CN214489217U

CN214489217U - Ultrasonic welding machine

Info

Publication number: CN214489217U
Application number: CN202120719861.0U
Authority: CN
Inventors: 李晓军; 高庆波
Original assignee: Weihai Jianhong Intelligent Control Technology Co ltd
Current assignee: Weihai Jianhong Intelligent Control Technology Co ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-10-26
Anticipated expiration: 2031-04-09

Abstract

The utility model discloses an ultrasonic welding machine, it is equipped with the board, is equipped with the disc on the board, is close to its edge on the disc and evenly is equipped with a plurality of cassettes along its circumferencial direction, and the inside drive mechanism and the power unit that drive the disc rotation that are equipped with of board still are equipped with start button, PLC controller, ultrasonic welder on the board, ultrasonic welder includes the base, sets up stand on the base, set up quick-witted case on the stand and set up the ultrasonic bonding head at quick-witted incasement, the overhead pressure sensor that is provided with of ultrasonic bonding, pressure sensor is connected with the PLC controller, base fixed connection is on the board, still be equipped with automatic extracting device on the board. The utility model discloses ultrasonic welding machine operation safety can carry out the product welding in succession, and work efficiency is high to can carry out self-detection to welding work piece quality, pick out the defective work.

Description

Ultrasonic welding machine

Technical Field

The utility model relates to an ultrasonic welding device especially relates to an ultrasonic welding machine.

Background

The ultrasonic welding machine is used as plastic part welding equipment and is applied to plastic part production more and more, the ultrasonic welding machine converts generated high-voltage and high-frequency signals into high-frequency mechanical vibration through a generator, the high-frequency mechanical vibration acts on a plastic product workpiece, the temperature is increased due to the friction between molecules on the surface of the workpiece, and when the temperature reaches the melting point of the workpiece, workpiece interfaces are melted and bonded together. The application of the technology can replace other mechanical fixing methods such as adhesives, cramps and the like required in the past production, thereby improving the production efficiency and reducing the cost.

The existing welding machine in the current market often causes physical injury due to improper operation of workers in the operation process, and has potential safety hazards. The welding machine can not detect the welding quality of the workpiece in the welding process, and the produced defective products need to be manually detected by staff, so that the working efficiency is greatly limited, and the labor cost is increased.

Therefore, the traditional ultrasonic welding machine has the defects of potential safety hazard, low production efficiency and incapability of automatically picking unqualified products.

Disclosure of Invention

The utility model aims at solving the not enough of above-mentioned technique, provide a protection operating personnel safety and can carry out the product welding in succession, work efficiency is high, carries out the ultrasonic welding machine who detects by oneself and pick out the defective work to welding work piece quality.

The embodiment of the application provides an ultrasonic welding machine, which is provided with a machine table, wherein a disc is arranged on the machine table, six clamping seats are uniformly arranged on the disc close to the edge of the disc along the circumferential direction of the disc, a transmission mechanism and a power mechanism for driving the disc to rotate are arranged inside the machine table, a starting button, a PLC (programmable logic controller) and a photoelectric sensor are arranged on the machine table, the photoelectric sensor is connected with the PLC, the machine table is also provided with an ultrasonic welder, the ultrasonic welder comprises a base fixedly connected to the machine table, an upright post arranged on the base and a case arranged on the upright post, the upright post and the case are mutually embedded together through a trapezoidal mortise and tenon joint structure, the case can move up and down on the upright post so as to adjust the height of the case, an ultrasonic welding head is also arranged in the case, a pressure sensor is arranged on the ultrasonic welding head, and the pressure sensor is connected with the PLC; the machine table is provided with a positioner, the positioner comprises a positioning column, a positioning cylinder connected with the PLC is arranged on the positioning column, the positioning cylinder is connected with a positioning clamping plate through a connecting rod, a positioning hole is arranged on the positioning clamping plate, and the center of the positioning hole of the positioning clamping plate and the ultrasonic welding head are on the same vertical central line; still be equipped with automatic extracting device on the board, automatic extracting device is connected with the PLC controller.

In one embodiment, the automatic material taking device is provided with a supporting seat, a first air cylinder fixed on the supporting seat, and a sliding block connected with the first air cylinder, wherein a mechanical arm is arranged on the sliding block, a second air cylinder is arranged on the mechanical arm, and the mechanical arm takes materials under the driving of the second air cylinder.

In one embodiment, the machine station is further provided with an emergency stop button.

In one embodiment, the disc is further provided with a clamping groove workpiece corresponding to the clamping seat.

In one embodiment, six clamping seats are arranged on the disk.

In one embodiment, the power mechanism is a servo motor, and the transmission mechanism is a belt pulley mechanism.

In one embodiment, a protective fence is arranged on the machine.

