Circuit board processing and developing equipment

Abstract

The present invention provides a circuit board processing and developing device, which relates to the field of circuit board developing technology, including a main body mechanism, a developing box is installed below the main body mechanism, an auxiliary mechanism is installed in the developing box, and a connecting seat is fixedly connected to one side of the front surface of the sliding plate. Through the above technical scheme, its purpose is: the circuit board can be moved into the lower supporting plate by a driving motor, and the No. 2 motor is started to drive the driving screw to rotate reciprocatingly, and the movable sleeve and the tooth plate can be driven to move horizontally along the driving screw by the rotation of the driving screw, and the tooth plate and the driven gear at the lower end of the connecting support rod are contacted, thereby driving the connecting support rod to swing back and forth with the support plate as the center, and the connecting support rod rotates with the L-shaped connecting sheet metal as the center through the upper connecting plate and the upper connecting block at the upper end of the side plate, and the circuit board is developed and printed through the printing cylinder on the lower connecting plate at the lower end of the side plate, so that the developer can fit the circuit on the circuit board, thereby accelerating the development rate and accuracy.

Description

Technical Field

[0001] The present invention relates to the technical field of circuit board development, and in particular to a circuit board processing and development device. Background Art

[0002] Through the circuit traces on its surface and the internal interlayer connections, the circuit board provides a pre-designed and precise electrical pathway for various electronic components. This allows current and signals to flow between components along the designed path. The circuit board processing and development process is one of the key steps in the photosensitive imaging process in printed circuit board manufacturing. Its main function is to clearly present the potential pattern on the exposed photosensitive material through chemical methods and prepare for the subsequent etching process. However, defects in the circuit board development process will directly affect the quality of the final circuit, resulting in line disconnection, short circuit, and even functional failure.

[0003] At present, in the prior art, in the process of developing circuit boards, most of the circuit boards are immersed in a developer. Incompletely removed developer remains on the surface of the circuit, resulting in the solder mask not being completely adhered, or causing the circuit to be corroded during etching. It can be seen that the circuit lines are blurred, the edges of the graphics are not clear, and even undeveloped photosensitive material is covered on the wires. Because the contact between the developer and the circuit board is not close enough, the present invention proposes a circuit board processing and developing device. Summary of the Invention

[0004] The purpose of the present invention is to solve the shortcomings in the prior art that when the circuit board is immersed in the developer, there is residual developer that is not completely removed on the circuit surface, which causes the solder mask to not be completely adhered, or causes the circuit to be corroded during etching, and it can be seen that the circuit lines are blurred, the edges of the graphics are not clear, and even undeveloped photosensitive material covers the wires, because the contact between the developer and the circuit board is not close enough.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a circuit board processing and developing equipment, including a main body mechanism, a developing box is installed under the main body mechanism, an auxiliary mechanism is installed in the developing box, and a developing mechanism is driven and installed on one side of the main body mechanism for driving the circuit board to move into the developing box; the main body mechanism includes a support frame, the upper surface of the support frame is fixedly connected to a fixed frame, the rear side of one side of the fixed frame is fixedly connected to a limiting plate, the middle part of the limiting plate is provided with an L-shaped slide groove, the front side of one side of the fixed frame is fixedly connected to an inner slide rail, a sliding plate is slidably installed in the inner slide rail, and an inclined slide groove is provided on the surface of the sliding plate, an outer slide rail is fixedly connected to the outer edge of the fixed frame, and a connecting seat is fixedly connected to one side of the front surface of the sliding plate, and a transmission rod is rotatably installed in the connecting seat.

[0006] In at least some embodiments, a slider is rotatably installed at one end of the transmission rod, the slider is located on one side of the fixed frame and is slidably installed on the outer slide rail, the slider is connected to an adjusting screw rod through threaded engagement, the upper end of the adjusting screw rod is fixed with a drive motor, and the drive motor is fixed to the outer side wall of the outer slide rail.

[0007] In at least some embodiments, the developing mechanism includes a support rod body, one end of the support rod body is fixedly connected to a limiting rod, the limiting rod is movably installed in an L-shaped slide groove and an inclined slide groove, the other end of the support rod body is fixedly connected to a mounting rod, an upper slide plate is provided above the support rod body, and the upper slide plate is slidably installed on an outer slide rail.

