Mobile phone substrate printer with CCD alignment

Abstract

The utility model discloses a cell -phone base material printing machine with CCD alignment, including the placement platform, and the placement platform has the upper mobile seat and the lower control seat, and the upper mobile seat is hollow square frame body, and the upper mobile seat is installed in the lower control seat in the way of back and forth translation, and the top surface left and right sides of the upper mobile seat are pasted with the reference sheet respectively, and the front side or the back side of reference sheet has the reference line, and the accommodation interval that is in accord with the piece to be printed and provides the piece to be printed to accommodate in is formed between two reference sheets, and the top surface of the upper mobile seat is provided with the detection port that extends along the left and right direction and penetrates up and down in the reference line range, and the lower control seat is equipped with two CCD cameras that are in the detection port directly below and are arranged in the left and right interval, and the collection end of CCD camera sets up to the up, and two CCD cameras are installed on the lower control seat in the way of relative motion, and the reference line of two reference sheets and the optical center of CCD camera are on the same straight line. Compared with prior art, the piece to be printed is aligned without manual.

Description

Technical Field

[0001] This utility model relates to the field of mobile phone substrate printing technology, and in particular to a mobile phone substrate printing machine with CCD alignment. Background Technology

[0002] During the manufacturing process, mobile phone substrates typically require printing using a specialized printing press. Traditionally, a large sheet of material to be printed is placed manually on the press for printing. After printing, the sheet is removed from the press, the ink is dried, and finally, the printed sheet is cut into individual pieces to form the mobile phone substrate. The sheet to be printed is a rectangular sheet extending in the front-to-back direction, with several printing positions arranged in a matrix. For example, six printing positions arranged in three rows and two columns can be cut into six mobile phone substrates. However, manual loading and unloading of printing presses is inefficient and not conducive to large-scale production. With the development of automated production, automatic loading and unloading printing devices are widely used. For example, an automatic loading and unloading device for panel printing, with application number 2020224614877, includes a loading platform, a printing press, an unloading platform, and two support rods. The top ends of the two support rods are fixedly connected to support seats, and the top ends of the two support seats are rotatably connected to a threaded rod. The bottom ends of the two support seats are fixedly connected to a guide rod, and the circumference of the threaded rod is threadedly connected to a sliding platform. The sliding platform is slidably connected to the guide rod, and the bottom ends of the sliding platform are fixedly connected to cylinders. The bottom ends of the piston rods of the cylinders are fixedly connected to a feeding plate, and the bottom ends of the feeding plate are fixedly connected to multiple negative pressure suction tubes. The top ends of the multiple negative pressure suction tubes are fixedly connected to a negative pressure concentrator, and one end of the negative pressure concentrator is fixedly connected to a metal hose. The distance between the loading platform, the printing press, and the unloading platform is equal to the distance between the negative pressure suction tubes on both sides. The printing press is located below the center of the guide rod. During operation, the feeding platform has sheets to be printed, and the printing machine has a placement platform for placing the sheets to be printed and a printing platform above the placement platform for printing the sheets to be printed. The top surface of the placement platform has a placement area for placing the sheets to be printed. The printing platform and the feeding plate are staggered. After printing is completed, the feeding plate descends, and the negative pressure suction tubes on both sides use suction cups to pick up the sheets to be printed on the feeding platform and the printed sheets on the placement platform. Then the feeding plate rises and moves to the right, and the negative pressure suction tubes are released. The sheets to be printed fall onto the placement platform, while the printed sheets fall onto the unloading platform. This method completes the loading and unloading of materials. The whole process is fast and convenient, which can greatly improve printing efficiency.

[0003] However, during processing, it was found that the print sheets would often shift forward by several millimeters during the transfer from the loading table to the placement table, making precise alignment with the printing table impossible and resulting in inaccurate printing positions. To solve this problem, a support seat is connected to the rear of the top surface of the placement table. The thickness of the support seat is less than the thickness of the print sheet. The support seat has a rear support rod and side support rods. The rear support rod extends in the left-right direction, and there are two side support rods. The two side support rods extend in the front-back direction, and their rear ends are connected to the left and right ends of the rear support rod, respectively. The rear support rod and the two side support rods form a support space that is open at the front and allows the print sheet to be aligned within it. In application, after the print sheet is transferred from the loading table to the placement table, it is manually moved backward into the support space, so that the rear side of the print sheet abuts against the front side of the rear support rod, and the left and right sides of the print sheet abut against the side support rods.

[0004] However, this means that operators need to judge whether the printing sheets are aligned when they are transferred to the placement table. If they are not aligned, the printing sheets need to be manually pushed backward into the positioning space to be aligned. This means that each operator can only manage one workstation, resulting in low work efficiency.

