CN107350586B - VCM motor spring plate laser soldering assembly machine and soldering method thereof - Google Patents
VCM motor spring plate laser soldering assembly machine and soldering method thereof Download PDFInfo
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- CN107350586B CN107350586B CN201710647224.5A CN201710647224A CN107350586B CN 107350586 B CN107350586 B CN 107350586B CN 201710647224 A CN201710647224 A CN 201710647224A CN 107350586 B CN107350586 B CN 107350586B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/005—Soldering by means of radiant energy
- B23K1/0056—Soldering by means of radiant energy soldering by means of beams, e.g. lasers, E.B.
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/06—Solder feeding devices; Solder melting pans
- B23K3/0607—Solder feeding devices
- B23K3/063—Solder feeding devices for wire feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
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- Optics & Photonics (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention relates to the technical field of motor negotiation welding, in particular to a laser soldering tin assembling machine for a spring plate of a VCM (voice coil motor), which comprises a workpiece conveying mechanism, a tin feeding and soldering mechanism and a gas protection device, wherein a sealing plate covers a motor spring plate assembly on a lifted jig to form a sealing space, and a soldering method comprises the following steps: (1) loading and sealing a jig; (2) clamping and filling the solder wires: (3) gas shielded welding; and (4) releasing the jig. The small solder wires are clamped by the solder feeding mechanism and placed in the feed hole on the sealing plate, nitrogen is introduced into the sealed space in the welding process, nitrogen airflow passing through the sealed space from top to bottom is formed, and oxidation of a welding point caused by oxygen mixed in the welding process is avoided; the detachable soldering tin funnel is installed at the feeding hole on the sealing plate, and the soldering tin funnel is periodically cleaned through the funnel cleaning mechanism, so that the soldering tin funnel is prevented from being blocked to cause interruption of welding operation.
Description
Technical Field
The invention relates to the technical field of motor negotiation welding, in particular to a VCM motor spring plate laser soldering tin assembling machine and a soldering tin method thereof.
Background
Assembling a coil, an elastic sheet and a lower cover of the VCM motor coil, wherein the assembling process comprises the steps of fixing the coil in a positioning jig, installing the elastic sheet in the coil, fixing the elastic sheet on the coil at the individual position of the elastic sheet in a dispensing mode, and soldering tin at the individual position between the coil and the elastic sheet; and finally, mounting the lower cover on the elastic sheet and fixing the lower cover in a dispensing manner. In particular, the work of welding the elastic sheets has high requirements on the precision, and the oxidation of a welding point in the welding process is also avoided.
Based on the above problems, the invention provides a VCM motor spring plate laser soldering tin assembling machine and a soldering tin method thereof. The motor shell fragment subassembly welding process is used for realizing batch welding operation of the motor shell fragment subassembly, and the welding point is prevented from being oxidized while the soldering tin joint efficiency is improved.
Disclosure of Invention
The invention aims to provide a laser soldering assembly machine for a spring plate of a VCM motor and a soldering method thereof aiming at the defects of the prior art.
In order to solve the above problems, the present invention provides the following technical solutions:
the utility model provides a VCM motor shell fragment laser soldering kludge, including work piece conveying mechanism and send tin soldering mechanism and gas protection device, work piece conveying mechanism is including the conveyer belt and move on this conveyer belt and be used for bearing the tool of treating welding motor shell fragment subassembly, send tin soldering mechanism to set up the side in conveyer belt direction of delivery, should send tin soldering mechanism to be equipped with the laser head and send tin mechanism, the laser head sets up the top at the conveyer belt through a cantilever, the below that is located the laser head on the conveyer belt is provided with the tool and lifts the device, the tool lifts the device setting in the below of conveyer belt and is located the laser head under, gas protection device includes the closing plate, gas blowing device and getter device, the closing plate passes through support fixed mounting on the conveyer belt, the closing plate covers the motor shell fragment subassembly on the tool that is lifted in order to form a sealed space, the closing plate is provided with and communicates with sealed space and is located the feed port directly over the soldering point, gas blowing device is equipped with the gas blow-in pipe that extends to the feed port top in order to blow in sealed space, be equipped with the tool intercommunication and be located directly below the soldering point, the suction port that the tool is equipped with the tool is installed on the tool, the suction nozzle is equipped with the suction port that the tool.
