CN112140563A

CN112140563A - Ultrasonic welding equipment

Info

Publication number: CN112140563A
Application number: CN202011033160.8A
Authority: CN
Inventors: 梅翔
Original assignee: Zhuoyan Precision Industry Suzhou Co ltd
Current assignee: Zhuoyan Precision Industry Suzhou Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2020-12-29

Abstract

The invention relates to the technical field of welding equipment, and particularly discloses ultrasonic welding equipment which comprises a rack, wherein a turntable (11) is horizontally arranged in the rack, the center of the turntable (11) is sleeved on an output shaft of a divider (15), and the input end of the divider (15) is connected with a rotating shaft of a motor (16); an ultrasonic welding station, a body feeding station, a ligand feeding station and a discharging station are sequentially arranged around the rotary table (11) along the rotation direction of the rotary table (11), and a lug (12) for fixing the body is fixed on the rotary table (11) corresponding to the station working point. The whole course of the equipment is controlled by the set degree of the PLC control system, the plastic products and the ligands do not need to be manually placed by people, the welding of manual starting equipment is not needed, the period is stable, the efficiency is high, and the error is not easy to occur.

Description

Ultrasonic welding equipment

Technical Field

The invention relates to the technical field of welding equipment, and particularly discloses ultrasonic welding equipment.

Background

Automation technology is widely used in industry, agriculture, military, scientific research, transportation, commerce, medical treatment, services, and home. The automatic technology can not only liberate people from heavy physical labor, partial mental labor and severe and dangerous working environments, but also expand the functions of human organs, greatly improve the labor productivity and enhance the ability of human to know the world and transform the world.

In some machining processes, existing factories typically perform these processes separately, manually or semi-automatically, such as by ultrasonically welding a sheet to a Housing plastic product, and currently, a single welding device and fixture are used, and a manual process is used to secure the two products to the fixture, and the device is manually activated to weld the single product. The quality and the production efficiency of products cannot be guaranteed in such an operation mode, the labor and mechanical cost is high, the products are placed manually, the cycle time is unstable, the products are easily misplaced and missed, and the quality and the efficiency of ultrasonic welding are influenced.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides equipment capable of carrying out full-automatic discharging ultrasonic welding.

The invention adopts the following specific technical scheme: an ultrasonic welding device is characterized by comprising a rack, wherein a turntable is horizontally arranged in the rack, the center of the turntable is sleeved on an output shaft of a divider, and the input end of the divider is connected with a rotating shaft of a motor; an ultrasonic welding station, a body feeding station, a ligand feeding station and a discharging station are sequentially arranged around the rotary table along the rotary direction of the rotary table, and a lug for fixing the body is fixed on the rotary table at a position corresponding to the station working point; the welding station comprises an ultrasonic welding head vertically erected above a lug of the turntable and a welding cylinder for driving the welding head to longitudinally displace, the ultrasonic welding head and the welding cylinder are fixed in the rack, the welding station also comprises a prepressing cylinder fixed in the rack, and a piston rod of the prepressing cylinder is over against the lug on the turntable; the body feeding station comprises a large vibration disc arranged in the frame and a body feeding air cylinder arranged at a right angle with the linear feeder of the large vibration disc, and a piston rod of the body feeding air cylinder is perpendicular to the linear feeder of the large vibration disc and is arranged over the lug on the rotary disc; the ligand feeding station comprises a small vibrating disk arranged in the frame and a ligand feeding cylinder arranged at a right angle with the linear feeder of the small vibrating disk, and a piston rod of the ligand feeding cylinder is perpendicular to the linear feeder of the small vibrating disk and is arranged over the lug on the turntable; the discharging station comprises a discharging cylinder erected on the turntable, a piston rod of the discharging cylinder is arranged right above a lug on the turntable, and all cylinders, motors and welding heads are connected with a PLC control system arranged on the frame.

