Electric leveling ultrasonic welding machine

Abstract

The utility model discloses an electric leveling ultrasonic welding machine, and belongs to the technical field of ultrasonic welding machines. Comprising a jig; the ultrasonic welding head and the jig are arranged up and down, the ultrasonic welding head is composed of an ultrasonic transducer, an amplitude-change pole, a tool head and a flange plate, the ultrasonic welding head penetrates through the flange plate, and the amplitude-change pole is erected on the flange plate; and the multiple leveling motors are arranged on multiple point positions at the bottom or the top of the flange plate correspondingly, the leveling motors are fixedly installed, output shafts of the leveling motors are in threaded connection with the flange plate, the output shafts of the leveling motors rotate to drive the position of the point position of the flange plate to ascend and descend, and the overall posture of the ultrasonic welding head is driven to be adjusted. The contact surface of the ultrasonic welding head and the product is always kept parallel to the product placement surface of the jig, so that the ultrasonic generator can be in complete contact with the product, the water gap cutting or welding effect is further ensured, poor phenomena such as insufficient welding and over-welding are reduced, and the yield is ensured.

Description

Technical Field

[0001] This utility model belongs to the field of ultrasonic welding machine technology, and specifically relates to an electrically leveling ultrasonic welding machine. Background Technology

[0002] Ultrasonic welding machines and sprue removal machines are two commonly used pieces of equipment in modern industrial production. They share the common feature of using ultrasonic waves to process one or more injection-molded parts on the same horizontal plane (oscillatory cutting / heat welding). If the injection-molded parts are not on the same horizontal plane, it may lead to uneven sprue cutting, incomplete sprue removal, over-welding, or incomplete welding. Therefore, the injection molding fixture platform and the ultrasonic transmitting device need to be on the same horizontal plane.

[0003] However, over time, ground subsidence may occur, or certain components of the equipment (such as bolts and nuts) may loosen. Improper operation, external vibrations, transportation, or handling during long-term use can also alter the leveling status between the ultrasonic transmitter and the injection molding fixture platform. Therefore, in addition to the initial leveling during installation, regular leveling maintenance is necessary during subsequent use to ensure processing accuracy.

[0004] Existing leveling methods mostly rely on a horizontal plane as a reference, manually adjusting the injection molding fixture platform and ultrasonic transmitter to a horizontal state. This leveling method is time-consuming, labor-intensive, and highly dependent on the operator's experience. Therefore, there is an urgent need for an automatic leveling method to solve the difficulties of existing leveling methods. Utility Model Content

[0005] This utility model addresses the aforementioned problems in the existing technology by proposing an electrically leveling ultrasonic welding machine.

[0006] This utility model can be achieved through the following technical solutions:

[0007] An electrically leveling ultrasonic welding machine includes:

[0008] jig;

[0009] An ultrasonic welding head is arranged above and below the fixture. The ultrasonic welding head consists of an ultrasonic transducer, an amplitude transformer, and a tool head.

[0010] A flange, through which the ultrasonic welding head passes, and on which the amplitude transformer is mounted;

[0011] The leveling motor is provided in multiple locations at various points on the bottom or top of the flange. The leveling motor is fixedly installed and its output shaft is threadedly connected to the flange. The rotation of the output shaft of the leveling motor drives the flange to rise or fall at the specified point, so that the contact surface between the ultrasonic welding head and the product always remains parallel to the product placement surface of the fixture.

[0012] As a further improvement of this utility model, the number of leveling motors is at least three and they are spaced apart.

[0013] As a further improvement of this utility model, the fixture is equipped with a first six-axis gyroscope, which is used to collect the first tilt angle of the product placement plane of the fixture relative to the horizontal plane in real time and feed it back to the control system.

[0014] As a further improvement of this utility model, the tool head is provided with a second six-axis gyroscope, which is used to collect the second tilt angle of the tool head relative to the horizontal plane in real time and feed it back to the control system.

[0015] As a further improvement of this utility model, it also includes a motor driver, which is electrically connected to the control system, and each of the leveling motors is connected to an independent motor driver.

