Positioning clamp for ultrasonic welding machine

By using worm gear meshing transmission and hydraulic cylinder V-shaped clamp design, the problem of existing ultrasonic welding machine positioning clamps being unable to adjust the position of the ball bearings has been solved, achieving stable support and precise clamping of different pipe fittings, thus improving welding quality and practicality.

CN224115386UActive Publication Date: 2026-04-14ARISEN PRECISION TECHNOLOGY (SUZHOU) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-19
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

The existing ultrasonic welding machine positioning fixture cannot adjust the position of the ball bearings, making it unsuitable for pipe fittings of different sizes and reducing the practicality of the device.

Method used

It adopts a worm gear and worm wheel meshing transmission structure, which drives the pinion and external gear ring through the rotating shaft to realize the rotation of the rotating disk. In conjunction with the movement of the U-shaped rod and the crossbar seat, the position of the ball is adjusted; combined with the hydraulic cylinder and V-shaped clamp, the clamping and angle adjustment of the pipe fittings are realized.

Benefits of technology

It achieves stable support and precise clamping of pipe fittings of different sizes, improving welding quality and the practicality of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a location fixture for ultrasonic welding machine relates to fixture technical field, including base, the top of base is provided with two annular seat, the outside of two annular seat is fixedly connected with a plurality of reinforcing plate, the plurality of reinforcing plate is fixedly connected with base, the outside of two annular seat is rotatingly connected with the rotary disc, the rotary disc is rotatingly connected with the rotary disc. A rotating structure is arranged between the two rotating discs, the worm is meshed with the worm gear, the worm gear drives the two small gears to rotate through the rotating shaft, the two small gears are meshed with the two outer gear rings correspondingly, the two outer gear rings drive the two rotating discs to rotate on the outer sides of the two annular bases correspondingly, and under the condition that the two rotating discs rotate, the two rotating discs can rotate on the outer sides of the two annular bases correspondingly. The multiple U-shaped rods slide in the multiple arc-shaped grooves correspondingly, the multiple U-shaped rods drive the multiple transverse rod bases to move towards the center of the annular base correspondingly, the positions of the multiple balls are adjusted, the requirement for supporting various pipe fittings of different sizes is met, and the practicability of the device is improved.
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Description

Technical Field

[0001] This utility model relates to the field of fixture technology, specifically a positioning fixture for an ultrasonic welding machine. Background Technology

[0002] An ultrasonic welding machine is a device that uses high-frequency ultrasonic vibration energy to weld materials. It is widely used for precision welding of various materials such as plastics, metals, and rubber.

[0003] In the prior art, patent announcement number CN215616176U discloses a positioning fixture for a welding machine, comprising: a base, a first fixing mechanism, and a second fixing mechanism; the upper surface of the base is provided with at least two slide rails spaced apart, at least two sets of the first fixing mechanism and two sets of the second fixing mechanism are slidably disposed in the slide rails, and the two sets of the second fixing mechanism are located between the two sets of the first fixing mechanism; the first fixing mechanism comprises: a first support plate, a top block, and a rotating shaft, the top block being frustum-shaped and horizontally disposed, the back of the top block being rotatably disposed on the first support plate via the rotating shaft; the second fixing mechanism comprises: a second support plate, a first clamping plate, a second clamping plate, an electromagnet, and a magnetic adsorption component.

[0004] While the above solution offers many advantages, it also has the following drawbacks: although multiple ball bearings are used to support the rotation of the pipe, these ball bearings cannot be adjusted, which means the device cannot be used with multiple pipes of different sizes, thus reducing its practicality. Utility Model Content

[0005] The purpose of this invention is to provide a positioning fixture for an ultrasonic welding machine, which solves the problem in the prior art that multiple ball bearings are used to support the rotation of the pipe, but the multiple ball bearings cannot be adjusted, resulting in the device being unable to meet the needs of multiple pipes of different sizes.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a positioning fixture for an ultrasonic welding machine, comprising a base, two annular seats on the top of the base, multiple reinforcing plates fixedly connected to the outer sides of the two annular seats, the multiple reinforcing plates being fixedly connected to the base, rotating disks rotatably connected to the outer sides of the two annular seats, a rotating structure between the two rotating disks, multiple arc-shaped grooves on the outer sides of the rotating disks, U-shaped rods slidably disposed inside the arc-shaped grooves, both ends of the U-shaped rods passing through the outer sides of the annular seats and extending into the interior of the annular seats, the U-shaped rods being slidably connected to the annular seats, a crossbar seat fixedly connected to the U-shaped rods, multiple ball bearings mounted on the outer side of the crossbar seat, adjusting plates on both sides of the base, a pushing member between the adjusting plates and the base, and a clamping structure on the outer side of the adjusting plates.

