CN210093692U

CN210093692U - Printed circuit board processing equipment

Info

Publication number: CN210093692U
Application number: CN201821954677.9U
Authority: CN
Inventors: 郑晓蓉; 周刚; 王欣
Original assignee: Xiang Science And Technology Circuit Board Co Ltd Of Daya Gulf Section Of Huizhou City
Current assignee: Xiang Science And Technology Circuit Board Co Ltd Of Daya Gulf Section Of Huizhou City
Priority date: 2018-11-26
Filing date: 2018-11-26
Publication date: 2020-02-18
Anticipated expiration: 2028-11-26

Abstract

The utility model relates to a printed circuit board processing equipment, including the tinning bath, the drying bath, blast apparatus, the copper-plating bath, draw gear and fixed platform, the last slip of fixed platform is equipped with the slider, fixed platform below this meaning is equipped with the tinning bath in proper order, drying bath and copper-plating bath, the last draw gear that is equipped with of fixed platform, draw gear transmission link block, the slider below hangs and treats the circuit board, the symmetry is equipped with liquid spray device on the tinning bath inner wall, the symmetry is equipped with liquid spray device on the relative two inner walls of copper-plating bath, be equipped with blast apparatus in the drying bath, blast apparatus includes the air-blower, air pipe, guide baffle, the vertical deflector that is equipped with in the drying bath, be equipped with a plurality of air pipe between guide baffle and the drying bath inner wall, a plurality of air outlets have been seted up on the. Liquid medicine is uniformly sprayed to the board surface through liquid spraying devices in the tin plating bath and the copper plating bath, and the circuit board is dried through a blowing device in a drying bath.

Description

Printed circuit board processing equipment

Technical Field

The utility model relates to a circuit board auxiliary production equipment field especially relates to a printed circuit board processing equipment.

Background

Printed circuit boards are the cornerstone of most electronic products and provide electrical connections for various components on the circuit board. With the development of diversification and multilevel in the printed circuit board industry, the printed circuit board must develop in the direction of bearing more functional requirements, and the development in the direction of meeting increasingly complex customer requirements is required. Because the space of the printed circuit board is limited, the line impedance required by a customer cannot be met by setting the line width, so that the impedance requirement is realized by increasing the cross-sectional area of the line, and the problem of poor uniformity of the thickness of a plating layer is prominent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a printed circuit board processing equipment to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a processing device for printed circuit boards comprises a tinning bath, a drying bath, a blowing device, a copper plating bath, a fixed platform, a traction device and a lifting device, wherein two sliders are arranged on the fixed platform in a sliding manner and are arranged at intervals, the tinning bath, the drying bath and the copper plating bath are sequentially arranged below the fixed platform, the traction device is arranged on the fixed platform and is in transmission connection with the sliders, the lifting device is connected between the two sliders, a circuit board to be plated is hung below the lifting device, liquid spraying devices are symmetrically arranged on two opposite inner walls of the tinning bath, the liquid spraying devices are symmetrically arranged on two opposite inner walls of the copper plating bath, an anode plate is arranged between the liquid spraying devices and the inner wall of the tinning bath, an anode plate is arranged between the liquid spraying devices and the inner wall of the copper plating bath, the plane of the circuit board to be plated, the central symmetry planes of the two liquid spraying devices in the tinning bath and the central symmetry planes, the drying groove is internally provided with a blowing device, the blowing device comprises an air blower, a ventilation pipeline and a guide baffle, the drying groove is internally vertically provided with the guide baffle, a plurality of ventilation pipelines are arranged between the guide baffle and the inner wall of the drying groove, a plurality of air outlets are formed in the guide baffle, and air outlets corresponding to the air outlets are arranged on the ventilation pipelines.

