Ultrasonic welding device

Abstract

The utility model provides an ultrasonic welding device which comprises a fixing seat, a connecting shaft is connected to the fixing seat, and the other end of the connecting shaft is connected with a connector seat capable of turning over up and down in a vertical plane extending in the front-back direction. The connector base is connected with a fixing plate which can deflect clockwise or anticlockwise in a vertical plane extending in the left-right direction. A vertically-extending driving cylinder is installed on the fixing plate, the driving end of the driving cylinder is connected with an ultrasonic welding assembly, and a displacement sensor used for monitoring the lifting distance of the ultrasonic welding assembly is connected to the connecting plate or the side wall of the driving cylinder. According to the ultrasonic welding device, multi-angle adjustment of the welding assembly can be achieved, the welding depth can be monitored and adjusted in real time, and the qualified rate of finished products is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding equipment technical field, specifically, relate to an ultrasonic welding device. BACKGROUND

[0002] Ultrasonic welding is through ultrasonic generator high frequency electric energy input to ultrasonic transducer, ultrasonic transducer converts high frequency electric energy into mechanical energy, drives the welding head to produce ultrasonic vibration, and the welding head and the plastic piece surface high frequency friction heat generation of need welding, destroy two need to weld the molecular structure of plastic surface, make it two two mutual fusion, and reach the welding purpose after cooling.

[0003] The existing ultrasonic welding equipment is too complex, the cost is high, and the welding position is inconvenient to adjust, and the welding depth cannot be effectively controlled, so that the qualified rate of finished products after welding cannot be guaranteed. SUMMARY

[0004] In order to overcome at least one defect in the prior art, the utility model provides an ultrasonic welding device, which can realize multi-angle adjustment of the welding assembly, and the welding depth can be monitored and adjusted in real time, so that the qualified rate of finished products is guaranteed.

[0005] The utility model provides an ultrasonic welding device: including fixed base, be connected with connecting shaft on the fixed base, the other end of connecting shaft is connected with the joint base that can turn over up and down in the vertical plane that extends in front and back direction, be connected with the fixed plate that can be deflected in clockwise direction or counterclockwise direction in the vertical plane that extends in left and right direction on the joint base;The driving cylinder of vertical extension is installed on the fixed plate, the driving end of driving cylinder is connected with ultrasonic welding assembly, the displacement sensor for monitoring the lifting distance of ultrasonic welding assembly is connected on the fixed plate or the side wall of driving cylinder.

[0006] Compared with the prior art, the ultrasonic welding device of the utility model has the following advantages:

[0007] In the structure of the ultrasonic welding device of the utility model, the connecting shaft on the fixed base is connected with the fixed plate through the joint base, the welding assembly is connected on the fixed plate through the driving cylinder, the joint base and the connecting shaft can turn over up and down in the vertical plane that extends in front and back direction, the fixed plate and the joint base can be deflected in clockwise direction or counterclockwise direction in the vertical plane that extends in left and right direction, so that the welding angle can be flexibly adjusted, and the welding depth is controlled through the driving cylinder, and is monitored in real time through the displacement sensor, when reaching the preset welding depth and the mechanical limit of the driving cylinder in actual application, welding is stopped, so that the welding precision and the flatness and beauty of the weld are guaranteed.

[0008] Further, the ultrasonic welding assembly comprises a mounting base connected with the driving end of the driving cylinder, an ultrasonic transducer is detachably connected on the mounting base, and the driving end of the ultrasonic transducer is connected with a welding head; a blowing assembly is further arranged on the mounting base, and the air outlet of the blowing assembly faces the end of the welding head.

[0009] As an improvement, the lower end of the fixing plate is connected with a vertically extending guide slide rod, a mounting hole communicating up and down is formed on the mounting base, a guide slide sleeve is fitted in the mounting hole, and the guide slide sleeve is slidably sleeved on the outside of the guide slide rod; the lower end of the guide slide rod is connected with a limiting assembly for limiting the downward movement of the mounting base to a limit position.

[0010] Preferably, the driving cylinder is one of a pneumatic cylinder, a hydraulic cylinder or an electric push cylinder.

[0011] Further, the blowing assembly comprises two blowing pipes symmetrically arranged on the two sides of the welding head, the upper ends of the two blowing pipes are detachably inserted on the mounting base, and the air outlets of the two blowing pipes both face the position of the welding head.