[0016] As a further improvement of this utility model, the control system feeds back the first tilt angle signal and the second tilt angle signal from the first six-axis gyroscope and the second six-axis gyroscope to one or more of the motor drivers to drive the leveling motor connected thereto to rotate.

[0017] As a further improvement of this utility model, the flange has a placement plane, the amplitude transformer has an outwardly protruding positioning ring, the positioning ring is mounted on the placement plane and pressed by a pressure block, and when the leveling motor drives the flange to adjust its position, it drives the ultrasonic welding head to adjust its position synchronously.

[0018] As a further improvement of this utility model, the fixture includes a base, a product placement plate, and support feet, with each corner of the product placement plate connected to the base via the support feet.

[0019] As a further improvement of this utility model, a spring is provided at the top or bottom of the support foot.

[0020] As a further improvement of this utility model, the product placement plate and the support leg are connected by fasteners.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. By setting multiple leveling motors, the horizontality of the flange is adjusted, and the overall posture of the ultrasonic welding head is adjusted, thereby adjusting the horizontality of the contact surface between the ultrasonic welding head and the product. This ensures that the ultrasonic welding head is always parallel to the product placement surface of the fixture, ensuring that the ultrasonic welding head can make full contact with the product, thus guaranteeing the effect of sprue cutting or welding, reducing defects such as incomplete welding and over-welding, and ensuring a high yield rate.

[0023] 2. The tilt angle of the ultrasonic welding head and the fixture is detected in real time by the first and second six-axis gyroscopes. The control system controls one or more leveling motors to operate according to the collected data, so as to achieve automatic leveling and keep the ultrasonic welding head and the fixture in a parallel state. Compared with the existing manual adjustment method, the adjustment accuracy and efficiency are greatly improved.

[0024] 3. The top or bottom of the support foot is equipped with a spring. The spring can absorb external vibration or impact, and play a role in vibration reduction and buffering. On the other hand, it can play a role in dynamic compensation. Even if the product placement plate is subjected to uneven pressure, it will automatically make slight adjustments to achieve automatic leveling. This helps to compensate for the tilting problem caused by the irregular shape of the workpiece itself or uneven placement. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of the electrically leveling ultrasonic welding machine of this utility model;

[0026] Figure 2 This is a cross-sectional view of the electrically leveling ultrasonic welding machine of this utility model.

[0027] In the diagram, 100 is the ultrasonic welding head; 101 is the ultrasonic transducer; 102 is the amplitude transformer; 103 is the tool head; 110 is the flange; 120 is the motor gearbox; 121 is the leveling motor; 130 is the positioning ring; and 140 is the pressure block.

[0028] 200. Fixture; 210. Base; 220. Product placement plate; 230. Support foot; 240. Spring. Detailed Implementation

[0029] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. The technical methods of the present invention will be further described, but the present invention is not limited to these embodiments.

[0030] like Figure 1-2 As shown, this utility model provides an electrically leveling ultrasonic welding machine, comprising:

[0031] The ultrasonic welding head 100 consists of an ultrasonic transducer 101, an amplitude transformer 102, and a tool head 103. The ultrasonic welding head 100 uses high-frequency vibration to generate heat energy through friction and deformation on the surfaces of two objects to fuse them together, or uses mechanical vibration to achieve automatic breakage between the injection molded part body and the sprue.

[0032] The fixture 200 and the ultrasonic welding head 100 are set up vertically and vertically in correspondence with the fixture 200.

[0033] Flange 110, ultrasonic welding head 100 passes through flange 110 and is mounted on positioning ring 130;

[0034] The leveling motor 121 is provided in multiple locations at the bottom or top of the flange 110. The leveling motor 121 is fixedly installed and its output shaft is threadedly connected to the flange 110.

