CN218855820U - Coil tin dipping machine - Google Patents

Abstract

The utility model relates to a coil tin sticky machine, include: and a controller. The feeding device is provided with a plurality of positioning stations for positioning and placing the coils. The tin wetting device comprises a tin melting mechanism and a plurality of tin supply mechanisms, wherein the tin melting mechanism comprises at least one heater and a plurality of tin furnaces, and the heater heats the tin furnaces; the tin supply mechanism adds tin material into the tin furnace. The handling device comprises a moving mechanism and a plurality of grabbing pieces for positioning and grabbing coils, wherein the grabbing pieces are arranged on the moving mechanism, and the moving mechanism drives the grabbing pieces to move; the grabbing pieces correspond to the tin furnaces one by one. The detection discharging device comprises at least one discharging assembly and at least one detection mechanism used for detecting the connection state of a wiring terminal and a copper wire on the coil, and the discharging assembly is matched with the carrying device to discharge the coil from the grabbing piece. The utility model discloses can realize the automatic tin sticky of coil and unload, binding post and copper line can reliably be connected on the coil, and tin layer on binding post surface coating can improve electric conductive property and play the guard action, and the operating efficiency is high.

Description

Coil tin dipping machine

Technical Field

The utility model relates to a coil production facility technical field especially relates to a coil tin sticky machine.

Background

After the coil is automatically wound, the two ends of the copper wire are placed in the clamping seat of the coil framework, then the wiring terminal is assembled, the wiring terminal and the clamping seat are matched to clamp the copper wire, and meanwhile, the electrical connection of the copper wire and the wiring terminal is also realized. In order to ensure reliable connection between the copper wire and the terminal, soldering is usually required to be performed on the connection between the copper wire and the terminal. At present, soldering tin is still accomplished through the manual work, and under the circumstances that coil wire winding has realized automation, manual soldering tin operating efficiency is also on the low side relatively, and the cost of labor is high moreover.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coil tin sticky machine, it can be fixed with the tie point tin sticky of copper line and binding post on the coil automatically, guarantees the reliability of connecting, and efficiency is higher moreover.

In order to achieve the above object, the utility model discloses a coil tin sticky machine, it includes:

the coil positioning device comprises a feeding device, wherein a plurality of positioning stations used for positioning and placing coils are arranged on the feeding device.

The tin dipping device comprises a tin melting mechanism and a plurality of tin supplying mechanisms, wherein the tin melting mechanism comprises at least one heater and a plurality of tin furnaces; the tin supply mechanism is used for adding tin materials into the tin furnace.

The handling device comprises a moving mechanism and a plurality of grabbing pieces for positioning and grabbing coils, wherein the grabbing pieces are arranged on the moving mechanism, and the moving mechanism drives the grabbing pieces to move; the grabbing pieces correspond to the tin furnaces one by one.

The detection discharging device comprises at least one discharging assembly and at least one detection mechanism used for detecting the connection state of a wiring terminal and a copper wire on the coil, and the discharging assembly is matched with the carrying device to discharge the coil from the grabbing piece.

And the controller is connected with the heater, the tin supply mechanism, the moving mechanism, the grabbing piece and the detection mechanism.

Preferably, the feeding device comprises a mould strip and at least two supporting pieces, and the mould strip is inserted at the top ends of the supporting pieces; the die strip is provided with a plurality of placing grooves at equal intervals, one end of each placing groove is provided with a positioning sheet, the other end of each placing groove is provided with a limiting sheet, and the placing grooves, the positioning sheets and the limiting sheets are matched to form a positioning station; the positioning stations correspond to the grabbing pieces one by one, or the number of the positioning stations is even times of the number of the grabbing pieces.