[0012] Further improvement, one end of the connecting shaft away from the fixed base is connected with a connecting block, a first connecting hole is formed in the side wall of the connecting block, the joint seat comprises a first connecting plate and a second connecting plate perpendicular to each other, the first connecting plate is connected in the first connecting hole through a first bolt, at least two first arc-shaped through holes are formed in the first connecting plate and are uniformly distributed in the outer periphery of the first bolt, at least two groups of second connecting holes corresponding to each first arc-shaped through hole are formed in the connecting block, each group of second connecting holes comprises at least two, and a second bolt for connecting to the corresponding second connecting hole is arranged in each first arc-shaped through hole; at least two second arc-shaped through holes are formed in the second connecting plate and are uniformly distributed in the circumferential direction, at least two groups of third connecting holes corresponding to each second arc-shaped through hole are formed in the fixing plate, and a third bolt for connecting to the corresponding third connecting hole is arranged in each second arc-shaped through hole.

[0013] Further improvement, the middle part of one end of the second connecting plate away from the first connecting plate is recessed to form a positioning insertion hole, the fixing plate is protruded to form a positioning insertion column, the positioning insertion column is inserted and matched in the positioning insertion hole, and the positioning insertion hole and the positioning insertion column can rotate relative to each other.

[0014] Other improved features and advantages of the present application will be set forth in the following detailed description, and in part will become apparent to those skilled in the art from the description, or can be learned by practice of the application. The objects and other advantages of the present application can be realized and attained by the structure particularly pointed out in the description and the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective view of the ultrasonic welding device of the present application;

[0016] Figure 2 It is another perspective view of the ultrasonic welding device of the present application;

[0017] Figure 3 It is a partial view of the connecting structure of the connecting shaft, the joint seat and the fixing plate in the present embodiment;

[0018] Figure 4 It is an exploded view of the connecting structure of the connecting block, the joint seat and the fixing plate in the present application;

[0019] Figure 5 It is Figure 4 another perspective view of the exploded structure in the present application;

[0020] Figure 6 It is a partial view of the connecting structure of the fixing plate and the mounting seat in the present application.

[0021] BRIEF DESCRIPTION OF DRAWINGS

[0022] 1, fixed seat; 2, connecting shaft; 3, joint seat; 4, fixed plate; 5, drive cylinder; 6, displacement sensor; 7, mounting seat; 8, ultrasonic transducer; 9, welding head; 10, blowing pipe; 11, guide slide; 12, guide slide sleeve; 13, connecting block; 14, first connecting hole; 15, first connecting plate; 16, second connecting plate; 17, first bolt; 18, first arc-shaped through hole; 19, second connecting hole; 20, second bolt; 21, second arc-shaped through hole; 22, third connecting hole; 23, third bolt; 24, positioning hole; 25, positioning column; 26, positioning plate; 27, positioning bolt; 28, locking nut; DETAILED DESCRIPTION

[0023] First, those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present application, and are not intended to limit the protection scope of the present application. Those skilled in the art can adjust them as needed to adapt to specific application occasions.

[0024] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "fixed", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] The application will be further described in detail below in combination with the drawings and specific embodiments.

[0026] Referring to Figures 1-6 As shown in the drawings, the embodiment discloses an ultrasonic welding device, which comprises a fixing base 1, the lower end of the fixing base 1 is connected with a vertically arranged connecting shaft 2, the other end (lower end) of the connecting shaft 2 is connected with a joint base 3 capable of being flipped up and down in a vertical plane extending in the front and back direction, the joint base 3 is connected with a fixed plate 4 capable of being deflected in the clockwise or counterclockwise direction in a vertical plane extending in the left and right direction, that is, the connecting shaft 2 and the fixed plate 4 can realize multi-angle position adjustment.

[0027] In addition, a vertically extending drive cylinder 5 is installed on the side wall of the fixed plate 4, and the driving end of the drive cylinder 5 is connected with an ultrasonic welding assembly, and a displacement sensor 6 for monitoring the lifting distance of the ultrasonic welding assembly is connected on the side wall of the fixed plate 4 or the drive cylinder 5. In the above structure, the welding angle can be flexibly adjusted through the multi-directional adjusting joint base 3 structure, the welding position precision is improved, and through the installation of the displacement sensor 6, the cylinder magnetic ring position of the drive cylinder 5 is monitored in real time, the analog signal is fed back to the PLC, so that the welding depth is monitored in real time; in actual application, when the preset welding depth and the mechanical limit of the drive cylinder 5 are reached, the welding is stopped, and the welding precision and the flatness and beauty of the weld are ensured.

