CN210755813U

CN210755813U - Ultrasonic welding system

Info

Publication number: CN210755813U
Application number: CN201921862132.XU
Authority: CN
Inventors: 吴加富; 缪磊; 马伟; 冯小平; 杜高峰; 高延芳
Original assignee: Suzhou RS Technology Co Ltd
Current assignee: Suzhou RS Technology Co Ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-06-16
Anticipated expiration: 2029-10-31

Abstract

The utility model relates to an ultrasonic welding equipment technical field, concretely relates to ultrasonic welding system, aim at solving the problem that ultrasonic welding is inefficient, welding speed is low among the prior art, its technical essential lies in including conveyer belt, the duplex position carrier that moves along conveyer belt direction of delivery, the welding set and a control subsystem that are located on the conveyer belt, the control subsystem includes a plurality of groups of digital sensor, set up in on the conveyer belt, be used for carrying out real-time detection feedback to duplex position carrier position; the first positioning mechanism is arranged on the conveyor belt and used for jacking and positioning the double-station carrier; the second positioning mechanism is arranged on the conveyor belt and used for horizontally positioning the double-station carrier; and the control end is in communication connection with the digital sensor and controls the first positioning mechanism, the second positioning mechanism and the welding device to act. The utility model discloses can improve production efficiency greatly, reduce the cost of labor.

Description

Ultrasonic welding system

Technical Field

The utility model relates to an ultrasonic bonding equipment technical field, concretely relates to ultrasonic bonding system.

Background

The ultrasonic welding machine is a novel device which converts an ultrasonic signal into mechanical vibration by utilizing an ultrasonic high-frequency vibration friction principle, transmits the mechanical vibration to a workpiece to be welded through a transmission rotor and a welding head, breaks a molecular structure by utilizing heat energy generated by vibration and enables the surface of the workpiece to be fused and jointed.

The components of a typical ultrasonic welder include: the ultrasonic welding device comprises an ultrasonic generator, an ultrasonic controller and a mechanical transmission part, wherein the ultrasonic generator sends ultrasonic waves with the frequency of 20HZ, the ultrasonic waves are converted into positive waves through a converter, the amplitude of the positive waves is amplified through an amplifier and then acts on a welding head, then the action of the welding head is completed under the control of the controller, a workpiece is pressed tightly, and the welding wire of the welded workpiece is fully melted through vibrating the welding head.

The ultrasonic welding technology is widely applied to industry, generally, a workpiece to be welded is placed under a welding head of an ultrasonic welding machine for welding, but the mode has the problems of low efficiency and low welding speed, various modes for improving the efficiency and the speed of the ultrasonic welding exist in the prior art, a mechanical arm is used for grabbing the workpiece to the ultrasonic welding machine for welding, but the mode using the mechanical arm has higher cost; or utilize assembly line and robotic arm complex mode, snatch the work piece on the assembly line to ultrasonic welding machine welding completion back rethread robotic arm snatchs to the assembly line on through robotic arm, single robotic arm's mode has promoted welding rate and efficiency more like this, but robotic arm's price is high, still have the higher problem of manufacturing cost, and assembly line adds robotic arm's mode and needs to carry out accurate control to the input speed of assembly line conveyer belt, otherwise will lead to treating on the assembly line and weld the work piece and pile up, such mode is with high costs and not easy control.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming among the prior art defect that ultrasonic bonding is efficient, welding rate is low to an ultrasonic bonding system is provided.

The above technical purpose of the present invention can be achieved by the following technical solutions:

an ultrasonic welding system comprising a conveyor belt, a dual station carrier moving in a direction of conveyance of the conveyor belt, a welding device on the conveyor belt, and a control subsystem, the control subsystem comprising:

the digital sensors are arranged on the conveyor belt and used for detecting and feeding back the position of the double-station carrier in real time;

the first positioning mechanism is arranged on the conveyor belt and used for jacking and positioning the double-station carrier;

the second positioning mechanism is arranged on the conveyor belt and used for horizontally positioning the double-station carrier;

and the control end is in communication connection with the digital sensor and controls the first positioning mechanism, the second positioning mechanism and the welding device to act.