Preferably, the tin supply mechanism corresponds to the tin furnace one by one, the tin supply mechanism comprises a scroll for connecting a tin wire coil with a rotating shaft, a detection sensor for detecting a tin wire, a wire inlet nozzle, a wire feeding assembly and a tin adding pipe, the detection sensor is arranged above the wire inlet nozzle, the wire feeding assembly is arranged below the wire inlet nozzle, and an outlet of the tin adding pipe can be over against a furnace chamber of the tin furnace; the tin wire feeding assembly comprises a mounting seat, a wire feeding motor, a driving wheel and a driven wheel, wherein the driving wheel is in transmission connection with the wire feeding motor, the driven wheel is rotatably connected to the mounting seat, and the driving wheel and the driven wheel are matched to pull out the tin wire from the tin wire coil; the wire feeding motor, the scroll, the detection sensor and the wire inlet nozzle are all arranged on the mounting seat; the detection sensor and the wire feeding motor are connected with the controller.

Preferably, the tin furnace further comprises a tin scraping mechanism, the tin scraping mechanism comprises a transverse tin scraping assembly and/or a longitudinal tin scraping assembly, and the tin furnaces are arranged in a row at intervals; the transverse tin scraping assembly comprises a transverse cylinder and a transverse tin scraping plate, the transverse cylinder drives the transverse tin scraping plate to sequentially pass through the tin furnaces, a transverse tin scraping groove matched with the tin furnaces is formed in the transverse tin scraping plate, and the transverse cylinder is connected with the controller; vertical tin scraping assembly includes mounting panel, an at least vertical cylinder and a plurality of vertical tin scraping plate, vertically scrape tin plate and tin stove one-to-one and fix on the mounting panel, vertically scrape be equipped with on the tin plate with the vertical tin groove of scraping of tin stove looks adaptation, the relative tin stove of vertical cylinder drive mounting panel removes, vertical cylinder connection director.

Preferably, the transverse cylinder and the longitudinal cylinder are arranged on the same side of the tin furnace; the tin scraping mechanism further comprises a fixed seat, at least one lifting cylinder, at least one sliding block and at least one sliding rail, wherein the sliding blocks correspond to the sliding rails one to one, and the sliding blocks are connected to the sliding rails in a sliding manner; the sliding block and the transverse cylinder are fixed on the fixed seat, and the lifting cylinder drives the fixed seat to move up and down; the mounting plate and the mounting seat are fixedly connected with the sliding rail, and the tinning pipe is arranged on the mounting plate; the lifting cylinder is connected with the controller.

Preferably, the tin melting mechanism further comprises a heat conducting piece and a heat preservation cover, the tin furnace is integrally formed or fixedly connected on the heat conducting piece, mounting grooves corresponding to the tin furnace one to one are formed in the heat conducting piece, and the heaters are arranged in the mounting grooves; the heat-insulating cover covers the outer part of the heat-conducting piece, and the tin furnace extends out of the heat-insulating cover.

Preferably, the moving mechanism comprises a three-axis moving platform, a first rotating assembly and a second rotating assembly; the first rotating assembly comprises a first mounting frame, a second mounting frame and a first motor, and the three-axis moving platform drives the first mounting frame to move; the second mounting frame is rotatably connected to the first mounting frame, and the first motor is fixed on the first mounting frame and drives the second mounting frame to rotate; the second rotating assembly comprises a second motor and roller shafts which correspond to the grabbing pieces one by one, and the grabbing pieces are arranged on the roller shafts; the roll shafts are rotatably connected to the second mounting frame, every two adjacent roll shafts are in transmission connection and rotate synchronously, and the second motor is fixed on the second mounting frame and is in transmission connection with any roll shaft; the three-axis moving platform, the first motor and the second motor are connected with the controller.

Preferably, the detection mechanisms correspond to the grabbing pieces one by one, or the number of the grabbing pieces is even times of that of the detection mechanisms; the detection mechanisms correspond to the discharging assemblies one by one; the detection mechanism comprises a probe assembly and a resistance measurement element, the probe assembly is connected with the resistance measurement element, and the resistance measurement element is connected with the controller; the discharging assembly comprises a discharging cylinder and a discharging shifting fork, the discharging cylinder drives the discharging shifting fork to move horizontally, and the discharging cylinder is connected with the controller.

Preferably, still include the transfer chain of unloading and collect the box, the transfer chain of unloading sets up in detecting discharge apparatus one side, just the cylinder of unloading can promote the fork of unloading directly over to the transfer chain of unloading, the exit position of transfer chain of unloading is arranged in to the collection box.

