A multi-reverse push-pull welding transducer

Abstract

This invention relates to the field of transducers, and more specifically to a multi-reverse push-pull welding transducer. It includes a welding head with a slide bar fixed to it, which is slidably connected to a fixed base. A hydraulic cylinder is fixed to the fixed base, driving the slide bar to slide. Multiple triangular protrusions are provided on the lower side of the welding head. Two connecting rods are fixed to the left side of the fixed base, and these two connecting rods are fixed to a right cover. An insulating sleeve is fitted onto the round rod, and multiple piezoelectric ceramic rings and electrode plates are fitted onto the insulating sleeve, spaced apart. A left and right cover are respectively inserted into the two ends of the round rod. Both the left and right cover have protrusions fixed to them, which press against the two outermost electrode plates. Nuts are threaded to both ends of the round rod, pressing against the outer sides of the left and right cover respectively. The welding head can be pushed and pulled multiple times in reverse during ultrasonic vibration, facilitating welding.

Description

Technical Field

[0001] This invention relates to the field of transducers, and more specifically to a transducer with multiple reverse push-pull welding. Background Technology

[0002] Ultrasonic welding is a processing method that uses the heat energy generated by ultrasonic vibrations to weld materials. It is mainly suitable for welding materials such as plastics and metals. The ultrasonic vibrations act on the workpiece surface, generating frictional heat that partially melts the material surface and forms a weld. Traditional welding transducers can only cause the welding head to vibrate ultrasonically, and cannot move it significantly to adjust the welding position through multiple reverse push-pull adjustments. Summary of the Invention

[0003] To overcome the shortcomings of the prior art, the present invention provides a multi-reverse push-pull welding transducer, the advantage of which is that the welding head can be pushed and pulled in reverse multiple times while ultrasonically vibrating, which facilitates welding.

[0004] A multi-reverse push-pull welding transducer includes a welding head, on which a slide bar is fixed. The slide bar is slidably connected to a fixed base, and a hydraulic cylinder is fixed on the fixed base. The hydraulic cylinder drives the slide bar to slide. Multiple triangular protrusions are provided on the lower side of the welding head.

[0005] Two connecting rods are fixed on the left side of the fixed base. The two connecting rods are fixed on the right cover. An insulating sleeve is fitted on the round rod. Multiple piezoelectric ceramic rings and electrode plates are fitted on the insulating sleeve. The multiple piezoelectric ceramic rings and electrode plates are spaced apart. The left cover and the right cover are respectively inserted into the two ends of the round rod.

[0006] Both the left and right cover seats are fixed with protrusions. The left and right cover seats press against the two outermost electrode plates through the protrusions. Nuts are threaded to both ends of the round rod, and the two nuts press against the outer sides of the left and right cover seats respectively.

[0007] The electrode sheet has slots, and the slots of two adjacent electrode sheets face opposite directions. A conductive post is fixed on the upper side of the left cover and a conductive post is fixed on the lower side of the right cover. The conductive posts are inserted into multiple slots on the same side. Attached Figure Description

[0008] The present invention will now be described in further detail with reference to the accompanying drawings and specific implementation methods.

[0009] Figure 1 A schematic diagram of a multi-reverse push-pull welding transducer. Figure 1 ;

[0010] Figure 2 A schematic diagram of a multi-reverse push-pull welding transducer. Figure 2 ;

[0011] Figure 3 A schematic diagram of a multi-reverse push-pull welding transducer. Figure 3 ;

[0012] Figure 4 Schematic diagram of a round rod Figure 1 ;

[0013] Figure 5 Schematic diagram of a round rod Figure 2 ;

[0014] Figure 6 This is a schematic diagram of the welding head structure;

[0015] Figure 7 Schematic diagram of the base structure Figure 1 ;

[0016] Figure 8 Schematic diagram of the base structure Figure 2 .

[0017] In the figure: round rod 101; right cover 102; slot 103; conductive post 104; left cover 105; insulating sleeve 106; piezoelectric ceramic ring 107; electrode plate 108; protrusion 109; screw 110; clamping rod 111;

[0018] Welding head 201; slide bar 202; fixed base 203; connecting rod 204; triangular protrusion 205;

[0019] Base 301; Triangular protrusion 2 302; Welding base 303; Support plate 304; Fastening screw 305; Limiting block 306; Stop 307; Guide rod 308. Detailed Implementation

[0020] like Figure 6 As shown, this example demonstrates how adjusting the position of the upper weldment can ensure a secure weld between the two weldments.

[0021] The welding transducer, which involves multiple reverse push-pull welding, includes a welding head 201. A slide bar 202 is connected to the welding head 201 by screws. The slide bar 202 is slidably connected to a fixed base 203. A hydraulic cylinder is fixed on the fixed base 203. The hydraulic cylinder drives the slide bar 202 to slide. Multiple triangular protrusions 205 are provided on the lower side of the welding head 201. When the welding head 201 is driven by ultrasonic waves to vibrate left and right, the hydraulic cylinder can extend and retract to control the slide bar 202 to slide on the fixed base 203, thereby driving the welding head 201 to move left and right significantly. This places two welded parts vertically. The welding head 201 can press against the upper welded part through the multiple triangular protrusions 205, thereby causing the upper welded part to move left and right to adjust its position. While the ultrasonic vibration is occurring, the upper welded part is pushed and pulled multiple times in the opposite direction, adjusting the position of the upper welded part and making the two welded parts firmly welded.

