CN220965285U

CN220965285U - PCB tinning device

Info

Publication number: CN220965285U
Application number: CN202321237348.3U
Authority: CN
Inventors: 倪清清; 张倩
Original assignee: Zhongshan Kangdisiwei Technology Co ltd
Current assignee: Zhongshan Kangdisiwei Technology Co ltd
Priority date: 2023-05-21
Filing date: 2023-05-21
Publication date: 2024-05-14
Anticipated expiration: 2033-05-21

Abstract

The utility model relates to the technical field of PCB processing, in particular to a PCB tinning device which comprises a bottom plate, a processing table, a switching shaft, a switching disc, a supporting plate, a switching motor, a driving gear, a driven gear, a workpiece lifting assembly, two tinning assemblies and four struts.

Description

PCB tinning device

Technical Field

The utility model relates to the technical field of PCB processing, in particular to a PCB tinning device.

Background

The PCB, called a printed circuit board, is an important electronic component, is a support for electronic components, and is a carrier for electrical interconnection of electronic components. It is called a "printed" circuit board because it is made using electronic printing. In the process of manufacturing a PCB, a tin layer needs to be formed on the surface of the PCB.

The existing PCB tinning device generally dips the PCB into a tinning pool for tinning, and when high-temperature tin materials in the tinning pool are insufficient, the machine is stopped to add the tin materials, so that the processing efficiency is affected.

Disclosure of utility model

The utility model aims to provide a PCB tinning device, which solves the problems that in the prior art, when high-temperature tin materials in a tinning pool are insufficient, the tin materials are required to be added by stopping a machine, and the processing efficiency is affected.

The technical scheme of the utility model is as follows:

The utility model provides a PCB board tinning stack, includes bottom plate, processing platform, switching shaft, switching disc, backup pad, switching motor, driving gear, driven gear, work piece lifting unit, two tin-plating subassemblies and four pillars, four the pillar is the rectangle and distributes at the top of bottom plate, the top at four pillars is installed to the processing platform, the switching shaft rotates and installs on the processing platform, the switching disc is installed at the top of switching shaft, two tin-plating subassembly symmetry sets up on the switching disc, the bottom at the processing platform is installed to the backup pad, the vertical setting of switching motor is in the backup pad, the driving gear is installed on the output shaft of switching motor, driven gear installs in the bottom of switching shaft to driven gear and driving gear engagement, work piece lifting unit installs at the top of processing platform to the top of work piece lifting unit is located the top of switching disc.

Further, the tinning subassembly includes mount, tinning pond, two stirring parts and a plurality of heating rod, the top at the switching dish is installed to the mount, the tinning pond sets up on the top of mount, a plurality of the equidistant inside bottom in the tinning pond of setting of heating rod, two stirring parts symmetry sets up in the tinning pond to the bottom in two stirring parts extends to the bottom in tinning pond.

Further, stirring part includes L template, stirring motor, chain, two stirring axles and two sprockets, two stirring axles rotate the inside of installing in the tinning pond to the bottom of two stirring axles extends to the outside in tinning pond, two all be equipped with the stirring blade that a plurality of equidistant set up on the stirring axle, two the sprocket is installed respectively in the bottom of two stirring axles, the bottom in tinning pond is installed to the L template, stirring motor is vertical to be set up on the L template to stirring motor's output shaft is connected with one of them stirring axle, the outside at two sprockets is established to the chain cover.

Further, work piece lifting assembly includes base, axis of rotation, rolling disc, rotation motor, first gear, second gear, hydraulic push rod, lifter plate and four fixed part, the base sets up the top at the processing platform, the axis of rotation rotates the top of installing at the base, the top at the axis of rotation is installed to the rolling disc, the vertical top that sets up at the base of rotation motor, first gear is installed on the output shaft of rotation motor, the second gear is installed in the axis of rotation to second gear and first gear engagement, the vertical top center department that sets up at the rolling disc of hydraulic push rod, the lifter plate is installed on hydraulic push rod's output, four fixed part is around the equidistant setting in the outer wall of lifter plate in centre of a circle of lifter plate to one of them fixed part is located the top of switching the dish.

Further, the fixed part comprises a connecting frame, a U-shaped plate, two guide rails and two clamping pieces, wherein the top end of the connecting frame is arranged on the outer wall of the lifting plate, the U-shaped plate is arranged at the bottom end of the connecting frame, the two guide rails are symmetrically arranged at the inner top end of the U-shaped plate, and the two clamping pieces are symmetrically arranged on the U-shaped plate.

Further, the clamping piece comprises a clamping plate and an electric push rod, the clamping plate is slidably mounted on the two guide rails, the electric push rod is horizontally arranged on the outer wall of the U-shaped plate, and the output end of the electric push rod is connected with the clamping plate.

