Ultrasonic welding assembly fixing device

Abstract

The utility model discloses an ultrasonic welding assembly fixing device, and relates to the technical field of non-woven fabric three-dimensional bag forming. Comprising an installation fixing plate, a transducer fixing plate and a hard-mounted transducer, limiting seats are installed at the two ends of the installation fixing plate through bolts, the transducer fixing plate is movably arranged in the limiting seats, linear bearings are embedded in the periphery of the installation fixing plate, and guide rods are embedded in the periphery of the transducer fixing plate; and the transducer fixing plate is in sliding connection with the mounting fixing plate through a guide rod and a linear bearing. According to the ultrasonic welding assembly fixing device, the original mode that the horizontal precision of a die is adjusted through a screw rod is replaced by the mode that the linear bearing is matched with the guide rod, the effects of positioning, supporting, limiting, guiding and the like can be achieved, the position precision and machining precision of the die are guaranteed, and the situation that equipment is not adjusted in place due to the technical reasons of operators is reduced. The field equipment adjusting time is saved; and the product welding quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of non-woven three-dimensional bag forming, and is particularly applied to a side welding station of a three-dimensional bag making machine, specifically an ultrasonic welding component fixing device. Background Art

[0002] Non-woven bags are environmentally friendly and practical, especially non-woven three-dimensional bags, which have been increasingly promoted and used in recent years. At present, non-woven three-dimensional bags are mainly automatically produced by non-woven three-dimensional bag making machines. The main production process is: the forming mold is pressed down from the middle position of the non-woven fabric cut into appropriate size. Under the action of the forming baffles on both sides, the two front sides of the non-woven three-dimensional bag are first formed, and then the side inserts are moved to form the two sides of the non-woven three-dimensional bag. Then the bottom inserts are moved to form the bottom corners of the non-woven three-dimensional bag. Then the ultrasonic welding head is moved to ultrasonically weld the side and bottom corner seams of the non-woven three-dimensional bag. Finally, the demoulding device pulls the non-woven three-dimensional bag down from the forming mold to complete the production of the non-woven three-dimensional bag. At present, the side welding station of the three-dimensional bag making machine has the following problems:

[0003] 1. Most existing ultrasonic welding component fixing devices use screws or bolts to adjust the level of the ultrasonic welding mold, which makes it difficult to adjust the level accuracy during on-site use and difficult to adjust to the required process accuracy, resulting in unstable welding quality and affecting product quality;

[0004] 2. The transducer in the existing ultrasonic welding assembly adopts a soft installation method, which requires the addition of rubber pads for buffering. The welding accuracy of the mold is difficult to control, thus affecting the welding quality of the product;

[0005] 3. Most of the existing ultrasonic welding component fixing devices use cylinder pressurization to adjust the welding pressure. Due to the fluctuation of air pressure and the change of welding pressure during the on-site production process, the welding quality is unstable, thus affecting the welding quality. Utility Model Content

[0006] The utility model provides an ultrasonic welding component fixing device to solve the problems in the background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an ultrasonic welding component fixing device, comprising a mounting plate, a transducer fixing plate and a hard-mounted transducer, wherein both ends of the mounting plate are mounted with limit seats by bolts, and the transducer fixing plate is movably arranged in the limit seats, and linear bearings are embedded around the mounting plate, and guide rods are embedded around the transducer fixing plate, and the transducer fixing plate is slidingly connected to the mounting plate through the guide rods and linear bearings, a spring adjusting bolt is mounted on the mounting plate, and the head end of the spring adjusting bolt is threadedly connected to the transducer fixing plate, a pressure spring is mounted on the spring adjusting bolt, and the hard-mounted transducer is provided with a transducer fixing flange, and is fixed to the transducer fixing plate through the transducer fixing flange, and an ultrasonic mold is mounted on the head end of the hard-mounted transducer.

[0008] Furthermore, the limiting seat is an L-shaped structure, which is combined with the two ends of the mounting plate to form a U-shaped structure.

[0009] Furthermore, threaded holes are provided around the mounting plate, and the smooth rod portion of the spring adjusting bolt is sleeved into the threaded holes.

[0010] Furthermore, the pressure spring is sleeved on the middle hole portion of the spring adjusting bolt, and the pressure spring is located between the middle hole step portion of the spring adjusting bolt and the transducer fixing plate.

[0011] Furthermore, a first through hole is provided in the middle of the transducer fixing plate, and the hard-mounted transducer passes through the first through hole and is fixed to the stepped end surface of the first through hole through a transducer fixing flange.

[0012] Furthermore, a second through hole is provided in the middle of the mounting and fixing plate, and the hard-mounted transducer passes through the second through hole.

[0013] Compared with the prior art, the present invention provides an ultrasonic welding assembly fixing device with the following beneficial effects:

[0014] 1. The ultrasonic welding component fixing device eliminates the original screw to adjust the horizontal accuracy of the mold, and instead uses the cooperation of linear bearings and guide rods to play the role of positioning, supporting, limiting, and guiding, ensuring the position accuracy and processing accuracy of the mold, reducing the equipment adjustment caused by technical reasons of the operator, saving on-site equipment adjustment time and improving product welding quality.

