Large table-board laser direct imaging exposure device for printed circuit board

Abstract

The utility model discloses a large table-board laser direct imaging exposure device of a printed circuit board, which relates to the technical field of large table-board laser direct imaging exposure of the printed circuit board and comprises a fixed seat, an L-shaped frame is fixedly connected to the middle of the top end of the fixed seat, and an automatic adjusting assembly is fixedly connected to the top end of the inner wall of the L-shaped frame. Sliding strips are fixedly connected to the two sides of the inner bottom wall of the L-shaped frame, a fixing assembly is slidably connected to the inner walls of the sliding strips, the automatic adjusting assembly comprises a fixing frame fixedly connected to the top end of the inner wall of the L-shaped frame, and fixing blocks are fixedly connected to the two sides of the top end of the fixing frame; through the arrangement of the automatic adjusting assembly, when a worker operates the device for use, the servo motor drives the transmission rod and the threaded rod to rotate and drives the sliding block and the sliding plate to linearly move, so that the position of the laser direct imaging exposure machine body can be quickly and accurately adjusted, and the exposure requirements of printed circuit boards with different sizes are met; and the exposure efficiency and precision are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to printed wiring board big mesa laser direct imaging exposure technical field, concretely is printed wiring board big mesa laser direct imaging exposure device. BACKGROUND

[0002] In the manufacturing process of printed wiring board, laser direct imaging exposure is a key procedure, and the existing laser direct imaging exposure device has some deficiencies, for example, when different sizes of printed wiring boards are exposed, the position adjustment is not flexible enough, and it is difficult to accurately expose the circuit board; at the same time, the fixing mode of the circuit board is not stable enough, and displacement of the circuit board may occur during the exposure process, thereby affecting the quality and precision of exposure, in addition, the stability of some devices is poor, and shaking may occur during the working process, further reducing the accuracy of exposure, therefore, it is necessary to develop a new type of printed wiring board big mesa laser direct imaging exposure device to solve the above problems.

[0003] The existing printed wiring board big mesa laser direct imaging exposure device has the following problems:

[0004] (1) the position adjustment mechanism is complex and not flexible, and the adaptability to different specifications of circuit boards is poor, it is difficult to quickly and accurately adjust the laser exposure position to the best, resulting in low exposure efficiency and insufficient exposure precision;

[0005] (2) the circuit board is fixed by a simple clamp, and small displacement of the circuit board may occur due to external vibration or operation error, which seriously affects the matching degree of the exposure pattern and the circuit board design, and further reduces the product yield.

[0006] In view of the above problems, the utility model provides a printed wiring board big mesa laser direct imaging exposure device. UTILITY MODEL CONTENTS

[0007] The utility model aims at providing printed wiring board big mesa laser direct imaging exposure device, the utility model realizes the flexible and accurate adjustment of exposure position, the stable fixation of circuit board and the improvement of the overall stability of device, thereby solve the problem in the background art.

[0008] In order to achieve the above object, the utility model provides the following technical scheme: printed wiring board big mesa laser direct imaging exposure device, including fixed base, the middle part of the top of fixed base is fixedly connected with L type frame, the top of the inner wall of L type frame is fixedly connected with automatic adjustment assembly, the both sides of the inner bottom wall of L type frame are fixedly connected with sliding strip, the inner wall of sliding strip is slidably connected with fixed assembly, automatic adjustment assembly includes the fixed frame of fixedly connected to the top of the inner wall of L type frame, the both sides of the top of fixed frame are fixedly connected with fixed block, one side of one fixed block is fixedly connected with motor box.

[0009] Further, the inside of the motor box is fixedly connected with a servo motor, and the output end of the servo motor is fixedly connected with a transmission rod, so that power is provided for the whole position adjusting system, and the rotating direction and angle of the transmission rod can be accurately controlled.

[0010] Further, one end of the transmission rod is fixedly connected with a threaded rod, one end of the threaded rod is fixedly connected with a bearing, and one end of the bearing is fixedly connected to the inner wall of the other fixed block, so that the rotary motion of the servo motor is converted into linear motion, and the stable rotation of the threaded rod is ensured.

