CN221910213U - Double-station ultrasonic welding machine - Google Patents

Abstract

The utility model relates to a double-station ultrasonic welding machine in the field of welding machines, wherein a rotatable workbench is arranged on a base, the workbench is connected with the base through a vertical rotating shaft, a driving motor is arranged in the base, the driving motor is connected with the vertical rotating shaft through a transmission component, the driving motor can drive the workbench to rotate, two lower die jigs are arranged on the workbench, the two lower die jigs are symmetrically arranged with each other, a signal receiver is arranged at the edge of the lower die jig, an infrared emitter is arranged on a protective cover, a control panel is arranged on the base, a lifting seat, an acoustic wave generator signal receiver, the infrared emitter and the driving motor are all electrically connected with the control panel, the signal receiver can detect optical signals emitted by the infrared emitter and transmit the optical signals to the control panel, and the control panel can control the driving motor to stop after receiving the electrical signals, so that the production speed of product welding can be improved, the productivity can be improved, and the time cost can be reduced.

Description

A double-station ultrasonic welding machine

Technical Field

The utility model relates to the field of welding machines, in particular to a double-station ultrasonic welding machine.

Background Art

Ultrasonic welding machine is an industrial welding equipment. Its principle is to use the high-frequency vibration energy of ultrasonic waves to quickly melt the interface of plastic workpieces, fill the gaps between the interfaces, and cool and shape under a certain pressure to achieve the purpose of welding. Ultrasonic welding machines are widely used in welding, implantation, forming, riveting, spot welding, cutting, suturing and other operations of plastic products. It has the advantages of fast speed and firm welds, and can also automate the production and processing of plastic products. Ultrasonic welding machines can achieve different functions by replacing the welding head, such as welding method, riveting welding method, etc. When using an ultrasonic welding machine, it is necessary to operate according to the installation procedure to ensure safety and stability.

Ultrasonic welding machines usually consist of the following parts: an ultrasonic generator, which is a device that converts the 50/60Hz current provided by a normal power supply into a high-voltage signal of a certain frequency. A welding head, which is a real active welding mold and transmits mechanical vibrations to the welded part, that is, it couples the ultrasonic vibrations. Depending on the geometric structure, the welding head can also amplify or reduce the amplitude. A clamping mechanism drives the welding head close to the surface of the product for welding. A mold is used to place the product and fix the position of the product to prevent it from shifting.

Existing ultrasonic welding machines usually have only one lower mold fixture. After the worker places the product on the lower mold fixture, the machine is started, and the welding head moves down for welding. After completion, the worker takes out the finished product before placing the next product. The production efficiency is low, and the worker can only wait while the welding head is welding.

Utility Model Content

In order to overcome the deficiencies of the existing technical solutions, the utility model provides a double-station ultrasonic welding machine, which can effectively solve the technical problems of low production efficiency and workers having to wait during the welding process in which the welding pressure head is pressed down.

The technical solution adopted by the utility model to solve its technical problems is:

A double-station ultrasonic welding machine comprises a base, a support column, a welding pressure head, a lifting seat, a sonic wave generator and a lower die fixture. The lifting seat is installed on the lifting seat by the sonic wave generator and the welding pressure head arranged on the base. The lifting seat can drive the sonic wave generator and the welding pressure head to move downward. The lower die fixture is arranged below the welding pressure head. A rotatable workbench is arranged on the base, and the workbench is connected to the base through a vertical rotating shaft. A driving motor is arranged in the base, and the driving motor is connected to the vertical rotating shaft through a transmission assembly. The driving motor can drive the workbench to rotate. Two lower die fixtures are arranged on the workbench, and the two lower die fixtures are arranged symmetrically with each other.

A protective cover is installed on the support column, the lifting seat and the sound wave generator are both arranged in the protective cover, a signal receiver is arranged on the edge of the lower mold fixture, an infrared transmitter is arranged on the protective cover, and a control panel is arranged on the base. The lifting seat, the sound wave generator signal receiver, the infrared transmitter and the drive motor are all electrically connected to the control panel. The signal receiver can detect the light signal emitted by the infrared transmitter, and convert the light signal into an electrical signal and send it to the control panel. After receiving the electrical signal, the control panel controls the drive motor to stop.

Furthermore, the workbench is provided with a plurality of threaded holes, and the lower die fixture is installed on the workbench through a fixing plate and bolts, one end of the fixing plate presses the edge of the lower die fixture, and the other end is connected to the workbench through bolts.

Furthermore, a protective shell with an opening facing forward is provided on the base, a protective door that can be opened and closed up and down is provided at the opening of the protective shell, a sliding groove is provided on the inner wall of the protective shell, and two sides of the protective door are provided in the sliding groove.