[0035] Therefore, when the leveling motor 121 starts running, it can drive the flange 110 to rise or fall at that point through the output shaft. By setting multiple leveling motors 121, the level of the flange 110 can be adjusted, thereby adjusting the level of the contact surface between the welding head 101 of the ultrasonic welding head 100 and the product. This ensures that the ultrasonic welding head 100 is always parallel to the product placement surface of the fixture 200, ensuring that the ultrasonic welding head 100 can make full contact with the product. This, in turn, ensures the effect of sprue cutting or welding, reduces defects such as incomplete welding and over-welding, and ensures a high yield rate.

[0036] Preferably, at least three leveling motors 121 are provided and spaced apart to increase leveling accuracy. For example, in this embodiment, four leveling motors 121 are used, and the four leveling motors 121 are arranged at equal intervals at the bottom of the flange 110 to ensure that the height of the four symmetrical points of the flange 110 can be adjusted, thereby realizing the leveling adjustment of the positioning ring 130 and the ultrasonic welding head 100.

[0037] Preferably, the fixture 200 is equipped with a first six-axis gyroscope (not shown in the figure). The first six-axis gyroscope is used to collect the first tilt angle of the product placement plane of the fixture 200 relative to the horizontal plane in real time and feed it back to the control system.

[0038] Preferably, the ultrasonic welding head 101 of the ultrasonic transducer 100 is equipped with a second six-axis gyroscope (not shown in the figure). The second six-axis gyroscope is used to collect the second tilt angle of the product contact surface of the ultrasonic transducer 100 relative to the horizontal plane in real time and feed it back to the control system.

[0039] Preferably, the reduction gear set 120 reduces the high speed output of the leveling motor 121, thereby achieving precise adjustment of the positioning ring 130 and high-precision adjustment of the ultrasonic transducer 100.

[0040] Preferably, it also includes a motor driver (not shown in the figure), which is electrically connected to the control system. Each leveling motor 121 is connected to an independent motor driver. The control system can drive one or more leveling motors 121 to rotate through the motor driver to achieve the purpose of adjusting the level of the positioning ring 130.

[0041] The specific control process is as follows:

[0042] 1. Data Collection:

[0043] The first six-axis gyroscope is installed on the fixture 200 to monitor in real time the tilt angle of the product placement surface of the fixture 200 relative to the horizontal plane.

[0044] The second six-axis gyroscope is installed inside the ultrasonic transducer 100 to monitor the tilt angle of the product contact surface of the ultrasonic transducer 100 relative to the horizontal plane.

[0045] 2. Data Processing:

[0046] The control system receives tilt angle signals from two gyroscopes and compares and analyzes them.

[0047] If a difference in tilt angle is detected between the two, the control system will calculate the angle difference that needs to be adjusted and determine the direction and magnitude of the adjustment.

[0048] 3. Command transmission:

[0049] The control system sends commands to the corresponding motor drivers based on the calculation results;

[0050] Each leveling motor 121 is connected to an independent motor driver, allowing for individual control of each motor's operation.

[0051] 4. Motor drive:

[0052] After receiving the command from the control system, the motor driver drives the corresponding leveling motor 121 to rotate.

[0053] The rotation of the leveling motor 121 causes a change in the height of the corresponding position on the positioning ring 130, thereby adjusting the levelness of the entire positioning ring 130.

[0054] 5. Closed-loop control:

[0055] During the adjustment process, the control system will continuously receive new tilt angle signals to verify whether the adjustment has achieved the expected goal.

[0056] If the target is not met, the control system will continue to adjust until the conditions are met.

[0057] In other words, by setting up the first and second six-axis gyroscopes, the tilt angle of the ultrasonic transducer 100 and the fixture 200 can be detected in real time. Based on the collected data, the control system controls one or more leveling motors 121 to operate accordingly, ultimately achieving automatic leveling. This ensures that the ultrasonic transducer 100 and the fixture 200 always remain in a parallel state, significantly improving the adjustment accuracy and efficiency compared to the existing manual adjustment method.

[0058] Preferably, the flange 110 has a placement plane, and the ultrasonic transducer 100 has an outwardly protruding positioning ring 130. The positioning ring 130 is mounted on the placement plane and pressed by the pressure block 140. When the leveling motor 121 drives the flange 110 to adjust its position, it drives the ultrasonic transducer 100 to adjust its position synchronously.

