Automatic plate changing exposure machine

Abstract

The present invention relates to the technical field of circuit board production, and specifically relates to an automatic board-changing exposure machine, comprising a machine body, a control row of keys fixed to one side of the machine body, an upper platen disposed within the machine body, and a lower platen positioned below the upper platen, a material-discharging robotic arm mounted on one side of the machine body surface, and a material-retrieving robotic arm mounted on the other side of the machine body surface, an automatic board-changing mechanism disposed within the machine body, positioning and placement mechanisms disposed on both the upper and lower platens, and an air-suction exposure mechanism disposed within the machine body, wherein a second electric push rod, a lamp body, a frame, a Mylar film, and an air pump are disposed within the air-suction exposure mechanism. The present invention not only realizes the automatic board-changing function of the exposure machine, thus reducing the labor intensity of workers when using the exposure machine, but also avoids the phenomenon of circuit boards shifting when the exposure machine is in use.

Description

Technical Field

[0001] The present invention relates to the technical field of circuit board production, in particular to an automatic board changing exposure machine. Background Art

[0002] PCB circuit board, also known as printed circuit board, is the provider of electrical connections for electronic components. PCB circuit boards need to be exposed through an exposure machine during production. An exposure machine is a machine that transfers image information from film or other transparent objects to a surface coated with a photosensitive material by turning on the light.

[0003] After searching, the patent number is 201710167869.9, and the name is an invention of an automatic exposure machine. A feed guide rail is provided on the frame along the material feeding direction, and a movable guide plate is provided on the feed guide rail. A manipulator for fixing the material is provided on the guide plate, which makes a linear reciprocating motion in the vertical direction. It also includes a driving device corresponding to the manipulator for driving the manipulator to move. The driving device includes a push rod for pushing the manipulator up and a first elastic member for pulling the manipulator down. Through research and analysis, it is found that although the exposure machine has the function of thickness compensation and is safer to use, it still has some shortcomings to a certain extent. First, the replacement of the upper and lower plates of the exposure machine is cumbersome when the exposure machine is in use, which makes the labor intensity of the workers higher when the exposure machine is used; secondly, the exposure machine is not provided with a positioning and placement function for the circuit board when in use, which easily leads to the displacement of the circuit board when the exposure machine is in use. Summary of the Invention

[0004] The purpose of the present invention is to provide an automatic board-changing exposure machine to solve the problems raised in the above-mentioned background technology, such as the high labor intensity of workers when using the exposure machine and the displacement of circuit boards.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an automatic plate changing exposure machine, comprising a machine body, a control row of keys fixed to one side of the machine body, an upper plate arranged inside the machine body, and a lower plate placed below the upper plate, a material discharge robot arm installed on one side of the machine body surface, a material picking robot arm installed on the other side of the machine body surface, an automatic plate changing mechanism arranged inside the machine body, a positioning and placement mechanism arranged on the surfaces of the upper plate and the lower plate, an air suction exposure mechanism arranged inside the machine body, and a second electric push rod, a lamp body, a frame, a Mylar film and an air pump arranged inside the air suction exposure mechanism.

[0006] Preferably, the interior of the automatic plate changing mechanism includes an elastic rope, a limiting slide groove, a fixed pulley, an adjustment rope and a first electric push rod. The inner walls on both sides of the body are provided with limiting slide grooves, and the limiting slide grooves are respectively slidably cooperated with the upper plate and the lower plate. Elastic ropes are fixed at both ends of one side of the upper plate, and the surface of one end of the elastic rope is fixedly connected to the inner wall of the limiting slide groove.

[0007] Preferably, the fixed pulleys are respectively installed at both ends of one side of the machine body, and an adjusting rope is wrapped around the surface of the fixed pulley, and the surface of one end of the adjusting rope is fixedly connected to the surface of the upper platform, and at the same time, the surface of the other end of the adjusting rope is fixedly connected to the surface of the lower platform. A first electric push rod is installed inside the machine body, and the input end of the first electric push rod is electrically connected to the output end of the control keypad, and the output end of the first electric push rod is fixedly connected to one end of the lower platform through a connecting block.

