Width-adjustable transmission mechanism suitable for optical detection of semiconductor products

By using a lead screw and cable chain structure in the optical inspection equipment for semiconductor products, combined with a speed reduction sensor, the problems of insufficient transmission speed and positioning accuracy have been solved, achieving efficient transmission and accurate inspection, and improving production efficiency.

CN223704016UActive Publication Date: 2025-12-23NANJING OPTICS ROBOT TECH CO LTD
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Patent Information

Application Number
CN202423285198.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-23
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

In existing optical inspection equipment for semiconductor products, even with increased conveyor belt speeds, the accuracy of transmission positioning and detection location remains insufficient, limiting capacity expansion.

Method used

The system employs a lead screw that simultaneously passes through both the fixed and moving conveyor belts, combined with a cable chain and a speed reduction sensor, to ensure the stability of the conveyor belts and the accuracy of transmission positioning. Width adjustment is achieved through a width-adjusting motor and a synchronous belt, further enhancing the stability and positioning accuracy of the transmission mechanism.

Benefits of technology

This approach achieves increased transmission speed while maintaining transmission positioning accuracy and detection position precision, thereby enhancing production capacity.

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Abstract

The utility model discloses a width-adjustable transmission mechanism suitable for optical detection of semiconductor products, which comprises a fixed belt line and a movable belt line, the lower surfaces of the two sides of the fixed belt line are fixedly connected with base plates, the upper surfaces of the base plates are fixedly connected with first sliding rails, and the first sliding rails are fixedly connected with second sliding rails. The upper surfaces of the two base plates are fixedly connected with a motor mounting plate parallel to the fixed belt line, and the upper surface of the motor mounting plate is fixedly connected with a width adjusting motor; the screw rod simultaneously penetrates through the fixed belt line and the movable belt line, so that the stability of the fixed belt line and the movable belt line is ensured; the drag chain is installed between the motor installation plate and the movable belt line, the stability of the movable belt line can be further improved while the line is bound, the speed reduction sensor is additionally arranged, the belt driving motor is controlled to conduct speed reduction treatment when the material box is sensed, the productivity is improved, and meanwhile the conveying and positioning precision is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to product detection transmission mechanism technical field, especially applicable to the adjustable width transmission mechanism of semiconductor product optical detection. BACKGROUND

[0002] The appearance defect detection of semiconductor products has been paid great attention to, for example, IGBT module detection, the detection equipment adopted in the industry at present is mostly belt line online detection, because the size of the product is not the same, single belt line can only meet the product detection of one size, Chinese patent discloses "a LED double -sided automatic optical detection machine", its application number is "CN201910023871.8", it is equipped with width adjustment track for conveying LED board on the machine, the width adjustment track is sequentially equipped with standby area, front detection area, plate turning area and back detection area from the plate inlet end to the plate outlet end, the XY control platform is arranged above the front detection area, the front CCD image taking module for taking the image of the front of LED board is arranged on the XY control platform, the plate turning mechanism for turning the LED board by 180 degrees is arranged on the plate turning area, the back CCD image taking module for taking the image of the back of LED board is arranged above the back detection area.

[0003] Through accurate inspection, the user can realize the quality control that artificial can not complete, reduce the production cost and the labor intensity of worker, but in order to improve the production capacity and improve the transmission speed of belt line, there is still deficiency in accurate arrival detection position and transmission positioning accuracy. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of adjustable width transmission mechanisms suitable for semiconductor product optical detection, utilize screw rod to pass through fixed belt line and mobile belt line simultaneously, ensure the stability of fixed belt line and mobile belt line;In addition, by installing tow chain between motor mounting plate and mobile belt line, the stability of mobile belt line can be further improved while being bound circuitry.

