CN109168273B - Chemical copper deposition device for PCB double-sided board production - Google Patents
Chemical copper deposition device for PCB double-sided board production Download PDFInfo
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- CN109168273B CN109168273B CN201811135699.7A CN201811135699A CN109168273B CN 109168273 B CN109168273 B CN 109168273B CN 201811135699 A CN201811135699 A CN 201811135699A CN 109168273 B CN109168273 B CN 109168273B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
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Abstract
The invention relates to the technical field of auxiliary devices, in particular to a chemical copper deposition device for PCB double-sided board production, which can reduce the overflow phenomenon of copper deposition liquid medicine and improve the use reliability; the generation of copper particles by side reactions can be reduced, and the utilization rate of copper ions is improved; the circuit board can be conveniently taken and placed; meanwhile, the circuit board can be conveniently stabilized in the work box; comprises a work box; a baffle is arranged in the left half area of the bottom in the working box, and a liquid outlet pipe is communicated with the bottom of the left side wall of the working box; the device also comprises four groups of support columns, a rotating disc, support tubes, a transmission tube, a plurality of groups of support rods, a plurality of groups of pulleys, a transmission gear, a driving gear and a rotating handle, wherein a positioning shaft is arranged at the top of the driving gear, and a positioning wheel is arranged at the top end of the positioning shaft; the device also comprises a transmission shaft, a plurality of groups of front fixing plates, a plurality of groups of rear fixing plates and a plurality of groups of containing baskets; the device further comprises a rotating gear, a fixed shaft, a fixed wheel, a rotating handle, a clamping plate, a limiting plate, a connecting spring and a supporting plate.
Description
Technical Field
The invention relates to the technical field of auxiliary devices, in particular to a chemical copper deposition device for PCB double-sided board production.
Background
As is well known, the electroless copper plating, also known as via metallization, is used for connecting with the wires on both sides, and the electroless copper plating device for the production of the double-sided PCB is an accessory device which utilizes a chemical deposition method to deposit a thin layer of electroless copper on the hole wall of a circuit board after drilling and pretreatment, thereby improving the conductivity of the subsequent electroplating thickened copper and being widely used in the field; the existing chemical copper deposition device for producing the PCB double-sided board comprises a working box, wherein a working cavity is arranged in the working box, a taking and placing opening is formed in the top of the working box, and the taking and placing opening is communicated with the working cavity; when the conventional chemical copper deposition device for producing the PCB double-sided board is used, copper deposition liquid medicine is poured into a working box, a pretreated circuit board which needs chemical copper deposition is placed into the working box for reaction, the thickness of the deposited copper is controlled according to the reaction time, the circuit board is taken out after the copper deposition is finished, and the concentration of each component of the copper deposition liquid medicine is controlled by an automatic feeding system in the whole reaction process; the existing chemical copper deposition device for PCB double-sided board production is found in use, the phenomenon that copper deposition liquid medicine overflows easily occurs, and the use reliability is poor; the copper particles are generated by side reaction in the reaction process, the utilization rate of copper ions is reduced, and the practicability is poor; in addition, the circuit board is inconvenient to take and place in the using process, and the use limitation is high; meanwhile, the circuit board is inconvenient to stabilize in the working box, so that the phenomenon of unstable copper deposition is easy to occur.
Disclosure of Invention
In order to solve the technical problems, the invention provides a copper deposition solution which can reduce the overflow phenomenon of the copper deposition solution and improve the use reliability; the generation of copper particles by side reactions can be reduced, the utilization rate of copper ions is improved, and the practicability is improved; the circuit board can be conveniently taken and placed, and the use limitation is reduced; meanwhile, the circuit board can be conveniently stabilized in the working box, and the chemical copper deposition device for PCB double-sided board production, which improves the copper deposition stability, is provided.