Preferably, the soldering flux tin also comprises a soldering flux groove arranged close to the tin furnace.

The utility model discloses following beneficial effect has:

the utility model discloses a coil is placed in location station location on the feedway for the coil can be snatched by handling device with unified gesture, guarantees that the coil that is snatched can carry out the tin sticky operation in step. The grabbing pieces correspond to the tin furnaces one by one, the caliber of the tin furnaces can be set to be very small, the heating speed is high, the non-tin-sticking area of the coil can be prevented from being stained with tin liquid, the normal use of the coil is ensured, and the waste of the tin liquid is reduced; the connecting point of the connecting terminal on the coil and the copper wire can be immersed in the tin liquid, so that reliable connection between the connecting terminal and the copper wire can be ensured. After the coil is stained with tin, the connection state of the wiring terminal and the copper wire on the coil can be detected through the detection mechanism, and the connection reliability is guaranteed. Coil can be unloaded through the subassembly of unloading and handling device cooperation, and handling device can snatch the coil once more and carry out the tin sticky. The utility model discloses only need regularly to supplement the automatic tin sticky and unload that the coil can be accomplished to the coil on the feedway, binding post and copper line can reliably be connected on the coil, and tin coating on binding post surface, can improve electric conductive property and play the guard action. Furthermore, the utility model discloses can carry out the tin sticky operation of multiunit coil simultaneously, tin sticky, detection run through, and the operating efficiency is high.

Drawings

Fig. 1 is a schematic view of the present invention.

Fig. 2 is a schematic view of another view angle of the present invention.

Fig. 3 is a schematic view of the handling device.

Fig. 4 is a schematic view of another perspective of the carrying device.

Fig. 5 is a schematic view of a feeding device.

Fig. 6 is a schematic view of another perspective of the feeding device.

Fig. 7 is a schematic view of a wicking apparatus.

Fig. 8 is a schematic view of a tin melting mechanism and a tin scraping mechanism.

Fig. 9 is a schematic view of a tin supply mechanism.

Fig. 10 is a schematic view of the detection unloading device.

Description of the main part symbols:

an equipment platform 10;

the device comprises a carrying device 20, an X-axis linear moving module 2111, a Y-axis linear moving module 2112, a Z-axis linear moving module 2113, a moving motor 2114, a screw 2115, a mould frame 2116, a guide rail 2117, a first mounting frame 2121, a second mounting frame 2122, a first motor 2123, a second motor 2131, a roller shaft 2132 and a grabbing piece 22;

the feeding device 30, the supporting piece 31, the die strip 32, the placing groove 321, the positioning piece 322 and the limiting piece 323;

the tin dipping device 40, the heat conducting piece 411, the mounting groove 4111, the tin furnace 412, the heat preservation cover 413, the tin supply mechanism 42, the reel 421, the detection sensor 422, the wire inlet 423, the mounting seat 4241, the wire feeding motor 4242, the driving wheel 4243, the driven wheel 4244, the tin feeding pipe 425, the transverse cylinder 4311, the transverse tin scraping plate 4312, the mounting plate 4321, the longitudinal cylinder 4322, the longitudinal tin scraping plate 4323, the fixing seat 433, the lifting cylinder 434, the sliding block 435, the sliding rail 436 and the tin ash box 44;

a flux groove 50;

the device comprises a detection discharging device 60, a probe assembly 611, a discharging cylinder 621, a discharging shifting fork 622, a discharging conveying line 63 and a collecting box 64;

a coil 70, a connection terminal 71;

a coil of tin wire 80.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

As shown in fig. 1-10, the utility model discloses a coil 70 tin sticky machine, it includes: the device comprises a controller, a feeding device 30, a tin wetting device 40, a carrying device 20, a detection discharging device 60 and a soldering flux groove 50, wherein the controller is a PLC (programmable logic controller). In the device, a feeding device 30, a detection discharging device 60, a soldering flux tank 50 and a tin pick-up device 40 are sequentially arranged. The carrying device 20 includes a moving mechanism and a plurality of grasping members 22, the moving mechanism drives the grasping members 22 to grasp the coil 70 from the feeding device 30, dip the coil 70 in the soldering flux from the soldering flux tank 50, dip the coil 70 in the tin dipping device 40, and detect the tin dipping effect from the discharging device 60 and discharge the coil, which is a work cycle.

