CN114378395A - Soldering method between butt-welded commutator and piezoresistor of motor rotor - Google Patents
Soldering method between butt-welded commutator and piezoresistor of motor rotor Download PDFInfo
- Publication number
- CN114378395A CN114378395A CN202210189240.5A CN202210189240A CN114378395A CN 114378395 A CN114378395 A CN 114378395A CN 202210189240 A CN202210189240 A CN 202210189240A CN 114378395 A CN114378395 A CN 114378395A
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- China
- Prior art keywords
- soldering
- tin
- jig
- motor
- commutator
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Classifications
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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
- B23K3/02—Soldering irons; Bits
-
- 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
Abstract
The invention provides a tin soldering method between a butt-welded commutator and a piezoresistor of a motor rotor, which solves the problem that poor welding such as insufficient welding, tin tip and the like is easy to occur when the butt-welded commutator and the piezoresistor are soldered; the method comprises the following steps: pre-feeding a tin wire to the top end of the commutator leg after touch welding; the soldering bit is pushed forwards and moved to the top end of the commutator leg for soldering tin, and meanwhile, the soldering bit and the top end of the commutator leg are subjected to back-and-forth friction swinging displacement; the solder wire is withdrawn, and the soldering bit is withdrawn; feeding the solder wire to the top end of the commutator leg for the second time, and pushing the soldering bit forward to perform secondary soldering without swinging; returning the solder wire and the soldering iron head to complete soldering; according to the soldering bit, the commutator leg is heated, rubbed and swung by secondary soldering tin and primary swing, the high-temperature soldering bit rubs and swings against the top end of the commutator leg, the tin tip of the primary soldering tin is removed by the secondary soldering tin, and the tin point diffusion is promoted to be better; the method can ensure that the product has good conductivity, prolong the service life of the product and greatly improve the yield of the product.
Description
Technical Field
The invention relates to the technical field of soldering tin, in particular to a soldering method between a butt-welded commutator and a piezoresistor of a motor rotor.
Background
When the existing motor rotor is used for soldering tin, firstly, the piezoresistor and the motor rotor are fixed in a tin soldering jig, the rotor is fixed in the direction of a notch of the rotor through a positioning key of the rotor, an electric soldering iron advances to be close to a commutator leg to be preheated, then a tin wire is fed to a soldering point by an automatic tin wire feeding mechanism or manually, the commutator leg and the piezoresistor are soldered by the electric soldering iron, the electric soldering iron returns, and a tin wire returns.
The applicant has found that the prior art has at least the following technical problems: in the current full-automatic and semi-automatic tin soldering technology, the commutator leg of the motor rotor is made of oxygen-free copper, the copper is generally slowly and naturally oxidized into copper oxide on the surface in the air, the conductivity of the copper oxide is poor, and the copper attached to the surface of the copper can block the conduction, so that the resistance value of the copper is larger; after the commutator leg is subjected to touch welding, oxidation is more serious due to the intervention of oxygen in the air, and the chemical characteristics of copper oxide are not easy to form copper-tin alloy with molten tin, so that the problems of tin tip, uneven tin water coverage, poor welding of the commutator and the piezoresistor are easily caused, and the welding quality, the reduction of the production quantity, the improvement of defective products and the increase of the cost of the product are directly influenced.
Disclosure of Invention
The invention aims to provide a soldering method between a butt-welded commutator and a piezoresistor of a motor rotor, which aims to solve the technical problems that a tin tip is easy to appear after soldering between the butt-welded commutator and the piezoresistor and the welding between the commutator and the piezoresistor is poor in the prior art; the technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a soldering method between a butt-welded commutator and a piezoresistor of a motor rotor, which comprises the following steps:
s1: pre-feeding a tin wire to the top end of the commutator leg after touch welding;
s2: the soldering bit is pushed forwards and moved to the top end of the commutator leg for soldering tin, and meanwhile, the soldering bit and the motor rotor are in back-and-forth friction swing displacement;
s3: the solder wire is withdrawn, and the soldering bit is withdrawn;
s4: feeding the solder wire to the top end of the commutator leg for the second time, and pushing the soldering bit forward to perform secondary soldering without swinging;
s5: and (5) returning the tin wire and the soldering iron head to finish the soldering.