The chemical copper deposition device for the production of the PCB double-sided board comprises a working box, wherein a working cavity is arranged in the working box, a taking and placing opening is formed in the top of the working box, and the taking and placing opening is communicated with the working cavity; a baffle is arranged in the left half area of the bottom in the working box, the front side wall and the rear side wall of the baffle are respectively connected with the front side wall and the inner rear side wall in the working box, and the bottom of the left side wall of the working box is communicated with a liquid outlet pipe; the top ends of the four groups of support columns are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom of the working box, a cavity is arranged in the rotating disc, a plurality of groups of air outlet holes are arranged at the top of the rotating disc, the top ends of the support columns penetrate through the right half area of the bottom of the working box and are communicated with the central area of the bottom of the rotating disc, the contact part of the support columns and the bottom of the working box is mechanically sealed, the output end of the transmission tubes is communicated with the bottom end of the support tubes, the top ends and the bottom ends of the plurality of groups of support columns are respectively connected with the bottom of the circular turntable and the plurality of groups of pulleys, the bottom of the working box is provided with an annular chute, the plurality of groups of pulleys are all positioned in the annular chute, and the central area of the, the transmission gear is sleeved in the lower half area of the outer wall of the supporting tube, the inner wall of the transmission gear is connected with the outer wall of the supporting tube, a positioning shaft is arranged at the top of the driving gear, a positioning wheel is arranged at the top end of the positioning shaft, a positioning groove is arranged in the left half area of the bottom of the working box, the positioning wheel is positioned in the positioning groove, the driving gear is meshed with the transmission gear, and the top end of the rotating handle is arranged in the left half area of the; the front end of the transmission shaft penetrates through the right side wall and the front side wall of the rear side wall of the working box respectively, the central area of the transmission shaft is positioned in the working box, the contact parts of the transmission shaft, the rear side wall and the front side wall of the working box are mechanically sealed, the front end and the rear end of the transmission shaft are respectively provided with a limiting block and a turntable, one ends of the groups of front fixing plates and the groups of rear fixing plates are respectively arranged on the front half area and the rear half area of the outer wall of the transmission shaft, the other ends of the groups of front fixing plates and the groups of rear fixing plates are respectively provided with a plurality of groups of front inserting rods and a plurality of groups of rear inserting rods, the top of the groups of containing baskets are respectively provided with a plurality of groups of containing grooves, the outer walls of the groups of containing baskets are respectively provided with a plurality of groups of liquid inlet holes, the groups of containing baskets are respectively positioned between the groups of front fixing plates and, the multiple groups of front insertion rods and the multiple groups of rear insertion rods are respectively inserted into the multiple groups of front slots and the multiple groups of rear slots; still include rotating gear, fixed axle, tight pulley, rotatory handle, cardboard, limiting plate, coupling spring and backup pad, the fixed axle front end is connected with rotating gear rear side wall central zone, the tight pulley is installed at the fixed axle rear end, the work box rear side wall is provided with the fixed slot, the tight pulley is located the fixed slot, carousel border region is provided with the teeth of a cogwheel corresponding with rotating gear, rotating gear and carousel meshing, the rotatory handle is installed on rotating gear rear side wall, the limiting plate is installed at work box rear side wall left side half region, the cardboard bottom is articulated with limiting plate right side wall bottom, the coupling spring both ends are connected with limiting plate and cardboard respectively, the backup pad is installed at work box rear side wall left side half region to backup pad one end and cardboard contact.
The chemical copper deposition device for the PCB double-sided board production further comprises a plurality of groups of front balls and a plurality of groups of rear balls, a plurality of groups of front arc-shaped grooves and a plurality of groups of rear arc-shaped grooves are formed in the rear side wall of the limiting block and the front side wall of the rotary table respectively, the plurality of groups of front balls and the plurality of groups of rear balls are located in the plurality of groups of front arc-shaped grooves and the plurality of groups of rear arc-shaped grooves respectively, and the plurality of groups of front balls and the plurality of groups of rear balls are in contact with the front side.
The chemical copper deposition device for PCB double-sided board production further comprises a processing box, a fan, an annular supporting frame and filter cloth, wherein the processing box is installed on the right side wall of the working box, a processing cavity is formed in the processing box, a cleaning port is formed in the top of the processing box and communicated with the processing cavity, a blocking cover is arranged at the top of the processing box in a sealing mode, the central area of the blocking cover is arranged at a ventilation hole, the fan is installed at the ventilation hole, the filter cloth is installed on the inner side wall of the annular supporting frame, two groups of positioning plates are respectively arranged in the central areas of the left side wall and the inner right side wall of the processing box, the annular supporting frame is placed on the two groups of positioning plates, and the input end of the transmission pipe is communicated with the central area of the bottom.
The chemical copper deposition device for the PCB double-sided board production further comprises a box cover and a baffle plate, wherein the box cover is placed at the top of the working box, a portable taking hole is formed in the right half area of the box cover, the left end of the baffle cover is hinged with the left side wall in the portable taking hole, a baffle cover is arranged at the right end of the top of the baffle cover, and the baffle rod is in contact with the top of the box cover.
The chemical copper deposition device for the PCB double-sided board production further comprises an annular sealing plug, wherein the annular sealing plug is mounted on the edge area of the bottom of the box cover, an annular sealing groove is formed in the top of the working box, and the annular sealing plug is inserted into the annular sealing groove.
The chemical copper deposition device for the production of the PCB double-sided board is characterized in that a sealing gasket is arranged on the inner wall of the annular sealing groove and is in contact with the annular sealing plug.
The chemical copper deposition device for the PCB double-sided board production further comprises a plurality of groups of filter screens, and the plurality of groups of filter screens are respectively provided with a plurality of groups of air outlet holes.
The chemical copper deposition device for the PCB double-sided board production further comprises a drainage pipe, wherein the input end of the drainage pipe is communicated with the transmission pipe, and a switch valve is arranged on the drainage pipe.
The chemical copper deposition device for the production of the PCB double-sided board further comprises four groups of anti-slip pads, wherein the four groups of anti-slip pads are respectively arranged at the bottom ends of the four groups of support columns.
According to the chemical copper deposition device for PCB double-sided board production, the bottoms of the multiple groups of containing baskets are all arc-shaped.
