Lettering clamp for light sensor packaging laser
By designing a laser printing fixture for light sensor packaging combining vacuum components and clamping plates, the problem that the prior art is difficult to meet the limited printing area requirements of the light sensor substrate is solved, and efficient fixation and high-quality printing of the substrate are achieved.
Patent Information
- Application Number
- CN202421494347.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-06-27
AI Technical Summary
The existing laser printing technology is difficult to meet the needs of limited printing areas of the light sensor substrate, especially after the substrate is plasticized, the unevenness and small size of the printing area make it impossible for the printing machines and fixtures with conventional dual-laser head structures to effectively print.
A printing fixture for laser packaging for light sensors is designed, and the substrate is clamped and fixed by a vacuum assembly and a clamping plate. The substrate is adsorbed on the vacuum cover plate by forming a vacuum pump, and the substrate is further clamped by a clamping strip group of the clamping plate, thereby improving the fixing strength of the substrate.
By increasing the fixed strength of the substrate, the printing needs of the single-laser head structure printer are met, and the quality and qualification rate of the substrate printing are ensured.
Smart Images
Figure CN222946385U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to laser printing technology, and in particular to a printing fixture for a light sensor packaging laser. Background Art
[0002] Integrated circuit light sensor is a sensor product widely used in mobile phones and portable electronic products. It is very small in size, usually only 8mm*1mm*1mm in length*width*thickness, and has two chip lenses for transmission and reception at both ends. Therefore, the space available for printing is extremely limited, usually only 1mm in width and 1.5mm in length.
[0003] Laser printing needs to be done after the product is plastic-sealed and covered. Since there is thick plastic sealing material on one side of the product after plastic sealing, one side of the product is thick and the other side is thin. In addition, the printing area of the entire substrate is small. Usually, the size of the printing area is only 110mm*63mm in length*width. Therefore, conventional printers with dual laser heads and their fixtures cannot meet the printing needs of the product. Utility Model Content
[0004] In order to overcome the above-mentioned defects, the present application provides a printing fixture for optical sensor packaging laser, which uses a vacuum component and a clamping plate to clamp and fix the substrate, thereby improving the fixing strength of the substrate, meeting the printing requirements of a printer with a single laser head structure, and ensuring the quality of printing on the substrate.
[0005] The technical solution adopted by this application to solve its technical problems is:
[0006] A printing fixture for light sensor packaging laser, comprising a vacuum component and a clamping plate, a clamping bar group being provided on the clamping plate, the vacuum component comprising a vacuum cover plate and a vacuum base, a first groove and an air suction hole being provided on the vacuum cover plate, a vacuum cavity and a second groove being provided on the vacuum base, the vacuum cover plate being fixedly mounted on the vacuum base, and the vacuum cover plate covering the vacuum cavity, the air suction hole being communicated with the vacuum cavity, the first groove and the second groove being spliced to form an avoidance groove, the vacuum component being connected to a vacuum pump, the vacuum pump fixing a substrate on the vacuum cover plate via the vacuum cavity and the air suction hole, and the clamping plate being pressed against the substrate via the clamping bar group.
[0007] 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 component is installed on the frame below the conveyor belt. The clamping plate is fixedly installed on the frame above the conveyor belt. The vacuum component is connected to a lifting unit, and the lifting unit can drive the substrate to move up and down so that the clamping plate clamps or releases the substrate.
[0008] Optionally, the clamping bar group includes a first clamping bar and a second clamping bar, the first clamping bar and the second clamping bar are respectively located on both sides of the clamping plate, the lower surface of the first clamping bar and the lower surface of the clamping plate are located on the same plane, and the lower surface of the second clamping bar is recessed in the lower surface of the clamping plate.
[0009] Optionally, at least two through slots are provided on the clamping plate, and two adjacent through slots are separated by a spacer plate. A device sensing window and a locking hole are provided on the clamping plate, and the device sensing window is connected to at least one of the through slots.
[0010] Optionally, the through groove has two oppositely arranged first inner side walls and second inner side walls, the first clamping strip is arranged on the first inner side wall, the second clamping strip is arranged on the second inner side wall, and the locking hole has an oblong structure.
[0011] Optionally, at least two first clamping strips are disposed on the first side wall, and a groove is provided between two adjacent first clamping strips.
