CN210253444U - Cleaning machine of storage box for circuit board - Google Patents
Cleaning machine of storage box for circuit board Download PDFInfo
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- CN210253444U CN210253444U CN201920289957.0U CN201920289957U CN210253444U CN 210253444 U CN210253444 U CN 210253444U CN 201920289957 U CN201920289957 U CN 201920289957U CN 210253444 U CN210253444 U CN 210253444U
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Abstract
A cleaning machine of a storage box for a circuit board, comprising: the cleaning machine comprises a cleaning machine outer shell, a lattice-shaped conveying workbench with gaps, a lattice induction door, a dust collection box, a liquid nitrogen storage tank, a liquid nitrogen spray gun, an air storage tank connected with compressed air equipment, an ion fan and a dust extraction pipe barrel; liquid nitrogen dust removal of the first cleaning station, air blowing dust removal of the second cleaning station and ion gas static removal of the third cleaning station are realized; the cleaning machine equipment of bin simple structure, the cleaning efficiency is high, the cycle is short, realizes using promptly abluent online mode of operation promptly, need not to prepare a large amount of reserve bins, improves the utilization ratio of bin.
Description
Technical Field
The utility model relates to a cleaning equipment field of circuit board bin specifically is a cleaning machine of bin for circuit board.
Background
After the circuit boards are wholly or partially detected or assembled, the circuit boards are usually required to be temporarily stored in a storage box and flow into the next process or be packaged and sold, although most circuit board production plants are basically clean rooms, dust is often deposited on laminates or dead corners of the storage box due to the fact that the storage box is used for a long time or is in contact with a non-clean room environment in the transportation process, and the storage box is required to be cleaned in order to prevent the dust from polluting the circuit boards; furthermore, in order to distinguish the circuit boards with different specifications and different assembly states or the qualified and unqualified circuit boards in the storage box, the corresponding storage box is usually labeled with a label for identification, and since the storage box is ready for the next batch of circuit boards with different assembly states or different specifications for storage, the label corresponding to the content of the previous batch of circuit boards needs to be removed for subsequent use. General procedure is fairly simple and scattered distribution to the bin for circuit board among the prior art washing, the cleaning performance is poor, the cleaning cycle is longer, secondly the bin of many producers is for concentrating the cleaning mode, this kind of mode can't wash the bin that has produced dirt on the one hand, on the other hand needs prepare more reserve bin in order to compensate and has had the bin can't in time obtain abluent vacancy, too much bin not only improves the warehousing and transportation cost of circuit board, can occupy great parking space simultaneously.
Disclosure of Invention
The utility model provides a novel cleaning machine equipment of bin for circuit board solves above-mentioned one or more technical problem.
A cleaning machine of a storage box for a circuit board, comprising: the cleaning machine comprises a cleaning machine outer shell 1, a lattice-shaped conveying workbench 2 with gaps, a lattice induction door 3 (mainly capable of inducing a storage tank, which is the prior art), a dust collection box 4, a liquid nitrogen storage tank 5, a liquid nitrogen spray gun 6, an air storage tank 7 connected with compressed air equipment, an ion fan 8 and a dust extraction pipe barrel 9; the width direction of the inner cavity of the cleaning machine outer shell 1 is separated into two built-in spaces, namely an open type equipment placing space 11 and a closed type cleaning space 12 through partition plates, the length direction of the cleaning space 12 is separated into two closed cleaning spaces surrounded by partition plates through a first lattice induction door 31, a second lattice induction door 32 and a third lattice induction door 33, the first lattice induction door 31 is arranged in a lattice induction door mounting hole in a partition plate at a first end of the length of the cleaning machine outer shell 1, the third lattice induction door 33 is arranged in a lattice induction door mounting hole in a partition plate at a second end of the length of the cleaning machine outer shell 1, the second lattice induction door 32 is arranged in a lattice induction door mounting hole in a partition plate between the first lattice induction door 31 and the third lattice induction door 33 in the cleaning machine outer shell 1, the space surrounded by the first lattice induction door 31 and the second lattice induction door 32 is called as a first cleaning space 121, the cleaning space between the second lattice induction door 32 and the third lattice induction door 33 is called as a second cleaning space 122, the conveying workbench 2 penetrates through two ends of the length of the cleaning space 12 in the built-in space, and the conveying workbench 2 in the adjacent cleaning spaces penetrates through the lattice induction door mounting holes on the partition boards of the adjacent cleaning spaces to complete the conveying of the storage box between the adjacent cleaning spaces;
