CN217648958U

CN217648958U - Ultrasonic welding machine

Info

Publication number: CN217648958U
Application number: CN202221236407.0U
Authority: CN
Inventors: 周雷
Original assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Current assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-10-25
Anticipated expiration: 2032-05-23

Abstract

The utility model relates to the technical field of welding devices, in particular to an ultrasonic welding machine, which comprises a base; the lifting mechanism is arranged on the base; the welding mechanism is fixedly arranged above the lifting mechanism, and the lifting mechanism drives the welding mechanism to lift; and the pressure measuring mechanism is arranged on the welding mechanism to measure the welding pressure. The utility model discloses an ultrasonic welding machine, height that can automatically regulated welding mechanism, real-time detection welding pressure and depth of weld just have advantages such as simple structure, convenient operation, reliable and stable, precision height and effectual.

Description

Ultrasonic welding machine

Technical Field

The utility model relates to a welding set technical field especially relates to an ultrasonic welding machine.

Background

Ultrasonic welding is widely used as one of the common welding methods in the field of plastic welding. However, most of the existing ultrasonic welding devices still adopt a manual height adjustment mode in the welding debugging stage, and the height of the welding mechanism cannot be accurately and easily adjusted. In addition, relevant welding parameters such as welding pressure, welding depth and the like cannot be monitored in real time during welding, so that the relevant welding parameters cannot be quantitatively adjusted by equipment, and the welding stability cannot be ensured because the parameters such as the welding depth and the like can only be measured after the welding is finished and cannot be monitored in real time during welding.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the technical problems that in the prior art, manual adjustment is carried out on existing ultrasonic welding equipment, and welding parameters cannot be monitored in real time are solved. The utility model provides an ultrasonic welding machine, height that can automatically regulated welding mechanism, real-time detection welding pressure, depth of welding, and simple structure, convenient operation, reliable and stable, precision height, effectual. The utility model provides a technical scheme that its technical problem adopted is: an ultrasonic welding machine comprising:

a base;

the lifting mechanism is arranged on the base;

the welding mechanism is fixedly arranged above the lifting mechanism, and the lifting mechanism drives the welding mechanism to lift;

a pressure measurement mechanism disposed on the welding mechanism to measure the welding pressure.

Further, the lifting mechanism includes:

the driving motor is fixedly arranged on the base;

the screw rod lifter is connected with the driving motor;

the at least two guide columns are arranged oppositely, and each guide column is vertically arranged on the base;

the lifting flat plate is movably arranged on the guide post, and the bottom surface of the lifting flat plate is fixedly connected with the output shaft of the screw rod lifter.

Further, the welding mechanism includes:

a support structure disposed on the lift plate;

the cylinder body of the cylinder is fixedly arranged on the supporting structure;

the energy converter is positioned below the air cylinder, an output shaft of the air cylinder is fixedly connected with the energy converter, and an output end of the energy converter is connected with the welding head.

Further, the pressure measurement mechanism is disposed between the cylinder and the transducer, the pressure measurement mechanism comprising:

the connecting device, the connecting device sets firmly in the output of cylinder includes:

the energy converter comprises a connecting plate and a U-shaped connecting block, wherein the connecting plate is fixedly connected with one end of the U-shaped connecting block, and the other end of the U-shaped connecting block is fixedly connected with the energy converter;

the pressure sensor is positioned in the U-shaped connecting block, the pressure sensor is arranged at the other end of the U-shaped connecting block, and the top of the pressure sensor and the connecting plate are arranged in a clearance mode.

Further, the support structure comprises:

the supporting seat is arranged on the lifting flat plate and is arranged on one side of the transducer;

the vertical supporting plate is arranged between the supporting seat and the transducer and fixedly connected with the supporting seat;

the horizontal supporting plate is fixedly arranged at the upper end of the vertical supporting plate, and the cylinder body is fixedly arranged on the horizontal supporting plate.

Furthermore, one side of the vertical support plate, which is close to the transducer, is provided with a sliding groove, a sliding rail is arranged in the sliding groove, the sliding rail is fixedly connected with the transducer, and the upper end of the sliding rail penetrates through the transverse support plate and extends upwards.

Further, the ultrasonic welding machine further comprises:

a displacement measuring mechanism, the displacement measuring mechanism comprising:

the displacement sensor is arranged on one side of the vertical support plate;

and the measuring block is fixedly arranged at the upper end of the sliding rail, and the lower end face of the measuring block is fixedly connected with the measuring thimble of the displacement sensor.