Compared with the prior art, the invention has the beneficial effects that: the inner space of the working box can be divided into two parts by the baffle plate, the right half area in the working box can be used as a copper deposition space, the left half area can be used as a buffer space, when the copper deposition liquid medicine in the copper deposition space is excessive, the excessive copper deposition liquid medicine can overflow into the buffer space and is discharged through the liquid outlet pipe, so that the overflow phenomenon of the copper deposition liquid medicine can be reduced, and the use reliability is improved; the external air can be guided into the circular turntable through the supporting pipe through the transmission pipe and can be discharged into the working box through a plurality of groups of air outlet holes in the top of the circular turntable, so that sufficient oxygen content in the copper precipitation liquid medicine is kept, and the driving gear drives the transmission gear to repeatedly rotate back and forth by rotating the rotating handle, so that the supporting pipe drives the circular turntable to rotate in the lower half area of the working box, the discharged air is fully contacted with the copper precipitation liquid medicine in the working box, the contact uniformity of the air and the copper precipitation liquid medicine is improved, copper particles generated by side reactions can be reduced, the utilization rate of copper ions is improved, and the practicability is improved; the rotary table can be rotated, the transmission shaft drives the multiple groups of front fixing plates and the multiple groups of rear fixing plates to rotate simultaneously, the multiple groups of containing baskets are driven by the multiple groups of front fixing plates and the multiple groups of rear fixing plates to rotate in the working box, circuit boards to be processed are placed in the multiple groups of containing baskets, the rotary table is rotated, the multiple groups of containing baskets sequentially float out of the liquid level, processed circuit boards are taken out, unprocessed circuit boards are placed in the multiple groups of containing baskets, and the multiple groups of front slots and the multiple groups of rear slots are located in the upper half area of the multiple groups of containing baskets, so when the multiple groups of front fixing plates and the multiple groups of rear fixing plates drive the multiple groups of containing baskets to rotate, the multiple groups of containing baskets can rotate, and the containing grooves of the multiple groups of containing baskets are always flushed; simultaneously because the rotating gear meshes with the carousel, and the diameter of rotating gear is less than the diameter of carousel, only need to rotate rotating gear, it can drive the multiunit and hold the basket rotation to make rotating gear drive the carousel rotation, and rotating gear is when rotating, the cardboard can be extruded to the rotating gear teeth when rotating, make cardboard compression coupling spring, when this tooth leaves the cardboard, the cardboard gets back to initial position under coupling spring's elastic force effect, and the card is regional below this tooth, support rotating gear's position through the cardboard, and can support the position of cardboard through the backup pad, make rotating gear not have the tendency of antiport, thereby can fix rotating gear's position, and then can conveniently make the circuit board stabilize in the work box, improve heavy copper stability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic rear view of the connection of the work box, the turntable, the rotary gear, the rotary handle, the clamping plate, the connecting spring, the limiting plate and the support plate;
FIG. 3 is a schematic top view of the connection of the work box, the transmission shaft, the limiting block, the turntable, the groups of front balls, the groups of rear balls, the rotating gear, the fixed shaft and the fixed wheel;
FIG. 4 is an enlarged view of a portion A of FIG. 1;
FIG. 5 is a partial enlarged view of portion B of FIG. 1;
in the drawings, the reference numbers: 1. a work box; 2. a baffle plate; 3. a liquid outlet pipe; 4. a support pillar; 5. rotating the disc; 6. supporting a tube; 7. a conveying pipe; 8. a support bar; 9. a pulley; 10. a transmission gear; 11. a driving gear; 12. rotating the handle; 13. positioning the shaft; 14. positioning wheels; 15. a drive shaft; 16. a front fixing plate; 17. a containing basket; 18. a limiting block; 19. a turntable; 20. a front plunger; 21. a rotating gear; 22. a fixed shaft; 23. a fixed wheel; 24. a rotation handle; 25. clamping a plate; 26. a limiting plate; 27. a connecting spring; 28. a support plate; 29. a front ball; 30. a treatment tank; 31. a fan; 32. an annular support frame; 33. a filter cloth; 34. a blocking cover; 35. positioning a plate; 36. a box cover; 37. a portable board; 38. a gear lever; 39. an annular sealing plug; 40. a gasket; 41. a filter screen; 42. a drain pipe; 43. an on-off valve; 44. a non-slip mat.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1 to 5, the chemical copper deposition device for PCB double-sided board production of the present invention comprises a working box 1, wherein a working chamber is arranged in the working box 1, and a pick-and-place opening is arranged at the top of the working box 1 and is communicated with the working chamber; a baffle 2 is arranged in the left half area of the bottom in the working box 1, the front side wall and the rear side wall of the baffle 2 are respectively connected with the front side wall and the inner rear side wall in the working box 1, and a liquid outlet pipe 3 is communicated with the bottom of the left side wall of the working box 1; the device also comprises four groups of support columns 4, a rotary disc 5, support tubes 6, a transmission tube 7, a plurality of groups of support rods 8, a plurality of groups of pulleys 9, a transmission gear 10, a driving gear 11 and a rotary handle 12, wherein the top ends of the four groups of support columns 4 are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom of the working box 1, a cavity is arranged in the rotary disc 5, a plurality of groups of air outlet holes are arranged at the top of the rotary disc 5, the top ends of the support tubes 6 penetrate through the right half area of the bottom of the working box 1 and are communicated with the central area of the bottom of the rotary disc 5, the contact part of the support tubes 6 and the bottom of the working box 1 is mechanically sealed, the output end of the transmission tube 7 is communicated with the bottom ends of the support tubes 6, the top ends and the