the first cleaning space 121 is a liquid nitrogen dust cleaning station, a dust collection box 4, a liquid nitrogen storage tank 5 and a liquid nitrogen spray gun 6 are placed in a rear equipment placing space 11 corresponding to the first cleaning space 121, a first dust pumping pipe 91 penetrates through an upper cover body of the cleaning machine outer shell 1, one end of the pipe is communicated with the first cleaning space 121, the other end of the pipe is communicated with the dust collection box 4, the first dust pumping pipe 91 is connected with an exhaust fan (not shown in the figure), a liquid inlet end of the liquid nitrogen spray gun 6 is connected with the liquid nitrogen storage tank 5, a liquid outlet end of the liquid nitrogen spray gun 6 penetrates through a partition plate to enter the first cleaning space 121, a pipeline for installing an exhaust fan (not shown in the figure) is arranged right below the conveying workbench 2 in the first cleaning space 121, and the pipeline is connected with a water tank (not shown in;
the second cleaning space 122 comprises an air gun (not shown in the figure) for the second cleaning process, an air storage tank 7 is installed in the equipment placing space 11 behind the space occupied by the second cleaning process, one end of the air gun is connected with the air storage tank 7, and the other end of the air gun penetrates through a partition plate to enter the second cleaning space 122 to blow and clean the storage tank in the second cleaning space 122; the second cleaning space 122 also comprises an ion fan 8 and an ion wind spraying pipeline which are used for a third cleaning process, one end of the ion wind spraying pipeline is connected with the ion fan 8, and the other end of the ion wind spraying pipeline penetrates through the partition plate to enter the third cleaning process space of the second cleaning space 122;
the lattice induction doors 3 are arranged in the lattice induction door mounting holes in the partition plate in a lifting manner, and each lattice induction door is provided with a photoelectric sensor connected with the PLC; the outlet ends of the liquid nitrogen storage tank 5, the liquid nitrogen spray gun 6, the gas storage tank 7 and the ion fan 8 are all provided with valves controlled by a PLC controller; the conveying workbench 2 drives a chain to circularly transmit through a motor, and the working states of the exhaust fan and the air extractor are controlled by a PLC controller.
The cleaning machine of the storage box for the circuit board comprises three cleaning processes, the storage box is conveyed in the conveying workbench 2, the photoelectric sensor senses the storage box and then transmits signals to the PLC, the PLC controls the first lattice induction door 31 to ascend, and controls the first lattice induction door to descend after the storage box enters, the PLC controls the liquid nitrogen valve to be opened, controls the spraying head part of the liquid nitrogen spray gun 6 to rotate in an allowable space and spray liquid nitrogen to the storage box for dust removal treatment and simultaneously cleans labels adhered to the surface, and the dusty particles falling in the first cleaning space 121 enter the dust collection box 4 through the first dust extraction pipe barrel 91 on one hand and are sucked into a water tank below through the exhaust fan on the other hand; with the real-time conveying of the conveying workbench 2, the storage tank enters the second cleaning space 122, the PLC opens a valve at the outlet end of the gas storage tank 7 to clean the storage tank through a gas gun, most of accumulated dust is removed through a cleaning process of liquid nitrogen in the first cleaning space 121, and the accumulated dust cleaning operation can be completed under the cleaning of a fan of the second cleaning process in the second cleaning space 122 by the remaining small amount of accumulated dust; conveying workstation 2 continues to convey the bin to next cleaning process, and the ion destatics process promptly, sprays through carrying out the ion to the bin and clears away the static in the bin, avoids the static damage circuit board that has in the bin.
This cleaning machine simple structure, the process of washing successively of equipment sets up rationally, and realizes the automation of bin cleaning process, replaces artifically for the washing cycle so that make the bin drop into the use of follow-up circuit board as early as possible.
Preferably, the spray head of the liquid nitrogen spray gun 6 of the cleaning machine for the storage box for the circuit board is a spray gun head rotating in a sphere shape with an angle of 120-220 degrees, so that dust and labels in various angular directions of the storage box can be guaranteed to be flushed by liquid nitrogen. The liquid nitrogen spray gun 6 can be realized by adopting equipment with a rotatable spray head in the prior art, such as a relatively mature cleaning robot, a cleaning spray gun and the like in the market nowadays.
