Figure 4 for Figure 2 Side view of the detection device shown.

[0021] Figure label:

[0022] 10. Chip-on-chip film strip; 20. Chip;

[0023] 100. Base; 110. Base plate; 120. Base plate;

[0024] 200. Detection component; 210. Transmitter; 220. Receiver; 230. Mounting base; 231. Protective cover; 232. Mounting plate; 233. Support plate; 234. Fixing block;

[0025] 300. Drive assembly; 301. Buffer block; 310. Drive component; 320. Support block; 330. Lead screw; 340. Nut seat; 350. Drive pulley; 360. Driven pulley; 370. Transmission belt;

[0026] 400. Signal amplification assembly; 410. Support; 420. Sensor amplifier;

[0027] 500. Guide assembly; 510. Guide rail; 520. Slider; 530. Connecting plate;

[0028] 600. Positioning component; 610. Photoelectric sensor; 620. Sensing sheet. Detailed Implementation

[0029] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0030] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0031] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0032] In this application, unless otherwise expressly specified and limited, the terms "initial," "connected," "linked," and "fixed," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0033] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0034] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0035] Please refer to Figure 1 and Figure 2 In one embodiment, the detection device is used to detect whether the flip-chip film strip 10 has a chip 20. The detection device includes a base 100, a detection component 200 and a driving component 300. The detection component 200 is movably disposed on the base 100 along a first direction, which is the transmission direction of the flip-chip film strip 10. The driving component 300 is connected to the detection component 200 and can drive the detection component 200 to move along the first direction.

[0036] The detection component 200 includes an electrically connected transmitter 210 and a receiver 220. The transmitter 210 and the receiver 220 are distributed opposite to each other and spaced apart along a second direction, which is the thickness direction of the flip-chip film strip 10. The transmitter 210 emits detection light, and the receiver 220 determines whether the flip-chip film strip 10 has a chip 20 based on whether it can receive the detection light.

[0037] It should be noted that the first direction is Figure 2 The X direction shown is the transport direction of the flip-chip thin film strip 10; the second direction is... Figure 2 The Y direction shown is the thickness direction of the flip-chip film strip 10.

[0038] Here, the flip-chip film strip 10 has at least two adjacent sub-regions along the first direction, and each sub-region is provided with a chip 20. It is necessary to first detect whether each sub-region has a chip 20, and then cut the flip-chip film strip 10 into flip-chip film slices according to the sub-regions. That is, when each sub-region of the flip-chip film strip 10 moves to the working position along the first direction, the detection device sequentially detects whether each sub-region has a chip 20.

[0039] For example, when the first sub-region of the flip-chip film strip 10 is in the working position, the transmitter 210 emits detection light to the first sub-region. If there is no chip 20 present, the detection light passes through the region and is incident on the receiver 220, which then emits a first feedback signal. If there is a chip 20 present, the detection light illuminates the chip 20 and is reflected; in this case, the receiver 220 does not receive the detection light and emits a second feedback signal. Then, the flip-chip film strip 10 continues to move along the first direction until the second sub-region of the flip-chip film strip 10 is in the working position. The same method is used to detect whether a chip 20 is present in that region, until all sub-regions have been detected.

[0040] The aforementioned detection device has a transmitter 210 that emits detection light, and a receiver 220 that determines whether the flip-chip film strip 10 has a chip 20 based on whether the detection light is received. The detection device can sequentially detect whether each sub-region of the flip-chip film strip 10 has a chip 20, improving detection efficiency and accuracy, and helping to reduce the defect rate. By detecting and determining the position of the chip 20 in the first sub-region, the entire flip-chip film strip 10 can be automatically initially positioned, eliminating the need for manual calibration of the flip-chip film strip 10 each time. This avoids the problem of production instability caused by the inconsistency of manual calibration, and helps to improve production efficiency.

[0041] In the embodiments of this application, reference is made to Figure 2 The base 100 includes two bases 110 and a base plate 120. The two bases 110 are spaced apart along a first direction. The base plate 120 is connected to the top side of the two bases 110. A support block 320 is installed on the top side of the base plate 120, so that the bottom side of the base plate 120 and the space between the two bases 110 form an installation space. The drive assembly 300 can be placed in the installation space and / or on the base plate 120. The bases 110 and the base plate 120 can be an integral structure with good integrity and high mechanical strength; or the bases 110 and the base plate 120 can be a separate structure, for example, the three can be fixed by screws, snap-fit, etc., which facilitates maintenance and replacement.

