Clamping mechanism for ultrasonic welding machine

Abstract

The utility model relates to the field of ultrasonic welding machines, and discloses a clamping mechanism for an ultrasonic welding machine, which comprises a platform, the top of the platform is fixedly connected with an execution system, the bottom of the execution system is slidably connected with a crimping head, a clamping assembly is arranged in the platform, and a replacement assembly is arranged at the bottom of the execution system. The clamping assembly comprises a motor and a rotating rod, the outer portion of the motor is fixedly connected to the inner wall of the platform, the output end of the motor is fixedly connected with a first gear, the bottom end of the rotating rod is rotatably connected to the inner bottom wall of the platform, and the outer portion of the rotating rod is fixedly connected with a second gear. According to the clamping device, the first gear is driven by the control motor to enable the second gear to enable the rotating rod to rotate, meanwhile, the rotating disc is driven to rotate synchronously, the sliding rods drive the clamping plates to move under limiting of the limiting rods, workpieces are clamped through the two clamping plates, operation is convenient and fast, and the workpieces of different sizes and shapes can be fixed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of ultrasonic welding machine especially relates to a clamping mechanism for ultrasonic welding machine. BACKGROUND

[0002] The ultrasonic welding machine is an advanced equipment using high-frequency ultrasonic vibration to connect materials, mainly applied to the welding of plastics, metals, films and other materials, its working principle is to convert electric energy into mechanical vibration through the ultrasonic transducer, and transmit to the workpiece surface through the welding head, produce local high temperature, so that the workpiece contact surface material melts and fuses, thereby realizing welding, the ultrasonic welding has the characteristics of small heat-affected zone, short welding time, no additional material, etc., which can effectively avoid the problems of excessive heat input and material deformation in traditional welding mode.

[0003] The ultrasonic welding machine is widely used, especially in the field of precision machining, such as the production of electronic components, automobile parts, medical devices, etc., which plays an important role, it not only can efficiently produce in batches, but also can ensure stable welding quality and high precision, the ultrasonic welding machine is divided into manual, semi-automatic and full-automatic types according to application requirements, suitable for production requirements of different scales and automation degrees.

[0004] When using the ultrasonic welding machine to weld the workpiece, the workpiece is fixed on the platform, and the ultrasonic generator and the pressure head above are matched to weld the workpiece, which is rapid and convenient to operate, but in the traditional ultrasonic welding machine, the workpiece is fixed by fixing the mold on the platform through bolts and nuts, and then the workpiece is placed on the mold for welding, the mold needs to be replaced every time when producing new models of workpieces, which is high in cost, there is no method of fixing the workpiece with high matching degree, therefore, a clamping mechanism for ultrasonic welding machine is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a clamping mechanism for ultrasonic welding machine, aiming at improving the problem that in the traditional ultrasonic welding machine, the workpiece is fixed by fixing the mold on the platform through bolts and nuts, and then the workpiece is placed on the mold for welding, the mold needs to be replaced every time when producing new models of workpieces, which is high in cost, there is no method of fixing the workpiece with high matching degree.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a clamping mechanism for ultrasonic welding machine, including platform, the top of the platform is fixedly connected with execution system, the bottom of the execution system is slidably connected with pressure joint, the inside of the platform is installed with clamping assembly, the bottom of the execution system is installed with replacement assembly;

[0007] The clamping assembly comprises a motor and a rotating rod, the motor is fixedly connected to the inner wall of the platform, a gear one is fixedly connected to the output end of the motor, the rotating rod is rotatably connected to the bottom inner wall of the platform, a gear two is fixedly connected to the outer portion of the rotating rod, the gear two and the gear one are engaged, a rotating disc is fixedly connected to the top of the rotating rod, four slide rods are slidably connected to the inner portion of the rotating disc, a limiting rod is slidably connected to the inner portion of the slide rod, and a clamping plate is fixedly connected to the top of the slide rod.

[0008] As a further description of the above technical solution:

[0009] The replacement assembly comprises a shell, the shell is fixedly connected to the bottom of the execution system, a spring is fixedly connected to the inner wall of the shell, a sliding plate is fixedly connected to the left end of the spring, a push rod is fixedly connected to the front side of the sliding plate, an insertion rod is fixedly connected to the left side of the sliding plate, and a blocking rod is slidably connected to the inner portion of the shell.

[0010] As a further description of the above technical solution:

[0011] The limiting rod is fixedly connected to the inner portion of the platform, and the clamping plate is slidably connected to the top of the platform.

[0012] As a further description of the above technical solution:

[0013] The rotating disc is rotatably connected to the inner top wall of the platform.

[0014] As a further description of the above technical solution:

[0015] The push rod is slidably connected to the inner portion of the shell, and the sliding plate is slidably connected to the inner wall of the shell.

[0016] As a further description of the above technical solution:

[0017] The insertion rod is slidably connected to the inner portion of the shell, and the insertion rod is inserted into the inner portion of the crimping head.