Preferably, in step S4, the time for the second soldering is shorter than the time for the first soldering.
Preferably, in step S2, a frictional rocking displacement in the horizontal direction occurs between the soldering tip and the motor rotor.
Preferably, before the step S1, the method further includes a step S0: the piezoresistor and the motor rotor are fixed on the soldering tin jig, and the motor rotor is fixed in the direction of the notch of the rotor through the positioning key of the motor rotor.
Preferably, the soldering tin jig for fixing the motor rotor swings back and forth.
Preferably, the soldering tin jig rotates and swings back and forth by taking the axis of the soldering tin jig as a rotating shaft.
Preferably, in step S2, the solder jig swings back and forth at an angle of N °.
Preferably, in step S2, the soldering tin jig is fixed on the turntable, the lower portion of the soldering tin jig is connected to a jig spindle, the lower portion of the jig spindle is connected to a motor, and the soldering tin jig can be driven by the jig spindle to swing back and forth by the forward rotation or reverse rotation of the motor.
Preferably, in step S2, the jig main shaft is connected to the turntable through a bearing sleeve, a vertically extending solder jig positioning key is fixed on the bearing sleeve, and a positioning hole adapted to the solder jig positioning key is disposed at the bottom of the solder jig;
the motor is connected with a cylinder, and the motor can be jacked up by extending out a cylinder shaft; when the motor rises, the positioning hole is separated from the positioning key of the soldering tin jig, and the rotation of the motor can drive the soldering tin jig to swing.
Preferably, a limiting lug is fixed at the upper part of the motor, a guide block groove clamped with the limiting lug is arranged at the lower part of the jig main shaft, and when the motor ascends, the limiting lug ascends to be fixed with the guide block groove; and a top spring is sleeved on the periphery of the jig main shaft.
Compared with the prior art, the tin soldering method between the butt-welded commutator and the piezoresistor of the motor rotor has the following beneficial effects:
heating, rubbing and swinging are carried out on the commutator leg by secondary tin soldering and primary swinging of the soldering bit, the soldering bit with high temperature rubs and swings against the top end of the commutator leg, mainly in order to remove copper oxide on the surface, expose the copper body, reduce the resistance, and promote molten tin to flow rapidly to form a welding spot; the tin point of the first soldering tin is removed through the second soldering tin, so that the tin point diffusion is promoted to be better and more attractive, and the welding quality of the product is improved.
The method can ensure that the product has good conductivity, prolong the service life of the product, reduce the defect of the product and greatly improve the yield of the product.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of a method for soldering between a butt-welded commutator and a varistor of a motor rotor according to the present invention;
FIG. 2 is a block diagram of a solder tip where a solder wire is soldered.
FIG. 3 is a schematic view of an embodiment of a mechanism for driving a solder tool to swing;
FIG. 4 is a view of the motor and soldering tool driving connection part of FIG. 3;
FIG. 5 is a view showing an assembly structure of a positioning key and a positioning hole of a soldering jig;
1, cylinder in fig. 2-5; 2. a motor; 3. a limiting bump; 4. a bearing housing; 5. a spring is supported; 6. soldering tin tools; 7. a motor rotor; 8. a jig main shaft; 9. soldering tin tool positioning key; 10. positioning holes; 11. a voltage dependent resistor; 12. a soldering bit; 13. a tin wire; 14. a turntable; 15. a rotor positioning key; A. and (4) coating tin on the soldering iron head.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the equipment or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Referring to fig. 1, 2 and 3, fig. 1 is a flow chart of a soldering method between a butt-welded commutator and a piezoresistor of a motor rotor according to the invention; FIG. 2 is a view of a solder wire position of a soldering iron tip, wherein A is a tin surface A of the soldering iron tip; fig. 3 is a schematic view of an embodiment of a mechanism for driving a solder jig to swing.