Preferably, the tin feeding mechanism comprises a solder wire placing frame, a solder wire conveying device and a solder material feeding device, the solder wire conveying device comprises a feeding pipeline and a feeding roller set, the feeding pipeline comprises a first feeding pipeline and a second feeding pipeline which are arranged in parallel to the conveying belt, the coiled solder wire is placed on the solder wire placing frame, the solder wire sequentially passes through the first feeding pipeline, the feeding roller set and the second feeding pipeline in advance, the feeding roller set is used for driving the solder wire to finally pass out of the discharging end of the second feeding pipeline, the solder material feeding device comprises a material taking air cylinder and a feeding air cylinder, the material taking air cylinder is vertically arranged above the discharging end of the second feeding pipeline, a clamp used for clamping the welding materials passing out of the discharging end of the second feeding pipeline is mounted at the output end of the material taking air cylinder, the feeding air cylinder is horizontally arranged and perpendicular to the conveying direction of the conveying belt, the material taking air cylinder is fixedly mounted at the output end of the feeding air cylinder, and the feeding air cylinder is used for pushing the material taking air cylinder clamping the small welding materials to the position right above the feeding hole; tin silk conveyor is still including setting up the fender material piece in the discharge end the place ahead of second conveying pipeline, should keep off and be equipped with between the discharge end of material piece and play silk pipe and get the material clearance, and a small amount of solder wires receive after wearing out from the discharge end of second conveying pipeline and keep off the material piece and block, expose a part solder wires of the discharge end of second conveying pipeline and constitute the welding materials of waiting to take.
Preferably, the conveyer belt includes direction support rail, pay-off conveyer belt and conveyer belt driving motor, and direction support rail is including the bracket that is used for lifting the tool and install the spacing gib block in bracket upper end both sides, the pay-off conveyer belt is provided with two, and two pay-off conveyer belts interval sets up the inboard at two spacing gib blocks, and two pay-off conveyer belts are connected with the transmission of drive belt driving motor transmission, tool lifting device is including reaching the shelves post, lifting support plate, first lift cylinder and second lift cylinder, reaches the shelves post and installs the output at first lift cylinder and vertically upwards extend, and lifting support plate is the output of horizontal state and installs at the output of second lift cylinder, offers on the direction support rail and supplies to reach the shelves post and lifting support plate to pass and dodge the hole, and under the initial condition, the up end that reaches the shelves post is higher than the conveying surface of pay-off conveyer belt to the up end of lifting support plate is lower than the conveying surface of pay-off conveyer belt, and the shelves post that reaches the position to the tool that will be carried by the conveyer belt stops and make its sealing plate just under the sealing plate, and after the tool is pointed in place, the second lift cylinder drives lifting support plate to make its sealing plate to hug closely.
Preferably, still install tool positioner on the conveyer belt, this tool positioner includes first location cylinder and second location cylinder, first location cylinder and second location cylinder pass through support and direction support rail fixed connection, the equal level setting of first location cylinder and second location cylinder, the main part of tool is square structure, first location cylinder and second location cylinder are the diagonal angle setting for hugging closely the tool of closing plate below, the grip block is all installed to the output of first location cylinder and second location cylinder, the anterior segment of two grip blocks all be provided with tool turning complex right angle breach.
Preferably, the feed port is funnel shape hole, installs detachable soldering tin funnel on this funnel shape hole, and the conveyer belt side is provided with and is used for demolising the soldering tin funnel from the closing plate and carry out abluent wiper mechanism, wiper mechanism is including funnel mobile device and funnel belt cleaning device, and funnel mobile device is provided with demolishs the soldering tin funnel on the closing plate and removes to funnel belt cleaning device department and carry out abluent funnel clamp and get the cylinder, and funnel belt cleaning device is equipped with top-down and cuts the cleaning rod of rubbing soldering tin funnel inner wall and the sponge that is used for rubbing soldering tin funnel lower extreme with the piece, and the sponge adsorbs there is the cleaning solution.
Preferably, the funnel mobile device sets up the other one side of mutually confronting with send tin soldering mechanism of conveyer belt, the funnel mobile device is including the third lift cylinder of vertical setting and install the revolving cylinder on this third lift cylinder output, the vertical setting of revolving cylinder's output axis, the swinging boom that the level set up is installed to revolving cylinder's output, the front end at this swinging boom is installed to the funnel clamp, revolving cylinder drive swinging boom is rotatory to make the funnel press from both sides the air clamp of getting the cylinder be located the soldering tin funnel directly over on the closing plate, the soldering tin funnel on the closing plate is got by the funnel clamp cylinder clamp to the decline back of third lift cylinder drive swinging boom, revolving cylinder drive swinging boom is rotatory afterwards, it washs to move funnel belt cleaning device department with the soldering tin funnel.
Preferably, the funnel cleaning device is provided with a cleaning rod driving device and a sponge driving device, the sponge driving device comprises a sponge box, a sponge box transverse driving device and a sponge box longitudinal driving device, the sponge box transverse driving device is a lead screw slide rail driver horizontally arranged, the sponge box longitudinal driving device is a sponge box driving cylinder arranged on a lead screw slide block of the transverse moving lead screw slide rail driver, the ejecting direction of an ejector rod of the sponge box driving cylinder is perpendicular to the moving direction of the lead screw slide block of the transverse moving lead screw slide rail, and the bottom of the sponge box is connected with the ejector rod of the sponge box driving cylinder through a connecting plate.
