Optical sensor package laser printing fixture
By using vacuum components and clamping plates in the laser printing fixture for light sensor packaging, the problem of unstable printing on the substrate was solved, achieving stable fixation of the substrate and improving the printing quality, while protecting the substrate and the cover.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU GOODARK ELECTRONICS CO LTD
- Filing Date
- 2025-06-30
- Publication Date
- 2026-07-07
AI Technical Summary
Existing dual-laser-head printing machines and their fixtures cannot meet the printing requirements of light sensor packaging substrates. In particular, due to the uneven thickness of the substrate and the small printing area, the printing is unstable and the cover is easily damaged.
A laser printing fixture for packaging light sensors was designed, employing a vacuum assembly and a clamping plate. The clamping plate has raised strips and silicone strips embedded in grooves. Vacuum adsorption and silicone strips are used to press the substrate firmly, ensuring that the substrate does not loosen or shift during the printing process, and protecting the substrate and the cover.
It improves the fixing strength of the substrate and the printing quality, reduces substrate loosening and displacement, protects the substrate and cover, and improves the printing pass rate.
Smart Images
Figure CN224465505U_ABST
Abstract
Description
Technical Field
[0001] This application relates to laser printing technology, specifically to a laser printing fixture for packaging a light sensor. Background Technology
[0002] Laser printing needs to be done after the product is plastic-sealed and capped. Because there is a thick plastic sealant on one side after the product is plastic-sealed, the product is thicker on one side and thinner on the other. Moreover, the printing area of the entire substrate is small. The size of the printing area is usually only 110mm*63mm in length*width. Therefore, conventional dual-laser head printing machines and their fixtures cannot meet the printing requirements of the product.
[0003] To meet the printing requirements of printing machines with a single laser head structure, our company designed a printing fixture. The fixture has a spacer plate on the clamping plate to clamp the substrate. However, due to the dense arrangement of the covers on the substrate, the spacer plate does not have enough space to fall. Furthermore, if there is a deviation during transmission, the spacer plate will press on the cover, causing damage to the cover. Therefore, the fixture needs to be redesigned to meet the usage requirements. Utility Model Content
[0004] To overcome the above-mentioned defects, this application provides a laser printing fixture for packaging light sensors. The fixture has raised strips on both sides of the clamping plate, and a flexible silicone strip is placed inside the raised strip. The silicone strip is used to press the thin substrate, so that the substrate will not loosen or shift during printing and conveying, and the silicone strip will not damage the substrate.
[0005] The technical solution adopted by this application to solve its technical problem is:
[0006] A laser printing fixture for packaging light sensors includes a vacuum assembly and a clamping plate. The clamping plate has a raised strip with a groove on it, and a silicone strip is installed in the groove. The vacuum assembly includes a semi-vacuum cover and a vacuum base. The semi-vacuum cover includes an adsorption area and a closed area. The adsorption area has a suction hole, and the closed area has a first groove. The vacuum base has a vacuum cavity and a second groove. The semi-vacuum cover is fixedly installed on the vacuum base and covers the vacuum cavity. The suction hole is connected to the vacuum cavity. The first groove and the second groove are joined to form a clearance groove. In use, the substrate is placed in the adsorption area, the vacuum assembly is connected to a vacuum pipe, and the vacuum pipe fixes the substrate to the semi-vacuum cover through the vacuum cavity and the suction hole. The silicone strip is pressed against the substrate.
[0007] Optionally, the lower surface of the protrusion is a clamping surface, the groove is formed on the clamping surface, and the silicone strip protrudes from the clamping surface.
[0008] Optionally, the depth of the groove is 1 mm ± 0.1 mm.
[0009] Optionally, a through groove and a locking hole are provided on the clamping plate, a device sensing window is provided on the inner side wall of the through groove, and a clamping strip and the protruding strip are provided on the inner side wall of the through groove, with the protruding strip protruding from the clamping strip toward the inner side of the through groove.
