Ultrasonic binding welding head

Abstract

The utility model discloses an ultrasonic binding welding head, which relates to the technical field of welding heads, and comprises a welding platform, a welding assembly is mounted on the welding platform, and the welding assembly comprises a connecting column, a welding head, an ultrasonic generator, ceramic welding teeth, an ultrasonic generator and a filling hole, a connecting column is mounted on the welding platform, a cylindrical welding head is mounted at the end of the connecting column, a plurality of ceramic welding teeth are neatly arranged on the outer surface of the welding head, the cross section of each ceramic welding tooth is trapezoidal, and an ultrasonic generator is eccentrically mounted in the welding head. According to the welding head, the current collector is welded in a roll welding mode, the ultrasonic generator provides enough energy to guarantee the welding quality, the pressure of the welding head is effectively relieved through the ceramic welding teeth, and perforation is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding head technical field, specifically a kind of ultrasonic edge rolling welding head. BACKGROUND

[0002] Current collector welding is a process used in battery manufacturing, mainly for connecting current collector (such as copper foil or aluminum foil) with electrode material. The current collector is responsible for collecting and conducting current in the battery, and the welding quality directly affects the performance and safety of the battery. Common welding methods include ultrasonic welding, laser welding and resistance welding, among which ultrasonic welding generates heat through high-frequency vibration to achieve the connection between materials, and is suitable for thin-layer materials.

[0003] In the prior art, there are often too many light transmission points caused by welding point pressure penetration, which affects the performance of the product during use. In the case of roll welding, low power may cause welding failure. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an ultrasonic edge rolling welding head to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: the ultrasonic edge rolling welding head comprises a welding platform, a welding assembly is installed on the welding platform, the welding assembly comprises a connecting column, a welding head, an ultrasonic generator, ceramic welding teeth, an ultrasonic generator and a filling hole;

[0006] A connecting column is installed on the welding platform, a welding head is installed at the end of the connecting column, the welding head is cylindrical, a plurality of ceramic welding teeth are arranged in order on the outer surface of the welding head, the cross section of the ceramic welding teeth is trapezoidal, and an ultrasonic generator is eccentrically installed inside the welding head.

[0007] This welding head uses roll welding to weld the current collector, the ultrasonic generator provides sufficient energy to ensure the welding quality, and the ceramic welding teeth effectively relieve the pressure of the welding head and reduce the occurrence of perforation.

[0008] As a preferred technical scheme, the side of the connecting column away from the welding head is provided with a filling hole,

[0009] The filling hole is filled with fireproof cotton during use to avoid equipment fire caused by high temperature of the welding head through the connecting column, ensuring production safety.

[0010] As a preferred technical scheme, a driving assembly is provided on the welding platform, which provides driving force for the operation of the welding assembly, and a detection assembly is provided on the welding platform, which provides driving force for the operation of the welding assembly.

[0011] As a preferred technical scheme, the driving assembly comprises a module slide rail, a slide rod, a first electric telescopic rod, a motor mounting plate, a servo motor, a second electric telescopic rod and a fixing ring.

[0012] Two module slide rails are mounted on the welding platform, and the two module slide rails are connected through a slide rod, the slide rod is in sliding fit with the module slide rail, the first electric telescopic rod is mounted on the slide rod, the first electric telescopic rod is provided with the motor mounting plate at the end, the servo motor is mounted on the motor mounting plate, and the output shaft of the servo motor is connected with one end of the connecting column provided with the filling hole.

[0013] When welding is needed, the first electric telescopic rod is adjusted to elongate, so that the welding head reaches the specified height, then the module slide rail and the servo motor are started, the slide rod drives the welding head to move in the horizontal direction along the module slide rail, the servo motor drives the welding head to rotate through the connecting column, and the current collector is welded, so that the equipment can normally operate, the welding work is completed, and the moving speed of the slide rod along the module slide rail is the same as the linear speed of the rotation of the welding head, so that the welding head does not generate friction force to the current collector when rotating and advancing, the current collector is prevented from being damaged due to the friction force, the production efficiency is improved, and the production quality is ensured.