[0011] Further, the surface of the threaded rod is threadedly connected with a sliding block, the bottom end of the sliding block is fixedly connected with a sliding plate, and the sliding plate is slidingly connected to the inner wall of the fixed frame, so that the sliding block slides linearly along the threaded rod when the threaded rod rotates, the sliding plate slides in the fixed frame to guide and stabilize, and the motion accuracy is ensured.

[0012] Further, the bottom end of the sliding plate is fixedly connected with a transmission plate, and the two sides of the bottom end of the transmission plate are fixedly connected with a laser direct imaging exposure machine body, so that the linear motion of the sliding block is transmitted to the laser direct imaging exposure machine body, the position of the laser direct imaging exposure machine body is flexibly adjusted, and the exposure demand of different size circuit boards is met.

[0013] Further, the fixed assembly comprises a sliding seat slidingly connected to the inner wall of the sliding strip, a groove is formed in the middle of the top end of the sliding seat, a fixed suction cup is fixedly connected to the inner wall of the groove, and a control handle is fixedly connected to the middle of the front surface of the sliding seat, so that the sliding seat can be flexibly moved to a suitable position according to the size and shape of the circuit board through the control handle, and the circuit board is stably adsorbed by the fixed suction cup to prevent displacement during exposure.

[0014] Further, the two sides of the fixed seat are fixedly connected with load-bearing rods, and the bottom end of each load-bearing rod is fixedly connected with an anti-skid plate, so that the contact area and friction between the device and the ground are increased, the overall stability of the device is improved, and the shaking during work is reduced.

[0015] Compared with the prior art, the beneficial effects of the present application are as follows:

[0016] The large-area printed circuit board laser direct imaging exposure device provided by the present application,

[0017] (1) By setting the automatic adjusting assembly, when the device is operated by personnel, the servo motor drives the transmission rod and the threaded rod to rotate, drives the sliding block and the sliding plate to move linearly, and then the laser direct imaging exposure machine body can quickly and accurately adjust the position to adapt to the exposure demand of printed circuit boards of different sizes, and the exposure efficiency and accuracy are greatly improved.

[0018] (2) through the setting of the fixed component, in the personnel operating device use, the operator can move the sliding seat according to the actual situation of the circuit board and fix the circuit board with the fixed suction cup, prevent its displacement, ensure the exposure quality and product yield. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the schematic diagram of the device of the utility model;

[0020] Figure 2 It is the schematic diagram of the structure of the fixed component of the utility model;

[0021] Figure 3 It is the schematic diagram of the structure of the automatic adjusting component of the utility model;

[0022] Figure 4 It is the enlarged schematic diagram of A of the utility model;

[0023] Figure 5 It is the front view schematic diagram of the utility model.

[0024] In the drawing: 1, fixed seat; 2, L-shaped frame; 3, automatic adjusting component; 301, fixed frame; 302, fixed block; 303, motor box; 304, servo motor; 305, transmission rod; 306, threaded rod; 307, bearing; 308, sliding block; 309, sliding plate; 310, transmission plate; 311, laser direct imaging exposure machine body; 4, sliding bar; 5, fixed component; 501, sliding seat; 502, fixed suction cup; 503, control handle; 6, bearing rod; 7, antiskid plate. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] In order to solve how to effectively position the adjusting technical problem, such as Figures 1-5 As shown, the following preferred technical solutions are provided:

[0027] The printed circuit board large mesa laser direct imaging exposure device, including fixed seat 1, the top of the fixed seat 1 is fixedly connected with L-shaped frame 2, the top of the inner wall of the L-shaped frame 2 is fixedly connected with automatic adjusting assembly 3, through the setting of the automatic adjusting assembly 3, when the personnel operating device is used, the servo motor 304 drives the transmission rod 305 and the threaded rod 306 to rotate, drives the sliding block 308 and the sliding plate 309 to move linearly, and then the laser direct imaging exposure machine body 311 can be quickly and accurately adjusted in position, adapt to the exposure requirements of printed circuit boards of different sizes, greatly improve the exposure efficiency and precision, the inner bottom wall of the L-shaped frame 2 is fixedly connected with sliding bar 4 on both sides, the inner wall of the sliding bar 4 is slidably connected with fixed assembly 5, through the setting of the fixed assembly 5, when the personnel operating device is used, the operator can move the sliding seat 501 according to the actual situation of the circuit board and fix the circuit board with the fixed suction cup 502 to prevent displacement, ensure the exposure quality and product yield, the automatic adjusting assembly 3 includes a fixed frame 301 fixedly connected to the top of the inner wall of the L-shaped frame 2, the two sides of the top of the fixed frame 301 are fixedly connected with fixed blocks 302, and one side of one of the fixed blocks 302 is fixedly connected with a motor box 303.