Hang the circuit board that waits to plate below elevating gear, gliding slider moves on fixed platform under the drive of draw gear, elevating gear can move along with the removal of slider, elevating gear is used for the drive to hang and waits to plate the circuit board and reciprocate below elevating gear, elevating gear release waits to plate the circuit board and makes and wait to plate the circuit board decline and get into the tinning bath, the tinning bath is interior symmetry and is equipped with two hydrojet devices, it moves between the hydrojet device to wait to plate the circuit board, make each regional thickness of circuit board after the tin spraying unanimous, after accomplishing the tin spraying, elevating gear pulls the circuit board once more and rises. The lifting device releases the circuit board to be plated to enable the circuit board to be plated to descend and enter the drying groove, the blowing devices are symmetrically arranged in the drying groove, when the circuit board to be plated moves through the blowing devices, the blowing devices blow cold air out to dry the circuit board, and the lifting device pulls the circuit board to ascend again after drying is completed. The lifting device releases the circuit board to be plated to enable the circuit board to be plated to descend and enter the copper plating tank, two liquid spraying devices are symmetrically arranged in the copper plating tank, the circuit board to be plated moves between the liquid spraying devices, and the liquid spraying devices enable copper plating solution to be uniformly sprayed to the surface of the circuit board to obtain uniform plating thickness.

The traction device comprises a driving assembly, a first scroll, a second scroll, a first traction rope and a second traction rope, wherein the driving assembly is arranged on the lower end face of the fixed platform, the first scroll and the second scroll are rotatably arranged on two sides of the driving assembly respectively, the driving assembly is in transmission connection with the first scroll and the second scroll respectively, the first traction rope and the second traction rope are connected to two opposite side faces of the sliding block respectively, one end, far away from the sliding block, of the first traction rope is fixedly arranged on the first scroll, and one end, far away from the sliding block, of the second traction rope is fixedly arranged on the second scroll.

The traction device is used for driving the sliding block to slide on the fixed platform, the driving assembly is used for driving the first reel and the second reel to synchronously rotate, the first reel and the second reel are configured to enable the second reel to release the second traction rope when the first reel retracts the first traction rope, and the sliding block is pulled to slide on the fixed platform through the first traction rope or the second traction rope.

The driving assembly comprises a stepping motor, a gear shaft, a driving gear, a first driven gear and a second driven gear, the gear shaft is connected with the stepping motor in a transmission mode, the driving gear is fixedly arranged at two ends of the gear shaft respectively, the first driven gear is fixedly arranged at two ends of the first scroll, the second driven gear is fixedly arranged at two ends of the first scroll, the first driven gear and the second driven gear are arranged on two sides of the driving gear respectively, and the first driven gear and the second driven gear are meshed with the driving gear respectively.

Step motor is used for driving gear shaft to rotate, and the gear shaft drives the driving gear at both ends and rotates, and the driving tooth meshes with first driven gear and second driven gear simultaneously, and the driving gear drives first driven gear and second driven gear and rotates, and first driven gear drives first spool and rotates, and second driven gear drives the second spool and rotates, makes the rotation direction of first spool and second spool opposite.

The lifting device comprises a third scroll, a lifting gear, a plurality of first racks, a plurality of second racks and a lifting rope, one end of the lifting rope is fixedly arranged on the third scroll, the other end of the lifting rope is fixedly provided with a lifting hook, two ends of the third scroll are respectively and rotatably connected with a sliding block, the lifting gear is arranged between the third scroll and the sliding block, the upper surface of the fixed platform is provided with the first racks, the first racks can be meshed with the lower part of the lifting gear, the second racks are arranged above the fixed platform, the second racks can be meshed with the upper part of the lifting gear, and the first racks and the second racks are arranged in a staggered mode.

The fixed cover of lifting gear locates third spool both ends, lifting gear both ends are connected with the slider, the slider slides and drives third spool and lifting gear removal, first rack is fixed at fixed platform up end, the second rack is fixed in first rack top and second rack and the crisscross setting of first rack, make lifting gear make a round trip to rotate when first rack or second rack meshing lifting gear, lifting gear rotates and drives the rotation of third spool, the rotation of third spool makes the lifting rope curl up or put down.

