Loading strip tube for accurate observation and handling of products

Abstract

The utility model belongs to but is not limited to product loading technical field, disclose a kind of loading strip pipe of accurate observation, processing product, loading strip pipe front and back are provided with observation window;Loading strip pipe front observation window corresponding plastic package body printing surface horizontal center area, back observation window corresponding plastic package body printing surface horizontal center area;The loading strip pipe is provided with center connecting rib, and product can be stuck, so that real product will not fall out.The utility model not only can bear product also can clearly check product appearance condition, avoid the design of bad product outflow, facilitate actual observation of production line operation, guarantee product appearance quality, it is convenient to check and observe bad, improve product circulation speed.

Description

Technical Field

[0001] This utility model belongs to, but is not limited to, the field of product loading technology, and particularly relates to a loading strip that can accurately observe and process products. Background Technology

[0002] Existing loading strips are mostly closed structures, making it impossible to directly and accurately observe and handle the loading status of the products inside (such as positional deviation, quantity shortage, surface damage, etc.). They require manual disassembly or auxiliary tools (such as endoscopes), which is inefficient and involves a lot of repetitive work. They lack a clear direct observation window, making it difficult to quickly identify the product's appearance, model, batch, or loading progress. This can easily lead to management chaos, especially when multiple specifications of products are mixed.

[0003] The closest prior art discloses an electronic component loading strip for loading electronic components. This strip is injection molded from standard plastic material and is suitable for the automatic taping and transport of various TO-packaged devices. The strip body has a closed structure with several positioning holes only at the top for equipment identification, and the overall structure is enclosed.

[0004] Although the aforementioned loading strip technology can achieve basic packaging and transportation of components, the following key technical problems remain unresolved:

[0005] 1. Lack of a viewing window design makes it impossible to intuitively identify packaged products: The strip body in this technology has a completely closed structure, making it impossible to clearly and directly observe the device's model, batch number, appearance defects, or packaging consistency when it is loaded. This results in the need to frequently disassemble the tube and remove the product for inspection, which is not only inefficient but also increases the risk of electrostatic and mechanical damage to the device.

[0006] 2. The traditional strip structure has a single fixing method and lacks limiting measures to prevent products from sliding or falling off: Traditional strips only hold components by the inner wall size. If the width of the component body is slightly different, the product is easy to loosen or even fall off during operation or flipping, which is not suitable for the current high-density packaging and sorting operation requirements.

[0007] Therefore, in view of the shortcomings of the prior art, this utility model significantly improves the overall performance of the loading strip in terms of visual recognition, batch sorting and anti-slip and anti-drop by setting up front and back observation windows and central connecting rib limiting structure, and has outstanding practicality and technical improvement value. Utility Model Content

[0008] In view of the problems existing in the prior art, this utility model provides a loading strip that can accurately observe and process products.

[0009] This utility model is implemented as follows: a loading strip that can accurately observe and process products, wherein the loading strip is provided with observation windows on the front and back; the observation window on the front of the loading strip corresponds to the horizontal center area of ​​the printed surface of the plastic seal, and the observation window on the back corresponds to the horizontal center area of ​​the printed surface of the plastic seal.

[0010] Furthermore, the loading strip is equipped with a central connecting rib, which can hold the product in place and prevent the product from falling out.

[0011] This utility model's loading strip, which allows for accurate observation and processing of products, features windows on the front and back, enabling direct observation and contact with the product while it is regularly placed within the loading strip. This allows for direct confirmation and cleaning of the product's appearance.

[0012] Since the actual problems with the product are mostly on the front and back, it is possible to open windows on both sides to confirm and handle the actual product from both sides.

[0013] This utility model's loading strip, which allows for accurate observation and processing of products, not only carries the products but also provides a clear view of their appearance, preventing defective products from flowing out. This design facilitates actual observation during production line operation, ensures product appearance quality, makes it easy to inspect for defects, and improves product flow speed. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the loading strip of the present invention (slotted on the front);

[0015] Figure 2 This is a schematic diagram of a strip tube provided by existing technology;

[0016] Figure 3 This is a schematic diagram (rear view) of the loading strip structure of the present invention.

[0017] In the diagram: 1. Pipe body; 2. First rectangular window; 3. Embedded cavity; 4. Longitudinal connecting rib; 5. Second rectangular window; 6. Stop. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the following detailed description is provided in conjunction with embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this utility model.