Specifically, the moving mechanism comprises a three-axis moving platform, a first rotating assembly and a second rotating assembly; the three-axis moving platform is a prior art, and includes an X-axis linear moving module 2111, a Y-axis linear moving module 2112 and a Z-axis moving module, in this case, the X-axis linear moving module 2111 drives the Z-axis linear moving module 2113 to move, and the Z-axis linear moving module 2113 drives the Y-axis moving module to move. The X-axis linear moving module 2111, the Y-axis linear moving module 2112 and the Z-axis moving module respectively comprise a moving motor 2114, a screw 2115, a mold frame 2116 and a guide rail 2117, the moving motor 2114 drives the screw 2115 to rotate, the screw 2115 is parallel to the guide rail 2117, and the guide rail 2117 is fixedly arranged; the mold frame 2116 is slidably connected to the guide rail 2117, and the mold frame 2116 is also threadedly connected to the screw 2115. A moving motor 2114 and a guide rail 2117 of the X-axis linear movement module 2111 are fixed to the equipment table 10, a moving motor 2114 and a guide rail 2117 of the Z-axis linear movement module 2113 are fixed to a mold frame 2116 of the X-axis linear movement module 2111, and a moving motor 2114 and a guide rail 2117 of the Y-axis linear movement module 2112 are fixed to a mold frame 2116 of the Z-axis linear movement module 2113.

The first rotating assembly comprises a first mounting bracket 2121, a second mounting bracket 2122 and a first motor 2123, the first mounting bracket 2121 is connected with the mold frame 2116 of the Y-axis linear movement module 2112, and the three-axis moving platform drives the first mounting bracket 2121 to move. The second mounting bracket 2122 is rotatably connected to the first mounting bracket 2121, the first motor 2123 is fixed to the first mounting bracket 2121, an output shaft of the first motor 2123 is belt-connected to the second mounting bracket 2122, and the second mounting bracket 2122 is driven to rotate by the first motor 2123. The second rotating assembly includes a second motor 2131 and roller shafts 2132 corresponding to the grippers 22 one to one, and the grippers 22 are provided on end sides of the roller shafts 2132. The roller shafts 2132 are rotatably connected to the second mounting frame 2122, every two adjacent roller shafts 2132 are in transmission connection through a belt, all the roller shafts 2132 keep synchronous rotation, and the second motor 2131 is fixed to the second mounting frame 2122 and is in transmission connection with any one of the roller shafts 2132, so that the second motor 2131 drives all the roller shafts 2132 to synchronously rotate. The movement motor 2114, the first motor 2123 and the second motor 2131 are all connected to the controller.

The grasping element 22 need only be capable of grasping the coil 70, for example, the grasping element 22 can be an inflatable shaft that can be inflated to connect with a central opening of the bobbin of the coil 70, and the inflatable shaft is controlled by a controller.

The feeding device 30 comprises a mold strip 32 and two supporting members 31, the supporting members 31 are fixed on the equipment platform 10, and the mold strip 32 is inserted into the top ends of the supporting members 31 for convenient replacement. A plurality of placing grooves 321 are arranged on the die strip 32 at equal intervals, one end of each placing groove 321 is provided with a positioning piece 322 for positioning the wiring terminal 71 on the coil 70, the other end of each placing groove is provided with a limiting piece 323, the limiting pieces 323 are provided with through holes for the air supply expansion shafts to pass through, the placing grooves 321, the positioning pieces 322 and the limiting pieces 323 are matched to form a positioning station, and the coil 70 is positioned and placed in the positioning station and placed in a uniform posture. All the positioning pieces 322 may be integrated into one piece, and all the limiting pieces 323 may be integrated into one piece, so as to facilitate installation. The positioning stations correspond to the gripper members 22 one to one, or the number of positioning stations is an even multiple of the number of gripper members 22, in which case the latter is preferred, and thus a single die strip 32 can be used for a plurality of operating cycles. In the actual use process, can add a plurality of mould strips 32, the coil 70 that automatic winding was accomplished can directly be put things in good order on mould strip 32 to be convenient for the material supply and be convenient for the linking of two processes. When the utility model is used, the mould strip 32 loaded with the coil 70 is directly replaced, the operation is convenient and fast, and the operation amount is small.