[0008] Preferably, the positioning and placement mechanism consists of an L-shaped plate, a positioning card hole, a mounting plate and a positioning card column. L-shaped plates are placed at the corner positions of the surfaces of the upper and lower plates for positioning and placing the circuit board, and the height of the L-shaped plate is less than or equal to the height of the circuit board. A mounting plate is fixed on one side of the L-shaped plate, and a positioning card column is fixed on the bottom of the mounting plate. Positioning card holes are opened on the surfaces of the upper and lower plates, and the positioning card holes and the positioning card columns are engaged with each other.

[0009] Preferably, the second electric push rod is embedded in the interior of the machine body, and the input end of the second electric push rod is electrically connected to the output end of the control keypad, the output end of the second electric push rod is fixed with a frame, and the frame is located directly above the lower platform, and the Mylar film is installed inside the Mylar film, lamp bodies are installed on both sides of the interior of the machine body, and the input end of the lamp body is electrically connected to the output end of the control keypad.

[0010] Preferably, vacuum pumps are installed on both sides of the frame surface, and the input end of the vacuum pump is electrically connected to the output end of the control keypad. The output end of the vacuum pump extends to the inner side of the Mylar film through a pipeline for vacuum suction.

[0011] Compared with the prior art, the beneficial effects of the present invention are: the automatic board-changing exposure machine not only reduces the labor intensity of workers when using the exposure machine, but also avoids the displacement of circuit boards when the exposure machine is in use;

[0012] 1. By providing an automatic plate changing mechanism, when the operation of the upper plate is completed, the first electric push rod can be controlled to retract. At this time, the upper plate can be reset under the action of the elastic rope. At this time, the lower plate can be moved to the bottom of the frame under the action of the fixed pulley and the adjusting rope. The upper and lower plates can be guided by the limiting slide. At this time, the circuit board on the surface of the lower plate can be operated. At the same time, the material-retrieving robot arm can be operated to remove the circuit board on the surface of the upper plate for the next process, and the material-retrieving robot arm can be used to grab the next circuit board. The above operation is repeated, realizing the automatic plate changing function of the exposure machine, thereby reducing the labor intensity of workers when using the exposure machine;

[0013] 2. By providing a positioning and placement mechanism, the L-shaped plate can be placed on the surface of the upper platen and the lower platen respectively, and the positioning posts can be inserted into the positioning holes. The mounting plate can be fixed under the engagement of the positioning holes and the positioning posts, thereby fixing the L-shaped plate. The circuit board to be exposed can be placed between the L-shaped plates, realizing the exposure machine's positioning and placement function for the circuit board, thereby avoiding the displacement of the circuit board when the exposure machine is in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the three-dimensional appearance structure of the present invention;

[0015] Figure 2 This is a schematic diagram of the main cross-sectional structure of the present invention;

[0016] Figure 3 It is an enlarged structural diagram of the positioning and placement mechanism of the present invention;

[0017] Figure 4 It is an enlarged structural diagram of the air suction exposure mechanism of the present invention.

[0018] In the figure: 1. Machine body; 101. Control row of keys; 102. Upper plate; 103. Lower plate; 2. Material unloading robot arm; 201. Material picking robot arm; 3. Automatic plate changing mechanism; 301. Elastic rope; 302. Limiting slide; 303. Fixed pulley; 304. Adjusting rope; 305. First electric push rod; 4. Positioning and placing mechanism; 401. L-shaped plate; 402. Positioning hole; 403. Mounting plate; 404. Positioning column; 5. Suction exposure mechanism; 501. Second electric push rod; 502. Lamp body; 503. Frame; 504. Mylar film; 505. Vacuum pump. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. In addition, the terms "first", "second", "third", "upper, lower, left, right", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. At the same time, in the description of the present invention, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0020] The structure of an automatic plate changing exposure machine provided by the present invention is as follows Figure 1 and Figure 2 As shown, it includes a body 1, a control key row 101 is fixed on one side of the body 1, and the model of the control key row 101 can be selected from the LA series. An upper plate 102 is provided inside the body 1, and a lower plate 103 is placed under the upper plate 102. A discharge robot arm 2 is installed on one side of the surface of the body 1, and a pick-up robot arm 201 is installed on the other side of the surface of the body 1.