[0010] Optionally, the through groove is provided with a first inner sidewall, a second inner sidewall, a third inner sidewall, and a fourth inner sidewall connected in sequence. The first inner sidewall and the third inner sidewall are arranged opposite to each other, and the second inner sidewall and the fourth inner sidewall are arranged opposite to each other. The first inner sidewall is provided with a device sensing window, which communicates with the through groove. The second inner sidewall and the fourth inner sidewall are both provided with the clamping strip and the protrusion.
[0011] Optionally, the substrate is transported by a conveying unit, which includes a frame and a conveyor belt. The substrate is placed on the conveyor belt, the vacuum assembly is mounted on the frame below the conveyor belt, and the clamping plate is fixedly mounted on the frame above the conveyor belt. The vacuum assembly is connected to a lifting unit, which can drive the substrate to move up and down so that the clamping plate clamps or releases the substrate.
[0012] Optionally, the vacuum base has a cylinder extension hole at its end. The vacuum base includes a base plate and a side plate fixedly connected to the base plate. The base plate and the side plate form the vacuum cavity. A protrusion extends from the base plate toward the vacuum cavity. The semi-vacuum cover plate is supported on the side plate and the protrusion.
[0013] Optionally, the semi-vacuum cover is fixedly installed on the vacuum base by locking screws, and an external vacuum device is connected to the vacuum chamber of the vacuum base through the vacuum pipe.
[0014] The beneficial effects of this application are:
[0015] (1) This printing fixture includes a vacuum component and a clamping plate. The vacuum component includes a semi-vacuum cover plate and a vacuum base. The substrate is clamped between the vacuum component and the clamping plate. Several encapsulation bodies are provided on the substrate. The vacuum component is connected to a vacuum pipe. The vacuum pipe is used to form a negative pressure in the vacuum chamber of the vacuum base. The substrate is adsorbed onto the semi-vacuum cover plate through the suction hole. The substrate is clamped on the top by a silicone strip on the clamping plate, thereby improving the fixing strength of the substrate, ensuring the quality of printing on the substrate, and improving the pass rate of the substrate.
[0016] (2) In this application, the semi-vacuum cover plate is provided with a closed area. The closed area does not have an air suction hole, which effectively prevents air leakage and improves the adsorption strength of the substrate. In this application, only the two sides of the clamping plate are provided with protrusions. The protrusions are provided with grooves and flexible silicone strips are placed in the grooves. The silicone strips are used to press the thin substrate, so that the substrate will not loosen or shift during printing and transmission. The silicone strips will not damage the substrate, which effectively solves the problem that the space between the covers on the substrate is limited and it is not easy to fix. Even if there is a deviation during transmission, the silicone strips will not crush the covers. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the printing fixture in this application;
[0018] Figure 2 This is an exploded view of the printing fixture in this application;
[0019] Figure 3 This is a schematic diagram of the vacuum assembly in this application;
[0020] Figure 4 This is one of the structural schematic diagrams of the semi-vacuum cover plate in this application;
[0021] Figure 5 This is the second structural schematic diagram of the semi-vacuum cover plate in this application;
[0022] Figure 6 This is a schematic diagram of the vacuum base in this application;
[0023] Figure 7 This is one of the structural schematic diagrams of the clamping plate in this application;
[0024] Figure 8 This is the second schematic diagram of the clamping plate in this application;
[0025] Figure 9 This is the third schematic diagram of the clamping plate in this application;
[0026] Figure 10 This is the fourth schematic diagram of the clamping plate in this application;
[0027] Figure 11 This is a diagram showing the usage status of the printing fixture in this application;
[0028] In the diagram: 10-semi-vacuum cover plate, 11-adsorption area, 12-suction hole, 13-closed area, 14-first groove, 20-vacuum base, 21-base plate, 22-side plate, 23-protrusion, 24-vacuum chamber, 25-second groove, 26-cylinder extension hole, 30-clamping plate, 31-equipment sensing window, 32-through groove, 33-clamping strip, 34-protrusion, 35-clamping surface, 36-groove, 37-locking hole, 40-substrate. Detailed Implementation
[0029] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the embodiments of this application. Obviously, the embodiments described in this application are only some embodiments of this application, and not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.