[0019] In traditional enclosed IC strips, devices must be unrolled in a row before the silkscreen and pin plating can be inspected. If defects are found, the strips must be reassembled. This repeated handling not only triggers ESD risks but also slows down the workflow due to non-value-adding actions like "disassembly-inspection-reassembly." The project first increased the overall length of the strip during the design phase while retaining allowances at both ends. It also introduced a "mother-child" approach: embedding the original standard strip entirely into the new strip, maintaining the original parallel pitch of the devices while freeing up extra shell wall thickness as a reinforcement area. This provides a reduction margin for subsequent local grooving, fundamentally solving the inherent contradiction of "grooving weakens the core."

[0020] After selecting the polycarbonate (PC) antistatic substrate, CO2 laser is used to autoclave the corresponding section of the positive molding compound. Figure 1 A 0.9mm × 33mm rectangular window is cut between the centerline of the longitudinal connecting rib at position 4 and the corresponding connecting rib position on the right side; the cut ends without penetrating, retaining a 0.4mm longitudinal connecting rib. The connecting rib has both limiting and load diversion functions, ensuring that the component is still pressed tightly at the tolerance center and does not experience radial wobble. This avoids the component falling or being misaligned due to the opening in the tube wall, breaking through the old process pain point of "being able to see but not to hold".

[0021] The reverse window adopts a mirror layout, but its width is increased by 0.2mm to allow for the molding margin of the resin flash on the back. The laser melting edge instantly melts and rounds the corners, forming a smooth chamfer at the μm level, eliminating the need for a secondary deburring process. The complementary light path characteristics of the front and back windows allow the dark field and the angled top light to penetrate the encapsulation at different angles. Low-contrast defects such as missing characters in the silkscreen, uneven tin plating, and resin pinholes can be developed in a single top view, breaking the blind spots of inspection that previously required flipping or disassembling the tube.

[0022] After processing, the newly grooved strip underwent a 1m drop test and a 5kg static pressure test. The peak shear stress of the encapsulated body increased by only 8% compared to the intact tube, remaining within the requirements of IPC / JEDEC J-STD-033. The transient resistance of the connecting rib area was equivalent to that of the original tube, and ESD-S20.20 measurements showed that the resistance remained at 10 Ω. 8 -10 9 Within Ω, the electrostatic discharge performance is not compromised by the window, achieving the goal of "mechanical thinning without electrical reduction".

[0023] After going live, visual inspection staff can use a 45° direct-light lamp and a dust-free air knife to directly wipe and remove debris from the components at the slot, and then immediately confirm the return of good products by scanning the barcode. The entire cycle is completed in a closed loop of "component-daughter tube-mother tube", eliminating loose parts and the need for tube-turning auxiliary fixtures. Actual SMT front-end verification shows that the processing time for 3,000 tubes in the same batch was reduced from 5 hours to 1.5 hours, the process yield increased by 1.6 percentage points, and the peak current during overtime also decreased.

[0024] The new double-window extension tube utilizes the synergy between structural ribs and optical windows to allow inspection, cleaning, and rework to be completed in the same clamping state. This eliminates the mechanical impact and electrostatic threats caused by disassembly and assembly, and transforms appearance quality inspection from "point inspection-reassembly" to "online continuous inspection." It realizes a one-stop, visualized, operable, and traceable closed loop for packaged devices in the later-stage turnover, thereby shortening the assembly cycle and increasing the release speed of good products throughout the entire chain.

[0025] like Figure 1 , 3 As shown, this utility model embodiment provides a double-window extension tube, which consists of a tube body 1 and stops 6 located at both ends of the tube body 1, characterized in that:

[0026] The length of the tube body 1 is greater than the length of the original standard strip tube L, and the tube body 1 is provided with an embedding cavity 3 for accommodating the original standard strip tube;

[0027] The tube body 1 has a first rectangular window 2 located on the front of the middle part of the embedded cavity 3, and a longitudinal connecting rib 4 is provided at each end of the first rectangular window 2.

[0028] The tube body 1 has a second rectangular window 5 located on the back side of the middle part of the embedded cavity 3, which is opposite to the first rectangular window 2. A longitudinal connecting rib 4 is provided at each end of the second rectangular window 5.

[0029] The center lines of the first rectangular window 2 and the second rectangular window 5 are located in the same horizontal center plane.

