Automatic welding device and method for filter umbrella

Abstract

The present invention relates to the technical field of umbrella production equipment, and in particular to an automatic welding device and method for a filter umbrella. The automatic welding device for a filter umbrella comprises a welding station, a welding mechanism, a clamping mechanism, and a driving mechanism. The welding mechanism comprises a first welding piece and a second welding piece for welding a joint surface; the clamping mechanism comprises a clamping jaw assembly and a rotating shaft, and the clamping jaw assembly comprises a first clamping jaw and a second clamping jaw, and the first clamping jaw and the second clamping jaw are respectively rotatably connected to the rotating shaft and arranged on both sides of the rotating shaft; the top of the first clamping jaw and the top of the second clamping jaw are tightly fitted, the first welding piece is arranged at the bottom of the first clamping jaw, and the second welding piece is arranged at the bottom of the second clamping jaw, and there is a space between the first welding piece and the second welding piece to accommodate the joint surface. The present invention realizes automated production and improves the production efficiency of umbrella surfaces.

Description

Technical Field

[0001] The invention relates to the technical field of umbrella production equipment, in particular to an automatic welding device and method for a filtering umbrella. Background Art

[0002] Umbrellas, as daily necessities, are one of the most frequently used tools. With the advancement of technology, umbrellas made of new materials are widely praised, especially umbrellas made of plastic cloth, which reduces production costs. Traditionally, two or more pieces of umbrella cloth are sewn together mostly by needle and thread, which wastes a lot of human resources and is inefficient. In recent years, technicians have gradually adopted the more efficient ultrasonic method to sew and weld the cloth. This method is more efficient and saves a lot of labor. Summary of the invention

[0003] The main purpose of the present invention is to overcome the shortcomings of the prior art and provide a filter umbrella automatic welding device and method.

[0004] To achieve the above purpose, the technical solution adopted by the present invention is as follows:

[0005] A filter umbrella automatic welding device, comprising:

[0006] A welding station is used to place umbrella surface pieces for welding. Several umbrella surface pieces are placed to form an unfolded umbrella surface, and adjacent edges of two adjacent umbrella surface pieces form a joint surface.

[0007] A welding mechanism, comprising a first welding piece and a second welding piece for welding the joint surfaces;

[0008] The clamping mechanism comprises a clamping jaw assembly and a rotating shaft, wherein the clamping jaw assembly comprises a first clamping jaw and a second clamping jaw, wherein the first clamping jaw and the second clamping jaw are respectively rotatably connected to the rotating shaft and are arranged on both sides of the rotating shaft; the tops of the first clamping jaw and the second clamping jaw are closely fitted, the first welding piece is arranged at the bottom of the first clamping jaw, the second welding piece is arranged at the bottom of the second clamping jaw, and there is a space between the first welding piece and the second welding piece for accommodating a joint surface;

[0009] The driving mechanism is arranged above the clamping mechanism. The driving mechanism is connected with a cutting plate. The driving mechanism drives the cutting plate to move to open the top of the first clamp and the second clamp, so that the first clamp and the second clamp respectively drive the first welding piece and the second welding piece to move inward until the joint surface is clamped between the first welding piece and the second welding piece.

[0010] Furthermore, the driving mechanism adopts a cylinder, the cutting plate is connected to the piston rod of the cylinder, the cutting plate is in a rectangular block structure, and both sides of the bottom of the cutting plate form oblique surfaces that are inclined upward toward the outside.

[0011] Furthermore, the first jaw and the second jaw are in an arc-shaped structure protruding toward both sides; the first jaw and the second jaw are respectively provided with a first magnetic rotating body and a second magnetic rotating body at the top, and the first magnetic rotating body and the second magnetic rotating body are attracted and fit together; the cutting plate moves downward to separate the first magnetic rotating body and the second magnetic rotating body.

[0012] Furthermore, the cutting plate is made of iron, and the cutting plate moves downward to separate the first magnetic rotating body and the second magnetic rotating body, and the first magnetic rotating body and the second magnetic rotating body are attached to the cutting plate; the cutting plate moves upward, the first magnetic rotating body and the second magnetic rotating body are magnetically connected to the cutting plate by rolling, and the first magnetic rotating body and the second magnetic rotating body are attracted and attached to each other as the cutting plate leaves.