[0030] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such uses of the terms can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.
[0031] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.
[0032] Example: Figure 1-11As shown, a laser printing fixture for packaging a light sensor includes a vacuum assembly and a clamping plate 30. The clamping plate 30 has a protrusion 34 with a groove 36 for which a silicone strip is installed. The vacuum assembly includes a semi-vacuum cover plate 10 and a vacuum base 20. The semi-vacuum cover plate 10 includes an adsorption area 11 and a closed area 13. The adsorption area 11 has a suction hole 12, and the closed area 13 has a first groove 14. The vacuum base 20 has a vacuum cavity 24 and a second groove 25. The semi-vacuum cover plate 10 is fixedly installed on the vacuum base 20, and the semi-vacuum cover plate 10 covers the vacuum chamber 24. The suction hole 12 is interconnected with the vacuum chamber 24. The first groove 14 and the second groove 25 are spliced together to form a clearance groove. In use, the substrate 40 is placed in the adsorption area 11. The vacuum assembly is connected to the vacuum pipe. The vacuum pipe fixes the substrate 40 to the semi-vacuum cover plate 10 through the vacuum chamber 24 and the suction hole 12. The silicone strip is pressed against the substrate 40.
[0033] This printing fixture includes a vacuum assembly and a clamping plate 30. The vacuum assembly includes a semi-vacuum cover plate 10 and a vacuum base 20. The substrate 40 is clamped between the vacuum assembly and the clamping plate 30. The substrate 40 is provided with several encapsulated bodies. The vacuum assembly is connected to a vacuum pipe. The vacuum pipe creates a negative pressure in the vacuum chamber 24 of the vacuum base 20, and the substrate 40 is adsorbed onto the semi-vacuum cover plate 10 through the suction hole 12. The substrate 40 is clamped from above by a silicone strip on the clamping plate 30, thereby improving the fixing strength of the substrate 40, ensuring the printing quality of the substrate 40, and improving the pass rate of the substrate 40. In this application, the semi-vacuum cover plate 10 is provided with a closed area 13. The closed area 13 does not have an air suction hole 12, which effectively prevents air leakage and improves the adsorption strength of the substrate 40. In this application, only the two sides of the clamping plate 30 are provided with protrusions 34. The protrusions 34 are provided with grooves 36. Flexible silicone strips are placed in the grooves 36. The silicone strips are used to press the thin substrate 40, so that the substrate 40 will not loosen or shift during printing and conveying. The silicone strips will not cause damage to the substrate 40. This effectively solves the problem that the space left between the covers on the substrate 40 is limited and it is not easy to fix it. Even if there is a deviation during conveying, the silicone strips will not crush the covers, thus protecting the substrate 40 and the covers.
[0034] like Figure 8 As shown, the lower surface of the protrusion 34 is a clamping surface 35, and the groove 36 is formed on the clamping surface 35. The silicone strip protrudes from the clamping surface 35. This ensures that the silicone strip contacts and presses firmly against the substrate 40, thus protecting the substrate 40.
[0035] Optionally, in one possible implementation, the depth of the groove 36 is 1 mm ± 0.1 mm.
[0036] like Figure 7-10 As shown, the clamping plate 30 has a through groove 32 and a locking hole 37. A device sensing window 31 is formed on the inner wall of the through groove 32. The inner wall of the through groove 32 is provided with a clamping strip 33 and a protruding strip 34. The protruding strip 34 protrudes from the clamping strip 33 towards the inside of the through groove 32. The clamping strip 33 clamps the substrate 40 at its edge, and the silicone strip inside the protruding strip 34 presses against the gap between the cover and the substrate 40 near the edge, thereby fixing the substrate 40. The through groove 32 exposes the packaged contents in the substrate 40 for inspection or printing. The locking hole 37 is used to fix the clamping plate 30 to the frame with locking screws. The elongated locking hole 37 allows for fine-tuning of the clamping plate 30's fixed position. The device sensing window 31 facilitates the inspection and positioning of the substrate 40 by inspection and laser equipment.