The invention has the beneficial effects that: the utility model provides an ultrasonic welding machine is provided with board, emergency stop button, disc, ultrasonic welder, automatic extracting device, PLC controller. The emergency stop button and the guard rail are arranged to prevent workers from being damaged in the operation process of the equipment, so that the protection effect is achieved; the power mechanism is arranged to drive the disc to rotate, the disc rotates to continuously rotate the workpiece to the position of the ultrasonic welding joint for welding, and welding efficiency is improved; the ultrasonic welding head is provided with a pressure sensor for measuring the pressure of a workpiece during welding, judging whether the welding quality of the workpiece is qualified or not according to the pressure during welding and feeding back to a PLC (programmable logic controller), starting a manipulator to grab the workpiece to place the workpiece into a qualified box when the welding quality of the workpiece is qualified, grabbing the workpiece by the manipulator when the welding quality of the workpiece is unqualified, placing the workpiece at the center of a disc, and automatically detecting the quality of the welded workpiece and picking the workpiece.

Drawings

FIG. 1 is a schematic front perspective view of an ultrasonic welding machine according to an embodiment of the present disclosure;

FIG. 2 is a schematic diagram of a back perspective structure of an ultrasonic welding machine according to an embodiment of the present disclosure;

the symbols in the drawings illustrate that:

1. a machine platform; 2. a disc; 3. a card holder; 4, a PLC controller; 5. an ultrasonic welder; 501. a base; 502. a column; 503. a chassis; 504. welding a head by ultrasonic welding; 6. a pressure sensor; 7. an automatic material taking device; 701. a supporting seat; 702. a first cylinder; 703. a slider; 704. a manipulator; 705. a second cylinder; 8. a positioner; 801. a positioning column; 802. positioning a clamping plate; 9. a start button; 10. an emergency stop button; 11. a photosensor; 12. clamping groove workpieces; 13. a guard rail.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application 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 present application and are not intended to limit the present application.

As shown in fig. 1, an ultrasonic welding machine is equipped with board (1), is equipped with disc (2) on board (1), is close to its edge on disc (2) and evenly is equipped with six cassette (3) along its circumferencial direction, and board (1) is inside to be equipped with drive mechanism and the power unit (not shown in the figure) that drives disc (2) rotation, and power unit is servo motor, and drive mechanism is the pulley mechanism (servo motor and pulley mechanism are prior art, not shown in the figure). The machine table (1) is also provided with a starting button (9), a PLC (programmable logic controller) controller (4), an automatic material taking device (7) and an ultrasonic welding device (5). Ultrasonic bonding ware (5) are equipped with base (501), base (501) fixed connection is on board (1), be equipped with stand (502) on base (501), be equipped with quick-witted case (503) on stand (502), stand (502) and quick-witted case (503) are in the same place through trapezoidal mortise-tenon joint structure looks mutual scarf joint, quick-witted case (503) can reciprocate on stand (502), have ultrasonic bonding head (504) in quick-witted case (503), be provided with pressure sensor (6) on ultrasonic bonding head (504), pressure sensor (6) are connected with PLC controller (4).

Still be equipped with emergency stop button (10) on board (1), photoelectric sensor (11) that are connected with PLC controller (4), draw-in groove work piece (12), rail guard (13), locator (8) include reference column (801), are provided with the location cylinder (not shown in the figure) that links to each other with PLC controller (4) on reference column (801), and the location cylinder passes through the connecting rod and links to each other with location cardboard (802), is provided with locating hole (not shown in the figure) on location cardboard (802), the locating hole center and the ultrasonic bonding head (504) of location cardboard (802) are on same vertical central line.

As shown in fig. 2, the automatic material taking device (7) is provided with a support base (701), a first air cylinder (702) fixed on the support base (701), and a slide block (703) connected with the first air cylinder (702), wherein a manipulator (704) is arranged on the slide block (703), a second air cylinder (705) is arranged on the manipulator (704), and the manipulator (704) takes materials under the driving of the second air cylinder (705).

The utility model discloses a theory of operation is:

1. an operator presses the start button (9) to start the servo motor to operate, and the disc (2) is driven to rotate through the belt pulley. An operator puts a workpiece to be welded into the clamping seat (3), a clamping groove workpiece (12) is further arranged on the disc (2), when an electric wire is arranged on the workpiece to be welded, the electric wire can be pressed into a clamping groove in the clamping groove workpiece (12), and the electric wire is prevented from being wound with each other in the operation process of the disc (2).

2. Disc (2) rotate, treat that the welding workpiece moves when photoelectric sensor (11) position, whether place in photoelectric sensor (11) can respond to cassette (3) and treat the welding workpiece, and give PLC controller (6) with the response result passback, disc (2) stall when not treating the welding workpiece in photoelectric sensor (11) senses cassette (3), PLC controller (6) report to the police, remind operating personnel to treat that the welding workpiece places in cassette (3), when waiting to weld the workpiece on cassette (3) is sensed in photoelectric sensor (11), disc (2) rotate treat in cassette (3) that the welding workpiece moves next station.