The invention provides a soldering method between a butt-welded commutator and a piezoresistor of a motor rotor, which comprises the following steps:
s1: pre-feeding a tin wire 13 to the top end of the commutator leg (oxygen-free copper material) after the butt welding; (As shown in FIG. 2, tin surface A on the soldering iron)
S2: the soldering bit 12 is pushed forward and moved to the top end of the commutator leg for soldering tin, and meanwhile, the soldering bit and the top end of the commutator leg are in back-and-forth friction swing displacement; the oxide layer is removed to promote the formation of tin-copper alloy and tin-silver alloy (the piezoresistor is attached with a silver coating).
S3: the solder wire 13 retracts, and the soldering bit retracts;
s4: feeding the solder wire 13 to the top end of the commutator leg for the second time, and pushing the soldering iron head 12 forward to perform secondary soldering without swinging;
s5: the solder wire 13 and soldering tip 12 are withdrawn to complete the soldering.
The invention provides a soldering method between a butt-welded commutator and a piezoresistor of a motor rotor, which has the following principle: the method is characterized in that a tin wire is pre-fed to the top end of the commutator leg after touch welding, the soldering iron head mechanism is pushed forwards to melt tin and swing against the top end of the commutator leg, and the swinging purpose is as follows: firstly, the commutator leg is made of oxygen-free copper, the surface of copper is generally slowly and naturally oxidized into copper oxide in the air, the conductivity of the copper oxide is poor, the copper oxide is attached to the surface of the copper to block the conductivity, the resistance value of the copper is large, a soldering iron head with high temperature rubs and swings against the top end of the commutator leg, and the copper oxide on the surface is mainly removed, so that a copper body is exposed, and the resistance is reduced; secondly, the molten tin is promoted to flow rapidly to form welding spots.
The invention has the beneficial effects that: heating and rubbing the commutator leg by secondary tin soldering of the soldering bit and primary swinging, wherein the soldering bit with high temperature rubs and swings against the top end of the commutator leg, mainly for removing copper oxide on the surface, exposing a copper body, reducing resistance, and promoting molten tin to flow quickly to form a welding spot; the tin point of the first soldering tin is removed through the second soldering tin, so that the tin point diffusion is promoted to be better and more attractive, the welding quality of the product is improved, and the service life of the product is prolonged.
The method can ensure that the product has good conductivity, prolong the service life of the product, reduce the defect of the product and greatly improve the yield of the product.
As an alternative embodiment, in step S4, the time for the second soldering is shorter than the time for the first soldering.
At this time, the swinging action is added in the soldering process, so that the soldering time is too long, the molten tin loses activity and fluidity, and tin points are easily generated. The solder wire 13 is retracted and the soldering tip 12 is retracted, where the solder is now fed a second time, where the soldering tip 12 is moved past a second time of melting the solder; the secondary soldering time is short, the purpose is to remove the tin point of the primary soldering, promote the tin point to be diffused better and more beautiful, and the automatic fundamental principle is met to improve the production efficiency and solve the product quality problem.
Wherein as an alternative embodiment, a frictional rocking displacement in the horizontal direction occurs between the soldering tip and the motor rotor in step S2.
Because in the tin soldering process, when the soldering bit is pushed forwards to the top end of the commutator of the motor rotor, the soldering bit and the tin soldering jig, namely the motor rotor, horizontally rub and swing, copper oxide on the surface can be removed, a copper body is exposed, the resistance is reduced, and molten tin is promoted to flow rapidly.
As an alternative embodiment, referring to fig. 1 and 3, before step S1, the method further includes step S0: the piezoresistor 11 and the motor rotor 7 are fixed on the soldering tin jig 6, and the motor rotor 7 is fixed in the direction of the rotor notch by the rotor positioning key 15.