[0018] As a further description of the above technical solution:

[0019] The blocking rod is abutted with the left end of the insertion rod, and the insertion rod is slidably connected to the inner portion of the execution system.

[0020] As a further description of the above technical solution:

[0021] The slide rod is slidably connected to the inner portion of the platform.

[0022] The utility model has the advantages of the following:

[0023] 1. The utility model discloses a drive gear wheel one, make gear wheel two let the rotating rod start rotation, synchronous rotation is driven to the rotating disc simultaneously under the location of the location rod, and the slide rod drives the clamping plate to start moving, has realized the workpiece is clamped by two clamping plates, convenient operation can fix the workpiece of different size and shape.

[0024] 2. The utility model discloses a drive slide plate compression spring simultaneously, and the plug rod is collected into the shell, and the compression joint is separated, and the stop rod is automatically fallen and is blocked the export of plug rod, realized the compression joint of quick replacement, make its style correspond with the model of workpiece, avoid the influence workpiece's welding effect. DRAWINGS

[0025] Figure 1 It is a kind of stereogram for the clamping mechanism of ultrasonic welding machine proposed in the utility model;

[0026] Figure 2 It is the structure diagram of the rotating disc of the clamping mechanism of ultrasonic welding machine proposed in the utility model;

[0027] Figure 3 It is the structure diagram of the location rod of the clamping mechanism of ultrasonic welding machine proposed in the utility model;

[0028] Figure 4 It is Figure 1 The enlarged view of A in the utility model;

[0029] Figure 5 It is the structure diagram of the plug rod of the clamping mechanism of ultrasonic welding machine proposed in the utility model.

[0030] Legend:

[0031] 1, platform;2, execution system;3, compression joint;4, motor;5, gear wheel one;6, rotating rod;7, gear wheel two;8, rotating disc;9, slide rod;10, location rod;11, clamping plate;12, shell;13, spring;14, slide plate;15, plug rod;16, drive lever;17, stop rod. DETAILED DESCRIPTION

[0032] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0033] Refer to Figure 1 - Figure 3The utility model provides an embodiment: a kind of clamping mechanism for ultrasonic welding machine, including platform 1, platform 1 top is fixedly connected with execution system 2, execution system 2 bottom is slidably connected with compression joint 3, platform 1 is used to place workpiece and support execution system 2, make execution system 2 keep stable, execution system 2 is used to generate ultrasonic wave and drive compression joint 3 to move up and down, compression joint 3 is used to extrude workpiece, realize welding, platform 1 inside is installed with clamping assembly, and execution system 2 bottom is installed with replacement component;

[0034] Clamping assembly includes motor 4 and rotating lever 6, motor 4 outside is fixedly connected in the inner wall of platform 1, motor 4 output end is fixedly connected with gear one 5, rotating lever 6 bottom end is rotatably connected in the inner bottom wall of platform 1, rotating lever 6 outside is fixedly connected with gear two 7, gear two 7 and gear one 5 are engaged, rotating lever 6 top is fixedly connected with turntable 8, four slide rods 9 are slidably connected in turntable 8, slide rod 9 is slidably connected with limit rod 10 in the inside, slide rod 9 top is fixedly connected with clamping plate 11, motor 4 is used to drive gear one 5 rotation, gear one 5 is used to drive gear two 7 rotation, gear two 7 is used to make rotating lever 6 synchronous rotation, wherein gear one 5 and gear two 7 are bevel gears, rotating lever 6 is used to drive turntable 8 rotation, turntable 8 is used to drive four slide rods 9 synchronous movement simultaneously, slide rod 9 is used to drive clamping plate 11 movement, limit rod 10 is used to limit the moving direction of slide rod 9, clamping plate 11 is used to clamp workpiece, so that workpiece keeps stable, limit rod 10 outside is fixedly connected in the inside of platform 1, so that limit rod 10 keeps stable, clamping plate 11 bottom is slidably connected in the top of platform 1, so that clamping plate 11 keeps stable, turntable 8 top is rotatably connected in the inner top wall of platform 1, so that turntable 8 keeps stable, slide rod 9 outside is slidably connected in the inside of platform 1, limit the moving direction of slide rod 9.

[0035] Refer to Figure 1 、 Figure 4 、 Figure 5The replacement assembly comprises a shell 12 fixedly connected to the bottom of the execution system 2 outside, a spring 13 fixedly connected to the inner wall of the shell 12, a sliding plate 14 fixedly connected to the left end of the spring 13, a push rod 16 fixedly connected to the front side of the sliding plate 14, a plug rod 15 fixedly connected to the left side of the sliding plate 14, a stop rod 17 slidingly connected to the inside of the shell 12, the shell 12 is used for connecting and protecting the internal parts, the spring 13 is used for pushing the sliding plate 14 to reset, the sliding plate 14 is used for driving the plug rod 15 to move synchronously, the push rod 16 is used for conveniently pushing the sliding plate 14, the plug rod 15 is used for being plugged into the crimping head 3 to fix the crimping head 3, the stop rod 17 is used for stopping the plug rod 15 to avoid resetting, the push rod 16 is slidingly connected to the inside of the shell 12 outside, the sliding plate 14 is slidingly connected to the inner wall of the shell 12 outside, the plug rod 15 is slidingly connected to the inside of the shell 12 outside, the shell 12 simultaneously limits the moving direction of the sliding plate 14, the push rod 16 and the plug rod 15, the plug rod 15 is plugged into the crimping head 3 outside to fix the crimping head 3, the stop rod 17 is abutted between the outside and the left end of the plug rod 15 to avoid automatic resetting of the plug rod 15, the plug rod 15 is slidingly connected to the inside of the execution system 2 outside to limit the moving direction of the plug rod 15.