[0014] As a preferred technical scheme, the slide rod is provided with the second electric telescopic rod, the second electric telescopic rod is provided with the fixing ring at the end, the fixing ring is sleeved on the connecting column, the fixing ring is in rotary fit with the connecting column, and the first electric telescopic rod is electrically connected with the second electric telescopic rod.

[0015] When the first electric telescopic rod is elongated, an electric signal is generated to control the second electric telescopic rod to elongate correspondingly, so that the line between the connecting column and the center of the welding head is always horizontal, the stress at the welding position is uniform, the existence of the second electric telescopic rod and the fixing ring can prevent the welding head from tilting due to the excessive weight of one end of the welding head, and the welding quality is ensured.

[0016] As a preferred technical scheme, the detection assembly comprises a mounting groove, a sliding groove, a transparent heat insulation plate, a connecting frame, a light source emitter, a mounting plate, a photosensitive power supply and a processor.

[0017] The mounting groove and the sliding groove are formed in the welding platform and are communicated, the transparent heat insulation plate is mounted above the mounting groove, the upper surface of the transparent heat insulation plate is flush with the welding platform, the connecting frame is mounted on the slide rod and extends into the sliding groove and the mounting groove, a plurality of photosensitive resistors are uniformly distributed on the part of the connecting frame in the mounting groove, the mounting positions of the photosensitive resistors and the positions of the ceramic welding teeth are located in the same vertical plane, the mounting plate is mounted on the connecting frame, a plurality of light source emitters are mounted on the lower end of the mounting plate, and the light source emitters are located directly above the photosensitive resistors.

[0018] As a preferred technical solution, a processor is installed on the mounting bracket, and the processor is electrically connected to both the photoresistor and the first electric telescopic rod.

[0019] During welding, the slide bar moves synchronously along the module slide rail, driving the connecting frame to move. The light source emitter emits light to illuminate the welded current collector. If a perforation occurs, the light will pass through the perforation and illuminate the photoresistor. At this time, the processor will adjust the extension of the first electric telescopic rod according to the feedback current data to ensure that the welding height of the welding head is appropriate, which can effectively reduce the occurrence of welding perforations and effectively improve production quality.

[0020] Compared with the prior art, the beneficial effects of this utility model are:

[0021] 1. The welding head uses roll welding to weld the current collector. The ultrasonic generator provides sufficient energy to ensure welding quality, and the ceramic welding teeth effectively relieve the pressure on the welding head and reduce the occurrence of perforation.

[0022] 2. The configuration of the drive components ensures the normal operation of the welding head, guarantees appropriate relative movement between the welding head and the current collector, and improves production efficiency.

[0023] 3. By setting up the detection components, it is possible to detect the occurrence of weld perforation, and adjust the height of the weld head according to the detection results, effectively reducing the occurrence of perforation and improving production quality. Attached Figure Description

[0024] Figure 1 This is a first-view structural diagram of the present invention;

[0025] Figure 2 This is a schematic diagram of the second-view structure of the present invention;

[0026] Figure 3 This is a partial structural schematic diagram of the present invention;

[0027] Figure 4 This is a schematic diagram of the first partial cross-sectional structure of the present invention;

[0028] Figure 5 This is a schematic diagram of the second partial cross-sectional structure of the present invention;

[0029] Figure 6 This is a schematic diagram of the first cross-sectional structure of the present invention;

[0030] Figure 7 This utility model Figure 6 A magnified structural diagram of point A in the middle.

