CN210587557U - Gold-removing tin-coating device for pins of QFP (quad Flat Package) devices - Google Patents
Gold-removing tin-coating device for pins of QFP (quad Flat Package) devices Download PDFInfo
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- CN210587557U CN210587557U CN201921617389.9U CN201921617389U CN210587557U CN 210587557 U CN210587557 U CN 210587557U CN 201921617389 U CN201921617389 U CN 201921617389U CN 210587557 U CN210587557 U CN 210587557U
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Abstract
The utility model discloses a QFP device pin removes gold and bores tin device belongs to the pin and removes gold and bores tin technical field. The gold-removing and tin-coating device for the QFP device pin comprises a workbench, a feeding station, a gold-removing station, a tin-coating station and a discharging station; the workbench is also provided with a transverse sliding assembly, a longitudinal sliding assembly, a four-side pin adjusting rotary table and a posture adjusting mechanism; the longitudinal sliding component can slide up and down along the transverse sliding component; the posture adjusting mechanism penetrates through the longitudinal sliding assembly and can adjust the working angle of the QFP device; the four-side pin adjusting turntable is fixedly connected with the posture adjusting mechanism and used for switching the four sides of the QFP device back and forth, the gold-removing tin-coating device for the pins of the QFP device can switch the four sides of the QFP device to sequentially remove gold-coating tin, and can adjust the angles of the pins and a tin pot in the gold-coating tin removing process, so that the operation difficulty of workers is greatly reduced, and the working efficiency is improved.
Description
Technical Field
The utility model relates to a pin removes gold and bores tin technical field, in particular to QFP device pin removes gold and bores tin device.
Background
The gold element is widely applied to the surface coating of the electrode or the bonding pad of the electronic device due to the characteristics of good chemical stability, difficult oxidation and the like. In the production of aerospace printed board assemblies, electronic components are typically soldered to the printed board pads using Sn63Pn37 solder soldering.
At present, in the military industry standards at home and abroad, in order to prevent the phenomenon of gold brittleness, gold-plated component pins are required to be welded after gold-removing tin-coating treatment. The QFP packaging chip is a typical component with four sides provided with gold-plated pins, the pins are led out from four sides and are in a gull wing shape, the base materials comprise three types of ceramics, metals and plastics, the distance between the pins is small, the pins are thin and easy to deform, and the gold and tin removal has the following difficulties:
1. under the condition of no special tool clamping, the gold and tin enameling can be removed by directly using a tin pot by holding the tin pot by a hand;
2. the manual tin plating is dependent on the proficiency of operators, the gold and tin removing effect is poor in consistency, and the production efficiency is low;
3. the bonding pads have high density and small space, and the gold and tin plating is easily bridged by manual gold removal.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a QFP device pin removes gold and bores tin device to solve present manual gold that removes and bore tin operation technical requirement height and have the potential safety hazard, production efficiency is low, and produces the problem of bridging easily between the pin.
In order to solve the technical problem, the utility model provides a QFP device pin gold removing and tin coating device, which comprises a workbench, a feeding station, a gold removing station, a tin coating station and a discharging station;
the workbench comprises a vertical supporting platform and a horizontal supporting platform;
the feeding station, the metal removing station, the tin coating station and the blanking station are sequentially arranged on the horizontal support platform according to a process sequence;
the vertical support table is also provided with a transverse sliding assembly, a longitudinal sliding assembly, a four-side pin adjusting rotary table and a posture adjusting mechanism;
the longitudinal sliding component is connected with the transverse sliding component through a spring, and the longitudinal sliding component can slide up and down along the transverse sliding component;
the posture adjusting mechanism penetrates through the longitudinal sliding assembly and can adjust the working angle of the QFP device;
the four-edge pin adjusting turntable is fixedly connected with the posture adjusting mechanism and is used for switching the four edges of the QFP device back and forth.