[0028] Specifically, when the personnel operating device is used, first, the printed circuit board to be exposed is placed on the fixed assembly 5 for fixation, then according to the size of the circuit board and the exposure requirement, the position of the laser direct imaging exposure machine body 311 is adjusted by controlling the automatic adjusting assembly 3, so that it accurately aligns with the part to be exposed, and finally the laser direct imaging exposure machine body 311 is started for exposure operation.

[0029] Further, as shown in Figure 4 The following preferred technical solutions are provided:

[0030] The inside of the motor box 303 is fixedly connected with a servo motor 304, and the output end of the servo motor 304 is fixedly connected with a transmission rod 305. The purpose of this design is to provide power through the servo motor 304 to drive the transmission rod 305 to rotate, and to provide stable and accurate power output for subsequent position adjustment by using the characteristics of the servo motor 304 that can accurately control the speed and direction of rotation, so as to facilitate flexible adjustment of the position of the laser direct imaging exposure machine body 311 according to different exposure requirements.

[0031] Further, as shown in Figure 3 The following preferred technical solutions are provided:

[0032] One end of the transmission rod 305 is fixedly connected with a threaded rod 306, one end of the threaded rod 306 is fixedly connected with a bearing 307, one end of the bearing 307 is fixedly connected to the inner wall of the other fixed block 302, the purpose of such design is that when the transmission rod 305 rotates, the threaded rod 306 is driven to rotate synchronously, the bearing 307 plays a supporting and stabilizing role for the threaded rod 306, and ensures that the threaded rod 306 can rotate smoothly, and converts the circular motion of the transmission rod 305 into linear motion of the subsequent components, so as to realize the position adjustment of the laser direct imaging exposure machine body 311.

[0033] Further, as shown in Figure 3 The following preferred technical solutions are provided:

[0034] The surface of the threaded rod 306 is threadedly connected with a sliding block 308, the bottom end of the sliding block 308 is fixedly connected with a sliding plate 309, and the sliding plate 309 is slidingly connected to the inner wall of the fixed frame 301, the purpose of such design is that when the threaded rod 306 rotates, the sliding block 308 threadedly matched with the threaded rod 306 will move linearly along the threaded rod 306, the sliding of the sliding plate 309 in the fixed frame 301 provides guiding and limiting effect for the movement of the sliding block 308, and guarantees the stability and accuracy of the movement of the sliding block 308, and further enables the components connected with the sliding block 308 to move according to the predetermined trajectory.

[0035] Further, as shown in Figure 3 The following preferred technical solutions are provided:

[0036] The bottom end of the sliding plate 309 is fixedly connected with a transmission plate 310, and the transmission plate 310 is fixedly connected with a laser direct imaging exposure machine body 311 on both sides of the bottom end, the purpose of such design is that the linear motion of the sliding plate 309 is transmitted to the laser direct imaging exposure machine body 311 through the transmission plate 310, so that the laser direct imaging exposure machine body 311 can move synchronously with the movement of the sliding plate 309, thereby realizing flexible adjustment of the position of the laser direct imaging exposure machine body 311, to adapt to the exposure requirements of printed circuit boards of different sizes and positions.

[0037] Further, as shown in Figure 2 The following preferred technical solutions are provided:

[0038] The fixing assembly 5 comprises a sliding seat 501 slidably connected to the inner wall of the sliding bar 4, a recess is formed in the middle of the top end of the sliding seat 501, the inner wall of the recess is fixedly connected with a fixing suction cup 502, and the front middle of the sliding seat 501 is fixedly connected with a control handle 503. In this way, the operator can conveniently push the sliding seat 501 to slide on the sliding bar 4 through the control handle 503, the sliding seat 501 is adjusted to a suitable position according to the size and shape of the printed circuit board, and then the printed circuit board is adsorbed by the fixing suction cup 502, so that the printed circuit board can be kept stable during exposure and displacement is avoided, thereby ensuring the precision and quality of exposure.

