A UV machine with excellent cooling effect

Abstract

This application relates to a UV printer with excellent cooling effect, belonging to the technical field of UV printers. It includes a frame, within which a conveying mechanism is longitudinally arranged. A drive mechanism connected to the conveying mechanism is located on one side of the frame parallel to the circuit board conveying direction. The drive mechanism drives the conveying mechanism to convey the circuit boards. A water-cooling mechanism is provided on the frame for water-cooling the conveyed circuit boards. The water-cooling mechanism is connected to a cleaning mechanism for cleaning the water outlet of the water-cooling mechanism to improve the water outlet effect. This application improves the cooling effect on the circuit boards, thereby ensuring the quality of subsequent screen printing on the circuit boards.

Description

Technical Field

[0001] This application relates to the technical field of UV machines, and in particular to a UV machine with excellent cooling effect. Background Technology

[0002] Printed circuit boards, also known as printed circuit boards, are providers of electrical connections for electronic components.

[0003] In the existing process of screen printing single-sided circuits on circuit boards, the circuit board is first polished by a grinding machine, then printed on the surface of the circuit board by a printing machine, and the printed circuit board is sent into a UV machine for drying. Since the surface temperature of the dried circuit board is relatively high, a fan is usually installed at the discharge end of the UV machine to cool the surface of the circuit board. Finally, the single-sided circuits are screen printed on the surface of the circuit board by a screen printing machine.

[0004] Regarding the aforementioned technologies, the inventors believe that installing a fan at the outlet of the UV machine to cool the circuit board with a high temperature results in only moderate cooling effect, which may affect the subsequent screen printing on the circuit board. Summary of the Invention

[0005] In order to improve the cooling effect on the circuit board and thus ensure the quality of subsequent screen printing on the circuit board, this application provides a UV machine with excellent cooling effect.

[0006] The UV machine with excellent cooling effect provided in this application adopts the following technical solution:

[0007] A UV cooler with excellent cooling effect includes a frame, a conveying mechanism arranged longitudinally within the frame, and a drive mechanism connected to the conveying mechanism on one side of the frame parallel to the circuit board conveying direction. The drive mechanism drives the conveying mechanism to convey the circuit board. A water cooling mechanism is provided on the frame for water cooling the circuit board during conveying. The water cooling mechanism is connected to a cleaning mechanism for cleaning the water outlet of the water cooling mechanism to improve the water outlet effect.

[0008] By adopting the above technical solution, the drive mechanism drives the conveying mechanism to convey the circuit board located on the rack. At the same time, the water cooling mechanism is activated so that the water cooling mechanism can cool the circuit board being conveyed. Meanwhile, the cleaning mechanism cleans the water outlet of the water cooling mechanism, thereby improving the water outlet effect of the water cooling mechanism. Compared with air cooling, water cooling is more effective, thus ensuring the quality of subsequent screen printing on the circuit board.

[0009] Optionally, the frame includes a cooling box, and the water cooling mechanism is disposed on the cooling box. The water cooling mechanism includes a water collection tank installed on the bottom surface of the cooling box and extending one end outside the cooling box, a first water pump installed on the side of the water collection tank via a first bracket, and a first water outlet pipe fixedly connected to the water outlet end of the first water pump. The water inlet end of the first water pump is fixedly connected to a first water inlet pipe. The end of the first water inlet pipe away from the first water pump is fixedly connected to the bottom side of the water collection tank. The end of the first water outlet pipe away from the first water pump is fixedly connected to two parallel branch pipes. The end of the branch pipe away from the first water outlet pipe extends along one end of the cooling box into the cooling box. The bottom of the outer circumference of the branch pipe is provided with a plurality of equally spaced water outlet holes.

[0010] By adopting the above technical solution, when it is necessary to water cool the circuit board that has been transferred to the cooling box, the first water pump is started. The first water pump draws water from the water collection tank into the cooling box through the first water outlet pipe, and finally sprays it out through the water outlet hole to water cool the circuit board that has been moved into the cooling box.

