Exposure machine for producing and processing printed circuit board

Abstract

The utility model relates to the technical field of circuit board processing, and discloses an exposure machine for producing and processing a printed circuit board, which comprises an exposure machine body, a feeding assembly is arranged at the front end of the exposure machine body, the feeding assembly comprises a circular bearing plate, a rotary cylinder I is arranged at the center of the bottom of the bearing plate, and a plurality of through holes are formed in the edge of the bearing plate. A transparent glass plate is installed in the through hole, the through hole in the rear end of the bearing plate is located under an exposure machine light source, a positioning frame used for positioning a circuit board is installed at the position, above the through hole, of the top of the bearing plate, and mechanical arms used for taking and placing the circuit board are symmetrically installed on the two sides of the exposure machine body; a cover plate is mounted above the feeding assembly at the front end of the exposure machine body through a hinge, and two operation holes corresponding to the through holes in position are formed in the cover plate. According to the utility model, the two mechanical arms are matched with the rotary cylinder I and the bearing plate, so that automatic and continuous feeding and exposure of the circuit board are realized, and the exposure efficiency of the circuit board is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of circuit board processing, and specifically relates to an exposure machine for printed circuit board production and processing. BACKGROUND

[0002] The exposure machine is mainly used for transferring the designed circuit board pattern to the photosensitive circuit board. It is a key step in the circuit board manufacturing process, ensuring that the conductive lines, transistors and other components on the circuit board can be accurately formed according to the design requirements. The working principle of the exposure machine is mainly based on the photochemical reaction principle of the photosensitive circuit board. In the exposure process, the photosensitive coating on the photosensitive circuit board is exposed to light (such as ultraviolet light), forming a developable pattern. Then, after the subsequent process steps such as development and etching, the conductive lines, transistors and other components of the circuit board are finally formed.

[0003] The existing exposure machine mainly places the circuit board in the exposure machine by manual operation, and another set of circuit boards is replaced after one set of circuit boards is exposed, which is low in efficiency. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the utility model is that the existing exposure machine for circuit board production and processing needs to place the circuit board in the exposure machine by manual operation, and the circuit boards are replaced one by one, which is low in efficiency.

[0005] In order to solve the above problems, the technical scheme of the utility model is as follows: an exposure machine for printed circuit board production and processing, comprising an exposure machine body, a feeding assembly is arranged at the front end of the exposure machine body, the feeding assembly comprises a circular supporting plate, a rotary cylinder one is installed at the bottom center of the supporting plate, a plurality of through holes are formed at the edge of the supporting plate, transparent glass plates are installed in the through holes, the through holes at the rear end of the supporting plate are located directly below the light source of the exposure machine, a positioning frame for positioning the circuit board is installed above the through holes at the top of the supporting plate, mechanical arms for taking and placing the circuit board are symmetrically installed at both sides of the exposure machine body; a cover plate is hingedly installed above the feeding assembly at the front end of the exposure machine body, two operation holes corresponding to the positions of the through holes are formed in the cover plate.

[0006] Further, the diameters of the operation holes and the through holes are the same, and a protective ring is fixedly connected to the outside of the operation holes at the bottom of the cover plate.

[0007] Further, a plurality of fixing columns are fixedly connected to the edge of the bottom of the supporting plate, the fixing columns are located in the middle of the adjacent two through holes, and the bottom of the fixing column is installed with a foot wheel.

[0008] Further, an installation plate is fixedly connected to the bottom of the positioning frame, a through slot matched with the positioning frame is formed in the middle of the installation plate, and the installation plate is installed on the supporting plate through a plurality of screws.

[0009] Further, the exposure machine body is symmetrically fixed with a fixed plate on both sides, and the mechanical arm is installed on the top of the fixed plate.

[0010] Further, the mechanical arm comprises a rotary cylinder two installed on the fixed plate, an output end of the rotary cylinder two is installed with a supporting rod, a top of the supporting rod is installed with a cross plate extending above the operation hole, a telescopic cylinder is installed through the cross plate, and a vacuum chuck is installed at an output end of the telescopic cylinder.

[0011] Further, the vacuum chuck is located at the center of the operation hole.

[0012] The utility model discloses a circuit board automatic feeding and exposure device, which belongs to the technical field of circuit board automatic feeding and exposure devices. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the perspective view of the utility model.