The liquid spraying device comprises a spraying pipe, a nozzle and a spraying pipe fixing plate, wherein the spraying pipe fixing plate is respectively arranged inside the tinning bath and the copper plating bath, a plurality of spraying pipes are arranged between the tinning bath inner wall and the spraying pipe fixing plate, a plurality of spraying pipes are arranged between the copper plating bath inner wall and the spraying pipe fixing plate, a plurality of spray heads are arranged on the spraying pipes, a spraying pipe accommodating groove is formed in the spraying pipe fixing plate corresponding to the spraying pipes, a spray head accommodating hole is formed in the spraying pipe fixing plate corresponding to the spray heads.

The spray tube fixed plate is used for fixing the spray tube and the nozzle, the spray tube fixed plate can avoid the damage condition of relevant parts caused by collision between the circuit board and the spray tube, and the nozzle sprays liquid medicine towards the circuit board when the circuit board passes through between two liquid spraying devices, so that electroplating operation is completed, and the labor is saved by spraying uniformly.

The spray pipe is provided with a flow valve.

The flow valve is used for adjusting the flow and the pressure of the corresponding spray pipe, the flow speed of the liquid medicine sprayed to the plate surface is controlled, the liquid medicine pressure sprayed by the spray nozzle is appropriate, and the liquid medicine can be uniformly sprayed to the plate surface.

Ultrasonic generators are arranged on the outer walls of the tinning bath and the copper plating bath close to the liquid spraying device.

The ultrasonic generator is close to the spray pipe, and the ultrasonic generator can generate ultrasonic waves, so that the ion concentration of the liquid medicine in the groove body and the spray pipe can be kept uniform, and the thickness of a plating layer formed on the circuit board is uniform.

The tinning bath and the copper plating bath are respectively communicated with a detection bath, the detection bath is a transparent bath body, a graduated scale is arranged on the outer wall of the detection bath, and a circulating assembly is arranged in the detection bath.

The transparent detection groove and the graduated scale can simultaneously detect the liquid level of the solution and observe the solution.

The circulating assembly comprises a circulating pump machine, a filter, a circulating pipe, a flow valve and a stop valve, the circulating pump machine is arranged at the bottom of the detection tank, the filter is arranged on the side wall of the detection tank, the filter is communicated with the circulating pump machine through the circulating pipe, the spray pipe is connected with the filter through the circulating pipe, and the stop valve is arranged on the circulating pipe.

The nozzle in the liquid spraying mechanism can suck the liquid medicine in the groove under the action of the circulating pump, and the sucked liquid medicine can be sprayed out through the nozzle again, so that the flowability of the liquid medicine in the groove can be enhanced, and the circuit board is quickly electroplated.

The utility model discloses a theory of operation does: the stepping motor is used for driving the gear shaft to rotate, the gear shaft drives the driving gears at two ends to rotate, the driving gear is simultaneously meshed with the first driven gear and the second driven gear, the driving gear drives the first driven gear and the second driven gear to rotate, the first driven gear drives the first scroll to rotate, the second driven gear drives the second scroll to rotate, the first traction rope and the second traction rope pull the sliding block to slide on the fixed platform and slide on the fixed platform to move the third scroll and the lifting gear, the first rack can be meshed with the lower edge of the lifting gear, the second rack can be meshed with the upper edge of the lifting gear, the first rack and the second rack are arranged in a staggered way, when the slide block moves along a certain direction, the lifting gear is meshed with the first rack and the second rack in sequence, therefore, the lifting gear rotates back and forth, the lifting gear rotates to drive the third reel to rotate, and the third reel rotates to enable the lifting rope to pull up or put down the circuit board to be plated suspended below the lifting device. When the circuit board to be plated descends into the tinning bath, two liquid spraying devices are symmetrically arranged in the tinning bath, the circuit board to be plated moves between the liquid spraying devices, solution is sprayed on the circuit board, and the circuit board is pulled to ascend by the lifting device. When the circuit board to be plated descends and enters the drying groove, the blowing devices are symmetrically arranged in the drying groove, when the circuit board to be plated moves through the blowing devices, the blowing devices blow cold air to dry the circuit board, and the circuit board is pulled to ascend after drying is completed. When the circuit board to be plated descends into the copper plating tank, two liquid spraying devices are symmetrically arranged in the copper plating tank, the circuit board to be plated moves between the liquid spraying devices, the liquid spraying devices enable copper plating solution to be uniformly sprayed to the board surface, and then the circuit board is pulled to ascend again by the lifting device.