In order to facilitate the operation, as an optional implementation manner, in this specific embodiment, the relative swinging displacement refers to a back-and-forth swinging of the soldering tin jig for fixing the motor rotor.
As an optional embodiment, the soldering jig performs back and forth rotation and swing with its own axis as a rotation axis.
In order to ensure the reliability and stability of the formed welding spot during the specific welding, the swing angle range of the motor rotor can be adjusted according to the actual situation, as an optional implementation manner, in step S2, the soldering tin jig swings back and forth, the swing angle is N °, and N is smaller than 90 °.
The invention also provides a specific implementation mode capable of driving the soldering tin jig to swing, and as an optional implementation mode, referring to fig. 3 and 4, fig. 3 is a schematic diagram of an implementation example of a mechanism for driving the soldering tin jig to swing; FIG. 4 is a view of the motor and soldering tool driving connection part of FIG. 3; in step S2, the soldering tin jig 6 is fixed on the turntable 14 through the jig main shaft 8 and the bearing housing 4, the lower portion of the soldering tin jig 6 is connected to the jig main shaft 8, the lower portion of the jig main shaft 8 is drivingly connected to the motor 2, and the forward rotation or the reverse rotation of the motor 2 can drive the soldering tin jig 6 to swing back and forth through the jig main shaft 8, so as to realize the swing back and forth of the motor rotor 7 during the first soldering.
Because when accomplishing secondary soldering tin, need the descending of soldering tin tool and fix a position to when the rotor on the soldering tin tool was taken away to automatics, the unlikely transposition of soldering tin tool, consequently provide a connected mode of motor 2 and soldering tin tool 6 below, it can satisfy when needs soldering tin tool 6 swings, motor 2 can be connected with soldering tin tool 6 drive.
As an alternative embodiment, referring to fig. 3 to 5, fig. 5 is a structural view illustrating an assembly of a positioning key and a positioning hole of a soldering jig;
the tool main shaft 8 is connected with the turntable through the bearing sleeve 4, a vertically extending soldering tin tool positioning key 9 is fixed on the bearing sleeve 4, and a positioning hole 10 matched with the soldering tin tool positioning key 9 is formed in the bottom of the soldering tin tool 6; the motor 2 is connected with the cylinder 1, and the motor 2 can be jacked up by extending a cylinder shaft; when the motor 2 ascends, the positioning hole 10 is separated from the soldering tin jig positioning key 9, and the rotation of the motor 2 can drive the soldering tin jig 6 to swing.
Wherein, the upper portion of above-mentioned locating hole 10 is the cylindricality, lower part toper, and its effect of the toper of locating hole lower part is: the tin soldering jig positioning key 9 is convenient to be separated from the positioning hole 10 along with the ascending of the jig main shaft 8 or to be reinserted into the positioning hole 10 along with the descending of the jig main shaft; meanwhile, the upper column shape is convenient for fixing the positioning key 9 of the soldering tin jig.
After the soldering tin jig 6 is installed and fixed on the turntable through the jig main shaft 8 and the bearing sleeve 4, (the turntable can be driven by a stepping motor, a speed reducing motor, a servo motor and the like as power sources, and a cam divider, a hollow rotating platform, a planetary speed reducing mechanism and the like as transmission modes to make the turntable do circular motion so as to facilitate the next soldering tin jig 6 to weld a motor rotor for recycling use, because the content of the invention is not specifically related, the content is not repeated) in the soldering process, the air cylinder 1 jacks up the jig main shaft 8, because the tool spindle 8 is connected with the soldering tin tool 6, the soldering tin tool 6 can be jacked up, so that the positioning hole 10 of the soldering tin tool 6 is separated from the soldering tin tool positioning key 9, the soldering tin tool 6 can rotate and swing under the driving of the motor 2, so that the motor rotor can swing during the first soldering, and the molten tin can be promoted to flow rapidly; after soldering tin is completed, the above swing process can be reset through the inductive switch, when the soldering tin jig positioning key 9 is concentric with the positioning hole 10, the cylinder 1 returns, and the soldering tin jig 6 falls to the initial position due to the effect of resilience force of the top spring. The inductive switch is used as a conventional means in the art, and is not described herein.