[0021] Furthermore, if Figure 2 As shown, the interior of the machine body 1 is provided with an automatic plate changing mechanism 3, and the interior of the automatic plate changing mechanism 3 includes an elastic rope 301, a limiting slide groove 302, a fixed pulley 303, an adjustment rope 304 and a first electric push rod 305. The inner walls on both sides of the machine body 1 are provided with a limiting slide groove 302, and the limiting slide groove 302 is respectively slidably matched with the upper plate 102 and the lower plate 103. Both ends of one side of the upper plate 102 are fixed with an elastic rope 301, and the surface of one end of the elastic rope 301 is fixedly connected to the inner wall of the limiting slide groove 302. The fixed pulleys 303 are respectively installed on one side of the machine body 1. Both ends of the fixed pulley 303 are wound with an adjusting rope 304, and the surface of one end of the adjusting rope 304 is fixedly connected to the surface of the upper platform 102. At the same time, the surface of the other end of the adjusting rope 304 is fixedly connected to the surface of the lower platform 103. A first electric push rod 305 is installed inside the body 1. The model of the first electric push rod 305 can be TA series, and the input end of the first electric push rod 305 is electrically connected to the output end of the control keypad 101, and the output end of the first electric push rod 305 is fixedly connected to one end of the lower platform 103 through a connecting block.

[0022] During use, when the operation of the upper platform 102 is completed, the first electric push rod 305 can be controlled to retract. At this time, the upper platform 102 can be reset under the action of the elastic rope 301. At this time, the lower platform 103 can be moved to the bottom of the frame 503 under the action of the fixed pulley 303 and the adjusting rope 304. The upper and lower platforms 102 and 103 can be guided under the action of the limiting slide 302. At this time, the circuit board on the surface of the lower platform 103 can be operated. At the same time, the material picking robot 201 can be operated to take out the circuit board on the surface of the upper platform 102 for the next process, and the material discharging robot 2 can be used to grab the next circuit board, and then repeat the above operations to realize the automatic board changing function of the exposure machine.

[0023] Furthermore, if Figure 3 As shown, the surfaces of the upper plate 102 and the lower plate 103 are both provided with a positioning and placement mechanism 4, and the positioning and placement mechanism 4 is composed of an L-shaped plate 401, a positioning card hole 402, a mounting plate 403 and a positioning card column 404. L-shaped plates 401 are placed at the corner positions of the surfaces of the upper plate 102 and the lower plate 103 for positioning and placing the circuit board, and the height of the L-shaped plate 401 is less than or equal to the height of the circuit board. A mounting plate 403 is fixed on one side of the L-shaped plate 401, and a positioning card column 404 is fixed on the bottom of the mounting plate 403. Positioning card holes 402 are opened on the surfaces of the upper plate 102 and the lower plate 103, and the positioning card holes 402 and the positioning card columns 404 are engaged with each other.

[0024] When in use, the L-shaped plate 401 can be placed on the surface of the upper plate 102 and the lower plate 103 respectively, so that the positioning column 404 is inserted into the positioning hole 402, and the mounting plate 403 is fixed under the locking action of the positioning hole 402 and the positioning column 404, thereby fixing the L-shaped plate 401. The circuit board to be exposed can be placed between the L-shaped plates 401 to realize the exposure machine's positioning and placement function for the circuit board.