[0005] In view of this, the inventors of this case conducted in-depth research on the problem, which led to the creation of this case. Utility Model Content

[0006] The purpose of this invention is to provide a mobile phone substrate printing machine with CCD alignment, so as to solve the problem that existing printing devices tend to shift forward when transferring the film to be printed before printing, requiring manual alignment and unable to align automatically.

[0007] To achieve its purpose, this utility model adopts the following technical solution:

[0008] A mobile phone substrate printing machine with CCD alignment includes a placement stage. The top surface of the placement stage has a placement area for placing the film to be printed. The placement stage has an upper moving base and a lower control base. The upper moving base is a hollow square frame and is mounted on the lower control base by sliding back and forth. Reference films are attached to the left and right sides of the top surface of the upper moving base. The front or rear side of the reference film has a reference line. A receiving gap is formed between the two reference films, which matches the film to be printed and allows the film to be accommodated. The part of the top surface of the upper moving base located at this receiving gap is the placement area. A detection port extending in the left and right direction and penetrating vertically is opened on the top surface of the upper moving base corresponding to the reference line. The lower control base has two CCD cameras arranged left and right at intervals, located directly below the detection port. The acquisition ends of the CCD cameras are set upwards, and the two CCD cameras are mounted on the lower control base in a way that allows relative movement. The reference lines of the two reference films and the optical centers of the CCD cameras are on the same straight line.

[0009] The lower control seat has a hollow structure, and its top surface has an opening that communicates with the hollow cavity of the lower control seat. The opening is a strip-shaped square opening that extends in the left-right direction. The upper moving seat has a hollow strip-shaped structure with an open bottom that extends in the left-right square direction. The opening is located within the range of the upper moving seat, and the outer diameter of the upper moving seat is larger than the inner diameter of the opening. A mounting frame extending in the front-back direction is horizontally arranged inside the lower control seat. A translation motor is mounted on the top surface of the mounting frame. The output end of the translation motor is facing forward. The output end of the translation motor is connected to a sliding block whose bottom surface is slidably connected to the top surface of the mounting frame in the front-back direction, and whose top surface is connected to the inner bottom surface of the upper moving seat.

[0010] The reference sheet is attached to the top surface of the upper movable seat with transparent tape and is set horizontally. The reference sheet is a square sheet with a reference line on the front side of the reference sheet. The reference line extends in the left and right direction and partially or completely falls within the detection port area. The two reference lines are on the same straight line.

[0011] The detection port is a strip-shaped opening. There are two detection ports, which are spaced apart from each other on the left and right. Each detection port is sealed with a transparent cover plate. The two strip-shaped openings are spaced apart from each other on the left and right and extend along the left and right direction on the front side of the top of the upper movable seat.

[0012] The lower control base is equipped with a fixed frame extending in the left and right direction. Rotary motors are connected to the left and right ends of the top surface of the fixed frame. The two rotary motors are arranged opposite each other, and the output end of the rotary motor is connected to a lead screw. A drive block that is slidably installed on the fixed frame is screwed onto the lead screw. The CCD camera is vertically installed on the drive block through the connecting block.

[0013] The connecting block has an integrally formed front horizontal part, vertical part and rear horizontal part. The front horizontal part is connected to the top surface of the driving block. The vertical part stands upright on the rear side of the front horizontal part. The rear horizontal part extends in the front-back direction and is located on the upper rear side of the vertical part. The rear horizontal part has an exposed opening that runs through the top and bottom. The exposed opening is located below the detection port. The CCD camera is vertically locked to the rear side of the vertical part by a fixing block. The upper end of the CCD camera falls into the exposed opening range. The front end of the side of the film to be printed that is opposite to the reference film falls into the exposed opening range. The top surface of the rear horizontal part is connected to a light lamp with a closed ring structure.

[0014] The upper movable seat is provided with a omnidirectional light on the front side of its top surface, with the light-emitting surface of the omnidirectional light facing upwards.

[0015] This novel mobile phone substrate printing machine with CCD alignment operates by transferring the substrate to be printed from the loading table to the accommodating spacing of the upper moving seat. The CCD camera then activates, acquiring information from the detection port to determine if the front side of the substrate is aligned with a reference line. If not, the upper moving seat moves backward a certain distance to ensure precise alignment between the substrate and the printing table, enabling accurate printing. Compared to existing technologies, this machine automatically determines substrate alignment using a CCD camera, eliminating manual intervention, reducing visual fatigue, and providing more accurate results. Furthermore, the CCD camera controls the upper moving seat to align the substrate with the printing table after determining misalignment, further reducing manual alignment and increasing efficiency. Operators can manage multiple printing units simultaneously, resulting in higher production productivity. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model.