In order to facilitate the motor 2 to drive the jig spindle 8 to rotate when jacking up the jig spindle 8, as an optional embodiment, referring to fig. 2, a limiting convex block 3 is fixed at the upper part of the motor 2, a guide block groove clamped with the limiting convex block 3 is arranged at the lower part of the jig spindle 8, and when the motor 2 ascends, the limiting convex block 3 ascends to be fixed with the guide block groove; the periphery of the jig main shaft 8 is sleeved with a top spring 5.
Through above-mentioned cylinder 1 jack-up motor 2, spacing lug 3 and the block groove's card is fashionable for motor 2 can be fixed with tool main shaft 8 when being risen by cylinder 1 jack-up, can not dislocate, thereby drives its rotation.
The top spring 5 has the function that when the motor 2 lifts the jig main shaft 8, the top spring 5 is compressed; when the welding is finished, the air cylinder 1 returns, and the jig main shaft 8 returns to the initial position under the elastic deformation resilience force of the top spring 5.
It should be understood that the above only provides an embodiment of the mechanism for driving the soldering jig to swing, and those skilled in the art may also set other forms to drive the soldering jig to swing rotationally according to the actual situation, which is not limited herein.
The method provided by the invention carries out heating friction on the commutator leg by using the secondary soldering of the soldering bit and the primary swing of the soldering tin jig, thereby fundamentally solving the problems of the welding quality and the service life of the product, leading the product to have good conductivity, reducing the defect of the product and greatly improving the yield of the product.
The particular features, structures, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A tin soldering method between a butt-welded commutator and a piezoresistor of a motor rotor is characterized by comprising the following steps:
s1: pre-feeding a tin wire to the top end of the commutator leg after touch welding;
s2: the soldering bit is pushed forwards and moved to the top end of the commutator leg for soldering tin, and meanwhile, the soldering bit and the top end of the commutator leg are subjected to back-and-forth friction swinging displacement;
s3: the solder wire is withdrawn, and the soldering bit is withdrawn;
s4: feeding the solder wire to the top end of the commutator leg for the second time, and pushing the soldering bit forward to perform secondary soldering without swinging;
s5: and (5) returning the tin wire and the soldering iron head to finish the soldering.
2. A method for soldering a solder between a commutator and a varistor after butt-welding a rotor of a motor according to claim 1, wherein in step S4, the time for the second soldering is shorter than the time for the first soldering.
3. A method of soldering a commutator and a varistor according to claim 1, wherein in step S2, a frictional rocking displacement in the horizontal direction occurs between the soldering tip and the motor rotor.
4. A method for soldering between a commutator and a varistor which have been butt-welded to a rotor of a motor according to claim 1, further comprising, before step S1, step S0: the piezoresistor and the motor rotor are fixed on the soldering tin jig, and the motor rotor is fixed in the direction of the notch of the rotor through the positioning key of the motor rotor.
5. A method according to claim 4, wherein the soldering jig for fixing the motor rotor swings back and forth.
6. A method as claimed in claim 5, wherein the soldering jig is rotated and swung back and forth about its axis as a rotation axis.
7. A method according to claim 4, wherein in step S2, the soldering jig swings back and forth with an angle N ° and N is less than 90 °.
8. A method according to claim 4, wherein in step S2, the soldering jig is fixed on the turntable, and a jig spindle is connected to the lower portion of the soldering jig, and a motor is drivingly connected to the lower portion of the jig spindle, and the forward rotation or reverse rotation of the motor can drive the soldering jig to swing back and forth through the jig spindle.
