CN202411606U

CN202411606U - Tin plating device

Info

Publication number: CN202411606U
Application number: CN2011205699527U
Authority: CN
Inventors: 张荣成
Original assignee: ZHEJIANG FINEWORLD AUTOMOBILE CPMPONENTS CO Ltd
Current assignee: Zhenjiang new energy automotive technology
Priority date: 2011-12-31
Filing date: 2011-12-31
Publication date: 2012-09-05
Anticipated expiration: 2021-12-31

Abstract

The utility model relates to a tin plating device. The device mainly comprises a frame, a rotary table, a tin scraping rod supporting frame, a stepping motor, fixtures, a first fixing frame, a second fixing frame and a tin scraping rod fixing frame, wherein the rotary table is rotationally arranged at the central part of the frame and further connected with the stepping motor; the first fixing frame, the second fixing frame and the tin scraping rod fixing frame are respectively arranged on the frame on the circumferential side of the rotary table; three driving mechanisms are respectively connected to the three fixing frames; the plurality of fixtures are evenly connected to the edge of the rotary table and distributed in positions corresponding to the first and the second fixing frames; and a first supporting frame, a second supporting frame and the tin rod supporting frame are respectively connected to the first fixing frame, the second fixing frame and the tin scraping rod fixing frame in a sliding manner and further connected with the driving mechanisms on the fixing frames. According to the tin plating device, a tin pan and a soldering flux pan accurately correspond to pins to be welded of a chip, tin is plated on the pins of the chip and soldering flux is fed to the pins of the chip through lifting the tin pan and the soldering flux pan, so that the tin and the soldering flux are avoided from being wasted, and meanwhile, the pollution to the surfaces not to be welded of the chip is reduced.

Description

A kind of tinning stack

Technical field

The utility model relates to zinc-plated field, especially is a kind of tinning stack.

Background technology

Existing tinning stack is as shown in Figure 6; Be after chip to be welded being placed on the corresponding anchor clamps, chip to be sent to above the scaling powder atomizing device 92 through conveyer belt 91; Scaling powder atomizing device 92 is ejected on the chip to be welded after with the scaling powder high-pressure atomization, because the unstability of spray makes that the whole welding zone territory that helps all is vaporific scaling powder; Cause the part of entire chip except pin to be welded that welding assisted agent residuals is also all arranged, have bigger waste; Again preheating is carried out in the chip transmission through the higher preheating zone 93 of excess temperature so that with the oven dry of the scaling powder on the chip pin and for next step is zinc-plated afterwards; Chip to be welded then is transferred into tin pot 95 tops; Be provided with zinc-plated pump in the tin pot; This zinc-plated pump drives the pump pressure rising through the high speed rotation of pump motor 94; Make the liquid tin face in the tin pot produce fluctuation, the weld that utilizes tin face height to be raised to the welding thing is eaten tin, and the defective of zinc-plated existence is in this way: 1) to rotate energy consumption at a high speed big for pump motor 94; 2) the zinc-plated tin ground roll that utilizes moves realization, and inevitable requirement tin pot capacity is bigger, and the area of tin pot is big thus, and the amount of oxidation of tin is high, and then the waste of tin is big; Simultaneously also high in order to keep more a large amount of tin to be in the required energy consumption of molten condition, take.

Summary of the invention

The utility model purpose is to address the above problem, and provides a kind of and can reduce tin and scaling powder consumption and energy-conservation a kind of tinning stack and tin plating method by a relatively large margin, is specifically realized by following technical scheme:

A kind of tinning stack; This device comprises that frame, rotating disk, tin scraping shaft bar, warm-air pipe, stepper motor, several driving mechanisms, an end are provided with the tin scraping bar of scraping blade, which is provided with first support of tin pot, second support that which is provided with the scaling powder pot, a plurality of anchor clamps and first, second fixed mount and tin scraping fixed mount that is used for the zinc-plated workpiece of clamping; Said rotating disk is arranged on frame central portion rotationally and is connected with said stepper motor; Said first, second fixed mount and tin scraping fixed mount place respectively on the frame of rotating disk circumferential position one side; Be fixedly connected a driving mechanism respectively on these three fixed mounts; Warm-air pipe and tin scraping shaft bar place on rear side one side and frame front side one side of second fixed mount respectively by the dial rotation direction; Several said anchor clamps evenly be connected on the edge of rotating disk and distributing position corresponding with the position of first, second fixed mount and warm-air pipe, first, second support and tin shaft bar are slidingly connected at respectively on first, second fixed mount and the tin scraping fixed mount and are connected with driving mechanism on the fixed mount, make it that fixed mount slides up and down in the driving lower edge of driving mechanism; Tin pot on first support and the scaling powder pot on second support are positioned at the anchor clamps below; Tin shaft bar one side is provided with a driving mechanism, and the tin scraping bar is slidingly connected on the tin scraping shaft bar, and an end of tin scraping bar scraping blade is corresponding to the top of tin pot; The other end is connected with driving mechanism; Under the driving of driving mechanism, said scraping blade scrapes in the upper end of tin pot, scrapes the oxide layer of liquid tin outer surface in the detin pot.