[0036] Working principle: when the device is used, a suitable crimping head 3 is replaced according to the size of the workpiece, the push rod 16 is pushed to drive the sliding plate 14 to compress the spring 13 to make the plug rod 15 retract into the shell 12 and be separated from the crimping head 3, at the same time, the stop rod 17 will automatically fall down to stop at the outlet of the plug rod 15, at this time, the crimping head 3 is unlocked, the crimping head 3 is taken off from the execution system 2 and a suitable crimping head 3 is placed thereon, then the stop rod 17 is pulled up to be separated from the plug rod 15, at this time, the spring 13 will instantaneously push the sliding plate 14 to reset to drive the plug rod 15 to pop out and be plugged into the crimping head 3 to fix the crimping head 3, thereby realizing replacement, at this time, the workpiece is placed in the center of the platform 1, the motor 4 is controlled to drive the gear one 5 to drive the gear two 7 to synchronously rotate the rotating rod 6, at the same time, the sliding rod 9 drives the clamping plate 11 to move to the middle under the limiting of the limiting rod 10, so that the two clamping plates 11 clamp the workpiece, then the execution system 2 drives the crimping head 3 to descend to make the crimping head 3 press the workpiece and make the execution system 2 generate ultrasonic waves, instantaneously the workpiece will be welded, then the motor 4 is reversely rotated to make the clamping plate 11 release the workpiece, which is convenient and labor-saving and can be compatible with workpieces of various shapes and sizes.

[0037] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and not for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A clamping mechanism for an ultrasonic welding machine, comprising a platform (1), characterized in that: The platform (1) is fixedly connected to the top of the execution system (2), and the execution system (2) is slidably connected to the bottom of the pressure connector (3). The platform (1) is equipped with a clamping component, and the execution system (2) is equipped with a replacement component at the bottom. The clamping assembly includes a motor (4) and a rotating rod (6). The motor (4) is externally fixedly connected to the inner wall of the platform (1). A gear (5) is fixedly connected to the output end of the motor (4). The bottom end of the rotating rod (6) is rotatably connected to the inner bottom wall of the platform (1). A gear (7) is fixedly connected to the outside of the rotating rod (6). The gear (7) meshes with the gear (5). A turntable (8) is fixedly connected to the top of the rotating rod (6). Four sliding rods (9) are slidably connected inside the turntable (8). A limit rod (10) is slidably connected inside the sliding rods (9). A clamping plate (11) is fixedly connected to the top of the sliding rods (9).

2. The clamping mechanism for an ultrasonic welding machine according to claim 1, characterized in that: The replacement component includes a housing (12), which is fixedly connected to the bottom of the execution system (2) on the outside. A spring (13) is fixedly connected to the inner wall of the housing (12). A slide plate (14) is fixedly connected to the left end of the spring (13). A lever (16) is fixedly connected to the front side of the slide plate (14). A plug (15) is fixedly connected to the left side of the slide plate (14). A stop bar (17) is slidably connected inside the housing (12).

3. The clamping mechanism for an ultrasonic welding machine according to claim 1, characterized in that: The limiting rod (10) is externally fixedly connected to the inside of the platform (1), and the bottom of the clamping plate (11) is slidably connected to the top of the platform (1).

4. The clamping mechanism for an ultrasonic welding machine according to claim 1, characterized in that: The top of the turntable (8) is rotatably connected to the inner top wall of the platform (1).

5. A clamping mechanism for an ultrasonic welding machine according to claim 2, characterized in that: The lever (16) is externally slidably connected to the inside of the housing (12), and the slide plate (14) is externally slidably connected to the inner wall of the housing (12).

6. A clamping mechanism for an ultrasonic welding machine according to claim 2, characterized in that: The insertion rod (15) is externally slidably connected inside the outer shell (12), and the insertion rod (15) is externally inserted into the crimp connector (3).

7. A clamping mechanism for an ultrasonic welding machine according to claim 2, characterized in that: The stop bar (17) abuts against the left end of the insert rod (15), and the insert rod (15) is slidably connected to the inside of the execution system (2).

8. A clamping mechanism for an ultrasonic welding machine according to claim 1, characterized in that: The slide bar (9) is externally slidably connected to the inside of the platform (1).

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