bottom ends of the plurality of groups, a transmission gear 10 is sleeved on the lower half area of the outer wall of the support pipe 6, the inner wall of the transmission gear 10 is connected with the outer wall of the support pipe 6, a positioning shaft 13 is arranged at the top of the driving gear 11, a positioning wheel 14 is arranged at the top end of the positioning shaft 13, a positioning groove is arranged in the left half area of the bottom of the working box 1, the positioning wheel 14 is positioned in the positioning groove, the driving gear 11 is meshed with the transmission gear 10, and the top end of a rotary handle 12 is arranged in the left half; the multifunctional liquid-storing basket also comprises a transmission shaft 15, a plurality of groups of front fixing plates 16, a plurality of groups of rear fixing plates and a plurality of groups of containing baskets 17, wherein the front end of the transmission shaft 15 respectively penetrates through the right side wall and the front side wall of the rear side wall of the working box 1, the central area of the transmission shaft 15 is positioned in the working box 1, the contact parts of the transmission shaft 15 and the rear side wall and the front side wall of the working box 1 are mechanically sealed, the front end and the rear end of the transmission shaft 15 are respectively provided with a limiting block 18 and a turntable 19, one end of each group of front fixing plates 16 and one end of each group of rear fixing plates are respectively arranged on the front half area and the rear half area of the outer wall of the transmission shaft 15, the other ends of the plurality of groups of front fixing plates 16 and the plurality of groups of rear fixing plates are respectively provided with a plurality of groups of front, the upper half areas of the front side wall and the rear side wall of the plurality of groups of holding baskets 17 are respectively provided with a plurality of groups of front slots and a plurality of groups of rear slots, and the plurality of groups of front inserted rods 20 and the plurality of groups of rear inserted rods are respectively inserted into the plurality of groups of front slots and the plurality of groups of rear slots; the front end of the fixed shaft 22 is connected with the central region of the rear side wall of the rotating gear 21, the fixed wheel 23 is installed at the rear end of the fixed shaft 22, the rear side wall of the working box 1 is provided with a fixed groove, the fixed wheel 23 is located in the fixed groove, the edge region of the rotary disk 19 is provided with gear teeth corresponding to the rotating gear 21, the rotating gear 21 is meshed with the rotary disk 19, the rotating handle 24 is installed on the rear side wall of the rotating gear 21, the limiting plate 26 is installed in the left half region of the rear side wall of the working box 1, the bottom end of the limiting plate 25 is hinged with the bottom end of the right side wall of the limiting plate 26, the two ends of the connecting spring 27 are respectively connected with the limiting plate 26 and the limiting plate 25, the supporting plate 28 is installed in the left half region of the rear side wall of the working box 1, and one end; the inner space of the working box can be divided into two parts by the baffle plate, the right half area in the working box can be used as a copper deposition space, the left half area can be used as a buffer space, when the copper deposition liquid medicine in the copper deposition space is excessive, the excessive copper deposition liquid medicine can overflow into the buffer space and is discharged through the liquid outlet pipe, so that the overflow phenomenon of the copper deposition liquid medicine can be reduced, and the use reliability is improved; the external air can be guided into the circular turntable through the supporting pipe through the transmission pipe and can be discharged into the working box through a plurality of groups of air outlet holes in the top of the circular turntable, so that sufficient oxygen content in the copper precipitation liquid medicine is kept, and the driving gear drives the transmission gear to repeatedly rotate back and forth by rotating the rotating handle, so that the supporting pipe drives the circular turntable to rotate in the lower half area of the working box, the discharged air is fully contacted with the copper precipitation liquid medicine in the working box, the contact uniformity of the air and the copper precipitation liquid medicine is improved, copper particles generated by side reactions can be reduced, the utilization rate of copper ions is improved, and the practicability is improved; the rotary table can be rotated, the transmission shaft drives the multiple groups of front fixing plates and the multiple groups of rear fixing plates to rotate simultaneously, the multiple groups of containing baskets are driven by the multiple groups of front fixing plates and the multiple groups of rear fixing plates to rotate in the working box, circuit boards to be processed are placed in the multiple groups of containing baskets, the rotary table is rotated, the multiple groups of containing baskets sequentially float out of the liquid level, processed circuit boards are taken out, unprocessed circuit boards are placed in the multiple groups of containing baskets, and the multiple groups of front slots and the multiple groups of rear slots are located in the upper half area of the multiple groups of containing baskets, so when the multiple groups of front fixing plates and the multiple groups of rear fixing plates drive the multiple groups of containing baskets to rotate, the multiple groups of containing baskets can rotate, and the containing grooves of the multiple groups of containing baskets are always flushed; simultaneously because the rotating gear meshes with the carousel, and the diameter of rotating gear is less than the diameter of carousel, only need to rotate rotating gear, it can drive the multiunit and hold the basket rotation to make rotating gear drive the carousel rotation, and rotating gear is when rotating, the cardboard can be extruded to the rotating gear teeth when rotating, make cardboard compression coupling spring, when this tooth leaves the cardboard, the cardboard gets back to initial position under coupling spring's elastic force effect, and the card is regional below this tooth, support rotating gear's position through the cardboard, and can support the position of cardboard through the backup pad, make rotating gear not have the tendency of antiport, thereby can fix rotating gear's position, and then can conveniently make the circuit board stabilize in the work box, improve heavy copper stability.
