Clamp for spot welding of circuit board
Technical Field
The invention relates to a fixture for spot welding, in particular to a fixture for spot welding of a circuit board, and belongs to the technical field of application of auxiliary equipment for processing the circuit board.
Background
When the circuit board is processed, some electronic components such as resistors, capacitors, inductors, potentiometers, transformers and the like are required to be welded on the surface of the circuit board, and when the circuit board is subjected to spot welding, a clamp is required to be used for fixing the circuit board.
When the general clamp clamps the circuit board, a spanner is required to be used for screwing a screw rod to fix the circuit board, and when the spanner is rotated, a worker is required to manually rotate, and a power assisting device is possibly lacked; when the circuit board is in spot welding, the cover plate may be required to protect the circuit board, and the circuit boards with different models are required to be in spot welding at different positions, and different cover plates may be required to be replaced, so that the common cover plate is more troublesome to replace and is more inconvenient to replace. Therefore, a jig for spot welding of a circuit board is proposed to solve the above-mentioned problems.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a jig for spot welding of a circuit board.
The invention realizes the purpose through the following technical scheme that the clamp for spot welding of the circuit board comprises a fixed plate and a pressing block, wherein the surface of the fixed plate is fixedly connected with a first baffle plate and a second baffle plate, one side of the fixed plate is provided with three threaded holes, the three threaded holes are all in threaded connection with screws, a cavity is formed in the pressing block, gears are connected in the cavity through rotating rods, the number of the gears is three, two adjacent gears are in meshed connection, the rotating rods are fixedly connected with the screws, one side of the pressing block is provided with a first motor, a second motor and a rocking rod, the number of the rotating rods is three, the three rotating rods are sequentially sleeved with the rocking rod, the output end of the second motor and the output end of the first motor, a switch is embedded on the surface of the rocking rod, and the first motor, the second motor and the pressing block are fixedly connected;
the fixed plate one side is equipped with the rotor, the rotor is opened there is the shrinkage pool, the inside rotation of shrinkage pool is connected with the pivot, the pivot rigid coupling has the cover plate, the round hole has been opened on the cover plate surface, cover plate surface rigid coupling has the fixture block, the briquetting is opened there is the draw-in groove, the fixed plate surface is opened there is the spout, the inside sliding connection of spout has the slider, the slider both sides are equipped with magnet piece and dog respectively, magnet piece is inlayed inside the rotor, the dog is placed inside the spout, rotor and pivot number are two, and two rotor respectively with fixed plate and slider rigid coupling.
Preferably, the rocker is of a Z-shaped structure, and one end of the rocker is sleeved with a rubber sleeve.
Preferably, the number of the switches is two, and the two switches are respectively electrically connected with the first motor and the second motor.
Preferably, the connecting part of the rotating rod and the pressing block is sleeved with a bearing.
Preferably, the first baffle plate and the second baffle plate are vertically arranged, and the number of the first baffle plates is two.
Preferably, the surface of the fixing plate is provided with a plurality of fixing holes.
The beneficial effects of the invention are as follows:
1. the device has reasonable structure and novel design, the pressing block and the second baffle plate can be convenient for clamping and fixing the circuit board through the rocker, the first motor and the second motor can play a role in assisting force, the labor intensity of workers can be reduced, and the clamping time of the circuit board can be saved;
2. when the device circuit board is in spot welding, the cover plate can protect the circuit board, the circuit board is in spot welding through the round hole, the cover plate can be conveniently replaced through the sliding block and the sliding groove, different cover plates are replaced, and the device is applicable to spot welding of different circuit boards and convenient to use.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the structure of the pressing block and the rocker of the invention;
FIG. 3 is a schematic view of the inner structure of the chute according to the present invention;
FIG. 4 is a schematic view of a block and slider structure according to the present invention.