Further, ultrasonic bonding machine, the supporting seat includes:

the base is arranged on the lifting flat plate, and a shaft hole is formed in the base;

the movable base is provided with a rotating shaft, the rotating shaft is inserted into the shaft hole of the base and can rotate in the shaft hole, and the movable base is fixedly connected with the vertical supporting plate.

Further, in order to facilitate rotation, an auxiliary rotating piece is arranged at one end, far away from the vertical supporting plate, of the moving seat.

Furthermore, the sliding groove is also provided with a guide block, and the guide rail is arranged in the guide block.

The utility model has the advantages that the ultrasonic welding machine of the utility model is connected with the screw rod lifter through the driving motor, and can realize the lifting of the electric control supporting flat plate; the pressure measuring mechanism can be used for measuring and controlling the welding prepressing force, and meanwhile, the welding pressure change condition in the welding process can be monitored in real time, so that the stability of the welding pressure is ensured. The displacement measurement mechanism can measure the moving distance of the transducer during welding, the welding depth can be calculated through the displacement change conditions before and after welding, meanwhile, the welding depth of each product can be monitored in real time during welding, and the welding stability is ensured. Therefore, the utility model has the advantages of simple structure, convenient operation, reliable and stable, precision height, effectual.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural view of the ultrasonic welding machine of the present invention;

fig. 2 is a partial schematic view of the structure of the ultrasonic welding machine of the present invention.

In the figure:

10. a base; 20. a lifting mechanism; 21. a drive motor; 22. a screw rod lifter; 23. a guide post; 24. lifting the flat plate; 30. a welding mechanism; 31. a support structure; 311. a supporting base; 316. a base; 317. a movable seat; 318. a rotating shaft; 319. a rotation-assisting member; 312. a vertical support plate; 314. a slide rail; 315. a guide block; 313. a transverse support plate; 32. a cylinder; 33. a transducer; 34. a welding head; 40. a pressure measuring mechanism; 411. a connecting plate; 412. a U-shaped connecting block; 42. a pressure sensor; 50. a displacement measuring mechanism; 51. a displacement sensor; 511. measuring a thimble; 52. and (6) measuring blocks.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and 2, which are preferred embodiments of the present invention, an ultrasonic welding machine includes: the welding device comprises a base 10, a lifting mechanism 20, a welding mechanism 30 and a pressure measuring mechanism 40, wherein the welding mechanism 30 is fixedly arranged above the lifting mechanism 20, the lifting mechanism 20 drives the welding mechanism 30 to lift, and the pressure measuring mechanism 40 is arranged on the welding mechanism 30 to measure welding pressure.

The lifting mechanism 20 is used for lifting the whole welding mechanism 30, and comprises: driving motor 21, lead screw lift 22, two at least guide pillars 23, lift flat board 24, driving motor 21 sets firmly on base 10, and lead screw lift 22 links to each other with driving motor 21, and two at least guide pillars 23 set up relatively, and every guide pillar 23 is equal vertical arranges on base 10, and lift flat board 24 mobilizable sets up on guide pillar 23, lift flat board 24's bottom surface and lead screw lift 22's output shaft fixed connection. Driving motor 21 and screw rod elevator 22 link to each other for electric control supports dull and stereotyped lift, compares in manual debugging height, and it is higher to use the electrical control precision, and it is more convenient to use, and when starting driving motor 21, screw rod elevator 22 can drive the dull and stereotyped 24 of lift and the dull and stereotyped 24 of lift on welding mechanism 30 reciprocates along the direction of guide post the utility model discloses in adopt 4 guide posts, the guarantee supports dull and stereotyped perpendicular reciprocating of support to 4 guide posts 23 can avoid the whole focus skew of welded structure and the problem that the welding direction that leads to is not parallel with guide post 23 direction.

The welding mechanism 30 includes: the device comprises a supporting structure 31, an air cylinder 32 and a transducer 33, wherein the supporting structure 31 is arranged on the lifting flat plate 24 and used for fixing the air cylinder 32 and the transducer 33, the cylinder body of the air cylinder 32 is fixedly arranged on the supporting structure 31, the transducer 33 is positioned below the air cylinder 32, the output shaft of the air cylinder 32 is fixedly connected with the transducer 33, the output end of the transducer 33 is connected with a welding head 34, the air cylinder 32 pushes the transducer 33 to move up and down and gives a welding pressure, and the transducer 33 is used for converting electric energy emitted by an ultrasonic generator into mechanical energy.