[0025] Furthermore, if Figure 2 and Figure 4As shown, the interior of the machine body 1 is provided with an air suction exposure mechanism 5, and the interior of the air suction exposure mechanism 5 is provided with a second electric push rod 501, a lamp body 502, a frame 503, a Mylar film 504 and an air pump 505. The second electric push rod 501 is embedded in the interior of the machine body 1. The model of the second electric push rod 501 can be selected from the TA series. The input end of the second electric push rod 501 is electrically connected to the output end of the control keypad 101. The output end of the second electric push rod 501 is fixed with a frame 503, and the frame 503 is located on the lower plate. 103 is directly above the frame 1, and the Mylar film 504 is installed inside the Mylar film 504, lamp bodies 502 are installed on both sides of the inside of the body 1, and the input end of the lamp body 502 is electrically connected to the output end of the control keypad 101, and vacuum pumps 505 are installed on both sides of the surface of the frame 503. The model of the vacuum pump 505 can be DZ series, and the input end of the vacuum pump 505 is electrically connected to the output end of the control keypad 101, and the output end of the vacuum pump 505 extends to the inner side of the Mylar film 504 through a pipe for vacuum suction.

[0026] During use, the unloading robot arm 2 can be controlled to work, so that the unloading robot arm 2 grabs the circuit board and places it on the surface of the upper platen 102. When the upper platen 102 is located below the frame 503, the control row of keys 101 can be operated to make the control row of keys 101 control the second electric push rod 501 to work, and under the action of the second electric push rod 501, the frame 503 is driven down, so that the Mylar film 504 covers the circuit board, and then the control row of keys 101 can be operated to make the control row of keys 101 control the vacuum pump 505 to work, and vacuum is sucked under the action of the vacuum pump 505, and then the lamp body 502 is turned on for exposure to realize the exposure function of the exposure machine.

[0027] Working principle: When in use, first place the L-shaped plate 401 on the surface of the upper plate 102 and the lower plate 103 respectively, insert the positioning post 404 into the positioning hole 402, and fix the mounting plate 403 under the locking action of the positioning hole 402 and the positioning post 404, so as to fix the L-shaped plate 401. The circuit board to be exposed can be placed between the L-shaped plates 401 to realize the exposure machine's positioning and placement function for the circuit board, thereby avoiding the displacement of the circuit board when the exposure machine is in use.

[0028] Then the material discharging robot arm 2 can be controlled to work, so that the material discharging robot arm 2 grabs the circuit board and places it on the surface of the upper plate 102. Then, the control row key 101 can be operated to make the control row key 101 control the first electric push rod 305 to work, and the lower plate 103 is driven out under the action of the first electric push rod 305. At this time, the upper plate 102 can be pulled to the bottom of the frame 503 under the action of the fixed pulley 303 and the adjusting rope 304, and then the next circuit board is placed on the surface of the lower plate 103. The control row key 101 can be operated to make the control row key 101 control the second electric push rod 501 to work, and the frame 503 is driven to descend under the action of the second electric push rod 501, so that the Mylar film 504 covers the circuit board. Then, the control row key 101 can be operated to make the control row key 101 control the vacuum pump 505 to work, and vacuum is sucked under the action of the vacuum pump 505. Then the lamp body 502 is turned on for exposure to realize the exposure function of the exposure machine.

[0029] When the operation of the upper platform 102 is completed, the first electric push rod 305 can be controlled to retract. At this time, the upper platform 102 can be reset under the action of the elastic rope 301. At this time, the lower platform 103 can be moved to the bottom of the frame 503 under the action of the fixed pulley 303 and the adjusting rope 304. The upper and lower platforms 102 and 103 can be guided under the action of the limiting slide 302. At this time, the circuit board on the surface of the lower platform 103 can be operated. At the same time, the material picking robot 201 can be operated to take out the circuit board on the surface of the upper platform 102 for the next process, and the material discharging robot 2 can be used to grab the next circuit board, and then repeat the above operations to realize the automatic board changing function of the exposure machine, thereby reducing the labor intensity of workers when using the exposure machine, and finally completing the use of the exposure machine.