Optionally, the first positioning mechanism includes a positioning pin, the positioning pin is connected to a lifting plate, the lifting plate is connected to the same jacking cylinder, at least two groups of positioning holes matched with the positioning pin are arranged on two sides of the double-station carrier, and the distance between adjacent positioning holes is equal to the distance between adjacent positioning pins.

Optionally, a limiting plate arranged along the length direction of the conveying belt is arranged on the top surface of the conveying belt, and a groove for the double-station carrier to move along the conveying direction is formed between the limiting plate and the conveying belt.

Optionally, the second positioning mechanism including set up in duplex position carrier one side and be fixed in through the mounting bracket cylinder on the conveyer belt, the piston rod end of cylinder be equipped with the first butt piece that the duplex position carrier matches, and the duplex position carrier is relative the opposite side of cylinder is equipped with and is fixed in through the mounting bracket motor on the conveyer belt, the output shaft end of motor is equipped with the gear, gear engagement is connected with the rack, the rack through the locating part be connected with the second butt piece that the duplex position carrier matches.

Optionally, the limiting member includes a guide block fixedly connected to the conveying belt, and the guide block is connected to a limiting block, two sides of which are respectively fixedly connected to the second abutting member and the rack.

Optionally, a tension spring is arranged between the second abutting piece and the conveying belt.

Optionally, a fan is arranged on the welding device, the fan is connected with a cooling cavity through an air pipe, a diversion trench is arranged at the bottom of the cooling cavity, the inner diameter of the diversion trench is larger than the outer diameter of the cooling cavity, and the diversion trench is communicated with a recovery trench;

the cooling cavity is symmetrically arranged on the periphery of a welding head of the welding device, air outlet holes are formed in the side wall, facing the welding head of the welding device, of the cooling cavity, and the air outlet holes are evenly distributed along the length direction of the cooling cavity.

Optionally, the guiding gutter is connected with the setting and is in suspension piece on the conveyer belt, the suspension piece is provided with at least one, and its bottom is provided with and is used for adjusting with the spacing bolt cooperation the spacing groove of cooling cavity position.

Optionally, the control end includes at least one personal computer and at least one programmable logic controller that stores data by using a stack algorithm, the programmable logic controller controls the first positioning mechanism, the second positioning mechanism and the welding device to operate simultaneously, and the personal computer and the programmable logic controller perform data synchronization.

Optionally, the programmable logic controller stores normal operating parameters and/or operating life information of each component in the ultrasonic welding system, and determines whether the component needs to be replaced or maintained according to the normal operating parameters and/or the operating life information of each component, and if so, performs local and/or remote warning.

The utility model discloses technical scheme has following advantage:

1. the utility model discloses an ultrasonic welding system carries out position detection to the duplex position carrier by digital sensor in real time to with its data feedback to control end, thereby when welding set was carried to the duplex position carrier under, the first positioning mechanism of control end control, second positioning mechanism action realize fixing a position, with this with angle adjustment welding station back welding, can improve production efficiency greatly, reduce the cost of labor.

2. The utility model discloses an ultrasonic welding system welds when the first station of duplex position carrier is located welding set's bonding tool below, and at this moment, the jacking cylinder motion of bottom inserts the locating pin in the locating hole through lifting the board, accomplishes the location of carrier, makes its two preceding locating position play a role, then continues to make duplex position carrier along the conveyer belt motion after the welding is accomplished, and on the same way, secondary jacking location and welding when the second station of duplex position carrier is located welding set's bonding tool below.

3. The utility model discloses an ultrasonic welding system, conveyer belt top surface are equipped with the limiting plate that sets up along its length direction, form between limiting plate and the conveyer belt and supply the recess of duplex position carrier along the direction of delivery motion to with the cooperation of first positioning mechanism, with its ejecting conveyer belt, unable realization location effect when preventing first positioning mechanism lifting duplex position carrier.