Preferably, wash excellent drive arrangement and set up the side at the sponge box, wash excellent drive arrangement including wash the stick and drive actuating cylinder and install the extension frame at this washing stick drive actuating cylinder output, wash the stick and drive the vertical setting of actuating cylinder, the top that the extension frame level extended to the sponge box, wash the stick and vertically install the end at the extension frame, the lower extreme of washing the stick is installed and is scraped the needle.
A tin soldering method of a VCM motor spring plate laser tin soldering assembly machine comprises the following steps:
(1) Loading and sealing the jig;
(2) Clamping and filling the solder wires;
(3) Gas shielded welding;
(4) And releasing the jig.
Preferably, in the step 1, the jig loaded with the motor elastic piece assembly to be welded is conveyed to the position above the jig lifting device through the conveying belt, the jig is lifted upwards by the jig lifting device to be tightly attached to the sealing plate, so that a sealing space covering the motor elastic piece assembly is formed, the jig lifted by the jig positioning device is clamped, and the position of a packaging welding point is correct; in the step 2, the small solder wires are clamped through the material taking cylinder, the material taking cylinder is moved to a position right above the material inlet through the material feeding cylinder, and after the small solder wires are released by the material taking cylinder, the small solder wires fall into the position of the welding point; in the step 3, the welding points on the jig are accurately welded through the laser head, nitrogen is blown into the sealed space through the air blowing pipe during welding, and the nitrogen entering the sealed space is sucked out from bottom to top through the suction nozzle to form nitrogen airflow flowing from top to bottom, so that the welding points are prevented from being oxidized due to oxygen mixed in during welding; the jig positioning device releases the jig, the jig lifting device controls the jig to fall back to the conveying belt, and the conveying belt conveys the jig to the next processing station.
Has the advantages that: according to the VCM motor spring plate laser tin soldering assembly machine and the VCM motor spring plate laser tin soldering method, a sealing plate covers a jig to form a sealing space for welding, a small solder wire is clamped and placed in a feeding hole in the sealing plate through a tin feeding mechanism, the solder wire in the feeding hole is melted through a laser head to automatically fall to a welding point position, nitrogen is introduced into the sealing space in the welding process, nitrogen airflow passing through the sealing space from top to bottom is formed, oxidation of a welding point caused by oxygen mixed in the welding process is avoided, and the welding quality is guaranteed; furtherly, feed inlet department installation detachable soldering tin funnel on the closing plate, the fritter solder wire falls to melt and fall the welding point under the effect of the inherent laser head of soldering tin funnel to be provided with specially and demolish the soldering tin funnel automatically and carry out abluent wiper mechanism, avoid the soldering tin funnel to block up and lead to welding jobs to interrupt.
Drawings
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic perspective view of a workpiece conveying mechanism and a tin solder feeding mechanism according to the present invention;
FIG. 4 is a schematic perspective view of a second embodiment of the workpiece conveying mechanism and the tin solder feeding mechanism of the present invention;
FIG. 5 is a first schematic perspective view of a tin feeding mechanism according to the present invention;
FIG. 6 is a schematic perspective view of a second embodiment of the tin feeding mechanism of the present invention;
FIG. 7 is a first perspective view of the first tin feeding mechanism of the present invention;
FIG. 8 is a front view of the tin feed mechanism of the present invention;
FIG. 9 is a first schematic perspective view of a jig lifting device, a jig positioning device and a gas protection device according to the present invention;
FIG. 10 is a schematic diagram of a second three-dimensional structure of the jig lifting device, the jig positioning device and the gas protection device according to the present invention;
FIG. 11 is a third schematic view of the three-dimensional structure of the jig lifting device, the jig positioning device and the gas protection device according to the present invention;
FIG. 12 is a first perspective view of a cleaning mechanism according to the present invention;
FIG. 13 is a schematic perspective view of the second embodiment of the cleaning mechanism of the present invention;
description of reference numerals: a workpiece conveying mechanism 1, a tin soldering feeding mechanism 2, a gas protection device 3, a cleaning mechanism 4, a conveying belt 5, a guide supporting rail 5a, a feeding conveying belt 5b, a conveying belt driving motor 5c, a limiting guide bar 5d, a jig 6, a blocking block 6a, a laser head 7, a tin feeding mechanism 8, a jig lifting device 9, a positioning stop post 9a, a lifting supporting plate 9b, a first lifting cylinder 9c, a second lifting cylinder 9d, a jig positioning device 10, a first positioning cylinder 10a, a second positioning cylinder 10b, a clamping block 10c, a sealing plate 11, an air blowing pipe 12, a suction nozzle 13, a soldering tin wire placing frame 14, a tin wire conveying device 15, a first feeding pipeline 15a and a second feeding pipeline 15b, the tin soldering machine comprises a lower driving roller 15c, an upper driven roller 15d, a material blocking block 15e, an adjusting support 15f, a rotating shaft 15g, a pressing bolt 15h, a tin material feeding device 16, a material taking cylinder 16a, a clamp 16a1, a feeding cylinder 16b, a material blocking cylinder 17, a material blocking rod 17a, a tin soldering funnel 18, a funnel moving device 19, a third lifting cylinder 19a, a rotating cylinder 19b, a rotating arm 19c, a funnel clamping cylinder 19d, a funnel cleaning device 20, sponge 20a, a sponge box 20b, a sponge storage box 20b1, a cleaning liquid storage box 20b2, a screw rod sliding rail driver 20c, a sponge box driving cylinder 20d, a cleaning rod driving cylinder 20e, an extending support 20f and a cleaning rod 20g.