[0015] 2. The ultrasonic welding component fixing device changes the original soft-mounted transducer into a hard-mounted transducer, that is, the transducer fixing flange on the hard-mounted transducer can be directly fixed to the mounting plate, thereby improving the installation accuracy, thereby ensuring the welding quality, and improving the problem of affecting the installation accuracy due to the need to add a rubber pad for the soft-mounted transducer.

[0016] 3. The ultrasonic welding component fixing device changes the original cylinder pressurization method to a spring pressurization method. By adjusting the position of the spring adjusting bolt to change the compression amount of the spring, the spring pressure is adjusted, thereby changing the welding pressure and improving the welding quality. It improves the welding pressure fluctuation caused by air pressure fluctuation, which affects the welding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the utility model;

[0018] Figure 2 It is a front view of the utility model;

[0019] Figure 3 It is a top view of the utility model;

[0020] Figure 4 It is a rear view of the present invention.

[0021] In the figure: 1. Mounting plate; 2. Transducer fixing plate; 3. Hard-mounted transducer; 4. Limit seat; 5. Linear bearing; 6. Guide rod; 7. Spring adjustment bolt; 8. Pressure spring; 9. Transducer fixing flange; 10. Ultrasonic mold; 11. Threaded hole; 12. First through hole; 13. Second through hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-Figure 4The utility model discloses an ultrasonic welding assembly fixing device, including a mounting plate 1, a transducer mounting plate 2 and a hard-mounted transducer 3. The two ends of the mounting plate 1 are fixed with a limited seat 4 by bolts. The transducer mounting plate 2 is movably arranged in the limited seat 4. The mounting plate 1 is embedded with a linear bearing 5 around it. The transducer mounting plate 2 is inlaid with a guide rod 6 around it, and the transducer mounting plate 2 is slidably connected to the mounting plate 1 through the guide rod 6 and the linear bearing 5. The original method of adjusting the horizontal accuracy of the mold by the screw is eliminated, and the cooperation of the linear bearing 5 and the guide rod 6 is used instead. It can play the role of positioning, supporting, limiting, and guiding, ensuring the position accuracy and processing accuracy of the mold, reducing the equipment adjustment caused by the technical reasons of the operating workers, saving on-site equipment adjustment time and improving the product welding quality. The mounting plate 1 is equipped with a spring adjusting bolt 7, and the spring The head end of the spring adjusting bolt 7 is threadedly connected to the transducer fixing plate 2, and the spring adjusting bolt 7 is provided with a pressure spring 8, which changes the original cylinder pressure method to a spring pressure method. The compression amount of the spring is changed by adjusting the position of the spring adjusting bolt 7 to adjust the pressure of the spring, thereby changing the welding pressure, improving the welding quality, and improving the welding pressure fluctuation caused by the air pressure fluctuation, which affects the welding quality. The hard-mounted transducer 3 is provided with a transducer fixing flange 9, and is fixed to the transducer fixing plate 2 through the transducer fixing flange 9, and the original soft-mounted transducer is changed to a hard-mounted transducer, that is, the transducer fixing flange 9 on the hard-mounted transducer 3 can be directly fixed to the mounting plate, thereby improving the installation accuracy, thereby ensuring the welding quality, and improving the problem that the soft-mounted transducer needs to add a rubber pad, which affects the installation accuracy. The head end of the hard-mounted transducer 3 is installed with an ultrasonic mold 10.

[0024] Specifically, the limiting seat 4 is an L-shaped structure, which is combined with the two ends of the mounting plate 1 to form a U-shaped structure.

[0025] In this embodiment, the transducer fixing plate 2 is limited between the limiting seat 4 and the mounting fixing plate 1. By cooperating between the spring adjustment bolt 7 and the pressure spring 8, the distance between the transducer fixing plate 2 and the mounting fixing plate 1 can be fine-tuned.

[0026] Specifically, threaded holes 11 are provided around the mounting plate 1 , and the smooth rod portion of the spring adjusting bolt 7 is sleeved into the threaded holes 11 .

[0027] In this embodiment, the threaded hole 11 is an assembly structure for installing and positioning the spring adjusting bolt 7 .

[0028] Specifically, the pressure spring 8 is sleeved on the middle hole of the spring adjusting bolt 7 , and the pressure spring 8 is located between the step portion of the middle hole of the spring adjusting bolt 7 and the transducer fixing plate 2 .

[0029] In this embodiment, the tightness and stability of the connection are ensured by the tension of the pressure spring 8, and a certain buffering effect can be provided between the connecting parts to reduce the impact of vibration and impact.

[0030] Specifically, a first through hole 12 is provided in the middle of the transducer fixing plate 2 , and the hard-mounted transducer 3 passes through the first through hole 12 and is fixed to the stepped end surface of the first through hole 12 through the transducer fixing flange 9 .