Through the technical scheme, the large vibration disc can automatically convey the plastic product body, the body is immediately pushed to a lug of a rotary disc station by a piston rod of a body feeding air cylinder after being conveyed to an outlet of a linear feeder to be fixed, then the rotary disc rotates to transfer the lug fixed with the plastic product body to a ligand feeding station, at the moment, the ligand is also conveyed by a small vibration disc just right at the ligand feeding station, then the small vibration disc is pushed to the upper part of the body fixed on the lug by the ligand feeding air cylinder, then the rotary disc continues to rotate, the lug bearing the body and the ligand is transferred to a welding station, at the moment, a piston rod of a pre-pressing air cylinder of the welding station extends downwards, the ligand is pressed on the body to enable the ligand to find the center and be attached to the body, then an ultrasonic welding head moves downwards under the driving of the welding air cylinder to weld the ligand and the body, and the ligand is welded on the body, after welding, the welding head is lifted, the rotary table continuously rotates to the discharging station, a piston rod of a discharging cylinder of the discharging station pushes out a finished product on the lug to push away the lug, so that the lug can rotate to the body feeding station to receive the plastic product body under the rotation of the rotary table, then the lug continuously rotates to the ligand feeding station, the welding station and the discharging station, and the continuous operation is realized in such a reciprocating manner. The whole degree control that can set for through PLC control system of this working process need not the manual plastic product and the ligand of placing of people, need not artifical starting equipment welding, and the cycle is stable, and is efficient, is difficult to make mistakes.

Furthermore, a fixed seat is fixed at a welding station in the rack, the ultrasonic welding head and the welding cylinder are fixed at the top of the fixed seat, and the pre-pressing cylinder is fixed at the lower part of the fixed seat. The fixing seat facilitates the installation and the arrangement of the welding head and the welding cylinder, and ensures the working stability of the welding head and the welding cylinder.

Furthermore, one side of the body feeding air cylinder close to the large vibration disc is also provided with a blocking air cylinder in parallel, and a piston rod of the blocking air cylinder is perpendicular to the linear feeder of the large vibration disc. The blocking cylinder is designed more optimally, the blocking cylinder can prevent the plastic product bodies on the linear feeder from being stacked in the conveying process, the welding process is guaranteed to be operated for one product every time, and the process is guaranteed to be carried out orderly.

Furthermore, a pressing cylinder is vertically arranged on one side, away from the small vibration disc, of the ligand feeding cylinder, and a piston rod of the pressing cylinder is arranged right opposite to the top of the lug on the rotary disc. The setting of air cylinder pushes down can be so that when the ligand is pushed the fixed plastic product body top in lug department, just compressed tightly by air cylinder's piston rod pushes down, and the ligand just has been matched with the plastic product body with automatic centering on this station, and the pre-compaction cylinder of welding station has then played the effect that a secondary pushed down at the back, guarantees that ligand and body match well.

Furthermore, ejection of compact station still includes the ejection of compact pipeline that sets up the edge that corresponds lug on the carousel at ejection of compact station, and ejection of compact slide is connected to ejection of compact pipeline below, and ejection of compact slide lower extreme extends outside the frame. The discharge pipeline is combined with the discharge slideway to facilitate the output of finished products.

Further, the frame includes frame and lower frame, separates through the plywood between frame and the lower frame, and ultrasonic welding station, body material loading station, ligand material loading station and ejection of compact station are all fixed on the plywood, and the PLC control system machine case is installed in the lower frame, and PLC control system control panel dress is in frame front side. After the frame of frame on the aluminium alloy was put up, can join in marriage transparent panel and encapsulate, conveniently see the behavior inside the equipment like this, square pipe lower frame plays the effect of firm whole equipment, can be used for placing parts that weight is big such as switch board.

The invention has the beneficial effects that: the novel full-automatic ultrasonic welding equipment is designed, the whole process of the equipment is controlled by the set degree of the PLC control system, plastic products and ligands do not need to be manually placed by people, the welding of manual starting equipment is not needed, the period is stable, the efficiency is high, and the error is not easy to occur.

Drawings

FIG. 1 is a schematic view of the overall construction of an ultrasonic welding apparatus of the present invention;

FIG. 2 is a schematic view of a partially exploded configuration of the ultrasonic welding apparatus of the present invention;

FIG. 3 is a schematic view of the four stations of the ultrasonic welding apparatus of the present invention;

FIG. 4 is another side schematic view of four stations of the ultrasonic welding apparatus of the present invention;

FIG. 5 is a top plan view of four stations of the ultrasonic welding apparatus of the present invention;

FIG. 6 is a rear view of four stations of the ultrasonic welding apparatus of the present invention.

In the figure, 1, an upper frame; 2. a lower frame; 3. a large vibrating pan; 4. a linear feeder; 5. a body feeding cylinder; 6. a small vibrating pan; 7. a ligand feeding cylinder; 8. an ultrasonic horn; 9. welding the cylinder; 10. a fixed seat; 11. a turntable; 12. a bump; 13. a retainer ring; 14. laminating the board; 15. a divider; 16. a motor; 17. a first bracket; 18. a second bracket; 19. a discharge pipeline; 20. a discharge chute; 21. a discharging cylinder; 22. a control panel; 23. a chassis; 24. and a pre-pressing cylinder.