The utility model has the advantages that: the circuit board loops through tinning bath, drying bath and copper plate groove, evenly sprays liquid medicine to the face through the liquid spray device in tinning bath and the copper plate groove, through blast apparatus drying circuit board in the drying bath, obtains different cladding materials, effectively promotes cladding material thickness homogeneity.

Drawings

The figures further illustrate the invention, but the embodiments in the figures do not constitute any limitation of the invention.

Fig. 1 is a schematic structural diagram according to an embodiment of the present invention;

reference numbers in the figures: the device comprises a fixed platform 1, a slide block 11, a third reel 12, a lifting gear 13, a first rack 14, a second rack 15, a stepping motor 21, a first reel 22, a first driven gear 23, a first traction rope 24, a spray pipe 31, a nozzle 32, a spray pipe fixing plate 33, an anode plate 34, a detection groove 41, a circulating pump 42 and a filter 43.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

It should be noted that, unless otherwise specified, when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or intervening elements may be present, and directional terms such as "upper, lower, left, right" used herein generally refer to upper, lower, left, right as viewed in fig. 1, "inner, outer" refers to inner and outer in the specific contour, and "distal, proximal" refers to distal and proximal with respect to a particular feature.

As shown in FIG. 1, an embodiment of the utility model provides a pair of printed circuit board processing equipment, including the tinning bath, the drying bath, blast apparatus, the copper plating bath, fixed platform 1, draw gear and elevating gear, it is provided with two sliders 11 to slide on the fixed platform 1, slider 11 interval sets up, fixed platform 1 below is equipped with the tinning bath in proper order, drying bath and copper plating bath, be provided with draw gear on the fixed platform 1, draw gear transmission link block 11, be connected with elevating gear between two sliders 11, the elevating gear below has hung the circuit board of waiting to plate, the symmetry is provided with hydrojet device on the relative two inner walls of tinning bath, the symmetry is provided with hydrojet device on the relative two inner walls of copper plating bath, be equipped with anode plate 34 between hydrojet device and the tinning bath inner wall, be equipped with anode plate 34 between hydrojet device and the copper plating bath inner wall, the plane of waiting to plate the circuit board place, the centrosymmetric plane of two hydrojet device in the tinning bath and the centrosymmetric The face is located same vertical plane, and the stoving inslot is equipped with blast apparatus, and blast apparatus includes air-blower, air pipe and deflector, and the stoving inslot is vertical to be provided with deflector, is provided with a plurality of air pipe between deflector and the stoving inslot wall, has seted up a plurality of air outlets on the deflector, and the last air outlet that corresponds of air pipe is equipped with the air outlet tuyere.

The anode plate 34 is sleeved with a filter bag, the circuit board to be plated is suspended below the lifting device through the flying bar and the clamp, the flying bar and the clamp mainly play a role in clamping the circuit board to be plated, and the flying bar and the clamp can adopt any flying bar and clamp which are known by persons skilled in the art and are suitable for being installed on a lifting hook, as long as the functions of the flying bar and the clamp for clamping and fixing the circuit board can be met. The sliding block 11 is driven by the traction device to move on the fixed platform 1, the lifting device can move along with the movement of the sliding block 11, the lifting device is used for driving a circuit board to be plated hung below the lifting device to move up and down, the lifting device releases the circuit board to be plated to enable the circuit board to be plated to descend and enter a tinning bath, two liquid spraying devices are symmetrically arranged in the tinning bath, the circuit board to be plated moves between the liquid spraying devices, the thicknesses of all areas of the circuit board after tin spraying are consistent, and the lifting device pulls the circuit board to ascend again after the tin spraying is completed. The lifting device releases the circuit board to be plated to enable the circuit board to be plated to descend and enter the drying groove, the blowing devices are symmetrically arranged in the drying groove, when the circuit board to be plated moves through the blowing devices, the blowing devices blow cold air out to dry the circuit board, and the lifting device pulls the circuit board to ascend again after drying is completed. The lifting device releases the circuit board to be plated to enable the circuit board to be plated to descend and enter the copper plating tank, two liquid spraying devices are symmetrically arranged in the copper plating tank, the circuit board to be plated moves between the liquid spraying devices, and the liquid spraying devices enable copper plating solution to be uniformly sprayed to the surface of the circuit board to obtain uniform plating thickness.

