High-frequency resistance welding equipment for decorative door

Abstract

The utility model discloses high-frequency resistance welding equipment for a decorative door, which comprises a rack, a carrier module and a displacement module for driving the carrier module to move horizontally are arranged in the rack, and a welding module is arranged above the carrier module; the carrier module comprises a carrier bottom plate used for preventing a product bottom plate, a plurality of lower electrodes are arranged in the profiling cavity and are in one-to-one correspondence with product welding points, a plurality of positioning blocks used for positioning the pressing plate and the product bottom plate are arranged on the carrier bottom plate, and the carrier module further comprises a plurality of pressing blocks used for being pressed on the product bottom plate. According to the structure, through the design of all the pressing plates and the positioning blocks, the product and the part needing to be welded can be accurately positioned and fixed, then the servo motor drives the lead screw module to move, accurate movement of the product and the welding head is achieved, and the welding efficiency is improved. Therefore, the welding precision is ensured, and the product yield is improved.

Description

Technical Field

[0001] The utility model relates to the field of welding equipment, in particular to a high-frequency resistance welding equipment for decorative doors. Background Art

[0002] At present, welding technology is increasingly used in the market. Especially with the promotion of 3C electronics industry and automobile industry, the demand for welding technology is increasing. In the current broad market prospects, the traditional Trim Door sheet metal welding process almost relies on manual labor. Manual labor cannot effectively guarantee welding accuracy, the labor intensity of workers is high, and the welding accuracy of the product will also cause large errors. Manual labor cannot guarantee product consistency, the yield rate is unstable, and the daily production capacity is limited. Or a single welding module is used for welding, which requires frequent movement of products, which is time-consuming and labor-intensive. Utility Model Content

[0003] The technical problem solved by the utility model is to provide a high-frequency resistance welding device for decorative doors which can realize automatic welding.

[0004] The technical solution adopted by the utility model to solve the technical problem is: a high-frequency resistance welding device for decorative doors, comprising a frame, a carrier module and a displacement module for driving the carrier module to move horizontally along the X-axis are arranged in the frame, and a welding module for welding the carrier product is arranged above the carrier module;

[0005] The carrier module includes a carrier bottom plate for preventing the product bottom plate, a plurality of lower electrodes are arranged in the contour cavity, the lower electrodes correspond one-to-one to the product welding points, a plurality of positioning blocks for positioning the pressure plate and the product bottom plate are arranged on the carrier bottom plate, and a plurality of pressing blocks for pressing on the top of the product bottom plate are also included, the positions of the pressing blocks and the positioning blocks correspond one-to-one, and a toggle clamp for pressing the product parts on the product bottom plate is arranged on the side of the carrier bottom plate.

[0006] Furthermore, the displacement module includes a first screw module and a first servo motor for driving the screw module to move, the driving end of the screw module is fixedly connected to the carrier module, multiple linear slide rails are arranged on both sides of the screw module, and the bottom of the carrier module is slidably connected to the multiple linear slide rails through a slider.

[0007] Furthermore, the welding module includes a frame, on which is disposed a second screw module and a second servo motor for driving the second screw module to move; the driving end of the second screw module is connected to a welding pressure head and a lifting drive cylinder for driving the welding pressure head to perform lifting movement; when the second servo motor drives the second screw module to move, the welding pressure head can move horizontally along the Y-axis; and the frame is also provided with a transformer connected to the welding pressure head.

[0008] Furthermore, a water cooling channel is provided in the lower electrode, one end of the water cooling channel is a cooling water inlet, and the other end of the water cooling channel is a cooling water outlet.