The utility model provides a PCB tinning device through improvement, which has the following improvement and advantages compared with the prior art:

The method comprises the following steps: according to the utility model, the PCB is placed into the workpiece lifting assembly, the workpiece lifting assembly clamps and fixes the PCB, then the workpiece lifting assembly works to drive the PCB therein to move downwards to one of the tin plating assemblies for tin plating, when high-temperature tin materials in the tin plating assemblies are insufficient, the switching motor works to drive the driving gear to rotate, the driving gear drives the switching shaft and the switching disc to rotate by utilizing the driven gear, the switching disc rotates 180 degrees to realize the position exchange of the two tin plating assemblies, the other tin plating assembly is convenient to match with the workpiece lifting assembly to carry out tin plating on the PCB, the tin materials can be added without stopping, and the processing efficiency is improved.

And two,: according to the utility model, the PCB is sequentially placed into the four fixing parts, the four fixing parts clamp and fix the PCB, then the hydraulic push rod works to drive the lifting plate to move downwards, the lifting plate drives the four fixing parts to move downwards, the PCB in the fixing part above the switching plate moves downwards into the tin plating pool, high-temperature tin feed liquid in the tin plating pool carries out tin plating operation on the PCB, after tin plating is completed, the hydraulic push rod works to drive the lifting plate to move upwards for resetting, then the rotary motor works to drive the first gear to rotate, the first gear drives the rotary shaft and the rotary plate to rotate by utilizing the second gear, and the rotary plate rotates 90 degrees to drive the other fixing part to rotate above the switching plate, so that the PCB in the four fixing parts is conveniently and sequentially tinned, and the processing efficiency is improved.

Drawings

The utility model is further explained below with reference to the drawings and examples:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of a second embodiment of the present utility model;

Fig. 3 is a schematic perspective view of a tin plating assembly of the present utility model;

fig. 4 is a schematic perspective view of a tin plating assembly of the present utility model;

Fig. 5 is a schematic view of a partial perspective view of the tin plating assembly of the present utility model;

FIG. 6 is a schematic perspective view of a workpiece lift assembly of the present utility model;

Fig. 7 is a schematic perspective view of a fixing member of the present utility model;

Fig. 8 is a partial perspective view of the fixing member of the present utility model.

Reference numerals illustrate:

The base plate 1, the processing table 2, the switching shaft 21, the switching disk 22, the support plate 23, the switching motor 24, the driving gear 25, the driven gear 26, the workpiece elevating assembly 3, the base 31, the rotating shaft 32, the rotating disk 33, the rotating motor 34, the first gear 35, the second gear 36, the hydraulic push rod 37, the elevating plate 38, the fixing member 39, the connecting frame 391, the u-shaped plate 392, the guide rail 393, the clamping member 394, the clamping plate 395, the electric push rod 396, the tin plating assembly 4, the fixing frame 41, the tin plating bath 42, the stirring member 43, the l-shaped plate 431, the stirring motor 432, the chain 433, the stirring shaft 434, the sprocket 435, the stirring blade 436, the heating rod 44, the pillar 5.

Detailed Description

The following detailed description of the present utility model clearly and fully describes the technical solutions of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a PCB tinning device through improvement, as shown in fig. 1-8, comprising a bottom plate 1, a processing table 2, a switching shaft 21, a switching disc 22, a supporting plate 23, a switching motor 24, a driving gear 25, a driven gear 26, a workpiece lifting assembly 3, two tinning assemblies 4 and four support posts 5, wherein the four support posts 5 are distributed on the top of the bottom plate 1 in a rectangular shape, the processing table 2 is arranged on the top of the four support posts 5, the switching shaft 21 is rotatably arranged on the processing table 2, the switching disc 22 is arranged on the top of the switching shaft 21, the two tinning assemblies 4 are symmetrically arranged on the switching disc 22, the supporting plate 23 is arranged on the bottom of the processing table 2, the switching motor 24 is vertically arranged on the supporting plate 23, the driving gear 26 is arranged on the output shaft of the switching motor 24, the driven gear 26 is arranged on the bottom of the switching shaft 21, the driven gear 26 is meshed with the driving gear 25, the workpiece lifting assembly 3 is arranged on the top of the processing table 2, and the top of the workpiece lifting assembly 3 is positioned above the switching disc 22; through putting into the work piece lifting unit 3 with the PCB board, work piece lifting unit 3 presss from both sides tightly fixedly to the PCB board, then work piece lifting unit 3 work drives wherein the PCB board downwardly moving to one of them tinning subassembly 4 in carry out the tin plating, when the high temperature tin material in this tinning subassembly 4 is not enough, then the operation of switch motor 24 drives driving gear 25 and rotates, driving gear 25 utilizes driven gear 26 to drive switching shaft 21 and switching plate 22 rotation, switching plate 22 rotates 180 and realizes the position to exchange of two tinning subassemblies 4, make things convenient for another tinning subassembly 4 to cooperate work of work piece lifting unit 3 to the PCB board tin plating, need not to stop just can add the tin material, machining efficiency is improved, the practicality is stronger.