Draw gear includes drive assembly, first spool 22, the second spool, first haulage rope 24 and second haulage rope, the terminal surface is provided with drive assembly under the fixed platform 1, drive assembly both sides are rotatable respectively and are provided with first spool 22 and second spool, drive assembly is the transmission respectively and connects first spool 22 and second spool, the relative both sides face of slider 11 is connected with first haulage rope 24 and second haulage rope respectively, the one end that slider 11 was kept away from to first haulage rope 24 is fixed to be set up in first spool 22, the one end that slider 11 was kept away from to the second haulage rope is fixed to be set up in the second spool.

The traction device is used for driving the sliding block 11 to slide on the fixed platform 1, the driving assembly is used for driving the first reel 22 and the second reel to synchronously rotate, the first reel 22 and the second reel are configured to unwind the second traction rope when the first reel 22 retracts the first traction rope 24, and the sliding block 11 is pulled to slide on the fixed platform 1 through the first traction rope 24 or the second traction rope.

The drive assembly includes step motor 21, the gear shaft, the driving gear, first driven gear 23 and second driven gear, step motor 21 transmission is connected with the gear shaft, the gear shaft both ends are the fixed driving gear that is provided with respectively, the fixed first driven gear 23 that is provided with in first spool 22 both ends, the fixed second driven gear that is provided with in first spool 22 both ends, first driven gear 23 and second driven gear set up respectively in the driving gear both sides, first driven gear 23 and second driven gear respectively with driving gear meshing.

Step motor 21 is used for driving gear shaft to rotate, and the gear shaft drives the driving gear at both ends to rotate, and the driving tooth meshes with first driven gear 23 and second driven gear simultaneously, and the driving gear drives first driven gear 23 and second driven gear and rotates, and first driven gear 23 drives first spool 22 and rotates, and second driven gear drives the second spool and rotates, makes the rotation direction of first spool 22 and second spool opposite.

Lifting device includes third spool 12, lifting gear 13, a plurality of first racks 14, a plurality of second racks 15 and lifting rope, lifting rope one end is fixed to be set up on third spool 12, lifting rope other end is fixed and is provided with the lifting hook, third spool 12 both ends are rotatable respectively and are connected with a slider 11, be provided with lifting gear 13 between third spool 12 and the slider 11, fixed platform 1 upper surface is provided with first rack 14, first rack 14 can mesh with lifting gear 13 lower part, fixed platform 1 top is provided with second rack 15, second rack 15 can mesh with lifting gear 13 upper portion, first rack 14 and the crisscross setting of second rack 15.

Lifting gear 13 is fixed to be located third reel 12 both ends, lifting gear 13 both ends are connected with slider 11, slider 11 slides and drives third reel 12 and lifting gear 13 and remove, first rack 14 is fixed at fixed platform 1 up end, second rack 15 is fixed in first rack 14 top and second rack 15 and the crisscross setting of first rack 14, make lifting gear 13 make a round trip to rotate when first rack 14 or second rack 15 mesh lifting gear 13, lifting gear 13 rotates and drives third reel 12 and rotate, third reel 12 rotates and makes the lifting rope roll up or put down.