[0009] Furthermore, the positioning blocks include a first positioning block, a second positioning block, a third positioning block and a fourth positioning block respectively located at the four corners of the carrier bottom plate, a fifth positioning block is arranged on one side of the short side of the carrier bottom plate, and a sixth positioning block is arranged on one side of the long side of the carrier bottom plate;

[0010] The pressing plate includes a first L-shaped pressing plate abutting against the first positioning block, a second L-shaped pressing plate abutting against the second positioning block, a third L-shaped pressing plate abutting against the third positioning block, and a fourth L-shaped pressing plate abutting against the fourth positioning block, and notches are provided on opposite sides of the second L-shaped pressing plate and the third L-shaped pressing plate, so that a plurality of parts can be respectively positioned between the first L-shaped pressing plate and the second L-shaped pressing plate, between the first L-shaped pressing plate and the fourth L-shaped pressing plate, and between the third L-shaped pressing plate and the fourth L-shaped pressing plate;

[0011] It also includes a fifth pressing plate and a sixth pressing plate, wherein a first abutting protrusion is provided on one side of the fifth pressing plate, and protrusions are provided at both ends of the fifth pressing plate, and the protrusions at both ends of the fifth pressing plate are located in the gaps of the second L-shaped pressing plate and the third L-shaped pressing plate, and the first abutting protrusion on one side of the fifth pressing plate abuts against the fifth positioning block, so that there is a gap for positioning product parts between the fifth pressing plate and the fifth positioning block, and a second abutting protrusion is provided on the side of the sixth pressing block to abut against the side of the gap of the product parts, and one end of the sixth pressing block abuts against the third L-shaped pressing plate. It also includes a plurality of seventh positioning blocks that can be inserted into the gaps of product parts.

[0012] The beneficial effect of the utility model is that the design of each pressing plate and positioning block in the structure can make it possible to accurately position and fix the product and the parts to be welded, and then drive the screw module to move by the servo motor to achieve precise movement of the product and the welding head, thereby ensuring welding accuracy and improving product yield. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of the high-frequency resistance welding equipment for decorative doors according to an embodiment of the present application.

[0014] Figure 2 This is a schematic structural diagram of a welding module of a high-frequency resistance welding device for decorative doors according to an embodiment of the present application.

[0015] Figure 3 This is a schematic structural diagram of a carrier module of a high-frequency resistance welding device for decorative doors according to an embodiment of the present application.

[0016] Figure 4 This is a schematic diagram of the internal structure of a carrier module of a high-frequency resistance welding device for decorative doors according to an embodiment of the present application.

[0017] Figure 5 This is a schematic structural diagram of the displacement module of the high-frequency resistance welding equipment for decorative doors according to an embodiment of the present application.

[0018] Figure 6 This is a schematic diagram of the structure of the product of an embodiment of the present application.

[0019] Marked in the figure are: welding module 1, carrier module 2, displacement module 3, transformer 4, second servo motor 5, second screw module 6, lifting drive cylinder 7, welding pressure head 8, first L-shaped pressure plate 9, carrier base plate 10, second L-shaped pressure plate 11, fifth pressure plate 12, third L-shaped pressure plate 13, sixth pressure plate 14, fourth L-shaped pressure plate 15, elbow clamp 16, first positioning block 17, second positioning block 18, third positioning block 19, fourth positioning block 20, fifth positioning block 21, sixth positioning block 22, seventh positioning block 23, lower electrode 24, product base plate 25, product parts 26, first screw module 27, first servo motor 28, linear slide rail 29. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0021] like Figure 1 As shown, the embodiment of the present application discloses a high-frequency resistance welding device for decorative doors, comprising a frame, in which a carrier module 2 and a displacement module 3 for driving the carrier module 2 to move horizontally along the X-axis are arranged, and a welding module 1 for welding the carrier product is arranged above the carrier module 2;

[0022] The carrier module 2 includes a carrier base plate 10 for preventing the product base plate 25, a plurality of lower electrodes 24 are arranged in the contour cavity, and the lower electrodes 24 correspond one-to-one to the product welding points. The carrier base plate 10 is provided with a plurality of positioning blocks for positioning the pressure plate and the product base plate 25, and also includes a plurality of pressing blocks for pressing on the top of the product base plate 25, and the positions of the pressing blocks correspond one-to-one to the positioning blocks. The side of the carrier base plate 10 is provided with an elbow clamp 16 for pressing the product parts 26 on the product base plate 25.