[0031] In the diagram: 1. Welding platform;

[0032] 2, welding assembly; 201, connecting column; 202, welding head; 203, ceramic welding tooth; 204, ultrasonic generator; 205, filling hole;

[0033] 3, drive assembly; 301, module slide rail; 302, slide rod; 303, first electric telescopic rod; 304, motor mounting plate; 305, servo motor; 306, second electric telescopic rod; 307, fixing ring;

[0034] 4, detection assembly; 401, mounting groove; 402, sliding groove; 403, transparent heat insulation plate; 404, connecting frame; 405, light source emitter; 406, mounting plate; 407, photosensitive resistor; 408, processor; DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0036] Embodiment: as shown in the figure, the present application provides an ultrasonic edge rolling welding head technical scheme, characterized in that: the ultrasonic edge rolling welding head comprises a welding platform 1, the welding platform 1 is provided with a welding assembly 2, the welding assembly 2 comprises a connecting column 201, a welding head 202, an ultrasonic generator 204, a ceramic welding tooth 203, an ultrasonic generator 204 and a filling hole 205; Figures 1-6 The welding platform 1 is provided with a connecting column 201, the connecting column 201 is provided with a welding head 202 at the end, the welding head 202 is cylindrical, a plurality of ceramic welding teeth 203 are arranged in order on the outer surface of the welding head 202, the cross section of the ceramic welding tooth 203 is trapezoidal, and the ultrasonic generator 204 is eccentrically arranged in the welding head 202.

[0037] The welding head 202 adopts a rolling welding mode to weld the current collector, the ultrasonic generator 204 provides sufficient energy to ensure the welding quality, and the ceramic welding tooth 203 effectively relieves the pressure of the welding head 202 on the current collector, thereby reducing the occurrence of perforation.

[0038] The connecting column 201 is provided with a filling hole 205 away from the welding head 202,

[0039]

[0040] ​The filling hole 205 is filled with fireproof cotton during use, so as to avoid that the temperature of the welding head 202 is too high to cause the equipment to catch fire through the connecting column 201, and to ensure production safety.

[0041] The welding platform 1 is provided with a driving assembly 3, which provides driving force for the operation of the welding assembly 2.

[0042] As shown in Figures 1-2 and Figure 6 The driving assembly 3 comprises a module sliding rail 301, a sliding rod 302, a first electric telescopic rod 303, a motor mounting plate 304, a servo motor 305, a second electric telescopic rod 306 and a fixing ring 307.

[0043] Two module sliding rails 301 are mounted on the welding platform 1, and the two module sliding rails 301 are connected through the sliding rod 302, which is in sliding fit with the module sliding rail 301. The first electric telescopic rod 303 is mounted on the sliding rod 302, and the motor mounting plate 304 is mounted at the end of the first electric telescopic rod 303. The servo motor 305 is mounted on the motor mounting plate 304, and the output shaft of the servo motor 305 is connected with one end of the connecting column 201 provided with the filling hole 205.

[0044] When welding is needed, the first electric telescopic rod 303 is adjusted to be elongated, so that the welding head 202 reaches a specified height. Then the module sliding rail 301 and the servo motor 305 are started, the sliding rod drives the welding head 202 to move horizontally along the module sliding rail 301, and the servo motor 305 drives the welding head 202 to rotate through the connecting column 201, so as to weld the current collector. This ensures that the equipment can operate normally and complete the welding work. The moving speed of the sliding rod 302 along the module sliding rail 302 is the same as the linear speed of the rotation of the welding head 202, so as to ensure that the welding head 202 does not generate friction force on the current collector when rotating and advancing, prevent the current collector from being damaged due to friction, and improve the production efficiency while ensuring the production quality.

[0045] The second electric telescopic rod 306 is mounted on the sliding rod 302, and the fixing ring 307 is mounted at the end of the second electric telescopic rod 306. The fixing ring 307 is sleeved on the connecting column 201, and the fixing ring 307 is in rotating fit with the connecting column 201. The first electric telescopic rod 303 and the second electric telescopic rod 306 are electrically connected.