Described tinning stack further design is that said driving mechanism is cylinder or oil cylinder.

Described tinning stack further design is that tin pot on said first support or the scaling powder pot on second support are made up of several miniature pots of the correspondence that distributes by leg on the said zinc-plated workpiece.

Described tinning stack further design is; Said tin pot or scaling powder pot bottom are provided with a plurality of locating holes; Said miniature pot bottom is provided with the reference column corresponding with said locating hole, and not coexisting according to the distribution of welding pin is provided with corresponding miniature pot on the different locating holes.

Described tinning stack further design is that an end of said anchor clamps is fixedly connected the other end with the edge of rotating disk unsettled in the rotating disk outside.

The utility model is accurately corresponding with the pin to be welded of chip with tin pot and scaling powder pot, gives the zinc-plated and last scaling powder of chip pin through lifting tin pot and scaling powder pot, has avoided the waste of scaling powder and tin, has reduced the pollution to the non-welding surface of chip simultaneously; The utility model does not use zinc-plated pump, the high energy consumption when correspondingly not having pump motor high speed rotating; The tin pot opening of the utility model is less, thereby the contact-making surface that can significantly reduce tin and air reduces the oxidation of tin and reduced corresponding heating energy consumption; The utility model has been replaced conveyer belt through rotating disk, and working space has been saved in zinc-plated, upward work such as scaling powder and preheating that the disk edge different portions is carried out simultaneously effectively.

Description of drawings

Fig. 1 is the structural representation of zinc-plated anchor clamps.

Fig. 2 is the vertical view of Fig. 1.

Fig. 3 is tin pot or scaling powder Cooker structure sketch map.

Fig. 4 is miniature Cooker structure sketch map.

Fig. 5 is tin scraping bar and driving mechanism structure sketch map thereof.

Fig. 6 is existing tin plating technique schematic flow sheet.

The specific embodiment

Below in conjunction with Figure of description the utility model is further specified:

Like Fig. 1 and shown in Figure 2; This tinning stack comprises that frame 1, rotating disk 2, tin scraping shaft bar 3, warm-air pipe 4, stepper motor 5, several driving mechanisms, an end are provided with the tin scraping bar 31 of scraping blade 32, which is provided with first support 6 of tin pot 61, second support 7 that which is provided with scaling powder pot 71, a plurality of anchor clamps that are used for the zinc-plated workpiece of clamping 21, first fixed mount 11, second fixed mount 12 and tin scraping fixed mount 13; Rotating disk 2 is arranged on frame 1 central part rotationally and is connected with stepper motor 5; First fixed mount 11, second fixed mount 12 place respectively on the frame 1 of rotating disk 2 circumferential positions one side; First support 6 on this two fixed mount is connected with first cylinder (or oil cylinder) piston rod 81, second cylinder (or oil cylinder) piston rod 82 respectively with second support 7; In conjunction with Fig. 3 and Fig. 4, the scaling powder pot 71 on the tin pot 61 on first support 6 or second support 7 is made up of several miniature pots 67 of the correspondence that distributes by leg on the zinc-plated workpiece.Tin pot 61 or scaling powder pot 71 bottoms are provided with electric heater unit and a plurality of locating hole 67A; Miniature pot 67 bottoms are provided with the reference column 67B corresponding with locating hole 67A; Locating hole 67A and reference column 67B are through being threaded; During operation, corresponding miniature pot 67 is set on not coexisting locating hole 67A different according to the distribution of welding pin.

Map 2; Warm-air pipe 4 places respectively by the dial rotation direction on rear side one side and the frame 1 front side one side of second fixed mount 12 with tin scraping shaft bar 3; 12 anchor clamps 21 evenly be connected on the edge of rotating disk 2 and distributing position corresponding with the position of first fixed mount 11, second fixed mount 12 and warm-air pipe 4, an end of anchor clamps 21 is fixedly connected the other end with the edge of rotating disk 2 unsettled in rotating disk 2 outsides.First support 6, second support 7 respectively along be arranged on slide rail 111 (121) and first fixed mount 11 on two fixed mounts, second fixed mount 12 is slidingly connected and with fixed mount on corresponding cylinder (or oil cylinder) piston rod be connected; Make it in the driving lower edge of cylinder (or oil cylinder) piston rod separately that fixed mount slides up and down, the scaling powder pot 71 on the tin pot 61 on first support 6 and second support 7 is positioned at anchor clamps 21 belows.

Map 5; Tin scraping shaft bar 3 can slide up and down to be arranged on the tin scraping fixed mount 13 through tin scraping slide rail 131; Tin scraping shaft bar 3 upper ends are connected with four-cylinder (or oil cylinder) piston rod 84, and tin scraping shaft bar 3 one sides are provided with the 3rd cylinder (or oil cylinder) piston rod 83, and tin scraping bar 31 is slidingly connected on the tin scraping shaft bar 3 through connector 33 and two guide posts 34; Scraping blade 32 is arranged on connector 33 lower ends; The operation end of scraping blade 32 is corresponding to the top of tin pot 61, and the other end is connected with the 3rd cylinder (or oil cylinder) piston rod 83 through tin scraping bar 31 and connector 33, under the driving of the 3rd cylinder (or oil cylinder) piston rod 83; Scraping blade 32 scrapes in the upper end of tin pot 61, scrapes the oxide layer of liquid tin outer surface in the detin pot 61.

