Bonding wire rewinding machine

Abstract

The utility model relates to the technical field of rewinders, and particularly discloses a bonding wire rewinder which comprises a support, a control frame and four rewinding assemblies, the control frame is located at the right end of the upper side of the support, an indicator lamp is fixedly arranged at the left end of the upper side of the support, and the four rewinding assemblies are all located on the support. The four rewinding assemblies are parallel to one another; the rewinding assembly comprises tension devices, a winding displacement rod, a take-up shaft seat, a pay-off shaft seat and a wire passing wheel, the wire passing wheel is located on the right side of the upper portion of the take-up shaft seat, and a tension regulator is arranged on the right side of each tension device; the wire arranging rod is located between the tension regulator and the take-up shaft seat, the pay-off shaft seats are located above the tension device, two wire passing wheels are arranged above each pay-off shaft seat, and one wire passing wheel is arranged on the right side of each pay-off shaft seat. According to the utility model, the pay-off can be stable and controllable, the tension can be controlled by programs or automatically adjusted as required, and the pay-off device is more convenient, accurate and stable, and the winding is smooth.

Description

Technical Field

[0001] The utility model relates to the technical field of rewinding machines, and particularly relates to a bonding wire rewinding machine. Background Art

[0002] Bonding wire rewinding machines are important equipment used in the manufacturing of semiconductors and electronic devices. They are mainly used to connect metal wires to metal pads or leads on semiconductor chips to establish electrical connections. These devices usually come in various types, suitable for different sizes and types of devices, and have high precision and automation features to ensure the reliability and accuracy of the connections.

[0003] Currently, the following areas for improvement still exist in the existing technology: Existing bonding wire rewinding machines usually cannot control the tension of the winding wire, resulting in phenomena such as wire clamping, wire breakage, and wire scattering. The wire arranging operation is not easy to control and is prone to damaging the bonding wire. Summary of the Utility Model

[0004] To solve the above problems existing in the existing technology, the utility model provides a bonding wire rewinding machine, which can make the wire pay-off stable and controllable. The tension control can be programmed or automatically adjusted as needed, which is more convenient, accurate, and stable. The winding is flat, and the wire arranging method is controllable.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] A bonding wire rewinding machine includes a support bracket, a control bracket, and four rewinding components. The control bracket is located at the upper right end of the support bracket. An indicator light is fixedly arranged at the upper left end of the support bracket. The four rewinding components are all located on the support bracket and are parallel to each other;

[0007] Each rewinding component includes a tension device, a wire arranging rod, a take-up shaft seat, a pay-off shaft seat, and a wire guiding wheel. The wire guiding wheel is located above and to the right of the take-up shaft seat. A tension regulator is arranged on the right side of each tension device;

[0008] The wire arranging rod is located between the tension regulator and the take-up shaft seat. The pay-off shaft seat is located above the tension device. Two wire guiding wheels are arranged above each pay-off shaft seat, and one wire guiding wheel is arranged on the right side of each pay-off shaft seat;

[0009] A touch screen is arranged on the control bracket. A start button and a stop button are arranged on the left side of the touch screen. A reset button and an emergency stop button are arranged on the right side of the touch screen. The start button, the stop button, the reset button, and the emergency stop button are all fixedly connected to the control bracket.

[0010] Further, the tension device includes a tension controller, a tension rod, and a tension guide pulley. The tension rod is located at the middle position of the tension guide pulley, and the tension controller is located at the right end of the tension rod.

[0011] Further, two servo motors are provided on each take-up spool seat.

[0012] Further, a coiling and traversing frame is provided on the take-up spool seat.

[0013] Further, a take-up spool is provided on the take-up spool seat, and a quick connector is provided on the take-up spool.

[0014] Further, the touch screen is controlled by a PLC program.

[0015] The beneficial effects of the present utility model are as follows:

[0016] (1) By providing the pay-off spool seat, the technical effect that can be achieved is that the pay-off spool seat is located above the tension device. Two wire guiding wheels are provided above each pay-off spool seat, and one wire guiding wheel is provided on the right side of each pay-off spool seat. The four pay-off spool seats are separately driven by four servo motors. The pay-off speed of the pay-off spool seat is determined by a precision potentiometer on the tension device, which sends a signal according to the change of the tension rod during operation, feeds back to the PLC program controller, and after calculation, issues a certain number of pulses.