[0011] Optionally, the water cooling mechanism further includes a second water pump mounted on the bottom surface of the cooling tank via a second bracket, a second water outlet pipe fixedly connected to the outlet end of the second water pump, a second water inlet pipe fixedly connected to the inlet end of the second water pump, a second water inlet pipe fixedly connected to the bottom surface of the cooling tank at one end away from the second water pump, and a second water outlet pipe fixedly connected to the bottom surface of the water collection tank at one end away from the second water pump.

[0012] By adopting the above technical solution, the second water pump is started, and the second water pump draws water from the cooling tank into the water collection tank through the second water inlet pipe, thus realizing the recycling of water.

[0013] Optionally, the cleaning mechanism is disposed on the branch pipe. The cleaning mechanism is used to clean the water outlet to reduce water outlet blockage. The cleaning mechanism includes a mounting frame disposed between the two branch pipes, a driving component connected to the mounting frame for driving the mounting frame to move along the length direction of the branch pipe, a cleaning component disposed on the mounting frame and clamping the branch pipe at the cleaning end, and a locking component disposed on the mounting frame for locking the cleaning component.

[0014] By adopting the above technical solution, under the locking action of the locking component, the cleaning end of the cleaning component is clamped on the branch pipe, and the driving component drives the mounting frame to move along the length of the branch pipe, thereby achieving the purpose of cleaning the water outlet on the branch pipe.

[0015] Optionally, a horizontally arranged partition plate is installed inside the mounting frame. The cleaning component includes two connecting strips that pass through the mounting frame through openings along the frame, and two arc-shaped cleaning blocks respectively disposed at both ends of the connecting strips. The partition plate is located between the two connecting strips. The two arc-shaped cleaning blocks, located on the same vertical line, jointly clamp a branch pipe at their respective positions. The inner arc side of each arc-shaped cleaning block is densely covered with bristles that abut against the outer circumference of the branch pipe. Vertically arranged unlocking springs are installed on the top and bottom surfaces of the partition plate. The end of the unlocking spring away from the partition plate is fixedly connected to the side of the connecting strip closest to the partition plate. Two vertically arranged oblong holes are opened on one side of the mounting frame. A locking rod is installed on the side of the connecting strip near the waist-shaped hole. The end of the locking rod away from the connecting strip extends through the waist-shaped hole to the outside of the mounting frame. The locking element is a cross block. Two oppositely arranged unlocking rods are installed on the side of the mounting frame with the waist-shaped hole. Unlocking holes corresponding to the positions of the unlocking rods are opened at both ends of the cross block in the horizontal direction. The cross block is sleeved on the unlocking rod through the unlocking holes. A limit block is fixedly connected to the end of the unlocking rod away from the mounting frame. A return spring is fixedly connected between the limit block and the cross block. Locking holes corresponding to the positions are opened at both ends of the cross block in the vertical direction. The cross block is sleeved on the locking rod through the locking holes.

[0016] By adopting the above technical solution, when the branch pipe needs to be cleaned, the cross block is moved away from the mounting frame, and then the two connecting strips are pressed towards the partition plate, so that the two connecting strips move towards each other. When the locking rod corresponds to the locking hole, the operator releases the cross block. Under the reset action of the reset spring, the cross block moves towards the mounting frame until the locking rod is inserted into the locking hole. At this time, the two arc-shaped cleaning blocks located on the same vertical line clamp the branch pipe corresponding to the position.

[0017] Optionally, the conveying mechanism includes multiple sets of conveying rollers arranged longitudinally within the frame and rotatably connected to the frame. Each conveying roller set includes an upper conveying roller and a lower conveying roller arranged side by side. Multiple upper abutting rings are installed on the outer circumferential surface of the upper conveying roller, and multiple lower abutting rings are installed on the outer circumferential surface of the lower conveying roller. There is a gap between the upper abutting rings and the lower abutting rings at corresponding positions, allowing the circuit board to pass through. The driving mechanism is connected to the end of the lower conveying roller.