[0008] In at least some embodiments, a connecting rod is fixedly connected to one end of the lower surface of the upper slide plate, a push rod is fixedly connected to the lower end of the connecting rod, a limiting groove is provided at the lower end of the mounting rod, the push rod is installed in the limiting groove, a supporting plate is fixedly connected to the lower end of the mounting rod, and reinforcing sheet metal is fixedly connected to the upper surface of the supporting plate and both sides of the mounting rod.

[0009] In at least some embodiments, fixed seats are fixedly connected to the four corners of the upper surface of the supporting plate, and a fixed link is rotatably installed on each of the fixed seats. One end of the fixed link on the same side is fixedly connected to a side clamp, and the side clamps are located on both sides of the supporting plate. A transmission link is rotatably installed on the upper surface of each of the fixed links, and the other end of each of the transmission links is rotatably installed on the outer side wall of the push rod.

[0010] In at least some embodiments, the auxiliary mechanism includes a push rod support, which is fixed to the outer side wall of the developing box, an electric push rod is fixed to the upper surface of the push rod support, an output shaft of the electric push rod is fixed to an upper fixed plate, a fixed bracket is fixed to one side of the upper fixed plate, one end of the fixed bracket extends into the developing box, a lower support plate is fixed to the bottom of the fixed bracket, and a plurality of evenly distributed filter holes are opened through the upper surface of the lower support plate.

[0011] In at least some embodiments, an L-shaped connecting sheet metal is fixedly connected to the edge of the upper surface of the upper fixed plate, an upper connecting block is rotatably mounted on the upper end of the L-shaped connecting sheet metal, an upper connecting plate is rotatably mounted on the upper end of one side of the upper connecting block, side panels are rotatably mounted on both ends of the upper connecting plate, and a lower connecting plate is rotatably mounted on the lower ends of the two side panels.

[0012] In at least some embodiments, a movable plate is movably installed on the lower connecting plate, a printing cylinder is fixedly connected to one side of the lower end of the movable plate, connecting struts are rotatably installed on one side of the two side plates, support plates are rotatably installed on the lower ends of the two connecting struts, and the two support plates are fixed to the inner side wall of the fixed bracket.

[0013] In at least some embodiments, the lower ends of the two connecting struts are fixed with driven gears, and the two driven gears are meshed with tooth plates above them. The upper surface of the tooth plates is fixed with a movable sleeve, and the inside of the movable sleeve is connected with a driving screw through threaded engagement. The driving screw is rotatably installed between the inner sides of the fixed bracket, and one end of the driving screw is fixed with a No. 2 motor, and the No. 2 motor is fixed to the outer wall of the fixed bracket.

[0014] Compared with the prior art, the advantages and positive effects of the present invention are:

[0015] When the upper slide plate is moved along the outer rail and follows the limit rod to move synchronously with the limit rod, the push rod will rise and fall along the limit groove, so as to adjust the spacing between the supporting plate and the push rod. The transmission connecting rod on the outer wall of the push rod can drive the side clamps and the fixed connecting rod to move synchronously with the fixed seat. When the side clamps move to both sides of the supporting plate, the circuit board is grasped, thereby realizing the driving motor driving the side clamps to grasp the circuit board on the production line and move it to the developing box for immersion in the developing solution.

[0016] 2. In the present invention, the circuit board can be moved into the lower support plate by driving the motor, and the No. 2 motor is started to drive the driving screw to rotate back and forth, and the movable sleeve and the tooth plate can be driven to move horizontally along the driving screw by the rotation of the driving screw, and the tooth plate contacts the driven gear at the lower end of the connecting support rod, thereby driving the connecting support rod to swing back and forth with the support plate as the center. The connecting support rod rotates with the L-shaped connecting sheet metal as the center through the upper connecting plate and the upper connecting block at the upper end of the side plate, and the circuit board is developed and printed through the printing cylinder on the lower connecting plate at the lower end of the side plate, so that the developer can fit the circuit on the circuit board, thereby accelerating the development rate and accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The present invention provides a schematic perspective view of the overall structure of a circuit board processing and developing device;

[0018] Figure 2 The present invention provides a schematic three-dimensional diagram of the combined structure of the main body mechanism, developing mechanism and developing box of a circuit board processing and developing device;

[0019] Figure 3 The present invention provides a schematic three-dimensional diagram of the combined structure of an auxiliary mechanism and a developing box of a circuit board processing and developing device;