[0023] During specific work, the product base plate 25 is manually placed in the contoured cavity, and then the product part 26 is positioned on the product base plate 25 through the coordinated use of multiple pressure blocks, multiple positioning blocks and elbow clamps 16. Then the displacement module 3 drives the carrier module 2 to move to the bottom of the welding module 1, and the product part 26 is welded to the product base plate 25 through the welding module 1.

[0024] In this structure, the design of each pressing plate and positioning block can make it possible to accurately position and fix the product and the parts to be welded, and then drive the screw module to move through the servo motor to achieve precise movement of the product and the welding head, thereby ensuring welding accuracy and improving product yield.

[0025] Specifically, the actual product of this product is a decorative door, which includes a product base plate 25 and a product part 26 welded to the product base plate 25 .

[0026] In this embodiment, the positioning blocks include a first positioning block 17, a second positioning block 18, a third positioning block 19 and a fourth positioning block 20 respectively located at the four corners of the carrier bottom plate 10, a fifth positioning block 21 is provided on one side of the short side of the carrier bottom plate 10, and a sixth positioning block 22 is provided on one side of the long side of the carrier bottom plate 10;

[0027] The pressing plate includes a first L-shaped pressing plate 9 abutting against a first positioning block 17, a second L-shaped pressing plate 11 abutting against a second positioning block 18, a third L-shaped pressing plate 13 abutting against a third positioning block 19, and a fourth L-shaped pressing plate 15 abutting against a fourth positioning block 20, and notches are provided on opposite sides of the second L-shaped pressing plate 11 and the third L-shaped pressing plate 13, so that a plurality of parts can be positioned respectively between the first L-shaped pressing plate 9 and the second L-shaped pressing plate 11, between the first L-shaped pressing plate 9 and the fourth L-shaped pressing plate 15, and between the third L-shaped pressing plate 13 and the fourth L-shaped pressing plate 15;

[0028] It also includes a fifth pressing plate 12 and a sixth pressing plate 14. A first abutting protrusion is provided on one side of the fifth pressing plate 12. Inserting protrusions are provided at both ends of the fifth pressing plate 12. The inserting protrusions at both ends of the fifth pressing plate 12 are located in the gaps of the second L-shaped pressing plate 11 and the third L-shaped pressing plate 13. The first abutting protrusion on one side of the fifth pressing plate 12 abuts against the fifth positioning block 21, so that there is a gap for positioning the product part 26 between the fifth pressing plate 12 and the fifth positioning block 21. A second abutting protrusion is provided on the side of the sixth pressing block to abut against the side of the gap of the product part 26. One end of the sixth pressing block abuts against the third L-shaped pressing plate 13. It also includes a plurality of seventh positioning blocks 23 that can be inserted into the gaps of the product part 26.