[0013] Furthermore, the jaw assembly is provided with two groups, the two jaw assemblies are arranged at intervals, and the two jaw assemblies are respectively rotatably connected to the rotating shaft; the first welding plate is arranged at the bottom of the first jaw of the two jaw assemblies, and the second welding plate is arranged at the bottom of the second jaw of the two jaw assemblies.

[0014] Furthermore, a fixing plate extending along the length direction is respectively provided on one side of the first welding piece and the second welding piece, and the fixing plates are respectively set at an angle to the first welding piece and the second welding piece, and the bottom of the first clamp is connected between the fixing plate and the first welding piece, and the bottom of the second clamp is connected between the fixing plate and the second welding piece.

[0015] Furthermore, it also includes a base, which is arranged on one side of the welding station; the clamping mechanism also includes a mounting frame, which is arranged at one end of the base facing the welding station, and the mounting frame is provided with a mounting cavity that penetrates on both sides and opens toward the bottom surface, the rotating shaft is fixed on the mounting frame, and the clamping claw assembly is arranged in the mounting cavity through the rotating shaft; the driving mechanism is arranged above the mounting frame, and the top of the mounting frame is provided with a long hole, and the cutting plate can move toward the mounting cavity through the long hole.

[0016] Furthermore, a displacement mechanism is provided at the bottom of the base, and the displacement mechanism includes a slide, a driving motor, a screw, a nut seat, and a skateboard, and the base is installed on the skateboard; the slide is provided with a groove which is recessed downward and open at both ends, and guide rails extending along the length direction are provided on both sides of the top surface of the slide, the screw is arranged in the groove, and the nut seat is threadedly connected to the screw; sliders cooperating with the guide rails are provided at both ends of the bottom of the skateboard, and the bottom surface of the skateboard is connected to the nut seat; the screw is installed on the rotating shaft of the driving motor, and the driving motor drives the screw to drive the skateboard to move through the nut seat, thereby driving the base and the welding mechanism to move toward the welding station.

[0017] Furthermore, the welding station includes an umbrella canopy mold table and a rotating mechanism, the rotating mechanism is connected to the umbrella canopy mold table to drive the umbrella canopy mold table to rotate around its own axis; the umbrella canopy mold table includes a plurality of mounting seats arranged in a circle around the axis, the mounting seats are narrow at the top and wide at the bottom, each mounting seat is inclined upward toward the axis, and each mounting seat is connected in sequence to form an unfolded umbrella canopy; vertical plates perpendicular to the mounting seats are provided on both sides of the mounting seats, the vertical plates of two adjacent mounting seats are tightly fitted, and the two sides of the umbrella canopy pieces arranged on the mounting seats are respectively fitted with corresponding vertical plates, and the two sides of each umbrella canopy piece extend outward from the vertical plates, so that each joint surface is located on the outside of the vertical plates; the rotating mechanism drives the umbrella canopy mold table to rotate, so that each joint surface is rotated in sequence to the welding mechanism for welding.

[0018] A welding method for a filter umbrella automatic welding device, the method steps are as follows:

[0019] Step 1: Place a plurality of umbrella sheets on a welding station, with the joint surface formed by the adjacent edges of two adjacent umbrella sheets facing outward; the top of the first clamping jaw is attracted and fitted with the top of the second clamping jaw, and the bottom of the first clamping jaw is in an open and closed state, so that there is a space between the first welding piece and the second welding piece to accommodate the joint surface;

[0020] Step 2: The welding mechanism moves toward the welding station until a joint surface is located between the first welding piece and the second welding piece; the driving mechanism drives the cutting plate to move from the top of the clamping jaw assembly to between the first clamping jaw and the second clamping jaw to open the top of the first clamping jaw and the second clamping jaw. At this time, the first clamping jaw and the second clamping jaw rotate around the rotating shaft to make the bottom of the first clamping jaw and the second clamping jaw move inward, thereby driving the first welding piece and the second welding piece to move inward until the joint surface is clamped between the first welding piece and the second welding piece;

[0021] In step three, the first welding piece and the second welding piece are ultrasonically welded to the joint surface; after welding is completed, the driving mechanism drives the cutting plate to move upward, and the tops of the first jaw and the second jaw are respectively adsorbed on the cutting plate, and as the cutting plate moves, the tops of the first jaw and the second jaw are respectively magnetically attracted to the cutting plate. When the cutting plate moves to leave the first jaw and the second jaw, the tops of the first jaw and the second jaw are attracted and fit together, and the first jaw and the second jaw rotate around the rotation axis to move the bottoms of the first jaw and the second jaw outward, thereby driving the first welding piece and the second welding piece to move outward respectively to leave the joint surface.