The pressure measuring mechanism 40 is provided between the cylinder 32 and the transducer 33, and the pressure measuring mechanism 40 includes: a connecting device and a pressure sensor 42, the connecting device is fixedly arranged at the output end of the air cylinder 32 and comprises: the welding device comprises a connecting plate 411 and a U-shaped connecting block 412, one end of the connecting plate 411 is fixedly connected with one end of the U-shaped connecting block 412, the other end of the U-shaped connecting block 412 is fixedly connected with a transducer 33, a pressure sensor 42 is located in the U-shaped connecting block 412, the pressure sensor 42 is arranged at the other end of the U-shaped connecting block 412, the top of the pressure sensor 42 is arranged in a gap with the connecting plate 411, the gap between the top of the pressure sensor 42 and the connecting plate 411 is 1mm, when an output shaft of an air cylinder 32 moves downwards to drive the connecting plate 411 to move downwards to contact with the pressure sensor 42, welding pre-pressure can be generated, and the pre-welding pressure can be adjusted by adjusting the lifting of a lead screw lifter 22.

In whole welding process, pressure sensor 42 can all receive the pressure value of different time quantum (before the welding, during welding, after the welding), and the welding is accomplished the back, and the output shaft of cylinder 32 bottom rises again, and connecting plate 411 separates with pressure sensor 42, and welding pressure shows to be 0 this moment, accords with the pressure condition of welding reality, through the real-time supervision to whole welding process pressure value change to guarantee welding process's stability.

The support structure 31 includes: supporting seat 311, vertical support plate 312 and horizontal support plate 313, supporting seat 311 sets up on lift flat board 24, and supporting seat 311 sets up in one side of transducer 33, and vertical support plate 312 sets up between supporting seat 311 and transducer 33, vertical support plate 312 and supporting seat 311 fixed connection, and horizontal support plate 313 sets firmly in the upper end of vertical support plate 312, and the cylinder 32 cylinder body is fixed to be set up on horizontal support plate 313.

One side of the vertical support plate 312 close to the transducer 33 is provided with a sliding groove, a sliding rail 314 is arranged in the sliding groove, the sliding rail 314 is fixedly connected with the transducer 33, and the upper end of the sliding rail 314 penetrates through the transverse support plate 313 and extends upwards.

The utility model discloses an ultrasonic welding machine still includes: displacement measuring mechanism 50, displacement measuring mechanism 50 includes:

the device comprises a displacement sensor 51 and a measuring block 52, wherein the displacement sensor 51 is arranged on one side of a vertical supporting plate 312, the measuring block 52 is fixedly arranged at the upper end of a sliding rail 314, the lower end face of the measuring block 52 is fixedly connected with a measuring thimble 511 of the displacement sensor 51, the sliding rail 314 is fixedly connected with an energy ring device, when the air cylinder 32 drives the energy ring device to move up and down, the energy ring device drives the sliding rail 314 to move up and down, the measuring block 52 on the sliding rail 314 can also move along with the energy ring device, the measuring block 52 is in contact with the thimble of the displacement sensor 51, the measurement of welding displacement can be realized, and the welding depth can be calculated by comparing displacement change values before and after the transducer 33 works. The stability of the welding process is guaranteed by monitoring the displacement value change of the whole welding process in real time.

The support seat 311 includes: the lifting platform comprises a base 316 and a moving seat 317, wherein the base 316 is arranged on the lifting platform 24, a shaft hole is formed in the base 316, a rotating shaft 318 is arranged on the moving seat 317, the rotating shaft 318 is inserted into the shaft hole of the base 316, the rotating shaft 318 can rotate in the shaft hole, and the moving seat 317 is fixedly connected with the vertical supporting plate 312. The support seat 311 can adjust and fix the welding direction corresponding to the ring energy device.

To facilitate steering adjustment, a turning aid 319 is provided at an end of the movable base 317 remote from the vertical support plate 312.

In order to facilitate the sliding of the guide rail, a guide block 315 is further disposed on the sliding groove, and the guide rail is disposed in the guide block 315.

To sum up, the ultrasonic welding machine of this application has advantages such as simple structure, convenient operation, reliable and stable, precision height, effectual, has very big market value, is worth popularizing and applying.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined by the scope of the claims.

