CN221065193U - Panel veneer bending and welding device - Google Patents

Abstract

The utility model discloses a plate bending and welding device, which comprises a bending lower die plate, a blank positioning block, a bending female die assembly, a male die assembly, a forming female die assembly and a welding gun; one end of the bending female die assembly penetrates through the bending lower die plate and is movably connected with the bending lower die plate; the blank positioning blocks are respectively positioned at two sides of the bending female die assembly and fixedly connected with the bending lower die plate; with the male die assembly as the center, the bending female die assembly is positioned below the male die assembly, a pair of forming female die assemblies are respectively positioned at two sides of the male die assembly, the welding gun is positioned above the male die assembly, and the female die assembly and the forming female die assembly enclose or are far away from the male die assembly. The plate bending and welding device disclosed by the utility model can solve the problem that the existing plate bending and welding mode is easy to misplace during splicing.

Description

Panel veneer bending and welding device

Technical Field

The utility model relates to the technical field of plate bending and welding, in particular to a plate bending and welding device.

Background

In the plate bending process, the known method is that the plate is bent by a bending machine, a stamping die and the like, then is put into a welding tool for splicing and welding, and better equipment is special equipment for manufacturing to perform edge bending and edge welding, but the problem of bending angle is easy to generate dislocation during splicing, so that the welding is broken or scrapped.

Disclosure of utility model

The technical problems to be solved by the utility model are as follows: the problems of welding breakage or plate scrapping caused by easy dislocation during splicing of the existing plate bending and welding modes are solved.

In order to solve the technical problems, the utility model provides the following technical scheme:

The plate bending and welding device comprises a bending lower die plate (100), a blank positioning block (200), a bending female die assembly (300), a male die assembly (400), a forming female die assembly (500) and a welding gun (600); one end of the bending female die assembly (300) penetrates through the bending lower die plate (100) and is movably connected with the bending lower die plate (100); the blank positioning blocks (200) are respectively positioned at two sides of the bending female die assembly (300) and fixedly connected with the bending lower die plate (100); with the male die assembly (400) as the center, the bending female die assembly (300) is positioned below the male die assembly (400), a pair of forming female die assemblies (500) are respectively positioned at two sides of the male die assembly (400), the welding gun (600) is positioned above the male die assembly (400), and the female die assembly (300) and the forming female die assemblies (500) are enclosed or far away from the male die assembly (400).

In one embodiment of the utility model, the bending die assembly (300) comprises a lower blanking ejector rod (310) and a lower bending die (320); one end of the lower pressing ejector rod (310) passes through the lower bending die plate (100) and is fixedly connected with the lower bending female die (320); the bending concave part (321) of the lower bending female die (320) faces the male die assembly (400).

In one embodiment of the utility model, the blank positioning block (200) is provided with a positioning groove (210); the locating slots (210) are located on opposite faces of a pair of blank locating blocks (200).

In one embodiment of the utility model, the punch assembly (400) includes an expansion mandrel (410), a first punch (420), and a second punch (430); the first male die (420) and the second male die (430) are respectively positioned at two sides of the expansion core rod (410) by taking the expansion core rod (410) as a center, and are connected with the first male die (420) and the second male die (430) in a dovetail groove mode.

In one embodiment of the utility model, the punch assembly (400) further comprises a first ejector cylinder (440), a second ejector cylinder (450), a pusher cylinder (460) and a pusher block (470); the output end of the first ejection cylinder (440) is positioned at the rear end of the first male die (420), the second ejection cylinder (450) is connected with the rear end of the second male die (430), the pushing block (470) is connected with the rear end of the expansion core rod (410), and the pushing cylinder (460) is connected with the pushing block (470).

In one embodiment of the utility model, the molding die assembly (500) includes a molding die (510) and a molding cylinder (520); the output end of the molding cylinder (520) is connected with the molding female die (510); the molding recess (511) of the molding die (510) faces the punch assembly (400).

