CN114700579B - Process for tin dipping of electronic device mounting bracket - Google Patents
Process for tin dipping of electronic device mounting bracket Download PDFInfo
- Publication number
- CN114700579B CN114700579B CN202210459585.8A CN202210459585A CN114700579B CN 114700579 B CN114700579 B CN 114700579B CN 202210459585 A CN202210459585 A CN 202210459585A CN 114700579 B CN114700579 B CN 114700579B
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- adjusting
- mounting bracket
- assembly
- mounting
- tin
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000008569 process Effects 0.000 title claims abstract description 23
- 238000007598 dipping method Methods 0.000 title claims abstract description 20
- 230000004907 flux Effects 0.000 claims abstract description 17
- 238000005476 soldering Methods 0.000 claims abstract description 17
- 239000000725 suspension Substances 0.000 claims abstract description 5
- 239000012752 auxiliary agent Substances 0.000 claims description 45
- 230000007246 mechanism Effects 0.000 claims description 18
- 238000007790 scraping Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 229910000679 solder Inorganic materials 0.000 claims 3
- 230000007306 turnover Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000002390 adhesive tape Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000009499 grossing Methods 0.000 description 3
- 210000004210 tooth component Anatomy 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- B23K3/0646—Solder baths
-
- 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
- B23K3/082—Flux dispensers; Apparatus for applying flux
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The invention relates to a process for dipping tin of an electronic device mounting bracket, which comprises the steps of fixedly arranging the mounting bracket on a strip-shaped mounting bar, clamping two ends of the mounting bar on a first clamping part and a second clamping part which are positioned at high positions, adjusting the mounting bar to rotate so that a connector lug is vertically arranged in a suspension shape on the mounting bracket, adjusting the mounting bar to downwards enable the connector lug to be inserted into a tin bath for dipping tin, then adjusting the mounting bar to upwards move, adjusting the mounting bar to rotate so that each connecting pin is vertically arranged and coated with soldering flux on the connecting pin, then adjusting the mounting bracket to downwards dip tin on the connecting pin, finally adjusting the mounting bracket to upwards position, removing the mounting bar and taking the mounting bracket off the mounting bar so as to finish the tin dipping treatment of the mounting bracket. The method provided by the invention can effectively and rapidly carry out tin dipping treatment and improve the production efficiency.
Description
Technical Field
The invention relates to the field of electronic accessory production, in particular to a tin dipping process for an electronic device mounting bracket.
Background
As shown in fig. 12 (a), a mounting bracket for an electronic device is provided with 4 connection pins and a 1-2 cm connector lug at one end surface, and in the production process, it is necessary to perform tin dipping treatment on the 4 connection pins and the connector lug, and since the existing tin dipping apparatus has only a function of lifting and lowering the electronic device, but the tin dipping treatment of the connection pins and the connector lug is different and the shape of the connector lug is not uniform, the existing tin dipping apparatus cannot perform tin dipping treatment on the electronic device, and thus, it is necessary to improve it.
Disclosure of Invention
In order to solve the above problems, the present invention provides a process for dipping tin on an electronic device mounting bracket.
The technical scheme adopted by the invention is as follows.
A process for tin pick-up of an electronic device mounting bracket, comprising the operations of:
the mounting bracket is fixedly arranged on a strip-shaped assembly bar, two ends of the assembly bar are clamped on a first clamping part and a second clamping part which are positioned at high positions, the assembly bar is adjusted to rotate so that the connector lug is vertically arranged in a suspension shape on the mounting bracket, the connector lug is inserted into a tin bath to be dipped in tin by adjusting the assembly bar downwards, then the assembly bar is adjusted to move upwards, the assembly bar is adjusted to rotate so that each connecting pin is vertically arranged and coated with soldering flux on the connecting pin, then the mounting bracket is adjusted to downwards dip tin on the connecting pin, finally the mounting bracket is adjusted to upwards position, the assembly bar is dismounted, and the mounting bracket is taken down from the assembly bar so as to finish tin dipping treatment of the mounting bracket.
The specific scheme is as follows: the mounting bracket is fixed on one surface of the assembly bar and is arranged in an array, and the connecting pins are positioned on the surface of the mounting bracket far away from the assembly bar.
The mounting bracket is fixedly attached to the mounting bar by double-sided adhesive.
The first clamping part and the second clamping part are respectively provided with a clamping opening, two ends of the assembly strip are assembled in the clamping openings, limiting pieces are arranged on the clamping openings, when the assembly strip is in a high-position state, the limiting pieces are in an unlocking state, so that the two ends of the assembly strip can be moved out of the clamping openings and moved into the clamping openings, and after the assembly strip leaves from the high-position state, the limiting pieces are in a locking state, so that the two ends of the assembly strip are limited to be moved out of the clamping openings.