[0017] Figure 2 This is a structural schematic diagram of the moving mechanism of the upper movable seat of this utility model.

[0018] Figure 3 This is a schematic diagram of the upper movable base of this utility model.

[0019] Figure 4 This is a schematic diagram of the installation structure of the CCD camera of this utility model. Detailed Implementation

[0020] To further explain the technical solution of this utility model, a detailed description is provided below in conjunction with the accompanying drawings.

[0021] Mobile phone substrate printing machine with CCD alignment, such as Figures 1-4As shown, the device includes a placement platform with a placement area on its top surface for placing the printing sheet. The placement platform has an upper movable seat 1 and a lower control seat 2. The upper movable seat 1 is a hollow square frame and is mounted on the lower control seat 2 by sliding back and forth. Specifically, the lower control seat 2 has a hollow structure, with a seat body 21 open at the top and a top plate 22 that seals the opening at the top of the seat body 21. The top surface of the top plate 22 has an opening communicating with the hollow cavity of the seat body 21. The opening is a strip-shaped square opening extending in the left-right direction. The upper movable seat 1 has a hollow strip-shaped structure with an open bottom extending in the left-right square direction. The opening is within the range of the upper movable seat 1, and the outer diameter of the upper movable seat 1 is larger than the inner diameter of the opening. The front-back dimension of the upper movable seat 1 is larger than the front-back dimension of the lower control seat 2. The left-right dimension of the upper movable seat 1 is larger than that of the lower control 2. The left and right ends of the seat 21 are each provided with a mounting bracket 3 extending in the front-back direction. A translation motor 31 is mounted on the top surface of the mounting bracket. The output end of the translation motor 31 is facing forward. The output end of the translation motor 31 is connected to a sliding block 32 whose bottom surface is slidably connected to the top surface of the mounting bracket 3 in the front-back direction and whose top surface is connected to the inner bottom surface of the upper movable seat 1. That is, the translation motor 31 is horizontally positioned on the rear end of the top surface of the mounting bracket 3 in the front-back direction. The front side of the top surface of the mounting bracket 3 is provided with a slide rail 33 extending in the front-back direction. The sliding block 32 is slidably engaged with the slide rail 33, and the output end of the translation motor 31 is connected to the sliding block 32. The top surface of the sliding block 32 is locked together with the inner top surface of the rear end of the upper movable seat 1 through the block body 321. When in use, the translation motor 31 is started, and the translation motor 31 drives the sliding block 32 to move back and forth on the slide rail 33, while simultaneously driving the upper moving seat 1 to move back and forth.

[0022] Reference sheets 4 are respectively attached to the left and right sides of the top surface of the upper movable seat 1. Reference sheets 4 have a reference line 41 on their front or rear side. Taking the reference line being located on the front side of the reference sheet 4 as an example, a receiving gap 100 is formed between the two reference sheets 4, which matches the printable sheet and allows it to be accommodated. The portion of the top surface of the upper movable seat 1 located within this receiving gap 100 is the placement area. A detection port 200 extending in the left-right direction and penetrating vertically is opened on the top surface of the upper movable seat 1 within the range corresponding to the reference line 41. Specifically, the reference sheets 4 are attached to the top surface of the upper movable seat 1 with transparent tape and are laid horizontally. The reference sheets 4 are square sheets, and the receiving gap 100 is formed between the opposite sides of the two reference sheets 4. The reference line 41 is located on the front side of the reference sheet 4, extending in the left-right direction, and partially or completely falls into the detection port 2. Within the range of 00, and with the two baselines 41 on the same straight line, the detection port 200 is opened on the front side of the top surface of the upper movable seat 1. The detection port 200 is a strip-shaped through-hole, and there are two detection ports 200. The two detection ports 200 are spaced apart on the left and right. The two strip-shaped through-holes are spaced apart on the left and right and extend along the left and right direction on the front side of the top surface of the upper movable seat 1. The detection port 200 is sealed with a transparent cover plate. That is, the inner side wall of the detection port 200 is recessed with a groove that leads to the outside of the top surface of the upper movable seat 1. The transparent cover plate is embedded in the groove. The baseline on the right is the right baseline, and the baseline on the left is the left baseline. The detection port on the right is the right detection port, and the detection port on the left is the left detection port. The right baseline falls part or all of the range of the right detection port, and the left baseline falls part or all of the range of the left detection port. The left baseline and the right baseline form a baseline straight line extending along the left and right direction. In application, the printable sheet is placed at the accommodating gap 100 using a negative pressure suction tube. The alignment of the printable sheet is determined by checking if its front side aligns with the left or right reference line. Furthermore, a reference sheet is attached using transparent tape, facilitating reference line identification and allowing adjustment of the accommodating gap 100 if the printable sheet has different dimensions on the left and right sides.

