Patch welding device for PCBA board
Technical Field
The utility model relates to the technical field of PCBA boards, in particular to a patch welding device of a PCBA board.
Background
The soldering method of the chip component of the general PCBA board is two types, namely, manual soldering is carried out, namely, a soldering iron is used for tinning a bonding pad, forceps are used for clamping one end of a chip component, the other end of the component is fixed on a corresponding bonding pad of a device by the soldering iron, the forceps are removed after the soldering tin is cooled slightly, and the other end of the component is soldered by the soldering iron. The second is the machine welding, the method is to make a screen printing steel mesh, print the solder paste on the circuit board, then put the welded chip components by hand or machine mounting, finally weld the chip components by high temperature welding furnace.
The paster of current PCBA board is in the welding process, and especially the second mode uses most extensively, generally realizes the location to the PCBA board through the mounting, then places the paster on the position of PCBA board paster, when carrying out the heat cure to PCBA board and paster, leads to the aversion of paster easily, leads to the welding position of paster on the PCBA board to appear the deviation, influences the normal use of PCBA board, and general mounting can not adjust according to the size of PCBA board and paster simultaneously, can not fine realization to the fixed of PCBA board and paster. Therefore, there is a need to design a chip bonding apparatus for a PCBA board to solve the above-mentioned problems.
Disclosure of utility model
The utility model aims to provide a patch welding device for a PCBA board, which aims to solve the defects in the prior art.
In order to achieve the above object, the present utility model provides the following technical solutions:
The utility model provides a paster welding set of PCBA board, includes the upper cover of base and lock in the base top, all there is the mount through the bolt fastening on the outer wall of base top both sides, be provided with the opening on the outer wall of base one side, the center department fixed mounting of base bottom inner wall has the brace table, be provided with the setting element on the outer wall of base top one side, the inside screw thread grafting of the centre bore of upper cover top has the lead screw, and the bottom rotation of lead screw installs the clamp plate, be provided with the elasticity fastener on the outer wall of clamp plate bottom, the welding has the handle on the outer wall on lead screw top, it has the spout to open on the outer wall at upper cover both ends, and the inside slip grafting of spout has the insert block, the welding of the bottom of insert block one end has the fixture block, the welding has the projection on the outer wall of fixture block bottom one side.
Preferably, a baffle is fixedly arranged at the top of the fixing frame, and a clamping hole is formed below the baffle.
Preferably, the locating piece includes the line rail of fixed mounting on the outer wall of base top one side, and the top slip joint of line rail has the location cardboard, all weld the dog on the outer wall at line rail both ends, install positioning bolt on the outer wall at location cardboard top screw thread.
Preferably, the number of the elastic clamping pieces is four, and every two elastic clamping pieces are located on the same straight line.
Preferably, the elastic clamping piece comprises a fixed sleeve fixed on the outer wall of the bottom of the pressing plate, a stud is inserted into the fixed sleeve, two nuts are sleeved on one end of the stud in an external thread manner, a roller column is fixedly arranged at the other end of the stud, and a spring positioned between the fixed sleeve and the roller column is sleeved on the outer portion of the stud.
Preferably, the PCBA board is placed at the top of supporting bench, the paster is installed through the elasticity fastener to the bottom of clamp plate.
In the technical scheme, the patch welding device for the PCBA provided by the utility model has the beneficial effects that:
Through four elasticity clamps that set up, can let the stable below at the clamp plate of fixing of paster, through location cardboard and positioning bolt, realize that PCBA board is fixed in the stability of brace table top to through the lock installation of upper cover on the base, realize that the paster corresponds with the position of PCBA board, thereby place overall structure and weld inside the high temperature furnace.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic diagram of a mounting PCBA board and a patch structure provided by an embodiment of a patch welding device for a PCBA board of the present utility model.
Fig. 2 is a bottom view of a platen and upper cover structure provided by an embodiment of a patch soldering apparatus for a PCBA board of the present utility model.
Fig. 3 is an enlarged view of an elastic clip structure provided by an embodiment of a chip bonding apparatus for a PCBA board according to the present utility model.
Fig. 4 is a schematic view of a structure of a Printed Circuit Board Assembly (PCBA) board and a bonding pad removed according to an embodiment of the present utility model.