[0020] Figure 4 This is a schematic perspective view of the overall structure of one side of an auxiliary mechanism of a circuit board processing and developing device proposed by the present invention;

[0021] Figure 5 This is a schematic perspective view of the other side of the auxiliary mechanism of a circuit board processing and developing device proposed by the present invention;

[0022] Figure 6 A schematic perspective view of the auxiliary mechanism portion of a circuit board processing and developing device proposed by the present invention;

[0023] Figure 7 This is a schematic three-dimensional diagram of the overall structure of the main mechanism of a circuit board processing and developing device proposed by the present invention;

[0024] Figure 8 The present invention provides a schematic three-dimensional diagram of the overall structure of a developing mechanism of a circuit board processing and developing device.

[0025] Legend: 100, main mechanism; 200, developing mechanism; 300, auxiliary mechanism; 400, developing box; 101, supporting frame; 102, fixing frame; 103, limiting plate; 104, L-shaped slide; 105, inner slide rail; 106, sliding plate; 107, inclined slide; 108, connecting seat; 109, transmission rod; 110, outer slide rail; 111, driving motor; 112, slider; 113, adjusting screw; 201, upper slide; 202, supporting rod body; 203, limiting rod; 204, mounting rod; 205, connecting rod; 206, reinforcing sheet metal; 207, bearing plate; 208, limiting rod Slot; 209, push rod; 210, fixed connecting rod; 211, side clamp; 212, transmission connecting rod; 213, fixed seat; 301, lower support plate; 302, filter hole; 303, fixed bracket; 304, upper fixed plate; 305, upper connecting plate; 306, side plate; 307, support plate; 308, movable plate; 309, printing cylinder; 310, driven gear; 311, electric push rod; 312, push rod support; 313, connecting support rod; 314, upper connecting block; 315, L-shaped connecting sheet metal; 316, lower connecting plate; 317, driving screw; 318, No. 2 motor; 319, gear plate; 320, movable sleeve. DETAILED DESCRIPTION

[0026] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, in the absence of conflict, the embodiments of the present application and the features therein can be combined with each other.

[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] Embodiment, according to Figures 1-8 An embodiment of the present invention provides a circuit board processing and developing device, comprising a main body mechanism 100, a developing box 400 is installed below the main body mechanism 100, an auxiliary mechanism 300 is installed in the developing box 400, and a developing mechanism 200 is driven and installed on one side of the main body mechanism 100 for driving the circuit board to move into the developing box 400; Figure 7 As shown, the main mechanism 100 includes a support frame 101, a fixed frame 102 is fixedly connected to the upper surface of the support frame 101, a limiting plate 103 is fixedly connected to the rear of one side of the fixed frame 102, an L-shaped sliding groove 104 is provided in the middle of the limiting plate 103, an inner sliding rail 105 is fixedly connected to the front of one side of the fixed frame 102, a sliding plate 106 is slidably installed in the inner sliding rail 105, an inclined sliding groove 107 is provided on the surface of the sliding plate 106, an outer sliding rail 110 is fixedly connected to the outer edge of the fixed frame 102, a connecting seat 108 is fixedly connected to one side of the front surface of the sliding plate 106, and a transmission rod 109 is rotatably installed in the connecting seat 108.

[0029] like Figure 7 As shown, a slider 112 is rotatably installed at one end of the transmission rod 109, and the slider 112 is located on one side of the fixed frame 102 and is slidably installed on the outer slide rail 110. The slider 112 is connected to an adjusting screw rod 113 through threaded engagement, and the upper end of the adjusting screw rod 113 is fixedly connected to a driving motor 111. The driving motor 111 is fixedly connected to the outer wall of the outer slide rail 110, and the driving motor 111 drives the adjusting screw rod 113 to rotate. The rotation of the adjusting screw rod 113 can drive the slider 112 to move along the adjusting screw rod 113. During the lifting process of the slider 112, the transmission rod 109 can push the sliding plate 106 to move horizontally along the inner slide rail 105. Due to the inclined slide groove 107 on the surface of the sliding plate 106 and the L-shaped slide groove 104 in the limit plate 103 on one side, the limit rod 203 can be driven to move along the L-shaped slide groove 104 to both ends, thereby achieving the effect of driving the device to move.