[0012] Optionally, the vacuum base includes a bottom plate and a side plate fixedly connected to the bottom plate, the bottom plate and the side plate enclose the vacuum cavity, a protrusion is formed on the bottom plate extending toward the vacuum cavity, and the vacuum cover is supported on the side plate and the protrusion.
[0013] Optionally, the vacuum cover is fixedly mounted on the vacuum base via locking screws, and the vacuum pump is connected to the vacuum chamber of the vacuum base via a vacuum tube.
[0014] The beneficial effects of the present application are as follows: the printing fixture comprises a vacuum component and a clamping plate, the vacuum component comprises a vacuum cover plate and a vacuum base, the substrate is clamped between the vacuum component and the clamping plate, a plurality of packaging bodies are provided on the substrate, the vacuum component is connected to a vacuum pump, and a negative pressure is formed in the vacuum cavity of the vacuum base by utilizing the vacuum pump, and the substrate is adsorbed onto the vacuum cover plate through the suction hole, and the top of the substrate is clamped by the clamping bar group on the clamping plate, thereby improving the fixing strength of the substrate, meeting the printing requirements of a printer with a single laser head structure, ensuring the quality of printing on the substrate, and improving the qualified rate of the substrate. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the structure of the vacuum component in this application;
[0016] Figure 2 This is one of the structural schematic diagrams of the vacuum cover plate in this application;
[0017] Figure 3 This is the second structural schematic diagram of the vacuum cover plate in this application;
[0018] Figure 4 This is one of the structural schematic diagrams of the vacuum base in this application;
[0019] Figure 5 This is the second structural diagram of the vacuum base in this application;
[0020] Figure 6 This is one of the structural schematic diagrams of the clamping plate in this application;
[0021] Figure 7 This is the second structural schematic diagram of the clamping plate in this application;
[0022] Figure 8 This is the third structural schematic diagram of the clamping plate in this application;
[0023] Fig. 9 This is the fourth structural schematic diagram of the clamping plate in this application;
[0024] Fig.10 It is a schematic diagram of the structure of the substrate in this application;
[0025] In the figure: 10-vacuum cover plate, 11-first groove, 12-suction hole, 20-vacuum base, 21-bottom plate, 22-side plate, 23-bump, 24-vacuum chamber, 25-second groove, 30-clamping plate, 31-device sensing window, 32-through groove, 33-first clamping strip, 34-second clamping strip, 35-spacer, 36-locking hole, 37-groove, 40-substrate, 41-package. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the embodiments of the present application. Obviously, the embodiments described in the present application are only a part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.
[0027] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the following drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the objects used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.
[0028] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.
[0029] Example: Figure 1-10As shown, a printing fixture for light sensor packaging laser includes a vacuum component and a clamping plate 30, the clamping plate 30 is provided with a clamping bar group, the vacuum component includes a vacuum cover plate 10 and a vacuum base 20, the vacuum cover plate 10 is provided with a first groove 11 and an air suction hole 12, the vacuum base 20 is provided with a vacuum cavity 24 and a second groove 25, the vacuum cover plate 10 is fixedly mounted on the vacuum base 20, and the vacuum cover plate 10 covers the vacuum cavity 24, the air suction hole 12 is connected with the vacuum cavity 24, the first groove 11 and the second groove 25 are spliced to form an avoidance groove, the vacuum component is connected to a vacuum pump, the vacuum pump fixes the substrate 40 on the vacuum cover plate 10 through the vacuum cavity 24 and the air suction hole 12, and the clamping plate 30 is pressed against the substrate 40 through the clamping bar group. In order to meet the laser printing requirements of a single laser head of a light sensor substrate, the present printing fixture is designed. The printing fixture includes a vacuum component and a clamping plate 30, the vacuum component includes a vacuum cover plate 10 and a vacuum base 20, a substrate 40 is clamped between the vacuum component and the clamping plate 30, a plurality of packaging bodies 41 are provided on the substrate 40, the vacuum component is connected to a vacuum pump, and a negative pressure is formed in the vacuum chamber 24 of the vacuum base 20 by the vacuum pump, and the substrate 40 is adsorbed on the vacuum cover plate 10 through the suction hole 12, and the upper part of the substrate 40 is clamped by the clamping bar group on the clamping plate 30, thereby improving the fixing strength of the substrate 40, ensuring the quality of printing on the substrate 40, and improving the qualified rate of the substrate 40.