1A base, 2 a fixing frame, 3 a baffle, 4 clamping holes, 5 openings, 6a supporting table, 7 line tracks, 8 a stop block, 9 a positioning clamping plate, 10 a positioning bolt, 11 an upper cover, 12 a pressing plate, 13 an elastic clamping piece, 14 a screw rod, 15 a handle, 16a sliding groove, 17 a clamping block, 18 an inserting block, 19 a raised head, 20 a fixing sleeve, 21a stud, 22 a nut, 23 a spring, 24 a roller column, 25 a PCBA plate and 26 patches.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-4, the patch welding device for the PCBA board provided by the embodiment of the utility model comprises a base 1 and an upper cover 11 buckled above the base 1, wherein the outer walls of two sides of the top of the base 1 are fixed with a fixing frame 2 through bolts, a notch 5 is arranged on the outer wall of one side of the base 1, a supporting table 6 is fixedly arranged at the center of the inner wall of the bottom of the base 1, a positioning piece is arranged on the outer wall of one side of the top of the base 1, a screw rod 14 is inserted into a central hole in the top of the upper cover 11 in a threaded manner, a pressing plate 12 is rotatably arranged at the bottom end of the screw rod 14, an elastic clamping piece 13 is arranged on the outer wall of the bottom of the pressing plate 12, handles 15 are welded on the outer walls of the top of the screw rod 14, sliding grooves 16 are formed in the outer walls of two ends of the upper cover 11, an insertion block 18 is inserted into the inner sliding manner, a clamping block 17 is welded at the bottom of one end of the insertion block 18, and a raised head 19 is welded on the outer wall of one side of the bottom end of the clamping block 17.
Specifically, in this embodiment, including base 1 and lock at the upper cover 11 of base 1 top, after the completion to the installation of paster 26 and PCBA board 25, be provided with the setting element on the outer wall of base 1 top side, thereby form holistic structure, and send into the high temperature furnace and weld, all there is mount 2 through the bolt fastening on the outer wall of base 1 top both sides, be provided with opening 5 on the outer wall of base 1 one side, through the opening 5 of setting, be convenient for put into of PCBA board, the condition of being convenient for people observe the welding simultaneously, the center department fixed mounting of base 1 bottom inner wall has brace table 6, be used for the supporting role when installing to PCBA board, be provided with the setting element on the outer wall of base 1 top one side, realize the installation fixedly to PCBA board on the base through the setting element, the centre bore internal screw grafting at upper cover 11 top has lead screw 14, and the bottom rotation of lead screw 14 is installed clamp plate 12, be provided with elasticity fastener 13 on the outer wall of clamp plate 12 bottom, the operator installs the inside at elasticity fastener 13, after upper cover 11 is in base 1 top, be convenient for put into the spout 16 through screw 15, make and insert the spout 16 and have the welding groove 16 to insert the inside of plug-in groove 16, the spout 17, the welding groove 16 has the tip 16 to be had on the inner end of the tip 16, and the inside of the spout 16 is welded with the tip 16, the tip 16 is welded to the tip 16, the tip is equipped with the inside the tip of the tip is welded to the tip 16, and the tip is welded to the tip is equipped with the inside the tip of the tip 17.
A PCBA board 25 is placed on top of the support table 6, and a patch 26 is mounted on the bottom of the platen 12 via an elastic clip 13.
According to the patch welding device for the PCBA, provided by the utility model, the patches 26 can be stably fixed below the pressing plate 12 through the four elastic clamping pieces 13, the PCBA 25 is stably fixed above the supporting table 6 through the positioning clamping plates 9 and the positioning bolts 10, and the positions of the patches 26 and the PCBA 25 are corresponding through the buckling installation of the upper cover 11 on the base 1, so that the whole structure is placed in a high-temperature furnace for welding.
In one embodiment provided by the utility model, the baffle 3 is fixedly arranged at the top of the fixing frame 2, the clamping hole 4 is arranged below the baffle 3, and after the insertion block 18, the clamping block 17 and the raised head 19 synchronously move in the sliding groove 16, the raised head 19 on the clamping block 17 enters into the clamping hole 4, so that the upper cover 11 and the base 1 are fixedly connected.
In another embodiment provided by the utility model, the positioning piece comprises a wire rail 7 fixedly installed on the outer wall of one side of the top of the base 1, the top of the wire rail 7 is in sliding clamping connection with a positioning clamping plate 9, the outer walls of the two ends of the wire rail 7 are welded with stop blocks 8, the outer wall of the top of the positioning clamping plate 9 is provided with positioning bolts 10 in a threaded manner, and an operator can realize positioning installation of the PCBA board by sliding the positioning clamping plate 9 on the wire rail 7 and then clamping the positioning clamping plate 9 on the PCBA board by using the positioning bolts 10 after installing the PCBA board above the supporting table 6.
In still another embodiment provided by the utility model, the number of the elastic clamping pieces 13 is four, the elastic clamping pieces 13 are positioned on the same straight line, each elastic clamping piece 13 comprises a fixing sleeve 20 fixed on the outer wall of the bottom of the pressing plate 12, a stud 21 is inserted into the fixing sleeve 20, two nuts 22 are sleeved on one end of the stud 21 through external threads, a roller column 24 is fixedly arranged at the other end of the stud 21, a spring 23 positioned between the fixing sleeve 20 and the roller column 24 is sleeved on the outer side of the stud 21, and an operator pulls out the roller columns 24 by hands, so that a patch can be well clamped between the four roller columns 24, and therefore the fixed installation of the patch is realized.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.