The tin pick-up device 40 comprises a tin melting mechanism, a tin scraping mechanism and a plurality of tin supply mechanisms 42. The tin melting mechanism includes a heat conducting member 411, a heat insulating cover 413, at least one heater, and a plurality of tin furnaces 412, wherein the tin furnaces 412 are integrally formed on the heat conducting member 411 to facilitate heat conduction, and of course, the tin furnaces 412 may be fixedly connected to the heat conducting member 411. The solder machines 412 are arranged in a row on the heat-conducting member 411 at equal intervals, and the solder machines 412 correspond to the grasping members 22 one by one, so that the coils 70 grasped by the grasping members 22 can be stained with solder synchronously. On heat-conducting piece 411 and be located tin stove 412 the below and be provided with mounting groove 4111, mounting groove 4111 and tin stove 412 one-to-one, the heater is arranged in mounting groove 4111, this setting, and heater and tin stove 412 one-to-one guarantee that every tin stove 412 can both effectively heat, and the temperature rise is also faster. Of course, one heater may correspond to a plurality of solder furnaces 412. The heat-insulating cover 413 covers the outside of the heat-conducting member 411 to perform the heat-insulating function, which is beneficial to energy saving, and the tin furnace 412 extends out of the heat-insulating cover 413.

The tin supply mechanism 42 is used for adding tin materials into the tin furnace 412, and in the present case, the tin materials are tin wires which are generally wound into coils, so that the volume is small and continuous feeding is facilitated. The tin supply mechanism 42 preferably corresponds to the tin furnace 412 one to avoid turbulence. The tin supply mechanism 42 includes a reel 421, a detection sensor 422, a wire feeding nozzle 423, a wire feeding assembly and a tin adding pipe 425. The wire feed assembly includes a mount 4241, a wire feed motor 4242, a drive wheel 4243 and a driven wheel 4244. The reel 421 is disposed at the uppermost end of the mounting seat 4241, and the tin wire roll 80 is rotatably connected to the reel 421, so that the tin wire roll 80 can rotate. A detecting sensor 422 is disposed below the winding shaft 421, the tin wire passes through the detecting sensor 422 to detect whether the tin wire is used up, the detecting sensor 422 is a metal sensor, such as an oscillator sensor, and the detecting sensor 422 is connected to the controller. The wire feeding mouth 423 is located below the detection sensor 422 and above the wire feeding assembly and used for limiting the position and guiding of the tin wire, so that the tin wire can enter the wire feeding assembly and is convenient to drag the tin wire. The driving wheel 4243 is in transmission connection with a wire feeding motor 4242, the wire feeding motor 4242 drives the driving wheel 4243 to rotate, and the wire feeding motor 4242 is connected with a controller. The driven wheel 4244 is rotatably connected to the mounting seat 4241, and the driving wheel 4243 and the driven wheel 4244 are matched to pull the tin wire from the tin wire roll 80. The wire feeding motor 4242, the detection sensor 422 and the wire inlet nozzle 423 are all arranged on the mounting seat 4241. When it is desired to add tin to the tin furnace 412, the outlet of the tin adding tube 425 is required to be aligned with the furnace chamber of the tin furnace 412, and during the non-tin adding period, the tin adding tube 425 may be disposed elsewhere.

The tin scraping mechanism comprises a transverse tin scraping component, a longitudinal tin scraping component, a fixing seat 433, at least one lifting cylinder 434, at least one sliding block 435 and at least one sliding rail 436, wherein the lifting cylinder 434 is connected with the controller. The pedestal of lifting cylinder 434 is fixed on equipment platform 10, and lifting cylinder 434's push rod is connected with fixing base 433, and lifting cylinder 434 promotes fixing base 433 and reciprocates, and lifting cylinder 434 connects the controller. The sliding blocks 435 correspond to the sliding rails 436 one by one, the sliding blocks 435 are fixed on the fixed base 433, and the sliding rails 436 are fixedly connected with the sliding blocks 435. The mount 4241 is fixed to the slide rail 436, and a bracket may be fixed to the slide rail 436 to fix the mount 4241.