[0037] like Figure 7 As shown, the through groove 32 is provided with a first inner sidewall, a second inner sidewall, a third inner sidewall, and a fourth inner sidewall connected in sequence. The first inner sidewall and the third inner sidewall are arranged opposite to each other, and the second inner sidewall and the fourth inner sidewall are arranged opposite to each other. The first inner sidewall is provided with a device sensing window 31, which communicates with the through groove 32. Both the second inner sidewall and the fourth inner sidewall are provided with the clamping strip 33 and the protrusion 34. Each of the second inner sidewall and the fourth inner sidewall is provided with two protrusions 34. The protrusions 34 on the second inner sidewall and the protrusions 34 on the fourth inner sidewall are symmetrically arranged with respect to the device sensing window 31. In this embodiment, the substrate 40 is fixed by the silicone strips in the four protrusions 34, resulting in uniform and stable force distribution.
[0038] Optionally, the substrate 40 is transported by a conveying unit, which includes a frame and a conveyor belt. The substrate 40 is placed on the conveyor belt, the vacuum assembly is mounted on the frame below the conveyor belt, and the clamping plate 30 is fixedly mounted on the frame above the conveyor belt. The vacuum assembly is connected to a lifting unit, which can drive the substrate 40 to move up and down so that the clamping plate 30 clamps or releases the substrate 40.
[0039] Optionally, the lifting unit is a lifting cylinder, and the clamping plate 30 is located above the vacuum assembly. When the conveyor belt transports the substrate 40 to the top of the vacuum assembly, the vacuum pipe is activated, creating a vacuum in the vacuum chamber 24 to adsorb the substrate 40 onto the semi-vacuum cover plate 10 through the suction hole 12. Then, the lifting cylinder pushes the substrate 40 upward, causing the silicone strip in the clamping plate 30 to clamp the upper surface of the substrate 40, thereby fixing the substrate 40 for printing, inspection, and other processes. In this application, the vacuum assembly adsorbs the lower surface of the substrate 40 onto the semi-vacuum cover plate 10 by creating a vacuum, and further presses the substrate 40 with the silicone strip of the clamping plate 30, improving the fixing strength of the substrate 40, ensuring the quality of printing on the substrate 40, and improving the pass rate of the substrate 40. In this application, the first groove 14 and the second groove 25 are used to form a clearance groove to avoid the rollers on the conveying unit, thereby realizing the up-and-down movement of the vacuum assembly.
[0040] like Figure 6 As shown, the vacuum base 20 has a cylinder extension hole 26 at its end. The vacuum base 20 includes a base plate 21 and a side plate 22 fixedly connected to the base plate 21. The base plate 21 and the side plate 22 form the vacuum cavity 24. A protrusion 23 extends from the base plate 21 toward the vacuum cavity 24. The semi-vacuum cover 10 is supported on the side plate 22 and the protrusion 23. The cylinder extension hole 26 is used for the cylinder head to extend, avoiding over-pushing during transmission. The side plate 22 is arranged along the peripheral wall of the base plate 21. Multiple protrusions 23 are provided in the central area of the base plate 21. On the one hand, the protrusions 23 support the semi-vacuum cover 10 and prevent it from sinking. On the other hand, locking screws are used to lock the central area of the semi-vacuum cover 10 onto the vacuum base 20, thereby improving the support strength and stability of the semi-vacuum cover 10.
[0041] The semi-vacuum cover plate 10 is fixedly installed on the vacuum base 20 by locking screws, and external vacuum equipment is connected to the vacuum chamber 24 of the vacuum base 20 through the vacuum pipe. Figure 4-6 As shown, multiple screw holes are provided on the semi-vacuum cover plate 10, and multiple screw holes are also provided on the side plate 22 of the vacuum base 20, so that the semi-vacuum cover plate 10 is fixed on the vacuum base 20 by locking screws to form a vacuum assembly. The semi-vacuum cover plate 10, the base plate 21 and the side plate 22 form a closed vacuum chamber 24.