Optionally, the transverse sliding assembly comprises a transverse connecting rod, a transverse handle, a hinge connecting block, a transverse fixing block and a return spring;
the transverse connecting rod is connected with the hinge shaft connecting block through a hinge shaft, and the transverse connecting rod can rotate around the hinge shaft connecting block; the hinge shaft connecting block is fixedly connected with the transverse sliding block through a bolt;
a through groove is formed in the middle of the transverse fixed block and used for placing the transverse connecting rod, and two ends of the reset spring are fixedly connected with the transverse fixed block and the transverse connecting rod respectively;
the transverse handle is fixedly connected to the tail end of the transverse connecting rod, and manual grasping and force application are facilitated.
Optionally, the top end fixedly connected with polyurethane cushion of horizontal connecting rod, polyurethane cushion with the upper surface contact of vertical brace table for increase frictional force prevents the subassembly that transversely slides makes a round trip to slide.
Optionally, the longitudinal sliding assembly comprises a longitudinal sliding block, a longitudinal connecting rod, a longitudinal handle and an anti-pushing mechanism;
the longitudinal connecting rod is positioned in the longitudinal sliding block and is rotationally connected with the longitudinal sliding block through a pin;
the longitudinal handle is fixedly connected to the tail end of the longitudinal connecting rod, and manual grasping and force application are facilitated.
Optionally, the anti-pushing mechanism comprises a telescopic head, a telescopic slide rail, a slide block, an adjustable hanging rope and an anti-falling hook;
the telescopic slide rail is fixedly connected with the longitudinal sliding block; the telescopic head is fixedly connected to the top end of the sliding block and can move back and forth on the telescopic sliding rail along with the sliding block;
the anti-falling hook is vertically connected to the longitudinal connecting rod;
the two ends of the adjustable hanging rope are respectively sleeved on the anti-falling hook and the fixing bolt of the sliding block.
Optionally, the four-side pin adjusting turntable comprises a plurality of elastic bolts, a rotating disc, a limiting block and a device sucking mechanism;
the four elastic bolts are uniformly distributed on the four sides of the rotating disc, springs are arranged in the middle of the elastic bolts, and the middle movable block can move back and forth in the elastic bolts along the vertical direction;
the limiting block is positioned below the elastic bolt, and a V-shaped groove is formed in the limiting block and used for placing a middle movable block of the elastic bolt so as to limit the rotation of the rotating disc;
the tail end of the device sucking mechanism is fixedly connected with the rotating disc, and the top end of the device sucking mechanism is provided with a plurality of suckers for sucking the QFP devices; the device suction mechanism can rotate back and forth under the action of the rotary disc, so that the four sides of the QFP device can be switched.
Optionally, the posture adjusting mechanism comprises a hand wheel, a rotary indexing disc, a rotary table and a locking bolt;
the connecting rod at the front end of the hand wheel penetrates through the rotary indexing disc to be fixedly connected with the rotary table; the four-side pin adjusting rotary table penetrates through the rotary table and is fixedly connected with the rotary table, and the four-side pin adjusting rotary table can be driven by the rotary table to rotate;
the locking bolt is positioned on the side wall of the rotary indexing disc and is in threaded connection with the rotary indexing disc.
Optionally, a plurality of transverse sliding rails are further arranged on the vertical supporting platform, and the transverse sliding assembly can slide back and forth along the transverse sliding rails.
Optionally, a gold removing limiting block and a tin coating limiting block are further arranged on the vertical supporting platform, and the gold removing limiting block and the tin coating limiting block are respectively located above the gold removing station and the tin coating station; and a gold removing micrometer and a tin lining micrometer are respectively arranged on two sides of the transverse sliding assembly, and the descending height of the QFP device is judged by observing the numerical value of the gold removing micrometer or the tin lining micrometer in the downward moving process of the longitudinal sliding assembly.