[0007] Preferably, the rotating structure includes a rotating shaft disposed on the top of the base. Two reinforcing plates pass through both ends of the rotating shaft and are rotatably connected to the two reinforcing plates. A worm gear is fixedly connected to the outside of the rotating shaft, and a worm is meshed with the outside of the worm gear. Two support blocks are rotatably connected to the outside of the worm, and each of the two support blocks is fixedly connected to one of the reinforcing plates. A throttle handle is installed at one end of the worm. The two support blocks provide rotational support for the worm.

[0008] Preferably, the rotating structure further includes two pinions, both of which are fixedly connected to both ends of the rotating shaft. External gear rings are meshed with the outer sides of both pinions, and the two external gear rings are respectively fixedly connected to the outer sides of the two rotating disks.

[0009] Preferably, the top of the base has multiple grooves, and each groove has a slidably mounted protruding rod. The protruding rods are arranged in pairs, and the two pairs of protruding rods are fixedly connected to two adjusting plates respectively. The sliding connection of the protruding rods in the grooves provides stable support for the movement of the adjusting plates, avoiding shaking or displacement of the adjusting plates during movement, thereby improving the stability of the pipe fittings during clamping and ensuring welding quality.

[0010] Preferably, the pushing component includes a hydraulic cylinder, which is fixedly connected to the top of the base. The telescopic end of the hydraulic cylinder is fixedly connected to the adjusting plate. Through the telescopic movement of the hydraulic cylinder, the moving distance of the adjusting plate can be precisely controlled, thereby achieving precise control of the clamping force on the pipe fitting and avoiding damage to the pipe fitting or insecure clamping due to excessive or insufficient clamping force.

[0011] Preferably, the clamping structure includes a mounting plate, which is disposed on one side of the adjusting plate. Two hydraulic cylinders are provided on one side of the mounting plate. Support blocks are fixedly connected to the outer sides of the two hydraulic cylinders. The two support blocks are fixedly connected to the mounting plate. V-shaped clamps are fixedly connected to the telescopic ends of the two hydraulic cylinders.

[0012] Preferably, a rotating column is fixedly connected to the other side of the mounting plate. One end of the rotating column passes through the adjusting plate and is rotatably connected to the adjusting plate. A handwheel is installed on the outer side of one end of the rotating column. By rotating the handwheel, the rotating column drives the mounting plate to rotate, thereby realizing the angle adjustment of the pipe fitting during the welding process.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This application utilizes a worm gear meshing with a worm wheel. The worm wheel drives two pinions to rotate via a rotating shaft. The two pinions mesh with two external gear rings, which in turn drive two rotating disks to rotate outside two annular seats. As the two rotating disks rotate, multiple U-shaped rods slide in multiple arc-shaped grooves, and these U-shaped rods drive multiple crossbar seats to move towards the center of the annular seats, thereby adjusting the position of multiple balls. This allows for the support of various pipe fittings of different sizes, improving the practicality of the device.

[0015] 2. This application activates two hydraulic cylinders to move two V-shaped clamps in opposite directions. The two V-shaped clamps can clamp and fix one end of the pipe fitting. The V-shaped clamps are equipped with anti-slip pads to improve the stability of fixing the pipe fitting.

[0016] 3. By rotating the handwheel, the rotating column drives the mounting plate to rotate, so the two V-shaped clamps can drive the fixed pipe fitting to rotate between multiple balls, thereby realizing the angle adjustment of the pipe fitting during welding. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of a positioning fixture for an ultrasonic welding machine according to the present invention;

[0018] Figure 2 This is a schematic diagram of the rotating structure of a positioning fixture for an ultrasonic welding machine according to the present invention.

[0019] Figure 3 This is a schematic diagram of the U-shaped rod structure of a positioning clamp for an ultrasonic welding machine according to the present invention;

[0020] Figure 4 This is a schematic diagram of the mounting plate structure of a positioning fixture for an ultrasonic welding machine according to the present invention.