3. When the workpiece to be welded moves to the position of the positioner (8), the PLC (4) starts the positioning cylinder (not shown in the figure), the positioning cylinder drives the positioning clamping plate (802) to descend through the connecting rod, and the positioning hole positions the workpiece to be welded, so that the workpiece is prevented from inclining or moving during welding.

4. After the positioning clamping plate (802) fixes the workpiece to be welded, the ultrasonic welding joint (504) descends to weld the workpiece to be welded, and the pressure sensor (6) on the ultrasonic welding joint (504) monitors the pressure during welding and compares the pressure with the pressure parameter set in the PLC (4) to judge whether the welding quality of the workpiece is qualified.

5. After the workpieces are welded, the PLC (4) starts the automatic material taking device to act, the sliding block (703) horizontally moves to the position above the workpieces under the action of the first air cylinder (702), two clamping pieces are arranged on the manipulator (704), the clamping pieces are connected with a piston rod of the second air cylinder (705), the second air cylinder (705) acts to drive the clamping pieces to open or grab, and the manipulator (704) grabs the workpieces under the action of the second air cylinder (705). When the welding quality of the workpiece is judged to be unqualified, the manipulator (704) grabs the workpiece to move towards the center direction of the disc (2), the unqualified workpiece is placed at the center position of the disc (2), and the PLC (4) flickers to remind an operator of the unqualified workpiece; when the welding quality of the workpiece is judged to be qualified, the manipulator (704) grabs the workpiece to move towards the opposite direction of the center of the disc (2) and places the workpiece in a qualified box (not shown in the figure).

Still be equipped with scram button (10) on the board, scram button (10) link to each other with PLC controller (4), and ultrasonic welding machine appears unusually or can in time press scram button (10) when operating personnel harms in the operation process, and PLC controller (4) stop servo motor operation, make ultrasonic welding machine stop work. The machine table is also provided with a protective guard (13) which plays a role in protection.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An ultrasonic welding machine is provided with a machine table (1), a disc (2) is arranged on the machine table (1), a plurality of clamping seats (3) are uniformly arranged on the disc (2) close to the edge of the disc along the circumferential direction of the disc, a transmission mechanism and a power mechanism for driving the disc (2) to rotate are arranged inside the machine table (1), a starting button (9) is further arranged on the machine table (1), a PLC (programmable logic controller) (4) is further arranged on the machine table (1), a photoelectric sensor (11) is arranged on the machine table (1), the photoelectric sensor (11) is connected with the PLC (4), an ultrasonic welder (5) is further arranged on the machine table (1), and the ultrasonic welding machine is characterized in that the ultrasonic welder (5) comprises a base (501) fixedly connected to the machine table (1), a stand column (502) arranged on the base (501) and a case (503) arranged on the stand column (502), the upright column (502) and the case (503) are mutually embedded together through a trapezoid mortise and tenon structure, the case (503) can move up and down on the upright column (502), an ultrasonic welding head (504) is further arranged in the case (503), a pressure sensor (6) is arranged on the ultrasonic welding head (504), and the pressure sensor (6) is connected with the PLC (4); a positioner (8) is arranged on the machine table (1), the positioner (8) comprises a positioning column (801), a positioning cylinder connected with the PLC (4) is arranged on the positioning column (801), the positioning cylinder is connected with a positioning clamping plate (802) through a connecting rod, a positioning hole is arranged on the positioning clamping plate (802), and the center of the positioning hole of the positioning clamping plate (802) is on the same vertical central line with the ultrasonic welding head (504); the machine table (1) is further provided with an automatic material taking device (7), and the automatic material taking device (7) is connected with the PLC (4).

2. An ultrasonic welding machine according to claim 1, wherein: the automatic material taking device (7) is provided with a supporting seat (701), a first air cylinder (702) fixed on the supporting seat (701), and a sliding block (703) connected with the first air cylinder (702), wherein a mechanical arm (704) is arranged on the sliding block (703), a second air cylinder (705) is arranged on the mechanical arm (704), and the mechanical arm (704) takes materials under the driving of the second air cylinder (705).

3. An ultrasonic welding machine according to claim 1, wherein: the machine table (1) is also provided with an emergency stop button (10).

4. An ultrasonic welding machine according to claim 1, wherein: and a clamping groove workpiece (12) corresponding to the clamping seat (3) is also arranged on the disc (2).

5. An ultrasonic welding machine according to claim 1, wherein: six clamping seats (3) are arranged on the disc (2).

6. An ultrasonic welding machine according to claim 1, wherein: the power mechanism is a servo motor, and the transmission mechanism is a belt pulley mechanism.

7. An ultrasonic welding machine according to claim 1, wherein: and a protective guard (13) is arranged on the machine table (1).