Optionally, the top end of the four-side pin adjusting turntable is communicated with a plurality of vacuum air pipes, and the tail ends of the vacuum air pipes are connected with a pneumatic triple piece for sucking the QFP devices; the horizontal support platform is provided with pneumatic switches the number of which is the same as that of the vacuum air pipes, and the vacuum air pipes can be controlled independently.
The utility model provides a QFP device pin gold removing and tin coating device, which comprises a workbench, a feeding station, a gold removing station, a tin coating station and a blanking station; the feeding station, the metal removing station, the tin coating station and the blanking station are sequentially arranged on the workbench according to a process sequence; the workbench is also provided with a transverse sliding assembly, a longitudinal sliding assembly, a four-side pin adjusting rotary table and a posture adjusting mechanism; the longitudinal sliding component is connected with the transverse sliding component through a spring, and the longitudinal sliding component can slide up and down along the transverse sliding component; the posture adjusting mechanism penetrates through the longitudinal sliding assembly and can adjust the working angle of the QFP device; the four-side pin adjusting turntable is fixedly connected with the posture adjusting mechanism and used for switching the four sides of the QFP device back and forth, the gold-removing tin-coating device for the pins of the QFP device can switch the four sides of the QFP device to sequentially remove gold-coating tin, and can adjust the angles of the pins and a tin pot in the gold-coating tin removing process, so that the operation difficulty of workers is greatly reduced, and the working efficiency is improved.
Drawings
FIG. 1 is a schematic view of the front overall structure of a QFP device pin gold-removing tin-coating device provided by the present invention;
FIG. 2 is a schematic view of the overall structure of the side of a QFP device pin gold-removing tin-coating device provided by the present invention;
FIG. 3 is a schematic structural diagram of a lateral sliding assembly of a QFP device pin gold-removing tin-coating device provided by the present invention;
FIG. 4 is a schematic structural diagram of a longitudinal sliding assembly of a QFP device pin gold-removing tin-coating device provided by the present invention;
FIG. 5 is a schematic structural diagram of a four-side pin adjusting turntable of a QFP device pin gold-removing tin-coating device provided by the present invention;
FIG. 6 is a structural diagram of an attitude adjusting mechanism of a QFP device pin gold removing and tin coating device.
Detailed Description
The following describes in detail a QFP device pin gold-removing tin-coating apparatus according to the present invention with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
The utility model provides a QFP device pin gold removing and tin coating device, the structure of which is shown in figure 1 and figure 2, comprising a workbench 1, a feeding station 2, a gold removing station 3, a tin coating station 4 and a blanking station 5; the workbench 1 comprises a vertical support platform 1-1 and a horizontal support platform 1-2, and the vertical support platform 1-1 and the horizontal support platform 1-2 are vertically arranged; the feeding station 2, the metal removing station 3, the tin coating station 4 and the blanking station 5 are sequentially arranged on the horizontal support table 1-2 according to a process sequence; the vertical support table 1-1 is also provided with a transverse sliding assembly 6, a longitudinal sliding assembly 7, a four-side pin adjusting rotary table 8 and a posture adjusting mechanism 9; the longitudinal sliding assembly 7 is connected with the transverse sliding assembly 6 through a spring, the longitudinal sliding assembly 7 can slide up and down along the transverse sliding assembly 6, the resilience force of the spring can lift the longitudinal sliding assembly 7 upwards, the labor intensity of workers can be greatly reduced, and the production efficiency is improved; the posture adjusting mechanism 9 penetrates through the longitudinal sliding assembly 7, can adjust the working angle of the QFP device 15, adjusts the pin of the QFP device 15 to an included angle of 45-60 degrees with the horizontal plane, and can effectively avoid bridging between the pin and the pin when entering a tin pot for tin coating; the four-edge pin adjusting turntable 8 is fixedly connected with the posture adjusting mechanism 9 and is used for switching the four edges of the QFP device 15 back and forth.