[0022] It can be seen from the above description of the present invention that, compared with the prior art, the present invention has the following beneficial effects:

[0023] The present invention adopts a welding mechanism in conjunction with an umbrella mold table to realize automated production and improve production efficiency; a clamping mechanism is set to cooperate with a first welding piece and a second welding piece to realize clamping welding of the first welding piece and the second welding piece on the joint surface; the setting of the clamping mechanism and the driving mechanism can better control the accuracy and reliability of clamping the first welding piece and the second welding piece on the joint surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the automatic welding device for filter umbrella of the present invention.

[0025] Figure 2 It is a partial schematic diagram of the automatic welding device for filter umbrella of the present invention.

[0026] Figure 3 It is a partial schematic diagram of the automatic welding device for filter umbrella of the present invention.

[0027] Figure 4 It is a cross-sectional view of the top of the clamping jaw assembly of the present invention.

[0028] Figure 5 It is a cross-sectional view of the cutting plate cutting into the clamping jaw assembly of the present invention.

[0029] Figure 6 It is a schematic diagram of the overall structure of the clamping jaw assembly of the present invention.

[0030] In the figure: 1. umbrella mold table, 11. mounting seat, 12. vertical plate, 2. rotating mechanism, 3. welding mechanism, 31. first welding plate, 32. second welding plate, 33. fixing plate, 4. clamping mechanism, 41. clamping jaw assembly, 411. first clamping jaw, 412. second clamping jaw, 413. first buckle, 414. second buckle, 415. first magnetic rotating body, 416. second magnetic rotating body, 42. rotating shaft, 43. mounting frame, 431. long hole, 5. driving mechanism, 6. cutting plate, 7. base, 8. displacement mechanism, 81. sliding seat, 82. driving motor, 83. screw rod, 84. nut seat, 85. slide plate, 86. guide rail, 87. slider, 9. joint surface. DETAILED DESCRIPTION

[0031] The present invention is further described below through specific implementation modes.

[0032] Reference Figures 1 to 6 The invention discloses an automatic welding device for filtering umbrella, comprising an umbrella mold table 1, a rotating mechanism 2, a welding mechanism 3, a clamping mechanism 4, a driving mechanism 5, a cutting plate 6, a base 7, a displacement mechanism 8, and a joint surface 9.

[0033] The welding station is used to place umbrella surface pieces for welding. Several umbrella surface pieces are placed to form an umbrella surface unfolding shape, and adjacent edges of two adjacent umbrella surface pieces form a joint surface 9; the welding station includes an umbrella surface mold table 1 and a rotating mechanism 2. The rotating mechanism 2 is connected to the umbrella surface mold table 1 to drive the umbrella surface mold table 1 to rotate around its own axis; the umbrella surface mold table 1 includes a plurality of mounting seats 11 arranged in a ring around the axis, the mounting seats 11 are narrow at the top and wide at the bottom, and each mounting seat 11 is inclined upward toward the axis, and each mounting seat 11 is connected in sequence to form an umbrella surface unfolding shape; vertical plates 12 perpendicular to the mounting seats 11 are arranged on both sides of the mounting seats 11, and the vertical plates 12 of two adjacent mounting seats 11 are closely fitted, and the two sides of the umbrella surface pieces arranged on the mounting seats 11 are respectively fitted with the corresponding vertical plates 12, and the two sides of each umbrella surface piece extend the vertical plates 12 outward, so that each joint surface 9 is located outside the vertical plates 12; the rotating mechanism 2 drives the umbrella surface mold table 1 to rotate, so that each joint surface 9 is rotated to the welding mechanism 3 in sequence for welding. The structure design of the umbrella mold table 1 can be used to place umbrella sheets, and cooperate with the welding mechanism 3 to facilitate welding. The umbrella mold table 1 rotates intermittently, driving each joint surface 9 to be welded at the welding mechanism 3, thereby improving production efficiency.