In the descending process of the assembly bar, the auxiliary agent groove is moved to enable the auxiliary agent groove to be located on the descending path of the assembly bar, the connecting pins are adjusted to be inserted into the auxiliary agent groove to be dipped with soldering flux, then the assembly bar is adjusted to ascend to move the auxiliary agent groove out of the descending path of the assembly bar, and then the mounting frame is adjusted to descend to dip tin on the connecting pins.
The wire smoothing plate is adjusted to smooth the wire heads in the process of coating soldering flux on the connecting pins, so that the wire heads are not contacted with tin liquid and soldering flux when the connecting pins are dipped in tin and soldering flux.
The wire straightening plate is adjusted to rotate around the rotating shaft to straighten the wire heads, the wire heads after being straightened are vertically arranged, and the lower ends of the wire heads are fixedly connected with the mounting bracket.
Before the mounting bracket is fixed on the assembly strip, the connector lug on the mounting bracket is subjected to line finishing treatment, so that the mounting frame fixed on the assembly strip is arranged in the following state: each lug is arranged along an A plane, the A plane and the B plane are arranged in an A included angle, the B plane is a plane which is arranged perpendicular to each lug, the A included angle epsilon [0, 60 ], and the A included angle is preferably 45 degrees.
Through arranging the installing support in arranging the mould and arranging whole line processing, arrange the mould and include the mould body, be provided with interval parallel arrangement's first, two slots on the mould body, first, two slots are used for the holding connecting leg, be provided with the line board of stroking out the fingers with the fingers in the outside of first slot, the line board is personally submitted the inclination state of A contained angle size and is arranged, each connector lug is arranged whole line processing on the line board of stroking out the fingers, the upper surface of each installing support on arranging the mould is pressed tightly to the assembly strip that arranges whole line processing back adoption and is provided with the double faced adhesive tape, make the upper surface of double faced adhesive tape and installing support bond, then promote the assembly strip and take out the installing support from arranging under the mould, then press from both sides the assembly strip dress and carry out subsequent handling on first, two clamp dress portions.
The method provided by the invention can effectively and rapidly carry out tin dipping treatment and improve the production efficiency.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an assembly schematic diagram of a tin bath, an auxiliary agent bath, a rotation adjusting mechanism and a lifting adjusting mechanism.
Fig. 3 is a schematic structural view of the rotation adjusting mechanism and the elevation adjusting mechanism.
Fig. 4 is an assembly schematic diagram of the slide rail, the slide member, the slide seat, the scraper, the tin bath and the auxiliary agent bath.
Fig. 5 is a rear view of fig. 3.
Fig. 6 is a left side view of fig. 3.
Fig. 7 is a schematic diagram of the principle of regulation of the limiting piece.
Fig. 8 is a schematic diagram of the principle of adjustment of the wire stripping plate.
Fig. 9 is a schematic view of the blade adjustment principle.
Fig. 10 is a schematic structural view of an arrangement mold.
Fig. 11 is a structural view of the fitting bar.
Fig. 12 is a schematic view of different states of the connection lugs and the connection pins on the mounting bracket.
The corresponding relation between the reference numerals and the components in the figures is as follows: 01-mounting bracket, 02-connector lug, 03-connecting leg, 10-frame, 11-electric cabinet, 12-tin bath, 13-auxiliary agent bath, 14-scraper, 141-slag scraping plate, 142-assembly groove body, 143-rod body, 144-second spring, 15-wire stripping plate, 16-sliding seat, 171-adjusting piece, 172-adjusting gear, 173-driving spring, 18-adjusting shaft lever, 181-adjusting driving motor, 182-cam, 191-threaded adjusting rod, 192-driving electric cylinder, 21-first cylinder, 221-bayonet, 22-second cylinder, 23-driving belt, 24-adjusting shaft, 241-rotating driving motor, 251-movable block, 252-third spring, 253-abutting movable piece, 254-connecting short rod, 255-first spring, 256-abutting piece, 257-first mounting plate, 262-second mounting plate, 263-assembly beam, 264-movable beam, 271-sliding rail, 272-sliding piece, 28-lead screw, 281-lifting adjusting motor, 29-lifting adjusting shaft, 32-first plate surface, 351-35-second plate surface assembly groove, 35-groove assembly frame, 35-groove assembly surface.
Detailed Description
The present invention will be specifically described with reference to examples below in order to make the objects and advantages of the present invention more apparent. It should be understood that the following text is intended to describe only one or more specific embodiments of the invention and does not limit the scope of the invention strictly as claimed. The present invention is not described in detail in terms of the present invention.