Detailed Description
The following detailed description of specific embodiments of the present invention is made with reference to the accompanying drawings and examples:
referring to fig. 1 to 13, a VCM motor spring laser soldering assembly machine shown comprises a workpiece conveying mechanism 1, a soldering tin feeding mechanism 2 and a gas protection device 3, wherein the workpiece conveying mechanism 1 comprises a conveying belt 5 and a jig 6 which moves up in the conveying direction and is used for bearing a motor spring plate assembly to be soldered, the soldering tin feeding mechanism 2 is arranged beside the conveying direction of the conveying belt 5, the soldering tin feeding mechanism 2 is provided with a laser head 7 and a soldering tin feeding mechanism 8, the laser head 7 is arranged above the conveying belt 5 through a cantilever, a jig lifting device 9 and a jig positioning device 10 are arranged on the conveying belt 5 below the laser head 7, the gas protection device comprises a sealing plate 11, a gas blowing device and a gas suction device, the sealing plate 11 is fixedly arranged on the conveying belt 5 through a bracket, the sealing plate 11 covers the motor spring plate assembly on the lifted jig 6 to form a sealed space, the sealing plate 11 is provided with a feeding hole which is communicated with the sealed space and is positioned right above a soldering point, the gas blowing device is provided with a gas blowing pipe 12 which extends above the feeding hole and is used for blowing gas into the sealed space, the jig 6 is communicated with the sealed space and is arranged right above the suction pipe, and the suction pipe 13 which is arranged right above the suction nozzle of the soldering tin suction device is arranged right above the suction pipe.
The tin feeding mechanism 8 comprises a solder wire placing frame 14, a solder wire conveying device 15 and a solder material feeding device 16, the solder material conveying device comprises a feeding pipeline and a feeding roller group, the feeding pipeline comprises a first feeding pipeline 15a and a second feeding pipeline 15b which are arranged in parallel to the conveying belt 5, coiled solder wires are placed on the solder wire placing frame 14, the solder wires sequentially pass through the first feeding pipeline 15a, the feeding roller group and the second feeding pipeline 15b in advance, the feeding roller group is used for driving the solder wires to finally penetrate out of the discharging end of the second feeding pipeline 15b, the solder material feeding device 16 comprises a material taking cylinder 16a and a feeding cylinder 16b, the material taking cylinder 16a is vertically arranged above the discharging end of the second feeding pipeline 15b, a clamp 16a1 used for clamping welding materials penetrating out of the discharging end of the second feeding pipeline 15b is installed at the output end of the material taking cylinder 16a, the feeding cylinder 16b is horizontally arranged and perpendicular to the conveying direction of the conveying belt 5, the material taking cylinder 16a is fixedly installed at the output end of the feeding cylinder 16b, and the material taking cylinder 16a is used for clamping a small welding material feeding block to be pushed to the upper side of the material taking cylinder 16.
The wire feeding roller group comprises a lower driving roller 15c and an upper driven roller 15d, the axis of the lower driving roller 15c is perpendicular to the conveying direction of the solder wires, the axis of the upper driven roller 15d is parallel to the axis of the lower driving roller 15c, and the conveyed solder wires are clamped between the lower driving roller 15c and the upper driven roller 15 d.
The feeding roller set further comprises an adjusting support 15f, a rotating shaft 15g is arranged at one end of the adjusting support 15f, a pressing bolt 15h which is abutted to the adjusting support 15f from top to bottom to enable the adjusting support 15f to rotate around the rotating shaft 15g is arranged at the other end of the adjusting support 15f, an upper driven roller 15d is installed on the adjusting support 15f and located between the rotating shaft 15g and the pressing bolt 15h, and pressing force of the upper driven roller 15d on a conveyed soldering tin wire is adjusted by adjusting the pressing bolt 15 h.
The conveying belt 5 comprises a guide supporting rail 5a, two feeding conveying belts 5b and two conveying belt driving motors 5c, the guide supporting rail 5a comprises a bracket used for supporting the jig 6 and limiting guide strips 5d arranged on two sides of the upper end of the bracket, the two feeding conveying belts 5b are arranged at the inner sides of the two limiting guide strips 5d at intervals, the two feeding conveying belts 5b are in transmission connection with the conveying belt driving motors, the jig supporting device 9 comprises a position-in blocking column, a lifting supporting plate 9b, a first lifting cylinder 9c and a second lifting cylinder 9d, the position-in blocking column is arranged at the output end of the first lifting cylinder 9c and extends vertically upwards, the lifting supporting plate 9b is arranged at the output end of the second lifting cylinder 9d in a horizontal state, a avoiding hole for the position-in blocking column and the lifting supporting plate 9b to pass through is formed in the guide supporting rail 5a, the upper end surface of the position-in blocking column is higher than the conveying surface of the feeding conveying belt 5b, the upper end surface of the lifting supporting plate 9b is closely attached to the position-in-position blocking column and a sealing plate 11 used for enabling the conveying belt 5b to stop to be located as the lifting supporting plate 6b to move upwards, and the lifting supporting plate 6b is just as the lifting jig 6 when the lifting supporting plate 6 is located in the lifting cylinder 11.