[0030] like Figure 8As shown, the developing mechanism 200 includes a supporting rod body 202, one end of the supporting rod body 202 is fixedly connected to a limiting rod 203, the limiting rod 203 is movably installed in the L-shaped slide groove 104 and the inclined slide groove 107, the other end of the supporting rod body 202 is fixedly connected to a mounting rod 204, an upper slide plate 201 is provided above the supporting rod body 202, the upper slide plate 201 is slidably installed on the outer slide rail 110, one end of the lower surface of the upper slide plate 201 is fixedly connected to a connecting rod 205, and the lower end of the connecting rod 205 is fixedly connected to the push rod 20 9. The lower end of the mounting rod 204 is provided with a limiting groove 208, and the push rod 209 is installed in the limiting groove 208. The lower end of the mounting rod 204 is fixedly connected to a bearing plate 207. The upper surface of the bearing plate 207 and both sides of the mounting rod 204 are fixedly connected with a reinforcing sheet metal 206. The four corners of the upper surface of the bearing plate 207 are fixedly connected with a fixing seat 213. A fixing link 210 is rotatably installed on each of the fixing seats 213. One end of the fixing link 210 on the same side is fixedly connected to a side clamp 211. The side clamp 211 is located at On both sides of the carrying plate 207, a transmission link 212 is rotatably installed on the upper surface of each fixed link 210, and the other end of each transmission link 212 is rotatably installed on the outer wall of the push rod 209. When the limit rod 203 is located in the L-shaped slide groove 104 and moves, the height of the limit rod 203 and the installation rod 204 will change. The connecting rod 205 on the lower surface of the upper slide plate 201 is slidably installed in the limit groove 208 through the push rod 209. When the upper slide plate 201 moves synchronously along the outer slide rail 110 following the limit rod 203, The push rod 209 will rise and fall along the limit groove 208 to adjust the distance between the supporting plate 207 and the push rod 209. The transmission connecting rod 212 on the outer wall of the push rod 209 can drive the side clamp 211 and the fixed connecting rod 210 to move synchronously with the fixed seat 213 as the center. When the side clamp 211 moves to both sides of the supporting plate 207, it can grasp the circuit board, and then realize the driving motor 111 to drive the side clamp 211 to grasp the circuit board on the production line and move it to the developing box 400 for immersion in the developing solution.

[0031] like Figure 4-Figure 6As shown, the auxiliary mechanism 300 includes a push rod support 312, which is fixed to the outer wall of the developing box 400. The upper surface of the push rod support 312 is fixed with an electric push rod 311, and the output shaft of the electric push rod 311 is fixed with an upper fixed plate 304. One side of the upper fixed plate 304 is fixed with a fixed bracket 303, and one end of the fixed bracket 303 extends into the developing box 400. The bottom of the fixed bracket 303 is fixed with a lower supporting plate 301, and the upper surface of the lower supporting plate 301 is penetrated by a plurality of evenly distributed filter holes 302. The upper edge of the upper surface of the upper fixed plate 304 is fixed with an L-shaped connecting sheet metal 315 The upper end of the L-shaped connecting sheet metal 315 is rotatably mounted with an upper connecting block 314, and the upper end of one side of the upper connecting block 314 is rotatably mounted with an upper connecting plate 305. The two ends of the upper connecting plate 305 are rotatably mounted with side panels 306. The lower ends of the two side panels 306 are rotatably mounted with lower connecting plates 316. A movable plate 308 is movably mounted on the lower connecting plate 316. A printing cylinder 309 is fixed to one side of the lower end of the movable plate 308. A connecting rod 313 is rotatably mounted on one side of the two side panels 306. The lower ends of the two connecting rods 313 are rotatably mounted with support plates 307. The two support plates 307 are both fixed to the inner side of the fixed bracket 303. The lower ends of the two connecting struts 313 are fixed with driven gears 310, and the upper ends of the two driven gears 310 are meshed with tooth plates 319, and the upper surface of the tooth plates 319 is fixed with a movable sleeve 320, and the movable sleeve 320 is connected with a driving screw rod 317 through threaded meshing. The driving screw rod 317 is rotatably installed between the inner sides of the fixed bracket 303, and one end of the driving screw rod 317 is fixed with a No. 2 motor 318, and the No. 2 motor 318 is fixed to the outer wall of the fixed bracket 303. The circuit board can be moved to the lower support plate 301 by driving the motor 111, and the No. 2 motor 318 is started to drive the driving screw rod 317. The reciprocating rotation can drive the movable sleeve 320 and the tooth plate 319 to move horizontally along the driving screw rod 317 through the rotation of the driving screw rod 317, and the tooth plate 319 contacts the driven gear 310 at the lower end of the connecting support rod 313, thereby driving the connecting support rod 313 to swing back and forth with the support plate 307 as the center. The connecting support rod 313 rotates with the L-shaped connecting sheet metal 315 as the center through the upper connecting plate 305 and the upper connecting block 314 at the upper end of the side plate 306, and develops and prints the circuit board through the printing cylinder 309 on the lower connecting plate 316 at the lower end of the side plate 306, so that the developer can fit the circuit on the circuit board, thereby accelerating the development speed and accuracy.