Specifically, the tin plating assembly 4 includes a fixing frame 41, a tin plating tank 42, two stirring members 43 and a plurality of heating rods 44, the fixing frame 41 is mounted at the top of the switching plate 22, the tin plating tank 42 is disposed at the top end of the fixing frame 41, the plurality of heating rods 44 are disposed at the bottom end of the tin plating tank 42 at equal intervals, the two stirring members 43 are symmetrically disposed in the tin plating tank 42, and the bottom ends of the two stirring members 43 extend to the bottom of the tin plating tank 42; the high-temperature tin material in the tin plating tank 42 is heated through the plurality of heating rods 44, the temperature of the tin material is ensured, when the work piece lifting assembly 3 works to drive the PCB board therein to move downwards to be immersed in the tin plating tank 42, the two stirring components 43 work synchronously to drive the high-temperature tin material in the tin plating tank 42 to stir, the tin material is convenient to contact with the PCB fully, and the tin plating effect is improved.

Specifically, the stirring component 43 includes an L-shaped plate 431, a stirring motor 432, a chain 433, two stirring shafts 434 and two chain wheels 435, the two stirring shafts 434 are rotatably installed inside the tin plating tank 42, the bottom ends of the two stirring shafts 434 extend to the outside of the tin plating tank 42, a plurality of stirring blades 436 which are arranged at equal intervals are arranged on the two stirring shafts 434, the two chain wheels 435 are respectively installed at the bottom ends of the two stirring shafts 434, the L-shaped plate 431 is installed at the bottom of the tin plating tank 42, the stirring motor 432 is vertically arranged on the L-shaped plate 431, the output shaft of the stirring motor 432 is connected with one of the stirring shafts 434, and the chain 433 is sleeved outside the two chain wheels 435; one stirring shaft 434 is driven to rotate by the operation of the stirring motor 432, the stirring shaft 434 utilizes the chain wheel 435 and the chain 433 to realize the synchronous rotation of the two stirring shafts 434, and then the plurality of stirring blades 436 also rotate to stir the tin liquid in the tin plating tank 42, so that the tin liquid is ensured to be fully contacted with the PCB.

Specifically, the workpiece lifting assembly 3 includes a base 31, a rotating shaft 32, a rotating disc 33, a rotating motor 34, a first gear 35, a second gear 36, a hydraulic push rod 37, a lifting plate 38 and four fixing members 39, the base 31 is disposed at the top of the processing table 2, the rotating shaft 32 is rotatably mounted at the top of the base 31, the rotating disc 33 is mounted at the top of the rotating shaft 32, the rotating motor 34 is vertically disposed at the top of the base 31, the first gear 35 is mounted on an output shaft of the rotating motor 34, the second gear 36 is mounted on the rotating shaft 32, and the second gear 36 is meshed with the first gear 35, the hydraulic push rod 37 is vertically disposed at the top center of the rotating disc 33, the lifting plate 38 is mounted at the output end of the hydraulic push rod 37, the four fixing members 39 are disposed on the outer wall of the lifting plate 38 at equal intervals around the center of the lifting plate 38, and one of the fixing members 39 is located above the switching disc 22; through putting the PCB board into four fixed part 39 in proper order, four fixed part 39 carry out clamping fixation to the PCB board, then hydraulic push rod 37 work drives lifter plate 38 and moves down, lifter plate 38 drives four fixed part 39 and moves down, wherein the PCB board in this fixed part 39 that is arranged in the top of switch plate 22 moves down to tin plating pond 42, high temperature tin feed liquid in the tin plating pond 42 carries out the tin plating operation to the PCB board, hydraulic push rod 37 work drives lifter plate 38 and moves upward and reset after the tin plating is accomplished, then rotation motor 34 work drives first gear 35 rotation, first gear 35 utilizes second gear 36 to drive axis of rotation 32 and rotating disc 33 rotation, rotating disc 33 rotates 90 and drives another fixed part 39 to rotate to the top that is arranged in switch plate 22, conveniently carry out the tin plating to the PCB board in four fixed part 39 in proper order, machining efficiency has been improved.

Specifically, the fixing component 39 includes a connecting frame 391, a U-shaped board 392, two guide rails 393 and two clamping pieces 394, wherein the top end of the connecting frame 391 is mounted on the outer wall of the lifting board 38, the U-shaped board 392 is mounted at the bottom end of the connecting frame 391, the two guide rails 393 are symmetrically arranged at the inner top end of the U-shaped board 392, and the two clamping pieces 394 are symmetrically arranged on the U-shaped board 392; through putting into the top of PCB board between two clamping pieces 394, then two clamping pieces 394 work is pressed from both sides the top of PCB board tightly, ensures that PCB board can not drop at tinning's in-process.

