Ultrasonic welding vibration arm for roller device
By designing an ultrasonic welding oscillator for roller devices, and using a fixed seat, welding head and amplitude rod structure, the problem of unstable welding pressure is solved, and the stability of welding pressure and the effect of easy assembly and disassembly is achieved.
Patent Information
- Application Number
- CN202421207557.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-30
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-05-30
AI Technical Summary
The clamping position of the existing ultrasonic welding oscillator is the node of the amplitude rod, which is far away from the welding surface, and is fixed with a circular flange, which leads to unstable welding pressure, especially when rotating at high speed.
An ultrasonic welding oscillator for roller devices is designed, and a fixed seat, a welding head and amplitude rod are structured. A boss is arranged around the welding head for clamping. The clamping position is close to the welding area, and combined with thread clamping installation, ensuring stable welding pressure.
By optimizing the clamping position and installation method, the welding pressure is stable, able to withstand a pressure of 4000N, and can remain stable even when rotating at high speed, and easy to install and disassemble.
Smart Images
Figure CN222754611U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ultrasonic welding, in particular to an ultrasonic welding vibration arm for a roller device. Background Art
[0002] Ultrasonic welding uses high-frequency vibration waves to transmit to the surfaces of two objects to be welded. Under pressure, the two surfaces of the objects rub against each other to form a fusion between the molecular layers.
[0003] With regard to the existing related technologies, the inventors believe that the following defects often exist: the clamping position of the ultrasonic vibrator arm is the node of the amplitude transformer, which is far away from the welding surface and is usually fixed with a circular flange. When the roller device rotates at high speed, the welding pressure of the traditional ultrasonic vibrator arm is unstable. Utility Model Content
[0004] In view of the fact that the clamping position of the above-mentioned existing ultrasonic vibrator is the node of the amplitude rod, this position is far away from the welding surface and is usually fixed with a circular flange. During the high-speed rotation of the roller device, the welding pressure of the traditional ultrasonic vibrator is unstable, the present utility model is proposed.
[0005] Therefore, the utility model aims to provide an ultrasonic welding vibrating arm for a roller device, the purpose of which is to ensure the stability of the welding pressure of the ultrasonic vibrating arm.
[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: an ultrasonic welding vibrating arm for a roller device, comprising a fixing seat, a welding head and a horn, a fixing cavity is opened on the top of the fixing seat, and the welding head is detachably installed inside the fixing cavity, the horn is fixedly installed in the middle of the top of the welding head, and a transducer assembly is fixedly installed on the top of the horn;
[0007] Bosses are welded on both sides of the front and back of the welding head, and limiting grooves communicating with the fixing cavity are opened at four corners of the bottom of the fixing seat, and the bosses are clamped and fixed inside the limiting grooves.
[0008] As a preferred solution of an ultrasonic welding vibrating arm for a roller device described in the utility model, the four corners of the bottom of the fixed base are detachably installed with a threaded hole plate, the threaded hole plate is threadedly installed with a fixing bolt through the threaded hole opened thereon, and the four corners of the bottom of the fixed base are provided with a threaded hole groove threadedly connected to the fixing bolt.
[0009] As a preferred solution of the ultrasonic welding vibration arm for the roller device described in the utility model, a rubber block is bonded and installed inside the limiting groove.
[0010] As a preferred solution of the ultrasonic welding vibration arm for the roller device described in the utility model, holes are provided on both sides of the bottom of the fixing seat and at the front and rear sides of the fixing cavity.
[0011] As a preferred solution of the ultrasonic welding vibrating arm for a roller device described in the utility model, wherein: the welding head is wide at the top and narrow at the bottom, and the connecting part of the wide at the top and narrow at the bottom is provided with an arc edge.
[0012] As a preferred solution of the ultrasonic welding vibrating arm for a roller device described in the utility model, a connecting hole is provided on the top of the welding head, and through cavities are provided on both sides of the front side of the welding head.