[0029] The specific product assembly process is as follows: first place the product bottom plate 25 into the contoured cavity of the carrier bottom plate 10, then place the first L-shaped pressing plate 9, the second L-shaped pressing plate 11, the third L-shaped pressing plate 13 and the fourth L-shaped pressing plate 15 at the four corners, the first L-shaped pressing plate 9, the second L-shaped pressing plate 11, the third L-shaped pressing plate 13 and the fourth L-shaped pressing plate 15 are respectively abutted against the first positioning block 17, the second positioning block 18, the third positioning block 19 and the fourth positioning block 20, then place three long strips of parts so that the three long strips of parts are respectively located between the first L-shaped pressing plate 9 and the second L-shaped pressing plate 11, between the first L-shaped pressing plate 9 and the fourth L-shaped pressing plate 15, and between the third L-shaped pressing plate 13 and the fourth L-shaped pressing plate 15, then use the elbow clamp 16 to perform a clamping operation, then place the fifth pressing plate 12 so that the protrusions at both ends of the fifth pressing plate 12 are located in the gaps of the second L-shaped pressing plate 11 and the third L-shaped pressing plate 13 The first abutment protrusion on one side of the fifth pressure plate 12 abuts against the fifth positioning block 21, and then the fourth long strip part is placed. The fourth long strip part abuts between the second L-shaped pressure plate 11 and the third L-shaped pressure plate 13, and is pressed under the fifth pressure plate 12. Then the product part 26 installed on the fifth pressure plate 12 is placed in the gap between the fifth pressure plate 12 and the fifth positioning block 21. Then the sixth pressure plate 14 is placed. One end of the sixth pressure plate 14 abuts against the third L-shaped pressure plate 13, and one side of the sixth pressure plate 14 abuts against the sixth positioning block 22. The second abutment protrusion on the other side of the sixth pressure plate 14 extends into the long strip part to realize the re-positioning of the long strip part. At the same time, the long strip part has multiple gaps, and the seventh positioning blocks 23 can be respectively inserted into the gaps, so that the seventh positioning block 23 and the remaining cavity of the gap form a positioning cavity for the product part 26, and then the part is placed in the positioning cavity to realize the positioning of the part.

[0030] The design of the above structure can realize accurate positioning of the product bottom plate 25 and its parts, thereby ensuring the accuracy of subsequent welding.

[0031] In this embodiment, the displacement module 3 includes a first screw module 27 and a first servo motor 28 for driving the screw module to move. The driving end of the screw module is fixedly connected to the carrier module 2. Multiple linear slide rails 29 are arranged on both sides of the screw module. The bottom of the carrier module 2 is slidably connected to the multiple linear slide rails 29 through a slider.

[0032] Specifically, when the assembled product needs to be moved below the welding module 1 , the first servo motor 28 drives the first screw module 27 to move, so that the assembled product moves below the welding module 1 .

[0033] In this structure, a servo motor is used to drive the screw module to move, so that the precise movement of the product can be achieved. At the same time, through the design of multiple linear slide rails 29, the carrier module 2 can be made more stable during movement.

[0034] In this embodiment, the welding module 1 includes a frame, on which a second screw module 6 and a second servo motor 5 for driving the second screw module 6 to move are arranged. The driving end of the second screw module 6 is connected to a welding pressure head 8 and a lifting drive cylinder 7 for driving the welding pressure head 8 to perform lifting movement. When the second servo motor 5 drives the second screw module 6 to move, the welding pressure head 8 can move horizontally along the Y axis. A transformer 4 connected to the welding pressure head 8 is also arranged on the frame.

[0035] Specifically, when welding is performed, the second servo motor 5 drives the second screw module 6 to move, so that the welding pressure head 8 moves to the welding position, and the transformer 4 transmits the transformed current to the welding pressure head 8, and then the lifting drive cylinder 7 drives the welding pressure head 8 to press down and contact the product surface. With the use of the lower electrode 24, the current is transmitted to the product surface, flows through the contact surface of the workpiece to generate resistance heat, and applies pressure to weld the product. After welding one point, the upper and lower cylinders 7 drive the welding pressure head 8 to rise, and the second servo motor 5 drives the second screw module 6 to perform multi-point precise movement.

[0036] In this structure, a servo motor is used to drive the screw module to move, which can achieve multi-point precise welding of the product.

[0037] In this embodiment, a water cooling channel is provided in the lower electrode 24 , one end of the water cooling channel is a cooling water inlet, and the other end of the water cooling channel is a cooling water outlet.

[0038] In this mechanism, the lower electrode 24 can be made of copper, which can support the product and conduct electricity. At the same time, circulating water is used in the lower electrode 24 to cool down during operation, control the temperature of the product, and ensure that the welding quality meets the standards.