[0046] When the first electric telescopic rod 303 is elongated, an electric signal is sent out to control the second electric telescopic rod 306 to be elongated correspondingly, so that the line between the connecting column 201 and the center of the welding head 202 is always horizontal, the force on the welding position is uniform, and the existence of the second electric telescopic rod 306 and the fixing ring 307 can prevent the welding head from being inclined due to the excessive weight of one end of the welding head 202, and the welding quality can be ensured.

[0047] As shown in Figures 1-2 and Figure 7 The detection assembly 4 comprises a mounting groove 401, a sliding groove 402, a transparent heat insulation plate 403, a connecting frame 404, a light source emitter 405, a mounting plate 406, a photosensitive resistor 407 and a processor 408.

[0048] The welding platform 1 is provided with the mounting groove 401 and the sliding groove 402, and the mounting groove 401 and the sliding groove 402 are communicated; the transparent heat insulation plate 403 is arranged above the mounting groove 401 and the upper surface of the transparent heat insulation plate 403 is flush with the welding platform 1; the connecting frame 404 is arranged on the sliding rod 302 and extends into the sliding groove 402 and the mounting groove 401; the connecting frame 404 is provided with a plurality of photosensitive resistors 407 which are arranged on the same vertical plane with the ceramic welding tooth 203; the mounting plate 406 is arranged on the connecting frame 404 and a plurality of light source emitters 405 are arranged on the lower end of the mounting plate 406 and located above the photosensitive resistors 407.

[0049] The processor 408 is arranged on the connecting frame 404 and electrically connected with the photosensitive resistors 407 and the first electric telescopic rod 303.

[0050] During welding, the sliding rod 302 drives the connecting frame 404 to move synchronously along the module sliding rail 301, the light source emitter 405 emits light, and the light is irradiated on the photosensitive resistor 407 through the perforation of the welded current collector, so that the processor 408 adjusts the elongation of the first electric telescopic rod 303 according to the feedback current data, so that the welding height of the welding head 202 is appropriate, the appearance of the welding perforation is effectively reduced, and the production quality is effectively improved.

[0051] The working principle of the utility model is as follows:

[0052] The welding head 202 adopts the roll welding mode to weld the current collector, the ultrasonic generator 204 provides sufficient energy to ensure the welding quality, and the ceramic welding tooth 203 effectively relieves the pressure of the welding head 202 on the current collector and reduces the appearance of the perforation.

[0053] When welding is needed, the first electric telescopic rod 303 is adjusted to extend, so that the welding head 202 reaches a specified height, then the module slide rail 301 and the servo motor 305 are started, the slide rod drives the welding head 202 to move horizontally along the module slide rail 301, and the servo motor 305 drives the welding head 202 to rotate through the connecting column 201, so as to weld the current collector, ensure that the equipment can operate normally, complete the welding work, and the moving speed of the slide rod 302 along the module slide rail 302 is the same as the linear speed of the welding head 202 rotating, so that the welding head 202 does not generate friction force to the current collector when rotating and advancing, prevents the current collector from being damaged due to the friction force, and can improve the production efficiency while ensuring the production quality.

[0054] When the first electric telescopic rod 303 extends, an electric signal is sent to control the second electric telescopic rod 306 to extend correspondingly, so that the line between the connecting column 201 and the center of the welding head 202 is always horizontal, the stress of the welding position is uniform, and the existence of the second electric telescopic rod 306 and the fixed ring 307 can prevent the welding head from tilting due to the excessive weight of one end of the welding head 202, and the welding quality can be ensured.

[0055] When welding, the slide rod 302 drives the connecting frame 404 to move synchronously along the module slide rail 301, the light source emitter 405 emits light, and the light irradiates the welded current collector, if there is a perforation, the light will irradiate on the photoresistor 407 through the perforation, at this time, the processor 408 will adjust the extension of the first electric telescopic rod 303 according to the feedback current data, so that the welding height of the welding head 202 is appropriate, the appearance of the welding perforation can be effectively reduced, and the production quality can be effectively improved.