[0032] The working principle of the present invention is as follows: first, the developer is poured into the developing box 400, and the device is placed on one side of the circuit board conveyor line, and the carrier plate 207 is aligned with the center line of the circuit board conveyor line. When the circuit board needs to be developed, the drive motor 111 is started to drive the adjusting screw 113 to rotate. The rotation of the adjusting screw 113 can drive the slider 112 to move along the adjusting screw 113. During the lifting process of the slider 112, the transmission rod 109 can push the sliding plate 106 to move horizontally along the inner slide rail 105. Due to the inclined slide groove 107 on the surface of the sliding plate 106 and the side thereof, the sliding plate 106 can move horizontally along the inner slide rail 105. The L-shaped slot 104 in the limit plate 103 can drive the limit rod 203 to move along the L-shaped slot 104 to both ends, thereby achieving the effect of driving the device to move. When the limit rod 203 is located in the L-shaped slot 104 and moves, the height of the limit rod 203 and the mounting rod 204 will change, and the connecting rod 205 on the lower surface of the upper slide 201 will be slidably installed in the limit slot 208 through the push rod 209. When the upper slide 201 moves synchronously with the limit rod 203 along the outer slide rail 110, the push rod 209 will rise and fall along the limit slot 208 to achieve the adjustment between the load-bearing plate 207 and the push rod 209. The side clamps 211 and the fixed connecting rod 210 can be driven to move synchronously with the fixed seat 213 as the center through the transmission connecting rod 212 on the outer wall of the push rod 209. When the side clamps 211 move to both sides of the carrier plate 207, the circuit board can be grasped, and then the driving motor 111 drives the side clamps 211 to grasp the circuit board on the production line and move it to the developing box 400 for soaking in the developer. The circuit board can be moved to the lower supporting plate 301 by the driving motor 111, and the second motor 318 is started to drive the driving screw 317 to rotate back and forth, and the driving screw 3 The rotation of 17 drives the movable sleeve 320 and the tooth plate 319 to move horizontally along the driving screw rod 317, and contacts the driven gear 310 at the lower end of the tooth plate 319 and the connecting strut 313, thereby driving the connecting strut 313 to swing back and forth with the support plate 307 as the center. The connecting strut 313 rotates with the L-shaped connecting sheet metal 315 as the center through the upper connecting plate 305 and the upper connecting block 314 at the upper end of the side plate 306, and develops and prints the circuit board through the printing cylinder 309 on the lower connecting plate 316 at the lower end of the side plate 306, so that the developer can fit the circuit on the circuit board, thereby accelerating the development speed and accuracy.