4. The utility model discloses an ultrasonic welding system, when the duplex position carrier reachs the assigned position, drive actuating cylinder and motor work simultaneously, make first butt piece and duplex position carrier looks butt on the one hand, on the other hand makes second butt piece and duplex position carrier looks butt under gear and rack matched with propulsive effect to realize the horizontal location.

5. The utility model discloses an ultrasonic welding system utilizes the fan to ventilate to the cooling cavity, by the cooling cavity air supply for thereby the air flow dispels the heat with higher speed, and cooling effect is good, and after the comdenstion water appears on the cooling cavity surface simultaneously, the comdenstion water can drip to the guiding gutter, then along guiding gutter to the accumulator storage.

6. The utility model discloses an ultrasonic welding system, the storage has the normal working parameter and/or the working life information of each part among the ultrasonic welding system in programmable logic controller's the database, can judge whether it needs to be changed or the maintenance according to the normal working parameter and/or the working life information of each part, if, then control alarm unit and carry out local warning, realized the function of prejudging to each part operating condition, remind the staff in advance to change or the maintenance, prevent that the trouble from taking place, improve work efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an ultrasonic welding system according to an embodiment of the present invention;

FIG. 2 is a top view of a portion of an ultrasonic welding system according to an embodiment of the present invention;

FIG. 3 is a bottom view of a portion of an ultrasonic welding system according to an embodiment of the present invention;

FIG. 4 is a schematic view of another structure of an ultrasonic welding system according to an embodiment of the present invention;

fig. 5 is a schematic diagram of module connection of an ultrasonic welding system according to an embodiment of the present invention.

Description of reference numerals:

1. a conveyor belt; 11. a double-station carrier; 12. a welding device; 2. a digital sensor; 3. a first positioning mechanism; 31. positioning pins; 32. lifting the plate; 33. jacking a cylinder; 34. positioning holes; 35. a limiting plate; 36. a groove; 4. a second positioning mechanism; 41. a cylinder; 42. a first abutting member; 43. a motor; 44. a gear; 45. a rack; 46. a second abutting member; 47. a limiting member; 471. a guide block; 472. a limiting block; 48. an extension spring; 5. a control end; 51. a personal computer; 52. a programmable logic controller; 521. a logic control unit; 522. a database; 523. an alarm unit; 6. a fan; 61. an air tube; 62. cooling the cavity; 63. a diversion trench; 64. a recovery tank; 65. an air outlet; 66. hanging the sheet; 67. a limiting groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

An ultrasonic welding system, as shown in fig. 1 and 5, includes a conveyor belt 1, a two-station carrier 11 moving along the conveying direction of the conveyor belt 1, a welding device 12 on the conveyor belt 1, and a control subsystem, wherein the control subsystem includes: the digital sensors 2 are arranged on the conveyor belt 1 and used for detecting and feeding back the position of the double-station carrier 11 in real time; the first positioning mechanism 3 is arranged on the conveying belt 1 and used for jacking and positioning the double-station carrier 11; the second positioning mechanism 4 is arranged on the conveying belt 1 and used for horizontally positioning the double-station carrier 11; and the control end 5 is in communication connection with the digital sensor 2 and controls the first positioning mechanism 3, the second positioning mechanism 4 and the welding device 12 to act. Therefore, the position of the double-station carrier 11 is detected in real time by the digital sensor 2, and data of the double-station carrier 11 is fed back to the control end 5, so that when the double-station carrier 11 is conveyed to a position right below the welding device 12, the control end 5 controls the first positioning mechanism 3 and the second positioning mechanism 4 to move to realize positioning, and accordingly, the angle is adjusted to a welding station for welding, the production efficiency can be greatly improved, and the labor cost is reduced.