[0031] In this embodiment, the first through hole 12 is a clearance structure to facilitate the installation of the hard-mounted transducer 3 on the transducer fixing plate 2 .

[0032] Specifically, a second through hole 13 is provided in the middle of the mounting plate 1 , and the hard-mounted transducer 3 passes through the second through hole 13 .

[0033] In this embodiment, the second through hole 13 is a position-avoiding structure to avoid structural interference between the hard-mounted transducer 3 and the mounting plate 1 .

[0034] During use, the original method of adjusting the horizontal accuracy of the mold by the screw is eliminated, and it is replaced by the cooperation of the linear bearing 5 and the guide rod 6, which can play the role of positioning, supporting, limiting, guiding, etc., to ensure the position accuracy and processing accuracy of the mold, reduce the equipment adjustment caused by technical reasons of the operator, save on-site equipment adjustment time and improve product welding quality, and change the original soft-mounted transducer to a hard-mounted transducer, that is, the transducer fixing flange 9 on the hard-mounted transducer 3 can be directly fixed on the mounting plate, thereby improving the installation accuracy and ensuring the welding quality, improving the problem of affecting the installation accuracy due to the need to add a rubber pad for the soft-mounted transducer, and changing the original cylinder pressurization method to a spring pressurization method, and adjusting the position of the spring adjusting bolt 7 to change the compression amount of the spring to adjust the pressure of the spring, thereby changing the welding pressure and improving the welding quality. It improves the welding pressure fluctuation caused by air pressure fluctuations, which affects the welding quality.

[0035] To sum up, the ultrasonic welding component fixing device eliminates the original method of adjusting the horizontal accuracy of the mold by the screw, and instead uses the cooperation of the linear bearing 5 and the guide rod 6 to play the role of positioning, supporting, limiting, guiding, etc., to ensure the position accuracy and processing accuracy of the mold, reduce the equipment adjustment caused by technical reasons of the operator, save on-site equipment time and improve product welding quality; the original soft-mounted transducer is changed to a hard-mounted transducer, that is, the transducer fixing flange 9 on the hard-mounted transducer 3 can be directly fixed on the mounting plate, thereby improving the installation accuracy and thus ensuring the welding quality, and improving the problem of affecting the installation accuracy due to the need to add a rubber pad for the soft-mounted transducer; the original cylinder pressurization method is changed to a spring pressurization method, and the spring pressure is adjusted by adjusting the position of the spring adjusting bolt 7 to change the compression amount of the spring, thereby changing the welding pressure, improving the welding quality, and improving the welding pressure fluctuation caused by air pressure fluctuations, which affects the welding quality.

[0036] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An ultrasonic welding assembly fixing device, comprising a mounting fixing plate (1), a transducer fixing plate (2) and a hard-mounted transducer (3), characterized in that: The two ends of the mounting plate (1) are fixed with limit seats (4) by bolts, and the transducer fixing plate (2) is movably arranged in the limit seat (4). The mounting plate (1) is embedded with linear bearings (5) around the periphery, and the transducer fixing plate (2) is embedded with guide rods (6) around the periphery, and the transducer fixing plate (2) is slidably connected to the mounting plate (1) through the guide rods (6) and the linear bearings (5). The mounting plate (1) is provided with a spring adjustment bolt (7), and the head end of the spring adjustment bolt (7) is threadedly connected to the transducer fixing plate (2), and the spring adjustment bolt (7) is provided with a pressure spring (8). The hard-mounted transducer (3) is provided with a transducer fixing flange (9) and is fixed to the transducer fixing plate (2) through the transducer fixing flange (9). The head end of the hard-mounted transducer (3) is provided with an ultrasonic mold (10).

2. The ultrasonic welding assembly fixing device according to claim 1, characterized in that: The limiting seat (4) is an L-shaped structure, and is combined with the two ends of the mounting plate (1) to form a U-shaped structure.

3. The ultrasonic welding assembly fixing device according to claim 1, characterized in that: The mounting plate (1) is provided with threaded holes (11) around its periphery, and the smooth rod portion of the spring adjusting bolt (7) is sleeved in the threaded holes (11).

4. The ultrasonic welding assembly fixing device according to claim 1, characterized in that: The pressure spring (8) is sleeved on the middle hole portion of the spring adjusting bolt (7), and the pressure spring (8) is located between the middle hole step portion of the spring adjusting bolt (7) and the transducer fixing plate (2).

5. The ultrasonic welding assembly fixing device according to claim 1, characterized in that: A first through hole (12) is provided in the middle of the transducer fixing plate (2), and the hard-mounted transducer (3) passes through the first through hole (12) and is fixed to the stepped end surface of the first through hole (12) through the transducer fixing flange (9).

6. The ultrasonic welding assembly fixing device according to claim 1, characterized in that: A second through hole (13) is provided in the middle of the mounting plate (1), and the hard-mounted transducer (3) passes through the second through hole (13).

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