The chemical copper deposition device for the PCB double-sided board production further comprises a plurality of groups of front balls 29 and a plurality of groups of rear balls, wherein a plurality of groups of front arc-shaped grooves and a plurality of groups of rear arc-shaped grooves are respectively formed in the rear side wall of the limiting block 18 and the front side wall of the turntable 19, the plurality of groups of front balls 29 and the plurality of groups of rear balls are respectively positioned in the plurality of groups of front arc-shaped grooves and the plurality of groups of rear arc-shaped grooves, and the plurality of groups of front balls 29 and the plurality of groups of rear balls are respectively contacted with the front; can reduce the frictional force between stopper and carousel and the preceding lateral wall of work box and the back lateral wall through the roll of ball behind multiunit front roll ball and the multiunit when stopper and carousel rotate to can make things convenient for the rotation of stopper and carousel.
The chemical copper deposition device for the production of the PCB double-sided board further comprises a processing box 30, a fan 31, an annular support frame 32 and filter cloth 33, wherein the processing box 30 is installed on the right side wall of the working box 1, a processing cavity is arranged in the processing box 30, a cleaning port is formed in the top of the processing box 30 and communicated with the processing cavity, a blocking cover 34 is hermetically arranged at the top of the processing box 30, the central area of the blocking cover 34 is arranged on a ventilation hole, the fan 31 is installed at the ventilation hole, the filter cloth 33 is installed on the inner side wall of the annular support frame 32, two groups of positioning plates 35 are respectively arranged in the central areas of the left side wall and the inner right side wall in the processing box 30, the annular support frame 32 is placed on the two groups of positioning plates 35, and the input end of a transmission pipe 7; can be connected fan and commercial power electricity to start the fan, in handling the incasement with the outside air drum under the effect of fan, and filter it through the filter cloth, with the impurity separation wherein in handling the incasement first region, the air after the filtration spreads into in the stay tube through the transmission pipe, improves the cleanliness factor of leading-in air.
The chemical copper deposition device for the production of the PCB double-sided board further comprises a box cover 36 and a portable plate 37, wherein the box cover 36 is placed at the top of the working box 1, a portable taking hole is formed in the right half area of the box cover 36, the left end of the portable plate 37 is hinged with the left side wall in the portable taking hole, a stop lever 38 is arranged at the right end of the top of the portable plate 37, and the stop lever 38 is in contact with the top of the box cover 36; the box cover can be closed at the top of the working box, so that impurities in the outside air can be reduced to enter the working box through the taking and placing opening, the portable plate can be lifted through the lifting blocking rod when the circuit board is required to be taken and placed, the circuit board is conveniently taken and placed through the portable taking and placing hole, and the position of the portable plate can be conveniently limited through the blocking rod.
The chemical copper deposition device for the PCB double-sided board production further comprises an annular sealing plug 39, wherein the annular sealing plug is mounted in the edge area of the bottom of the box cover 36, an annular sealing groove is formed in the top of the working box 1, and the annular sealing plug 39 is inserted into the annular sealing groove; when the box cover is closed, the position of the box cover can be conveniently fixed by inserting the annular sealing plug into the annular sealing groove, and the sealing property between the box cover and the working box can be improved.
According to the chemical copper deposition device for PCB double-sided board production, the sealing gasket 40 is arranged on the inner wall of the annular sealing groove, and the sealing gasket 40 is in contact with the annular sealing plug 39; the sealing performance between the annular sealing plug and the annular sealing groove can be improved through the sealing gasket, so that the sealing performance between the box cover and the working box can be further improved.
The chemical copper deposition device for the PCB double-sided board production further comprises a plurality of groups of filter screens 41, wherein the plurality of groups of filter screens 41 are respectively provided with a plurality of groups of air outlets; the situation that impurities enter the rotating disc to cause difficult cleaning can be reduced through the filter screen.
The chemical copper deposition device for the PCB double-sided board production further comprises a drain pipe 42, wherein the input end of the drain pipe 42 is communicated with the transmission pipe 7, and the drain pipe 42 is provided with a switch valve 43; when the copper deposition liquid medicine in the working box is required to be completely discharged, the switch valve can be opened, and the liquid entering the rotary disc and the supporting pipe is discharged through the discharge pipe.