The place ahead that lies in tool lifting device 9 on conveyer belt 5 still is provided with tool 6 temporary storage point, keep off material cylinder 17 is installed to tool 6 temporary storage point, the striker rod 17a that the level was stretched out is installed to this striker cylinder 17's output, the extending direction perpendicular to tool 6's direction of motion of this striker rod 17a, tool 6 up end corner be provided with striker rod 17a complex block piece 6a, keep off material cylinder 17 control striker rod 17a under the initial condition and stretch out and make tool 6 along with pay-off conveyer belt 5b motion stop at tool 6 temporary storage point.
In a welding period, the material blocking cylinder 17 drives the material blocking rod 17a to retract so as to release the jig 6 staying at the temporary storage point of the jig 6, the material blocking cylinder 17 drives the material blocking rod 17a to reset so as to block the next jig 6 after the jig 6 is released and stops under the sealing plate 11 until the stop post in place stops in the initial state along with the movement of the feeding conveyor belt 5b, the second lifting cylinder 9d drives the lifting support plate 9b to move upwards and lift the jig 6, so that the upper surface of the jig 6 is tightly attached to the lower surface of the sealing plate 11, when the lifting support plate lifts the jig 6 upwards, the first lifting cylinder 9c drives the stop post in place to move downwards so that the top of the stop post in place is lower than the upper surface of the guide support rail 5a, after the welding is completed, the second lifting cylinder 9d drives the lifting support plate 9b to descend so that the jig 6 falls back on the feeding conveyor belt 5b, so that the jig 6 enters the next processing station, and then the first lifting cylinder 9c controls the stop post in place to reset, namely, the top of the stop post in place protrudes out of the upper surface of the guide support rail 5a second welding period again, and then enters the next welding period.
Still install tool positioner 10 on conveyer belt 5, this tool positioner 10 includes first location cylinder 10a and second location cylinder 10b, first location cylinder 10a and second location cylinder 10b pass through support and direction support rail 5a fixed connection, the equal level setting of first location cylinder 10a and second location cylinder 10b, the main part of tool 6 is square structure, first location cylinder 10a and second location cylinder 10b are the diagonal setting for hugging closely tool 6 in closing plate 11 below, grip block 10c is all installed to first location cylinder 10a and second location cylinder 10 b's output, the anterior segment of two grip blocks 10c all be provided with tool 6 corner complex right angle breach.
The feed port is funnel shape hole, installs detachable soldering tin funnel 18 on this funnel shape hole, and 5 sides of conveyer belt are provided with and are used for demolising soldering tin funnel 18 from closing plate 11 and carry out abluent wiper mechanism 4, wiper mechanism 4 is including funnel mobile device 19 and funnel belt cleaning device 20, and funnel mobile device 19 is provided with and demolishs soldering tin funnel 18 on the closing plate 11 and removes funnel belt cleaning device 20 department and carry out abluent funnel clamp and get cylinder 19d, and wiper device is equipped with top-down and cuts the washing stick 20g of rubbing soldering tin funnel 18 inner wall and is used for rubbing the sponge 20a of soldering tin funnel 18 lower extreme, and sponge 20a adsorbs there is the cleaning solution.
The funnel moving device 19 is arranged on one side of the conveying belt 5 opposite to the tin soldering mechanism 2, the funnel moving device 19 comprises a third lifting cylinder 19a and a rotary cylinder 19b, the third lifting cylinder 19a is vertically arranged, the rotary cylinder 19b is installed at the output end of the third lifting cylinder 19a, the output end axis of the rotary cylinder 19b is vertically arranged, a rotary arm 19c horizontally arranged is installed at the output end of the rotary cylinder 19b, a funnel clamping cylinder 19d is installed at the front end of the rotary arm 19c, the rotary cylinder 19b drives the rotary arm 19c to rotate, so that an air clamp of the funnel clamping cylinder 19d is located right above the solder funnel 18 on the sealing plate 11, the third lifting cylinder 19a drives the rotary arm 19c to descend, then the funnel clamping cylinder 19d drives the rotary arm 19c to rotate, and the solder funnel 18 is moved to the funnel cleaning device 20 for cleaning.