[0013] As a preferred solution of an ultrasonic welding vibrating arm for a roller device described in the utility model, the boss includes a side connecting seat welded on the welding head, the head end of the side connecting seat is integrally formed with a vertical plate, and the top end of the vertical plate is provided with a hanging platform placed inside the limiting groove.
[0014] As a preferred solution of an ultrasonic welding vibrating arm for a roller device described in the utility model, wherein: the transducer assembly includes a convex ring, a transducer is fixedly installed in the inner hole of the convex ring, an aluminum alloy cover for shielding the transducer is fixedly installed on the top of the convex ring, a water-cooling coil is sleeved on the outer wall of the aluminum alloy cover, a cover is fixedly installed on the outer edge of the top of the convex ring, and the top of the cover and the aluminum alloy cover are both provided with inlet and outlet holes for the transducer head to pass through, and water connecting heads are inserted at the upper and lower positions of one side of the cover.
[0015] As a preferred solution of the ultrasonic welding vibrating arm for a roller device described in the utility model, a hard coating is fixedly provided on the bottom of the amplitude transformer.
[0016] Beneficial effects of the utility model:
[0017] 1. In the utility model, the welding head adopts a clamping installation method. Four bosses are made around the welding head for clamping. The bosses are located at the nodes, which conforms to the physical characteristics of ultrasound. The clamping position is close to the welding area and can withstand a pressure of 4000N. It can remain stable even at high-speed rotation. In addition, the threaded clamping installation is also convenient for assembly and disassembly.
[0018] 2. In the utility model, when the hanging platform is fixed, the four hanging platforms respectively enter the inside of the four limiting grooves, which limit the position of the welding head fixed on the fixing seat to avoid installation misalignment between the welding head and the fixing seat. The rubber block is also pressed down by the pressure applied to the hanging platform, so that the hanging platforms are closely fitted to each other, avoiding the existence of gaps and improving the firmness of the installation of the welding head.
[0019] 3. The utility model installs an aluminum alloy cover on the transducer, which absorbs and dissipates the heat emitted by the convex ring, and further dissipates the heat through water passing through the water-cooling coil thereon. The dual measures ensure heat dissipation and extend the service life. The transducer is shielded to prevent its high-voltage battery stack from being exposed to the outside, thereby improving safety. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:
[0021] Figure 1 The utility model is a schematic diagram of the overall structure of an ultrasonic welding vibration arm for a roller device.
[0022] Figure 2 The utility model is a schematic diagram of the exploded structure of a fixing seat and a welding head of an ultrasonic welding vibration arm for a roller device.
[0023] Figure 3 The utility model is a bottom view structural schematic diagram of a fixing seat of an ultrasonic welding vibration arm used for a roller device.
[0024] Figure 4 The utility model is a structural schematic diagram of a welding head of an ultrasonic welding vibration arm for a roller device.
[0025] Figure 5 The utility model is a schematic diagram of the exploded structure of a transducer assembly of an ultrasonic welding vibration arm used for a roller device.
[0026] Description of reference numerals:
[0027] 1. Fixing seat; 11. Fixing cavity; 12. Perforation; 13. Threaded hole groove; 14. Limiting groove; 141. Rubber block; 15. Connecting hole; 2. Welding head; 21. Through cavity; 22. Boss; 221. Side connecting seat; 222. Vertical plate; 223. Hanging platform; 3. Hard coating; 4. Amplitude transformer; 5. Transducer assembly; 51. Transducer; 52. Convex ring; 53. Aluminum alloy cover; 54. Water cooling coil; 55. Cover; 56. Inlet and outlet holes; 57. Water connection head; 6. Threaded hole plate; 7. Fixing bolts. DETAILED DESCRIPTION
[0028] 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. Example 1
[0029] Reference Figure 1-5 , which is the first embodiment of the utility model, provides an ultrasonic welding vibrating arm for a roller device, the ultrasonic welding vibrating arm for a roller device, comprising a fixing seat 1, a welding head 2 and an amplitude transformer 4, a fixing cavity 11 is provided on the top of the fixing seat 1, and the welding head 2 is detachably mounted inside the fixing cavity 11, the amplitude transformer 4 is fixedly mounted on the middle part of the top of the welding head 2, and a transducer assembly 5 is fixedly mounted on the top of the amplitude transformer 4;
[0030] Bosses 22 are welded on both sides of the front and back of the welding head 2, and limiting grooves 14 connected to the fixing cavity 11 are opened at the four corners of the bottom of the fixing seat 1, and the bosses 22 are clamped and fixed inside the limiting grooves 14. The four hanging platforms 223 respectively enter the inside of the four limiting grooves 14, which limit the position of the welding head 2 fixed to the fixing seat 1 to avoid installation misalignment between the welding head 2 and the fixing seat 1.