[0042] In the embodiments of this application, both the transmitter 210 and the receiver 220 are laser sensors. The detection light emitted by the laser sensor can be a point laser or a surface laser; the type of laser sensor is not specifically limited here. The number of transmitters 210 and receivers 220 is not limited to one. For example, transmitters 210 and receivers 220 can be respectively arranged at different positions along the first direction to improve detection efficiency.

[0043] For details, please refer to Figure 2 and Figure 3The detection component 200 also includes two fixed bases 230 that are opposite to each other and spaced apart along the second direction. Each fixed base 230 is connected to the drive component 300, and the transmitter 210 and the receiver 220 are respectively installed on the corresponding fixed bases 230.

[0044] Understandably, the two mounting bases 230 are positioned opposite each other and spaced apart along the second direction. The transmitter 210 is mounted on one of the mounting bases 230, and the receiver 220 is mounted on the other mounting base 230, so that the transmitter 210 and receiver 220 are positioned opposite each other and spaced apart along the second direction. Since each mounting base 230 is connected to the drive assembly 300, when the drive assembly 300 moves the mounting base 230 along the first direction, the transmitter 210 and receiver 220 also move along the first direction.

[0045] In the embodiments of this application, each of the two mounting bases 230 is provided with a clearance hole so that the detection light emitted between the transmitter 210 and the receiver 220 can pass through. The structures of the two mounting bases 230 can be exactly the same or not, as long as the transmitter 210 and the receiver 220 can be mounted on the corresponding mounting bases 230.

[0046] In the embodiments of this application, each fixing seat 230 is connected to the drive assembly 300. The connection between the fixing seat 230 and the drive assembly 300 can be in various ways, such as screw connection, snap-fit, plug-in or other methods.

[0047] For more specific details, please refer to Figure 3 The mounting base 230 includes a protective cover 231, a mounting plate 232, a support plate 233, and a fixing block 234. The transmitter 210 or receiver 220 is fixed to the fixing block 234. The fixing block 234 is vertically connected to the support plate 233. The support plate 233 is connected to the drive assembly 300 through the mounting plate 232. The protective cover 231 is fixed to the support plate 233 and covers the transmitter 210 or receiver 220.

[0048] It should be noted that the fixing block 234 is vertically connected to one side of the support plate 233 along the first direction, the transmitter 210 or receiver 220 is fixed to the middle of the fixing block 234, and the protective cover 231 is connected to the other side of the support plate 233 along the first direction. The protective cover 231 covers the transmitter 210 or receiver 220 to avoid external environmental interference with the signal transmission and reception of the transmitter 210 or receiver 220.

[0049] In the embodiments of this application, the protective cover 231, mounting plate 232, support plate 233 and fixing block 234 can be an integral structure with good integrity and high mechanical strength; the protective cover 231, mounting plate 232, support plate 233 and fixing block 234 can also be a separate structure, for example, fixed by screw connection, snap-fit ​​or other means, which is convenient for maintenance and replacement.

[0050] In the embodiments of this application, the mounting plate 232 is connected to the drive assembly 300, and the mounting plate 232 and the drive assembly 300 are detachably connected, for example, the mounting plate 232 and the drive assembly 300 are fixed together by screws. The mounting plate 232 is constructed as a plate-like structure, and the outer contour of the plate-like structure can be rectangular, circular, or elliptical, etc.

[0051] In the embodiments of this application, the support plate 233 is constructed as a plate-like structure, and the outer contour of the plate-like structure can be rectangular, circular or elliptical or other shapes.

[0052] In the embodiments of this application, the fixing block 234 is constructed as a block structure, and the outer contour of the block structure can be a cube, cuboid or other shapes.

[0053] In embodiments of this application, the protective cover 231 has an opening facing the fixing block 234, so that the protective cover 231 can cover the transmitter 210 or receiver 220. The protective cover 231 may be U-shaped or other shapes with an opening.