Detailed Description

Examples

The following description will be made of the embodiments and processes of the present invention by taking the ultrasonic welding of the sheet and the Housing plastic product as an example. All entities below correspond to plastic products and ligands correspond to sheets, unless otherwise specified. Of course, the welding apparatus is not limited to welding such products.

As shown in fig. 1, the overall shape of the ultrasonic welding device of the present invention is a box structure, and the ultrasonic welding device includes an upper frame 1 and a lower frame 2, wherein the upper frame 1 is formed by a frame made of aluminum profiles and then a transparent panel is installed, and the lower frame 2 is a square tube lower frame 2 and is formed by enclosing and packaging square plates.

Referring to fig. 1 and 2, a layer plate 14 is disposed between an upper frame 1 and a lower frame 2 of the ultrasonic device to divide the upper and lower frames 2 into two regions, so that high-power components such as a case 23 of a PLC control system are disposed in the lower frame 2 to block noise. The transparent panel of the upper frame 1 is convenient for people to observe the proceeding process of the welding procedure in the equipment. The control panel 22 of the PLC control system is arranged on the front side of the upper frame 1, and people can conveniently control the panel.

As shown in fig. 3 to 6, a divider 15 and a motor 16 are fixed on a layer plate 14 in the rack, an input end of the divider 15 is connected with a rotating shaft of the motor 16, a turntable 11 is sleeved on an output shaft of the divider 15, the turntable 11 is horizontally arranged, and a center of the turntable 11 is sleeved on the output shaft of the divider 15; an ultrasonic welding station, a body feeding station, a ligand feeding station and a discharging station are sequentially arranged around the rotary table 11 along the rotation direction of the rotary table 11, and a convex block 12 for fixing the body is fixed on the rotary table 11 corresponding to the station working point.

Welding station includes the vertical ultrasonic bonding tool 8 of erectting above 11 lugs 12 of carousel, drive bonding tool longitudinal displacement's welding cylinder 9, ultrasonic bonding tool 8 and welding cylinder 9 are fixed in the frame, it is concrete, fixed fixing base 10 on the plywood 14 of 11 rear sides of carousel, ultrasonic bonding tool 8 and welding cylinder 9 are all installed at fixing base 10 top front sides, make the bonding tool just be located lug 12 top, welding station still includes a pre-compaction cylinder 24 of fixing on frame inner plate 14, pre-compaction cylinder 24 piston rod is just to lug 12 tops on carousel 11. The ultrasonic welding head 8 and the welding cylinder 9 are fixed on the top of the fixing seat 10, and the pre-pressing cylinder 24 is fixed on the lower portion of the fixing seat 10. The form of fixing base 10 is not limited, a fixing base 10 of preferred form is that two can dismantle fixed pi type mounts and assemble and form, the mount below is narrower, the mount broad of higher authority, the mount both sides of higher authority can dismantle fixedly with the both sides of mount below respectively, this can dismantle fixedly, the mount both sides set up rectangular shape hole of sliding of going up, set up a plurality of screw holes on the lower mount, penetrate screw hole and slide the hole through the screw and pin the mount with lower mount, the setting up of a plurality of screw holes and rectangular shape hole of sliding makes the mount can height-adjusting fix for the lower mount simultaneously, the dismantlement of mount top front side is fixed with the mount pad this moment, ultrasonic bonding tool 8 and welding cylinder 9 are all fixed on the mount pad, here can dismantle fixed also the fix with screw.

The body feeding station comprises a large vibration disc 3 arranged in the frame and a body feeding cylinder 5 arranged at a right angle with a linear feeder 4 matched with the large vibration disc 3, and a piston rod of the body feeding cylinder 5 and the linear feeder 4 of the large vibration disc 3 are arranged at a right angle and are arranged over a lug 12 on the rotary disc 11. Because the big vibration dish 3 is whole bigger, so big vibration dish 3 is not directly placed above plywood 14, but opens the window in the plywood 14 position that corresponds, sets up a support frame in lower frame 2 below the window, and big vibration dish 3 is installed on the support frame. The linear feeder 4 matched with the large vibration disc 3 is directly connected with a discharge hole of the large vibration disc 3, the tail end of the linear feeder 4 is just positioned at the edge of the rotary disc 11, and the materials are directly conveyed to the edge of the rotary disc 11 and then are pushed onto a convex block 12 on the rotary disc 11 by a piston rod of the body feeding cylinder 5. It should be noted that the end of the linear feeder 4 includes a receiving platform, which is located on the same horizontal plane as the delivery outlet of the linear feeder 4, and the piston rod of the body feeding cylinder 5 is disposed parallel to the horizontal plane.