Furthermore, one end of the protective door close to the welding pressure head is connected to the sound wave generator through a connecting plate, and the sound wave generator can drive the protective door to move up and down along the slide groove.

Furthermore, a positioning groove is provided on the base, a ball bearing is provided on the positioning groove, and a positioning boss is provided at the lower end of the workbench, and the positioning boss can be inserted into the positioning groove.

Furthermore, the transmission assembly includes a reducer, a synchronous wheel and a synchronous belt. The reducer is connected to the output shaft of the driving motor. The reducer and the vertical rotating shaft are both provided with synchronous wheels. The two synchronous wheels are connected by a synchronous belt.

Compared with the prior art, the utility model has the following beneficial effects: a rotatable workbench is provided, and two lower die fixtures are provided on the workbench. By rotating the workbench, the two lower die fixtures can be moved to the bottom of the welding pressure head in turn. When the lower die fixture is aligned with the welding pressure head, the infrared transmitter is aligned with the signal receiver, and the infrared light of the infrared transmitter is irradiated onto the signal receiver. After receiving the light signal, the signal receiver converts the light signal into an electrical signal and sends it to the control panel. The control panel stops the driving motor. When the welding pressure head welds the product, the worker can place the product to be welded in another lower die fixture and wait for welding. After the welding of one product is completed, the workbench rotates, and the lower die fixture with the welded product is placed under the welding pressure head. The finished product is moved to the side close to the control panel through the workbench, the finished product is taken out and the product to be welded is put back in. Such a cycle can improve the production speed of product welding, improve production capacity, and reduce time cost.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic structural diagram of a double-station ultrasonic welding machine of the present invention;

FIG2 is a schematic diagram of the structure of a double-station ultrasonic welding machine of the utility model after the protective shell is hidden;

FIG3 is a cross-sectional view of a double-station ultrasonic welding machine of the present invention;

FIG4 is a schematic structural diagram of a lower mold fixture in a double-station ultrasonic welding machine of the present invention;

Numbers in the figure: 1-base, 2-support column, 3-welding pressure head, 4-lifting seat, 5-sonic wave generator, 6-lower mold fixture, 7-workbench, 8-ball bearing, 9-vertical shaft, 10-drive motor, 11-reducer, 12-synchronous wheel, 13-synchronous belt, 14-fixed plate, 15-protective cover, 16-signal receiver, 17-infrared transmitter, 18-control panel, 19-protective shell, 20-protective door, 21-slide, 22-connecting plate.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

The following is a detailed description of a double-station ultrasonic welding machine of the utility model in conjunction with Figures 1 to 4:

A double-station ultrasonic welding machine includes a base 1, a support column 2, a welding pressure head 3, a lifting seat 4, a sound wave generator 5 and a lower mold fixture 6. The lifting seat 4 is installed on the lifting seat 4 by the sound wave generator 5 and the welding pressure head 3 arranged on the base 1. The lifting seat 4 can drive the sound wave generator 5 and the welding pressure head 3 to move downward. The lower mold fixture 6 is arranged below the welding pressure head 3. A rotatable workbench 7 is arranged on the base 1, and the workbench 7 is connected to the base 1 through a vertical rotating shaft 9. A positioning groove is arranged on the base 1, and a ball bearing 8 is arranged on the positioning groove. A positioning boss is arranged at the lower end of the workbench 7, and the positioning boss can be inserted into the positioning groove. A driving motor 10 is arranged in the base 1 to drive The motor 10 is connected to the vertical rotating shaft 9 through a transmission assembly, which includes a reducer 11, a synchronous wheel 12 and a synchronous belt 13. The reducer 11 is connected to the output shaft of the driving motor 10. The reducer 11 and the vertical rotating shaft 9 are both provided with synchronous wheels 12. The two synchronous wheels 12 are connected through a synchronous belt 13. The driving motor 10 can drive the workbench 7 to rotate. Two lower mold fixtures 6 are provided on the workbench 7. The two lower mold fixtures 6 are symmetrically arranged with each other. A plurality of threaded holes are provided on the workbench 7. The lower mold fixture 6 is installed on the workbench 7 through a fixing plate 14 and bolts. One end of the fixing plate 14 presses the edge of the lower mold fixture 6, and the other end is connected to the workbench 7 through bolts.

A protective cover 15 is installed on the support column 2, the lifting seat 4 and the sound wave generator 5 are both arranged in the protective cover 15, a signal receiver 16 is arranged on the edge of the lower mold fixture 6, an infrared transmitter 17 is arranged on the protective cover 15, and a control panel 18 is arranged on the base 1. The lifting seat 4, the sound wave generator 5 signal receiver 16, the infrared transmitter 17 and the drive motor 10 are all electrically connected to the control panel 18. The signal receiver 16 can detect the light signal emitted by the infrared transmitter 17, and convert the light signal into an electrical signal and send it to the control panel 18. After receiving the electrical signal, the control panel 18 controls the drive motor 10 to stop.