In the figure: 1. the fixed plate, 2, the pressing block, 3, the first baffle, 4, the second baffle, 5, the fixed hole, 6, the threaded hole, 7, the screw, 8, the rotating rod, 9, the gear, 10, the first motor, 11, a second motor, 12, a rocker, 13, a switch, 14, a rotating block, 15, a cover plate, 16, a clamping block, 17, a round hole, 18, a chute, 19, a sliding block, 20, a magnet block, 21 and a stop block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, a clamp for spot welding of a circuit board comprises a fixed plate 1 and a pressing block 2, wherein a first baffle 3 and a second baffle 4 are fixedly connected to the surface of the fixed plate 1, three threaded holes 6 are formed in one side of the fixed plate 1, three threaded holes 6 are respectively in threaded connection with a screw rod 7, when the screw rods 7 rotate in the threaded holes 6, the pressing block 2 can be driven to move, a cavity is formed in the pressing block 2, gears 9 are rotatably connected to the inside of the cavity through rotating rods 8, the number of the gears 9 is three, two adjacent gears 9 are in meshed connection, the three screws 7 can be synchronously rotated through transmission of the gears 9, the rotating rods 8 are fixedly connected with the screw rods 7, one side of the pressing block 2 is provided with a first motor 10, a second motor 11 and a rocking rod 12, the number of the rotating rods 8 are sequentially sleeved with the output ends of the rocking rods 12 and the output ends of the first motor 10, a switch 13 is embedded on the surface of the rocking rod 12, the first motor 10 and the pressing block 2 are fixedly connected with the second motor 11, and the first motor 10 and the second motor 11 can be rotated positively and reversely;
the fixed plate 1 one side is equipped with the rotating block 14, the rotating block 14 is opened there is the shrinkage pool, the inside rotation of shrinkage pool is connected with the pivot, the pivot rigid coupling has the cover plate 15, and the cover plate 15 can protect the circuit board, the round hole 17 has been opened on the cover plate 15 surface, cover plate 15 surface rigid coupling has fixture block 16, the briquetting 2 is opened there is the draw-in groove, the spout 18 has been opened on the fixed plate 1 surface, the inside sliding connection of spout 18 has slider 19, slider 19 both sides are equipped with magnet piece 20 and dog 21 respectively, and slider 19 is made by the metal iron, and magnet piece 20 can produce the suction to slider 19, and dog 21 can make the shrinkage pool support the pivot, magnet piece 20 is inlayed inside rotating block 14, dog 21 is placed inside spout 18, rotating block 14 and pivot number are two, and two rotating block 14 and fixed plate 1 and slider 19 rigid coupling respectively.
As a technical optimization scheme of the invention, the rocker 12 is of a Z-shaped structure, and one end of the rocker 12 is sleeved with a rubber sleeve which can facilitate a worker to rotate the rocker 12.
As a technical optimization scheme of the invention, the number of the switches 13 is two, the two switches 13 are respectively electrically connected with the first motor 10 and the second motor 11, and the switches 13 can control the first motor 10 and the second motor 11 to be turned on and off.
As a technical optimization scheme of the invention, a bearing is sleeved at the joint of the rotating rod 8 and the pressing block 2, and the bearing can ensure the rotation of the rotating rod 8.
As a technical optimization scheme of the invention, the first baffle plates 3 and the second baffle plates 4 are vertically arranged, the number of the first baffle plates 3 is two, and the first baffle plates 3 can provide positioning for the placement of the circuit board.
As a technical optimization scheme of the invention, a plurality of fixing holes 5 are formed in the surface of the fixing plate 1, and the fixing holes 5 can fix the fixing plate 1.
When the screw rod 7 is required to be taken down, the first motor 10 can be started through the switch 13 to provide assistance for screwing the screw rod 7, the anticlockwise rocking rocker 12 can drive the gear 9 to rotate, the screw rod 7 can be screwed into the threaded hole 6 through the transmission of the gear 9, the second motor 11 can be started through the switch 13 to provide assistance for screwing the screw rod 7, and the screw rod 7 can be screwed out of the threaded hole 6 through the transmission of the gear 9; when carrying out spot welding, accessible pivot rotates cover plate 15, make cover plate 15 cover on the circuit board, fix cover plate 15 through fixture block 16 and draw-in groove, carry out spot welding to the circuit board through round hole 17, when carrying out spot welding to different circuit boards, can take out dog 21, slider 19 slides, make rotor 14 remove, make the pivot leave from the shrinkage pool, take down cover plate 15, change new cover plate 15, through slider 19, make the shrinkage pool support the pivot tightly, then put dog 21 in spout 18, can fix rotor 14 through dog 21 and magnet piece 20, accomplish the change.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.