Wire harness welding machine based on crank arm cutting board

Abstract

The utility model belongs to the technical field of ultrasonic welding, and particularly relates to a wire harness welding machine based on a crank arm chopping board, which comprises a base, a driving unit, a lifting seat and a welding assembly, the welding assembly comprises a welding head and a chopping board, a pressing plate is arranged on the base, the crank arm and the chopping board are arranged on the lifting seat, and the driving unit is arranged on the base. A sliding block and an elastic piece are installed at the upper end of the lifting base, the sliding block is connected with a cutting board, the crank arm is rotationally connected with the lifting base, and one end of the crank arm is matched with the pressing plate in an abutting mode. By adjusting the moving position of the cutting board, the cutting board and the welding head are arranged oppositely; the welding head and the cutting board can be accurately aligned, installation deviation is avoided, the welding head can be replaced more easily, maintenance is easy, and production efficiency and reliability can be improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of ultrasonic welding, and particularly relates to a wire harness welding machine based on a curved-arm anvil. BACKGROUND

[0002] The ultrasonic wire harness welding machine is a device capable of setting the welding width of a wire harness arbitrarily without replacing a tool head, and the setting of the welding width of the wire harness is realized by controlling a stepper motor to drive a nut on a lead screw to stop at different positions so as to limit the extension distance of a left blocking cylinder, the anvil stops after being extended to the left blocking cylinder, the closure of a closed square cavity of the welded wire harness is completed, the anvil is driven by a driving device to press the wire harness, and the ultrasonic system is started to drive the welding head to complete the welding of the wire harness.

[0003] In the actual application of the wire harness welding machine to weld wire harness products, the inventor finds that at least the following technical problems exist in the prior art:

[0004] On the one hand, the anvil extension mechanism of the wire harness welding machine is usually integrated on the pressing mechanism, the anvil is pushed out by using a spring and pulled back by using a belt, the belt needs to be replaced at irregular intervals due to its short service life, the maintenance and installation costs are increased, and the use efficiency is affected; on the other hand, the extension and retraction of the anvil are realized by installing a cylinder behind the anvil, the air pipe and the sensor of the cylinder move up and down together with the main welding rod, the space occupied is large, and the repeated movement and high-frequency vibration are prone to cause faults as the number of welding increases.

[0005] Therefore, it is necessary to improve the defects in the prior art to overcome the deficiencies in the actual application. CONTENT OF THE UTILITY MODEL

[0006] In view of the above-mentioned defects and deficiencies in the prior art, one of the purposes of the utility model is to solve at least one or more of the above-mentioned problems in the prior art, in other words, one of the purposes of the utility model is to provide a wire harness welding machine based on a curved-arm anvil which meets one or more of the above-mentioned requirements.

[0007] In order to achieve the above-mentioned purposes of the utility model, the utility model adopts the following technical solutions:

[0008] The utility model provides a wire harness welding machine based on a curved-arm anvil, which comprises a base, a driving unit, a lifting seat and a welding assembly, the welding assembly comprises a welding head and an anvil, a pressing plate is installed on the base, a curved arm and the anvil are installed on the lifting seat, a sliding block and an elastic piece are installed on the upper end of the lifting seat, the sliding block is connected to the anvil, the curved arm is in transmission connection with the lifting seat, and one end of the curved arm is in abutting contact with the pressing plate; the moving position of the anvil is adjusted so that the anvil is opposite to the welding head.

[0009] As a preferred scheme, the bottom end of the sliding block is provided with a mounting groove, one end of the curved arm is clamped in the mounting groove, and the other end is in contact with the pressing plate, and the middle part of the curved arm is in rotation with the lifting seat.

[0010] As a preferred scheme, the driving unit comprises a driving cylinder and a transmission assembly, the driving cylinder is mounted on the base and connected with the transmission assembly, and the transmission assembly is connected with the lifting seat.

[0011] As a preferred scheme, the transmission assembly comprises a first rack and a gear, the gear comprises a first engaging part and a second engaging part, the driving cylinder is in transmission connection with the first rack, and the first rack is in transmission connection with the first engaging part.

[0012] As a preferred scheme, the lifting seat is provided with a second rack in the vertical direction, and the second engaging part is in transmission connection with the second rack.

[0013] As a preferred scheme, the upper end of the lifting seat is connected with a top cover, and a cavity is formed between the top cover and the lifting seat.

[0014] As a preferred scheme, a sliding block and an elastic piece are mounted in the cavity, one end of the cavity is provided with a spring seat, the spring seat is connected with the elastic piece, and the elastic piece is in abutting connection with the sliding block.

[0015] As a preferred scheme, a supporting plate is mounted on the base, and a pressing plate is mounted on the supporting plate.

[0016] As a preferred scheme, the side wall of the lifting seat is connected with a stopper.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] The utility model provides a kind of harness welding machine based on curved arm anvil, ensure that welding head and anvil are accurately aligned, avoid installation deviation, so that it is more easily to replace welding head, maintenance is simple, can improve production efficiency and reliability.