[0022] like Figure 4-6 As shown, this example can achieve the effect of emitting ultrasonic waves after driving multiple piezoelectric ceramic rings 107 to be energized.

[0023] Two connecting rods 204 are welded to the left side of the fixed base 203. The two connecting rods 204 are connected to the right cover 102 by screws. An insulating sleeve 106 is fitted on the round rod 101. Multiple piezoelectric ceramic rings 107 and electrode plates 108 are fitted on the insulating sleeve 106. The multiple piezoelectric ceramic rings 107 and electrode plates 108 are spaced apart. The left cover 105 and the right cover 102 are respectively inserted into the two ends of the round rod 101. The insulating sleeve 106 plays an insulating role to prevent the multiple piezoelectric ceramic rings 107 and electrode plates 108 from contacting the round rod 101. The multiple electrode plates 108 can be energized, thereby energizing the multiple piezoelectric ceramic rings 107, and thus driving the multiple piezoelectric ceramic rings 107 to emit ultrasonic waves after being energized.

[0024] like Figure 4-5 As shown, this example can achieve the effect of pressing multiple piezoelectric ceramic rings 107 and multiple electrode sheets 108 together.

[0025] Since both the left cover 105 and the right cover 102 are welded with protrusions 109, the left cover 105 and the right cover 102 press against the two outermost electrode plates 108 through the protrusions 109. The left and right ends of the round rod 101 are threaded with nuts. The two nuts press against the outside of the left cover 105 and the right cover 102 respectively. Rotating the two nuts presses against the outside of the left cover 105 and the right cover 102 respectively, so that the left cover 105 and the right cover 102 press against the multiple piezoelectric ceramic rings 107 and the multiple electrode plates 108, thereby pressing the multiple piezoelectric ceramic rings 107 and the multiple electrode plates 108 together to prevent poor contact.

[0026] like Figure 4-5 As shown, this example can achieve the effect of simultaneously supplying power to multiple piezoelectric ceramic rings 107.

[0027] Since the electrode plate 108 is provided with a slot 103, the slots 103 of two adjacent electrode plates 108 face opposite directions. The upper side of the left cover 105 is connected to a conductive post 104 by a screw, and the lower side of the right cover 102 is connected to a conductive post 104 by a screw. The conductive post 104 is inserted into multiple slots 103 on the same side. One of the two conductive posts 104 is connected to the positive terminal of the power supply, and the other is connected to the negative terminal of the power supply, so that the two conductive posts 104 respectively energize multiple electrode plates 108, so that the electrodes between two adjacent electrode plates 108 are opposite, and thus simultaneously supply power to multiple piezoelectric ceramic rings 107.

[0028] like Figure 4-5As shown, this example can achieve the effect of stabilizing the connection between the conductive post 104 and the multiple electrode sheets 108.

[0029] Since a clamping rod 111 is pressed into the middle of each of the two conductive posts 104, and the clamping rod 111 is made of insulating material, the two ends of the screw 110 pass through the ends of the two clamping rods 111 respectively. The two ends of the screw 110 are threaded with nuts, and the two nuts are pressed against the outside of the two clamping rods 111 respectively. Rotating the two nuts presses the two clamping rods 111 respectively, so that the two clamping rods 111 always tend to move closer to each other, and thus the two conductive posts 104 always tend to press against the multiple electrode plates 108, so that the conductive posts 104 and the multiple electrode plates 108 are stably connected.

[0030] like Figure 4-8 As shown, this example allows the left cover 105 to be easily adjusted in height by sliding vertically on the two guide rods 308.

[0031] Since both ends of the left cover 105 are vertically slidably connected to a guide rod 308, and the lower ends of the two guide rods 308 are welded to the base 301, the left cover 105 can be easily adjusted vertically by sliding on the two guide rods 308.

[0032] like Figure 7-8 As shown, this example can achieve the effect of driving the vibration of the welded part.

[0033] Since the upper part of each of the two guide rods 308 is fitted with a compression spring, and the upper part of each of the two guide rods 308 is slidably connected with a stop 307, the compression spring is located on the upper side of the left cover 105. Two hydraulic cylinders are connected to the left cover 105 by screws. The movable ends of the two hydraulic cylinders are respectively connected to the two stop 307 by screws. When the two hydraulic cylinders extend and retract at the same time, they can drive the two stop 307 to slide vertically. When the two stop 307 slides downward, it drives the two compression springs to be compressed, thereby driving the left cover 105 to always have downward pressure. This causes the round rod 101, the right cover 102, the two connecting rods 204, the fixed seat 203, the slide bar 202 and the welding head 201 to press down, so that the welding head 201 presses on the welding part located on the upper side, driving the welding part to vibrate, thereby realizing the friction welding between the two welding parts.