Preferably, a second dust exhaust pipe 92 is additionally arranged in the cleaning machine of the storage box for the circuit board, the second dust exhaust pipe 92 is positioned above the second cleaning space 122, one end of the second dust exhaust pipe 92 is connected with the dust collection box 4, and the other end of the second dust exhaust pipe 92 passes through the upper cover body of the cleaning machine outer shell 1 and enters the second cleaning process position in the second cleaning space 122.
Most of the accumulated dust is removed from the storage box after the first cleaning process, and the compressed air can remove the rest of the accumulated dust and suck the residual accumulated dust into the dust collection box 4 in the second cleaning process, so that secondary pollution to the storage box caused by a small amount of the accumulated dust scattered in the second cleaning space 122 is avoided.
Preferably, in the cleaning machine of the storage box for the circuit board, a pipeline provided with an exhaust fan is arranged under the conveying workbench 2 corresponding to the second cleaning process in the second cleaning space 122, and the pipeline is connected with the water tank.
Preferably, the front end and the rear end of the cleaning machine outer shell 1 are respectively provided with an inlet end conveying roller 101 and an outlet end conveying roller 102, the conveying height of the inlet end conveying roller 101 exceeds the conveying height of the conveying workbench 2 by 0-2 cm, and the conveying height of the outlet end conveying roller 102 is lower than the conveying height of the conveying workbench 2 by 0-2 cm; the inlet-end conveying rollers 101 are connected to the outlet end of the conveying table for placing the circuit boards in the storage box, and the outlet-end conveying rollers 102 are connected to the inlet end of the conveying table for placing the circuit boards in the storage box; the entrance-side conveying rollers 101 and the exit-side conveying rollers 102 are at the same conveying speed as the conveying table 2.
Above-mentioned setting can further improve the abluent degree of automation of bin, makes the bin realize online washing, improves the cleaning frequency of bin, guarantees the circuit board and places the security, makes the bin use, wash between form closed cycle formula mode of operation.
Preferably, the cleaning machine of bin for circuit board, in the second wash the space between second washing process and the third washing process utilize the baffle to separate just processing has lattice board mounting hole on the baffle, installs the lattice induction door that receives the PLC controller manipulation in the lattice board mounting hole, and this lattice induction door washs the space 122 with the second and separates for relatively independent space, avoids the laying dust that the second washing process produced to get into the ionic wind that destatics, further improves the cleaning performance.
Preferably, the cleaning machine of storage box for circuit board, ion wind shower pipe comprise a plurality of rectangle frame hollow pipeline 81, and transfer table 2 passes the centre bore 811 of rectangle frame hollow pipeline 81, and the pipeline of one side that is close to ion fan 8 in the rectangle frame hollow pipeline 81 is equipped with inlet duct 812, and inlet duct 812 is connected with ion fan 8's exit end, and wherein 5 ~ 8 ventholes 813 of equidistance are processed on the inside wall of rectangle frame hollow pipeline 81 orientation transfer table 2. The ion air flow is discharged through the air outlet holes 813 and sprayed to the storage box on the conveying workbench 2, the ion wind sprayed in the rectangular frame hollow pipeline 81 surrounds the upper, lower, left and right surfaces of the storage box, and the storage box can thoroughly remove static electricity when passing through a tunnel type ion wind space.
Preferably, in the cleaning machine for the storage box for the circuit board, the inclination angles of the plurality of rectangular frame hollow pipelines 81 and the vertical plane are different and are all between 0 and 60 degrees. The inclination angles of the rectangular frame hollow pipelines 81 are different, spraying can be performed from a plurality of angles of the storage box, the static electricity removing efficiency is high, the amount of the required rectangular frame hollow pipelines is small, and the space of the cleaning machine is saved.
Description of the drawings:
the embodiments are further described with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural view of a cleaning machine for a storage box for a circuit board according to the present invention;
fig. 2 is a schematic view of the internal structure of the cleaning machine of the storage box for circuit board according to the present invention;
fig. 3 is a schematic structural view of a rectangular frame hollow pipeline in the cleaning machine for the storage box for the circuit board according to the present invention;
the specific structure corresponding to the number is as follows:
a cleaning machine outer shell 1, an equipment placing space 11, a cleaning space 12, a first cleaning space 121, a second cleaning space 122, a conveying workbench 2, a lattice induction door 3, a first lattice induction door 31, a second lattice induction door 32, a third lattice induction door 33, a dust collection box 4, a liquid nitrogen storage tank 5, a liquid nitrogen spray gun 6, a gas storage tank 7, an ion fan 8, a rectangular frame hollow pipeline 81, a central hole 811, an air inlet pipeline 812, a gas outlet hole 813, a dust pumping pipe barrel 9, a first dust pumping pipe barrel 91, a second dust pumping pipe barrel 92, an inlet end conveying roller 101, an outlet end conveying roller 102,
the following detailed description of the invention will be further described in conjunction with the above-identified drawings.