[0059] Preferably, the fixture 200 includes a base 210, a product placement plate 220, and support feet 230. Each corner of the product placement plate 220 is connected to the base 210 through the support feet 230, and a first six-axis gyroscope is disposed inside the product placement plate 220.

[0060] Preferably, the top or bottom of the support foot 230 is provided with a spring 240. The spring 240 can absorb vibrations or impacts from the outside and play a role in vibration reduction and buffering. On the other hand, it can play a role in dynamic compensation. Even if the product placement plate 220 is subjected to uneven pressure, it will automatically make slight adjustments to achieve automatic leveling. This helps to compensate for tilting problems caused by the irregular shape of the workpiece itself or uneven placement.

[0061] Preferably, the product placement plate 220 and the support foot 230 are connected by fasteners. Due to the presence of the spring 240, the level of the product placement plate 220 can be preliminarily adjusted by rotating the fasteners.

[0062] The technical means disclosed in this utility model are not limited to those described above, but also include technical solutions composed of any combination of the above technical features. The above are specific embodiments of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications are also considered within the scope of protection of this utility model.

[0063] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0064] Furthermore, in this utility model, descriptions involving "", "a", "one", etc., are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "" or "a" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0065] In this utility model, unless otherwise explicitly specified and limited, the terms "connection," "fixing," etc., should be interpreted broadly. For example, "fixing" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0066] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

Claims

1. An electrically leveling ultrasonic welding machine, characterized in that, include: jig; An ultrasonic welding head is positioned above and below the fixture. The ultrasonic welding head consists of an ultrasonic transducer, an amplitude transformer, and a tool head. A flange, through which the ultrasonic welding head passes, and on which the amplitude transformer is mounted; The leveling motor is provided in multiple locations at various points on the bottom or top of the flange. The leveling motor is fixedly installed and its output shaft is threadedly connected to the flange. The rotation of the output shaft of the leveling motor drives the flange to rise or fall at the specified point, so that the contact surface between the ultrasonic welding head and the product always remains parallel to the product placement surface of the fixture.

2. The electrically leveling ultrasonic welding machine according to claim 1, characterized in that, The number of leveling motors is at least three, and they are spaced apart.

3. The electrically leveling ultrasonic welding machine according to claim 1, characterized in that, The fixture is equipped with a first six-axis gyroscope, which is used to collect the first tilt angle of the product placement plane of the fixture relative to the horizontal plane in real time and feed it back to the control system.

4. The electrically leveling ultrasonic welding machine according to claim 3, characterized in that, The tool head is equipped with a second six-axis gyroscope, which is used to collect the second tilt angle of the tool head relative to the horizontal plane in real time and feed it back to the control system.

5. The electrically leveling ultrasonic welding machine according to claim 4, characterized in that, It also includes a motor driver that is electrically connected to the control system, and each of the leveling motors is connected to an independent motor driver.

6. The electrically leveling ultrasonic welding machine according to claim 5, characterized in that, The control system feeds back the first tilt angle signal and the second tilt angle signal from the first six-axis gyroscope and the second six-axis gyroscope to one or more of the motor drivers to drive the leveling motor connected to it to rotate.

7. The electrically leveling ultrasonic welding machine according to claim 1, characterized in that, The flange has a placement plane, and the amplitude transformer has an outwardly protruding positioning ring. The positioning ring is mounted on the placement plane and pressed by a pressure block. When the leveling motor drives the flange to adjust its position, it drives the ultrasonic welding head to adjust its position synchronously.

8. The electrically leveling ultrasonic welding machine according to claim 1, characterized in that, The fixture includes a base, a product placement plate, and support legs. Each corner of the product placement plate is connected to the base via the support legs.

9. An electrically leveling ultrasonic welding machine according to claim 8, characterized in that, The top or bottom of the support leg is provided with a spring.

10. An electrically leveling ultrasonic welding machine according to claim 8, characterized in that, The product placement plate and the support legs are connected by fasteners.

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