The chemical copper deposition device for the production of the PCB double-sided board further comprises four groups of anti-slip pads 44, wherein the four groups of anti-slip pads 44 are respectively arranged at the bottom ends of the four groups of support columns 4; the friction force between the bottom ends of the four groups of supporting columns and the ground can be enhanced through the four groups of anti-skid pads, so that the number of the four groups of supporting columns can be reduced, and the stability of the work box is improved.
According to the chemical copper deposition device for PCB double-sided board production, the bottoms of a plurality of groups of containing baskets 17 are all arc-shaped; the weight of the lower half area of the multiple groups of containing baskets is larger through the arc-shaped bottoms of the containing baskets, so that the multiple groups of containing baskets can be conveniently and always washed upwards by the containing grooves in the rotating process.
When the chemical copper deposition device for PCB double-sided board production works, the inner space of the working box can be divided into two parts by the baffle plate, the right half area in the working box can be used as a copper deposition space, and the left half area can be used as a buffer space; the external air can be guided into the circular turntable through the supporting pipe through the transmission pipe and can be discharged into the working box through a plurality of groups of air outlet holes in the top of the circular turntable, so that sufficient oxygen content in the copper precipitation liquid medicine is kept, and the driving gear drives the transmission gear to repeatedly rotate back and forth by rotating the rotating handle, so that the supporting pipe drives the circular turntable to rotate in the lower half area of the working box, the discharged air is fully contacted with the copper precipitation liquid medicine in the working box, the contact uniformity of the air and the copper precipitation liquid medicine is improved, copper particles generated by side reactions can be reduced, the utilization rate of copper ions is improved, and the practicability is improved; the rotary table can be rotated, the transmission shaft drives the multiple groups of front fixing plates and the multiple groups of rear fixing plates to rotate simultaneously, the multiple groups of containing baskets are driven by the multiple groups of front fixing plates and the multiple groups of rear fixing plates to rotate in the working box, circuit boards to be processed are placed in the multiple groups of containing baskets, the rotary table is rotated, the multiple groups of containing baskets sequentially float out of the liquid level, processed circuit boards are taken out, unprocessed circuit boards are placed in the multiple groups of containing baskets, and the multiple groups of front slots and the multiple groups of rear slots are located in the upper half area of the multiple groups of containing baskets, so when the multiple groups of front fixing plates and the multiple groups of rear fixing plates drive the multiple groups of containing baskets to rotate, the multiple groups of containing baskets can rotate, and the containing grooves of the multiple groups of containing baskets are always flushed; meanwhile, as the rotating gear is meshed with the turntable and the diameter of the rotating gear is smaller than that of the turntable, only the rotating gear needs to be rotated to drive the turntable to rotate, the rotating gear drives the turntable to rotate to drive the multiple groups of containing baskets to rotate, and when the rotating gear rotates, the teeth of the rotating gear can extrude the clamping plates to compress the connecting springs, when the teeth leave the clamping plates, the clamping plates return to the initial positions under the elastic force of the connecting springs and are clamped in the lower areas of the teeth, the positions of the rotating gear are supported by the clamping plates, and the positions of the clamping plates can be supported by the supporting plate, so that the rotating gear has no tendency of reverse rotation, the positions of the rotating gears can be fixed, a circuit board can be conveniently stabilized in the working box, the copper deposition stability is improved, and when the limiting blocks and the turntable rotate, the friction force between the limiting blocks and the turntable as well as the front side walls and the rear side walls, thereby being convenient for the rotation of the limiting block and the turntable, being capable of electrically connecting the fan with a mains supply, starting the fan, blowing outside air into the processing box under the action of the fan, filtering the outside air through the filter cloth, blocking impurities in the outside air in the upper half area of the processing box, leading the filtered air into the supporting pipe through the transmission pipe, improving the cleanliness of the introduced air, reducing the impurities in the outside air entering the working box through the taking and placing opening by closing the box cover on the top of the working box, lifting the portable plate through the lifting blocking rod when the circuit board needs to be taken and placed, facilitating the taking and placing of the circuit board through the portable taking and placing hole, conveniently limiting the position of the portable plate through the blocking rod, conveniently fixing the position of the box cover by inserting the annular sealing plug into the annular sealing groove when the box cover is closed, and improving the sealing performance between the box cover and the working box, can improve the leakproofness between annular sealing plug and the annular seal groove through sealed the pad, thereby can further improve the leakproofness between case lid and the work box, can reduce the condition that impurity caused the clearance in getting into the rotating disc through the filter screen, can be when needs are all discharged with the heavy copper liquid medicine in the work box, the on-off valve can be opened, liquid discharge in will getting into rotating disc and the stay tube through the escape pipe, can strengthen the frictional force between four group's support column bottoms of four group and the ground through four group's slipmats, thereby can reduce being located of four group's support columns, improve the stability of work box, it is great to make the multiunit hold the lower half regional weight of basket through the arc bottom that holds the basket, thereby can conveniently make the multiunit hold the basket and hold the groove and wash towards all the time in the rotation process.