[0030] This utility model embodiment provides a tube body 1 made of antistatic PVC material in one piece.

[0031] In this embodiment of the utility model, the length of the first rectangular window 2 is equal to the length of the device to be loaded in the embedded cavity 3 plus 22*2=44 mm.

[0032] In this embodiment of the utility model, the thickness of the longitudinal connecting rib 4 is 0.4 mm, and its length is consistent with the length of the corresponding window.

[0033] The present invention provides that the stop 6 is composed of a solid boss made of the same material as the tube body 1, and the outer end face of the stop 6 is flush with the outer wall of the tube body 1.

[0034] This embodiment of the utility model provides that the edges of the first rectangular window 2 and the second rectangular window 5 are laser-fused rounded corner structures with a rounded corner radius of less than 0.05 mm.

[0035] like Figure 1 , 2As shown, this utility model embodiment provides a loading strip that can accurately observe and process products. The loading strip has observation windows on the front and back. The observation window on the front of the loading strip corresponds to the horizontal center area of ​​the printed surface of the plastic seal, and the observation window on the back corresponds to the horizontal center area of ​​the printed surface of the plastic seal.

[0036] The loading tube is equipped with a central connecting rib, which can hold the product in place and prevent it from falling out.

[0037] (1) Strip design for processing and confirming the front of the product

[0038] The dashed lines represent the boundaries, from... Figure 1 Starting from position 4 of the longitudinal connecting rib and ending at the corresponding connecting rib position on the right, the front is cut off, that is, the horizontal center area of ​​the printed surface of the plastic seal is grooved, but the upper and lower connecting ribs hold it in place, so that the actual product will not fall out, making it easy to observe, distinguish and process the product.

[0039] (2) Strip design used for processing and confirming the back of the product

[0040] Similarly, the front of the tube remains unchanged, while the corresponding back is slotted. The area marked by the two black straight lines is cut off on the front of the tube, that is, the horizontal center area of ​​the printed surface of the plastic seal is slotted, but there is a central connecting rib to hold it in place so that the actual product will not fall out, making it easier to observe, distinguish and process the product.

[0041] The loading strip structure proposed in this utility model, by providing observation slots on both sides of the strip and retaining the central connecting rib limiting structure, enables visual identification and processing of the appearance features of chips or devices while ensuring stable product packaging. Its core function lies in achieving rapid and clear product identification without compromising the universal assembly dimensions of standard strips.

[0042] Firstly, in the frontal structural design of the strip tube, self- Figure 1 A visualization window area is set between position 4 of the longitudinal connecting rib and the corresponding center line on the right. By precisely cutting through this area, the horizontal center area of ​​the printed text on the product's plastic seal is exposed, allowing operators to manually or optically identify key information such as the product's appearance, model, and batch number without removing the product, thus improving sorting and confirmation efficiency. The cut surface of this window is formed by high-precision hot cutting with a mold, ensuring clean edges and clear readability of product markings.

[0043] Secondly, the rear structure of the mounting strip also features an observation window, positioned identically to the front, pointing towards the central axis of the molding compound. This design facilitates direct observation of key quality indicators such as pin soldering quality and molding compound consistency from the back. In double-sided inspection scenarios, the openness of the rear window allows operators to flip the casing over with a single click for intuitive inspection, improving the efficiency of testing and re-inspection processes.

[0044] Third, to ensure sufficient clamping stability and transportation safety of the strip after the window area is cut off, this structure retains a central connecting rib for reinforcement. This connecting rib is located on the longitudinal central axis of the device and provides a slight clamping effect, preventing the device from slipping out or falling due to the strip tilting, vibration, or flipping. It is one of the key features to ensure the functional integrity of the strip.

[0045] Fourth, the viewing opening width in this structural design matches the plastic seal with high precision, maintaining a tolerance range of ±1mm. This not only ensures the viewing window completely covers the printed area but also prevents the product from being damaged due to errors or the window being too large, which could affect the rigidity of the tube. High-transparency polystyrene or modified PC is used as the material, resulting in high light transmittance during visual recognition and preventing fogging interference.

[0046] Fifth, the loading strip is compatible with standard pallets and blister pack loading equipment, and the observation window does not interfere with traditional packaging methods, facilitating compatibility with existing production line processes. This structure is achieved through a single injection molding process with precise localized hot-cut windows, eliminating the need for subsequent processes, significantly reducing processing costs, and improving product consistency.