[0054] Please refer to Figure 2 The detection device also includes a signal amplification component 400, which is disposed on the base 100 and is used to amplify the signals of the transmitter 210 and / or the receiver 220.

[0055] It is understandable that by setting the signal amplification component 400, the signals of the transmitter 210 and / or receiver 220 can be amplified, making the signal transmission between the two more accurate, which is beneficial to providing the accuracy of the detection results of the chip 20 and improving the situation where the detection results are affected by the weak signal.

[0056] In the embodiments of this application, the number of signal amplification components 400 is not limited to one, that is, the number of signal amplification components 400 can be at least two.

[0057] For details, please refer to Figure 2 The signal amplification component 400 includes a support 410 and a sensor amplifier 420. The support 410 is fixed to the base 100, and the sensor amplifier 420 is disposed on the support 410.

[0058] Here, the support 410 is fixed to one of the bases 110 of the base 100, and the sensor amplifier 420 is mounted on one side of the support 410 so that the sensor amplifier 420 can smoothly amplify the signals of the transmitter 210 and / or the receiver 220.

[0059] In the embodiments of this application, the support 410 and the base 100 can be detachably connected, for example, by means of screw connection, snap-fit ​​or plug-in; or, the support 410 and the base 100 can be non-detachably connected, for example, by means of riveting or welding.

[0060] In the embodiments of this application, the sensor amplifier 420 and the support 410 are detachably connected, for example, by means of screw connection, snap-fit, or plug-in. The number of sensor amplifiers 420 is not limited to one; that is, at least two sensor amplifiers 420 can be provided on the same support 410.

[0061] Please refer to Figure 2 and Figure 4 The drive assembly 300 includes a drive member 310, a support block 320, a lead screw 330, and a nut seat 340. The nut seat 340 is sleeved on the lead screw 330, and the lead screw 330 is rotatably mounted on the support block 320. The support block 320 is fixed to the base 100. The drive member 310 is connected to the lead screw 330 in a transmission manner. Under the drive of the drive member 310, the lead screw 330 rotates to drive the nut seat 340 to move in a first direction.

[0062] It should be noted that, driven by the drive component 310, the lead screw 330 can rotate, and the rotation of the lead screw 330 will drive the nut seat 340 to move in the first direction, thereby driving the detection component 200 to move in the first direction.

[0063] In the embodiments of this application, the driving component 310 is a motor, and the output shaft of the motor is connected to the lead screw 330 for transmission, so that the lead screw 330 can rotate under the drive of the driving component 310. The motor can be a servo motor or a stepper motor, and the type of motor is not limited here.

[0064] In the embodiments of this application, there are two support blocks 320, which are arranged opposite to each other along a first direction. Each support block 320 is provided with a clearance hole for the lead screw 330 to pass through, so that the lead screw 330 can be rotatably mounted on the support block 320. Each support block 320 is constructed as a block structure, and the outer contour of the block structure can be a cube, cuboid, or other shapes.

[0065] In the embodiments of this application, the lead screw 330 can be a threaded lead screw 330, a ball screw 330 or other types of lead screw 330, and the type of lead screw 330 is not specifically limited here.

[0066] In the embodiments of this application, reference is made to Figure 2 and Figure 4The drive assembly 300 also includes a buffer block 301, which is fixed to the side of the support block 320 facing the nut seat 340 to buffer and limit the movement of the nut seat 340. There are two buffer blocks 301, arranged opposite each other along a first direction. Each buffer block 301 has a clearance hole for the lead screw 330 to pass through. Each buffer block 301 is constructed as a block structure, and the outer contour of the block structure can be a cube, cuboid, or other shapes.

[0067] Further, please refer to Figure 2 and Figure 4 The drive assembly 300 also includes a drive wheel 350, a driven wheel 360, and a transmission belt 370. The drive wheel 350 is fixedly connected to the output shaft of the drive member 310, the driven wheel 360 is fixedly connected to the lead screw 330, and the transmission belt 370 is sleeved on the drive wheel 350 and the driven wheel 360. Under the drive of the drive member 310, the drive wheel 350 rotates, which in turn drives the driven wheel 360 and the lead screw 330 to rotate.