The funnel cleaning device 20 is provided with a cleaning rod 20g driving device and a sponge 20a driving device, the sponge 20a driving device comprises a sponge box 20b, a sponge box 20b transverse driving device and a sponge box 20b longitudinal driving device, the sponge box 20b transverse driving device is a screw rod slide rail driver 20c arranged horizontally, the sponge box 20b longitudinal driving device is a sponge box driving air cylinder 20d arranged on a screw rod slide block of the transverse moving screw rod slide rail driver 20c, the ejecting direction of an ejector rod of the sponge box driving air cylinder 20d is perpendicular to the moving direction of the screw rod slide block of the transverse moving screw rod slide rail, and the bottom of the sponge box 20b is connected with the ejector rod of the sponge box driving air cylinder 20d through a connecting plate.
Aiming at the problem that the position of the soldering tin funnel 18 is not moved in the cleaning process of the soldering tin funnel 18, the sponge box driving cylinder 20d drives the sponge box 20b to reciprocate, so that the sponge 20a repeatedly rubs the bottom of the soldering tin funnel 18, and the tin material at the bottom of the soldering tin funnel 18 is cleaned; it should be noted that the sponge 20a will be worn out greatly when rubbed against the bottom of the solder funnel 18 at the same position for a long time, so the sponge box 20b needs to be driven to move a certain distance by the screw slide driver 20c to verify the service life of the sponge 20 a.
The sponge box 20b is divided into a sponge storage box 20b1 and a cleaning solution storage box 20b2 by a partition board, the sponge 20a is placed in the sponge storage box 20b1, the upper surface of the sponge 20a is flush with the upper end surface of the partition board, a notch is formed in the upper edge of the partition board, a cleaning solution supplementing pipe joint is installed at the bottom of the cleaning solution storage box 20b2, and a cleaning solution recycling pipe joint is installed at the bottom of the sponge storage box 20b 1.
The setting of washing stick 20g drive arrangement is at the side of sponge box 20b, and washing stick 20g drive arrangement drives actuating cylinder 20e and installs the extension frame 20f at this washing stick 20g drive actuating cylinder 20e output including washing stick 20g, and washing stick 20g drives the vertical setting of actuating cylinder 20e, extends the top that the frame 20f level extended to sponge box 20b, and washing stick 20g is vertical to be installed at the end that extends frame 20f, and the needle is scraped in the lower extreme of washing stick 20g installation.
The cleaning rod 20g drives the air cylinder 20e to drive the cleaning rod 20g to move up and down in the vertical direction, and the tin materials attached to the inner surface of the soldering tin funnel 18 are scraped down by the scraping needle at the lower end of the cleaning rod 20g and are ejected out of the through hole at the lower end of the soldering tin funnel 18.
A tin soldering method of a VCM motor spring plate laser tin soldering assembly machine comprises the following steps:
(1) Loading and sealing the jig;
(2) Clamping and filling the solder wires;
(3) Gas shielded welding;
(4) And releasing the jig.
In the step 1, the jig 6 loaded with the motor spring assembly to be welded is conveyed to the upper part of the jig lifting device 9 through the conveying belt 5, the jig 6 is lifted upwards by the jig lifting device 9 to be tightly attached to the sealing plate 11, so that a sealing space covering the motor spring assembly is formed, the jig 6 supported by the jig is clamped tightly through the jig positioning device 10, and the position of a welding point is packaged correctly.
In the step 2, the small solder wires are clamped by the material taking cylinder 16a, the material taking cylinder 16a is moved to a position right above the material inlet by the material feeding cylinder 16b, and the small solder wires fall into the welding point after being released by the material taking cylinder 16 a.
In the step 3, the welding points on the jig 6 are accurately welded through the laser head 7, nitrogen is blown into the sealed space through the air blowing pipe 12 during welding, and the nitrogen entering the sealed space is sucked out from bottom to top through the suction nozzle 13 to form nitrogen airflow flowing from top to bottom, so that the welding points are prevented from being oxidized due to oxygen mixed in the welding process.