[0033] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention in any other form. Any person skilled in the art may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiments made in accordance with the technical essence of the present invention without departing from the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A circuit board processing and developing device, comprising a main body mechanism (100), characterized in that: A developing box (400) is installed below the main body mechanism (100), an auxiliary mechanism (300) is installed in the developing box (400), and a developing mechanism (200) is driven and installed on one side of the main body mechanism (100) for driving the circuit board to move into the developing box (400); The main body mechanism (100) includes a support frame (101), a fixed frame (102) is fixedly connected to the upper surface of the support frame (101), a limit plate (103) is fixedly connected to the rear of one side of the fixed frame (102), an L-shaped sliding groove (104) is provided in the middle of the limit plate (103), an inner slide rail (105) is fixedly connected to the front of one side of the fixed frame (102), a sliding plate (106) is slidably installed in the inner slide rail (105), an inclined sliding groove (107) is provided on the surface of the sliding plate (106), an outer slide rail (110) is fixedly connected to the outer edge of the fixed frame (102), a connecting seat (108) is fixedly connected to one side of the front surface of the sliding plate (106), and a transmission rod (109) is rotatably installed in the connecting seat (108); The developing mechanism (200) comprises a supporting rod body (202), one end of the supporting rod body (202) is fixedly connected to a limiting rod (203), the limiting rod (203) is movably installed in an L-shaped slide groove (104) and an inclined slide groove (107), the other end of the supporting rod body (202) is fixedly connected to a mounting rod (204), an upper slide plate (201) is provided above the supporting rod body (202), and the upper slide plate (201) is slidably installed on an outer slide rail (110); A connecting rod (205) is fixedly connected to one end of the lower surface of the upper slide plate (201), a push rod (209) is fixedly connected to the lower end of the connecting rod (205), a limiting groove (208) is provided at the lower end of the mounting rod (204), the push rod (209) is installed in the limiting groove (208), a bearing plate (207) is fixedly connected to the lower end of the mounting rod (204), and a reinforcing sheet metal (206) is fixedly connected to the upper surface of the bearing plate (207) and both sides of the mounting rod (204); The four corners of the upper surface of the supporting plate (207) are fixedly connected with fixed seats (213), and a fixed link (210) is rotatably mounted on each of the fixed seats (213). One end of the fixed link (210) on the same side is fixedly connected with a side clamp (211), and the side clamp (211) is located on both sides of the supporting plate (207). A transmission link (212) is rotatably mounted on the upper surface of each of the fixed links (210), and the other end of each of the transmission links (212) is rotatably mounted on the outer wall of the push rod (209).

2. The circuit board processing and developing device according to claim 1, characterized in that: A slider (112) is rotatably mounted on one end of the transmission rod (109), the slider (112) is located on one side of the fixed frame (102) and is slidably mounted on the outer slide rail (110), the slider (112) is connected to an adjusting screw rod (113) through threaded engagement, the upper end of the adjusting screw rod (113) is fixedly connected to a driving motor (111), and the driving motor (111) is fixedly connected to the outer side wall of the outer slide rail (110).

3. The circuit board processing and developing device according to claim 1, characterized in that: The auxiliary mechanism (300) includes a push rod support (312), the push rod support (312) is fixed to the outer wall of the developing box (400), an electric push rod (311) is fixed to the upper surface of the push rod support (312), an output shaft of the electric push rod (311) is fixed to an upper fixed plate (304), a fixed bracket (303) is fixed to one side of the upper fixed plate (304), one end of the fixed bracket (303) extends into the developing box (400), a lower support plate (301) is fixed to the bottom of the fixed bracket (303), and a plurality of evenly distributed filter holes (302) are formed through the upper surface of the lower support plate (301).

4. The circuit board processing and developing device according to claim 3, characterized in that: An L-shaped connecting sheet metal (315) is fixedly connected to the edge of the upper surface of the upper fixed plate (304), an upper connecting block (314) is rotatably mounted on the upper end of the L-shaped connecting sheet metal (315), an upper connecting plate (305) is rotatably mounted on the upper end of one side of the upper connecting block (314), side plates (306) are rotatably mounted on both ends of the upper connecting plate (305), and a lower connecting plate (316) is rotatably mounted on the lower ends of the two side plates (306).

5. The circuit board processing and developing device according to claim 4, characterized in that: A movable plate (308) is movably mounted on the lower connecting plate (316), a printing cylinder (309) is fixedly connected to one side of the lower end of the movable plate (308), a connecting rod (313) is rotatably mounted on one side of the two side plates (306), a support plate (307) is rotatably mounted on the lower ends of the two connecting rods (313), and the two support plates (307) are fixedly connected to the inner wall of the fixed bracket (303).

6. The circuit board processing and developing device according to claim 5, characterized in that: The lower ends of the two connecting struts (313) are fixedly connected to driven gears (310), and the upper ends of the two driven gears (310) are meshedly connected to a tooth plate (319), and the upper surface of the tooth plate (319) is fixedly connected to a movable sleeve (320), and the movable sleeve (320) is meshedly connected to a driving screw rod (317) through a threaded connection, and the driving screw rod (317) is rotatably installed between the inner sides of the fixed bracket (303), and one end of the driving screw rod (317) is fixedly connected to a No. 2 motor (318), and the No. 2 motor (318) is fixedly connected to the outer wall of the fixed bracket (303).

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