[0018] By adopting the above technical solution, the drive mechanism drives the lower conveyor roller to rotate, so that the circuit board located between the upper abutment ring and the upper abutment ring can be conveyed along the direction of circuit board conveying.

[0019] Optionally, the drive mechanism includes a drive component mounted on the discharge end of the frame and located on one side of the frame, a transmission assembly connected to the output shaft of the drive component, a rotating shaft rotatably connected to the inside of the frame near the drive component and connected to the transmission assembly, a plurality of driving bevel gears fixedly sleeved on the outer circumferential surface of the rotating shaft, and a driven bevel gear fixedly sleeved on the end of each lower transmission roller near the drive component, wherein the driving bevel gear and the driven bevel gear mesh at corresponding positions.

[0020] By adopting the above technical solution, the driving component drives the rotating shaft to rotate through the transmission assembly, so that the active bevel gear meshes with the driven bevel gear, and then the lower transmission roller rotates, so that the circuit board located between the upper abutment ring and the lower abutment ring can be conveyed along the circuit board transmission direction, thereby achieving the purpose of water cooling of the moving circuit board by the branch pipe.

[0021] Optionally, the transmission assembly includes a drive gear fixedly sleeved on the output end of the drive member, a driven gear fixedly sleeved on the end of the rotating shaft near the drive member, and a chain disposed between the drive gear and the driven gear.

[0022] By adopting the above technical solution, the driving component drives the active gear to rotate, and the active gear drives the driven gear to rotate through the chain. In turn, the driven gear drives the rotating shaft to rotate, so that the active bevel gear meshes with the driven bevel gear, and then the lower conveyor roller rotates, so that the circuit board located between the upper abutment ring and the lower abutment ring can be conveyed along the circuit board conveying direction.

[0023] Optionally, a lid is hinged to the upper opening of the cooling box, and a handle is installed on the top surface of the lid at the end away from the hinge.

[0024] By adopting the above technical solution, the handle design makes it easy for staff to open the cooling box through the lid, thereby facilitating the observation of the internal condition of the cooling box.

[0025] Optionally, a support rod is hinged to the bottom surface of the lid, at the end of the lid furthest from the hinge.

[0026] By adopting the above technical solution, the struts are designed to provide support after the box lid is opened.

[0027] In summary, this application includes at least one of the following beneficial technical effects:

[0028] 1. The drive mechanism drives the conveyor mechanism to transport the circuit board located on the rack. At the same time, the water cooling mechanism is activated so that the water cooling mechanism can cool the circuit board in the conveyor. Meanwhile, the cleaning mechanism cleans the water outlet of the water cooling mechanism, so that the water outlet of the water cooling mechanism has a better water output effect. Compared with air cooling, water cooling has a better effect, thus ensuring the quality of subsequent screen printing on the circuit board.

[0029] 2. When it is necessary to water cool the circuit board that has been transferred to the cooling box, start the first water pump. The first water pump draws water from the water collection tank into the cooling box through the first water outlet pipe, and finally sprays it out through the water outlet hole to water cool the circuit board that has been moved into the cooling box. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the overall structure of this application.

[0031] Figure 2 This is a structural diagram from another perspective of the overall application.

[0032] Figure 3 yes Figure 2 A magnified view of part A in the diagram.

[0033] Figure 4 This is a schematic diagram of the water cooling mechanism of this application.

[0034] Figure 5 This is a structural diagram of the cleaning facility described in this application.