The transverse tin scraping assembly comprises a transverse cylinder 4311 and a transverse tin scraping plate 4312, and the transverse cylinder 4311 is connected with a controller. The transverse cylinder 4311 drives the transverse tin scraping plates 4312 to sequentially pass through the tin furnaces 412, transverse tin scraping grooves matched with the tin furnaces 412 are formed in the transverse tin scraping plates 4312, the longitudinal tin scraping assembly comprises a mounting plate 4321, at least one longitudinal cylinder 4322 and a plurality of longitudinal tin scraping plates 4323, the longitudinal tin scraping plates 4323 correspond to the tin furnaces 412 one by one and are fixed on the mounting plate 4321, the longitudinal tin scraping grooves matched with the tin furnaces 412 are formed in the longitudinal tin scraping plates 4323, the longitudinal cylinder 4322 drives the mounting plate 4321 to move relative to the tin furnaces 412, and the longitudinal cylinder 4322 is connected with the controller. A tin ash box 44 for collecting tin ash may be provided at an edge position of the heat conductive member 411. In the scheme, the transverse cylinder 4311 and the longitudinal cylinder 4322 are required to be arranged on the same side of the tin furnace 412, the transverse cylinder 4311 and the longitudinal cylinder 4322 do not work simultaneously to avoid collision, and before the transverse cylinder 4311 acts, the lifting cylinder 434 jacks up the mounting plate 4321 to avoid the longitudinal tin scraping plate 4323 interfering with the action of the transverse tin scraping plate 4312. The mounting plate 4321 is fixed on the slide rail 436, and the tinning tube 425 can be placed on the mounting plate 4321, so that the position of the tinning tube 425 is fixed relative to the wire feeding assembly, and the phenomenon that the tin wire is dragged due to the action of the lifting cylinder 434 or the longitudinal cylinder 4322 is avoided. After the arrangement, the tin wetting device 40 is relatively compact, which is beneficial to the miniaturization of the whole equipment. By scraping tin in both the transverse and longitudinal directions, tin ash on the outer surface of the tin furnace 412 can be scraped more thoroughly. Of course, it is also possible to leave only the transverse wiping assembly or only the longitudinal wiping assembly, in which case the lifting cylinder can be eliminated.

The flux groove 50 is used for holding flux, and the flux groove 50 may be an elongated groove. The flux groove 50 is preferably located adjacent to the solder pot 412. After grabbing the coil 70 from the feeding device 30, the carrying device 20 moves to the soldering flux groove 50 first, so that the soldering flux is dipped in the wiring terminal 71 and the end of the copper wire on the coil 70, and then the tin is stained in the tin furnace 412, so that the tin liquid can be effectively attached to the wiring terminal 71 and the end of the copper wire on the coil 70, and the connection reliability is guaranteed.

The detecting and discharging device 60 comprises a discharging and conveying line 63, a collecting box 64, at least one discharging assembly and at least one detecting mechanism for detecting the connection state of the connecting terminal 71 on the coil 70 and the copper wire, wherein the discharging assembly is matched with the handling device 20 to discharge the coil 70 from the grabbing piece 22. In order to improve the working efficiency, the detecting mechanisms correspond to the gripping members 22 one by one, or the number of the gripping members 22 is even times of that of the detecting mechanisms, and generally, the number of the gripping members 22 is not more than twice of that of the detecting mechanisms. The detection mechanisms correspond to the discharging assemblies one by one.

The detection mechanism includes a probe assembly 611 and a resistance measuring element, the probe assembly 611 being connected to the resistance measuring element, and the resistance measuring element being connected to the controller. The number of probes of the probe assembly 611 is the same as that of the connecting terminals 71 on the coil 70 (two), and the connection quality between the connecting terminals 71 and the copper wire can be determined by detecting the resistance between the two connecting terminals 71 on the coil 70, so that the factory quality of the coil 70 is ensured.

