Pressure control mechanism for ultrasonic welding
By designing pressure control mechanisms for ultrasonic welding, including adjustment base plates, stepper motors and pressure sensor modules, the problem that traditional ultrasonic welding structures cannot maintain stable and reliable welding effects is solved, and the problem of low-weight materials or high-speed welding is realized. Improve stability and efficiency.
Patent Information
- Application Number
- CN202421051373.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-15
AI Technical Summary
Traditional ultrasonic welded structures cannot maintain stable and reliable welding effects, especially when welding low gram weight materials or high speeds.
A pressure control mechanism including adjustment base plate, ultrasonic welding unit, stepper motor and pressure sensor module is designed. The welding pressure is adjusted in real time through a hand-held controller to ensure welding stability, and ultrasonic welding is realized through stepper motor and guide structure. Precise position control of the unit.
It realizes the stable and reliable effect when welding low-gauge materials or high speeds. Through real-time pressure detection and adjustment, the welding quality is ensured and the stability and efficiency of welding are improved.
Smart Images
Figure CN222246165U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ultrasonic welding, in particular to a pressure control mechanism for ultrasonic welding. Background Art
[0002] Ultrasonic welding is a commonly used welding technology. Its principle is to convert high-frequency electrical energy into mechanical vibration energy and transmit it to the workpiece through the welding head to generate high-frequency vibration, thereby generating high temperature and high pressure on the surface of the workpiece, causing the workpiece to melt rapidly and flow plastically, thereby achieving the purpose of welding.
[0003] Traditional ultrasonic welding generally adopts a structure in which the vibration arm is fixed in position or the vibration arm is driven by a cylinder. The inventors have found that during the continuous welding process of ultrasonic welding, the traditional ultrasonic welding structure cannot maintain a stable and reliable welding effect, especially cannot weld lower weight materials or higher speeds. Therefore, we propose a pressure control mechanism for ultrasonic welding. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] In view of the shortcomings of the prior art, the utility model provides a pressure control mechanism for ultrasonic welding, which has the advantages of being able to maintain a stable and reliable welding effect and capable of welding lower weight materials or at a higher speed, thereby solving the problem that traditional ultrasonic welding structures cannot maintain a stable and reliable welding effect.
[0006] (II) Technical solution
[0007] In order to achieve the above-mentioned purpose of maintaining a stable and reliable welding effect while being able to weld materials with lower gram weight or at a higher speed, the utility model provides the following technical solutions: a pressure control mechanism for ultrasonic welding, comprising an adjusting base plate and an ultrasonic welding unit, the adjusting base plate being connected to an external frame by fixing bolts, a mounting block being fixedly installed on the top of the adjusting base plate, an adjusting structure being provided on the mounting block, a guide structure being provided on the adjusting structure, the guide structure being fixedly connected to the mounting block, the guide structure being connected to the ultrasonic welding unit, and the ultrasonic welding unit being electrically connected to a handheld controller to facilitate the control of the pressure during welding, and maintaining a stable and reliable welding effect while being able to weld materials with lower gram weight or at a higher speed.
[0008] As a preferred technical solution of the utility model, a sliding groove is opened inside the mounting block, a movable hole is opened on the inner side wall of the sliding groove, a limiting groove is opened on the top wall of the inner cavity of the sliding groove, and the sliding groove, the movable hole and the inner cavity of the limiting groove are all movably connected with the adjustment structure to facilitate the installation of the adjustment structure.
[0009] As a preferred technical solution of the utility model, the adjustment structure includes a stepper motor, the stepper motor is fixedly connected to the outer surface of one end of the mounting block, and the output shaft on the stepper motor is movably connected to the inner cavity of the movable hole;
[0010] A threaded screw is fixedly installed on the output shaft of the stepper motor, and the outer surface of the threaded screw is threadedly connected with a moving block, and the moving block is slidably connected to the inner cavity wall of the slide groove, and a connecting slide rod is fixedly installed on the top of the moving block, and the outer surface of the connecting slide rod is slidably connected to the inner cavity wall of the limit groove, and the end of the connecting slide rod away from the moving block is fixedly connected to the guide structure. By starting the stepper motor, the output shaft on the stepper motor drives the threaded screw rod to rotate, and the threaded screw rod rotates in the inner cavity of the movable hole, the threaded screw rod drives the moving block to move along the outer surface of the threaded screw rod, and the moving block slides in the inner cavity of the slide groove, and the moving block drives the connecting slide rod to slide in the inner cavity of the limit groove, and plays the role of limiting guide, thereby facilitating the adjustment of the position of the ultrasonic welding unit, and then facilitating the adjustment of the pressure during welding.