As shown in fig. 1 to 9, a tin pick-up device for electronic devices includes a frame 10 and a tin bath 12 disposed on the frame 10, a lifting assembly mounting rack is disposed on the frame 10, the mounting rack is provided with a first clamping portion and a second clamping portion which are disposed oppositely, the first clamping portion and the second clamping portion are used for detachably clamping two ends of an assembly bar 35, the assembly bar 35 is used for clamping and fixing a mounting bracket 01, the first clamping portion and the second clamping portion are rotatably mounted on the mounting rack, a rotation adjusting mechanism is disposed on the mounting rack, the rotation adjusting mechanism adjusts the first clamping portion and the second clamping portion to rotate, a lifting adjusting mechanism is disposed on the frame 10, and the lifting adjusting mechanism adjusts the mounting rack to lift. Through the setting of rotation adjustment mechanism for connector lug 02 when the tin pick-up, connecting pin 03 can not contact with the tin liquid in tin bath 12, and when connecting pin 03 carries out the tin pick-up, the wiring is in dodging the state, does not contact with the tin liquid in tin bath 12, thereby realizes the different tin pick-up processing to connector pin, connecting wire.
The specific operation is as follows: the first clamping device and the second clamping device respectively comprise a first column body 21 and a second column body 22, the first column body 21 and the second column body 22 are arranged transversely and oppositely, the first column body 21 and the second column body 22 are rotatably arranged on the mounting frame, the end parts of the first column body 21 and the second column body 22 are respectively provided with a bayonet 221, and two ends of a transversely arranged assembly bar 35 are detachably assembled in the bayonet 221. The bayonet 221 is provided with a limiting member for preventing both ends of the fitting bar 35 from being separated from the bayonet 221. The limiting piece is composed of movable tooth parts, fixed rack parts are respectively arranged at two ends of the assembly bar 35, the movable tooth parts are respectively arranged on the first column body 21 and the second column body 22 in a floating mode along the length direction of the first column body 21 and the length direction of the second column body 22 through a first spring 255, abutting pieces 257 are respectively arranged at the upper ends of the moving paths of the first column body 21 and the second column body 22, the abutting pieces 257 are used for abutting and adjusting the movable tooth parts and the fixed rack parts to be separated so that two ends of the assembly bar 35 can be separated from the bayonet 221, and when the assembly bar 35 descends, the abutting pieces 257 and the movable tooth parts are separated so that the movable tooth parts and the fixed rack parts are mutually adjacent to be engaged to lock the two ends of the assembly bar 35. The mounting frame comprises a first mounting plate 261 and a second mounting plate 262, the first mounting plate 261 and the second mounting plate 262 are oppositely arranged in a vertical mode, the first column body 21 and the second column body 22 are rotatably mounted at the lower ends of the first mounting plate 261 and the second mounting plate 262, bayonets 221 are respectively arranged at the inner ends of the first mounting plate 261 and the second mounting plate 262, lower driving wheels are respectively arranged on the sections of the first mounting plate 261 and the second mounting plate 262, the first column body 21 and the second column body 22, which are positioned outside the first mounting plate 261 and the second mounting plate 262, a rotation adjusting mechanism comprises an adjusting shaft 24 assembled on the mounting frame, the adjusting shaft 24 is positioned above the first column body 21 and the second column body 22, the adjusting shaft 24 is rotatably mounted on the mounting frame, upper driving wheels are respectively arranged at two ends of the adjusting shaft 24, and the upper driving wheels and the lower driving wheels which are correspondingly arranged are in transmission connection through a driving belt 23. The movable tooth component comprises a movable block 251 with a tooth surface on the surface, the movable block 251 is slidably mounted in a bayonet 221 through a first spring 255, a jack is arranged on the movable block 251, a first abutting inclined surface part is arranged on the hole wall of the jack, a vertically movable assembled abutting wedge block 256 is arranged in the jack, a second abutting inclined surface is arranged on the abutting wedge block 256, the first abutting inclined surface and the second abutting inclined surface form an inclined surface abutting fit for adjusting the movable tooth component to move along the length direction of the first cylinder 21 and the second cylinder 22, an abutting movable part 253 is arranged on the upper side of the abutting wedge block 256, a vertically arranged waist-shaped hole for allowing the end part of the adjusting shaft 24 to pass through is arranged on the abutting movable part 253, the abutting movable part 253 is slidably assembled on the first mounting plate 261 and the second mounting plate 262 in the vertical direction, the abutting movable part 253 is connected with the abutting wedge block through a connecting short rod 254, a third spring 252 is arranged on the connecting short rod 254, and the third spring 252 drives the abutting wedge block 256 to move upwards, as shown in particular in fig. 7. The abutting piece 257 is pressed against the upper end of the movable piece 253 so that the movable piece 251 moves to the inner sides of the first and second columns. The abutting member 257 is fixedly mounted on the frame 10 (mounting frame).