[0005] The utility model also provides adjustable width transmission mechanism suitable for semiconductor product optical detection, including: fixed belt line and mobile belt line, the lower surface of both sides of the fixed belt line is fixedly connected with base plate, the upper surface of the base plate is fixedly connected with slide rail one, the upper surface of two base plates is fixedly connected with motor mounting plate parallel with fixed belt line, the upper surface of the motor mounting plate is fixedly connected with width adjustment motor;

[0006] Both sides of the motor mounting plate are rotationally connected with lead screws, the output end of the width adjusting motor is rotationally connected with a synchronous belt through a belt wheel; the lower surfaces of both sides of the moving belt line are fixedly connected with sliding blocks one, the sliding blocks one are slidingly connected with sliding rails one, both sides of the moving belt line are provided with nut seats, the lead screws are in threaded cooperation with the nut seats, and the outer surfaces of the lead screws are rotationally connected with the moving belt line;

[0007] Both sides of the fixed belt line are provided with through holes, and the lead screws pass through the through holes; the side surfaces of the fixed belt line and the moving belt line are fixedly connected with lifting cylinders, and the output end of the lifting cylinder is fixedly connected with a pressing plate.

[0008] The outer surfaces of the fixed belt line and the moving belt line are fixedly connected with driving motors, the side surfaces of the fixed belt line and the moving belt line are provided with conveying belts, and the output end of the driving motor is rotationally connected with the conveying belt through a belt wheel.

[0009] The utility model discloses a width adjustable transmission mechanism suitable for semiconductor product optical detection, one side upper surface of motor mounting plate is fixedly connected with the chain drag, the other end of chain drag is fixedly connected with the moving belt line, the side surface of motor mounting plate and moving belt line is fixedly connected with the bracket, and chain drag and bracket are movably connected.

[0010] The utility model discloses a width adjustable transmission mechanism suitable for semiconductor product optical detection, one end of lead screw is fixedly connected with the belt wheel, and synchronous belt is connected with the belt wheel, the both sides of width adjusting motor are provided with the compression wheel, and the compression wheel is connected with synchronous belt.

[0011] The utility model discloses a width adjustable transmission mechanism suitable for semiconductor product optical detection, the side surface of fixed belt line and moving belt line is fixedly connected with the sliding rail no.

[0012] The utility model discloses a width adjustable transmission mechanism suitable for semiconductor product optical detection, the outer surface of pressing plate is fixedly connected with the lug.

[0013] The utility model discloses a width adjustable transmission mechanism suitable for semiconductor product optical detection, the inner surface of fixed belt line is equipped with the limit mechanism, and the upper surface of fixed belt line is fixedly connected with the deceleration inductor.

[0014] The utility model discloses a width adjustable transmission mechanism suitable for semiconductor product optical detection, the inner surface of fixed belt line is fixedly connected with the cylinder, and the output end of cylinder is fixedly connected with the limit mechanism.

[0015] The utility model discloses a width adjustable transmission mechanism suitable for semiconductor product optical detection, the upper surface of mobile belt line is equipped with side edge positioning mechanism, the upper surface fixedly connected with air cylinder of mobile belt line, the output of air cylinder is fixedly connected with side edge positioning mechanism.

[0016] Advantages

[0017] 1, compared with prior art, this width adjustable transmission mechanism suitable for semiconductor product optical detection utilizes screw rod to pass through fixed belt line and mobile belt line simultaneously, guarantees the stability of fixed belt line and mobile belt line, installs tow chain between motor mounting plate and mobile belt line, can further improve the stability of mobile belt line while binding line.

[0018] 2, compared with prior art, this width adjustable transmission mechanism suitable for semiconductor product optical detection increases deceleration inductor, controls belt drive motor deceleration treatment when inducting material box, improves the production capacity and guarantees transmission positioning accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0019] The utility model is further explained below by combining with the drawings and examples;

[0020] Figure 1 It is whole structural drawing of the utility model width adjustable transmission mechanism suitable for semiconductor product optical detection;

[0021] Figure 2 It is right side view of the utility model width adjustable transmission mechanism suitable for semiconductor product optical detection;

[0022] Figure 3 It is fixed belt line and mobile belt line structure schematic view of the utility model width adjustable transmission mechanism suitable for semiconductor product optical detection;

[0023] Figure 4 It is pressing plate structure schematic view of the utility model width adjustable transmission mechanism suitable for semiconductor product optical detection.