[0011] As a preferred technical solution of the utility model, the guide structure includes an inverted U-shaped load-bearing plate, the bottom end of the inverted U-shaped load-bearing plate is fixedly connected to the end of the connecting slide rod away from the moving block, the top end of the inverted U-shaped load-bearing plate is fixedly connected to the ultrasonic welding unit, a slide rail is arranged inside the inverted U-shaped load-bearing plate, the slide rail is fixedly connected to the top end of the mounting block, and the inverted U-shaped load-bearing plate is driven by the movable connecting slide rod to move along the outer surface of the slide rail, and the ultrasonic welding unit is driven to move toward the direction of the bottom roller to be welded, and at the same time plays the role of limiting guide again, so as to facilitate the role of limiting guide.
[0012] As a preferred technical solution of the utility model, a slot is provided inside the inverted U-shaped load plate, and the inner cavity of the slot is slidably connected to the outer surface of the slide rail to facilitate the inverted U-shaped load plate to slide along the outer surface of the slide rail and at the same time play a role of limiting guidance.
[0013] As a preferred technical solution of the utility model, a programmable controller is provided inside the ultrasonic welding unit, and the programmable controller is connected to a handheld controller by electrical signals so that the ultrasonic welding unit can be controlled by the handheld controller.
[0014] As a preferred technical solution of the utility model, an ultrasonic generator is arranged inside the ultrasonic welding unit, and a pressure sensor module is arranged inside the ultrasonic welding unit. The pressure sensor module is used to detect the pressure between the material to be welded and the bottom roller to be welded in real time. The pressure sensor module is connected to the handheld controller by electrical signals, and the welding head on the ultrasonic welding unit contacts the material to be welded. When the welding head contacts the material to be welded, pressure will be generated. At this time, the pressure sensor module transmits the electrical signal to the handheld controller, which is processed by the handheld controller and the pressure value is displayed on the handheld controller. At the same time, the operator can adjust the pressure value between the material to be welded and the bottom roller to be welded by adjusting the position of the ultrasonic welding unit until it is adjusted to a suitable pressure value, thereby facilitating the control of the pressure during welding.
[0015] (III) Beneficial effects
[0016] Compared with the prior art, the utility model provides a pressure control mechanism for ultrasonic welding, which has the following beneficial effects:
[0017] The pressure control mechanism for ultrasonic welding starts a stepper motor, at which time the output shaft on the stepper motor drives the threaded screw to rotate, and the threaded screw rotates in the inner cavity of the movable hole, the threaded screw drives the moving block to move along the outer surface of the threaded screw, and the moving block slides in the inner cavity of the slide groove, the moving block drives the connecting slide bar to slide in the inner cavity of the limit groove, and plays a role of limit guide, and the moving connecting slide bar drives the inverted U-shaped bearing plate to move along the outer surface of the slide rail, and drives the ultrasonic welding unit to move toward the welded bottom roller, and plays the role of limit guide again, until the welding head on the ultrasonic welding unit is in contact with the welded material, and pressure is generated when the welding head contacts the welded material, at this time the pressure sensor module transmits the electrical signal to the handheld controller, which is processed by the handheld controller and the pressure value is displayed on the handheld controller, and the handheld user can adjust the pressure value between the welded material and the welded bottom roller by adjusting the position of the ultrasonic welding unit until it is adjusted to a suitable pressure value, thereby facilitating the control of the pressure during welding, and maintaining a stable and reliable welding effect, thereby enabling welding of lower gram weight materials or higher speeds. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a main stereoscopic view of the utility model;
[0019] Figure 2 This is a stereogram of the utility model without the ultrasonic welding unit;
[0020] Figure 3 This is a flow chart of the connection between the ultrasonic welding unit and the handheld controller of the utility model.