The liquid spraying device comprises a spraying pipe 31, a spraying nozzle 32 and a spraying pipe fixing plate 33, the spraying pipe fixing plate 33 is respectively arranged inside a tinning bath and a copper plating bath, a plurality of spraying pipes 31 are arranged between the inner wall of the tinning bath and the spraying pipe fixing plate 33, a plurality of spraying pipes 31 are arranged between the inner wall of the copper plating bath and the spraying pipe fixing plate 33, a plurality of spray heads are arranged on the spraying pipes 31, a spraying pipe 31 accommodating groove is formed in the spraying pipe fixing plate 33 corresponding to the spraying pipes 31, a spraying head accommodating hole is formed in the spraying pipe fixing plate 33 corresponding to the.

Spout fixed plate 33 is used for fixed spout 31 and nozzle 32, and the condition of damage of the relevant part that the spout fixed plate 33 can avoid circuit board and spout 31 to bump and lead to, and nozzle 32 is towards circuit board blowout liquid medicine when the circuit board passes through between two hydrojet devices, and then accomplishes the electroplating operation, sprays evenly to save the manual work.

A flow valve is arranged on the nozzle 31.

The flow valve is used for adjusting the flow and the pressure of the corresponding spray pipe 31, controlling the flow speed of the liquid medicine sprayed to the plate surface, and the liquid medicine sprayed from the spray nozzle 32 has proper pressure and can uniformly spray the liquid medicine to the plate surface.

Supersonic generator is close to spray tube 31, and supersonic generator can produce the ultrasonic wave, can guarantee that the ionic strength of cell body and the interior liquid medicine of spray tube 31 keeps even, lets the thickness of the cladding material of formation on the circuit board even.

Tinning bath and copper facing groove communicate respectively has detection groove 41, detects groove 41 and is transparent cell body, is provided with the scale on detecting groove 41 outer wall, detects the inside circulation subassembly that is provided with of groove 41.

The transparent detection groove 41 and the graduated scale can simultaneously detect the liquid level height of the solution and observe the solution.

Detect 41 inner wall levels in groove and be provided with first conducting strip and second conducting strip, first conducting strip and second conducting strip relative interval set up, detect 41 up end in groove and be provided with the battery, detect 41 lateral walls in groove and be provided with the warning light, second conducting strip, warning light, battery and first conducting strip establish ties in proper order.

The circulating assembly comprises a circulating pump machine 42, a filter 43, a circulating pipe, a flow valve and a stop valve, the circulating pump machine 42 is arranged at the bottom of the detection tank 41, the filter 43 is arranged on the side wall of the detection tank 41, the filter 43 is communicated with the circulating pump machine 42 through the circulating pipe, the spray pipe 31 is connected with the filter 43 through the circulating pipe, and the stop valve is arranged on the circulating pipe.

The nozzle 32 in the liquid spraying mechanism can suck the liquid medicine in the groove under the action of the circulating pump 42, and the sucked liquid medicine can be sprayed out through the nozzle 32 again, so that the liquidity of the liquid medicine in the groove can be enhanced, and the circuit board can be quickly electroplated.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

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

1. The utility model provides a printed circuit board processing equipment which characterized in that: comprises a tinning bath, a drying bath, a blowing device, a copper plating bath, a fixed platform, a traction device and a lifting device, wherein two sliding blocks are arranged on the fixed platform in a sliding manner, the sliding blocks are arranged at intervals, the tinning bath, the drying bath and the copper plating bath are sequentially arranged below the fixed platform, the fixed platform is provided with the traction device, the traction device is in transmission connection with the sliding blocks, the lifting device is connected between the two sliding blocks, a circuit board to be plated is hung below the lifting device, liquid spraying devices are symmetrically arranged on two opposite inner walls of the tinning bath, liquid spraying devices are symmetrically arranged on two opposite inner walls of the copper plating bath, an anode plate is arranged between the liquid spraying devices and the inner wall of the tinning bath, the anode plate is arranged between the liquid spraying devices and the inner wall of the copper plating bath, the plane where the circuit board to be plated is located, the central symmetrical planes of the two liquid spraying devices, the drying groove is internally provided with a blowing device, the blowing device comprises an air blower, a ventilation pipeline and a guide baffle, the drying groove is internally vertically provided with the guide baffle, a plurality of ventilation pipelines are arranged between the guide baffle and the inner wall of the drying groove, a plurality of air outlets are formed in the guide baffle, and air outlets corresponding to the air outlets are arranged on the ventilation pipelines.