[0039] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-frequency resistance welding device for decorative doors, characterized in that: It comprises a frame, in which a carrier module (2) and a displacement module (3) for driving the carrier module (2) to move horizontally along an X-axis are arranged, and a welding module (1) for welding the carrier product is arranged above the carrier module (2); The carrier module (2) comprises a carrier base plate (10) for placing a product base plate (25), a plurality of lower electrodes (24) are arranged in the carrier base plate (10), and the lower electrodes (24) correspond one-to-one to the welding points of the product. The carrier base plate (10) is provided with a plurality of positioning blocks for positioning the pressure plate and the product base plate (25), and also comprises a plurality of pressing blocks for pressing on the top of the product base plate (25), and the positions of the pressing blocks correspond one-to-one to the positioning blocks. A toggle clamp (16) for pressing the product parts (26) onto the product base plate (25) is arranged on the side of the carrier base plate (10).

2. The high-frequency resistance welding equipment for decorative doors according to claim 1, characterized in that: The displacement module (3) comprises a first screw module (27) and a first servo motor (28) for driving the screw module to move; the driving end of the screw module is fixedly connected to the carrier module (2); a plurality of linear slide rails (29) are arranged on both sides of the screw module; and the bottom of the carrier module (2) is slidably connected to the plurality of linear slide rails (29) via a slider.

3. The high-frequency resistance welding equipment for decorative doors according to claim 1, characterized in that: The welding module (1) comprises a frame, on which a second screw module (6) and a second servo motor (5) for driving the second screw module (6) are arranged, the driving end of the second screw module (6) is connected to a welding pressure head (8) and a lifting drive cylinder (7) for driving the welding pressure head (8) to move up and down, when the second servo motor (5) drives the second screw module (6) to move, the welding pressure head (8) can move horizontally along the Y axis, and the frame is also provided with a transformer (4) connected to the welding pressure head (8).

4. The high-frequency resistance welding equipment for decorative doors according to claim 1, characterized in that: A water cooling channel is provided in the lower electrode (24), one end of the water cooling channel is a cooling water inlet, and the other end of the water cooling channel is a cooling water outlet.

5. The high-frequency resistance welding equipment for decorative doors according to claim 1, characterized in that: The positioning blocks include a first positioning block (17), a second positioning block (18), a third positioning block (19) and a fourth positioning block (20) respectively located at the four corners of the carrier bottom plate (10); a fifth positioning block (21) is arranged on one side of the short side of the carrier bottom plate (10); and a sixth positioning block (22) is arranged on one side of the long side of the carrier bottom plate (10); The pressure plate comprises a first L-shaped pressure plate (9) abutting against a first positioning block (17), a second L-shaped pressure plate (11) abutting against a second positioning block (18), a third L-shaped pressure plate (13) abutting against a third positioning block (19), and a fourth L-shaped pressure plate (15) abutting against a fourth positioning block (20); notches are provided on opposite sides of the second L-shaped pressure plate (11) and the third L-shaped pressure plate (13), so that a plurality of parts can be positioned respectively between the first L-shaped pressure plate (9) and the second L-shaped pressure plate (11), between the first L-shaped pressure plate (9) and the fourth L-shaped pressure plate (15), and between the third L-shaped pressure plate (13) and the fourth L-shaped pressure plate (15); It also includes a fifth pressing plate (12) and a sixth pressing plate (14), wherein a first abutting protrusion is provided on one side of the fifth pressing plate (12), and insertion protrusions are provided at both ends of the fifth pressing plate (12), and the insertion protrusions at both ends of the fifth pressing plate (12) are located in the notches of the second L-shaped pressing plate (11) and the third L-shaped pressing plate (13), and the first abutting protrusion on one side of the fifth pressing plate (12) abuts against the fifth positioning block (21), so that a notch for positioning the product part (26) is provided between the fifth pressing plate (12) and the fifth positioning block (21), and a second abutting protrusion abutting against the side of the notch of the product part (26) is provided on the side of the sixth positioning block (22), and one end of the sixth positioning block (22) abuts against the third L-shaped pressing plate (13), and also includes a plurality of seventh positioning blocks (23) that can be inserted into the notches of the product parts (26).

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