[0068] Understandably, driven by the drive unit 310, the output shaft of the drive unit 310 drives the drive wheel 350 to rotate, which in turn drives the driven wheel 360 to rotate, thereby driving the lead screw 330 to rotate. The rotation of the lead screw 330 will drive the nut seat 340 to move in the first direction, thereby driving the detection component 200 to move in the first direction.

[0069] In the embodiments of this application, the drive wheel 350 and the output shaft of the drive member 310 are detachably connected. For example, the middle part of the drive wheel 350 is inserted and fixed to the output shaft of the drive member 310 so that the drive wheel 350 and the output shaft of the drive member 310 are coaxially arranged.

[0070] In the embodiments of this application, the driven wheel 360 and the end of the lead screw 330 are detachably connected. For example, the middle part of the driven wheel 360 is inserted and fixed to the end of the lead screw 330 so that the driven wheel 360 and the end of the lead screw 330 are coaxially arranged.

[0071] In the embodiments of this application, the transmission belt 370 is sleeved on the outside of the driving wheel 350 and the driven wheel 360. The transmission belt 370 can mesh with the driving wheel 350 and the driven wheel 360. For example, the inner side of the transmission belt 370 is provided with a rack, and the driving wheel 350 and the driven wheel 360 are gears, so that the rotation of the driving wheel 350 can drive the driven wheel 360 to rotate.

[0072] Please refer to Figure 2 and Figure 4 The detection device also includes a guide assembly 500, which is disposed on the base 100 and parallel to the lead screw 330. The guide assembly 500 is used to guide the movement of the nut seat 340 in the first direction.

[0073] It should be noted that when the nut seat 340 moves along the first direction, the guide assembly 500 can also move along the first direction with the nut seat 340 to guide the movement of the nut seat 340 in the first direction and prevent the nut seat 340 from shifting its position during movement.

[0074] In the embodiments of this application, the number of guide components 500 is not limited to one. When the number of guide components 500 is at least two, each guide component 500 can be arranged in parallel at intervals.

[0075] For details, please refer to Figure 2 and Figure 4 The guide assembly 500 includes a guide rail 510, a slider 520 and a connecting plate 530. The slider 520 is slidably mounted on the guide rail 510 along a first direction. The connecting plate 530 is fixedly connected to the nut seat 340 and the slider 520 respectively. The detection assembly 200 is fixed on the connecting plate 530.

[0076] It is understandable that when the nut seat 340 moves along the first direction, due to the setting of the connecting plate 530, the slider 520 can also move along the first direction with the nut seat 340 to guide the movement of the nut seat 340 in the first direction.

[0077] In the embodiments of this application, the connecting plate 530 is detachably connected to the nut seat 340 and the slider 520, respectively, and the connecting plate 530 covers the top side of the nut seat 340 and the slider 520. The connecting plate 530 is constructed as a plate-like structure, and the outer contour of the plate-like structure can be rectangular, circular, or elliptical.

[0078] In the embodiments of this application, the slider 520 is constructed as a block structure, and the outer contour of the block structure can be a cube, cuboid, or other shapes.

[0079] Please refer to Figure 2 The detection device also includes a positioning component 600, which includes a photoelectric sensor 610 and a sensing plate 620. The sensing plate 620 is fixed to the connecting plate 530, and the photoelectric sensor 610 is located on the base 100. When the sensing plate 620 passes the photoelectric sensor 610, it will send a feedback signal to determine the moving position of the nut seat 340.

[0080] Here, since the sensing plate 620 is fixed to the connecting plate 530, the connecting plate 530 and the nut seat 340 move synchronously. During the movement, the sensing plate 620 will give a feedback signal when it passes the photoelectric sensor 610. The position of the nut seat 340 can be determined by the feedback signal from the photoelectric sensor 610.

[0081] In the embodiments of this application, the number of positioning components 600 is not limited to one. When the number of positioning components 600 is at least two, each positioning component 600 can be located at a different position.

[0082] For a specific embodiment, please refer to Figure 2 There are three photoelectric sensors 610, which are arranged side by side and spaced apart along the first direction. Two of the photoelectric sensors 610 are aligned with the end positions of the guide rail 510, and the other photoelectric sensor 610 is aligned with the middle position of the guide rail 510.