[0017] (2) By providing the tension device, the technical effect that can be achieved is that the tension device includes a tension controller, a tension rod, and a tension guide pulley. The tension rod is located at the middle position of the tension guide pulley, and the tension controller is located at the right end of the tension rod. The tension controller can be programmed or automatically adjusted according to the needs of the process section, with the characteristics of convenience, accuracy, and stability. When the tension rod is working in the vertical position, the pendulum principle is adopted to eliminate the influence of the self-weight of the guide pulley on the tension change of the tension rod, making the tension control more precise. The magnitude of the tension can be adjusted through the corresponding knob of each pay-off machine to change the torque of the small resistance motor directly connected to the precision potentiometer, and is displayed on the corresponding digital tube.

[0018] (3) By providing the take-up spool seat, the technical effect that can be achieved is that two servo motors are provided on each take-up spool seat, a coiling and traversing frame is provided on the take-up spool seat, a take-up spool is provided on the take-up spool seat, and the touch screen is controlled by a PLC program. One servo motor on the take-up spool seat drives the forward and backward movement of the take-up spool seat to achieve the purpose of traversing. The other servo motor on the take-up spool seat drives the rotation of the take-up spool, so that the take-up spool forms a compound movement of linear movement and rotation. The take-up speed and traversing speed are controlled by electrical programming and change with the change of the take-up process. A quick connector is provided on the take-up spool, and there will be differences when clamping two different types of spools. Description of the Drawings

[0019] For the convenience of those skilled in the art to understand, the present utility model will be further described below with reference to the accompanying drawings.

[0020] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0021] Main component symbol description:

[0022] In the figure: 1, start button; 2, stop button; 3, touch screen; 4, reset button; 5, emergency stop button; 6, tension device; 7, tension regulator; 8, wire arranging rod; 9, take-up spool seat; 10, pay-off spool seat; 11, indicator light; 12, wire guiding wheel; 13, support bracket; 14, control bracket. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present application will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present application; obviously, the described embodiments are only a 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 of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0024] In the description of the present application, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present application. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present application, it should be noted that unless otherwise clearly defined and limited, the terms "installed", "provided with", "sheathed / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific situations.

[0026] Refer to Figure 1, A bonding wire rewinding machine disclosed by the present utility model includes a support bracket 13, a control bracket 14, and four rewinding assemblies. The control bracket 14 is located at the upper right end of the support bracket 13. An indicator light 11 is fixedly arranged at the upper left end of the support bracket 13. The four rewinding assemblies are all located on the support bracket 13 and are parallel to each other.

[0027] The rewinding assembly includes a tension device 6, a wire arranging rod 8, a wire take-up shaft seat 9, a wire pay-off shaft seat 10, and a wire guiding wheel 12. The wire guiding wheel 12 is located above the right side of the wire take-up shaft seat 9. A tension regulator 7 is arranged on the right side of each tension device 6.

[0028] The wire arranging rod 8 is located between the tension regulator 7 and the wire take-up shaft seat 9. The wire pay-off shaft seat 10 is located above the tension device 6. Two wire guiding wheels 12 are arranged above each wire pay-off shaft seat 10, and a wire guiding wheel 12 is arranged on the right side of each wire pay-off shaft seat 10.

[0029] The four wire pay-off shaft seats 10 are respectively driven independently by four servo motors. The wire pay-off speed of the wire pay-off shaft seat 10 is determined by a precision potentiometer on the tension device 6 that sends signals according to the changes of the tension rod during operation, feeds back to the PLC program controller, and after calculation, issues a certain number of pulses.

[0030] A touch screen 3 is arranged on the control bracket 14. A start button 1 and a stop button 2 are arranged on the left side of the touch screen 3. A reset button 4 and an emergency stop button 5 are arranged on the right side of the touch screen 3. The start button 1, the stop button 2, the reset button 4, and the emergency stop button 5 are all fixedly connected to the control bracket 14. The touch screen 3 is electrically connected to the indicator light 11, and the indicator light 11 is used to display the working state of the device.

[0031] The tension device 6 includes a tension controller, a tension rod, and a tension guiding wheel. The tension rod is located in the middle of the tension guiding wheel, and the tension controller is located at the right end of the tension rod.