Detailed Description
Specific embodiment example 1:
a cleaning machine of a storage box for a circuit board, comprising: the cleaning machine comprises a cleaning machine outer shell 1, a lattice-shaped conveying workbench 2 with gaps, a lattice induction door 3 (mainly capable of inducing a storage tank, which is the prior art), a dust collection box 4, a liquid nitrogen storage tank 5, a liquid nitrogen spray gun 6, an air storage tank 7 connected with compressed air equipment, an ion fan 8 and a dust extraction pipe barrel 9; the width direction of the inner cavity of the cleaning machine outer shell 1 is separated into two built-in spaces, namely an open type equipment placing space 11 and a closed type cleaning space 12 through partition plates, the length direction of the cleaning space 12 is separated into two closed cleaning spaces surrounded by partition plates through a first lattice induction door 31, a second lattice induction door 32 and a third lattice induction door 33, the first lattice induction door 31 is arranged in a lattice induction door mounting hole in a partition plate at a first end of the length of the cleaning machine outer shell 1, the third lattice induction door 33 is arranged in a lattice induction door mounting hole in a partition plate at a second end of the length of the cleaning machine outer shell 1, the second lattice induction door 32 is arranged in a lattice induction door mounting hole in a partition plate between the first lattice induction door 31 and the third lattice induction door 33 in the cleaning machine outer shell 1, the space surrounded by the first lattice induction door 31 and the second lattice induction door 32 is called as a first cleaning space 121, the cleaning space between the second lattice induction door 32 and the third lattice induction door 33 is called as a second cleaning space 122, the conveying workbench 2 penetrates through two ends of the length of the cleaning space 12 in the built-in space, and the conveying workbench 2 in the adjacent cleaning spaces penetrates through the lattice induction door mounting holes on the partition boards of the adjacent cleaning spaces to complete the conveying of the storage box between the adjacent cleaning spaces;
the first cleaning space 121 is a liquid nitrogen dust cleaning station, a dust collection box 4, a liquid nitrogen storage tank 5 and a liquid nitrogen spray gun 6 are placed in a rear equipment placing space 11 corresponding to the first cleaning space 121, a first dust pumping pipe 91 penetrates through an upper cover body of the cleaning machine outer shell 1, one end of the pipe is communicated with the first cleaning space 121, the other end of the pipe is communicated with the dust collection box 4, the first dust pumping pipe 91 is connected with an exhaust fan (not shown in the figure), a liquid inlet end of the liquid nitrogen spray gun 6 is connected with the liquid nitrogen storage tank 5, a liquid outlet end of the liquid nitrogen spray gun 6 penetrates through a partition plate to enter the first cleaning space 121, a pipeline for installing an exhaust fan (not shown in the figure) is arranged right below the conveying workbench 2 in the first cleaning space 121, and the pipeline is connected with a water tank (not shown in;
the second cleaning space 122 comprises an air gun (not shown in the figure) for the second cleaning process, an air storage tank 7 is installed in the equipment placing space 11 behind the space occupied by the second cleaning process, one end of the air gun is connected with the air storage tank 7, and the other end of the air gun penetrates through a partition plate to enter the second cleaning space 122 to blow and clean the storage tank in the second cleaning space 122; the second cleaning space 122 also comprises an ion fan 8 and an ion wind spraying pipeline which are used for a third cleaning process, one end of the ion wind spraying pipeline is connected with the ion fan 8, and the other end of the ion wind spraying pipeline penetrates through the partition plate to enter the third cleaning process space of the second cleaning space 122;
the lattice induction doors 3 are arranged in the lattice induction door mounting holes in the partition plate in a lifting manner, and each lattice induction door is provided with a photoelectric sensor connected with the PLC; the outlet ends of the liquid nitrogen storage tank 5, the liquid nitrogen spray gun 6, the gas storage tank 7 and the ion fan 8 are all provided with valves controlled by a PLC controller; the conveying workbench 2 drives a chain to circularly transmit through a motor, and the working states of the exhaust fan and the air extractor are controlled by a PLC controller.