[0042] 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 scope of protection of this application. Therefore, the scope of protection of this patent application shall be determined by the appended claims.
Claims
1. A laser printing fixture for packaging light sensors, characterized in that: The system includes a vacuum assembly and a clamping plate (30). The clamping plate (30) has a protrusion (34) and a groove (36) on the protrusion (34). A silicone strip is installed in the groove (36). The vacuum assembly includes a semi-vacuum cover plate (10) and a vacuum base (20). The semi-vacuum cover plate (10) includes an adsorption area (11) and a sealing area (13). The adsorption area (11) has an air intake hole (12). The sealing area (13) has a first groove (14). The vacuum base (20) has a vacuum chamber (24) and a second groove (25). The semi-vacuum cover plate... (10) is fixedly installed on the vacuum base (20), and the semi-vacuum cover plate (10) covers the vacuum chamber (24). The suction hole (12) is connected to the vacuum chamber (24). The first groove (14) and the second groove (25) are spliced together to form a clearance groove. When in use, the substrate (40) is placed in the adsorption area (11). The vacuum component is connected to the vacuum pipe. The vacuum pipe fixes the substrate (40) on the semi-vacuum cover plate (10) through the vacuum chamber (24) and the suction hole (12). The silicone strip is pressed against the substrate (40).
2. The laser printing fixture for packaging light sensors according to claim 1, characterized in that: The lower surface of the protrusion (34) is a clamping surface (35), and the groove (36) is formed on the clamping surface (35). The silicone strip protrudes from the clamping surface (35).
3. The laser printing fixture for packaging light sensors according to claim 1, characterized in that: The depth of the groove (36) is 1mm ± 0.1mm.
4. The laser printing fixture for packaging light sensors according to claim 1, characterized in that: A through groove (32) and a locking hole (37) are provided on the clamping plate (30). A device sensing window (31) is provided on the inner side wall of the through groove (32). A clamping strip (33) and a protruding strip (34) are provided on the inner side wall of the through groove (32). The protruding strip (34) protrudes from the clamping strip (33) toward the inner side of the through groove (32).
5. The laser printing fixture for packaging light sensors according to claim 4, characterized in that: The through groove (32) is provided with a first inner sidewall, a second inner sidewall, a third inner sidewall and a fourth inner sidewall connected in sequence. The first inner sidewall and the third inner sidewall are arranged opposite to each other, and the second inner sidewall and the fourth inner sidewall are arranged opposite to each other. The first inner sidewall is provided with a device sensing window (31), which is connected to the through groove (32). The second inner sidewall and the fourth inner sidewall are both provided with the clamping strip (33) and the protrusion (34).
6. The laser printing fixture for packaging light sensors according to claim 1, characterized in that: The substrate (40) is transported by a conveying unit, which includes a frame and a conveyor belt. The substrate (40) is placed on the conveyor belt. The vacuum assembly is installed on the frame below the conveyor belt. The clamping plate (30) is fixedly installed on the frame above the conveyor belt. The vacuum assembly is connected to a lifting unit. The lifting unit can drive the substrate (40) to move up and down so that the clamping plate (30) clamps or releases the substrate (40).
7. The laser printing fixture for packaging light sensors according to claim 1, characterized in that: The vacuum base (20) has a cylinder extension hole (26) at its end. The vacuum base (20) includes a base plate (21) and a side plate (22) fixedly connected to the base plate (21). The base plate (21) and the side plate (22) form the vacuum cavity (24). A protrusion (23) extends from the base plate (21) toward the vacuum cavity (24). The semi-vacuum cover plate (10) is supported on the side plate (22) and the protrusion (23).
8. The laser printing fixture for packaging light sensors according to claim 1, characterized in that: The semi-vacuum cover plate (10) is fixedly installed on the vacuum base (20) by locking screws, and the external vacuum equipment is connected to the vacuum chamber (24) of the vacuum base (20) through the vacuum pipe.