[0023] The lower control base 2 houses two CCD cameras 5 arranged horizontally and vertically below the detection port 200. The acquisition ends of the CCD cameras 5 face upwards, and the two CCD cameras 5 are mounted on the lower control base 2 in a manner that allows relative movement. The reference lines 41 of the two reference plates 4 are collinear with the optical centers of the CCD cameras 5. Specifically, the base 21 houses a fixed frame 6 located below the mounting bracket 3 and within the front end of the base 21. The fixed frame 6 extends horizontally, and a rotary motor 61 is connected to both ends of the top surface of the fixed frame 6. The two rotary motors 61 are arranged horizontally and vertically opposite each other, and the output ends of the rotary motors 61 are connected to lead screws 611. A driving block 62 is screwed onto the lead screw 611 and slidably mounted on the fixed frame 6. The way the driving block 62 is slidably mounted on the fixed frame 6 is the same as the way the sliding block 32 is slidably mounted on the mounting bracket. The method by which the rotary motors 61 rotate to move the sliding block horizontally is well-known to those skilled in the art and will not be elaborated upon here. The CCD cameras 5 are vertically mounted via connecting blocks 7. The connecting block 7, also known as the drive block 62, has an integrally formed front horizontal part 71, a vertical part 72, and a rear horizontal part 73. The front horizontal part 71 is locked to the top surface of the drive block 62. The vertical part 72 stands upright on the rear side of the front horizontal part 71. The rear horizontal part 73 extends in the front-rear direction and is located on the upper rear side of the vertical part 72. The rear horizontal part 73 has a through-hole 300 located below the detection port 200. The CCD camera 5 is vertically locked to the rear side of the vertical part 72 by a fixing block 721. The upper end of the CCD camera 5 falls within the exposed aperture 300, and the front end of the side of the printable sheet opposite to the reference sheet 4 also falls within the exposed aperture 300. Specifically, the front right end of the printable sheet and the left end of the right reference line fall within the acquisition range of the CCD camera 5, and the front left end of the printable sheet and the right end of the left reference line fall within the acquisition range of the CCD camera 5. Furthermore, a closed-loop lighting lamp 731 is connected to the top surface of the rear horizontal section 73, which facilitates more precise acquisition by the acquisition end of the CCD camera 5. In application, the relative dimensions of the two CCD cameras 5 are adjusted according to the left-right dimensions of the printable sheet, ensuring that the front end of the printable sheet opposite to the reference sheet falls within the acquisition range of the CCD camera 5 for more accurate acquisition. Since the straight line formed by the two reference lines and the straight line formed by the optical centers of the two CCD cameras 5 are on the same straight line, if the front side of the printable sheet is not on the same straight line as the optical centers of the two CCD cameras 5, the printable sheet needs to be aligned. The CCD camera 5 is connected to the input terminal of the controller, and the translation motor is connected to the output terminal of the controller. When the front side of the printout is not on the same straight line as the baseline, the controller controls the translation motor to move the upper moving seat 1 backward by a few millimeters so that the printout can be accurately aligned with the printing table 8.For example, during the process of transferring the printable sheet from the loading table to the placement table, if the printable sheet shifts forward by 2 mm, the controller will control the translation motor to move the upper moving seat 1 backward by 2 mm. The working mode of the CCD camera 5 and the working mode of the controller controlling the translation motor are all techniques that are skilled in the art, and will not be described in detail here.

[0024] This novel mobile phone substrate printing machine with CCD alignment operates by transferring the print sheet from the loading table to the upper moving seat 1 within a 100mm accommodating gap. The CCD camera 5 is activated, collecting information from the detection port 200 to determine if the front side of the print sheet is aligned with the reference line. If not, a translation motor is activated, moving the upper moving seat 1 backward a certain distance to ensure precise alignment between the print sheet and the printing table, thus enabling accurate printing. Compared to existing technologies, the automatic alignment determination by the CCD camera 5 eliminates manual checks, reduces visual fatigue, and provides more accurate judgment. Furthermore, the CCD camera 5 controls the upper moving seat 1 to align the print sheet with the printing table after determining misalignment, further reducing manual alignment and increasing work efficiency. Operators can simultaneously manage multiple printing units, resulting in higher production efficiency.