[0024] Legend:

[0025] 1, base plate, 2, fixed belt line, 3, mobile belt line, 4, motor mounting plate, 5, drive motor, 6, material disc, 7, width adjusting motor, 8, synchronous belt, 9, sliding block, 10, slide rail one, 11, screw rod, 12, tow chain, 13, pressing plate, 14, side edge positioning mechanism, 15, limit mechanism, 16, deceleration inductor, 17, protruding block, 18, lifting air cylinder, 19, slide rail two, 20, sliding block two. DETAILED DESCRIPTION

[0026] The detailed embodiments of the utility model will be described in detail in this part, the preferred embodiment of the utility model is shown in the drawings, the role of the drawings is to supplement the description of the written part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0027] Referring to Figures 1-4 The utility model embodiment is applicable to adjustable width's transmission mechanism of semiconductor product optical detection, it includes: fixed belt line 2 and mobile belt line 3, both sides lower surface of fixed belt line 2 are all fixedly connected with base plate 1, the upper surface of base plate 1 is all fixedly connected with slide rail one 10, the upper surface of two base plates 1 is fixedly connected with the motor mounting plate 4 parallel with fixed belt line 2, the upper surface of motor mounting plate 4 is fixedly connected with width-adjusting motor 7;

[0028] The left and right sides of motor mounting plate 4 are all rotationally connected with lead screw 11, and the output end of width-adjusting motor 7 is rotationally connected with synchronous belt 8 through pulley; The lower surface of mobile belt line 3 is all fixedly connected with slide block one 9, and slide block one 9 is slidably connected with slide rail one 10, and both sides of mobile belt line 3 are provided with nut seat, and lead screw 11 is threadedly matched with nut seat, and the outer surface of lead screw 11 is rotationally connected with mobile belt line 3;Both sides of fixed belt line 2 are provided with through hole, and lead screw 11 passes through the through hole;Lead screw 11 passes through fixed belt line 2 and mobile belt line 3 simultaneously, which ensures the relative stability of fixed belt line 2 and mobile belt line 3, and the side surface of fixed belt line 2 and mobile belt line 3 is fixedly connected with lifting cylinder 18, and the output end of lifting cylinder 18 is fixedly connected with pressing plate 13.

[0029] The outer surface of fixed belt line 2 and mobile belt line 3 is fixedly connected with driving motor 5, and the side surface of fixed belt line 2 and mobile belt line 3 is provided with conveying belt, and the output end of driving motor 5 is rotationally connected with conveying belt through pulley. The upper surface of one side of motor mounting plate 4 is fixedly connected with drag chain 12, and the other end of drag chain 12 is fixedly connected with mobile belt line 3, which can further improve the stability of mobile belt line 3, and the side surface of motor mounting plate 4 and mobile belt line 3 is fixedly connected with bracket, and drag chain 12 is movably connected with bracket. One end of lead screw 11 is fixedly connected with pulley, and synchronous belt 8 is connected with pulley, and both sides of width-adjusting motor 7 are provided with pressing wheel, and pressing wheel is rollingly connected with synchronous belt 8.

[0030] The side surface of the fixed belt line 2 and the side surface of the movable belt line 3 are fixedly connected with slide rails two 19, the pressing plate 13 is slidably connected with the slide rails two 19 through slide blocks two 20, the inconsistent degree of the front and rear ends can be prevented from being pressed down, and the stability of the pressing plate is improved. The outer surface of the pressing plate 13 is fixedly connected with the protrusions 17, the effect of the pressing plate is guaranteed, and the detected piece containing the protrusions can be avoided. The inner surface of the fixed belt line 2 is provided with a limiting mechanism 15, and the upper surface of the fixed belt line 2 is fixedly connected with a speed reducer sensor 16. The inner surface of the fixed belt line 2 is fixedly connected with a pneumatic cylinder, and the output end of the pneumatic cylinder is fixedly connected with the limiting mechanism 15.

[0031] The upper surface of the movable belt line 3 is provided with a side edge positioning mechanism 14, the upper surface of the movable belt line 3 is fixedly connected with a pneumatic cylinder, and the output end of the pneumatic cylinder is fixedly connected with the side edge positioning mechanism 14.

[0032] Working principle: the belt driving motor 5 drives the belt line with the tray 6 to move from the feeding port to the detection position at high speed, when the speed reducer sensor 16 detects the tray 6, the belt driving motor 5 is converted into low-speed operation, at the same time, the limiting mechanism 15 is driven to rise by the telescopic pneumatic cylinder, when one end of the tray 6 reaches the limiting mechanism 15, the belt driving motor 5 stops, the side edge positioning mechanism 14 is extended by the telescopic pneumatic cylinder to push the tray 6 to the side of the fixed belt line 2, then the pressing plate 13 is driven to press down by the lifting pneumatic cylinder 18 to fix the position of the tray 6, the side edge positioning mechanism 14 and the limiting mechanism 15 are reset, after the detection is completed, the pressing plate 13 is reset, and the belt driving motor 5 drives the tray 6 to the discharging port.