The ligand feeding station comprises a small vibration disc 6 arranged in the frame and a ligand feeding cylinder 7 arranged at a right angle with the linear feeder 4 matched with the small vibration disc 6, and a piston rod of the ligand feeding cylinder 7 is arranged at a right angle with an outlet of the linear feeder 4 of the small vibration disc 6 and is arranged over a lug 12 on the rotary disc 11. The small vibrating disk 6 is used to transport the ligand, so the small vibrating disk 6 is small and can be mounted directly on a platform with the layer plate 14 sinking. The linear feeder 4 matched with the small vibrating disk 6 is directly connected with a discharge hole of the small vibrating disk 6, the tail end of the linear feeder 4 is just positioned at the edge of the rotary disk 11, and the materials are directly conveyed to the edge of the rotary disk 11 and then are pushed onto a lug 12 on the rotary disk 11 by a piston rod of the ligand feeding cylinder 7. It should be noted that a receiving table is included at the end of the linear feeder 4, the receiving table and the transfer chute of the linear feeder 4 are located on the same horizontal plane, and the piston rod of the ligand feeding cylinder 7 is disposed parallel to the horizontal plane.

The discharging station comprises a discharging cylinder 21 erected on the turntable 11, and a piston rod of the discharging cylinder 21 is arranged over the lug 12 on the turntable 11. In consideration of compactness of components in the equipment, an L-shaped support I17 is fixed on the rear side of a ligand feeding station, a short rod of the support I17 is fixed to be perpendicular to a layer plate 14, a long rod of the support I17 horizontally spans a rotary table 11 and is arranged above the rotary table 11, a discharging air cylinder 21 is fixed to the end portion of the long rod, and a piston rod of the discharging air cylinder 21 is arranged over a lug 12 above the rotary table 11.

The control of all the cylinders, the motor 16 and the welding head is controlled by a PLC control system arranged on the frame. In order to weld a plurality of products when the rotary table 11 rotates for one circle, a plurality of bumps 12 can be arranged at intervals on the edge of the rotary table 11, a distance sensor (not shown in the figure) is arranged on the fixed seat 10, and whether each bump 12 is rotated to a welding station or not is detected, so that whether welding is carried out or not is judged conveniently and timely.

In one example of the present invention, a blocking cylinder (not shown in the figure) is further disposed in parallel on the side of the body feeding cylinder 5 close to the large vibration plate 3, and a piston rod of the blocking cylinder horizontally extends out to be disposed at right angles to the linear feeder 4 of the large vibration plate 3. The blocking cylinder can block the plastic product bodies on the linear feeder 4 from being stacked, so that the welding process is orderly carried out.

In an example of the present invention, a down-pressure cylinder (not shown in the figure) is further vertically arranged on one side of the ligand feeding cylinder 7 away from the small vibration disk 6, and a piston rod of the down-pressure cylinder is arranged opposite to the top of the bump 12 on the rotating disk 11. The setting of air cylinder pushes down can be so that when the ligand is pushed the fixed plastics product body top in lug 12 department, just compressed tightly by air cylinder's piston rod pushes down, and the ligand just has been matched with the plastics product body by automatic centering on this station, and the pre-compaction cylinder 24 of welding station has then played the effect that a secondary pushed down at the back, guarantees that ligand and body match well.

In an example of the invention, the discharging station further comprises a discharging pipe 19 arranged on the side of the discharging station corresponding to the lug 12 on the turntable 11, a discharging slide way 20 is connected below the discharging pipe 19, and the lower end of the discharging slide way 20 extends out of the machine frame.