[0025] In this novel invention, a preferred feature is that the upper movable seat 1 has a omnidirectional light 11 on its top front side, capable of moving in all directions. The luminous surface of the omnidirectional light 11 faces upward. The working method and specific structure of the omnidirectional light 11 are techniques skilled in the art and will not be elaborated upon here. In application, the omnidirectional light 11 can further illuminate the detection port, increasing the acquisition accuracy of the CCD camera 5.

[0026] The product form of this utility model is not limited to the illustrations and embodiments in this case. Any appropriate changes or modifications made to it based on similar ideas should be considered as not departing from the patent scope of this utility model.

Claims

1. A mobile phone substrate printing machine with CCD alignment, comprising a placement table, wherein the top surface of the placement table is provided with a placement area for placing the film to be printed; characterized in that: The placement platform has an upper movable base and a lower control base. The upper movable base is a hollow square frame. The upper movable base is installed on the lower control base by moving back and forth. Reference sheets are attached to the left and right sides of the top surface of the upper movable base. The front or rear side of the reference sheet has a reference line. A receiving gap is formed between the two reference sheets, which matches the printing sheet and allows the printing sheet to be accommodated. The part of the top surface of the upper movable base located at this receiving gap is the placement area. The top surface of the upper movable base has a detection port that extends in the left and right direction and penetrates vertically within the range of the reference line. The lower control base has two CCD cameras arranged left and right at intervals, located directly below the detection port. The acquisition end of the CCD camera is set upward, and the two CCD cameras are installed on the lower control base in a way that allows relative movement. The reference lines of the two reference sheets and the optical center of the CCD camera are on the same straight line.

2. The cell phone substrate printer with CCD alignment of claim 1, wherein: The lower control seat has a hollow structure, and its top surface has an opening that communicates with the hollow cavity of the lower control seat. The opening is a strip-shaped square opening that extends in the left-right direction. The upper moving seat has a hollow strip-shaped structure with an open bottom that extends in the left-right square direction. The opening is located within the range of the upper moving seat, and the outer diameter of the upper moving seat is larger than the inner diameter of the opening. A mounting frame extending in the front-back direction is horizontally arranged inside the lower control seat. A translation motor is mounted on the top surface of the mounting frame. The output end of the translation motor is facing forward. The output end of the translation motor is connected to a sliding block whose bottom surface is slidably connected to the top surface of the mounting frame in the front-back direction, and whose top surface is connected to the inner bottom surface of the upper moving seat.

3. The mobile phone substrate printing machine with CCD alignment according to claim 1, characterized in that: The reference sheet is attached to the top surface of the upper movable seat with transparent tape and is set horizontally. The reference sheet is a square sheet with a reference line on the front side of the reference sheet. The reference line extends in the left and right direction and partially or completely falls within the detection port area. The two reference lines are on the same straight line.

4. The mobile phone substrate printing machine with CCD alignment according to claim 3, characterized in that: The detection port is a strip-shaped opening. There are two detection ports, which are spaced apart from each other on the left and right. Each detection port is sealed with a transparent cover plate. The two strip-shaped openings are spaced apart from each other on the left and right and extend along the left and right direction on the front side of the top of the upper movable seat.

5. The mobile phone substrate printing machine with CCD alignment according to claim 1, characterized in that: The lower control base is equipped with a fixed frame extending in the left and right direction. Rotary motors are connected to the left and right ends of the top surface of the fixed frame. The two rotary motors are arranged opposite each other, and the output end of the rotary motor is connected to a lead screw. A drive block that is slidably installed on the fixed frame is screwed onto the lead screw. The CCD camera is vertically installed on the drive block through the connecting block.

6. The cell phone substrate printer with CCD alignment of claim 5, wherein: The connecting block has an integrally formed front horizontal part, vertical part and rear horizontal part. The front horizontal part is connected to the top surface of the driving block. The vertical part stands upright on the rear side of the front horizontal part. The rear horizontal part extends in the front-back direction and is located on the upper rear side of the vertical part. The rear horizontal part has an exposed opening that runs through the top and bottom. The exposed opening is located below the detection port. The CCD camera is vertically locked to the rear side of the vertical part by a fixing block. The upper end of the CCD camera falls into the exposed opening range. The front end of the side of the film to be printed that is opposite to the reference film falls into the exposed opening range. The top surface of the rear horizontal part is connected to a light lamp with a closed ring structure.

7. The cell phone substrate printer with CCD alignment of claim 6, wherein: The upper movable seat is provided with a omnidirectional light on the front side of its top surface, with the light-emitting surface of the omnidirectional light facing upwards.

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