The preferred embodiment is as shown in fig. 4 to 6: the frame 10 is also provided with a slag scraping mechanism for scraping off tin slag on the surface of the tin liquor in the tin bath 12. The frame 10 is also provided with an auxiliary agent tank 13 which is dipped with soldering flux on the surface of the connecting pin 03, the auxiliary agent tank 13 is movably arranged on the frame 10, the auxiliary agent tank 13 is in two states, one is: the auxiliary agent tank 13 is positioned in the working state of the descending path of the assembly bar 35; the second step is: the auxiliary agent tank 13 moves out of the avoidance state where the range of the downward path of the fitting bar 35 is avoided for the downward movement of the fitting bar 35. The frame 10 is also provided with a wire smoothing mechanism which smoothes the tinned connector lug 02 on the mounting bracket 01. The mounting bracket still includes the assembly roof beam 263 of fly beam 264 and U-shaped, the horizontal form of assembly roof beam 263 is arranged, the upper end of first, two mounting panels 261, 262 and the both ends looks rigid coupling of assembly roof beam 263, fly beam 264 is located the outside of assembly roof beam 263 and with both fixed connection, two guide arms that have the form to arrange on the frame 10, the both ends slidable mounting of fly beam 264 is on two guide arms, lifting adjustment mechanism includes the accommodate spindle 28 that the form was arranged, the middle part of fly beam 264 is provided with the nut piece, accommodate spindle 28 and nut piece constitute lead screw nut adjustment mechanism, accommodate spindle 28 rotates to be installed on frame 10 and with lifting adjustment motor 281 transmission connection. The slag scraping mechanism comprises a scraping plate 14, the scraping plate 14 and an auxiliary agent tank 13 are both arranged on a movable support, the scraping plate 14 is positioned at the lower side of the auxiliary agent tank 13, the length direction of the auxiliary agent tank 13 is consistent with the length directions of the first column 21 and the second column 22, the movable support is movably arranged along the width direction of the tin tank 12, the wire stripping mechanism comprises a strip-shaped wire stripping plate 15, the length direction of the wire stripping plate 15 is consistent with the length direction of the auxiliary agent tank 13, two ends of the wire stripping plate 15 are rotatably arranged on two sliding seats 16 through rotating shafts, the sliding seats 16 are movably arranged on the auxiliary agent tank 13 or the movable support along the width direction of the auxiliary agent tank 13, the sliding seats 16 are connected with a movement adjusting component for adjusting the movement of the sliding seats, two ends of the rotating shafts are respectively provided with an adjusting gear 172, the side of the adjusting gear 172 is provided with an adjusting piece 171, the adjusting piece 171 is vertically arranged and vertically movably arranged on the sliding seats 16, the adjusting piece 171 is provided with an adjusting rack part, the adjusting rack part is meshed with the adjusting gear 172, the adjusting piece 171 is also provided with a driving spring 173, the driving spring 173 drives the adjusting piece 171 to move upwards, as shown in fig. 8, the first mounting plate 261 and the second mounting plate 262 are also provided with a pressing part, the pressing part is used for pressing the two adjusting pieces 171 to rotate downwards in the descending process of the first mounting plate 261 and the second mounting plate 262 so as to adjust the wire straightening plate 15 to overturn and straighten the wire connecting head 02, the movable support comprises two long sliding pieces 272, the rack 10 is provided with two sliding rails 271, the length direction of the sliding rails 271 and the groove width direction of the auxiliary agent groove 13 are always, the two sliding pieces 272 are respectively and slidably arranged on the sliding rails 271, the ends of the two sliding pieces 272, which are far away from the first cylinder 21 and the second cylinder 22, are connected through a first connecting beam, the first connecting beam is connected with the driving electric cylinder 192, the driving electric cylinder 192 adjusts the movable support to move, two sliding seats 16 are respectively and slidably mounted on the sliding piece 272, two sliding seats 16 are connected through a second connecting beam, a fixedly mounted adjusting nut is further arranged in the middle of the first connecting beam, a threaded adjusting rod 191 which is arranged parallel to the sliding rail 271 is assembled on the adjusting nut, one end of the threaded adjusting rod 191 and the second connecting beam are rotatably assembled, a rotating handle is arranged at the other end of the threaded connecting rod, the rotating handle is operated to rotate the threaded adjusting rod 191 to enable the wire straightening plate 15 to move along the groove width direction of the auxiliary agent groove 13, a first auxiliary mounting plate is arranged on the outer side of the first mounting plate 261, a rotating driving motor 241 is arranged on the first auxiliary mounting plate, the rotating driving motor 241 is in transmission connection with an adjusting shaft 24, a detecting piece is arranged at the end part of the first cylinder 21 extending to the outer side of the first auxiliary mounting plate, and a detecting sensor for detecting the rotating angle of the first cylinder 21 is arranged on the outer side of the detecting piece. Both ends of the auxiliary agent tank 13 are fixedly mounted on the slider 272. Specifically, a groove arranged in the length direction may be provided in the adjusting member 171, and an adjusting rack portion may be provided at the bottom of the groove.