[0021] The following are the labels in the diagram: 1. Base; 2. Groove; 3. Protruding rod; 4. Adjusting plate; 5. Hydraulic cylinder one; 6. Mounting plate; 60. Rotating column; 61. Handwheel; 7. V-shaped clamp; 8. Hydraulic cylinder two; 9. Support block; 10. Ring seat; 11. Reinforcing plate; 12. Rotating disk; 13. External gear ring; 14. Pinion; 15. Rotating shaft; 16. Worm gear; 17. Worm; 18. Arc groove; 19. U-shaped rod; 20. Crossbar seat; 21. Ball bearing. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Example: Figure 1 - Figure 4 As shown, this utility model provides a technical solution for a positioning fixture for an ultrasonic welding machine, including a base 1. The top of the base 1 is provided with two annular seats 10. Multiple reinforcing plates 11 are fixedly connected to the outer sides of the two annular seats 10. The multiple reinforcing plates 11 are fixedly connected to the base 1. Rotating disks 12 are rotatably connected to the outer sides of the two annular seats 10. A rotating structure is provided between the two rotating disks 12. Multiple arc-shaped grooves 18 are opened on the outer side of the rotating disks 12. U-shaped rods 19 are slidably arranged inside the arc-shaped grooves 18. Both ends of the U-shaped rods 19 pass through the outer side of the annular seats 10 and extend into the inner side of the annular seats 10. The U-shaped rods 19 are slidably connected to the annular seats 10. A crossbar seat 20 is fixedly connected to the U-shaped rod 19. Multiple ball bearings 21 are installed on the outer side of the crossbar seat 20. Adjusting plates 4 are provided on both sides of the base 1. A pushing member is provided between the adjusting plates 4 and the base 1. A clamping structure is provided on the outer side of the adjusting plates 4.

[0024] The rotating structure includes a rotating shaft 15, which is located on the top of the base 1. Two reinforcing plates 11 pass through both ends of the rotating shaft 15 and are rotatably connected to the two reinforcing plates 11. A worm gear 16 is fixedly connected to the outside of the rotating shaft 15. A worm 17 is meshed with the outside of the worm gear 16. Two support blocks are rotatably connected to the outside of the worm 17. Both support blocks are fixedly connected to one of the reinforcing plates 11. A throttle is installed at one end of the worm 17. The rotating structure also includes two pinions 14, which are fixedly connected to both ends of the rotating shaft 15. External gear rings 13 are meshed with the outside of both pinions 14. The two external gear rings 13 are fixedly connected to the outside of the two rotating disks 12 respectively.

[0025] Specifically, when the throttle is turned, the worm 17 meshes with the worm wheel 16. The worm wheel 16 drives two pinions 14 to rotate via the shaft 15. The two pinions 14 mesh with two external gear rings 13 respectively. The two external gear rings 13 drive two rotating disks 12 to rotate outside the two annular seats 10. When the two rotating disks 12 are rotating, multiple U-shaped rods 19 slide in multiple arc-shaped grooves 18 respectively. The multiple U-shaped rods 19 drive multiple crossbar seats 20 to move towards the center of the annular seat 10, thereby adjusting the position of multiple balls 21. This satisfies the need to support various pipe fittings of different sizes and improves the practicality of the device.

[0026] Example: Figure 1 and Figure 4 As shown, the top of the base 1 has multiple protrusions 2, and protrusions 3 are slidably arranged inside each of the multiple protrusions 2. The multiple protrusions 3 are arranged in pairs, and the two sets of protrusions 3 are respectively fixedly connected to two adjusting plates 4.

[0027] The pushing component includes a hydraulic cylinder 5, which is fixedly connected to the top of the base 1, and the telescopic end of the hydraulic cylinder 5 is fixedly connected to the adjusting plate 4.

[0028] The clamping structure includes a mounting plate 6, which is located on one side of the adjusting plate 4. Two hydraulic cylinders 8 are provided on one side of the mounting plate 6. Support blocks 9 are fixedly connected to the outer side of each of the two hydraulic cylinders 8. Both support blocks 9 are fixedly connected to the mounting plate 6. V-shaped clamps 7 are fixedly connected to the telescopic ends of the two hydraulic cylinders 8. A rotating column 60 is fixedly connected to the other side of the mounting plate 6. One end of the rotating column 60 passes through the adjusting plate 4 and is rotatably connected to the adjusting plate 4. A handwheel 61 is installed on the outer side of one end of the rotating column 60.