[0014] Figure 2 It is the sectional view of the utility model.

[0015] Figure 3 It is the structure of the utility model bearing plate Figure 1 .

[0016] Figure 4 It is the structure of the utility model bearing plate Figure 2 .

[0017] As shown in the drawings: 1, exposure machine body, 2, bearing plate, 3, rotary cylinder one, 4, transparent glass plate, 5, positioning frame, 6, cover plate, 7, protective ring, 8, fixed column, 9, trundle, 10, mounting plate, 11, fixed plate, 12, rotary cylinder two, 13, supporting rod, 14, cross plate, 15, telescopic cylinder, 16, vacuum chuck. DETAILED DESCRIPTION

[0018] 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, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than 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 protection scope of the utility model.

[0019] As Figure 1 , Figure 2 and Figure 4As shown in the figure, an exposure machine for printed circuit board production and processing includes an exposure machine body 1, and the front end of the exposure machine body 1 is provided with a feeding assembly. The feeding assembly includes a circular supporting plate 2, a rotary cylinder one 3 is installed at the bottom center of the supporting plate 2, five through holes are formed at the edge of the supporting plate 2, and transparent glass plates 4 are installed in the through holes. The through holes at the rear end of the supporting plate 2 are located directly below the light source of the exposure machine, five fixing columns 8 are fixedly connected to the edge of the bottom of the supporting plate 2, the fixing columns 8 are located between adjacent two through holes, and casters 9 are installed at the bottom of the fixing columns 8.

[0020] The rotary cylinder one 3 drives the supporting plate 2 to rotate 72° each time, so that the through holes can be sequentially rotated to be directly below the light source of the exposure machine for exposure. The fixing columns 8 cooperate with the casters 9 to support the edge of the supporting plate 2, without affecting the rotation of the supporting plate 2.

[0021] As shown in the figure, Figure 1 the front end of the exposure machine body 1 is provided, above the feeding assembly, with a cover plate 6 installed through a hinge. Two operation holes corresponding to the positions of the through holes are formed in the cover plate 6. The operation holes have the same diameter as the through holes, and a protective ring 7 is fixedly connected to the bottom of the cover plate 6 outside the operation holes.

[0022] The two operation holes are respectively a discharge hole and an inlet hole. The protective ring 7 can limit the range of light entering the exposure machine body 1, thereby reducing the influence of light on the internal components of the exposure machine body 1.

[0023] As shown in the figure, Figure 3 a positioning frame 5 for positioning a circuit board is installed on the top of the supporting plate 2 above the through holes. The positioning frame 5 is fixedly connected to a mounting plate 10, a through slot adapted to the positioning frame 5 is formed in the middle of the mounting plate 10, and the mounting plate 10 is installed on the supporting plate 2 through a plurality of screws.

[0024] The positioning frame 5 is designed to be detachable, and appropriate positioning frames 5 can be selected and installed on the supporting plate 2 according to different circuit boards.

[0025] As shown in the figure, Figure 1 and Figure 2 mechanical arms for taking and placing circuit boards are symmetrically installed on the two sides of the exposure machine body 1. Fixed plates 11 are fixedly connected to the two sides of the exposure machine body 1, and the mechanical arms are installed on the top of the fixed plates 11. The mechanical arms include a rotary cylinder two 12 installed on the fixed plate 11. A support rod 13 is installed at the output end of the rotary cylinder two 12. A horizontal plate 14 extending above the operation hole is installed at the top of the support rod 13. A telescopic cylinder 15 is installed through the horizontal plate 14. A vacuum chuck 16 is installed at the output end of the telescopic cylinder 15, and the vacuum chuck 16 is located at the center of the operation hole.