The subassembly of unloading includes the cylinder 621 of unloading and the fork 622 of unloading, and the cylinder 621 of unloading drives the fork 622 horizontal migration of unloading, and the cylinder 621 of unloading is connected with the controller. The discharging conveying line 63 is arranged on one side of the detecting discharging device 60, the discharging cylinder 621 can push the discharging shifting fork 622 to the position right above the discharging conveying line 63, and the collecting box 64 is arranged at the outlet position of the discharging conveying line 63. After the coil 70 tin dipping is finished, the carrying device 20 moves the coil 70 to the detection mechanism for detection, and after the detection is finished, the coil 70 is moved to the position right above the discharging conveying line 63, the discharging cylinder 621 of the corresponding position of the coil extends out for detecting qualified products, the corresponding air inflation shaft stops air inflation, the grabbing piece 22 moves upwards, the coil 70 is blocked by the discharging shifting fork 622, and the coil 70 drops off the discharging conveying line 63 and is conveyed to the qualified product collecting box 64. After the qualified products are unloaded, the grabbing member 22 moves downwards again, meanwhile, the unloading conveying line 63 conveys reversely, and the unloading cylinder 621 at the corresponding position of the unqualified products extends out, so that the unloading shifting fork 622 is matched with the conveying device 20 to unload the unqualified products onto the unloading conveying line 63 and fall into the unqualified product collecting box 64.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims (10)

1. A coil tinning machine, comprising:

the coil positioning device comprises a feeding device, a coil positioning device and a coil positioning device, wherein a plurality of positioning stations for positioning and placing coils are arranged on the feeding device;

the tin dipping device comprises a tin melting mechanism and a plurality of tin supplying mechanisms, wherein the tin melting mechanism comprises at least one heater and a plurality of tin furnaces; the tin supply mechanism is used for adding tin materials into the tin furnace;

the handling device comprises a moving mechanism and a plurality of grabbing pieces for positioning and grabbing coils, wherein the grabbing pieces are arranged on the moving mechanism, and the moving mechanism drives the grabbing pieces to move; the grabbing pieces correspond to the tin furnaces one by one;

the coil unloading device comprises at least one unloading assembly and at least one detection mechanism for detecting the connection state of a wiring terminal and a copper wire on the coil, wherein the unloading assembly is matched with the carrying device to unload the coil from the grabbing piece;

and the controller is connected with the heater, the tin supply mechanism, the moving mechanism, the grabbing piece and the detection mechanism.

2. The coil tinning machine of claim 1, characterized in that: the feeding device comprises a mould strip and at least two supporting pieces, and the mould strip is inserted at the top ends of the supporting pieces; the die strip is provided with a plurality of placing grooves at equal intervals, one end of each placing groove is provided with a positioning sheet, the other end of each placing groove is provided with a limiting sheet, and the placing grooves, the positioning sheets and the limiting sheets are matched to form a positioning station; the positioning stations correspond to the grabbing pieces one by one, or the number of the positioning stations is even times of that of the grabbing pieces.

3. The coil tinning machine of claim 1, characterized in that: the tin supply mechanism is in one-to-one correspondence with the tin furnace, the tin supply mechanism comprises a scroll for connecting a tin wire coil through a rotating shaft, a detection sensor for detecting a tin wire, a wire inlet nozzle, a wire feeding assembly and a tin adding pipe, the detection sensor is arranged above the wire inlet nozzle, the wire feeding assembly is arranged below the wire inlet nozzle, and an outlet of the tin adding pipe can be over against a furnace chamber of the tin furnace; the wire feeding assembly comprises a mounting seat, a wire feeding motor, a driving wheel and a driven wheel, the driving wheel is in transmission connection with the wire feeding motor, the driven wheel is rotatably connected to the mounting seat, and the driving wheel and the driven wheel are matched to pull out the tin wire from the tin wire coil; the wire feeding motor, the scroll, the detection sensor and the wire inlet nozzle are all arranged on the mounting seat; the detection sensor and the wire feeding motor are connected with the controller.