2. The printed circuit board processing apparatus according to claim 1, wherein: the traction device comprises a driving assembly, a first scroll, a second scroll, a first traction rope and a second traction rope, wherein the driving assembly is arranged on the lower end face of the fixed platform, the first scroll and the second scroll are rotatably arranged on two sides of the driving assembly respectively, the driving assembly is in transmission connection with the first scroll and the second scroll respectively, the first traction rope and the second traction rope are connected to two opposite side faces of the sliding block respectively, one end, far away from the sliding block, of the first traction rope is fixedly arranged on the first scroll, and one end, far away from the sliding block, of the second traction rope is fixedly arranged on the second scroll.

3. The printed circuit board processing apparatus according to claim 2, wherein: the driving assembly comprises a stepping motor, a gear shaft, a driving gear, a first driven gear and a second driven gear, the gear shaft is connected with the stepping motor in a transmission mode, the driving gear is fixedly arranged at two ends of the gear shaft respectively, the first driven gear is fixedly arranged at two ends of the first scroll, the second driven gear is fixedly arranged at two ends of the first scroll, the first driven gear and the second driven gear are arranged on two sides of the driving gear respectively, and the first driven gear and the second driven gear are meshed with the driving gear respectively.

4. The printed circuit board processing apparatus according to claim 1, wherein: the lifting device comprises a third scroll, a lifting gear, a first rack, a second rack and a lifting rope, one end of the lifting rope is fixedly arranged on the third scroll, the other end of the lifting rope is fixedly provided with a lifting hook, two ends of the third scroll are respectively rotatably connected with a sliding block, the lifting gear is arranged between the third scroll and the sliding block, the upper surface of the fixed platform is provided with the first rack, the lower parts of the first rack and the lifting gear are meshed, the second rack is arranged above the fixed platform, the upper parts of the second rack and the lifting gear are meshed, and the first rack and the second rack are arranged in a staggered mode.

5. The printed circuit board processing apparatus according to claim 1, wherein: the hydrojet device includes spray tube, nozzle and spray tube fixed plate, and tinned bath and copper facing inslot portion are provided with the spray tube fixed plate respectively, are provided with a plurality of spray tubes between tinned bath inner wall and the spray tube fixed plate, are provided with a plurality of spray tubes between copper facing inslot inner wall and the spray tube fixed plate, are provided with a plurality of shower nozzles on the spray tube, correspond the spray tube on the spray tube fixed plate and are provided with the spray tube storage tank, correspond the shower nozzle on the spray tube fixed plate and have seted up.

6. The printed circuit board processing apparatus according to claim 5, wherein: and the spray pipe is provided with a flow valve.

7. The printed circuit board processing apparatus according to claim 1, wherein: and ultrasonic generators are arranged on the outer walls of the tinning bath and the copper plating bath close to the liquid device.

8. The printed circuit board processing apparatus according to claim 1, wherein: the tinning bath and the copper plating bath are respectively communicated with a detection bath, the detection bath is a transparent bath body, a graduated scale is arranged on the outer wall of the detection bath, and a circulating assembly is arranged in the detection bath.

9. The printed circuit board processing apparatus according to claim 8, wherein: the circulating assembly comprises a circulating pump machine, a filter, a circulating pipe, a flow valve and a stop valve, the circulating pump machine is arranged at the bottom of the detection groove, the filter is arranged on the side wall of the detection groove, the filter is communicated with the circulating pump machine through the circulating pipe, the spray pipe is connected with the filter through the circulating pipe, and the stop valve is arranged on the circulating pipe.