The movable support is fixedly assembled with a piston rod of the driving electric cylinder 192, the driving electric cylinder 192 is fixedly installed on a lifting installation seat, the lifting installation seat is installed on a lifting installation frame 29 in a lifting mode, a lifting adjusting electric cylinder for adjusting the lifting installation seat to lift can be arranged on the lifting installation frame 29, and the lifting adjusting electric cylinder adjusts the driving electric cylinder 192, the movable support, the auxiliary agent tank 13 and the scraping plate 14 to integrally lift. When the auxiliary agent tank 13 is adjusted to move from the working state to the avoiding state, the auxiliary agent tank 13 and the scraping plate 14 are firstly adjusted by the lifting adjusting cylinder to descend together, so that the lower side edge of the scraping plate 14 descends to be in contact with the liquid level of tin liquid in the tin tank 12, then the scraping plate 14 and the auxiliary agent tank 13 are adjusted by the driving cylinder 192 to move to the inner side of the tin tank 12 together, the lower side edge of the scraping plate 14 scrapes the liquid level of the tin tank 12, and meanwhile the auxiliary agent tank 13 is adjusted to recover to the avoiding state. Then the auxiliary agent tank 13 and the scraping plate 14 are regulated by the lifting and lowering regulating cylinder to ascend (lift) and restore to the initial state. When the auxiliary agent tank 13 is in an operating state, the assembly bar 35 is adjusted to move downwards so that the connecting pins 03 are dipped with the soldering flux.
The scraper 14 is preferably regulated to lift in the following way, the scraper 14 comprises a vertically arranged scraper plate surface 141 and a transversely arranged mounting plate surface, the mounting plate surface is floatingly arranged at the lower side of the groove bottom of the auxiliary agent groove 13 through a rod body 143 and a second spring 144, the second spring 144 drives the scraper 14 to move upwards, a semicircular assembly groove body 142 is arranged on the mounting plate surface, an adjusting shaft lever 18 is arranged in the assembly groove body 142, two ends of the adjusting shaft lever 18 are rotatably arranged on mounting plate blocks arranged on a sliding part 272, a cam 182 is arranged on the rod body of the adjusting shaft lever 18 at intervals, one end of the adjusting shaft lever 18 is connected with an adjusting driving motor 181, and the cam 182 is enabled to abut against the assembly groove body 142 to regulate the tube plate to lift. Because the sizes of the mounting brackets 01 required to be dipped are different, when the wire straightening treatment is carried out on the wire connecting heads 02 with different sizes, the mounting positions of the wire straightening plates 15 are different, and in the invention, the two sliding seats 16 are synchronously adjusted to synchronously move by rotating the thread adjusting rods 191, so that the wire straightening requirements of the mounting brackets 01 with different sizes are realized by changing the positions of the wire straightening plates 15. The outer side edge of the wire straightening plate 15 is rotatably mounted on the two sliding seats 16 through a rotating shaft, when the assembly strip 35 descends to dip soldering flux, the extrusion adjusting piece 171 descends to enable the wire straightening plate 15 to overturn, and accordingly the wire connector 02 which is arranged in a obliquely downward suspension mode is bent upwards to be arranged in an upward vertical mode. In a specific operation process, the wire straightening plate 15 is initially arranged with its upper surface (wire straightening surface) in a horizontal or inclined shape (the upper surface inclination angle of the wire straightening plate 15 is consistent with the angle A, and the height of the side of the wire straightening plate 15 near the rotating shaft is higher), and after the wire straightening plate 15 is turned over, the wire straightening surface on the wire straightening plate 15 is vertically arranged so as to bend the connector lug 02 into an upward vertical arrangement. The pressing member is provided in consideration of the moving range of the installation position of the regulating member 171. The equipment is also provided with a detection component and a control module for detecting the running states of all the components, and an input unit, wherein the input unit is used for inputting the running parameters of all the mechanisms (such as the rotation angles of the first column body and the second column body), the detection component is used for detecting the running states of all the components, and the control module is used for processing the running states of the components according to the signals input by the detection component and the input unit so as to regulate and control the running states of the components, and the control module can be specifically arranged in the electric cabinet 11.