It is following to adopt above-mentioned tinning stack to carry out zinc-plated process:

1) under the state that stepper motor 5 stops operating, artificial with zinc-plated clamping workpiece on the anchor clamps 21 of the first station G;

2) stepper motor 5 drive rotating disks 2 rotate and make when above-mentioned workpiece goes to first fixed mount, 11 positions, stop operating;

3) second fixed mount, 12 upper cylinders or fuel cylinder driving mechanism work; Driving second support 7 moves up; Stop to drive after making scaling powder pot 71 on second support 7 be promoted to the foot welding height that can soak on the zinc-plated workpiece, the scaling powders in the miniature here pot 67 are soaked on the leg, this cylinder or fuel cylinder driving mechanism are started working again; Drive second support 7 and move down, the leg that miniature pot 67 is lower than on the workpiece;

4) stepper motor 5 is started working again, and 2 rotations of drive rotating disk make above-mentioned workpiece go to warm-air pipe 4 positions and stop operating; 4 pairs of legs that soaked into by scaling powder of warm-air pipe carry out hot blast and blow baking;

5) stepper motor task again in setting-up time drives rotating disk 2 and rotates and make when D step chip to be welded goes to first fixed mount, 12 positions, stops operating;

6) first fixed mount, 12 upper cylinders or fuel cylinder driving mechanism work; Drive first support 6 and move up, stop to drive after making tin pot on first support 6 be promoted to the foot welding height that can soak on the zinc-plated workpiece, the liquid scolding tin in the tin pot is soaked on the leg; This cylinder or fuel cylinder driving mechanism are started working again; Drive first support and move down, make the tin pot be lower than the leg on the workpiece, completion is zinc-plated to the workpiece leg; Liquid scolding tin upper surface as in the tin pot has stannic oxide layer, starts the stannic oxide layer that tin scraping bar 31 scrapes off liquid scolding tin upper surface in the miniature pot through the driving mechanism that connects tin scraping bar 31.

7) stepper motor 5 task again drives rotating disk 2 and rotates and make above-mentioned zinc-plated workpiece get back to the first station G place, and the operating personnel will accomplish the zinc-plated workpiece of leg from anchor clamps 21 taking-ups, and put into a new zinc-plated workpiece.

In actual job, can also be through four-cylinder (or oil cylinder) thus piston rod 84 promotes or the height of the tin scraping shaft bar 3 that descends is controlled the height of scraping blade 32 indirectly.

Claims

1. tinning stack; It is characterized in that comprising that frame, rotating disk, tin scraping shaft bar, warm-air pipe, stepper motor, several driving mechanisms, an end are provided with the tin scraping bar of scraping blade, which is provided with first support of tin pot, second support that which is provided with the scaling powder pot, a plurality of anchor clamps and first, second fixed mount and tin scraping fixed mount that is used for the zinc-plated workpiece of clamping; Said rotating disk is arranged on frame central portion rotationally and is connected with said stepper motor; Said first, second fixed mount and tin scraping fixed mount place respectively on the frame of rotating disk circumferential position one side; Be fixedly connected a driving mechanism respectively on these three fixed mounts; Warm-air pipe and tin scraping shaft bar place on rear side one side and frame front side one side of second fixed mount respectively by the dial rotation direction; Several said anchor clamps evenly be connected on the edge of rotating disk and distributing position corresponding with the position of first, second fixed mount and warm-air pipe, first, second support and tin shaft bar are slidingly connected at respectively on first, second fixed mount and the tin scraping fixed mount and are connected with driving mechanism on the fixed mount, make it that fixed mount slides up and down in the driving lower edge of driving mechanism; Tin pot on first support and the scaling powder pot on second support are positioned at the anchor clamps below; Tin shaft bar one side is provided with a driving mechanism, and the tin scraping bar is slidingly connected on the tin scraping shaft bar, and an end of tin scraping bar scraping blade is corresponding to the top of tin pot; The other end is connected with driving mechanism; Under the driving of driving mechanism, said scraping blade scrapes in the upper end of tin pot, scrapes the oxide layer of liquid tin outer surface in the detin pot.

2. tinning stack according to claim 1 is characterized in that, said driving mechanism is cylinder or oil cylinder.

3. tinning stack according to claim 1 is characterized in that, tin pot on said first support or the scaling powder pot on second support are made up of several miniature pots of the correspondence that distributes by leg on the said zinc-plated workpiece.

4. tinning stack according to claim 3; It is characterized in that; Said tin pot or scaling powder pot bottom are provided with a plurality of locating holes, and said miniature pot bottom is provided with the reference column corresponding with said locating hole, and not coexisting according to the distribution of welding pin is provided with corresponding miniature pot on the different locating holes.

5. tinning stack according to claim 1 is characterized in that, an end of said anchor clamps is fixedly connected the other end with the edge of rotating disk unsettled in the rotating disk outside.