[0029] Specifically, the fitting can be inserted into the annular seat 10 from one side of the mounting plate 6, and then the movement of the adjusting plate 4 can be adjusted by activating the hydraulic cylinder 5. The two protruding rods 3 slide in the two protruding grooves 2 respectively, which improves the stability of the adjusting plate 4 during movement adjustment.

[0030] By activating two hydraulic cylinders 8, the two V-shaped clamps 7 move in opposite directions. The two V-shaped clamps 7 can clamp and fix one end of the pipe fitting. The V-shaped clamps 7 are equipped with anti-slip pads to improve the stability of fixing the pipe fitting.

[0031] Turning the handwheel 61 causes the rotating column 60 to rotate the mounting plate 6, so the two V-shaped clamps 7 can drive the fixed pipe fitting to rotate between multiple balls 21, thereby realizing the angle adjustment of the pipe fitting during welding.

[0032] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A positioning fixture for an ultrasonic welding machine, characterized in that: Includes a base (1), the top of which is provided with two annular seats (10), and multiple reinforcing plates (11) are fixedly connected to the outer sides of the two annular seats (10). The multiple reinforcing plates (11) are fixedly connected to the base (1). Rotating disks (12) are rotatably connected to the outer sides of the two annular seats (10). A rotating structure is provided between the two rotating disks (12). Multiple arc-shaped grooves (18) are opened on the outer side of the rotating disks (12). U-shaped grooves are slidably arranged inside the arc-shaped grooves (18). The U-shaped rod (19) has both ends passing through the outside of the annular seat (10) and extending into the inside of the annular seat (10). The U-shaped rod (19) is slidably connected to the annular seat (10). A crossbar seat (20) is fixedly connected to the U-shaped rod (19). Multiple ball bearings (21) are installed on the outside of the crossbar seat (20). Adjustment plates (4) are provided on both sides of the base (1). A pusher is provided between the adjustment plate (4) and the base (1). A clamping structure is provided on the outside of the adjustment plate (4).

2. The positioning fixture for an ultrasonic welding machine according to claim 1, characterized in that: The rotating structure includes a rotating shaft (15), which is located on the top of the base (1). The two ends of the rotating shaft (15) pass through two reinforcing plates (11) respectively and are rotatably connected to the two reinforcing plates (11). A worm gear (16) is fixedly connected to the outside of the rotating shaft (15). A worm (17) is meshed with the outside of the worm gear (16). Two support blocks are rotatably connected to the outside of the worm (17). Both support blocks are fixedly connected to one of the reinforcing plates (11). A throttle handle is installed at one end of the worm (17).

3. A positioning fixture for an ultrasonic welding machine according to claim 2, characterized in that: The rotating structure also includes two pinions (14), both pinions (14) are fixedly connected to both ends of the rotating shaft (15), and both pinions (14) are meshed with external gear rings (13) on their outer sides, and the two external gear rings (13) are respectively fixedly connected to the outer sides of the two rotating disks (12).

4. A positioning fixture for an ultrasonic welding machine according to claim 1, characterized in that: The base (1) has multiple grooves (2) on its top. Each groove (2) has a slidable protrusion (3). The protrusions (3) are arranged in pairs, and the two sets of protrusions (3) are fixedly connected to two adjusting plates (4).

5. A positioning fixture for an ultrasonic welding machine according to claim 1, characterized in that: The pushing component includes a hydraulic cylinder (5), which is fixedly connected to the top of the base (1), and the telescopic end of the hydraulic cylinder (5) is fixedly connected to the adjusting plate (4).

6. A positioning fixture for an ultrasonic welding machine according to claim 1, characterized in that: The clamping structure includes a mounting plate (6), which is located on one side of the adjusting plate (4). Two hydraulic cylinders (8) are provided on one side of the mounting plate (6). Support blocks (9) are fixedly connected to the outer side of each of the two hydraulic cylinders (8). Both support blocks (9) are fixedly connected to the mounting plate (6). V-shaped clamps (7) are fixedly connected to the telescopic ends of each of the two hydraulic cylinders (8).

7. A positioning fixture for an ultrasonic welding machine according to claim 6, characterized in that: A rotating column (60) is fixedly connected to the other side of the mounting plate (6). One end of the rotating column (60) passes through the adjusting plate (4) and is rotatably connected to the adjusting plate (4). A handwheel (61) is installed on the outer side of one end of the rotating column (60).

Citation Information

Patent Citations

  • Positioning clamp for welding machine

    CN215616176U