[0047] Finally, this observation window structure has significant practical value in processes such as defective product identification, tape and reel testing, and manual screening. Operators can quickly identify suspicious items, perform preliminary classification, and even assist in electrostatic brushing processes without disassembling the entire strip, greatly improving production cycle time and the accuracy of good product control.

[0048] like Figure 1 As shown, the structure remains unchanged, but the length L of the original tube is increased by 44mm in the middle, and a horizontal window / groove is created, as shown. Figure 2 As shown:

[0049] The product is secured inside the tube by the two horizontal ribs shown in the image below. The extended sides prevent the entire front of the product from being visible inside the tube due to insufficient tube length, thus avoiding issues with the edges not being properly finished. Groove dimensions:

[0050] 1) From Figure 1 The longitudinal connecting bar starts at position 4 and ends at the corresponding connecting bar position on the right side;

[0051] 2) The product is controlled at the position marked by the two dotted lines above and below the words "printed on the surface" in the above image.

[0052] 3) Create windows / grooves along the dotted lines at the top, middle, and bottom (as shown in the diagram, create 3 grooves):

[0053] Top dimensions: Height = W1 - W2 - 0.8 * 3, Length = L;

[0054] Chinese dimensions: Height = W2, Length = L;

[0055] Bottom dimensions: Height = W3, Length = L;

[0056] Back design drawing as follows Figure 3 As shown, similarly, with the structure unchanged, the length of the original tube L is increased by 22*2=44mm in the middle, and a horizontal window / groove is made:

[0057] The product is secured inside the tube by the two horizontal ribs shown in the image below. The extended sides prevent the entire back of the product from being visible inside the tube due to insufficient tube length, thus avoiding issues with the edges not being properly finished. Groove dimensions:

[0058] 1) From Figure 1 The longitudinal connecting bar starts at position 4 and ends at the corresponding connecting bar position on the right side;

[0059] 2) The dotted line in the diagram below serves as the boundary; products are controlled at this location.

[0060] 3) Open windows / grooves above and below the dotted line respectively:

[0061] Top dimensions: Height = W1 - 0.8, Length = L;

[0062] Bottom dimensions: Height = W3, Length = L;

[0063] Note:

[0064] W1: Figure 1 In Figure 3, the distance from the top of the right vertical groove to the bottom of the second protruding slot;

[0065] W2: For Figure 1 In Figure 3, the vertical distance between the two vertically protruding slots on the right side;

[0066] W3: Figure 1 In Figure 3, the distance from the bottom of the second vertical slot in the third vertical section on the right to the bottom of the strip tube is...

[0067] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model 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 utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0068] The above description is only a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any modifications, equivalent substitutions and improvements made by those skilled in the art within the technical scope disclosed in this utility model, and within the spirit and principles of this utility model, should be included within the protection scope of this utility model.

Claims

1. A loading strip for accurately observing and processing products, comprising a tube body and stops located at both ends of the tube body, characterized in that, The length of the tube body is greater than the length of the original strip tube L, and the tube body is provided with an embedding cavity for accommodating the original strip tube; The tube body has a first rectangular window located on the front side of the embedded cavity, and a longitudinal connecting rib is provided at each end of the first rectangular window. The tube body has a second rectangular window opposite to the first rectangular window at the back position of the middle part of the embedded cavity, and a longitudinal connecting rib is provided at each end of the second rectangular window; The center lines of the first rectangular window and the second rectangular window are located in the same horizontal center plane.

2. The loading strip for accurately observing and processing products as described in claim 1, characterized in that, The tube body is made of antistatic PVC material in one piece.

3. The loading strip for accurately observing and processing products as described in claim 1, characterized in that, The length of the first rectangular window is equal to the length of the device to be loaded in the cavity plus 22*2=44 mm.

4. The loading strip for accurately observing and processing products as described in claim 1, characterized in that, The thickness of the longitudinal connecting rib is 0.4 mm, and its length is consistent with the length of the corresponding window.

5. The loading strip for accurately observing and processing products as described in claim 1, characterized in that, The stop is made of a solid boss of the same material as the tube body, and the outer end face of the stop is flush with the outer wall of the tube body.

6. The loading strip for accurately observing and processing products as described in claim 1, characterized in that, The edges of the first rectangular window and the second rectangular window are laser-fused rounded corner structures with a rounded corner radius of less than 0.05 mm.

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