[0035] Explanation of reference numerals in the attached drawings: 1. Frame; 11. Feed seat; 12. Cooling tank; 121. Tank cover; 122. Handle; 123. Support rod; 13. Discharge seat; 2. Water cooling mechanism; 21. Water collection tank; 22. First water outlet pipe; 221. Branch pipe; 23. First water pump; 24. Second water pump; 25. Second water outlet pipe; 26. First water inlet pipe; 27. Second water inlet pipe; 28. First support; 29. ​​Second support; 3. Conveying mechanism; 31. Conveying roller group; 311. Upper conveying roller; 312. Lower conveying roller; 4. Drive mechanism; 41. Drive component; 42. Conveying assembly; 42 1. Driven gear; 422. Driven gear; 423. Chain; 43. Shaft; 44. Driven bevel gear; 45. Driven bevel gear; 5. Cleaning mechanism; 51. Mounting frame; 511. Divider plate; 512. Unlocking spring; 513. Waist-shaped hole; 514. Unlocking rod; 5141. Limit block; 515. Return spring; 52. Drive assembly; 521. Power component; 522. Lead screw; 523. Mounting block; 53. Cleaning component; 531. Connecting strip; 5311. Locking rod; 532. Arc-shaped cleaning block; 54. Locking component; 541. Locking hole; 542. Handle. Detailed Implementation

[0036] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.

[0037] This application discloses a UV machine with excellent cooling effect. (See also...) Figure 1 and Figure 2The UV machine with good cooling effect includes a frame 1 and a water cooling mechanism 2 set on the frame 1. The water cooling mechanism 2 is used to cool the circuit board with water. The water cooling mechanism 2 is connected to a cleaning mechanism 5 for cleaning the water outlet of the water cooling mechanism 2 to improve the water outlet effect. A conveying mechanism 3 is arranged longitudinally inside the frame 1. A drive mechanism 4 is set on the side of the frame 1 parallel to the circuit board conveying direction and connected to the conveying mechanism 3 so that the conveying mechanism 3 can convey the circuit board.

[0038] Reference Figure 2 and Figure 3 The conveying mechanism 3 includes multiple sets of conveying roller groups 31 longitudinally arranged within the frame 1 and rotatably connected to the frame 1. These multiple sets of conveying roller groups 31 are evenly spaced within the frame 1 along the circuit board conveying direction. Each conveying roller group 31 includes an upper conveying roller 311 and a lower conveying roller 312 arranged side-by-side, with the upper conveying roller 311 positioned above the lower conveying roller 312. Multiple upper abutment rings are installed on the outer circumferential surface of the upper conveying roller 311, evenly spaced along its length. Multiple lower abutment rings are installed on the outer circumferential surface of the lower conveying roller 312, also evenly spaced along its length. The corresponding upper and lower abutment rings are located on the same vertical line, and there is a gap between the upper and lower abutment rings on the same vertical line allowing the circuit board to pass through. In this embodiment, preferably, both the upper and lower abutment rings are plastic rings, thereby reducing damage to the circuit board surface.

[0039] Reference Figure 2 and Figure 3 The drive mechanism 4 is connected to the end of the lower conveyor roller 312. The drive mechanism 4 includes a drive member 41 mounted on the discharge end of the frame 1 and located on one side of the frame 1, a conveying assembly 42 connected to the output shaft of the drive member 41, a rotating shaft 43 rotatably connected to the inside of the frame 1 near the drive member 41 and connected to the conveying assembly 42, a plurality of driving bevel gears 45 fixedly sleeved on the outer circumferential surface of the rotating shaft 43, and a driven bevel gear 44 fixedly sleeved on the end of each lower conveyor roller 312 near the drive member 41, with the corresponding driving bevel gears 45 and driven bevel gears 44 meshing. The length direction of the rotating shaft 43 is perpendicular to the length direction of the lower conveyor roller 312. In this embodiment, the drive member 41 is a motor.

[0040] Reference Figure 2 and Figure 3The conveying assembly 42 includes a drive gear 421 fixedly sleeved on the output end of the motor, a driven gear 422 fixedly sleeved on the end of the rotating shaft 43 near the motor, and a chain 423 disposed between the drive gear 421 and the driven gear 422. The chain 423 meshes with the drive gear 421 and the driven gear 422. Thus, the motor drives the drive gear 421 to rotate, and the drive gear 421 drives the driven gear 422 to rotate via the chain 423. Since the driven gear 422 is fixedly sleeved on the rotating shaft 43, the rotating shaft 43 rotates. The rotation of the rotating shaft 43 drives the drive bevel gear 45 to rotate. Under the meshing action of the drive bevel gear 45 and the driven bevel gear 44, the lower conveying roller 312 rotates, thereby allowing the circuit board abutting between the upper abutment ring and the lower abutment ring to be conveyed along the circuit board conveying direction.

