CN211465106U

CN211465106U - Resistance welding device

Info

Publication number: CN211465106U
Application number: CN201922252271.7U
Authority: CN
Inventors: 吕济安
Original assignee: Taicang Anmei Hardware Machinery Co ltd
Current assignee: Taicang Anmei Hardware Machinery Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-09-11
Anticipated expiration: 2029-12-16

Abstract

The utility model discloses a resistance welding device, which comprises a base plate, wherein a slide way is arranged inside the base plate, a movable clamping block is arranged on the inner side of the slide way, the slide way is movably connected with the movable clamping block, a bolt penetrates through the outer side of the movable clamping block, a positioning block is arranged above the base plate, a rubber layer is arranged inside the positioning block, a rotating shaft is fixed on the left side of the positioning block, a bracket is arranged on the right side of the positioning block, a fixing frame is welded at the top of the bracket, and a cylinder is fixed inside the fixing frame; the position of resistance can be fixed through the use of clamp plate to this device, and the unable stable contact is in the same place between the pin of resistance and the pad when preventing to weld to the possibility of carrying out secondary welding has been reduced, with improvement welding quality and efficiency.

Description

Resistance welding device

Technical Field

The utility model belongs to the technical field of electric welding, concretely relates to resistance welding device.

Background

Welding, also known as fusion, melting, is a manufacturing process and technique that joint metal or other thermoplastic materials such as plastics with mode of heating, high temperature or high pressure, and welding equipment refers to the equipment that realizes the welding process needs, and welding equipment includes welding machine, welding process equipment and welding appurtenance, and various welding equipment in the market has the resistance of different situations when using effectively to be fixed to lead to resistance welding to appear the problem of rosin joint.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a resistance welding device to improve welding quality.

In order to achieve the above object, the utility model provides a following technical scheme: a resistance welding device comprises a base plate, a rotating shaft and a fixing frame, wherein a slide way is arranged inside the base plate, a movable clamping block is arranged on the inner side of the slide way, the slide way is movably connected with the movable clamping block, a bolt penetrates through the outer side of the movable clamping block, the bolt is in threaded connection with the movable clamping block, a positioning block is arranged above the base plate, a rubber layer is arranged inside the positioning block, the base plate is movably connected with the positioning block, the positioning block is in adhesive connection with the rubber layer, the rotating shaft is fixed on the left side of the positioning block, a support is arranged on the right side of the positioning block, the support is in welded connection with the base plate, the fixing frame is welded to the top of the support, an air cylinder is fixed inside the fixing frame, a servo motor is connected to the bottom of the air cylinder, the air cylinder is in screw connection with the servo, and the servo motor is connected with the transverse plate through screws, and spot welding frames are welded on the left side and the right side of the transverse plate.

Preferably, the movable clamping block and the base plate form a sliding structure through a sliding way, and the movable clamping block and the base plate form a fixing structure through a bolt.

Preferably, the positioning block and the base plate form a rotating structure through a rotating shaft, and the inner wall of the positioning block is tightly attached to the outer wall of the rubber layer.

Preferably, the bottom of diaphragm includes clamp plate and thermal-insulated pressure pad, the bottom welding of diaphragm has the clamp plate, and the below of clamp plate is connected with thermal-insulated pressure pad, the cross sectional shape of clamp plate bottom is half circular structure, and is adhesive connection between clamp plate and the thermal-insulated pressure pad.

Preferably, the inside of spot welding frame includes standing groove, sliding bead, switch, solenoid valve, infrared sensor, spot welding head and guiding groove, the inside of spot welding frame is provided with the standing groove, and the inside of standing groove settles and have the sliding bead, be swing joint between sliding bead and the standing groove, the inboard of sliding bead settles and has the switch, and the right side of switch is connected with the solenoid valve, the outside of spot welding frame bottom is fixed with infrared sensor, the bottom of spot welding frame is connected with the spot welding head, and the inside of spot welding head is provided with the guiding groove, the sliding bead is provided with two rows, and the even distribution of sliding bead is in the inside of standing groove to be nested structure between sliding bead and the standing groove.

Preferably, the diameter of the top of the guide groove is three times of the diameter of the bottom of the guide groove, and the top of the guide groove is in the same straight line with the placement groove.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) through the use of locating piece and pivot, can conveniently fix the circuit board, prevent that the circuit board from taking place to rock when the welding, reduced the emergence of rosin joint condition, the movable clamp splice can come position adjustment according to the circuit board size of reality moreover to improve the adaptability of device to the circuit board.

(2) The position of the resistor can be fixed by the pressing plate, so that the pin of the resistor is prevented from being stably contacted with the pad during welding, the possibility of secondary welding is reduced, the heat insulation pressing pad can protect the resistor, and the appearance of the resistor is prevented from being crushed by the pressing plate.