[0019] The utility model provides a kind of harness welding machine based on curved arm anvil, by in using anvil and curved arm structure, effectively reduce cylinder movement space, reduce failure rate, curved arm structure flexible adjustment, adapt complex harness layout and multiple harness specifications, improve production adaptability and production efficiency.Curved arm and anvil are finely matched, ensure that welding point consistency, improve product quality stability.Through accurate control the position of anvil, ensure that welding is uniform, improve welding strength, reduce rework rate.Integral design is compact and efficient, easy to operate, improve work efficiency, give consideration to practicability and economy, help enterprise to reduce cost and increase efficiency. DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0021] Figure 1 is a structural schematic diagram of a wire harness welding machine based on a curved arm anvil plate according to an embodiment of the present application;

[0022] Figure 2 is a connection structure schematic diagram of a driving unit and a lifting seat according to an embodiment of the present application;

[0023] Figure 3 is a sectional view of a lifting seat according to an embodiment of the present application;

[0024] Figure 4 is a connection state schematic diagram of a curved arm, a sliding block and a pressing plate according to an embodiment of the present application;

[0025] Figure 5 is a structural schematic diagram of a lifting seat according to an embodiment of the present application;

[0026] Figure 6 is another perspective structural schematic diagram of a lifting seat according to an embodiment of the present application;

[0027] Figure 7 is a retracted state schematic diagram of an anvil plate according to an embodiment of the present application;

[0028] In the figure: 1 base, 2 lifting seat, 21 curved arm, 22 sliding block, 23 elastic member, 24 spring seat, 25 top cover, 26 second rack, 27 cavity, 3 driving unit, 31 driving cylinder, 32 first rack, 33 gear, 331 first meshing part, 332 second meshing part, 4 support plate, 41 pressing plate, 5 welding assembly, 51 welding head, 52 amplitude modulator, 53 transducer, 54 anvil plate, 55 stop block. DETAILED DESCRIPTION

[0029] In order to more clearly illustrate the embodiments of the present application, the specific embodiments of the present application will be described with reference to the drawings. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings, and other embodiments can be obtained.

[0030] In the description of the embodiments of the present application, the terms "upper", "lower", "front", "back" and the like orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only used to distinguish in description, and have no special meaning.

[0031] According to some embodiments of the present application, referring to Figures 1 to 7 As shown, a wire harness welding machine based on a curved arm anvil is provided, which comprises a base 1, a driving unit 3, a lifting seat 2 and a welding assembly 5, the welding assembly 5 comprises a welding head 51 and an anvil 54, a pressing plate 41 is installed on the base 1, a curved arm 21 and the anvil 54 are installed on the lifting seat 2, a sliding block 22 and an elastic member 23 are installed on the upper end of the lifting seat 2, the sliding block 22 is connected to the anvil 54, the curved arm 21 is rotationally connected to the lifting seat 2, and one end of the curved arm 21 is in abutting contact with the pressing plate 41; the moving position of the anvil 54 is adjusted so that the anvil 54 is arranged opposite to the welding head 51.

[0032] In some embodiments of the present application, the welding assembly further comprises a transducer 53 and an amplitude modulator 52, the transducer 53, the amplitude modulator 52 and the welding head 51 are sequentially connected into an ultrasonic triple set, and are installed on the base 1 through a support member. When welding the wire harness product, the wire harness needs to be placed on the welding head 51, and the anvil 54 needs to be pressed tightly on the wire harness, so that the wire harness is welded by the ultrasonic triple set.

[0033] In some embodiments of the present application, a mounting groove is formed in the bottom end of the sliding block 22, one end of the curved arm 21 is clamped in the mounting groove, and the other end is in contact with the pressing plate 41, and the middle part of the curved arm 21 is rotationally connected to the lifting seat 2.

[0034] Specifically, the lifting seat 2 is provided with a hollow structure, the curved arm 21 is installed in the hollow structure, and a pin shaft is inserted into a through hole in the middle part of the curved arm 21, so that the middle part of the curved arm 21 is rotationally connected to the lifting seat 2. The upper end of the curved arm 21 is clamped in the mounting groove in the bottom end of the sliding block 22, and when the curved arm 21 rotates around the middle part, the sliding block 22 moves laterally in linkage.

[0035] In some embodiments of the present application, the upper end of the lifting seat 2 is connected to a top cover 25, and a cavity 27 is formed between the top cover 25 and the lifting seat 2.

[0036] Specifically, the upper end of the lifting seat 2 is provided with a top cover 55, and a cavity is formed between the top cover 55 and the lifting seat 2. The sliding block 22 and the elastic member 23 are arranged in the cavity 27. One end of the cavity 27 is provided with a spring seat 24, the spring seat 24 is connected with the elastic member 23, and the elastic member 23 is in abutting connection with the sliding block 22. The spring seat 24 can accurately control the moving distance of the sliding block 22 by adjusting the compression amount of the elastic member 23, so as to ensure the accurate alignment of the anvil plate 54 and the welding head 51, and improve the welding quality.