[0041] Reference Figure 1 and Figure 4 The frame 1 includes a feed seat 11, a cooling box 12 and a discharge seat 13 arranged sequentially along the circuit board conveying direction. The opposite sides of the cooling box 12 are fixedly connected to the feed seat 11 and the discharge seat 13 respectively. The cooling box 12 has a feed port on the side near the feed seat 11 and a discharge port on the side near the discharge seat 13. The feed port and the discharge port are located on the same horizontal plane.

[0042] Reference Figure 1 and Figure 4 The water-cooling mechanism 2 is mounted on the cooling box 12, which is a hollow box with an opening at the top. A lid 121 is hinged to the top opening of the cooling box 12 to close it. The hinge point between the lid 121 and the cooling box 12 is near the pivot 43, and a handle 122 is installed on the top surface of the lid 121 at the end away from the hinge. To facilitate support of the lid 121 when it is open, a support rod 123 is hinged to the bottom surface of the lid 121 at the end away from the hinge. The end of the support rod 123 away from the lid abuts against the opening of the box. Furthermore, to facilitate observation of the interior of the cooling box 12 during the closing process, the lid 121 is made of acrylic.

[0043] Reference Figure 1 and Figure 4The water-cooling mechanism 2 includes a water collection tank 21, a first water outlet pipe 22, a first water pump 23, a second water pump 24, and a second water outlet pipe 25. The water collection tank 21 is installed on the bottom surface of the cooling tank 12, and one end of the water collection tank 21 extends outside the cooling tank 12. A first bracket 28 is installed on one side of the water collection tank 21. The first water pump 23 is installed on the first bracket 28. The water inlet end of the first water pump 23 is fixedly connected to a first water inlet pipe 26. The end of the first water inlet pipe 26 away from the first water pump 23 is connected to the water collection tank. One side of the bottom of 21 is fixedly connected, the first water outlet pipe 22 is fixedly connected to the water outlet end of the first water pump 23, and the end of the first water outlet pipe 22 away from the first water pump 23 is fixedly connected to two parallel branch pipes 221. The end of the branch pipe 221 away from the first water outlet pipe 22 extends along one end of the cooling box 12 into the cooling box 12, and the end of the branch pipe 221 away from the first water outlet pipe 22 is sealed. Multiple equally spaced water outlet holes are opened at the bottom of the outer peripheral surface of the branch pipe 221.

[0044] Reference Figure 1 and Figure 4 A second bracket 29 is mounted on the bottom surface of the cooling tank 12. A second water pump 24 is mounted on the second bracket 29. The inlet end of the second water pump 24 is fixedly connected to a second water inlet pipe 27. The end of the second water inlet pipe 27 away from the second water pump 24 is fixedly connected to the bottom surface of the cooling tank 12. A second water outlet pipe 25 is fixedly connected to the outlet end of the second water pump 24. The end of the second water outlet pipe 25 away from the second water pump 24 is fixedly connected to the bottom surface of the water collection tank 21. Valves are installed on both the second water outlet pipe 25 and the first water outlet pipe 22.

[0045] Reference Figure 2 and Figure 5 The cleaning mechanism 5 is installed on the branch pipe 221. The cleaning mechanism 5 includes a mounting frame 51 installed between the two branch pipes 221, a drive assembly 52 connected to the mounting frame 51 for driving the mounting frame 51 to move along the length direction of the branch pipe 221, a cleaning component 53 installed on the mounting frame 51 and clamping the branch pipe 221 at its cleaning end, and a locking component 54 installed on the mounting frame 51 for locking the cleaning component 53.