The working principle of the ultrasonic welding equipment related by the invention is as follows: the large vibration disc 3 can automatically convey the plastic product body, the body is immediately pushed to a lug 12 of a working point of a rotary disc 11 by a piston rod of a body feeding air cylinder 5 after being conveyed to an outlet of a linear feeder 4 to be fixed, then the rotary disc 11 rotates to transfer the lug 12 fixed with the plastic product body to a ligand feeding station, at the moment, a small vibration disc 6 just right at the ligand feeding station also conveys the ligand out, then the ligand is pushed to the upper part of the body fixed on the lug 12 by a ligand feeding air cylinder 7, simultaneously, a pressing air cylinder on the ligand feeding station acts to align the ligand to the plastic product body, then the rotary disc 11 continues to rotate, the lug 12 bearing the body and the ligand is transferred to a welding working point, at the moment, a pre-pressing air cylinder 24 piston rod of the welding station extends downwards, the ligand is pressed to the body to enable the center of the ligand to be tightly attached to the body, and then an ultrasonic welding head 8 is driven by the welding air cylinder 9 to move downwards, the method comprises the following steps of welding a ligand and a body, welding the ligand to the body, lifting a welding head after welding, continuously rotating a rotary table 11 to a discharging station, pushing out a finished product on a lug 12 by a piston rod of a discharging cylinder 21 of the discharging station, pushing away the lug 12, so that the lug 12 can rotate to a body feeding station to receive a new plastic product body under the rotation of the rotary table 11, and then continuously rotating to the ligand feeding station, the welding station and the discharging station, so that the continuous operation is realized. The whole degree control that can set for through PLC control system of this working process need not the manual plastic product and the ligand of placing of people, need not artifical starting equipment welding, and the cycle is stable, and is efficient, is difficult to make mistakes.

Claims

1. An ultrasonic welding device is characterized by comprising a rack, wherein a turntable (11) is horizontally arranged in the rack, the center of the turntable (11) is sleeved on an output shaft of a divider (15), and the input end of the divider (15) is connected with a rotating shaft of a motor (16); an ultrasonic welding station, a body feeding station, a ligand feeding station and a discharging station are sequentially arranged around the rotary table (11) along the rotation direction of the rotary table (11), and a lug (12) for fixing the body is fixed on the rotary table (11) at a position corresponding to the station working point; the welding station comprises an ultrasonic welding head (8) vertically erected above a lug (12) of the turntable (11) and a welding cylinder (9) for driving the welding head to longitudinally displace, the ultrasonic welding head (8) and the welding cylinder (9) are fixed in the frame, the welding station also comprises a prepressing cylinder (24) fixed in the frame, and a piston rod of the prepressing cylinder (24) is over against the lug (12) on the turntable (11); the body feeding station comprises a large vibration disc (3) arranged in the rack and a body feeding cylinder (5) arranged at a right angle with the linear feeder (4) of the large vibration disc (3), and a piston rod of the body feeding cylinder (5) is perpendicular to the linear feeder (4) of the large vibration disc (3) and is arranged over a bump (12) on the rotary disc (11); the ligand feeding station comprises a small vibrating disc (6) arranged in the frame and a ligand feeding cylinder (7) arranged at a right angle with the linear feeder (4) of the small vibrating disc (6), and a piston rod of the ligand feeding cylinder (7) is perpendicular to the linear feeder (4) of the small vibrating disc (6) and is arranged over a bump (12) on the rotary disc (11); the discharging station comprises a discharging cylinder (21) erected above the turntable (11), a piston rod of the discharging cylinder (21) is arranged right above a lug (12) on the turntable (11), and all cylinders, the motor (16) and the welding head are connected with a PLC control system arranged on the frame.

2. The ultrasonic welding equipment of claim 1, wherein a fixed seat (10) is fixed at a welding station in the frame, the ultrasonic welding head (8) and the welding cylinder (9) are fixed at the top of the fixed seat (10), and the pre-pressing cylinder (24) is fixed at the lower part of the fixed seat (10).

3. The ultrasonic welding device according to claim 1, characterized in that a blocking cylinder is arranged in parallel on the side of the body feeding cylinder (5) close to the large vibration disc (3), and the piston rod of the blocking cylinder is arranged perpendicular to the linear feeder (4) of the large vibration disc (3).

4. The ultrasonic welding device of claim 1, wherein a pressing cylinder is vertically arranged on one side of the ligand feeding cylinder (7) far away from the small vibration disc (6), and a piston rod of the pressing cylinder is arranged right opposite to the top of the bump (12) on the rotating disc (11).

5. The ultrasonic welding device according to claim 1, wherein the discharging station further comprises a discharging pipe (19) arranged on the edge of the discharging station corresponding to the lug (12) on the turntable (11), a discharging slideway (20) is connected below the discharging pipe (19), and the lower end of the discharging slideway (20) extends out of the rack.

6. The ultrasonic welding apparatus according to any one of claims 1 to 5, wherein the machine frame comprises an upper machine frame (1) and a lower machine frame (2), the upper machine frame (1) and the lower machine frame (2) are separated by a laminate (14), the ultrasonic welding station, the body feeding station, the ligand feeding station and the discharging station are all fixed on the laminate (14), a PLC control system cabinet (23) is installed in the lower machine frame (2), and a PLC control system control panel (22) is installed on the front side of the upper machine frame (1).