Specifically, as shown in fig. 3, the transverse sliding assembly 6 includes a transverse connecting rod 61, a transverse handle 62, a hinge connecting block 63, a transverse fixing block 64 and a return spring 65; the transverse connecting rod 61 is connected with the hinge shaft connecting block 63 through a hinge shaft, and the transverse connecting rod 61 can rotate around the hinge shaft connecting block 63; the hinge connecting block 63 is fixedly connected with the transverse sliding block through a bolt; a through groove is formed in the middle of the transverse fixing block 64 and used for placing the transverse connecting rod 61, and two ends of the return spring 65 are fixedly connected with the transverse fixing block 64 and the transverse connecting rod 61 respectively; the transverse handle 62 is fixedly connected to the tail end of the transverse connecting rod 61, so that manual grasping and force application are facilitated; the top fixedly connected with polyurethane cushion 66 of horizontal connecting rod 61, polyurethane cushion 66 with the upper surface contact of vertical supporting bench 1-1 for increase frictional force prevents horizontal subassembly 6 that slides back and forth, works as horizontal subassembly 6 that slides to the assigned position after, unclamps horizontal handle 62 with horizontal connecting rod 61, reset spring 65 kick-backs, makes polyurethane cushion 66 pastes tightly the upper surface of vertical supporting bench 1-1, because polyurethane cushion 66 can produce great frictional force, and whole horizontal subassembly 6 that slides will stop at the assigned position, guarantees to remove gold and bores tin process and can not appear the skew.
Specifically, as shown in fig. 4, the longitudinal sliding assembly 7 includes a longitudinal sliding block 71, a longitudinal link 72, a longitudinal handle 73, and an anti-pushing mechanism 74; the longitudinal connecting rod 72 is positioned inside the longitudinal sliding block 71 and is rotationally connected with the longitudinal sliding block 71 through a pin; the longitudinal handle 73 is fixedly connected to the tail end of the longitudinal connecting rod 72, so that manual grasping and force application are facilitated; further, the anti-pushing mechanism 74 includes a telescopic head 741, a telescopic sliding rail 742, a slider 743, an adjustable hanging rope 744 and an anti-dropping hook 745; the telescopic slide rail 742 is fixedly connected with the longitudinal sliding block 71; the telescopic head 741 is fixedly connected to the top end of the slider 743, and can move back and forth on the telescopic sliding rail 742 along with the slider 743; the anti-falling hook 745 is vertically connected to the longitudinal link 72; two ends of the adjustable hanging rope 744 are respectively sleeved on the anti-falling hook 745 and the fixing bolt of the slide block 743; when the longitudinal sliding assembly 7 needs to move downwards, the longitudinal handle 73 is pressed downwards, the anti-falling hook 745 drives the adjustable hanging rope 744 and the slider 743 to move backwards, the telescopic head 741 will be separated from the vertical supporting platform 1-1, and the longitudinal sliding block 71 can move downwards; the pushing prevention mechanism 74 can effectively prevent the longitudinal sliding component 7 from moving downwards due to the error collision of workers, so that the pins of the QFP device 15 are damaged or the workers are injured.
Specifically, as shown in fig. 5, the four-side pin adjustment turntable 8 includes a plurality of elastic bolts 81, a rotating disk 82, a limiting block 83, and a device suction mechanism 84; four elastic bolts 81 are arranged and uniformly distributed on four sides of the rotating disc 82, a spring is arranged in the middle of each elastic bolt 81, and a movable block in the middle can move back and forth in the elastic bolts 81 along the vertical direction; the limiting block 83 is positioned below the elastic bolt 81, and a V-shaped groove is formed in the limiting block 83 and used for placing a middle movable block of the elastic bolt 81, so that the rotation of the rotating disc 82 is limited; the tail end of the device sucking mechanism 84 is fixedly connected with the rotating disc 82, and the top end of the device sucking mechanism is provided with a plurality of suckers for sucking the QFP device 15; the device pick-up mechanism 84 can be rotated back and forth by the rotary disk 82 to realize quad-switching of the QFP devices 15.