The invention also provides a process for tin dipping of the electronic device mounting bracket, as shown in figures 1 and 10-12, comprising the following operations:
the mounting bracket 01 is fixedly arranged on a strip-shaped assembly bar 35, two ends of the assembly bar 35 are clamped on a first clamping part and a second clamping part which are positioned at a high position, the assembly bar 35 is adjusted to rotate so that the connector lug 02 is vertically arranged in a suspension state on the mounting bracket 01, the connector lug 02 is inserted into a tin bath 12 to be dipped in tin by adjusting the assembly bar 35 downwards, then the assembly bar 35 is adjusted to move upwards, the connection pins 03 are vertically arranged by adjusting the assembly bar 35 and are coated with soldering flux on the connection pins 03, then the mounting bracket is adjusted downwards to be dipped in tin on the connection pins 03, finally the mounting bracket is adjusted upwards to be positioned at a high position, the assembly bar 35 is dismounted, and the mounting bracket 01 is taken down from the assembly bar 35 so as to finish tin dipping treatment on the mounting bracket 01.
In detail, the mounting bracket 01 is fixed to one surface of the mounting bar 35 and arranged in an array, and the connection pins 03 are located on the surface of the mounting bracket 01 remote from the mounting bar 35. The mounting bracket 01 is fixed to the fitting strip 35 by double-sided adhesive bonding. The first clamping part and the second clamping part are respectively provided with a clamping opening, two ends of the assembly strip 35 are assembled in the clamping openings, the clamping openings are provided with limiting pieces, when the assembly strip 35 is in a high-position state, the limiting pieces are in an unlocking state so that the two ends of the assembly strip 35 can be moved out of the clamping openings and moved into the clamping openings, and after the assembly strip 35 leaves from the high-position state, the limiting pieces are in a locking state so as to limit the two ends of the assembly strip 35 to be moved out of the clamping openings. In the descending process of the assembly bar 35, the auxiliary agent tank 13 is moved so that the auxiliary agent tank 13 is positioned on the descending path of the assembly bar 35, the connecting pins 03 are adjusted to be inserted into the auxiliary agent tank 13 to be dipped with soldering flux, then the assembly bar 35 is adjusted to ascend to move the auxiliary agent tank 13 out of the descending path of the assembly bar 35, and then the mounting frame is adjusted to descend to dip tin on the connecting pins 03. During the process of coating the soldering flux on the connecting pins 03, the wire smoothing plate 15 is adjusted to smooth the wire connector 02, so that the wire connector 02 is not contacted with tin liquid and the soldering flux when the connecting pins 03 are dipped in tin and the soldering flux. The wire straightening plate 15 rotates around the rotating shaft to straighten the wire connector 02, the wire connector 02 after being straightened is vertically arranged, and the lower end of the wire connector 02 is fixedly connected with the mounting bracket 01, as shown in (b) and (c) in fig. 12. As the viscosity of the double-sided tape decreases gradually, when the mounting bracket 01 is not sufficiently secured, the double-sided tape on the mounting bar 35 needs to be torn off and replaced with a new double-sided tape.
The detailed scheme is that before the mounting bracket 01 is fixed on the assembly strip 35, the wiring lug 02 on the mounting bracket 01 is subjected to line finishing treatment, so that the mounting frame fixed on the assembly strip 35 is arranged in the following state: the connector lug 02 is arranged along the plane A, the plane A and the plane B are arranged in an included angle A, the plane B is a plane which is arranged perpendicular to the connector pins, and the included angle A is epsilon [0, 60 degrees ], as shown in figures 10 and 11. Through arranging the mounting bracket 01 in the arranging die 31 and arranging the whole line, the arranging die 31 comprises a die body, first grooves 31 and second grooves 32 which are arranged in parallel at intervals are formed in the die body, the first grooves 31 and the second grooves 32 are used for accommodating connecting pins 03, a line straightening plate surface 34 is arranged outside the first grooves 32, the line straightening plate surface 34 is arranged in an inclined state with an included angle A, each wire connector 02 is arranged on the line straightening plate surface 34, after the line arranging and arranging, the upper surface of each mounting bracket 01 on the arranging die 31 is pressed by an assembly strip 35 provided with double faced adhesive tape (namely, each mounting bracket 01 is hung on the assembly surface 351, the double faced adhesive tape is attached to the upper surface of the mounting bracket 01), the mounting bracket 01 is taken out from the position under the arranging die 31 by lifting the assembly strip 35, and then the assembly strip 35 is clamped on the first clamping part and the second clamping part for subsequent treatment. Preferably included angle a = 45 °.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (7)
1. A process for tin pick-up of an electronic device mounting bracket, comprising the operations of:
the mounting bracket is fixedly arranged on a strip-shaped assembly bar, two ends of the assembly bar are clamped on a first clamping part and a second clamping part which are positioned at high positions, the assembly bar is adjusted to rotate so that the connector lug is vertically arranged in a suspension shape on the mounting bracket, the assembly bar is adjusted to move downwards so that the connector lug is inserted into a tin bath for tin dipping, then the assembly bar is adjusted to move upwards, the assembly bar is adjusted to rotate so that each connecting pin is vertically arranged and coated with soldering flux on the connecting pin, then the mounting bracket is adjusted to move downwards for tin dipping on the connecting pin, finally the mounting bracket is adjusted to move upwards, the assembly bar is dismounted, and the mounting bracket is taken down from the assembly bar so as to finish tin dipping treatment of the mounting bracket;