[0021] In the figure: 1. Adjustment base plate; 2. Mounting block; 21. Slide groove; 22. Movable hole; 23. Limiting groove; 3. Adjustment structure; 31. Stepper motor; 32. Threaded screw; 33. Moving block; 34. Connecting slide rod; 4. Guide structure; 41. Inverted U-shaped bearing plate; 42. Slide rail; 5. Ultrasonic welding unit; 51. Programmable controller; 52. Ultrasonic generator; 6. Handheld controller. DETAILED DESCRIPTION
[0022] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.
[0023] Reference Figure 1-3 , provides a pressure control mechanism for ultrasonic welding, including an adjusting base plate 1 and an ultrasonic welding unit 5. The adjusting base plate 1 is connected to an external frame through fixing bolts. A mounting block 2 is fixedly installed on the top of the adjusting base plate 1. An adjusting structure 3 is provided on the mounting block 2. A guide structure 4 is provided on the adjusting structure 3. The guide structure 4 is fixedly connected to the mounting block 2. The guide structure 4 is connected to the ultrasonic welding unit 5. The ultrasonic welding unit 5 is electrically connected to a handheld controller 6. The handheld controller 6 is used to display the pressure value and control the ultrasonic welding unit 5.
[0024] A slide groove 21 is provided inside the mounting block 2, a movable hole 22 is provided on the inner side wall of the slide groove 21, a limiting groove 23 is provided on the inner top wall of the slide groove 21, and the slide groove 21, the movable hole 22 and the inner cavity of the limiting groove 23 are all movably connected to the adjustment structure 3.
[0025] The adjustment structure 3 includes a stepper motor 31, the stepper motor 31 is fixedly connected to the outer surface of one end of the mounting block 2, and the output shaft on the stepper motor 31 is movably connected to the inner cavity of the movable hole 22;
[0026] A threaded screw 32 is fixedly installed on the output shaft of the stepper motor 31, and a moving block 33 is threadedly connected to the outer surface of the threaded screw 32. The moving block 33 is slidably connected to the inner wall of the slide groove 21. A connecting slide rod 34 is fixedly installed on the top of the moving block 33. The outer surface of the connecting slide rod 34 is slidably connected to the inner wall of the limit groove 23, and the end of the connecting slide rod 34 away from the moving block 33 is fixedly connected to the guide structure 4.
[0027] The guide structure 4 includes an inverted U-shaped supporting plate 41, the bottom end of the inverted U-shaped supporting plate 41 is fixedly connected to the end of the connecting slide rod 34 away from the moving block 33, the top end of the inverted U-shaped supporting plate 41 is fixedly connected to the ultrasonic welding unit 5, and a slide rail 42 is arranged inside the inverted U-shaped supporting plate 41, and the slide rail 42 is fixedly connected to the top end of the mounting block 2.
[0028] A slot is formed inside the inverted U-shaped carrier plate 41 , and an inner cavity of the slot is slidably connected to an outer surface of the slide rail 42 .
[0029] A programmable controller 51 is disposed inside the ultrasonic welding unit 5 , and the programmable controller 51 is connected to the handheld controller 6 via electrical signals.
[0030] An ultrasonic generator 52 is provided inside the ultrasonic welding unit 5. A pressure sensor module is provided inside the ultrasonic welding unit 5. The pressure sensor module is used to detect the pressure between the welded material and the welded bottom roller in real time. The pressure sensor module is connected to the handheld controller 6 by electrical signals.