[0028] In the embodiment, the ultrasonic welding assembly comprises a mounting seat 7, the upper end of the mounting seat 7 is connected with the driving end of the drive cylinder 5, and the ultrasonic transducer 8 is detachably connected on the mounting seat 7, and the driving end of the ultrasonic transducer 8 is connected with a welding head 9; a blowing assembly is further arranged on the mounting seat 7, and the air outlet of the blowing assembly faces the end of the welding head 9, after the welding is completed, the blowing assembly is used to blow air to the welding point position in time for cooling, so as to ensure the strength performance of the welding point.

[0029] In another aspect, in order to further ensure the stability of the lifting of the mounting seat 7, two vertically extending guide sliding rods 11 are connected at the lower end of the fixed plate 4, two mounting holes communicating up and down are formed on the mounting seat 7, two guide sliding sleeves 12 are arranged in the two mounting holes, and the two guide sliding sleeves 12 are slidingly sleeved on the outside of the guide sliding rods 11. In addition, a limiting assembly for limiting the downward movement of the mounting seat 7 to the limit position is connected at the lower end of the guide sliding rod 11.

[0030] Participate in the Figure 6Specifically, the limiting assembly comprises a positioning plate 26 horizontally connected to the lower ends of the two guide sliding rods 11, a vertically extending positioning bolt 27 is arranged in the middle of the positioning plate 26, and the bolt head of the positioning bolt 27 is above, which is used to support the mounting seat 7 when the mounting seat 7 is lowered to the limit position; and a locking nut 28 is arranged at the lower end of the positioning bolt 27, and the accurate adjustment of the lower limit position of the mounting seat 7 can be realized by adjusting the up-down position of the positioning bolt 27, so as to adapt to various working conditions of different welding depths,

[0031] In the embodiment, the driving cylinder 5 referred to in the above description is one of a gas cylinder, a hydraulic cylinder or an electric cylinder. Preferably, the driving cylinder is a gas cylinder, which uses compressed gas as a power source, and is more clean and environmentally friendly.

[0032] In addition, the air blowing assembly comprises two air blowing pipes 10 (only one is shown in the figure) symmetrically arranged on both sides of the welding head 9, the upper ends of the two air blowing pipes 10 are detachably inserted into the mounting seat 7, the upper ends of the two air blowing pipes 10 are connected with air inlet joints for quick connection with external air supply pipelines; and the air outlet ends of the two air blowing pipes 10 are both directed to the position of the welding head 9, which is used to cool the welding point in time and ensure the firm connection of the welding position.

[0033] In the embodiment, referring to the drawings, Figure 3 4 ​And 5, connecting shaft 2 through joint base 3 and fixed plate 4 between the multi-angle adjustment, specifically refers to, in the connecting shaft 2 away from the fixed seat 1 one end of the connecting block 13, the side wall of the connecting block 13 is provided with the first connecting hole 14, joint base 3 includes the first connecting plate 15 and the second connecting plate 16 perpendicular to each other, the first connecting plate 15 is connected in the first connecting hole 14 through the first bolt 17, the first connecting plate 15 is also provided with at least two first arc-shaped through holes 18 distributed in the circumferential direction outside the first bolt 17, the connecting block 13 is also provided with at least two groups of second connecting holes 19 corresponding to each first arc-shaped through hole 18, and each group of second connecting holes 19 includes at least two, each first arc-shaped through hole 18 is provided with a second bolt 20 for connecting to the corresponding position of the second connecting hole 19;The second connecting plate 16 is provided with at least two second arc-shaped through holes 21 distributed in the circumferential direction, and the fixed plate 4 is provided with at least two groups of third connecting holes 22 corresponding to each second arc-shaped through hole 21, each second arc-shaped through hole 21 is provided with a third bolt 23 for connecting to the corresponding position of the third connecting hole 22. When the front and rear angle of the fixed plate 4 needs to be adjusted, the first bolt 17 is loosened, the second bolt 20 is screwed out, the first connecting plate 15 is rotated to the corresponding position, the first bolt 17 is tightened again, then each second bolt 20 is connected to the corresponding position of the second connecting hole 19 through the first arc-shaped through hole 18, and the same, when the left and right inclination angle of the fixed plate 4 needs to be adjusted, the third bolt 23 is loosened, the fixed plate 4 is rotated to the appropriate position in the required direction, and the third bolt 23 is reloaded into the corresponding position of the third connecting hole 22, which is very convenient.

[0034] In the above structure, preferably, the first arc-shaped through hole 18 is three uniformly distributed in the circumferential direction, and the second connecting hole 19 is arranged at the positions corresponding to the two end portions of the three first arc-shaped through holes 18 on the connecting block 13. The second arc-shaped through hole 21 is two, and is symmetrically arranged on the left and right sides of the first connecting plate 15, and five third connecting holes 22 are arranged on the fixed plate 4 corresponding to the positions of the two second arc-shaped through holes 21.