[0046] Reference Figure 2 and Figure 5 The drive assembly 52 includes a power component 521 mounted on the end face of the cooling box 12, a lead screw 522 disposed inside the cooling box 12 and rotatably connected to the inner walls of both ends of the cooling box 12, and a mounting block 523 mounted on the top surface of the mounting frame 51. The output end of the power component 521 is fixedly connected to the end of the lead screw 522. The length direction of the lead screw 522 is consistent with the length direction of the branch pipe 221, and the lead screw 522 is located above the branch pipe 221. The mounting block 523 is sleeved on the lead screw 522 and threadedly connected to the lead screw 522. In this embodiment, the power component 521 is a servo motor.

[0047] Reference Figure 2 and Figure 5 The mounting frame 51 has two openings facing the two branch pipes 221 respectively. A horizontally arranged partition plate 511 is installed inside the mounting frame 51. The cleaning component 53 includes two parallel connecting strips 531 and arc-shaped cleaning blocks 532 mounted on the connecting strips 531. The two connecting strips 531 pass through the mounting frame 51 along the openings, with the partition plate 511 located between the two connecting strips 531. Each connecting strip 531 has two arc-shaped cleaning blocks 532, which are fixedly connected to opposite ends of the connecting strip 531, and the arc openings of the two arc-shaped cleaning blocks 532 on the same vertical line are opposite each other. The two arc-shaped cleaning blocks 532 on the same vertical line jointly clamp the branch pipe 221 corresponding to their position, and the inner arc side of each arc-shaped cleaning block 532 is densely covered with bristles that abut against the outer circumference of the branch pipe 221.

[0048] Reference Figure 2 and Figure 5 The top and bottom surfaces of the partition plate 511 are each equipped with a vertically arranged unlocking spring 512. The end of the unlocking spring 512 away from the partition plate 511 is fixedly connected to the side of the connecting strip 531 near the partition plate 511. The mounting frame 51 has two vertically arranged waist-shaped holes 513 on the side opposite to the power component 521. The two waist-shaped holes 513 are located above and below the partition plate 511, respectively. Each connecting strip 531 is equipped with a locking rod 5311 on the side near the waist-shaped hole 513. The end of the locking rod 5311 away from the connecting strip 531 extends out of the mounting frame 51 through the waist-shaped hole 513 at the corresponding position.

[0049] Reference Figure 2 and Figure 5 The locking component 54 is a cross block. Two oppositely arranged unlocking rods 514 are installed on one side of the mounting frame 51 with an oblong hole 513. Unlocking holes corresponding to the positions of the unlocking rods 514 are opened at both ends of the cross block in the horizontal direction. The cross block is sleeved on the unlocking rods 514 through the unlocking holes. A limit block 5141 is fixedly connected to the end of the unlocking rod 514 away from the mounting frame 51. A return spring 515 is fixedly connected between the limit block 5141 and the cross block. Locking holes 541 corresponding to the positions are opened at both ends of the cross block in the vertical direction. The cross block is sleeved on the locking rod 5311 through the locking holes 541. A handle 542 is installed in the middle of the side of the cross block away from the mounting frame 51.

[0050] Therefore, when the branch pipe 221 needs to be cleaned, the handle 542 is pulled away from the mounting frame 51. The handle 542 moves the cross block away from the mounting frame 51. At this time, the return spring 515 is in a compressed state with outward tension. Then, the two connecting strips 531 are pressed towards the partition plate 511, causing the two connecting strips 531 to move towards each other. At this time, the unlocking spring 512 is in a compressed state with outward tension. When the locking rod 5311 corresponds to the locking hole 541, the operator releases the handle 542. Under the reset action of the return spring 515, the cross block moves towards the mounting frame 51 until the locking rod 5311 is inserted into the locking hole 541. At this time, the two arc-shaped cleaning blocks 532 located on the same vertical line clamp the branch pipe 221 corresponding to the position.

[0051] The power unit 521 is activated, driving the lead screw 522 to rotate. Since the lead screw 522 is threadedly connected to the mounting block 523, and the cleaning end of the cleaning component 53 clamps and limits the branch pipe 221, the mounting block 523 drives the mounting frame 51 to move along the length of the branch pipe 221. This allows the brush bristles to clean the water outlet holes on the branch pipe 221, reducing the possibility of scale or impurities clogging the outlet holes. When unlocking is required, the operator pulls the handle 542 away from the mounting frame 51, causing the locking rod 5311 to disengage from the locking hole 541. Under the reset action of the unlocking spring 512, the two connecting strips 531 move away from each other, achieving the unlocking purpose.