[0031] The four corners of the bottom of the fixing seat 1 are detachably mounted with threaded hole plates 6 , and the threaded hole plates 6 are threadedly mounted with fixing bolts 7 through threaded holes opened thereon. The four corners of the bottom of the fixing seat 1 are all provided with threaded hole grooves 13 threadedly connected to the fixing bolts 7 .
[0032] The welding head 2 is installed by clamping, and four bosses 22 are made around the welding head 2 for clamping. The bosses 22 are located at the nodes, which conforms to the physical characteristics of ultrasound. The clamping position is close to the welding area and can withstand a pressure of 4000N. It can remain stable even at high-speed rotation. In addition, the threaded clamping installation is also convenient for assembly and disassembly.
[0033] A rubber block 141 is bonded and installed inside the limiting groove 14. When the hanging platform 223 is fixed, 17 will press the rubber block 141 downward by applying pressure to the hanging platform 223, so that the hanging platform 223 fits tightly with the hanging platform 223, avoiding the existence of gaps and improving the firmness of the installation of the welding head 2.
[0034] Through holes 12 are provided on both sides of the bottom of the fixing seat 1 and at the front and rear sides of the fixing cavity 11 .
[0035] The welding head 2 is wide at the top and narrow at the bottom, and the connecting portion of the wide at the top and narrow at the bottom is provided with an arc-shaped edge.
[0036] A connection hole 15 is formed on the top of the welding head 2 , and through cavities 21 are formed on both sides of the front side of the welding head 2 .
[0037] The boss 22 is fixed at the node of the welding head 2. The boss 22 includes a side connecting seat 221 welded on the welding head 2. The head end of the side connecting seat 221 is integrally formed with a vertical plate 222. The top of the vertical plate 222 is provided with a hanging platform 223 placed inside the limiting groove 14.
[0038] During use, the process of fixing the welding head 2 on the fixing base 1 is as follows:
[0039] Insert the head end of the welding head 2 from the bottom of the fixed cavity 11 into the interior of the fixed cavity 11, and make the four hanging platforms 223 enter the interior of the four limiting grooves 14 correspondingly;
[0040] Press the threaded hole plate 6 onto the hanging platform 223, and align the threaded hole on the threaded hole plate 6 with the threaded hole groove 13, then pass the fixing bolt 7 through the threaded hole on the threaded hole plate 6 and enter the internal thread connection of the threaded hole groove 13, fix the threaded hole plate 6 and clamp the hanging platform 223 between the threaded hole plate 6 and the fixing seat 1, and complete the installation and fixation of the welding head 2. Conversely, it can be aligned for disassembly. Example 2
[0041] Reference Figure 1-5 , which is the second embodiment of the utility model, and this embodiment is different from the first embodiment in that:
[0042] The transducer assembly 5 includes a convex ring 52, in which a transducer 51 is fixedly installed in the inner hole of the convex ring 52, an aluminum alloy cover 53 for shielding the transducer 51 is fixedly installed on the top of the convex ring 52, a water-cooling coil 54 is sleeved on the outer wall of the aluminum alloy cover 53, a cover 55 is fixedly installed on the outer edge of the top of the convex ring 52, and the cover 55 and the top of the aluminum alloy cover 53 are both provided with inlet and outlet holes 56 for the head end of the transducer 51 to pass through, water connectors 57 are interspersed and installed at the upper and lower positions of one side of the cover 55, and the two water connectors 57 are respectively connected to the inlet and outlet of the water-cooling coil 54, the aluminum alloy cover 53 absorbs and dissipates the heat emitted by the convex ring 52, and further dissipates the heat by passing water through the water-cooling coil 54 thereon, the double measures ensure heat dissipation, extend the service life, and shield the transducer 51 to prevent its high-voltage battery stack from being exposed to the outside, thereby improving safety.