The spraying head of the liquid nitrogen spraying gun 6 is a spraying gun head which rotates in a 120-degree spherical manner, so that dust and labels in various angular directions of the storage box can be guaranteed to be flushed by liquid nitrogen, a second dust pumping pipe 92 is additionally arranged, and the second dust pumping pipe 92 is located above the second cleaning space 122.
Optionally, one end of the second dust exhaust pipe 92 is connected to the dust box 4, and the other end of the second dust exhaust pipe passes through the upper cover of the cleaner housing 1 and enters the second cleaning position in the second cleaning space 122, and a pipe provided with an exhaust fan is arranged right below the conveying workbench 2 corresponding to the second cleaning in the second cleaning space 122 and connected to the water tank.
Further, the front end and the rear end of the cleaning machine outer shell 1 are respectively provided with an inlet end conveying roller 101 and an outlet end conveying roller 102, the conveying height of the inlet end conveying roller 101 exceeds the conveying height of the conveying workbench 2, and the conveying height of the outlet end conveying roller 102 is lower than the conveying height of the conveying workbench 2; the inlet-end conveying rollers 101 are connected to the outlet end of the conveying table for placing the circuit boards in the storage box, and the outlet-end conveying rollers 102 are connected to the inlet end of the conveying table for placing the circuit boards in the storage box; the entrance-side conveying rollers 101 and the exit-side conveying rollers 102 are at the same conveying speed as the conveying table 2.
Furthermore, the second cleaning process and the third cleaning process in the second cleaning space are separated by a partition plate, lattice plate mounting holes are machined in the partition plate, lattice induction doors controlled by a PLC are mounted in the lattice plate mounting holes, the second cleaning space 122 is separated into relatively independent spaces by the lattice induction doors, dust generated in the second cleaning process is prevented from entering into static-removing ion wind, and the cleaning effect is further improved.
Further, ion wind spray pipe comprises a plurality of rectangle framework hollow pipeline 81, and conveying table 2 passes rectangle framework hollow pipeline 81's centre bore 811, and the pipeline that is close to one side of ion fan 8 in the rectangle framework hollow pipeline 81 is equipped with inlet duct 812, and inlet duct 812 is connected with ion fan 8's exit end, and wherein 5 ~ 8 ventholes 813 of equidistance are processed on the inside wall of rectangle framework hollow pipeline 81 orientation conveying table 2. The ion air flow is discharged through the air outlet holes 813 and sprayed to the storage box on the conveying workbench 2, the ion wind sprayed in the rectangular frame hollow pipeline 81 surrounds the upper, lower, left and right surfaces of the storage box, and the storage box can thoroughly remove static electricity when passing through a tunnel type ion wind space. Optionally, the inclination angles of the rectangular frame hollow pipes 81 and the vertical plane are different and all between 40 ° and 55 °. The inclination angles of the rectangular frame hollow pipelines 81 are different, spraying can be performed from a plurality of angles of the storage box, the static electricity removing efficiency is high, the amount of the required rectangular frame hollow pipelines is small, and the space of the cleaning machine is saved.
The cleaning machine of the storage box for the circuit board, which is provided in the specific embodiment, has the advantages of simple structure, high cleaning efficiency and short period, realizes the online working mode of cleaning immediately after use, does not need to prepare a large number of standby storage boxes, and improves the utilization rate of the storage boxes.