[0026] The storage frame is located on one side of the feeding hole, and a plurality of circuit boards to be exposed are placed in the storage frame, the rotary cylinder two 12 moves the vacuum suction plate 16 to above the storage frame first, adsorbs a circuit board through the vacuum suction plate 16, and then drives the vacuum suction plate 16 to rotate to above the feeding hole, and the telescopic cylinder 15 is elongated to make the position of the vacuum suction plate 16 drop and make the circuit board abut against the transparent glass plate 4, so that the circuit board is located inside the positioning frame 5 at this time, the vacuum suction plate 16 stops working and the telescopic cylinder 15 is retracted, and the circuit board can be placed in the positioning frame 5; the telescopic cylinder 15 on the side of the discharging hole is elongated to make the position of the vacuum suction plate 16 drop and abut against the circuit board, the vacuum suction plate 16 works to adsorb the circuit board, the telescopic cylinder 15 is retracted to take out the circuit board from the positioning frame 5, and the rotary cylinder two 12 drives the horizontal plate 14 to rotate through the supporting rod 13, so that the vacuum suction plate 16 can be moved to directly above the collecting frame, the telescopic cylinder 15 is elongated, and the vacuum suction plate 16 stops working, so that the circuit board can be placed in the collecting frame.

[0027] In specific use, the circuit board to be exposed is placed in the positioning frame 5 through the feeding hole by the mechanical arm, the rotary cylinder one 3 drives the supporting plate 2 to rotate by 72 degrees each time, when the circuit board moves to directly below the light source of the exposure machine, the exposure operation can be completed, when the exposed circuit board moves to directly below the discharging hole, the circuit board can be taken out and placed in the collecting frame through the mechanical arm, automatic and continuous feeding of the circuit board is realized, and the exposure efficiency of the circuit board is improved.

[0028] The specific structure and working principle of the parts not disclosed in the utility model are not described again.

[0029] It should be noted that, in this text, relational terms such as first and second and the like are used merely to differentiate one entity or action from another, without necessarily requiring or implying any actual such relationship or order between or among the entities or actions. Also, the terms "comprises", "comprising", or any other variations 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.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

[0031] The above has described the utility model and its implementation mode, which is not restrictive, and the drawings only show one of the implementation modes of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. An exposure machine for printed circuit board production and processing, comprising an exposure machine body (1), the front end of the exposure machine body (1) is provided with a feeding assembly, characterized in that: The feeding assembly comprises a circular supporting plate (2), a rotary cylinder I (3) is installed at the bottom center of the supporting plate (2), a plurality of through holes are formed at the edge of the supporting plate (2), and transparent glass plates (4) are installed in the through holes, the through hole at the rear end of the supporting plate (2) is located directly below the light source of the exposure machine, a positioning frame (5) for positioning the circuit board is installed above the through holes at the top of the supporting plate (2), mechanical arms for taking and placing the circuit board are symmetrically installed on both sides of the exposure machine body (1), a cover plate (6) is hingedly installed above the feeding assembly at the front end of the exposure machine body (1), two operation holes corresponding to the positions of the through holes are formed in the cover plate (6).

2. The exposure machine for producing and processing printed circuit board according to claim 1, characterized in that: The operation holes are the same in diameter as the through holes, and a protective ring (7) is fixedly connected to the outside of the operation holes at the bottom of the cover plate (6).

3. The exposure machine for producing and processing printed circuit board according to claim 1, characterized in that: A plurality of fixed columns (8) are fixedly connected to the edge of the bottom of the supporting plate (2), the fixed columns (8) are located in the middle of two adjacent through holes, and casters (9) are installed at the bottom of the fixed columns (8).

4. The exposure machine for producing printed circuit board according to claim 1, characterized in that: An installation plate (10) is fixedly connected to the bottom of the positioning frame (5), a through groove adapted to the positioning frame (5) is formed in the middle of the installation plate (10), and the installation plate (10) is installed on the supporting plate (2) by a plurality of screws.

5. The exposure machine for producing and processing printed circuit board according to claim 1, characterized in that: Fixed plates (11) are fixedly connected to both sides of the exposure machine body (1), and the mechanical arms are installed on the top of the fixed plates (11).

6. The exposure machine for producing printed circuit board according to claim 1, characterized in that: The mechanical arm comprises a rotary cylinder II (12) installed on the fixed plate (11), a support rod (13) is installed at the output end of the rotary cylinder II (12), a cross plate (14) extending above the operation hole is installed at the top of the support rod (13), a telescopic cylinder (15) is installed through the cross plate (14), and a vacuum chuck (16) is installed at the output end of the telescopic cylinder (15).

7. The exposure machine for producing printed circuit board according to claim 6, wherein: The vacuum chuck (16) is located at the center of the operation hole.

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