[0034] The welding mechanism 3 includes a first welding piece 31 and a second welding piece 32 for welding the joint surface 9; the clamping mechanism 4 includes a clamping jaw assembly 41 and a rotating shaft 42, the clamping jaw assembly 41 includes a first clamping jaw 411 and a second clamping jaw 412, the first clamping jaw 411 and the second clamping jaw 412 are respectively rotatably connected to the rotating shaft 42 and are arranged on both sides of the rotating shaft 42; the first clamping jaw 411 and the second clamping jaw 412 are closely attached to the top of the second clamping jaw 412, the first welding piece 31 is arranged at the bottom of the first clamping jaw 411, and the second welding piece 32 is arranged at the bottom of the first clamping jaw 411. At the bottom of the two clamping jaws 412, there is a space between the first welding piece 31 and the second welding piece 32 to accommodate the joining surface 9; the driving mechanism 5 is arranged above the clamping mechanism 4, and the driving mechanism 5 is connected to a cutting plate 6, and the driving mechanism 5 drives the cutting plate 6 to move to open the top of the first clamping jaw 411 and the second clamping jaw 412, so that the first clamping jaw 411 and the second clamping jaw 412 respectively drive the first welding piece 31 and the second welding piece 32 to move inward until the joining surface 9 is clamped between the first welding piece 31 and the second welding piece 32.

[0035] The cutting plate 6 is made of iron; the first clamping jaw 411 and the second clamping jaw 412 are in an arc-shaped structure protruding toward both sides; the first clamping jaw 411 is provided with two first buckle rings 413 arranged at intervals toward the inside, and the second clamping jaw 412 is provided with a second buckle ring 414 at the middle position toward the inside, and the second buckle ring 414 is arranged between the two first buckle rings 413, and the rotating shaft 42 passes through the first buckle ring 413 and the second buckle ring 414, so that the first clamping jaw 411 and the second clamping jaw 412 are rotatably connected to the rotating shaft 42 and are arranged on both sides of the rotating shaft 42; the tops of the first clamping jaw 411 and the second clamping jaw 412 are respectively A first magnetic rotating body 415 and a second magnetic rotating body 416 are provided, and the first magnetic rotating body 415 and the second magnetic rotating body 416 are attracted and fitted to each other; the cutting plate 6 moves downward to separate the first magnetic rotating body 415 and the second magnetic rotating body 416, and the first magnetic rotating body 415 and the second magnetic rotating body 416 are attached to the cutting plate 6; the cutting plate 6 moves upward, and the first magnetic rotating body 415 and the second magnetic rotating body 416 are magnetically connected to the cutting plate 6 in a rolling manner, and the first magnetic rotating body 415 and the second magnetic rotating body 416 are attracted and fitted to each other as the cutting plate 6 leaves; the driving mechanism 5 adopts The cutting plate 6 is connected to the piston rod of the cylinder. The cutting plate 6 is a rectangular block structure. The two sides of the bottom of the cutting plate 6 form an oblique cut surface that is inclined upward toward the outside. The oblique cut surface of the cutting plate 6 and the attraction between the cutting plate 6 and the first magnetic rotating body 415 and the second magnetic rotating body 416 can better cooperate with the clamping jaw assembly 41 to separate or attract the top of the first clamping jaw 411 and the second clamping jaw 412. The clamping jaw assembly 41 is provided with two groups, and the two clamping jaw assemblies 41 are arranged at intervals, and the two clamping jaw assemblies 41 are respectively rotatably connected to the rotating shaft 42; the first welding piece 31 is arranged on the two clamping jaw assemblies 41 At the bottom of the first clamping jaw 411, the second welding piece 32 is arranged at the bottom of the second clamping jaw 412 of the two-jaw assembly 41; one side of the first welding piece 31 and the second welding piece 32 is respectively provided with a fixing plate 33 extending along the length direction, and the fixing plate 33 is respectively arranged at an angle to the first welding piece 31 and the second welding piece 32, the bottom of the first clamping jaw 411 is connected and arranged between the fixing plate 33 and the first welding piece 31, and the bottom of the second clamping jaw 412 is connected and arranged between the fixing plate 33 and the second welding piece 32; the arrangement of the fixing plate 33 makes the connection between the clamping jaw assembly 41 and the first welding piece 31, the second welding piece 32 more secure.