In one embodiment of the utility model, the opposite sides (511) of the pair of molding dies (510) are provided with chamfer surfaces (512) with opposite chamfer angles.

Compared with the prior art, the utility model has the beneficial effects that: the plate is always bent and welded in the die, the welded plate is seamless and is not misplaced back and forth, the plate is pressed and welded in a mode that the bending die component and the forming die component enclose the male die component, the plate is not misplaced up and down, and the plate can be bent and welded rapidly and efficiently.

Drawings

Fig. 1 is a schematic diagram of a plate bending and welding device according to an embodiment of the utility model.

Fig. 2 is a schematic diagram of a plate bending and welding device at another angle according to an embodiment of the present utility model.

Detailed Description

In order to facilitate the understanding of the technical scheme of the present utility model by those skilled in the art, the technical scheme of the present utility model will be further described with reference to the accompanying drawings.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1, the present utility model provides a plate bending and welding device, which includes a bending lower die plate 100, a blank positioning block 200, a bending die assembly 300, a punch assembly 400, a forming die assembly 500 and a welding gun 600. One end of the bending die assembly 300 passes through the bending lower die plate 100 and is movably connected with the bending lower die plate 100. A pair of blank positioning blocks 200 are respectively positioned at two sides of the bending die assembly 300 and fixedly connected with the bending lower die plate 100. With the male die assembly 400 as a center, the bending female die assembly 300 is positioned below the male die assembly 400, a pair of forming female die assemblies 500 are respectively positioned at two sides of the male die assembly 400, the welding gun 600 is positioned above the male die assembly 400, and the female die assembly 300 and the forming female die assembly 500 enclose or are far away from the male die assembly 400.

Referring to fig. 1 and 2, in an embodiment of the present utility model, a positioning groove 210 is provided on the blank positioning block 200, and the positioning groove 210 is located on opposite sides of a pair of blank positioning blocks 200. Before bending and welding the plate 700, the plate 700 is first placed on the positioning grooves 210 on the pair of blank positioning blocks 200 and is located above the bending die assembly 300.

The bending die assembly 300 comprises a lower blanking ejector rod 310 and a lower bending die 320, wherein one end of the lower blanking ejector rod 310 passes through the lower bending die plate 100 and is fixedly connected with the lower bending die 320, and a bending concave portion 321 of the lower bending die 320 faces the male die assembly 400.

The punch assembly 400 includes an expansion mandrel 410, a first punch 420, a second punch 430, a first ejector cylinder 440, a second ejector cylinder 450, a pusher cylinder 460, and a pusher block 470. The first male mold 420 and the second male mold 430 are respectively positioned at both sides of the expansion core rod 410 with the expansion core rod 410 as a center, and are connected with the first male mold 420 and the second male mold 430 in a dovetail groove manner. The output end of the first ejector cylinder 440 is connected to the rear end of the first punch 420, the second ejector cylinder 450 is connected to the rear end of the second punch 430, the pusher block 470 is connected to the rear end of the expansion mandrel 410, and the pusher cylinder 460 is connected to the pusher block 470.

The molding die assembly 500 includes a molding die 510 and a molding cylinder 520, and an output end of the molding cylinder 520 is connected to the molding die 510. The molding recess 511 of the molding die 510 faces the punch assembly 400. The opposite sides 511 of the pair of molding dies 510 are provided with chamfer surfaces 512 of opposite chamfer angles to facilitate welding by the gun 600.

Wherein, the lower bending die plate 100 is detachably connected with a lower table surface of a special bending and welding machine (not shown in the figure), and the molding die assembly 500 reciprocates on a movable table surface of the special bending and welding machine to perform die assembly and die opening. The mandrel fixing plate 480 of the punch assembly 400 is fixed at the rear of the bending and welding machine and can move back and forth.