As shown in fig. 2 and 3, the first positioning mechanism 3 includes a positioning pin 31, the positioning pin 31 is connected to a lifting plate 32, the lifting plate 32 is connected to the same lifting cylinder 33, at least two sets of positioning holes 34 matched with the positioning pin 31 are disposed on two sides of the double-station carrier 11, and a distance between adjacent positioning holes 34 is equal to a distance between adjacent positioning pins 31. The utility model discloses in this embodiment, the carrier is duplex position carrier 11, and welding head of welding set 12 is one, it welds to the work piece of two stations to need it, so set up locating hole 34 into three groups, can further improve positioning accuracy, carry out twice jacking location with this, therefore, weld when the first station of duplex position carrier 11 is located welding head below of welding set 12, at this moment, the jacking cylinder 33 motion of bottom, insert locating pin 31 in locating hole 34 through lifting board 32, accomplish the location of carrier, make its two preceding locating position play a role, then continue to make duplex position carrier 11 move along conveyer belt 1 after the welding is accomplished, and in the same way, secondary jacking location and welding when the second station of duplex position carrier 11 is located welding head below of welding set 12.

As shown in fig. 3, the top surface of the conveyor belt 1 is provided with a limiting plate 35 arranged along the length direction thereof, and a groove 36 for allowing the double-station carrier 11 to move along the conveying direction is formed between the limiting plate 35 and the conveyor belt 1, so as to be matched with the first positioning mechanism 3, prevent the first positioning mechanism 3 from ejecting the double-station carrier 11 out of the conveyor belt 1 when lifting the double-station carrier 11, and prevent the positioning effect from being realized.

As shown in fig. 3, the distance between the adjacent positioning pins 31 is equal to the distance between the adjacent positioning holes 34, so that the positioning pins 31 can be inserted into the positioning holes 34 without fail by the lifting plate 32 when the lifting cylinder 33 moves.

As shown in fig. 2, the second positioning mechanism 4 includes a cylinder 41 disposed on one side of the dual-station carrier 11 and fixed on the conveyor belt 1 through a mounting bracket, a first abutting member 42 matched with the dual-station carrier 11 is disposed at a piston rod end of the cylinder 41, a motor 43 fixed on the conveyor belt 1 through the mounting bracket is disposed on the other side of the dual-station carrier 11 opposite to the cylinder 41, a gear 44 is disposed at an output shaft end of the motor 43, a rack 45 is engaged and connected to the gear 44, and the rack 45 is connected to a second abutting member 46 matched with the dual-station carrier 11 through a limiting member 47. Therefore, when the double-station carrier 11 reaches the designated position, the air cylinder 41 and the motor 43 are driven to work at the same time, so that the first abutting piece 42 abuts against the double-station carrier 11 on one hand, and the second abutting piece 46 abuts against the double-station carrier 11 under the propelling action of the gear 44 and the rack 45, and therefore horizontal positioning is achieved.

As shown in fig. 2, the limiting member 47 includes a guide block 471 fixedly connected to the conveyor belt 1, and the guide block 471 is connected to a limiting member 472 whose two sides are respectively fixedly connected to the second abutting member 46 and the rack 45, so that the limiting member 472 is displaced along the length direction of the guide block 471, thereby ensuring that the moving track of the second abutting member 46 is accurate and reliable without error.

As shown in fig. 2, a tension spring 48 is mounted between the second abutment member 46 and the conveyor belt 1. Since the advancing structure of the gear 44 and the rack 45 inevitably involves a strong deviation, error compensation can be effectively performed by providing the tension spring 48 between the second abutment 46 and the conveyor belt 1.

As shown in fig. 4, the welding device 12 is provided with the fan 6, the fan 6 is connected with the cooling cavity 62 through the air pipe 61, the bottom of the cooling cavity 62 is provided with the diversion trench 63, the inner diameter of the diversion trench 63 is larger than the outer diameter of the cooling cavity 62, and the diversion trench 63 is communicated with the recovery groove 64, so that the fan 6 is used for ventilating the cooling cavity 62, air is supplied by the cooling cavity 62, air flowing is accelerated to dissipate heat, the cooling effect is good, meanwhile, after condensed water appears on the surface of the cooling cavity 62, the condensed water can drip to the diversion trench 63, and then the condensed water is stored in the recovery groove 64 along the diversion trench. In addition, the cooling cavity 62 is symmetrically arranged on the periphery of the welding head of the welding device 12, the side wall of the cooling cavity 62 facing the welding head of the welding device 12 is provided with air outlets 65, and the air outlets 65 are uniformly arranged along the length direction of the cooling cavity 62. This structure makes the heat dissipation more, more does benefit to the circulation of air, and reinforcing radiating effect, when ultrasonic welding machine during operation promptly, opens the switch of fan 6, and the air gets into cooling cavity 62 through trachea 61, blows off through venthole 65 on the cooling cavity 62 lateral wall for the circulation of air realizes the cooling to the welding head around the welding head.