[0056] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. An ultrasonic seaming weld joint, characterized by: The ultrasonic edge welding joint comprises a welding platform (1), a welding assembly (2) is installed on the welding platform (1), the welding assembly (2) comprises a connecting column (201), a welding head (202), an ultrasonic generator (204), ceramic welding teeth (203), an ultrasonic generator (204) and a filling hole (205); The welding platform (1) is provided with the connecting column (201), the connecting column (201) is provided with the welding head (202) at one end, the welding head (202) is cylindrical, a plurality of ceramic welding teeth (203) are arranged on the outer surface of the welding head (202) in an orderly manner, the cross section of the ceramic welding tooth (203) is trapezoidal, and the ultrasonic generator (204) is eccentrically arranged in the welding head (202).

2. An ultrasonic seaming weld joint according to claim 1, wherein: The connecting column (201) is provided with the filling hole (205) away from the welding head (202).

3. An ultrasonically welded joint according to claim 1, wherein: The welding platform (1) is provided with a driving assembly (3), the driving assembly (3) provides driving force for the operation of the welding assembly (2), and the welding platform (1) is provided with a detection assembly (4), and the operation of the welding assembly (2) provides driving force for the detection assembly (4).

4. An ultrasonically welded joint according to claim 3, wherein: The driving assembly (3) comprises a module sliding rail (301), a sliding rod (302), a first electric telescopic rod (303), a motor mounting plate (304), a servo motor (305), a second electric telescopic rod (306) and a fixing ring (307). The welding platform (1) is provided with two module sliding rails (301), the two module sliding rails (301) are connected through the sliding rod (302), the sliding rod (302) and the module sliding rail (301) are in sliding fit, the first electric telescopic rod (303) is installed on the sliding rod (302), the motor mounting plate (304) is installed at one end of the first electric telescopic rod (303), the servo motor (305) is installed on the motor mounting plate (304), and the output shaft of the servo motor (305) is connected with one end of the connecting column (201) provided with the filling hole (205).

5. An ultrasonically welded joint according to claim 4, wherein: The second electric telescopic rod (306) is installed on the sliding rod (302), the fixing ring (307) is installed at one end of the second electric telescopic rod (306), the fixing ring (307) is sleeved on the connecting column (201), and the fixing ring (307) and the connecting column (201) are in rotary fit, and the first electric telescopic rod (303) and the second electric telescopic rod (306) are electrically connected.

6. An ultrasonically welded joint according to claim 4, wherein: The detection assembly (4) comprises a mounting groove (401), a sliding groove (402), a transparent heat insulation plate (403), a connecting frame (404), a light source emitter (405), a mounting plate (406), a photosensitive resistor (407), a processor (408); The welding platform (1) is provided with an installation groove (401) and a sliding groove (402), and the installation groove (401) and the sliding groove (402) are communicated, a transparent heat insulation plate (403) is installed above the installation groove (401), the upper surface of the transparent heat insulation plate (403) is flush with the welding platform (1), a connecting frame (404) is installed on the sliding rod (302), the connecting frame (404) extends into the sliding groove (402) and the installation groove (401), a plurality of photosensitive resistors (407) are uniformly distributed on the part of the connecting frame (404) in the installation groove (401), the installation position of the photosensitive resistor (407) and the position of the ceramic welding tooth (203) are located in the same vertical plane, an installation plate (406) is installed on the connecting frame (404), a plurality of light source emitters (405) are installed at the lower end of the installation plate (406), and the light source emitters (405) are located directly above the photosensitive resistors (407).

7. An ultrasonically welded joint according to claim 6, wherein: A processor (408) is installed on the connecting frame (404), and the processor (408) is electrically connected with the photosensitive resistor (407) and the first electric telescopic rod (303).

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