(3) Because the top diameter of guiding groove is far greater than the diameter of its bottom, so the soldering tin strip can not be outside along the guiding groove roll-off device, prevented that soldering tin from dropping and leading to causing the influence to the device welding to under the effect of sliding ball, speed when avoiding the soldering tin strip to descend is too fast, has prevented that the soldering tin strip from contacting with the spot welding head in succession, thereby has reduced the loss of soldering tin strip.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the spot welding frame of the present invention;

fig. 3 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

In the figure: 1. a substrate; 2. a slideway; 3. a movable clamping block; 4. a bolt; 5. positioning blocks; 6. a rubber layer; 7. a rotating shaft; 8. a support; 9. a fixed mount; 10. a cylinder; 11. a servo motor; 12. a transverse plate; 1201. Pressing a plate; 1202. a heat insulating pressure pad; 13. spot welding a frame; 1301. a placement groove; 1302. a sliding bead; 1303. A switch; 1304. an electromagnetic valve; 1305. an infrared sensor; 1306. a spot welding head; 1307. a guide groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a resistance welding device, which includes a base plate 1, a slide rail 2, a movable clamping block 3, a bolt 4, a positioning block 5, a rubber layer 6, a rotating shaft 7, a bracket 8, a fixing frame 9, a cylinder 10, a servo motor 11, a transverse plate 12, and a spot welding frame 13.

The inner part of a base plate 1 is provided with a slide way 2, the inner side of the slide way 2 is provided with a movable clamping block 3, the slide way 2 is movably connected with the movable clamping block 3, a bolt 4 penetrates through the outer side of the movable clamping block 3, the bolt 4 is in threaded connection with the movable clamping block 3, a positioning block 5 is arranged above the base plate 1, a rubber layer 6 is arranged inside the positioning block 5, the base plate 1 is movably connected with the positioning block 5, the positioning block 5 is in bonding connection with the rubber layer 6, a rotating shaft 7 is fixed on the left side of the positioning block 5, a bracket 8 is arranged on the right side of the positioning block 5, the bracket 8 is in welding connection with the base plate 1, a fixing frame 9 is welded on the top of the bracket 8, an air cylinder 10 is fixed inside the fixing frame 9, the bottom of the air cylinder 10 is connected with a servo motor 11, the air cylinder 10 is in screw connection, and the servo motor 11 is connected with the transverse plate 12 through screws, and spot welding frames 13 are welded on the left side and the right side of the transverse plate 12.

The movable clamping block 3 and the base plate 1 form a sliding structure through the slideway 2, the movable clamping block 3 and the base plate 1 form a fixed structure through the bolt 4, the positioning block 5 and the base plate 1 form a rotating structure through the rotating shaft 7, the inner wall of the positioning block 5 is tightly attached to the outer wall of the rubber layer 6, the circuit board is inserted into the positioning block 5, the rubber layer 6 clamps the circuit board, then the positioning block 5 is pushed clockwise to rotate for 90 degrees under the action of the rotating shaft 7, then the bolt 4 is unscrewed, then the movable clamping block 3 is pushed to clamp the circuit board, then the unscrewing bolt 4 is screwed, the circuit board can be conveniently fixed by using the positioning block 5 and the rotating shaft 7, the circuit board is prevented from shaking during welding, the occurrence of false welding is reduced, and the position of the movable clamping block 3 can be adjusted according to the actual size of the circuit board, so that the adaptability of the device to the circuit board is improved.

The bottom of the transverse plate 12 comprises a pressing plate 1201 and a heat insulation pressing pad 1202, the pressing plate 1201 is welded at the bottom of the transverse plate 12, the heat insulation pressing pad 1202 is connected below the pressing plate 1201, the cross section of the bottom of the pressing plate 1201 is of a semicircular structure, the pressing plate 1201 and the heat insulation pressing pad 1202 are in adhesive connection, the air cylinder 10 is filled with air, then the transverse plate 12 descends, the pressing plate 1201 descends to press the resistor, the position of the resistor can be fixed through the pressing plate 1201, the problem that pins of the resistor and the bonding pad cannot be stably contacted together during welding is avoided, the possibility of secondary welding is reduced, the heat insulation pressing pad 1202 can protect the resistor, and the appearance of the resistor is prevented from being damaged by the pressing plate 1201.

The spot welding frame 13 comprises a placing groove 1301, a sliding ball 1302, a switch 1303, an electromagnetic valve 1304, an infrared sensor 1305, a spot welding head 1306 and a guide groove 1307, the placing groove 1301 is arranged in the spot welding frame 13, the sliding ball 1302 is arranged in the placing groove 1301, the sliding ball 1302 is movably connected with the placing groove 1301, the switch 1303 is arranged on the inner side of the sliding ball 1302, the electromagnetic valve 1304 is connected with the right side of the switch 1303, the infrared sensor 1305 is fixed on the outer side of the bottom of the spot welding frame 13, the spot welding head 1306 is connected with the bottom of the spot welding frame 13, the guide groove 1307 is arranged in the spot welding head 1306, the sliding ball 1302 is arranged in two rows, the sliding ball 1302 is uniformly distributed in the placing groove 1301, a nested structure is arranged between the sliding ball 1302 and the placing groove 1301, the top diameter of the guide groove 1307 is three times of the bottom diameter of the guide groove 1307, and the top of the guide groove 1307 is on, put into the standing groove 1301 with the soldering tin bar, the soldering tin bar bottom falls into on the top of guiding groove 1307, block infrared sensor 1305 signal simultaneously, then solenoid valve 1304 control switch 1303 fixes the soldering tin bar, then the point welding frame 13 descends, under the effect of high temperature point welding head 1306, the soldering tin bar melts and flows to point welding head 1306 bottom along guiding groove 1307, then weld the pin of resistance, because the top diameter of guiding groove 1307 is far greater than the diameter of its bottom, so the soldering tin bar can not be outside along guiding groove 1307 roll-off device, prevented that soldering tin from dropping and lead to causing the influence to the device welding, and under the effect of sliding ball 1302, the speed when avoiding the soldering tin bar to descend is too fast, prevented that the soldering tin bar from contacting with point welding head 1306 in succession, thereby the loss of soldering tin bar has been reduced.