As shown in fig. 4, the guiding gutter 63 is connected with a suspension plate 66 disposed on the conveying belt 1, so that the suspension plate 66 is perpendicular to the plane of the cooling cavity 62, and the guiding gutter 63 is convenient to detach, and can be cleaned conveniently after the guiding gutter 63 collects the condensed water. In this embodiment, the suspension plate 66 is provided with at least one, and the bottom end thereof is provided with a limiting groove 67 for adjusting the position of the cooling cavity 62 in cooperation with a limiting bolt, so that the position of the cooling cavity 62 is adjusted according to different specifications of the welding head, the cooling and heat dissipation effects are further improved, and the mounting and dismounting are convenient.

As shown in fig. 5, the control terminal 5 includes at least one personal computer 51 and at least one programmable logic controller 52 for storing data by using a stack algorithm, the programmable logic controller 52 controls the first positioning mechanism 3, the second positioning mechanism 4 and the welding device 12 to operate simultaneously, and the personal computer 51 and the programmable logic controller 52 perform data synchronization. The programmable logic controller 52 is provided with a database 522, the personal computer 51 is provided with a visual operation interface, the personal computer 51 is in communication connection with the programmable logic controller 52, so that an operator can control the programmable logic controller 52 through the personal computer 51, and simultaneously, data synchronization between the personal computer 51 and the programmable logic controller 52 is realized, however, in the embodiment, the database 522 of the programmable logic controller 52 has a small data storage amount, so that a stack algorithm is adopted to temporarily store data, the personal computer 51 adopts a hard disk for storage, the data storage amount is large, the programmable logic controller 52 receives new preset information and then synchronizes to the personal computer 51 for storage, so as to prevent data loss, and simultaneously, the data is repeatedly covered by the personal computer 51, namely, if new data comes, the recent data is covered and replaced by old data, to achieve an iteration of the data.

As shown in fig. 5, the programmable logic controller 52 further includes a logic control unit 521 and an alarm unit 523, wherein the database 522 and the alarm unit 523 are both connected to the logic control unit 521, so that each digital sensor 2 feeds back the detected real-time position data of the dual-station carrier 11 to the programmable logic controller 52, and the logic control unit 521 selects corresponding index data from the database 522 according to the feedback information of each digital sensor 2 and sends the index data to the logic control unit 521 for comparison and judgment, and controls the actions of each first positioning mechanism 3, the second positioning mechanism 4 and the welding device 12 according to the judgment result.

As shown in fig. 5, the database 522 of the programmable logic controller 52 stores the normal operating parameters and/or the operating life information of each component in the ultrasonic welding system, and can determine whether the component needs to be replaced or maintained according to the normal operating parameters and/or the operating life information of each component, if so, the alarm unit 523 is controlled to perform local warning, so that the function of prejudging the operating state of each component is realized, a worker is reminded to replace or maintain in advance, a fault is prevented, and the working efficiency is improved.

The working principle of the ultrasonic welding system is as follows: firstly, the position of the double-station carrier 11 is detected by the digital sensor 2 in real time, and the data of the double-station carrier is fed back to the control end 5, so that when the double-station carrier 11 is conveyed to the position right below the welding device 12, the control end 5 controls the first positioning mechanism 3 and the second positioning mechanism 4 to move to realize positioning, and the angle is adjusted to the welding station to perform welding.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. An ultrasonic welding system comprising a conveyor belt (1), a two-station carrier (11) moving in the conveying direction of the conveyor belt (1), a welding device (12) on the conveyor belt (1), and a control subsystem, characterized in that the control subsystem comprises:

the digital sensors (2) are arranged on the conveying belt (1) and are used for detecting and feeding back the position of the double-station carrier (11) in real time;

the first positioning mechanism (3) is arranged on the conveying belt (1) and used for jacking and positioning the double-station carrier (11);

the second positioning mechanism (4) is arranged on the conveying belt (1) and used for horizontally positioning the double-station carrier (11);

and the control end (5) is in communication connection with the digital sensor (2) and controls the first positioning mechanism (3), the second positioning mechanism (4) and the welding device (12) to act.