The base 1 is provided with a protective shell 19 with an opening facing forward, and a protective door 20 which can be opened and closed up and down is provided at the opening of the protective shell 19. A slide groove 21 is provided on the inner wall of the protective shell 19, and both sides of the protective door 20 are arranged in the slide groove 21. The end of the protective door 20 close to the welding pressure head 3 is connected to the sound wave generator 5 through the connecting plate 22. During welding, the lifting seat 4 drives the sound wave generator 5 and the welding pressure head 3 to approach the lower mold fixture 6, and the sound wave generator 5 can drive the protective door 20 to move synchronously along the slide groove 21. During welding, the protective door 20 separates the worker from the welding pressure head 3 to ensure the safety of the worker and reduce the occurrence of accidents.

A double-station ultrasonic welding machine of the present embodiment is provided with a rotatable workbench 7, on which two lower mold fixtures 6 are arranged. By rotating the workbench 7, the two lower mold fixtures 6 can be moved to the bottom of the welding pressure head 3 in turn. When the lower mold fixture 6 is aligned with the welding pressure head 3, the infrared transmitter 17 is aligned with the signal receiver 16, and the infrared light of the infrared transmitter 17 is irradiated onto the signal receiver 16. After receiving the light signal, the signal receiver 16 converts the light signal into an electrical signal and sends it to the control panel 18. The control panel 18 stops the driving motor 10. When the welding pressure head 3 welds the product, the worker can place the product to be welded in the other lower mold fixture 6 and wait for welding. After the welding of one product is completed, the workbench 7 rotates, and the lower mold fixture 6 with the welded product is placed moves to the bottom of the welding pressure head 3. The finished product moves to the side close to the control panel 18 through the workbench 7, the finished product is taken out and the product to be welded is put back. Such a cycle can improve the production speed of product welding, improve production capacity, and reduce time cost.

It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims (6)

1. The utility model provides a duplex position ultrasonic welding machine, includes base, support column, welding pressure head, lifting seat, sound wave generator and lower mould tool, and the lifting seat is installed on the lifting seat through setting up sound wave generator and welding pressure head on the base, and lifting seat can drive sound wave generator and welding pressure head downwardly moving, and lower mould tool sets up in the below of welding pressure head, its characterized in that: the base is provided with a rotatable workbench, the workbench is connected with the base through a vertical rotating shaft, a driving motor is arranged in the base and connected with the vertical rotating shaft through a transmission assembly, the driving motor can drive the workbench to rotate, and two lower die jigs are arranged on the workbench and are symmetrically arranged with each other;

Install the safety cover on the support column, lift seat, sound wave generator all set up in the safety cover, the edge of lower mould tool is provided with signal receiver, be provided with infrared transmitter on the safety cover, be provided with control panel on the base, lift seat, sound wave generator, signal receiver, infrared transmitter and driving motor all with control panel electric connection, signal receiver detectable infrared transmitter transmitted light signal to turn into the electrical signal and send control panel with light signal, control panel received the electrical signal and control driving motor stops.

2. The duplex position ultrasonic welder of claim 1, wherein: be provided with a plurality of screw holes on the workstation, lower mould tool passes through fixed plate and bolt mounting on the workstation, and the edge of lower mould tool is pressed to the one end of fixed plate, and the other end passes through the bolt to be connected with the workstation.

3. The duplex position ultrasonic welder of claim 1, wherein: the base is provided with a protective shell with a forward opening, the opening of the protective shell is provided with a protective door which can be opened and closed up and down, the inner wall of the protective shell is provided with a chute, and two sides of the protective door are arranged in the chute.

4. A duplex position ultrasonic welder according to claim 3, wherein: the one end that the guard gate is close to the welding pressure head is connected with sound wave generator through the connecting plate, and sound wave generator can drive the guard gate and reciprocate along the spout.

5. A duplex position ultrasonic welder according to any of claims 1-4, wherein: the base is provided with a positioning groove, the positioning groove is provided with a ball bearing, the lower end of the workbench is provided with a positioning boss, and the positioning boss can be inserted into the positioning groove.

6. A duplex position ultrasonic welder according to any of claims 1-4, wherein: the transmission assembly comprises a speed reducer, a synchronous wheel and a synchronous belt, wherein the speed reducer is connected with an output shaft of a driving motor, the speed reducer and the vertical rotating shaft are respectively provided with the synchronous wheel, and the two synchronous wheels are connected through the synchronous belt.