Claims

1. An ultrasonic welding machine, comprising:

a base (10);

the lifting mechanism (20), the said lifting mechanism (20) is set up on the base (10);

the welding mechanism (30) is fixedly arranged above the lifting mechanism (20), and the lifting mechanism (20) drives the welding mechanism (30) to lift;

a pressure measuring mechanism (40), the pressure measuring mechanism (40) being provided on the welding mechanism (30) to measure the welding pressure.

2. An ultrasonic welding machine according to claim 1, wherein the lifting mechanism (20) comprises:

the driving motor (21), the said driving motor (21) is fixed on the said base (10);

the screw rod lifter (22), the screw rod lifter (22) is connected with the driving motor (21);

at least two guide posts (23), at least two guide posts (23) are oppositely arranged, and each guide post (23) is vertically arranged on the base (10);

the lifting flat plate (24) is movably arranged on the guide post (23), and the bottom surface of the lifting flat plate (24) is fixedly connected with the output shaft of the screw rod lifter (22).

3. An ultrasonic welding machine according to claim 2, wherein the welding mechanism (30) comprises:

a support structure (31), said support structure (31) being arranged on said lifting plate (24);

a cylinder (32), the body of which cylinder (32) is fixedly arranged on the supporting structure (31);

the energy converter (33), the energy converter (33) is located the below of cylinder (32), the output shaft of cylinder (32) with energy converter (33) fixed connection, the output of energy converter (33) is connected with welding head (34).

4. The ultrasonic welding machine according to claim 3, characterized in that said pressure measuring means (40) are arranged between the cylinder (32) and the transducer (33), said pressure measuring means (40) comprising:

a connection device fixed at the output end of the cylinder (32), comprising:

the transducer comprises a connecting plate (411) and a U-shaped connecting block (412), wherein the connecting plate (411) is fixedly connected with one end of the U-shaped connecting block (412), and the other end of the U-shaped connecting block (412) is fixedly connected with the transducer (33);

the pressure sensor (42) is located in the U-shaped connecting block (412), the pressure sensor (42) is arranged at the other end of the U-shaped connecting block (412), and the top of the pressure sensor (42) and the connecting plate (411) are arranged in a clearance mode.

5. An ultrasonic welding machine as claimed in claim 3, characterized in that said supporting structure (31) comprises:

the supporting seat (311) is arranged on the lifting flat plate (24), and the supporting seat (311) is arranged on one side of the transducer (33);

the vertical support plate (312) is arranged between the support seat (311) and the transducer (33), and the vertical support plate (312) is fixedly connected with the support seat (311);

the transverse supporting plate (313) is fixedly arranged at the upper end of the vertical supporting plate (312), and the cylinder body of the air cylinder (32) is fixedly arranged on the transverse supporting plate (313).

6. The ultrasonic welding machine according to claim 5, characterized in that a sliding groove is arranged on one side of the vertical support plate (312) close to the transducer (33), a sliding rail (314) is arranged in the sliding groove, the sliding rail (314) is fixedly connected with the transducer (33), and the upper end of the sliding rail (314) penetrates through the transverse support plate (313) and extends upwards.

7. An ultrasonic welding machine according to claim 6 further comprising:

a displacement measuring mechanism (50), the displacement measuring mechanism (50) comprising:

a displacement sensor (51), the displacement sensor (51) being disposed on one side of the vertical support plate (312);

the measuring block (52) is fixedly arranged at the upper end of the sliding rail (314), and the lower end face of the measuring block (52) is fixedly connected with a measuring thimble (511) of the displacement sensor (51).

8. The ultrasonic welding machine of claim 5, characterized in that said support seat (311) comprises:

the base (316), the said base (316) is set up on the said lifting plate (24), there are shaft holes on the said base (316);

the movable base (317), be provided with pivot (318) on the movable base (317), pivot (318) peg graft in the shaft hole of base (316), pivot (318) can be in the shaft hole internal rotation, movable base (317) fixed connection vertical support plate (312).

9. An ultrasonic welding machine as defined in claim 8, characterized in that an end of said mobile seat (317) remote from said vertical support plate (312) is provided with a rotation aid (319).

10. An ultrasonic welding machine according to claim 6, wherein a guide block (315) is further arranged on the slide groove, and the slide rail (314) is arranged in the guide block (315).