2. An ultrasonic welding system according to claim 1, characterized in that said first positioning mechanism (3) comprises a positioning pin (31), said positioning pin (31) is connected with a lifting plate (32), said lifting plate (32) is connected to the same lifting cylinder (33), and at least two sets of positioning holes (34) matching with said positioning pin (31) are arranged on both sides of said double-station carrier (11), and the distance between adjacent positioning holes (34) is equal to the distance between adjacent positioning pins (31).

3. An ultrasonic welding system according to claim 2, characterized in that the top surface of the conveyor belt (1) is provided with a limiting plate (35) along its length, and a groove (36) for the movement of the double-station carrier (11) along the conveying direction is formed between the limiting plate (35) and the conveyor belt (1).

4. The ultrasonic welding system of claim 1, wherein the second positioning mechanism (4) comprises a cylinder (41) which is arranged on one side of the double-station carrier (11) and fixed on the conveyor belt (1) through a mounting bracket, a first abutting piece (42) matched with the double-station carrier (11) is arranged at the end of a piston rod of the cylinder (41), a motor (43) which is fixed on the conveyor belt (1) through the mounting bracket is arranged on the other side of the double-station carrier (11) opposite to the cylinder (41), a gear (44) is arranged at the end of an output shaft of the motor (43), a rack (45) is connected to the gear (44) in a meshing manner, and the rack (45) is connected with a second abutting piece (46) matched with the double-station carrier (11) through a limiting piece (47).

5. An ultrasonic welding system according to claim 4, characterized in that said limiting member (47) comprises a guide block (471) fixedly connected with said conveyor belt (1), said guide block (471) being connected with a limiting member (472) fixedly connected at both sides with said second abutment member (46) and said rack (45), respectively.

6. An ultrasonic welding system according to claim 5, characterized in that a tension spring (48) is provided between the second abutment member (46) and the conveyor belt (1).

7. The ultrasonic welding system of claim 1, wherein a fan (6) is disposed on the welding device (12), the fan (6) is connected to a cooling cavity (62) through an air pipe (61), a guiding groove (63) is disposed at the bottom of the cooling cavity (62), the inner diameter of the guiding groove (63) is larger than the outer diameter of the cooling cavity (62), and a recovery groove (64) is communicated with the guiding groove (63);

the cooling cavity (62) is symmetrically arranged on the periphery of a welding head of the welding device (12), air outlet holes (65) are formed in the side wall, facing the welding head of the welding device (12), of the cooling cavity (62), and the air outlet holes (65) are evenly distributed along the length direction of the cooling cavity (62).

8. An ultrasonic welding system according to claim 7, characterized in that said guiding grooves (63) are connected with suspension plates (66) arranged on said conveyor belt (1), said suspension plates (66) being provided with at least one limiting groove (67) at the bottom end thereof for adjusting the position of said cooling cavity (62) in cooperation with a limiting bolt.

9. The ultrasonic welding system of claim 1, wherein the control terminal (5) comprises at least one personal computer (51) and at least one programmable logic controller (52) for storing data by using a stack algorithm, the programmable logic controller (52) controls the first positioning mechanism (3), the second positioning mechanism (4) and the welding device (12) to operate simultaneously, and the personal computer (51) and the programmable logic controller (52) perform data synchronization.

10. The ultrasonic welding system of claim 9, wherein the programmable logic controller (52) stores normal operating parameters and/or operational life information for components of the ultrasonic welding system, and determines whether components require replacement or repair based on the normal operating parameters and/or operational life information for the components, and if so, alerts are provided locally and/or remotely.