the first clamping part and the second clamping part are respectively provided with a bayonet, two ends of the assembly bar are assembled in the bayonet, the bayonet is provided with a limiting piece, when the assembly bar is in a high-position state, the limiting piece is in an unlocking state so that the two ends of the assembly bar can move out of the bayonet and move in the bayonet, and when the assembly bar leaves from the high-position state, the limiting piece is in a locking state so as to limit the two ends of the assembly bar to move out of the bayonet;
before the mounting bracket is fixed on the assembly strip, the connector lug on the mounting bracket is subjected to line finishing treatment, so that the mounting bracket fixed on the assembly strip is arranged in the following state: each connector lug is arranged along an A plane, the A plane and the B plane are arranged in an included angle A, the B plane is a plane which is arranged in a vertical shape with each connector pin, and the included angle A is E [0, 60 ];
arranging the mounting brackets in an arranging die, wherein the arranging die comprises a die body, first grooves and second grooves which are arranged in parallel at intervals are formed in the die body, the first grooves and the second grooves are used for accommodating connecting pins, wire straightening plates are arranged at the outer sides of the first grooves and are in inclined states with an included angle A, the wire straightening plates are arranged in an inclined state, the wire straightening plates are subjected to wire straightening treatment, after the wire straightening treatment, the upper surfaces of the mounting brackets on the arranging die are pressed by assembly strips provided with double-sided tapes, the double-sided tapes are bonded with the upper surfaces of the mounting brackets, then the assembly strips are lifted to take out the mounting brackets from the arranging die, and then the assembly strips are clamped on the first clamping part and the second clamping part for subsequent treatment;
the tin bath is arranged on the frame, a lifting type assembly mounting frame is arranged on the frame, a first clamping part and a second clamping part which are oppositely arranged are arranged on the mounting frame, the first clamping part and the second clamping part respectively comprise a first cylinder and a second cylinder, the first cylinder and the second cylinder are oppositely arranged in a transverse mode, the first cylinder and the second cylinder are rotatably arranged on the mounting frame, bayonets are respectively arranged at the end parts of the first cylinder and the second cylinder, and two ends of a transversely arranged assembly strip are detachably assembled in the bayonets;
the installation frame comprises a movable beam and a U-shaped assembly beam, the assembly beam is transversely arranged, the upper ends of the first installation plate and the second installation plate are respectively fixedly connected with the two ends of the assembly beam, the movable beam is positioned at the outer side of the assembly beam and fixedly connected with the assembly beam, the two ends of the movable beam are slidably arranged on two guide rods, a nut block is arranged in the middle of the movable beam, an adjusting screw and the nut block form a screw-nut adjusting mechanism, the adjusting screw is rotatably arranged on the frame and is in transmission connection with a lifting adjusting motor, a scraping plate and an auxiliary agent groove are both arranged on the movable bracket, the scraping plate is positioned at the lower side of the auxiliary agent groove, the groove length direction of the auxiliary agent groove is consistent with the length direction of the first column and the second column, the movable bracket is movably arranged along the groove width direction of the tin groove, the length direction of the wire straightening plate is consistent with the length direction of the auxiliary agent groove, the two ends of the wire straightening plate are rotatably arranged on the two sliding seats through a rotating shaft, the sliding seat is movably arranged on the auxiliary agent tank or the movable bracket along the width direction of the auxiliary agent tank, the sliding seat is connected with a movable adjusting component for adjusting the sliding seat to move, adjusting gears are respectively arranged at two ends of the rotating shaft, adjusting parts are arranged beside the adjusting gears, the adjusting parts are vertically arranged and movably arranged on the sliding seat along the vertical direction, adjusting rack parts are arranged on the adjusting parts, the adjusting rack parts are meshed with the adjusting gears, driving springs are further arranged on the adjusting parts, the driving springs drive the adjusting parts to move upwards, the first mounting plate and the second mounting plate are further provided with pressing parts, the pressing parts are used for pressing the two adjusting parts to rotate in the descending process of the first mounting plate and the second mounting plate so as to adjust the wire straightening plate to turn over the wire straightening heads, the movable bracket comprises two long-strip sliding parts, two sliding rails are arranged on the rack, the length directions of the sliding rails are consistent with the width direction of the auxiliary agent tank, the two sliding parts are respectively and slidably mounted on the sliding rail, the end parts of the two sliding parts, which are far away from the first cylinder and the second cylinder, are connected through a first connecting cross beam, the first connecting cross beam is connected with a driving electric cylinder, a movable support is adjusted by the driving electric cylinder to move, the two sliding seats are respectively and slidably mounted on the sliding parts and are connected through a second connecting cross beam, the middle part of the first connecting cross beam is also provided with a fixedly mounted adjusting nut, a threaded adjusting rod which is parallel to the sliding rail is mounted on the adjusting nut, one end of the threaded adjusting rod and the second connecting cross beam are rotationally mounted, the other end of the threaded connecting rod is provided with a rotating handle, the rotating handle is operated to rotate the threaded adjusting rod to enable a wire straightening plate to move along the groove width direction of an auxiliary agent groove, a first mounting plate is arranged on the outer side of the first mounting plate, and a rotating driving motor and an adjusting shaft are in transmission connection.