[0052] The implementation principle of a UV machine with excellent cooling effect according to an embodiment of this application is as follows: The frame 1 is set on the discharge end of the UV machine body. The motor drives the drive gear 421 to rotate, and the drive gear 421 drives the rotating shaft 43 to rotate through the driven gear 422, thereby causing the lower conveyor roller 312 to rotate and convey the circuit board abutting between the upper and lower abutment rings. The first water pump 23 is started, and the first water pump 23 draws water from the water collection tank 21 to the first water outlet pipe 22, so that the water outlets on the two branch pipes 221 spray water onto the surface of the circuit board located in the cooling box 12 to cool it down. The water sprayed from the water outlets is collected in the cooling box 12. At this time, the second water pump 24 is started, and the second water pump 24 draws water from the cooling box 12 back to the water collection tank 21, which is conducive to the circulation of water. The water outlets on the branch pipes 221 are cleaned by the cleaning mechanism 5.

[0053] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A UV machine with good cooling effect, characterized in that: The application relates to a circuit board conveying device, which comprises a rack (1) with a conveying mechanism (3) arranged longitudinally in the rack (1), a driving mechanism (4) arranged on one side of the rack (1) and parallel to the conveying direction of the circuit board, the driving mechanism (4) being used for driving the conveying mechanism (3) to convey the circuit board, and a water cooling mechanism (2) arranged on the rack (1) and used for water cooling the circuit board during conveying, the water cooling mechanism (2) being connected with a cleaning mechanism (5) used for cleaning the water outlet end of the water cooling mechanism (2) to improve the water outlet effect of the water outlet end of the water cooling mechanism (2). The cleaning mechanism (5) is arranged on a branch pipe (221) and used for cleaning the water outlet hole to reduce the blockage of the water outlet hole, the cleaning mechanism (5) comprises a mounting frame (51) arranged between two branch pipes (221), a driving assembly (52) connected with the mounting frame (51) and used for driving the mounting frame (51) to move along the length direction of the branch pipe (221), a cleaning piece (53) arranged on the mounting frame (51) and used for clamping the branch pipe (221) at the cleaning end, and a locking piece (54) arranged on the mounting frame (51) and used for locking the cleaning piece (53). The mounting frame (51) is provided with a horizontal partition plate (511), the cleaning piece (53) comprises two connecting plate strips (531) penetrating through the mounting frame (51) along the opening of the mounting frame (51) and two arc-shaped cleaning blocks (532) arranged on the two ends of the connecting plate strips (531) respectively, the partition plate (511) is located between the two connecting plate strips (531), the two arc-shaped cleaning blocks (532) located on the same vertical line jointly clamp the corresponding branch pipe (221), the inner arc side of each arc-shaped cleaning block (532) is densely provided with brush hairs abutting against the outer peripheral surface of the branch pipe (221), the top surface and the bottom surface of the partition plate (511) are provided with vertically arranged unlocking springs (512), one end of the unlocking spring (512) away from the partition plate (511) is fixedly connected with the side of the connecting plate strip (531) close to the partition plate (511), one side of the mounting frame (51) is provided with two vertically arranged waist-shaped holes (513), the side of each connecting plate strip (531) close to the waist-shaped hole (513) is provided with a locking rod (5311), one end of the locking rod (5311) away from the connecting plate strip (531) extends to the outside of the mounting frame (51) through the corresponding waist-shaped hole (513), the locking piece (54) is a cross block, the side of the mounting frame (51) provided with the waist-shaped hole (513) is provided with two oppositely arranged unlocking rods (514), the two ends of the cross block in the transverse direction are provided with unlocking holes corresponding to the unlocking rods (514), and the cross block is sleeved on the unlocking rods (514) through the unlocking holes.