4. The coil tinning machine of claim 3, wherein: the tin furnace is characterized by also comprising a tin scraping mechanism, wherein the tin scraping mechanism comprises a transverse tin scraping assembly and/or a longitudinal tin scraping assembly, and the tin furnaces are arranged in a row at intervals; the transverse tin scraping assembly comprises a transverse cylinder and a transverse tin scraping plate, the transverse cylinder drives the transverse tin scraping plate to sequentially pass through the tin furnaces, a transverse tin scraping groove matched with the tin furnaces is formed in the transverse tin scraping plate, and the transverse cylinder is connected with the controller; the vertical tin scraping component comprises a mounting plate, at least one vertical cylinder and a plurality of vertical tin scraping plates, the vertical tin scraping plates are in one-to-one correspondence with the tin furnace and fixed on the mounting plate, a vertical tin scraping groove matched with the tin furnace is formed in each vertical tin scraping plate, the vertical cylinder drives the mounting plate to move relative to the tin furnace, and the vertical cylinder is connected with the controller.

5. The coil tinning machine of claim 4, wherein: the transverse cylinder and the longitudinal cylinder are arranged on the same side of the tin furnace; the tin scraping mechanism further comprises a fixed seat, at least one lifting cylinder, at least one sliding block and at least one sliding rail, wherein the sliding blocks correspond to the sliding rails one to one, and the sliding blocks are connected to the sliding rails in a sliding mode; the sliding block and the transverse cylinder are fixed on the fixed seat, and the lifting cylinder drives the fixed seat to move up and down; the mounting plate and the mounting seat are both fixedly connected with the sliding rail, and the tinning pipe is arranged on the mounting plate; the lifting cylinder is connected with the controller.

6. The coil tinning machine of claim 1, characterized in that: the tin melting mechanism also comprises a heat conducting piece and a heat preservation cover, the tin furnace is integrally formed or fixedly connected on the heat conducting piece, mounting grooves which correspond to the tin furnace one by one are formed in the heat conducting piece, and the heater is arranged in the mounting grooves; the heat preservation cover covers the outside of the heat conducting piece, and the tin furnace extends out of the heat preservation cover.

7. The coil tinning machine of claim 1, characterized in that: the moving mechanism comprises a three-axis moving platform, a first rotating assembly and a second rotating assembly; the first rotating assembly comprises a first mounting frame, a second mounting frame and a first motor, and the three-axis moving platform drives the first mounting frame to move; the second mounting frame is rotatably connected to the first mounting frame, and the first motor is fixed on the first mounting frame and drives the second mounting frame to rotate; the second rotating assembly comprises a second motor and roller shafts which correspond to the grabbing pieces one by one, and the grabbing pieces are arranged on the roller shafts; the roll shafts are rotatably connected to the second mounting frame, every two adjacent roll shafts are in transmission connection and synchronously rotate, and the second motor is fixed on the second mounting frame and is in transmission connection with any roll shaft; the three-axis moving platform, the first motor and the second motor are connected with the controller.

8. The coil tinning machine of claim 1, characterized in that: the detection mechanisms correspond to the grabbing pieces one by one, or the number of the grabbing pieces is even times that of the detection mechanisms; the detection mechanisms correspond to the discharging assemblies one by one; the detection mechanism comprises a probe assembly and a resistance measurement element, the probe assembly is connected with the resistance measurement element, and the resistance measurement element is connected with the controller; the discharging assembly comprises a discharging cylinder and a discharging shifting fork, the discharging cylinder drives the discharging shifting fork to move horizontally, and the discharging cylinder is connected with the controller.

9. The coil tinning machine of claim 8, wherein: still including the transfer chain of unloading and collecting the box, the transfer chain setting of unloading is detecting discharge apparatus one side, just the cylinder of unloading can promote the shift fork of unloading to the transfer chain of unloading directly over, the exit position of the transfer chain of unloading is arranged in to the collection box.

10. The coil tinning machine of claim 1, characterized in that: the soldering flux tin furnace also comprises a soldering flux groove arranged close to the tin furnace.

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