Referring to fig. 1 and 2, in an embodiment of the present utility model, a sheet 700 is placed on the positioning grooves 210 of the pair of blank positioning blocks 200 during bending welding. The lower stripper jack 310 ejects upward pushing the lower bending die 320 and the plate 700 toward the punch assembly 400 and forming a U-bend. The two forming cylinders 520 extend to push the forming die 510 toward the punch assembly 400 and wrap the sheet 700 around the punch assembly 400 with the lower bending die 320 to form a closed sheet with the formed weld at the top. The pushing cylinder 460 pressurizes to push the pushing block 470 forward, so that the closed plate is extruded and flattened, the first ejection cylinder 440 and the second ejection cylinder 450 eject, and respectively drive the first male die 420 and the second male die 430 to bend the female die 320 and the forming female die 510 downwards to extrude, and shape the plate 700. The welding gun 600 welds the bent plate 700 into an annular part along the weld.

After the welding is finished, the forming cylinder 520 drives the forming female die 510 to be far away from the male die assembly 400, the pressing ejector rod 310 descends to drive the bending female die 320 to be far away from the male die assembly 400, the first ejection cylinder 440 and the second ejection cylinder 450 retract, the welded plate 700 is loosened, and the welded plate 700 is taken out to finish one-time welding.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

The above-described embodiments merely represent embodiments of the utility model, the scope of the utility model is not limited to the above-described embodiments, and it is obvious to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims (7)

1. The plate bending and welding device is characterized by comprising a bending lower die plate (100), a blank positioning block (200), a bending female die assembly (300), a male die assembly (400), a forming female die assembly (500) and a welding gun (600); one end of the bending female die assembly (300) penetrates through the bending lower die plate (100) and is movably connected with the bending lower die plate (100); the blank positioning blocks (200) are respectively positioned at two sides of the bending female die assembly (300) and fixedly connected with the bending lower die plate (100); with the male die assembly (400) as the center, the bending female die assembly (300) is positioned below the male die assembly (400), a pair of forming female die assemblies (500) are respectively positioned at two sides of the male die assembly (400), the welding gun (600) is positioned above the male die assembly (400), and the female die assembly (300) and the forming female die assemblies (500) are enclosed or far away from the male die assembly (400).

2. The plate bending welding device according to claim 1, wherein the bending die assembly (300) comprises a lower press ram (310) and a lower bending die (320); one end of the lower pressing ejector rod (310) passes through the lower bending die plate (100) and is fixedly connected with the lower bending female die (320); the bending concave part (321) of the lower bending female die (320) faces the male die assembly (400).

3. The plate bending and welding device according to claim 1, wherein the blank positioning block (200) is provided with a positioning groove (210); the locating slots (210) are located on opposite faces of a pair of blank locating blocks (200).

4. The sheet bending and welding device of claim 1, wherein the punch assembly (400) includes an expansion mandrel (410), a first punch (420), and a second punch (430); the first male die (420) and the second male die (430) are respectively positioned at two sides of the expansion core rod (410) by taking the expansion core rod (410) as a center, and are connected with the first male die (420) and the second male die (430) in a dovetail groove mode.

5. The sheet bending and welding device of claim 4, wherein the punch assembly (400) further comprises a first ejector cylinder (440), a second ejector cylinder (450), a pusher cylinder (460), and a pusher block (470); the output end of the first ejection cylinder (440) is positioned at the rear end of the first male die (420), the second ejection cylinder (450) is connected with the rear end of the second male die (430), the pushing block (470) is connected with the rear end of the expansion core rod (410), and the pushing cylinder (460) is connected with the pushing block (470).

6. The sheet bending and welding device of claim 1, wherein the forming die assembly (500) includes a forming die (510) and a forming cylinder (520); the output end of the molding cylinder (520) is connected with the molding female die (510); the molding recess (511) of the molding die (510) faces the punch assembly (400).

7. The bending and welding apparatus as set forth in claim 6, wherein the pair of said forming dies (510) are provided with opposite sides (511) having opposite chamfer angles (512).