Specific embodiment example 2:
a cleaning machine of a storage box for a circuit board, comprising: the cleaning machine comprises a cleaning machine outer shell 1, a lattice-shaped conveying workbench 2 with gaps, a lattice induction door 3 (mainly capable of inducing a storage tank, which is the prior art), a dust collection box 4, a liquid nitrogen storage tank 5, a liquid nitrogen spray gun 6, an air storage tank 7 connected with compressed air equipment, an ion fan 8 and a dust extraction pipe barrel 9; the width direction of the inner cavity of the cleaning machine outer shell 1 is separated into two built-in spaces, namely an open type equipment placing space 11 and a closed type cleaning space 12 through partition plates, the length direction of the cleaning space 12 is separated into two closed cleaning spaces surrounded by partition plates through a first lattice induction door 31, a second lattice induction door 32 and a third lattice induction door 33, the first lattice induction door 31 is arranged in a lattice induction door mounting hole in a partition plate at a first end of the length of the cleaning machine outer shell 1, the third lattice induction door 33 is arranged in a lattice induction door mounting hole in a partition plate at a second end of the length of the cleaning machine outer shell 1, the second lattice induction door 32 is arranged in a lattice induction door mounting hole in a partition plate between the first lattice induction door 31 and the third lattice induction door 33 in the cleaning machine outer shell 1, the space surrounded by the first lattice induction door 31 and the second lattice induction door 32 is called as a first cleaning space 121, the cleaning space between the second lattice induction door 32 and the third lattice induction door 33 is called as a second cleaning space 122, the conveying workbench 2 penetrates through two ends of the length of the cleaning space 12 in the built-in space, and the conveying workbench 2 in the adjacent cleaning spaces penetrates through the lattice induction door mounting holes on the partition boards of the adjacent cleaning spaces to complete the conveying of the storage box between the adjacent cleaning spaces;
the first cleaning space 121 is a liquid nitrogen dust cleaning station, a dust collection box 4, a liquid nitrogen storage tank 5 and a liquid nitrogen spray gun 6 are placed in a rear equipment placing space 11 corresponding to the first cleaning space 121, a first dust pumping pipe 91 penetrates through an upper cover body of the cleaning machine outer shell 1, one end of the pipe is communicated with the first cleaning space 121, the other end of the pipe is communicated with the dust collection box 4, the first dust pumping pipe 91 is connected with an exhaust fan (not shown in the figure), a liquid inlet end of the liquid nitrogen spray gun 6 is connected with the liquid nitrogen storage tank 5, a liquid outlet end of the liquid nitrogen spray gun 6 penetrates through a partition plate to enter the first cleaning space 121, a pipeline for installing an exhaust fan (not shown in the figure) is arranged right below the conveying workbench 2 in the first cleaning space 121, and the pipeline is connected with a water tank (not shown in;
the second cleaning space 122 comprises an air gun (not shown in the figure) for the second cleaning process, an air storage tank 7 is installed in the equipment placing space 11 behind the space occupied by the second cleaning process, one end of the air gun is connected with the air storage tank 7, and the other end of the air gun penetrates through a partition plate to enter the second cleaning space 122 to blow and clean the storage tank in the second cleaning space 122; the second cleaning space 122 also comprises an ion fan 8 and an ion wind spraying pipeline which are used for a third cleaning process, one end of the ion wind spraying pipeline is connected with the ion fan 8, and the other end of the ion wind spraying pipeline penetrates through the partition plate to enter the third cleaning process space of the second cleaning space 122;
the lattice induction doors 3 are arranged in the lattice induction door mounting holes in the partition plate in a lifting manner, and each lattice induction door is provided with a photoelectric sensor connected with the PLC; the outlet ends of the liquid nitrogen storage tank 5, the liquid nitrogen spray gun 6, the gas storage tank 7 and the ion fan 8 are all provided with valves controlled by a PLC controller; the conveying workbench 2 drives a chain to circularly transmit through a motor, and the working states of the exhaust fan and the air extractor are controlled by a PLC controller.
The spraying head of the liquid nitrogen spraying gun 6 is a spraying gun head which rotates in a 200-degree spherical manner, so that dust and labels in various angular directions of the storage box can be guaranteed to be flushed by liquid nitrogen, a second dust pumping pipe 92 is additionally arranged, and the second dust pumping pipe 92 is located above the second cleaning space 122.
Optionally, one end of the second dust exhaust pipe 92 is connected to the dust box 4, and the other end of the second dust exhaust pipe passes through the upper cover of the cleaner housing 1 and enters the second cleaning position in the second cleaning space 122, and a pipe provided with an exhaust fan is arranged right below the conveying workbench 2 corresponding to the second cleaning in the second cleaning space 122 and connected to the water tank.
Further, the front end and the rear end of the cleaning machine outer shell 1 are respectively provided with an inlet end conveying roller 101 and an outlet end conveying roller 102, the conveying height of the inlet end conveying roller 101 exceeds the conveying height of the conveying workbench 2 by 1.5cm, and the conveying height of the outlet end conveying roller 102 is 1.0cm lower than the conveying height of the conveying workbench 2; the inlet-end conveying rollers 101 are connected to the outlet end of the conveying table for placing the circuit boards in the storage box, and the outlet-end conveying rollers 102 are connected to the inlet end of the conveying table for placing the circuit boards in the storage box; the entrance-side conveying rollers 101 and the exit-side conveying rollers 102 are at the same conveying speed as the conveying table 2.