[0034] like Figure 4-8 As shown, this example can achieve the effect of lifting the welding head 201.

[0035] Because the left side of the base 301 is connected to a hydraulic cylinder 3 by screws, the upper end of the hydraulic cylinder 3 is pressed against the lower side of the left cover 105. By extending the hydraulic cylinder 3, the left cover 105 can be lifted upward, which in turn lifts the round rod 101, the right cover 102, the two connecting rods 204, the fixed seat 203, the slide bar 202 and the welding head 201 upward, so that the welding head 201 is raised.

[0036] like Figure 7-8 As shown, this example can achieve the effect of ultrasonic vibration friction between two welded parts.

[0037] Because the right end of the base 301 is connected to the welding seat 303 by screws, and the upper side of the welding seat 303 is provided with multiple triangular protrusions 302, the welding seat 303 is used to place the welding parts located on the lower side, and the multiple triangular protrusions 302 play an anti-slip role, thereby making the welding parts located on the lower side stable and facilitating ultrasonic vibration friction between the two welding parts.

[0038] like Figure 7-8 As shown, this example can limit the position of the welded part on the welding socket 303, preventing the welded part from sliding back and forth at will.

[0039] Since the welding base 303 has support plates 304 welded on both the left and right sides, and each support plate 304 has a limit block 306 slidably connected to its front and rear ends, and each limit block 306 has a fastening screw 305 threaded on its lower side, the fastening screw 305 presses on the corresponding support plate 304. The welding head 201 is located above the welding base 303. The two support plates 304 can support the welding parts located on the lower side with a larger area. Each limit block 306 can move back and forth to adjust its position, thereby limiting the welding parts on the welding base 303 and preventing the welding parts from sliding back and forth at will.

Claims

1. A multi-reverse push-pull welding transducer, comprising a welding head (201), characterized in that: A slide bar (202) is fixed on the welding head (201). The slide bar (202) is slidably connected to the fixed base (203). A hydraulic cylinder is fixed on the fixed base (203). The hydraulic cylinder drives the slide bar (202) to slide. Multiple triangular protrusions (205) are provided on the lower side of the welding head (201). Two connecting rods (204) are fixed on the left side of the fixed base (203). The two connecting rods (204) are fixed on the right cover (102). An insulating sleeve (106) is fitted on the round rod (101). Multiple piezoelectric ceramic rings (107) and electrode plates (108) are fitted on the insulating sleeve (106). The multiple piezoelectric ceramic rings (107) and electrode plates (108) are spaced apart. The left cover (105) and the right cover (102) are respectively inserted into the two ends of the round rod (101). Both the left cover (105) and the right cover (102) are fixed with protrusions (109). The left cover (105) and the right cover (102) press against the two outermost electrode plates (108) through the protrusions (109). Nuts are threaded to both ends of the round rod (101), and the two nuts press against the outer sides of the left cover (105) and the right cover (102) respectively. The electrode sheet (108) is provided with a slot (103), and the slots (103) of two adjacent electrode sheets (108) face opposite directions. A conductive post (104) is fixed on the upper side of the left cover (105), and a conductive post (104) is fixed on the lower side of the right cover (102). The conductive post (104) is inserted into multiple slots (103) on the same side. Each of the two conductive posts (104) has a clamp rod (111) pressed in the middle. The clamp rod (111) is made of insulating material. The two ends of the screw (110) pass through the ends of the two clamp rods (111) respectively. Both ends of the screw (110) are threaded with nuts. The two nuts are pressed on the outside of the two clamp rods (111) respectively. Both ends of the left cover (105) are vertically slidably connected to a guide rod (308), and the lower ends of the two guide rods (308) are fixed on the base (301); Compression springs are sleeved on the upper part of both guide rods (308), and stop seats (307) are slidably connected to the upper part of both guide rods (308). The compression springs are located on the upper side of the left cover seat (105). Two hydraulic cylinders are fixed on the left cover seat (105), and the movable ends of the two hydraulic cylinders are respectively fixed on the two stop seats (307). A hydraulic cylinder is fixed to the left side of the base (301), and the upper end of the hydraulic cylinder rests against the lower side of the left cover (105).

2. The multi-reverse push-pull welding transducer according to claim 1, characterized in that: The right end of the base (301) is fixed with a welding seat (303), and the upper side of the welding seat (303) is provided with a plurality of triangular protrusions (302).

3. The multi-reverse push-pull welding transducer according to claim 2, characterized in that: The welding base (303) has a support plate (304) fixed on both the left and right sides of the upper part. Each support plate (304) has a limit block (306) slidably connected to both the front and rear ends. Each limit block (306) has a fastening screw (305) threaded on the lower side. The fastening screw (305) presses on the corresponding support plate (304). The welding head (201) is located above the welding base (303).

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