[0037] When the lifting seat is at the uppermost end, the lower end of the curved arm is in abutting connection with the pressing plate 41, and the upper end of the curved arm acts on the sliding block and compresses the elastic member. At this time, the anvil plate is in the retracted state. When the lifting seat, the sliding block and the anvil plate are lowered, the lower end of the curved arm is gradually separated from the pressing plate, the curved arm rotates counterclockwise, at this time, the elastic member pushes out the sliding block, so that the anvil plate is pushed out. When the lifting seat, the sliding block and the anvil plate are raised, the lower end of the curved arm is gradually in abutting connection with the pressing plate, the curved arm rotates clockwise, at this time, the anvil plate is pressed back, and the sliding block compresses the elastic member.

[0038] In some embodiments of the present application, the driving unit 3 comprises a driving cylinder 31 and a transmission assembly. The driving cylinder 31 is arranged on the base 1 and connected with the transmission assembly. The transmission assembly is connected with the lifting seat 2.

[0039] Further, the transmission assembly comprises a first rack 32 and a gear 33. The gear 33 comprises a first meshing part 331 and a second meshing part 332. The driving cylinder 31 is in transmission connection with the first rack 32, and the first rack 32 is in transmission connection with the first meshing part 331. The lifting seat 2 is provided with a second rack 26 in the vertical direction. The second meshing part 332 is in transmission connection with the second rack 26.

[0040] In some embodiments of the present application, the base 1 is provided with a support plate 4, and the pressing plate 41 is arranged on the support plate 4. The pressing plate 41 is fixed on the support plate 4 by bolts, so as to ensure that the pressing plate 41 is stable during the welding process, and further improve the welding precision and stability.

[0041] In some embodiments of the present application, the side wall of the lifting seat 2 is connected with a stop block 55. The stop block is used to limit the welding space, so as to ensure the welding width of the wire harness product.

[0042] According to some embodiments of the present application, the wire harness welding machine based on the curved arm anvil plate can ensure the accurate alignment of the welding head and the anvil plate, avoid installation deviation, make it easier to replace the welding head, and improve the production efficiency and reliability.

[0043] In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the technical terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integral; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0044] The above only details the preferred embodiments and principles of the present application, and for those skilled in the art, according to the idea provided by the present application, there will be changes in the specific implementation manner, and these changes should also be regarded as the protection scope of the present application.

Claims

1. A wire harness welding machine based on a curved arm anvil, characterized in that, The device includes a base, a drive unit, a lifting seat, and a welding assembly. The welding assembly includes a welding head and an anvil. A pressure plate is mounted on the base. A crank arm and an anvil are mounted on the lifting seat. A slider and an elastic element are mounted on the upper end of the lifting seat. The slider is connected to the anvil. The crank arm is rotatably connected to the lifting seat. One end of the crank arm abuts against the pressure plate. The movement position of the anvil is adjusted so that the anvil is positioned directly opposite the welding head.

2. A wire harness welding machine based on a curved arm anvil according to claim 1, characterized in that, The bottom end of the slider has a mounting groove, one end of the crank arm is engaged in the mounting groove, the other end is in contact with the pressure plate, and the middle part of the crank arm is in rotational cooperation with the lifting seat.

3. A wire harness welding machine based on a curved arm anvil according to claim 1, characterized in that, The drive unit includes a drive cylinder and a transmission assembly. The drive cylinder is mounted on the base and connected to the transmission assembly, which is connected to the lifting seat.

4. A wire harness welding machine based on a curved arm anvil according to claim 3, characterized in that, The transmission assembly includes a first rack and a gear, the gear including a first meshing part and a second meshing part, the drive cylinder being drivenly connected to the first rack, and the first rack being drivenly connected to the first meshing part.

5. A wire harness welding machine based on a curved arm anvil according to claim 4, characterized in that, The lifting seat is provided with a second rack in the vertical direction, and the second meshing part is connected to the second rack in a transmission connection.

6. A wire harness welding machine based on a curved arm anvil according to claim 1, characterized in that, The upper end of the lifting seat is connected to the top cover, and a cavity is formed between the top cover and the lifting seat.

7. A wire harness welding machine based on a curved arm anvil according to claim 6, characterized in that, A slider and an elastic element are installed inside the cavity. A spring seat is installed at one end of the cavity. The spring seat is connected to the elastic element, and the elastic element abuts against the slider.

8. A wire harness welding machine based on a curved arm anvil according to claim 1, characterized in that, A support plate is installed on the base, and a pressure plate is installed on the support plate.

9. A wire harness welding machine based on a curved arm anvil according to claim 1, characterized in that, The side wall of the lifting seat is connected to a stop block.

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