Furthermore, the second cleaning process and the third cleaning process in the second cleaning space are separated by a partition plate, lattice plate mounting holes are machined in the partition plate, lattice induction doors controlled by a PLC are mounted in the lattice plate mounting holes, the second cleaning space 122 is separated into relatively independent spaces by the lattice induction doors, dust generated in the second cleaning process is prevented from entering into static-removing ion wind, and the cleaning effect is further improved.
Further, ion wind spray pipe comprises a plurality of rectangle framework hollow pipeline 81, and conveying table 2 passes rectangle framework hollow pipeline 81's centre bore 811, and the pipeline that is close to one side of ion fan 8 in the rectangle framework hollow pipeline 81 is equipped with inlet duct 812, and inlet duct 812 is connected with ion fan 8's exit end, and wherein 5 ~ 8 ventholes 813 of equidistance are processed on the inside wall of rectangle framework hollow pipeline 81 orientation conveying table 2. The ion air flow is discharged through the air outlet holes 813 and sprayed to the storage box on the conveying workbench 2, the ion wind sprayed in the rectangular frame hollow pipeline 81 surrounds the upper, lower, left and right surfaces of the storage box, and the storage box can thoroughly remove static electricity when passing through a tunnel type ion wind space. Optionally, the inclination angles of the rectangular frame hollow pipes 81 and the vertical plane are different and all between 0 ° and 30 ° or are all the same and parallel to the vertical plane. The inclination angles of the rectangular frame hollow pipelines 81 are different, spraying can be performed from a plurality of angles of the storage box, the static electricity removing efficiency is high, the amount of the required rectangular frame hollow pipelines is small, and the space of the cleaning machine is saved.
The cleaning machine of the storage box for the circuit board, which is provided in the specific embodiment, has the advantages of simple structure, high cleaning efficiency and short period, realizes the online working mode of cleaning immediately after use, does not need to prepare a large number of standby storage boxes, and improves the utilization rate of the storage boxes.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. A cleaning machine of a storage box for a circuit board, comprising: the cleaning machine comprises a cleaning machine outer shell, a lattice-shaped conveying workbench with gaps, a lattice induction door, a dust collection box, a liquid nitrogen storage tank, a liquid nitrogen spray gun, an air storage tank connected with compressed air equipment, an ion fan and a dust extraction pipe barrel; the cleaning machine comprises a cleaning machine shell, a first lattice induction door, a second lattice induction door, a third lattice induction door, a fourth lattice induction door, a fourth, The cleaning space between the third lattice induction doors is called as a second cleaning space, the conveying workbench penetrates through two end parts of the length of the cleaning space in the built-in space, and the conveying workbench penetrates through the lattice induction door mounting holes in the partition boards of the adjacent cleaning spaces in the adjacent cleaning spaces to finish the conveying of the storage box between the adjacent cleaning spaces;
the first cleaning space is a liquid nitrogen dust cleaning station, a dust collection box, a liquid nitrogen storage tank and a liquid nitrogen spray gun are placed in a rear equipment placing space corresponding to the first cleaning space, a first dust extraction pipe barrel penetrates through an upper cover body of an outer shell of the cleaning machine, one end of the pipe barrel is communicated with the first cleaning space, the other end of the pipe barrel is communicated with the dust collection box, the first dust extraction pipe barrel is connected with an exhaust fan, a liquid inlet end of the liquid nitrogen spray gun is connected with the liquid nitrogen storage tank, a liquid outlet end of the liquid nitrogen spray gun penetrates through a partition plate to enter the first cleaning space, a pipeline for installing an exhaust fan is arranged under a conveying workbench in the first cleaning space, and the;
the second cleaning space comprises an air gun for a second cleaning process, an air storage tank is arranged in the rear equipment placing space occupied by the second cleaning process, one end of the air gun is connected with the air storage tank, and the other end of the air gun penetrates through the partition plate to enter the second cleaning space to blow and clean the storage tank in the second cleaning space; the second cleaning space also comprises an ion fan and an ion wind spraying pipeline which are used for a third cleaning process, one end of the ion wind spraying pipeline is connected with the ion fan, and the other end of the ion wind spraying pipeline penetrates through the partition plate to enter the third cleaning process space of the second cleaning space; the lattice induction doors are arranged in lattice induction door mounting holes in the partition plate in a lifting manner, and each lattice induction door is provided with a photoelectric sensor connected with the PLC; the outlet ends of the liquid nitrogen storage tank, the liquid nitrogen spray gun, the gas storage tank and the ion fan are all provided with valves controlled by a PLC controller; the conveying workbench drives the chain to circularly drive through the motor, and the working states of the exhaust fan and the air extractor are controlled by the PLC.