2. The process for tinning an electronic device mounting bracket of claim 1, wherein the mounting bracket is secured to a surface of the mounting bar and is arranged in an array with the connection pins on a surface of the mounting bracket remote from the mounting bar.
3. The process for tinning an electronic device mounting bracket of claim 2, wherein the mounting bracket is adhesively secured to the mounting bar by double sided adhesive.
4. The process for tin pick-up of electronic device mounting brackets of claim 1 wherein the method of applying flux to the bond pins is as follows: in the descending process of the assembly bar, the auxiliary agent groove is moved to enable the auxiliary agent groove to be located on the descending path of the assembly bar, the connecting pins are adjusted to be inserted into the auxiliary agent groove to be dipped with soldering flux, then the assembly bar is adjusted to ascend to move the auxiliary agent groove out of the descending path of the assembly bar, and then the mounting frame is adjusted to descend to dip tin on the connecting pins.
5. The process for soldering on an electronic device mounting bracket according to claim 4, wherein the wire stripping plate is adjusted to strip the wire heads during the process of coating the solder paste on the connection pins so that the wire heads are not contacted with the solder liquid and the solder paste when the connection pins are soldered and soldered.
6. The process for tin pick-up of an electronic device mounting bracket according to claim 5, wherein the wire straightening plate is adjusted to rotate around the rotating shaft to straighten the wire heads, the wire heads after being straightened are vertically arranged, and the lower ends of the wire heads are fixedly connected with the mounting bracket.
7. The process for electronic device mounting bracket tinning of claim 1, wherein included angle a = 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210459585.8A CN114700579B (en) | 2022-04-28 | 2022-04-28 | Process for tin dipping of electronic device mounting bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210459585.8A CN114700579B (en) | 2022-04-28 | 2022-04-28 | Process for tin dipping of electronic device mounting bracket |
Publications (2)
| Publication Number | Publication Date |
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| CN114700579A CN114700579A (en) | 2022-07-05 |
| CN114700579B true CN114700579B (en) | 2023-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210459585.8A Active CN114700579B (en) | 2022-04-28 | 2022-04-28 | Process for tin dipping of electronic device mounting bracket |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003290973A (en) * | 2002-04-08 | 2003-10-14 | Matsushita Electric Ind Co Ltd | Soldering apparatus |
| CN204621286U (en) * | 2015-05-05 | 2015-09-09 | 江西耀润磁电科技有限公司 | A kind of automatic tin soldering device of transformer lead pin |
| CN204711368U (en) * | 2015-06-09 | 2015-10-21 | 江西耀润磁电科技有限公司 | A kind of automatic tin welding machine |
| CN214322120U (en) * | 2020-11-06 | 2021-10-01 | 深圳市冠旭电子股份有限公司 | Wire rod anchor clamps and automatic soldering tin device |
| CN215545621U (en) * | 2021-07-06 | 2022-01-18 | 巅峰科技(东莞)有限公司 | Solder fillet self-cleaning tin pick-up machine |
| CN113783063B (en) * | 2021-09-08 | 2024-01-30 | 江苏博之旺自动化设备有限公司 | Automatic cable tin dipping device and method and automatic cable treatment process |
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Denomination of invention: A process for tin coating on electronic device mounting brackets Effective date of registration: 20231107 Granted publication date: 20230620 Pledgee: Yuexi Anhui rural commercial bank Limited by Share Ltd. Pledgor: Anhui yijiahong Electric Appliance Co.,Ltd. Registration number: Y2023980064372 |