2. The UV machine with good cooling effect according to claim 1, characterized in that: The rack (1) comprises a cooling box (12), the water cooling mechanism (2) is arranged on the cooling box (12), the water cooling mechanism (2) comprises a water collecting box (21) arranged on the bottom surface of the cooling box (12) and extending to the outside of the cooling box (12) at one end, a first water pump (23) arranged on the side surface of the water collecting box (21) through a first support (28) and a first water outlet pipe (22) fixedly communicated with the water outlet end of the first water pump (23), the water inlet end of the first water pump (23) is fixedly communicated with a first water inlet pipe (26), one end of the first water inlet pipe (26) away from the first water pump (23) is fixedly communicated with the bottom of one side of the water collecting box (21), and the one end of the first water outlet pipe (22) away from the first water pump (23) is fixedly communicated with two branch pipes (221) arranged in parallel.

3. The UV machine with good cooling effect according to claim 2, characterized in that: The water cooling mechanism (2) further comprises a second water pump (24) arranged on the bottom surface of the cooling box (12) through a second support (29), a second water outlet pipe (25) fixedly communicated with the water outlet end of the second water pump (24), and a second water inlet pipe (27) fixedly communicated with the water inlet end of the second water pump (24), one end of the second water inlet pipe (27) away from the second water pump (24) is fixedly communicated with the bottom surface of the cooling box (12), and the one end of the second water outlet pipe (25) away from the second water pump (24) is fixedly communicated with the bottom surface of the water collecting box (21).

4. The UV machine with good cooling effect according to claim 1, characterized in that: The unlocking rod (514) is fixedly connected with a limiting block (5141) at one end away from the mounting frame (51), a return spring (515) is fixedly connected between the limiting block (5141) and the cross block, the vertical two ends of the cross block are provided with locking holes (541) corresponding in position, and the cross block is sleeved on the locking rod (5311) through the locking holes (541).

5. The UV machine with good cooling effect according to claim 1, characterized in that: The conveying mechanism (3) comprises a plurality of groups of conveying roller groups (31) arranged longitudinally in the rack (1) and rotationally connected with the rack (1), each conveying roller group (31) comprises an upper conveying roller (311) and a lower conveying roller (312) arranged side by side, a plurality of upper abutting rings are arranged on the outer periphery of the upper conveying roller (311), a plurality of lower abutting rings are arranged on the outer periphery of the lower conveying roller (312), there is a gap between the position corresponding upper abutting ring and lower abutting ring, and the driving mechanism (4) is connected with the end of the lower conveying roller (312).

6. The UV machine with good cooling effect according to claim 5, characterized in that: The driving mechanism (4) comprises a driving part (41) mounted on the discharge end of the frame (1) and located on one side of the frame (1), a transmission assembly (42) connected with the output shaft of the driving part (41), a rotating shaft (43) rotatably connected to the inside of the frame (1) near the side of the driving part (41) and connected with the transmission assembly (42), a plurality of driving bevel gears (45) fixedly sleeved on the outer circumferential surface of the rotating shaft (43), and a driven bevel gear (44) fixedly sleeved on each lower conveying roller (312) near the end of the driving part (41), and the corresponding driving bevel gear (45) and driven bevel gear (44) are engaged.

7. The UV machine with good cooling effect according to claim 6, characterized in that: The transmission assembly (42) comprises a driving gear (421) fixedly sleeved on the output end of the driving part, a driven gear (422) fixedly sleeved on the end of the rotating shaft (43) near the driving part, and a chain (423) arranged between the driving gear (421) and the driven gear (422).

8. The UV machine with good cooling effect according to claim 2, characterized in that: A box cover (121) is hinged to the upper opening of the cooling box (12), a handle (122) is mounted on the top surface of the box cover (121) and located at the end of the box cover (121) away from the hinged part.

9. The UV machine with good cooling effect according to claim 8, characterized in that: A supporting rod (123) is hinged to the bottom surface of the box cover (121) and located at the end of the box cover (121) away from the hinged part.

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