[0031] Working principle: by starting the stepper motor 31 fixed on the mounting block 2, the output shaft on the stepper motor 31 drives the threaded screw 32 fixed on the output shaft to rotate, and the threaded screw 32 rotates in the inner cavity of the movable hole 22, the threaded screw 32 drives the moving block 33 to move along the outer surface of the threaded screw 32, and the moving block 33 slides in the inner cavity of the slide groove 21, the moving block 33 drives the connecting slide rod 34 to slide in the inner cavity of the limit groove 23, and plays the role of limit guide, and the moving connecting slide rod 34 drives the inverted U-shaped bearing plate 41 to move along the outer surface of the slide rail 42, and drives the ultrasonic welding unit 5 to move toward the bottom roller to be welded, and at the same time plays the role of limit guide again. , until the welding head on the ultrasonic welding unit 5 is in contact with the material to be welded, and pressure will be generated when the welding head is in contact with the material to be welded. At this time, the pressure sensor module transmits the electrical signal to the handheld controller 6, which is processed by the handheld controller 6 and the pressure value is displayed on the handheld controller 6. At the same time, the operator can adjust the pressure value between the material to be welded and the bottom roller to be welded by adjusting the position of the ultrasonic welding unit 5 until it is adjusted to a suitable pressure value, thereby facilitating the control of the pressure during welding, and maintaining a stable and reliable welding effect, thereby enabling welding of lower gram weight materials or higher speeds. The device can not only maintain a stable and reliable welding effect, but also enable welding of lower gram weight materials or higher speeds.
[0032] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.
Claims
1. A pressure control mechanism for ultrasonic welding, comprising an adjusting base plate (1) and an ultrasonic welding unit (5), wherein the adjusting base plate (1) is connected to an external frame via fixing bolts, and is characterized in that: A mounting block (2) is fixedly mounted on the top of the adjustment base plate (1); an adjustment structure (3) is arranged on the mounting block (2); a guide structure (4) is arranged on the adjustment structure (3); the guide structure (4) is fixedly connected to the mounting block (2); the guide structure (4) is connected to an ultrasonic welding unit (5); and the ultrasonic welding unit (5) is electrically connected to a handheld controller (6).
2. A pressure control mechanism for ultrasonic welding according to claim 1, characterized in that: A slide groove (21) is provided inside the mounting block (2), a movable hole (22) is provided on the inner side wall of the slide groove (21), a limiting groove (23) is provided on the inner cavity top wall of the slide groove (21), and the inner cavities of the slide groove (21), the movable hole (22) and the limiting groove (23) are all movably connected to the adjustment structure (3).
3. A pressure control mechanism for ultrasonic welding according to claim 2, characterized in that: The adjustment structure (3) comprises a stepping motor (31), the stepping motor (31) is fixedly connected to the outer surface of one end of the mounting block (2), and the output shaft on the stepping motor (31) is movably connected to the inner cavity of the movable hole (22); A threaded screw (32) is fixedly mounted on the output shaft of the stepper motor (31); a moving block (33) is threadedly connected to the outer surface of the threaded screw (32); the moving block (33) is slidably connected to the inner wall of the slide groove (21); a connecting slide rod (34) is fixedly mounted on the top of the moving block (33); the outer surface of the connecting slide rod (34) is slidably connected to the inner wall of the limit groove (23); and one end of the connecting slide rod (34) away from the moving block (33) is fixedly connected to the guide structure (4).
4. A pressure control mechanism for ultrasonic welding according to claim 3, characterized in that: The guide structure (4) comprises an inverted U-shaped bearing plate (41), the bottom end of the inverted U-shaped bearing plate (41) is fixedly connected to an end of the connecting slide rod (34) away from the moving block (33), the top end of the inverted U-shaped bearing plate (41) is fixedly connected to the ultrasonic welding unit (5), and a slide rail (42) is arranged inside the inverted U-shaped bearing plate (41), and the slide rail (42) is fixedly connected to the top end of the mounting block (2).
5. A pressure control mechanism for ultrasonic welding according to claim 4, characterized in that: A slot is provided inside the inverted U-shaped bearing plate (41), and an inner cavity of the slot is slidably connected to an outer surface of the slide rail (42).
6. A pressure control mechanism for ultrasonic welding according to claim 1, characterized in that: A programmable controller (51) is provided inside the ultrasonic welding unit (5), and the programmable controller (51) is connected to a handheld controller (6) via an electrical signal.
7. A pressure control mechanism for ultrasonic welding according to claim 6, characterized in that: An ultrasonic generator (52) is arranged inside the ultrasonic welding unit (5), and a pressure sensor module is arranged inside the ultrasonic welding unit (5). The pressure sensor module is used to detect the pressure between the welded material and the welded bottom roller in real time, and the pressure sensor module is connected to the handheld controller (6) via an electrical signal.