Specifically, as shown in fig. 6, the posture adjustment mechanism 9 includes a hand wheel 91, a rotary index plate 92, a rotary table 93, and a lock bolt 94; a connecting rod at the front end of the hand wheel 91 penetrates through the rotary indexing disc 92 to be fixedly connected with the rotary table 93; the four-side pin adjusting rotary table 8 penetrates through the rotary table 93 and is fixedly connected with the rotary table 93, and the four-side pin adjusting rotary table 8 can be driven by the rotary table 93 to rotate; the locking bolt 94 is positioned on the side wall of the rotary indexing disk 92 and is in threaded connection with the rotary indexing disk 92; if the QFP device 15 is horizontally placed in a tin pot, the four-side pins and the bottom surface of the QFP device 15 are in contact with liquid in the tin pot, which may cause damage to the QFP device 15, so when the QFP device 15 is placed in the tin pot, the QFP device 15 needs to be rotated by a certain angle, and the QFP device 15 can be rotated to form an angle of 45 to 60 degrees with the horizontal plane by rotating the hand wheel 91, so that only one side of the QFP device 15 enters the tin pot when the QFP device 15 descends each time, and no bridging occurs between the pins.
Specifically, please continue to refer to fig. 1 and fig. 2, a plurality of transverse sliding rails 10 are further disposed on the vertical support platform 1-1, and the transverse sliding assembly 6 can slide back and forth along the transverse sliding rails 10; a gold removing limiting block 13 and a tin coating limiting block 14 are further arranged on the vertical support table 1-1, and the gold removing limiting block 13 and the tin coating limiting block 14 are respectively positioned above the gold removing station 3 and the tin coating station 4; a gold removing micrometer 12 and a tin coating micrometer 11 are respectively arranged on two sides of the transverse sliding assembly 6, and the descending height of the QFP device 15 is judged by observing the numerical value of the gold removing micrometer 12 or the tin coating micrometer 11 in the descending process of the longitudinal sliding assembly 7, so that the descending position of the QFP device 15 is more accurate, and the production efficiency can be effectively improved; the top end of the four-edge pin adjusting turntable 8 is communicated with a plurality of vacuum air pipes 16, and the tail ends of the vacuum air pipes 16 are connected with a pneumatic triple piece for sucking the QFP device 15; the horizontal support platform 1-2 is provided with the same number of pneumatic switches 17 as the vacuum air pipes 16, and the vacuum air pipes 16 can be controlled independently.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.
Claims (10)
1. The gold-removing tin-coating device for the QFP device pin is characterized by comprising a workbench (1), a feeding station (2), a gold-removing station (3), a tin-coating station (4) and a discharging station (5);
the workbench (1) comprises a vertical supporting platform (1-1) and a horizontal supporting platform (1-2);
the feeding station (2), the metal removing station (3), the tin coating station (4) and the discharging station (5) are sequentially arranged on the horizontal support table (1-2) according to a process sequence;
the vertical support table (1-1) is also provided with a transverse sliding assembly (6), a longitudinal sliding assembly (7), a four-side pin adjusting rotary table (8) and a posture adjusting mechanism (9);
the longitudinal sliding component (7) is connected with the transverse sliding component (6) through a spring, and the longitudinal sliding component (7) can slide up and down along the transverse sliding component (6);
the posture adjusting mechanism (9) penetrates through the longitudinal sliding assembly (7) and can adjust the working angle of the QFP device (15);
the four-edge pin adjusting turntable (8) is fixedly connected with the posture adjusting mechanism (9) and is used for switching the four edges of the QFP device (15) back and forth.