[0039] Further, as shown in Figure 1 the following preferred technical solutions are provided:

[0040] The fixing seat 1 is fixedly connected with a load-bearing rod 6 at two sides, and the bottom end of the load-bearing rod 6 is fixedly connected with an anti-skid plate 7. In this way, the load-bearing rod 6 increases the support area of the device and improves the stability of the device, and the anti-skid plate 7 increases the friction with the ground and prevents the device from sliding or shaking during work, thereby providing a stable working platform for the entire exposure process and being beneficial to improving the accuracy of exposure.

[0041] Working principle: when the printed circuit board large-surface laser direct imaging exposure device is used, the operator first places the printed circuit board to be exposed on the fixing assembly 5, moves the sliding seat 501 through the control handle 503, so that the fixing suction cup 502 is located at a suitable position and adsorbs the printed circuit board, the fixing of the printed circuit board is completed, then the servo motor 304 in the motor box 303 is started, the servo motor 304 drives the transmission rod 305 to rotate, the transmission rod 305 drives the threaded rod 306 to rotate, since the sliding block 308 is threadedly connected with the threaded rod 306 and the sliding plate 309 slides in the fixed frame 301, the sliding block 308 moves linearly along the threaded rod 306, thereby driving the sliding plate 309, the transmission plate 310 and the laser direct imaging exposure machine body 311 to move, the laser direct imaging exposure machine body 311 is adjusted to a position required to be exposed, finally the laser direct imaging exposure machine body 311 is started to expose the printed circuit board. During the entire process, the load-bearing rod 6 and the anti-skid plate 7 ensure the stability of the device and prevent the exposure quality from being affected by external factors.

[0042] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0043] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A large area laser direct imaging exposure device for printed circuit boards, comprising a fixed base (1), characterized in that: The middle part of the top end of the fixing seat (1) is fixedly connected with an L-shaped support (2), the top end of the inner wall of the L-shaped support (2) is fixedly connected with an automatic adjusting assembly (3), both sides of the inner bottom wall of the L-shaped support (2) are fixedly connected with sliding strips (4), the inner wall of the sliding strip (4) is slidingly connected with a fixing assembly (5), the automatic adjusting assembly (3) comprises a fixed frame (301) fixedly connected to the top end of the inner wall of the L-shaped support (2), both sides of the top end of the fixed frame (301) are fixedly connected with fixed blocks (302), and one side of one of the fixed blocks (302) is fixedly connected with a motor box (303).

2. The printed wiring board mega-mesa laser direct imaging exposure apparatus of claim 1, wherein: The inside of the motor box (303) is fixedly connected with a servo motor (304), and the output end of the servo motor (304) is fixedly connected with a transmission rod (305).

3. The printed wiring board mega-mesa laser direct imaging exposure apparatus of claim 2, wherein: One end of the transmission rod (305) is fixedly connected with a threaded rod (306), one end of the threaded rod (306) is fixedly connected with a bearing (307), and one end of the bearing (307) is fixedly connected to the inner wall of the other fixed block (302).

4. The printed wiring board mega-mesa laser direct imaging exposure apparatus of claim 3, wherein: The surface of the threaded rod (306) is threadedly connected with a sliding block (308), the bottom end of the sliding block (308) is fixedly connected with a sliding plate (309), and the sliding plate (309) is slidingly connected to the inner wall of the fixed frame (301).

5. The printed wiring board mega-mesa laser direct imaging exposure apparatus of claim 1, wherein: The bottom end of the sliding plate (309) is fixedly connected with a transmission plate (310), and both sides of the bottom end of the transmission plate (310) are fixedly connected with laser direct imaging exposure machine bodies (311).

6. The printed wiring board mega-mesa laser direct imaging exposure apparatus of claim 1, wherein: The fixing assembly (5) comprises a sliding seat (501) slidingly connected to the inner wall of the sliding strip (4), a recess is formed in the middle part of the top end of the sliding seat (501), the inner wall of the recess is fixedly connected with a fixed suction disc (502), and the middle part of the front face of the sliding seat (501) is fixedly connected with a control handle (503).

7. The printed wiring board mega-mesa laser direct imaging exposure apparatus of claim 1, wherein: Both sides of the fixing seat (1) are fixedly connected with load-bearing rods (6), and the bottom end of the load-bearing rod (6) is fixedly connected with anti-skid plates (7).

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