[0036] The base 7 is arranged on one side of the welding station; the clamping mechanism 4 also includes a mounting frame 43, which is arranged at one end of the base 7 facing the welding station, and the mounting frame 43 is provided with a mounting cavity that passes through both sides and opens toward the bottom surface, the rotating shaft 42 is fixed on the mounting frame 43, and the clamping jaw assembly 41 is arranged in the mounting cavity through the rotating shaft 42; the driving mechanism 5 is arranged above the mounting frame 43, and the top of the mounting frame 43 is provided with an elongated hole 431, the cutting plate 6 can move toward the mounting cavity through the elongated hole 43, and the elongated hole 431 can limit the cutting plate 6 to cut more accurately between the first clamping jaw 411 and the second clamping jaw 412.

[0037] The displacement mechanism 8 is arranged at the bottom of the base 7. The displacement mechanism 8 includes a slide 81, a drive motor 82, a screw 83, a nut seat 84, and a slide plate 85. The base 7 is installed on the slide plate 85; the slide 81 is provided with a groove which is concave downward and open towards both ends. Guide rails 86 extending along the length direction are arranged on both sides of the top surface of the slide 81. The screw 83 is arranged in the groove, and the nut seat 84 is threadedly connected with the screw 83; sliders 87 cooperating with the guide rails 86 are arranged at both ends of the bottom of the slide plate 85, and the bottom surface of the slide plate 85 is connected with the nut seat 84; the screw 83 is installed on the rotating shaft of the drive motor 82, and the drive motor 82 drives the screw 83 to drive the slide plate 85 to move through the nut seat 84, thereby driving the base 7 and the welding mechanism 3 to move toward the welding station.

[0038] The working principle of this filter umbrella automatic welding device is as follows:

[0039] Step 1: Place a plurality of umbrella sheets on the welding station, with the joint surface 9 formed by the adjacent edges of two adjacent umbrella sheets facing outward; in the initial state of the clamping mechanism 4 and the welding mechanism 3, the top of the first clamping jaw 411 and the top of the second clamping jaw 412 are attracted and fitted, and the bottom of the first clamping jaw 411 and the bottom of the second clamping jaw 412 are in an open and closed state, so that there is a space between the first welding piece 31 and the second welding piece 32 to accommodate the joint surface 9;

[0040] Step 2: The displacement mechanism 8 drives the base 7 to move toward the welding station, and then drives the welding mechanism 3 to move toward the welding station until a joint surface 9 is located between the first welding piece 31 and the second welding piece 32; the driving mechanism 5 drives the cutting plate 6 to move from the top of the clamping jaw assembly 41 to between the first clamping jaw 411 and the second clamping jaw 412, so as to open the top of the first clamping jaw 411 and the second clamping jaw 412. At this time, the first clamping jaw 411 and the second clamping jaw 412 rotate around the rotating shaft 42, so that the bottom of the first clamping jaw 411 and the second clamping jaw 412 move inwardly, thereby driving the first welding piece 31 and the second welding piece 32 to move inwardly until the joint surface 9 is clamped between the first welding piece 31 and the second welding piece 32;

[0041] Step three, the first welding piece 31 and the second welding piece 32 perform ultrasonic welding on the joint surface 9; after welding is completed, the driving mechanism 5 drives the cutting plate 6 to move upward, and the tops of the first clamping jaw 411 and the second clamping jaw 412 are respectively adsorbed on the cutting plate 6, and as the cutting plate 6 moves, the tops of the first clamping jaw 411 and the second clamping jaw 412 are respectively rolled and magnetically attracted to the cutting plate 6, and when the cutting plate 6 moves to leave the first clamping jaw 411 and the second clamping jaw 412, the tops of the first clamping jaw 411 and the second clamping jaw 412 are attracted and fit together, and the first clamping jaw 411 and the second clamping jaw 412 rotate around the rotating shaft 42, so that the bottoms of the first clamping jaw 411 and the second clamping jaw 412 move outward, thereby driving the first welding piece 31 and the second welding piece 32 to move outward respectively to leave the joint surface 9;