2. The cleaning machine for the storage box for circuit boards as claimed in claim 1, wherein the spray head of the liquid nitrogen spray gun (6) is a 120-220 ° spherically rotating spray gun head.
3. The cleaning machine for the storage box of the circuit board as claimed in claim 1, wherein a second dust extraction pipe barrel is added, the second dust extraction pipe barrel is positioned above the second cleaning space, one end of the second dust extraction pipe barrel is connected with the dust collection box, and the other end of the second dust extraction pipe barrel penetrates through the upper cover body of the cleaning machine outer shell to enter the second cleaning process position in the second cleaning space.
4. The cleaning machine for the storage box of the circuit board as claimed in claim 3, wherein a duct provided with an exhaust fan is provided under the transfer table corresponding to the second cleaning process in the second cleaning space, and the duct is connected to the water tank.
5. The cleaning machine for the storage box of circuit board as claimed in claim 1, wherein the front and rear ends of the cleaning machine outer casing are respectively provided with an inlet end transfer roller and an outlet end transfer roller, the transfer height of the inlet end transfer roller exceeds the transfer height of the transfer table by 0-2 cm, and the transfer height of the outlet end transfer roller is lower than the transfer height of the transfer table by 0-2 cm; the inlet end conveying roller is connected with the outlet end of a conveying workbench used for placing the circuit boards in the storage box, and the outlet end conveying roller is connected with the inlet end of the conveying workbench used for placing the circuit boards in the storage box; the conveying speed of the inlet end conveying roller and the outlet end conveying roller is the same as that of the conveying workbench.
6. The cleaning machine for the storage box of the circuit board as claimed in claim 1, wherein the second cleaning process and the third cleaning process are separated by a partition plate in the second cleaning space, and the partition plate is formed with a fence plate mounting hole in which a fence sensing door operated by a PLC controller is installed, the fence sensing door separating the second cleaning space into relatively independent spaces.
7. The cleaning machine for the storage box of the circuit board as claimed in claim 1, wherein the ion wind spraying pipe is composed of a plurality of rectangular frame hollow pipes, the transfer table passes through the center holes of the rectangular frame hollow pipes, an air inlet pipe is provided at one side of the rectangular frame hollow pipes close to the ion blower, the air inlet pipe is connected with the outlet end of the ion blower, wherein 5 to 8 air outlet holes are formed at equal intervals on the inner side wall of the rectangular frame hollow pipes facing the transfer table.
8. The cleaning machine for the storage box of the circuit board as claimed in claim 7, wherein the plurality of rectangular frame hollow pipes have different inclination angles with the vertical plane and are all between 0 ° and 60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920289957.0U CN210253444U (en) | 2019-03-07 | 2019-03-07 | Cleaning machine of storage box for circuit board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920289957.0U CN210253444U (en) | 2019-03-07 | 2019-03-07 | Cleaning machine of storage box for circuit board |
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| CN210253444U true CN210253444U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920289957.0U Expired - Fee Related CN210253444U (en) | 2019-03-07 | 2019-03-07 | Cleaning machine of storage box for circuit board |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111525366A (en) * | 2020-04-23 | 2020-08-11 | 广东硕泰智能装备有限公司 | Electric connector pin system |
| CN111957699A (en) * | 2020-07-29 | 2020-11-20 | 上海汉虹精密机械有限公司 | Automatic workpiece cleaning blow dryer line and cleaning method thereof |
-
2019
- 2019-03-07 CN CN201920289957.0U patent/CN210253444U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111525366A (en) * | 2020-04-23 | 2020-08-11 | 广东硕泰智能装备有限公司 | Electric connector pin system |
| CN111525366B (en) * | 2020-04-23 | 2021-12-21 | 广东硕泰智能装备有限公司 | Electric connector pin system |
| CN111957699A (en) * | 2020-07-29 | 2020-11-20 | 上海汉虹精密机械有限公司 | Automatic workpiece cleaning blow dryer line and cleaning method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200407 Termination date: 20210307 |