[0043] A hard coating 3 is fixedly disposed on the bottom of the horn 4 .
[0044] During use, an aluminum alloy cover 53 is installed on the transducer 51, and the aluminum alloy cover 53 absorbs and dissipates the heat emitted by the convex ring 52, and further dissipates the heat by passing water through the water cooling coil 54 thereon.
[0045] The remaining structures are the same as those of Example 1.
[0046] 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. An ultrasonic welding vibrating arm for a roller device, characterized in that: The invention comprises a fixing seat (1), a welding head (2) and a horn (4), wherein a fixing cavity (11) is provided at the top of the fixing seat (1), and the welding head (2) is detachably mounted inside the fixing cavity (11), the horn (4) is fixedly mounted at the middle of the top of the welding head (2), and a transducer assembly (5) is fixedly mounted at the top of the horn (4); Bosses (22) are welded on both sides of the front and back of the welding head (2), and limiting grooves (14) connected to the fixing cavity (11) are formed at four corners of the bottom of the fixing seat (1), and the bosses (22) are clamped and fixed inside the limiting grooves (14).
2. The ultrasonic welding vibration arm for a roller device according to claim 1, characterized in that: The four corners of the bottom of the fixing seat (1) are detachably mounted with threaded hole plates (6), the threaded hole plates (6) are threadedly mounted with fixing bolts (7) through threaded holes formed thereon, and the four corners of the bottom of the fixing seat (1) are all provided with threaded hole grooves (13) threadedly connected to the fixing bolts (7).
3. The ultrasonic welding vibration arm for a roller device according to claim 2, characterized in that: A rubber block (141) is bonded and installed inside the limiting groove (14).
4. The ultrasonic welding vibration arm for a roller device according to claim 3, characterized in that: Both sides of the bottom of the fixing seat (1) and located at the front and rear sides of the fixing cavity (11) are provided with through holes (12).
5. The ultrasonic welding vibration arm for a roller device according to claim 4, characterized in that: The welding head (2) is wide at the top and narrow at the bottom, and a connecting portion of the wide at the top and narrow at the bottom is provided with an arc-shaped edge.
6. The ultrasonic welding vibration arm for a roller device according to claim 5, characterized in that: A connection hole (15) is provided on the top of the welding head (2), and through cavities (21) are provided on both sides of the front side of the welding head (2).
7. The ultrasonic welding vibration arm for a roller device according to claim 6, characterized in that: The boss (22) comprises a side connection seat (221) welded to the welding head (2), the head end of the side connection seat (221) is integrally formed with a vertical plate (222), and the top end of the vertical plate (222) is provided with a hanging platform (223) placed inside the limiting groove (14).
8. The ultrasonic welding vibration arm for a roller device according to claim 7, characterized in that: The transducer assembly (5) comprises a convex ring (52), a transducer (51) being fixedly mounted in the inner hole of the convex ring (52), an aluminum alloy cover (53) for shielding the transducer (51) being fixedly mounted on the top of the convex ring (52), a water cooling coil (54) being sleeved on the outer wall surface of the aluminum alloy cover (53), a cover (55) being fixedly mounted on the outer edge of the top of the convex ring (52), and an inlet and outlet hole (56) for the head end of the transducer (51) to pass through is formed on the top of the cover (55) and the aluminum alloy cover (53), and a water inlet (57) is inserted and mounted at the upper and lower positions of one side of the cover (55).
9. The ultrasonic welding vibration arm for a roller device according to claim 8, characterized in that: A hard coating (3) is fixedly provided on the bottom of the horn (4).