[0042] In step 4, the displacement mechanism 8 drives the welding mechanism 3 to move away from the welding station, and the rotating mechanism 2 drives the umbrella mold table 1 to rotate, so that the unwelded joint surface 9 rotates to the position corresponding to the welding mechanism 3, and the displacement mechanism 8 drives the welding mechanism 3 to move toward the welding station, and repeats the welding process of steps 2 and 3 above.

[0043] The above is only a specific implementation of the present invention, but the design concept of the present invention is not limited to this. Any non-substantial changes to the present invention using this concept shall be deemed as an infringement of the protection scope of the present invention.

Claims

1. A filter umbrella automatic welding device, characterized in that: include A welding station is used to place umbrella surface pieces for welding. Several umbrella surface pieces are placed to form an unfolded umbrella surface, and adjacent edges of two adjacent umbrella surface pieces form a joint surface. A welding mechanism, comprising a first welding piece and a second welding piece for welding the joint surfaces; The clamping mechanism comprises a clamping jaw assembly and a rotating shaft, wherein the clamping jaw assembly comprises a first clamping jaw and a second clamping jaw, wherein the first clamping jaw and the second clamping jaw are respectively rotatably connected to the rotating shaft and are arranged on both sides of the rotating shaft; the tops of the first clamping jaw and the second clamping jaw are closely fitted, the first welding piece is arranged at the bottom of the first clamping jaw, the second welding piece is arranged at the bottom of the second clamping jaw, and there is a space between the first welding piece and the second welding piece for accommodating a joint surface; A driving mechanism is arranged above the clamping mechanism, and a cutting plate is connected to the driving mechanism. The driving mechanism drives the cutting plate to move to open the top of the first clamping jaw and the second clamping jaw, so that the first clamping jaw and the second clamping jaw respectively drive the first welding piece and the second welding piece to move inwards to clamp the joint surface between the first welding piece and the second welding piece; The welding station includes an umbrella canopy mold table and a rotating mechanism, which is connected to the umbrella canopy mold table to drive the umbrella canopy mold table to rotate around its own axis; the umbrella canopy mold table includes a plurality of mounting seats arranged in a ring around the axis, the mounting seats are narrow at the top and wide at the bottom, and each mounting seat is inclined upward toward the axis, and each mounting seat is connected in sequence to form an unfolded umbrella canopy; vertical plates perpendicular to the mounting seats are provided on both sides of the mounting seats, and the vertical plates of two adjacent mounting seats are closely fitted, and the two sides of the umbrella canopy pieces arranged on the mounting seats are respectively fitted with the corresponding vertical plates, and the two sides of each umbrella canopy piece extend outward from the vertical plates, so that each joint surface is located on the outside of the vertical plates; the rotating mechanism drives the umbrella canopy mold table to rotate, so that each joint surface is rotated in sequence to the welding mechanism for welding.

2. The filter umbrella automatic welding device according to claim 1, characterized in that: The driving mechanism adopts a cylinder, the cutting plate is connected to the piston rod of the cylinder, the cutting plate is in a rectangular block structure, and two sides of the bottom of the cutting plate form oblique cutting surfaces that are inclined upward toward the outside.

3. The filter umbrella automatic welding device according to claim 1, characterized in that: The first clamp and the second clamp are in an arc-shaped structure protruding toward both sides; a first magnetic rotating body and a second magnetic rotating body are respectively provided on the top of the first clamp and the second clamp, and the first magnetic rotating body and the second magnetic rotating body are attracted and fitted to each other; the cutting plate moves downward to separate the first magnetic rotating body and the second magnetic rotating body.

4. The filter umbrella automatic welding device according to claim 3 is characterized in that: The cutting plate is made of iron, and the cutting plate moves downward to separate the first magnetic rotating body from the second magnetic rotating body, and the first magnetic rotating body and the second magnetic rotating body are attached to the cutting plate; the cutting plate moves upward, the first magnetic rotating body and the second magnetic rotating body are magnetically attracted to each other when they roll with the cutting plate, and the first magnetic rotating body and the second magnetic rotating body are attracted to each other and fit together as the cutting plate leaves.