[0030] Optionally, the substrate 40 is transported by a conveying unit, the conveying unit 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, and 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. 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 pump is started to form a vacuum in the vacuum chamber 24, so that the substrate 40 is adsorbed on the vacuum cover plate 10 through the suction hole 12, and then the lifting cylinder pushes the substrate 40 upward, so that the clamping bar group on the clamping plate 30 is clamped on the upper surface of the substrate 40, thereby fixing the substrate 40, so as to facilitate the printing, detection and other processes of the substrate 40. In the present application, the vacuum component adsorbs the lower surface of the substrate 40 onto the vacuum cover plate 10 by forming a vacuum, and further presses the substrate 40 through the clamping bar group of the clamping plate 30, thereby improving the fixing strength of the substrate 40, ensuring the quality of printing on the substrate 40, and improving the qualified rate of the substrate 40; in the present application, the first groove 11 and the second groove 25 are used to form an avoidance groove to facilitate avoiding the rollers on the conveying unit, thereby realizing the up and down operation of the vacuum component.
[0031] like Figure 6-9 As shown, the clamping bar group includes a first clamping bar 33 and a second clamping bar 34, the first clamping bar 33 and the second clamping bar 34 are respectively located on both sides of the clamping plate 30, the lower surface of the first clamping bar 33 and the lower surface of the clamping plate 30 are located on the same plane, and the lower surface of the second clamping bar 34 is recessed in the lower surface of the clamping plate 30. That is, the lower surface of the second clamping bar 34 is located on the inner side of the lower surface of the clamping plate 30. Since there is a thick plastic sealing material on one side of the substrate 40 after plastic sealing, the substrate 40 has one side thick and one side thin. Therefore, the flat first clamping bar 33 is used to press the thin side of the substrate 40, and the recessed second clamping bar 34 is used to press the thick side of the substrate 40, so as to balance the clamping strength of the two sides of the substrate 40, further improve the stability of the clamping of the substrate 40, and keep the entire printing surface on the substrate 40 parallel to the laser head surface, thereby ensuring the quality of laser printing.
[0032] like Figure 6 As shown, at least two through slots 32 are provided on the clamping plate 30 , and two adjacent through slots 32 are separated by a spacer plate 35 . A device sensing window 31 and a locking hole 36 are provided on the clamping plate 30 , and the device sensing window 31 is connected to at least one of the through slots 32 .
[0033] like Figure 6As shown, the through slot 32 has two oppositely arranged first inner side walls and a second inner side wall, the first clamping strip 33 is arranged on the first inner side wall, the second clamping strip 34 is arranged on the second inner side wall, and the locking hole 36 is an oblong structure. Fig.10 As shown, the substrate 40 is divided into two large left and right areas, the lower surface of the clamping plate 30 is pressed against the edge of the substrate 40, the first clamping strip 33 is pressed against the flat upper edge of the substrate 40, the second clamping strip 34 is pressed against the raised lower edge of the substrate 40, the spacer plate 35 is pressed against the connecting area between the two large areas of the substrate, the through groove 32 is used to expose the package body 41 in the substrate 40 for detection or printing, the locking hole 36 is used to fix the clamping plate 30 on the frame by means of locking screws, the locking hole 36 with an oblong structure can be used to fine-tune the fixed position of the clamping plate 30, and the equipment sensor window 31 is convenient for detection and detection positioning of the substrate 40 by the laser equipment.
[0034] like Figure 7 As shown, at least two first clamping strips 33 are disposed on the first side wall, and a groove 37 is provided between two adjacent first clamping strips 33. The groove 37 is designed to facilitate the reading of the board edge code of the substrate 40 by a laser or a printing device.
[0035] like Figure 4-5 As shown, the vacuum base 20 includes a bottom plate 21 and a side plate 22 fixedly connected to the bottom plate 21, the bottom plate 21 and the side plate 22 enclose the vacuum chamber 24, and a protrusion 23 is formed on the bottom plate 21 extending toward the inside of the vacuum chamber 24, and the vacuum cover plate 10 is supported on the side plate 22 and the protrusion 23. The side plate 22 is arranged along the peripheral wall of the bottom plate 21, and a plurality of protrusions 23 are provided in the central area of the bottom plate 51. On the one hand, the protrusions 23 are used to support the vacuum cover plate 10 to prevent the vacuum cover plate 10 from being concave, and on the other hand, the middle area of the vacuum cover plate 10 is locked on the vacuum base 20 by a locking screw, thereby improving the supporting strength and stability of the vacuum cover plate 10.