2. The gold and tin removing device for the pins of the QFP device in claim 1, wherein the transverse sliding assembly (6) comprises a transverse connecting rod (61), a transverse handle (62), a hinge connecting block (63), a transverse fixing block (64) and a return spring (65);
the transverse connecting rod (61) is connected with the hinge connecting block (63) through a hinge, and the transverse connecting rod (61) can rotate around the hinge connecting block (63); the hinge connecting block (63) is fixedly connected with the transverse sliding block through a bolt;
a through groove is formed in the middle of the transverse fixing block (64) and used for placing the transverse connecting rod (61), and two ends of the return spring (65) are fixedly connected with the transverse fixing block (64) and the transverse connecting rod (61) respectively;
the transverse handle (62) is fixedly connected to the tail end of the transverse connecting rod (61), so that manual grasping and force application are facilitated.
3. The gold and tin removing device for QFP device pins as claimed in claim 2, wherein a polyurethane pad (66) is fixedly connected to the top end of the transverse connecting rod (61), and the polyurethane pad (66) is in contact with the upper surface of the vertical supporting platform (1-1) for increasing friction force and preventing the transverse sliding component (6) from sliding back and forth.
4. The gold and tin removing device for the pins of the QFP device as claimed in claim 1, wherein the longitudinal sliding assembly (7) comprises a longitudinal sliding block (71), a longitudinal connecting rod (72), a longitudinal handle (73) and a pushing prevention mechanism (74);
the longitudinal connecting rod (72) is positioned inside the longitudinal sliding block (71) and is rotationally connected with the longitudinal sliding block (71) through a pin;
the longitudinal handle (73) is fixedly connected to the tail end of the longitudinal connecting rod (72) so as to be convenient for manual grasping and force application.
5. The gold and tin removing device for the pins of the QFP device in claim 4, wherein the pushing prevention mechanism (74) comprises a telescopic head (741), a telescopic sliding rail (742), a sliding block (743), an adjustable hanging rope (744) and a dropping prevention hook (745);
the telescopic slide rail (742) is fixedly connected with the longitudinal sliding block (71); the telescopic head (741) is fixedly connected to the top end of the slider (743) and can move back and forth on the telescopic slide rail (742) along with the slider (743);
the anti-falling hook (745) is vertically connected to the longitudinal connecting rod (72);
two ends of the adjustable hanging rope (744) are respectively sleeved on the anti-falling hook (745) and the fixing bolt of the sliding block (743).
6. The gold and tin removing device for the pins of the QFP device as claimed in claim 1, wherein the quad-lead adjusting turntable (8) comprises a plurality of elastic bolts (81), a rotating disc (82), a limiting block (83) and a device sucking mechanism (84);
four elastic bolts (81) are uniformly distributed on four sides of the rotating disc (82), a spring is arranged in the middle of each elastic bolt (81), and a movable block in the middle can move back and forth in the elastic bolts (81) along the vertical direction;
the limiting block (83) is positioned below the elastic bolt (81), and a V-shaped groove is formed in the limiting block (83) and used for placing a middle movable block of the elastic bolt (81) so as to limit the rotation of the rotating disc (82);
the tail end of the device sucking mechanism (84) is fixedly connected with the rotating disc (82), and the top end of the device sucking mechanism is provided with a plurality of suckers for sucking the QFP device (15); the device sucking mechanism (84) can rotate back and forth under the action of the rotary disk (82), so that the quad-switching of the QFP device (15) is realized.
7. The gold and tin removing device for the pins of the QFP device as claimed in claim 1, wherein the attitude adjusting mechanism (9) comprises a hand wheel (91), a rotary indexing disc (92), a rotary table (93) and a locking bolt (94);
the connecting rod at the front end of the hand wheel (91) penetrates through the rotary indexing disc (92) to be fixedly connected with the rotary table (93); the four-side pin adjusting rotary table (8) penetrates through the rotary table (93) and is fixedly connected with the rotary table, and the four-side pin adjusting rotary table (8) can be driven by the rotary table (93) to rotate;
the locking bolt (94) is positioned on the side wall of the rotary indexing disc (92) and is in threaded connection with the rotary indexing disc (92).