The jig positioning device 10 releases the jig 6, the jig lifting device 9 controls the jig 6 to fall back onto the conveyer belt 5, and the conveyer belt 5 conveys the jig 6 to the next processing station.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (7)
1. The utility model provides a VCM motor shell fragment laser soldering tin kludge which characterized in that: comprises a workpiece conveying mechanism (1), a tin soldering mechanism (2) and a gas protection device (3); the workpiece conveying mechanism (1) comprises a conveying belt (5) and a jig (6) which moves on the conveying belt and is used for bearing a motor elastic sheet assembly to be welded; the tin feeding mechanism (2) is arranged beside the conveying direction of the conveying belt (5), the tin feeding mechanism (2) is provided with a laser head (7) and a tin feeding mechanism (8), the laser head (7) is arranged above the conveying belt (5) through a cantilever, a jig lifting device (9) is arranged below the laser head (7) on the conveying belt (5), the jig lifting device (9) is arranged below the conveying belt (5) and is positioned right below the laser head (7), the gas protection device comprises a sealing plate (11), a gas blowing device and a gas suction device, the sealing plate (11) is fixedly arranged on the conveying belt (5) through a support, the sealing plate (11) covers a motor elastic sheet assembly on the lifted jig (6) to form a sealed space, the sealing plate (11) is provided with a feeding hole which is communicated with the sealed space and is positioned right above a soldering point, the gas blowing device is provided with a gas blowing pipe (12) which extends to the upper part of the feeding hole and is used for blowing single gas into the sealed space, the jig (6) is provided with a suction nozzle (13) which is arranged right above the suction nozzle and is arranged right above the suction nozzle of the suction device; the tin wire feeding mechanism (8) comprises a solder wire placing frame (14), a solder wire conveying device (15) and a solder material feeding device (16), the solder wire conveying device comprises a feeding pipeline and a feeding roller set, the feeding pipeline comprises a first feeding pipeline (15 a) and a second feeding pipeline (15 b) which are arranged in parallel to the conveying belt (5), coiled solder wires are placed on the solder wire placing frame (14), the solder wires sequentially penetrate through the first feeding pipeline (15 a), the feeding roller set and the second feeding pipeline (15 b) in advance, the feeding roller set is used for driving the solder wires to finally penetrate out of the discharging end of the second feeding pipeline (15 b), the solder material feeding device (16) comprises a material taking cylinder (16 a) and a feeding air cylinder (16 b), the material taking cylinder (16 a) is vertically arranged above the discharging end of the second feeding pipeline (15 b), the output end of the material taking cylinder (16 a) is provided with a clamp (16 a 1) for clamping welding materials which penetrate out of the discharging end of the second feeding pipeline (15 b), the feeding air cylinder (16 b) is horizontally arranged above the feeding cylinder (5), and the feeding air cylinder (16 b) is used for clamping the feeding air cylinder (16 a) and clamping the feeding cylinder (16) and is arranged above the feeding cylinder (5) and used for clamping the feeding cylinder (16 b); the tin wire conveying device (15) further comprises a material blocking block arranged in front of the discharge end of the second conveying pipeline (15 b), a material taking gap is formed between the material blocking block and the discharge end of the wire outlet pipe, a small amount of tin wires penetrate out of the discharge end of the second conveying pipeline (15 b) and are blocked by the material blocking block, and a part of the tin wires exposed out of the discharge end of the second conveying pipeline (15 b) form welding materials to be taken; the conveying belt (5) comprises a guide supporting rail (5 a), two feeding conveying belts (5 b) and two conveying belt driving motors (5 c), the guide supporting rail (5 a) comprises a bracket used for supporting a jig (6) and limiting guide strips (5 d) arranged on two sides of the upper end of the bracket, the two feeding conveying belts (5 b) are arranged on the inner sides of the two limiting guide strips (5 d) at intervals, the two feeding conveying belts (5 b) are in transmission connection with the conveying belt driving motors, the jig supporting device (9) comprises a position stopping column, a lifting supporting plate (9 b), a first lifting cylinder (9 c) and a second lifting cylinder (9 d), the position stopping column is arranged at the output end of the first lifting cylinder (9 c) and extends vertically upwards, the lifting supporting plate (9 b) is arranged at the output end of the second lifting cylinder (9 d) in a horizontal state, a avoiding hole for the position stopping the lifting supporting plate (9 b) after the position stopping the lifting supporting plate (9 b) when the feeding conveying belt (5 b) passes through the position stopping plate (5 b) is positioned above the surface of the conveying belt (5 b), and a positioning plate (5 b) is positioned below the conveying plate (6 b), the second lifting cylinder (9 d) drives the lifting supporting plate (9 b) to move upwards to support the jig (6) to be tightly attached to the sealing plate (11).
2. The laser soldering assembly machine for the spring plate of the VCM motor as claimed in claim 1, wherein: still install tool positioner (10) on conveyer belt (5), this tool positioner (10) include first location cylinder (10 a) and second location cylinder (10 b), first location cylinder (10 a) and second location cylinder (10 b) are through support and direction saddle rail (5 a) fixed connection, first location cylinder (10 a) and the equal level setting of second location cylinder (10 b), the main part of tool (6) is square structure, first location cylinder (10 a) and second location cylinder (10 b) are the diagonal angle setting for tool (6) of hugging closely below closing plate (11), grip block (10 c) are all installed to the output of first location cylinder (10 a) and second location cylinder (10 b), the anterior segment of two grip blocks (10 c) all is provided with the right angle breach with tool (6) corner complex.
3. The laser soldering assembly machine for the spring plate of the VCM motor as claimed in claim 2, wherein: the feed port is funnel shape hole, installs detachable soldering tin funnel (18) on this funnel shape hole, and conveyer belt (5) side is provided with and is used for demolising soldering tin funnel (18) from closing plate (11) and carry out abluent wiper mechanism (4), wiper mechanism (4) are including funnel mobile device (19) and funnel belt cleaning device (20), and funnel mobile device (19) are provided with and demolish soldering tin funnel (18) on closing plate (11) and remove funnel belt cleaning device (20) department and carry out abluent funnel clamp and get cylinder (19 d), and funnel belt cleaning device is equipped with top-down and cuts off cleaning rod (20 g) of soldering tin funnel (18) inner wall and sponge (20 a) that are used for rubbing soldering tin funnel (18) lower extreme, and sponge (20 a) adsorb has the cleaning solution.