According to the chemical copper deposition device for PCB double-sided board production, disclosed by the invention, copper deposition liquid medicine is poured into the right half area in the working box, the pretreated circuit board which needs chemical copper deposition is placed in the working box for reaction, the thickness of copper deposition is controlled according to the length of reaction time, the circuit board is taken out after copper deposition is finished, and the concentration of each component of the copper deposition liquid medicine is controlled by adopting an automatic feeding system in the whole reaction process.
The fan used by the chemical copper deposition device for producing the PCB double-sided board is a common type in the market, and can be purchased in the market, and technicians in the industry only need to install and operate according to the accompanying instructions.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A chemical copper deposition device for PCB double-sided board production comprises a working box (1), wherein a working cavity is arranged in the working box (1), a taking and placing opening is formed in the top of the working box (1), and the taking and placing opening is communicated with the working cavity; the device is characterized in that a baffle (2) is arranged in the left half area of the bottom in the working box (1), the front side wall and the rear side wall of the baffle (2) are respectively connected with the front side wall and the rear side wall in the working box (1), and a liquid outlet pipe (3) is communicated with the bottom of the left side wall of the working box (1); the device also comprises four groups of supporting columns (4), a rotating disc (5), supporting tubes (6), a transmission tube (7), a plurality of groups of supporting rods (8), a plurality of groups of pulleys (9), a transmission gear (10), a driving gear (11) and a rotating handle (12), wherein the top ends of the four groups of supporting columns (4) are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom of the working box (1), a cavity is arranged in the rotating disc (5), a plurality of groups of air outlet holes are arranged at the top of the rotating disc (5), the top ends of the supporting tubes (6) penetrate through the right half area of the bottom of the working box (1) and are communicated with the central area of the bottom of the rotating disc (5), the supporting tubes (6) are mechanically sealed at the contact part of the bottom of the working box (1), the output end of the transmission tube (7) is communicated with the bottom end of the supporting tubes (6), and the top ends, the bottom of the working box (1) is provided with an annular sliding groove, the multiple groups of pulleys (9) are located in the annular sliding groove, a fixing hole is formed in the central area of the transmission gear (10), the transmission gear (10) is sleeved on the lower half area of the outer wall of the supporting tube (6), the inner wall of the transmission gear (10) is connected with the outer wall of the supporting tube (6), a positioning shaft (13) is arranged at the top of the driving gear (11), a positioning wheel (14) is arranged at the top end of the positioning shaft (13), a positioning groove is formed in the left half area of the bottom of the working box (1), the positioning wheel (14) is located in the positioning groove, the driving gear (11) is meshed with the transmission gear (10), and the top end of the rotary handle (12) is; the multifunctional transmission case is characterized by further comprising a transmission shaft (15), a plurality of groups of front fixing plates (16), a plurality of groups of rear fixing plates and a plurality of groups of containing baskets (17), wherein the front end of the transmission shaft (15) penetrates through the right side wall and the front side wall of the rear side wall of the working case (1) respectively to enable the central area of the transmission shaft (15) to be located inside the working case (1), the contact parts of the transmission shaft (15) and the rear side wall of the working case (1) are mechanically sealed, limit blocks (18) and a turntable (19) are arranged at the front end and the rear end of the transmission shaft (15) respectively, one ends of the plurality of groups of front fixing plates (16) and the plurality of groups of rear fixing plates are arranged on the front half area and the rear half area of the outer wall of the transmission shaft (15) respectively, the other ends of the plurality of groups of front fixing plates (16), a plurality of groups of liquid inlet holes are respectively formed in the outer walls of the plurality of groups of containing baskets (17), the plurality of groups of containing baskets (17) are respectively positioned between the plurality of groups of front fixing plates (16) and the plurality of groups of rear fixing plates, a plurality of groups of front slots and a plurality of groups of rear slots are respectively arranged in the upper half areas of the front side walls and the rear side walls of the plurality of groups of containing baskets (17), and the plurality of groups of front insertion rods (20) and the plurality of groups of rear insertion rods are respectively inserted into the plurality of groups of front slots and; the novel rotary table is characterized by further comprising a rotary gear (21), a fixing shaft (22), a fixing wheel (23), a rotary handle (24), a clamping plate (25), a limiting plate (26), a connecting spring (27) and a supporting plate (28), wherein the front end of the fixing shaft (22) is connected with the central region of the rear side wall of the rotary gear (21), the fixing wheel (23) is installed at the rear end of the fixing shaft (22), the rear side wall of the working box (1) is provided with a fixing groove, the fixing wheel (23) is located in the fixing groove, the edge region of the rotary plate (19) is provided with gear teeth corresponding to the rotary gear (21), the rotary gear (21) is meshed with the rotary plate (19), the rotary handle (24) is installed on the rear side wall of the rotary gear (21), the limiting plate (26) is installed in the left half region of the rear side wall of the working box (1), and the bottom end of, two ends of the connecting spring (27) are respectively connected with the limiting plate (26) and the clamping plate (25), the supporting plate (28) is arranged in the left half area of the rear side wall of the working box (1), and one end of the supporting plate (28) is in contact with the clamping plate (25).