9. A method according to claim 8, wherein in step S2, the jig main shaft is connected to the turntable through a bearing housing, and a vertically extending solder jig positioning key is fixed on the bearing housing, and a positioning hole adapted to the solder jig positioning key is provided at the bottom of the solder jig;
the motor is connected with a cylinder, and the motor can be jacked up by extending out a cylinder shaft; when the motor ascends, the positioning hole is separated from the positioning key of the soldering tin jig, and the rotation of the motor can drive the soldering tin jig to swing.
10. A method according to claim 9, wherein a limit projection is fixed to an upper portion of the motor, a guide block groove engaged with the limit projection is provided to a lower portion of the jig main shaft, and the limit projection is raised to be fixed to the guide block groove when the motor is raised; and a top spring is sleeved on the periphery of the jig main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210189240.5A CN114378395A (en) | 2022-02-28 | 2022-02-28 | Soldering method between butt-welded commutator and piezoresistor of motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210189240.5A CN114378395A (en) | 2022-02-28 | 2022-02-28 | Soldering method between butt-welded commutator and piezoresistor of motor rotor |
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| Publication Number | Publication Date |
|---|---|
| CN114378395A true CN114378395A (en) | 2022-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210189240.5A Pending CN114378395A (en) | 2022-02-28 | 2022-02-28 | Soldering method between butt-welded commutator and piezoresistor of motor rotor |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08174208A (en) * | 1994-12-27 | 1996-07-09 | Asahi Denki Seisakusho:Kk | Device for automatically soldering rotor of motor |
| CN101992330A (en) * | 2010-09-15 | 2011-03-30 | 深圳市天豪机电科技有限公司 | Soldering process of micro motor rotor commutator and pressure-sensitive sheet |
| CN201824036U (en) * | 2010-09-15 | 2011-05-11 | 深圳市天豪机电科技有限公司 | Rotor tin-soldering mechanism |
| CN105499738A (en) * | 2016-01-21 | 2016-04-20 | 深圳市科美达自动化设备有限公司 | Tin soldering method for commutator pin of carbon brush motor rotor |
| CN205325282U (en) * | 2016-01-21 | 2016-06-22 | 李才 | Motor rotor soldering tin tool |
| CN107363367A (en) * | 2017-09-12 | 2017-11-21 | 常州铭赛机器人科技股份有限公司 | The pressure-sensitive tin-soldering device of iron core motor rotor assembly |
| CN206689573U (en) * | 2017-04-28 | 2017-12-01 | 深圳市金加达科技有限公司 | Four station integrated tin soldering machines |
| CN210334686U (en) * | 2019-07-24 | 2020-04-17 | 东莞市精磊智能装备有限公司 | Tool seat for tin soldering machine |
-
2022
- 2022-02-28 CN CN202210189240.5A patent/CN114378395A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08174208A (en) * | 1994-12-27 | 1996-07-09 | Asahi Denki Seisakusho:Kk | Device for automatically soldering rotor of motor |
| CN101992330A (en) * | 2010-09-15 | 2011-03-30 | 深圳市天豪机电科技有限公司 | Soldering process of micro motor rotor commutator and pressure-sensitive sheet |
| CN201824036U (en) * | 2010-09-15 | 2011-05-11 | 深圳市天豪机电科技有限公司 | Rotor tin-soldering mechanism |
| CN105499738A (en) * | 2016-01-21 | 2016-04-20 | 深圳市科美达自动化设备有限公司 | Tin soldering method for commutator pin of carbon brush motor rotor |
| CN205325282U (en) * | 2016-01-21 | 2016-06-22 | 李才 | Motor rotor soldering tin tool |
| CN206689573U (en) * | 2017-04-28 | 2017-12-01 | 深圳市金加达科技有限公司 | Four station integrated tin soldering machines |
| CN107363367A (en) * | 2017-09-12 | 2017-11-21 | 常州铭赛机器人科技股份有限公司 | The pressure-sensitive tin-soldering device of iron core motor rotor assembly |
| CN210334686U (en) * | 2019-07-24 | 2020-04-17 | 东莞市精磊智能装备有限公司 | Tool seat for tin soldering machine |
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