[0083] Understandably, since the sensing plate 620 is fixed to the connecting plate 530, and the connecting plate 530 moves synchronously with the nut seat 340, the sensing plate 620 will provide feedback signals when it passes through the three photoelectric sensors 610 during the movement. Two of the photoelectric sensors 610 are aligned with the end positions of the guide rail 510, which can determine whether the moving position of the nut seat 340 has reached the left and right limit positions. The other photoelectric sensor 610 is aligned with the middle position of the guide rail 510, which can determine whether the moving position of the nut seat 340 is at the starting position.

[0084] In the embodiments of this application, the three photoelectric sensors 610 are all of the same type, and the three photoelectric sensors 610 are arranged side by side at intervals along the first direction.

[0085] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0086] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A detection device for detecting whether a flip-chip film strip contains a chip, characterized in that, The detection device includes: Base; A detection component is movably disposed on the base along a first direction, which is the transport direction of the flip-chip film strip; A driving component, connected to the detection component and capable of driving the detection component to move along the first direction; The detection component includes an electrically connected transmitter and a receiver, which are distributed opposite to each other and spaced apart along a second direction, which is the thickness direction of the flip-chip film strip. The transmitter emits detection light, and the receiver determines whether the flip-chip film strip has a chip based on whether it can receive the detection light.

2. The detection device according to claim 1, characterized in that, The detection component further includes two fixed bases that are opposite to each other and spaced apart along the second direction. Each fixed base is connected to the driving component, and the transmitter and the receiver are respectively mounted on the corresponding fixed bases.

3. The detection device according to claim 2, characterized in that, The mounting base includes a protective cover, a mounting plate, a support plate, and a fixing block. The transmitter or the receiver is fixed to the fixing block. The fixing block is vertically connected to the support plate. The support plate is connected to the drive assembly through the mounting plate. The protective cover is fixed to the support plate and covers the transmitter or the receiver.

4. The detection device according to claim 1, characterized in that, The detection device further includes a signal amplification component, which is disposed on the base and used to amplify the signals of the transmitter and / or the receiver.

5. The detection device according to claim 4, characterized in that, The signal amplification component includes a support and a sensor amplifier. The support is fixed to the base, and the sensor amplifier is disposed on the support.

6. The detection device according to claim 1, characterized in that, The drive assembly includes a drive component, a support block, a lead screw, and a nut seat. The nut seat is sleeved on the lead screw, the lead screw is rotatably mounted on the support block, the support block is fixed to the base, and the drive component is connected to the lead screw in a transmission manner. Driven by the driving member, the lead screw rotates to drive the nut seat to move along the first direction.

7. The detection device according to claim 6, characterized in that, The drive assembly further includes a drive wheel, a driven wheel, and a transmission belt. The drive wheel is fixedly connected to the output shaft of the drive component, the driven wheel is fixedly connected to the lead screw, and the transmission belt is sleeved on the drive wheel and the driven wheel. Driven by the driving component, the driving wheel rotates, which in turn drives the driven wheel and the lead screw to rotate.

8. The detection device according to claim 6, characterized in that, The detection device further includes a guide assembly, which is disposed on the base and parallel to the lead screw. The guide assembly is used to guide the movement of the nut seat in the first direction.

9. The detection device according to claim 8, characterized in that, The guiding assembly includes a guide rail, a slider, and a connecting plate. The slider slides along the first direction on the guide rail. The connecting plate is fixedly connected to the nut seat and the slider, respectively. The detection assembly is fixed to the connecting plate.

10. The detection device according to claim 9, characterized in that, The detection device further includes a positioning component, which includes a photoelectric sensor and a sensing plate. The sensing plate is fixed to the connecting plate, and the photoelectric sensor is located on the base. When the sensing plate passes the photoelectric sensor, it will send a feedback signal to determine the moving position of the nut seat.

11. The detection device according to claim 10, characterized in that, The number of photoelectric sensors is three, and the three photoelectric sensors are arranged side by side and spaced apart along the first direction. Two of the photoelectric sensors are aligned with the end positions of the guide rail, and the other photoelectric sensor is aligned with the middle position of the guide rail.

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