5. The filter umbrella automatic welding device according to claim 1, characterized in that: The clamping jaw assembly is provided with two groups, the two clamping jaw assemblies are arranged at intervals, and the two clamping jaw assemblies are respectively rotatably connected to the rotating shaft; the first welding piece is arranged at the bottom of the first clamping jaw of the two clamping jaw assemblies, and the second welding piece is arranged at the bottom of the second clamping jaw of the two clamping jaw assemblies.

6. The filter umbrella automatic welding device according to claim 1, characterized in that: A fixing plate extending along the length direction is respectively provided on one side of the first welding piece and the second welding piece, and the fixing plate is respectively set at an angle to the first welding piece and the second welding piece. The bottom of the first clamp is connected between the fixing plate and the first welding piece, and the bottom of the second clamp is connected between the fixing plate and the second welding piece.

7. The filter umbrella automatic welding device according to claim 1, characterized in that: It also includes a base, which is arranged on one side of the welding station; the clamping mechanism also includes a mounting frame, which is arranged at one end of the base facing the welding station, and the mounting frame is provided with a mounting cavity that passes through both sides and opens toward the bottom surface, the rotating shaft is fixed on the mounting frame, and the clamping claw assembly is arranged in the mounting cavity through the rotating shaft; the driving mechanism is arranged above the mounting frame, and the top of the mounting frame is provided with an elongated hole, and the cutting plate can move toward the mounting cavity through the elongated hole.

8. The filter umbrella automatic welding device according to claim 7, characterized in that: A displacement mechanism is provided at the bottom of the base, and the displacement mechanism includes a slide, a driving motor, a screw, a nut seat, and a slide plate, and the base is installed on the slide plate; the slide plate is provided with a groove which is concave downward and open towards both ends, and guide rails extending along the length direction are provided on both sides of the top surface of the slide plate, the screw rod is arranged in the groove, and the nut seat is threadedly connected with the screw rod; sliders cooperating with the guide rails are provided at both ends of the bottom of the slide plate, and the bottom surface of the slide plate is connected with the nut seat; the screw rod is installed on the rotating shaft of the driving motor, and the driving motor drives the screw rod to drive the slide plate to move through the nut seat, thereby driving the base and the welding mechanism to move toward the welding station.

9. A welding method for a filter umbrella automatic welding device, characterized in that: Based on the filter umbrella automatic welding device according to any one of claims 1 to 8, the method steps are as follows: Step 1: Place a plurality of umbrella sheets on a welding station, with the joint surface formed by the adjacent edges of two adjacent umbrella sheets facing outward; the top of the first clamping jaw is attracted and fitted with the top of the second clamping jaw, and the bottom of the first clamping jaw is in an open and closed state, so that there is a space between the first welding piece and the second welding piece to accommodate the joint surface; Step 2: The welding mechanism moves toward the welding station until a joint surface is located between the first welding piece and the second welding piece; the driving mechanism drives the cutting plate to move from the top of the clamping jaw assembly to between the first clamping jaw and the second clamping jaw to open the top of the first clamping jaw and the second clamping jaw. At this time, the first clamping jaw and the second clamping jaw rotate around the rotating shaft to make the bottom of the first clamping jaw and the second clamping jaw move inward, thereby driving the first welding piece and the second welding piece to move inward until the joint surface is clamped between the first welding piece and the second welding piece; In step three, the first welding piece and the second welding piece are ultrasonically welded to the joint surface; after welding is completed, the driving mechanism drives the cutting plate to move upward, and the tops of the first jaw and the second jaw are respectively adsorbed on the cutting plate, and as the cutting plate moves, the tops of the first jaw and the second jaw are respectively magnetically attracted to the cutting plate. When the cutting plate moves to leave the first jaw and the second jaw, the tops of the first jaw and the second jaw are attracted and fit together, and the first jaw and the second jaw rotate around the rotation axis to move the bottoms of the first jaw and the second jaw outward, thereby driving the first welding piece and the second welding piece to move outward respectively to leave the joint surface.

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