[0035] Continue to refer to the drawings Figure 5 In the embodiment, the positioning insertion hole 24 is arranged in the middle of the second connecting plate 16 away from the first connecting plate 15, the positioning insertion column 25 is arranged outwardly protruding on the fixed plate 4, the positioning insertion column 25 is inserted and matched in the positioning insertion hole 24, and the positioning insertion hole 24 and the positioning insertion column 25 can rotate relative to each other.

[0036] In the description of the application, the description referring to the terms "the embodiment", "this embodiment" and the like means that the specific features, mechanisms, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the application. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, mechanisms, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples, without mutual contradiction.

[0037] The above description is merely specific implementation of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An ultrasonic welding device characterized by: The utility model provides a kind of ultrasonic welding device, including fixed seat (1), connecting shaft (2) is connected on the fixed seat (1), the other end of the connecting shaft (2) is connected with the joint seat (3) that can be turned up and down in the vertical plane extending in front-back direction, fixed plate (4) can be deflected in clockwise or counterclockwise direction in the vertical plane extending in left-right direction is connected on the joint seat (3);Vertical extension drive cylinder (5) is installed on the fixed plate (4), the drive end of the drive cylinder (5) is connected with ultrasonic welding assembly, displacement sensor (6) for monitoring the lifting distance of the ultrasonic welding assembly is connected on the side wall of the fixed plate (4) or the drive cylinder (5).

2. The ultrasonic welding device of claim 1, wherein: The ultrasonic welding assembly includes a mounting seat (7) connected to the drive end of the drive cylinder (5), an ultrasonic transducer (8) is detachably connected to the mounting seat (7), and a welding head (9) is connected to the drive end of the ultrasonic transducer (8). The mounting seat (7) is also provided with a blowing assembly, and the air outlet of the blowing assembly faces the end of the welding head (9).

3. The ultrasonic welding device of claim 2, wherein: The blowing assembly includes two blowing pipes (10) symmetrically arranged on both sides of the welding head (9), the upper ends of the two blowing pipes (10) are detachably inserted into the mounting seat (7), and the gas outlet ends of the two blowing pipes (10) both face the position where the welding head (9) is located.

4. The ultrasonic welding device of claim 2, wherein: The lower end of the fixed plate (4) is connected with a vertically extending guide slide rod (11), the mounting seat (7) is provided with a mounting hole communicating up and down, the guide slide sleeve (12) is fitted in the mounting hole, and the guide slide sleeve (12) is slidably sleeved on the outside of the guide slide rod (11). The lower end of the guide slide rod (11) is connected with a limiting assembly for limiting the downward movement of the mounting seat (7) to a limit position.

5. The ultrasonic welding device of claim 2, wherein: The drive cylinder (5) is one of a gas cylinder, a hydraulic cylinder or an electric push cylinder.

6. The ultrasonic welding device of any one of claims 1 to 5, wherein: The connecting shaft (2) is connected with a connecting block (13) at one end away from the fixed base (1), a first connecting hole (14) is formed in the side wall of the connecting block (13), the joint base (3) comprises a first connecting plate (15) and a second connecting plate (16) perpendicular to each other, the first connecting plate (15) is connected in the first connecting hole (14) through a first bolt (17), at least two first arc-shaped through holes (18) are formed in the first connecting plate (15) and are distributed in the periphery of the first bolt (17) in the circumferential direction, at least two groups of second connecting holes (19) corresponding to the first arc-shaped through holes (18) are formed in the connecting block (13), each group of the second connecting holes (19) comprises at least two second connecting holes (19), a second bolt (20) is arranged in each first arc-shaped through hole (18) and is used for connecting to the corresponding second connecting hole (19), at least two second arc-shaped through holes (21) are formed in the second connecting plate (16) and are distributed in the circumferential direction, at least two groups of third connecting holes (22) corresponding to the second arc-shaped through holes (21) are formed in the fixed plate (4), and a third bolt (23) is arranged in each second arc-shaped through hole (21) and is used for connecting to the corresponding third connecting hole (22).

7. The ultrasonic welding device of claim 6, wherein: The middle part of one end of the second connecting plate (16) away from the first connecting plate (15) is recessed and provided with a positioning insertion hole (24), the fixed plate (4) is provided with a positioning insertion column (25) which is outwardly convex, the positioning insertion column (25) is inserted and matched in the positioning insertion hole (24), and the positioning insertion hole (24) and the positioning insertion column (25) can rotate relative to each other.

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