When the welding device works, firstly, a circuit board is inserted into a positioning block 5, a rubber layer 6 clamps the circuit board, then the positioning block 5 is pushed clockwise under the action of a rotating shaft 7 to rotate by 90 degrees, then a bolt 4 is unscrewed, then a movable clamping block 3 is pushed to clamp the circuit board, then the unscrewed bolt 4 is screwed, the circuit board can be conveniently fixed by using the positioning block 5 and the rotating shaft 7, the circuit board is prevented from shaking during welding, then a soldering tin bar is placed into a placing groove 1301, the bottom of the soldering tin bar falls onto the top of a guide groove 1307, simultaneously an infrared sensor 1305 signal with the model of KDS209 is blocked, then a solenoid valve 1304 control switch 1303 fixes the soldering tin bar, then a spot welding frame 13 descends, because the diameter of the top of the guide groove 1307 is far larger than that of the bottom of the guide groove 1307, the soldering tin bar can not slide out of the, prevent soldering tin from dropping and leading to causing the influence to the device welding, cylinder 10 lets in gas simultaneously, diaphragm 12 descends after that, and clamp plate 1201 descends and suppresses resistance after that, can fix the position of resistance through the use of clamp plate 1201, and the unable stable contact is in the same place between the pin of resistance and the pad when preventing to weld, and at last under the effect of high temperature spot welding head 1306, the soldering tin strip melts and flows to spot welding head 1306 bottom along guide groove 1307, then welds the pin of resistance.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A resistance welding device, characterized in that: comprises a base plate (1), a bolt (4), a rotating shaft (7) and a fixed frame (9), a slide way (2) is arranged in the base plate (1), a movable clamping block (3) is arranged at the inner side of the slide way (2), the bolt (4) penetrates through the outer side of the movable clamping block (3), a positioning block (5) is arranged above the base plate (1), a rubber layer (6) is arranged inside the positioning block (5), the rotating shaft (7) is fixed on the left side of the positioning block (5), the right side of the positioning block (5) is provided with a bracket (8), the fixed frame (9) is welded on the top of the bracket (8), the cylinder (10) is fixed in the fixed frame (9), the bottom of cylinder (10) is connected with servo motor (11), diaphragm (12) are installed to the below of servo motor (11), spot welding frame (13) are welded to the left and right sides of diaphragm (12).

2. A resistance welding device according to claim 1, wherein: the movable clamping block (3) and the base plate (1) form a sliding structure through the slide way (2), and the movable clamping block (3) and the base plate (1) form a fixing structure through the bolt (4).

3. A resistance welding device according to claim 1, wherein: the positioning block (5) and the base plate (1) form a rotating structure through the rotating shaft (7), and the inner wall of the positioning block (5) is tightly attached to the outer wall of the rubber layer (6).

4. A resistance welding device according to claim 1, wherein: the bottom of the transverse plate (12) comprises a pressing plate (1201) and a heat insulation pressing pad (1202), the pressing plate (1201) is welded at the bottom of the transverse plate (12), the heat insulation pressing pad (1202) is connected below the pressing plate (1201), the cross section of the bottom of the pressing plate (1201) is of a semicircular structure, and the pressing plate (1201) and the heat insulation pressing pad (1202) are connected in an adhesion mode.

5. A resistance welding device according to claim 1, wherein: the spot welding device comprises a spot welding frame (13), wherein the spot welding frame (13) comprises a placing groove (1301), the placing groove (1301) is arranged inside the spot welding frame (13), a sliding ball (1302) is arranged inside the placing groove (1301), the sliding ball (1302) is movably connected with the placing groove (1301), a switch (1303) is arranged inside the sliding ball (1302), the right side of the switch (1303) is connected with an electromagnetic valve (1304), an infrared sensor (1305) is fixed on the outer side of the bottom of the spot welding frame (13), a spot welding head (1306) is connected to the bottom of the spot welding frame (13), a guide groove (1307) is arranged inside the spot welding head (1306), the sliding balls (1302) are arranged in two rows, the sliding balls (1302) are uniformly distributed inside the placing groove (1301), and a nested structure is formed between the sliding balls (1302) and the placing groove (1301).

6. A resistance welding device according to claim 5, wherein: the diameter of the top of the guide groove (1307) is three times that of the bottom of the guide groove (1307), and the top of the guide groove (1307) and the placing groove (1301) are on the same straight line.