[0033] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled persons in the technical field without departing from the purpose of the utility model.

Claims

1. An adjustable-width transmission mechanism suitable for optical inspection of semiconductor products, characterized in that, include: A fixed belt (2) and a movable belt (3) are provided. The lower surfaces of both sides of the fixed belt (2) are fixedly connected to a base plate (1). The upper surfaces of the base plate (1) are fixedly connected to a slide rail (10). The upper surfaces of the two base plates (1) are fixedly connected to a motor mounting plate (4) parallel to the fixed belt (2). The upper surface of the motor mounting plate (4) is fixedly connected to a width-adjusting motor (7). Both sides of the motor mounting plate (4) are rotatably connected to lead screws (11), and the output end of the width-adjusting motor (7) is rotatably connected to a synchronous belt (8) via a pulley; The lower surfaces of both sides of the movable belt (3) are fixedly connected with sliders (9), sliders (9) are slidably connected with slide rails (10), nut seats are provided on both sides of the movable belt (3), screw (11) is threadedly engaged with nut seats, and the outer surface of screw (11) is rotatably connected with the movable belt (3). Both sides of the fixed belt (2) are provided with through holes, and the lead screw (11) passes through the through holes; Both the fixed belt (2) and the moving belt (3) are fixedly connected to the side surfaces of the lifting cylinder (18), and the output end of the lifting cylinder (18) is fixedly connected to the pressure plate (13).

2. The adjustable-width transmission mechanism for optical inspection of semiconductor products according to claim 1, characterized in that, Both the fixed belt (2) and the moving belt (3) are fixedly connected to a drive motor (5). Both the fixed belt (2) and the moving belt (3) are provided with a conveyor belt on their side surfaces. The output end of the drive motor (5) is rotatably connected to the conveyor belt through a pulley.

3. The adjustable-width transmission mechanism for optical inspection of semiconductor products according to claim 1, characterized in that, A drag chain (12) is fixedly connected to one side of the upper surface of the motor mounting plate (4), and the other end of the drag chain (12) is fixedly connected to the moving belt (3). A bracket is fixedly connected to the side surface of both the motor mounting plate (4) and the moving belt (3), and the drag chain (12) is movably connected to the bracket.

4. The adjustable-width transmission mechanism for optical inspection of semiconductor products according to claim 1, characterized in that, One end of the lead screw (11) is fixedly connected to a pulley, the synchronous belt (8) is connected to the pulley, and both sides of the width-adjusting motor (7) are provided with pressure wheels, which are rolledly connected to the synchronous belt (8).

5. The adjustable-width transmission mechanism for optical inspection of semiconductor products according to any one of claims 1-4, characterized in that, The side surfaces of the fixed belt (2) and the movable belt (3) are both fixedly connected to slide rails (19), and the pressure plate (13) is slidably connected to slide rails (19) via slider (20).

6. The adjustable-width transmission mechanism for optical inspection of semiconductor products according to claim 5, characterized in that, The outer surface of the pressure plate (13) is fixedly connected with a protrusion (17).

7. The adjustable-width transmission mechanism for optical inspection of semiconductor products according to any one of claims 1-4, characterized in that, The inner surface of the fixed belt (2) is provided with a limiting mechanism (15), and the upper surface of the fixed belt (2) is fixedly connected with a deceleration sensor (16).

8. The adjustable-width transmission mechanism for optical inspection of semiconductor products according to claim 7, characterized in that, A cylinder is fixedly connected to the inner surface of the fixed belt (2), and the output end of the cylinder is fixedly connected to the limiting mechanism (15).

9. The adjustable-width transmission mechanism for optical inspection of semiconductor products according to claim 8, characterized in that, The upper surface of the movable belt (3) is provided with a side positioning mechanism (14), and a cylinder is fixedly connected to the upper surface of the movable belt (3). The output end of the cylinder is fixedly connected to the side positioning mechanism (14).

Citation Information

Patent Citations

  • LED double-sided automatic optical detector

    CN109540920A