Specifically, the clamping member 394 includes a clamping plate 395 and an electric push rod 396, the clamping plate 395 is slidably mounted on the two guide rails 393, the electric push rod 396 is horizontally disposed on the outer wall of the U-shaped plate 392, and the output end of the electric push rod 396 is connected with the clamping plate 395; the clamping plates 395 are driven to move through the operation of the electric push rods 396, and the clamping plates 395 in the two clamping pieces 394 are close to each other to clamp the top end of the PCB.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. PCB board tinning stack, its characterized in that: including bottom plate (1), processing platform (2), switching shaft (21), switching disc (22), backup pad (23), switch motor (24), driving gear (25), driven gear (26), work piece elevating assembly (3), two tinning subassemblies (4) and four pillar (5), four pillar (5) are the rectangle and distribute at the top of bottom plate (1), processing platform (2) are installed at the top of four pillar (5), switching shaft (21) rotate and are installed on processing platform (2), switching disc (22) are installed at the top of switching shaft (21), two tinning subassemblies (4) symmetry set up on switching disc (22), the bottom at processing platform (2) is installed to backup pad (23), switch motor (24) are vertical to be set up on backup pad (23), driving gear (25) are installed on the output shaft of switching motor (24), driven gear (26) are installed at the bottom of switching shaft (21) to driven gear (26) and driving gear (25) mesh, work piece elevating assembly (3) are located the top of work piece elevating assembly (3) and are located the top of processing platform (2).

2. A PCB board tinning apparatus according to claim 1, characterized in that: tinning subassembly (4) include mount (41), tinning pool (42), two stirring parts (43) and a plurality of heating rod (44), the top at switch plate (22) is installed to mount (41), tinning pool (42) set up the top at mount (41), a plurality of heating rod (44) equidistant setting is in the inside bottom in tinning pool (42), two stirring parts (43) symmetry sets up in tinning pool (42) to the bottom of two stirring parts (43) extends to the bottom in tinning pool (42).

3. A PCB board tinning apparatus according to claim 2, characterized in that: stirring part (43) are including L template (431), stirring motor (432), chain (433), two stirring axle (434) and two sprocket (435), two stirring axle (434) rotate the inside of installing in tin plating pond (42) to the bottom of two stirring axles (434) extends to the outside of tin plating pond (42), two all be equipped with stirring vane (436) of a plurality of equidistant setting on stirring axle (434), two sprocket (435) are installed respectively in the bottom of two stirring axles (434), the bottom in tin plating pond (42) is installed to L template (431), stirring motor (432) are vertical to be set up on L template (431) to the output shaft and one of them stirring axle (434) of stirring motor (432) are connected, the outside at two sprocket (435) is established to chain (433) cover.

4. A PCB board tinning apparatus according to claim 1, characterized in that: the work piece lifting assembly (3) comprises a base (31), a rotating shaft (32), a rotating disc (33), a rotating motor (34), a first gear (35), a second gear (36), a hydraulic push rod (37), a lifting plate (38) and four fixing components (39), wherein the base (31) is arranged at the top of a processing table (2), the rotating shaft (32) is rotationally arranged at the top of the base (31), the rotating disc (33) is arranged at the top of the rotating shaft (32), the rotating motor (34) is vertically arranged at the top of the base (31), the first gear (35) is arranged on an output shaft of the rotating motor (34), the second gear (36) is arranged on the rotating shaft (32), the second gear (36) is meshed with the first gear (35), the hydraulic push rod (37) is vertically arranged at the center of the top of the rotating disc (33), the lifting plate (38) is arranged at the output end of the hydraulic push rod (37), and the four fixing components (39) are arranged on the outer wall (22) of the switching components (38) at equal intervals around the center of the lifting plate (38).

5. A PCB board tinning apparatus according to claim 4, wherein: the fixing part (39) comprises a connecting frame (391), a U-shaped plate (392), two guide rails (393) and two clamping pieces (394), wherein the top end of the connecting frame (391) is arranged on the outer wall of the lifting plate (38), the U-shaped plate (392) is arranged at the bottom end of the connecting frame (391), the two guide rails (393) are symmetrically arranged at the inner top ends of the U-shaped plate (392), and the two clamping pieces (394) are symmetrically arranged on the U-shaped plate (392).

6. A PCB board tinning apparatus according to claim 5, wherein: the clamping piece (394) comprises a clamping plate (395) and an electric push rod (396), wherein the clamping plate (395) is slidably mounted on the two guide rails (393), the electric push rod (396) is horizontally arranged on the outer wall of the U-shaped plate (392), and the output end of the electric push rod (396) is connected with the clamping plate (395).