[0032] The tension controller can be programmed or automatically adjusted according to the needs of the process section, with the characteristics of convenience, accuracy, and stability. When the tension rod is working, it is in a vertical position, using the pendulum principle to eliminate the influence of the self-weight of the guiding wheel on the tension change of the tension rod, making the tension control more precise. The size of the tension can be adjusted through the corresponding knob of each wire pay-off machine to change the torque of the small resistance motor directly connected to the precision potentiometer, and is displayed on the corresponding digital tube respectively.

[0033] Two servo motors are provided on each take-up spool seat 9. One servo motor on the take-up spool seat 9 drives the forward and backward movement of the take-up spool seat 9 to achieve the purpose of wire laying. The other servo motor on the take-up spool seat 9 drives the rotation of the take-up spool, so that the take-up spool forms a compound movement of linear movement and rotation. The take-up speed and the wire laying speed are controlled by electrical programming and change with the change of the take-up process. A quick connector is provided on the take-up spool, and there will be differences when clamping two different spools.

[0034] A wire take-up and laying frame is provided on the take-up spool seat 9. A take-up spool is provided on the take-up spool seat 9. A quick connector is provided on the take-up spool. The touch screen 3 is controlled by a PLC program.

[0035] The working principle and usage process of the present utility model: Start the four wire pay-off spool seats 10. Each bonding wire moves from the corresponding wire pay-off spool seat 10 to the wire guiding pulley 12, moves to the tension device 6 after passing through three wire guiding pulleys 12, then moves to the wire laying rod 8 from the tension device 6, and then moves to the take-up spool seat 9.

[0036] The above are only the preferred embodiments of the present utility model, and do not impose any form of limitation on the present utility model. Although the present utility model has been disclosed above with the preferred embodiments, it is not intended to limit the present utility model. Any person skilled in the art can make some changes or modifications to equivalent embodiments with equivalent changes within the scope of the technical solution of the present utility model. However, as long as it does not depart from the content of the technical solution of the present utility model, any brief modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model still belong to the scope of the technical solution of the present utility model.

Claims

1. A bonding wire rewinding machine, characterized in that: It includes a support bracket (13), a control bracket (14) and four rewinding components. The control bracket (14) is located at the upper right end of the support bracket (13). An indicator light (11) is fixedly arranged at the upper left end of the support bracket (13). The four rewinding components are all located on the support bracket (13), and the four rewinding components are parallel to each other. The rewinding component includes a tension device (6), a wire arranging rod (8), a wire take-up shaft seat (9), a wire pay-off shaft seat (10) and a wire passing wheel (12). The wire passing wheel (12) is located above the right side of the wire take-up shaft seat (9). A tension regulator (7) is arranged on the right side of each tension device (6). The wire arranging rod (8) is located between the tension regulator (7) and the wire take-up shaft seat (9). The wire pay-off shaft seat (10) is located above the tension device (6). Two wire passing wheels (12) are arranged above each wire pay-off shaft seat (10), and a wire passing wheel (12) is arranged on the right side of each wire pay-off shaft seat (10). A touch screen (3) is arranged on the control bracket (14). A start button (1) and a stop button (2) are arranged on the left side of the touch screen (3). A reset button (4) and an emergency stop button (5) are arranged on the right side of the touch screen (3). The start button (1), the stop button (2), the reset button (4) and the emergency stop button (5) are all fixedly connected to the control bracket (14).

2. The bonding wire rewinding machine according to claim 1, characterized in that: The tension device (6) includes a tension controller, a tension rod and a tension guide wheel. The tension rod is located at the middle position of the tension guide wheel. The tension controller is located at the right end of the tension rod.

3. The bonding wire rewinding machine according to claim 1, wherein: Two servo motors are arranged on each wire take-up shaft seat (9).

4. The bonding wire rewinding machine according to claim 1, characterized in that: A wire take-up and arranging frame is arranged on the wire take-up shaft seat (9).

5. The bonding wire rewinding machine according to claim 1, wherein: A wire take-up disc is arranged on the wire take-up shaft seat (9), and a quick connector is arranged on the wire take-up disc.

6. The bonding wire rewinding machine according to claim 1, characterized in that: The touch screen (3) is controlled by a PLC program.

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