4. The laser soldering assembly machine for the spring plate of the VCM motor as claimed in claim 3, wherein: the funnel moving device (19) is arranged on one side opposite to the tin soldering mechanism (2) feeding device beside the conveying belt (5), the funnel moving device (19) comprises a third lifting cylinder (19 a) which is vertically arranged and a rotary cylinder (19 b) which is installed at the output end of the third lifting cylinder (19 a), the axis of the output end of the rotary cylinder (19 b) is vertically arranged, a rotary arm (19 c) which is horizontally arranged is installed at the output end of the rotary cylinder (19 b), a funnel clamping cylinder (19 d) is installed at the front end of the rotary arm (19 c), the rotary cylinder (19 b) drives the rotary arm (19 c) to rotate, so that an air clamp of the funnel clamping cylinder (19 d) is located right above the solder funnel (18) on the sealing plate (11), the solder funnel clamping cylinder (19 d) clamps the solder funnel (18) on the sealing plate (11) after the third lifting cylinder (19 a) drives the rotary arm (19 c) to descend, the rotary cylinder (19 b) drives the rotary arm (19 c) to rotate, and the solder funnel cleaning device (20) is moved to clean the funnel.
5. The VCM motor spring laser soldering assembly machine according to claim 4, wherein: funnel belt cleaning device (20) have cleaning rod (20 g) drive arrangement and sponge (20 a) drive arrangement, sponge (20 a) drive arrangement is including sponge box (20 b), sponge box (20 b) horizontal drive arrangement and sponge box (20 b) vertical drive arrangement, sponge box (20 b) horizontal drive arrangement is lead screw slide rail driver (20 c) of level setting, sponge box (20 b) vertical drive arrangement is sponge box actuating cylinder (20 d) on the lead screw slider of installation sideslip lead screw slide rail driver (20 c), the ejecting direction of ejector pin of this sponge box actuating cylinder (20 d) is perpendicular to the lead screw slider moving direction of sideslip lead screw slide rail, the bottom of sponge box (20 b) is passed through the connecting plate and is connected with the ejector pin of sponge box actuating cylinder (20 d).
6. The laser soldering assembly machine for the spring plate of the VCM motor as claimed in claim 5, wherein: wash excellent (20 g) drive arrangement setting in the side of sponge box (20 b), wash excellent (20 g) drive arrangement including wash excellent (20 g) drive actuating cylinder (20 e) and install extension frame (20 f) at this wash excellent (20 g) drive actuating cylinder (20 e) output, wash excellent (20 g) drive actuating cylinder (20 e) vertical setting, extend the top that frame (20 f) level extended to sponge box (20 b), wash excellent (20 g) vertical installation in the end that extends frame (20 f), the needle is scraped in the lower extreme of washing excellent (20 g) installation.
7. A soldering method of a VCM motor spring laser soldering assembly machine according to claim 6, characterized in that: the method comprises the following steps:
(1) And the jig (6) is loaded and sealed: the jig (6) loaded with the motor elastic sheet assembly to be welded is conveyed to the upper part of the jig lifting device (9) through the conveying belt (5), the jig (6) is upwards lifted by the jig lifting device (9) to be tightly attached to the sealing plate (11) so as to form a sealing space covering the motor elastic sheet assembly, the jig (6) lifted by the jig positioning device (10) is clamped tightly, and the correct welding point position is ensured
(2) The solder wire is clamped and loaded: the small solder wires are clamped by the material taking cylinder (16 a), the material taking cylinder (16 a) is moved to the position right above the feeding hole by the material feeding cylinder (16 b), after the small solder wires are released by the material taking cylinder (16 a),
the small solder wires fall into the position of the welding point;
(3) And gas shielded welding: welding points on the jig (6) are accurately welded through the laser head (7), nitrogen is blown into the sealed space through the air blowing pipe (12) during welding, and the nitrogen entering the sealed space is sucked out from bottom to top through the suction nozzle (13) to form nitrogen airflow flowing from top to bottom, so that the welding points are prevented from being oxidized due to oxygen mixed in the welding process;
(4) And releasing the jig (6): the jig positioning device (10) releases the jig (6), the jig lifting device (9) controls the jig (6) to fall back onto the conveying belt (5), and the conveying belt (5) conveys the jig (6) to the next machining station.
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| CN201710647224.5A CN107350586B (en) | 2017-08-01 | 2017-08-01 | VCM motor spring plate laser soldering assembly machine and soldering method thereof |
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| CN201710647224.5A CN107350586B (en) | 2017-08-01 | 2017-08-01 | VCM motor spring plate laser soldering assembly machine and soldering method thereof |
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