[0036] Optionally, the vacuum cover plate 10 is fixedly mounted on the vacuum base 20 by means of locking screws, and the vacuum pump is connected to the vacuum chamber 24 of the vacuum base 20 by means of a vacuum pipe. Figure 2 and Figure 4 As shown, a plurality of screw holes are provided on the vacuum cover plate 10, and a plurality of screw holes are also provided on the side plate 22 of the vacuum base 20, so that the vacuum cover plate 10 is fixed to the vacuum base 20 by means of locking screws to form a vacuum assembly, and the vacuum cover plate 10, the bottom plate 21 and the side plate 22 form a closed vacuum chamber 24.
[0037] It should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present application, and these modifications and improvements are all within the scope of protection of the present application. Therefore, the scope of protection of the patent of the present application shall be subject to the attached claims.
Claims
1. A laser printing fixture for light sensor packaging, characterized in that: The invention comprises a vacuum component and a clamping plate (30), wherein the clamping plate (30) is provided with a clamping bar group, wherein the vacuum component comprises a vacuum cover plate (10) and a vacuum base (20), wherein the vacuum cover plate (10) is provided with a first groove (11) and an air suction hole (12), wherein the vacuum base (20) is provided with a vacuum cavity (24) and a second groove (25), wherein the vacuum cover plate (10) is fixedly mounted on the vacuum base (20), and the vacuum cover plate (10) covers the vacuum cavity (24), wherein the air suction hole (12) is communicated with the vacuum cavity (24), wherein the first groove (11) and the second groove (25) are spliced to form an avoidance groove, wherein the vacuum component is connected to a vacuum pump, wherein the vacuum pump fixes a substrate (40) on the vacuum cover plate (10) through the vacuum cavity (24) and the air suction hole (12), and wherein the clamping plate (30) is pressed against the substrate (40) through the clamping bar group.
2. The laser printing fixture for light sensor packaging 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 component 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 component 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).
3. The laser printing fixture for light sensor packaging according to claim 1, characterized in that: The clamping bar group comprises a first clamping bar (33) and a second clamping bar (34), wherein the first clamping bar (33) and the second clamping bar (34) are respectively located on two sides of the clamping plate (30), the lower surface of the first clamping bar (33) and the lower surface of the clamping plate (30) are located on the same plane, and the lower surface of the second clamping bar (34) is recessed in the lower surface of the clamping plate (30).
4. The laser printing fixture for light sensor packaging according to claim 3, characterized in that: At least two through slots (32) are provided on the clamping plate (30), and two adjacent through slots (32) are separated by a spacer plate (35). The clamping plate (30) is provided with a device sensing window (31) and a locking hole (36), and the device sensing window (31) is connected to at least one of the through slots (32).
5. The laser printing fixture for light sensor packaging according to claim 4, characterized in that: The through groove (32) has two oppositely arranged first inner side walls and second inner side walls, the first clamping strip (33) is arranged on the first inner side wall, the second clamping strip (34) is arranged on the second inner side wall, and the locking hole (36) is an oblong structure.
6. The laser printing fixture for light sensor packaging according to claim 5, characterized in that: At least two of the first clamping strips (33) are provided on the first inner side wall, and a groove (37) is provided between two adjacent first clamping strips (33).
7. The laser printing fixture for light sensor packaging according to any one of claims 1 to 6, characterized in that: The vacuum base (20) comprises a bottom plate (21) and a side plate (22) fixedly connected to the bottom plate (21); the bottom plate (21) and the side plate (22) enclose the vacuum cavity (24); a convex block (23) is formed on the bottom plate (21) and extends toward the inside of the vacuum cavity (24); and the vacuum cover plate (10) is supported on the side plate (22) and the convex block (23).
8. The laser printing fixture for light sensor packaging according to claim 1, characterized in that: The vacuum cover plate (10) is fixedly mounted on the vacuum base (20) by means of locking screws, and the vacuum pump is connected to the vacuum chamber (24) of the vacuum base (20) by means of a vacuum tube.