2. The chemical copper deposition device for PCB double-sided board production according to claim 1, further comprising a plurality of sets of front balls (29) and a plurality of sets of rear balls, wherein the rear side wall of the stopper (18) and the front side wall of the turntable (19) are respectively provided with a plurality of sets of front arc grooves and a plurality of sets of rear arc grooves, the plurality of sets of front balls (29) and the plurality of sets of rear balls are respectively located in the plurality of sets of front arc grooves and the plurality of sets of rear arc grooves, and the plurality of sets of front balls (29) and the plurality of sets of rear balls are respectively contacted with the front side wall and the rear side wall of the work box (1).
3. The chemical copper deposition device for PCB double-sided board production according to claim 2, further comprising a processing box (30), a fan (31), an annular supporting frame (32) and a filter cloth (33), wherein the processing box (30) is installed on the right side wall of the working box (1), a processing cavity is arranged in the processing box (30), a cleaning port is arranged at the top of the processing box (30) and is communicated with the processing cavity, a blocking cover (34) is hermetically arranged at the top of the processing box (30), the central area of the blocking cover (34) is arranged at a ventilation hole, the fan (31) is installed at the ventilation hole, the filter cloth (33) is installed on the inner side wall of the annular supporting frame (32), two sets of positioning plates (35) are respectively arranged in the central areas of the inner left side wall and the inner right side wall of the processing box (30), and the annular supporting frame (32) is placed on the two sets of positioning plates (35), the input end of the transmission pipe (7) is communicated with the central area at the bottom of the processing box (30).
4. A chemical copper deposition device for PCB double-sided board production according to claim 3, further comprising a box cover (36) and a portable plate (37), wherein the box cover (36) is placed on top of the working box (1), a portable access hole is formed on the right half area of the box cover (36), the left end of the portable plate (37) is hinged with the left side wall of the portable access hole, a stop lever (38) is arranged on the right end of the top of the portable plate (37), and the stop lever (38) is in contact with the top of the box cover (36).
5. A chemical copper deposition device for PCB double-sided board production according to claim 4, further comprising an annular sealing plug (39) installed at the bottom edge region of the box cover (36), wherein the top of the working box (1) is provided with an annular sealing groove, and the annular sealing plug (39) is inserted into the annular sealing groove.
6. A chemical copper deposition device for PCB double sided board production according to claim 5, characterized in that the inner wall of the annular sealing groove is provided with a sealing gasket (40), and the sealing gasket (40) contacts with the annular sealing plug (39).
7. The electroless copper plating device for PCB double sided board production as recited in claim 6, further comprising a plurality of sets of filter screens (41), wherein the plurality of sets of filter screens (41) are respectively installed at the plurality of sets of air holes.
8. A chemical copper deposition apparatus for PCB double sided board production according to claim 7, further comprising a drain pipe (42), wherein the input end of the drain pipe (42) is connected to the transmission pipe (7), and a switch valve (43) is disposed on the drain pipe (42).
9. A electroless copper plating apparatus for PCB double sided board production according to claim 8, further comprising four sets of anti-slip pads (44), wherein said four sets of anti-slip pads (44) are respectively mounted on the bottom ends of the four sets of support posts (4).
10. The chemical copper deposition apparatus for PCB double sided board production according to claim 9, wherein the bottom of the plurality of sets of holding baskets (17) is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811135699.7A CN109168273B (en) | 2018-09-27 | 2018-09-27 | Chemical copper deposition device for PCB double-sided board production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811135699.7A CN109168273B (en) | 2018-09-27 | 2018-09-27 | Chemical copper deposition device for PCB double-sided board production |
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| CN109168273A CN109168273A (en) | 2019-01-08 |
| CN109168273B true CN109168273B (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811135699.7A Active CN109168273B (en) | 2018-09-27 | 2018-09-27 | Chemical copper deposition device for PCB double-sided board production |
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| CN113543525B (en) * | 2021-06-02 | 2023-05-05 | 深圳市英诺泰克科技有限公司 | Chemical copper deposition device for producing PCB double-sided board |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204589350U (en) * | 2015-01-12 | 2015-08-26 | 东莞市威力固电路板设备有限公司 | Level sinks copper liquid reflux and system |
| CN205755081U (en) * | 2016-05-20 | 2016-11-30 | 信丰福昌发电子有限公司 | A kind of pcb board copper precipitation unit |
| CN206118182U (en) * | 2016-08-25 | 2017-04-19 | 宇宙电路板设备(深圳)有限公司 | Heavy copper equipment in surface |
-
2018
- 2018-09-27 CN CN201811135699.7A patent/CN109168273B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204589350U (en) * | 2015-01-12 | 2015-08-26 | 东莞市威力固电路板设备有限公司 | Level sinks copper liquid reflux and system |
| CN205755081U (en) * | 2016-05-20 | 2016-11-30 | 信丰福昌发电子有限公司 | A kind of pcb board copper precipitation unit |
| CN206118182U (en) * | 2016-08-25 | 2017-04-19 | 宇宙电路板设备(深圳)有限公司 | Heavy copper equipment in surface |
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| CN109168273A (en) | 2019-01-08 |
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