[0030] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. An automatic plate-changing exposure machine, comprising a machine body (1), characterized in that: A control row key (101) is fixed on one side of the body (1), an upper plate (102) is provided inside the body (1), and a lower plate (103) is placed below the upper plate (102), a material discharging mechanical arm (2) is installed on one side of the surface of the body (1), and a material taking mechanical arm (201) is installed on the other side of the surface of the body (1), an automatic plate changing mechanism (3) is provided inside the body (1), and the surfaces of the upper plate (102) and the lower plate (103) are both provided with positioning and placing mechanisms. The machine body (4) is provided with an air suction exposure mechanism (5) inside, and the air suction exposure mechanism (5) is provided with a second electric push rod (501), a lamp body (502), a frame (503), a Mylar film (504) and an air pump (505) inside; the automatic plate changing mechanism (3) includes an elastic rope (301), a limiting slide groove (302), a fixed pulley (303), an adjustment rope (304) and a first electric push rod (305), and the inner walls on both sides of the machine body (1) are provided with limited The positioning slide (302) is provided, and the limiting slide (302) is respectively slidably matched with the upper plate (102) and the lower plate (103), and both ends of one side of the upper plate (102) are fixed with elastic ropes (301), and the surface of one end of the elastic rope (301) is fixedly connected to the inner wall of the limiting slide (302); the positioning placement mechanism (4) is composed of an L-shaped plate (401), a positioning card hole (402), a mounting plate (403) and a positioning card column (404), and the upper plate (102) and the lower plate ( L-shaped plates (401) are placed at the corner positions of the surface of the upper platform (102) and the lower platform (103) for positioning and placing the circuit board, and the height of the L-shaped plates (401) is less than or equal to the height of the circuit board, a mounting plate (403) is fixed on one side of the L-shaped plates (401), and a positioning post (404) is fixed on the bottom of the mounting plate (403), and positioning holes (402) are opened on the surfaces of the upper platform (102) and the lower platform (103), and the positioning holes (402) and the positioning posts (404) are engaged with each other.

2. The automatic plate changing exposure machine according to claim 1, characterized in that: The fixed pulleys (303) are respectively installed at both ends of one side of the machine body (1), and an adjusting rope (304) is wound around the surface of the fixed pulley (303), and the surface of one end of the adjusting rope (304) is fixedly connected to the surface of the upper platform (102), and at the same time, the surface of the other end of the adjusting rope (304) is fixedly connected to the surface of the lower platform (103). A first electric push rod (305) is installed inside the machine body (1), and the input end of the first electric push rod (305) is electrically connected to the output end of the control row key (101), and the output end of the first electric push rod (305) is fixedly connected to one end of the lower platform (103) through a connecting block.

3. The automatic plate changing exposure machine according to claim 1, characterized in that: The second electric push rod (501) is embedded in the interior of the machine body (1), and the input end of the second electric push rod (501) is electrically connected to the output end of the control keypad (101), a frame (503) is fixed to the output end of the second electric push rod (501), and the frame (503) is located directly above the lower platform (103), and a Mylar film (504) is installed inside the Mylar film (504), and lamp bodies (502) are installed on both sides of the interior of the machine body (1), and the input end of the lamp body (502) is electrically connected to the output end of the control keypad (101).

4. The automatic plate changing exposure machine according to claim 3, characterized in that: An air pump (505) is installed on both sides of the surface of the frame (503), and the input end of the air pump (505) is electrically connected to the output end of the control keypad (101). The output end of the air pump (505) extends to the inner side of the Mylar film (504) through a pipeline for vacuum suction.

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