8. The gold and tin removing device for pins of QFP devices as claimed in claim 1, wherein said vertical support platform (1-1) is further provided with a plurality of transverse sliding rails (10), and said transverse sliding assembly (6) can slide back and forth along said transverse sliding rails (10).
9. The gold-removing tin-coating device for the QFP device pin of claim 1, wherein a gold-removing limiting block (13) and a tin-coating limiting block (14) are further arranged on the vertical supporting platform (1-1), and the gold-removing limiting block (13) and the tin-coating limiting block (14) are respectively positioned above the gold-removing station (3) and the tin-coating station (4); and a gold removing micrometer (12) and a tin coating micrometer (11) are respectively arranged on two sides of the transverse sliding assembly (6), and the descending height of the QFP device (15) is judged by observing the numerical value of the gold removing micrometer (12) or the tin coating micrometer (11) in the downward moving process of the longitudinal sliding assembly (7).
10. The gold and tin removing device for the pins of the QFP device as claimed in claim 1, wherein the top end of the quad-pin adjusting turntable (8) is communicated with a plurality of vacuum air pipes (16), and the tail end of each vacuum air pipe (16) is connected with a pneumatic triple piece for sucking the QFP device (15); the horizontal supporting platform (1-2) is provided with the same number of pneumatic switches (17) as the vacuum air pipes (16), and the vacuum air pipes (16) can be controlled independently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921617389.9U CN210587557U (en) | 2019-09-26 | 2019-09-26 | Gold-removing tin-coating device for pins of QFP (quad Flat Package) devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921617389.9U CN210587557U (en) | 2019-09-26 | 2019-09-26 | Gold-removing tin-coating device for pins of QFP (quad Flat Package) devices |
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| CN210587557U true CN210587557U (en) | 2020-05-22 |
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| CN201921617389.9U Active CN210587557U (en) | 2019-09-26 | 2019-09-26 | Gold-removing tin-coating device for pins of QFP (quad Flat Package) devices |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111681972A (en) * | 2020-06-19 | 2020-09-18 | 中国航空无线电电子研究所 | Tool for assisting gold removal of chip with pins and gold removing and tin coating method |
| CN113649667A (en) * | 2021-09-08 | 2021-11-16 | 上海无线电设备研究所 | Batch gold removing tool and method for square flat surface-mounted device with pins |
| CN114247954A (en) * | 2021-12-13 | 2022-03-29 | 中国电子科技集团公司第十三研究所 | Immersion type tin-coating gold-removing device |
| CN115418591A (en) * | 2022-08-29 | 2022-12-02 | 西安微电子技术研究所 | Tin-coating system for components |
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2019
- 2019-09-26 CN CN201921617389.9U patent/CN210587557U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111681972A (en) * | 2020-06-19 | 2020-09-18 | 中国航空无线电电子研究所 | Tool for assisting gold removal of chip with pins and gold removing and tin coating method |
| CN111681972B (en) * | 2020-06-19 | 2024-03-15 | 中国航空无线电电子研究所 | Frock assisting gold removal of mounted chip with pins and Jin Tangxi removal method |
| CN113649667A (en) * | 2021-09-08 | 2021-11-16 | 上海无线电设备研究所 | Batch gold removing tool and method for square flat surface-mounted device with pins |
| CN114247954A (en) * | 2021-12-13 | 2022-03-29 | 中国电子科技集团公司第十三研究所 | Immersion type tin-coating gold-removing device |
| CN115418591A (en) * | 2022-08-29 | 2022-12-02 | 西安微电子技术研究所 | Tin-coating system for components |
| CN115418591B (en) * | 2022-08-29 | 2023-11-14 | 西安微电子技术研究所 | Tin lining system for components |
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