Portable sheet metal part trimming and bending clamp

Abstract

The utility model relates to the technical field of trimming of mechanical sheet metal parts, and provides a portable trimming and bending clamp for sheet metal parts, which aims at solving the problems that the sheet metal parts can shrink when being bent, various matched special bending dies are needed especially for sheet metal bending parts with inclined bending lines, the processing cost is high, and the processing period is long. An adjustable fixing pressing plate used for fixing a sheet metal part and a replaceable die are arranged at the top of the top plate, the rotating plate rotates around the rotating shaft, the sheet metal bending pressing plate adjusts the position of the bending working face of the sheet metal bending pressing plate through an adjusting assembly, and the sheet metal bending pressing plate is arranged above the top plate. The tail end of the adjusting assembly of the rotating plate is fixedly connected with the rotating handle used for pushing the rotating plate to rotate, the rotating handle is pushed to enable a sheet metal part to be bent according to the shape and the angle of a selected mold, and sheet metal workpieces with different thicknesses can be trimmed only by adjusting the two adjusting assemblies. And bending at different angles is realized by utilizing the configured dies with different bending angles.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical sheet metal part finishing technical field more specifically, relate to a portable sheet metal part finishing bending fixture. BACKGROUND

[0002] Bending equipment as important equipment in metal processing industry is mainly used for bending metal plate parts according to the angle and shape required, with the rapid development of manufacturing industry, the processing requirement of various sheet metal parts is more and more, such as small batch small size large angle sheet metal part processing, the fixing problem of bending equipment in the bending process of sheet metal part, the fixture needs to be used to fix the sheet metal part in the bending process to prevent the workpiece from falling off in the bending process. Due to the shrinkage phenomenon of sheet metal part during bending, especially for the sheet metal bending parts with inclined bending line, various special bending dies need to be invested, the processing cost is high, the processing cycle is long, and the operators need to be trained and examined before they can work, which has high operation technical requirements for operators, the bending equipment also involves regular maintenance, repair and maintenance, which is not conducive to reducing the production cost of enterprises. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model aims at providing a portable sheet metal part finishing bending fixture, which is mainly used for sheet metal part finishing bending, and the sheet metal workpiece is fixed by the sheet metal fixing pressing plate and the die, and the sheet metal workpiece to be finished is pushed to realize bending according to the shape and angle of the die by using the rotating handle that can rotate between the top plate and the bottom plate, so that the fixture can be suitable for sheet metal workpieces of different thicknesses without the need for correction.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A portable sheet metal part finishing bending fixture, comprising a top plate, a bottom plate and a rotating plate, the top plate and the bottom plate are fixedly connected through a rotating shaft, the top plate top is equipped with adjustable fixed pressing plate and replaceable die for fixing sheet metal part, and the fixed pressing plate is adjusted through the adjusting assembly and the interval of the die;The rotating plate is provided with a through hole, and the rotating shaft passes through the through hole to make the rotating plate rotate around the rotating shaft, the side of the rotating plate facing the top plate is provided with a sheet metal bending pressing plate, the position of the bending working surface of the sheet metal bending pressing plate is adjusted through the adjusting assembly, and the sheet metal bending pressing plate is arranged above the top plate, and a rotating handle for pushing the rotating plate to rotate is fixedly connected at the end of the adjusting assembly of the rotating plate.

[0006] Further, the adjusting assembly comprises a fixed block, an adjusting rod and a connecting block, the fixed block is fixedly connected on the working panel, the adjusting rod passes through the fixed block, one end of the adjusting rod is connected with the connecting block, and the other end is connected with the adjusting handle;The end of the connecting block away from the adjusting rod is fixedly connected with the pressing plate in contact with the sheet metal part.

[0007] Further, the adjusting assembly further comprises a second fixing block for adjusting the height of the fixing block, and the second fixing block is arranged at the bottom of the fixing block.

[0008] Further, a transition bearing is arranged between the rotating plate and the rotating shaft.

[0009] Further, the mold comprises a plurality of mold blocks of different specifications and shapes, and each mold block is provided with a plurality of fixing holes for fixing the mold on the top plate.

[0010] Further, the bottom plate is provided with a plurality of fixing holes, and the number of the fixing holes is not less than 2.

[0011] In summary, the present application has the following beneficial effects:

[0012] The present application sets the rotating plate between the top plate and the bottom plate, and utilizes the working principle of the rotating bending to drive the rotating handle to rotate the rotating plate around the rotating shaft, and to drive the metal sheet workpiece to be bent according to the selected mold shape and angle, so that the metal sheet workpiece of different thicknesses can be bent by adjusting two adjusting assemblies, and the mold of different bending angles is configured to realize the bending of different angles, and the present application has the advantages of simple structure, convenient use, low operation requirement for the operator, and low production cost of enterprises. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The figure is a structural schematic view of the present application;

[0014] Figure 2 The figure is a schematic view of the present application before the metal sheet workpiece is bent;

[0015] Figure 3 The figure is a schematic view of the present application in the process of bending the metal sheet workpiece;

[0016] Figure 4 The figure is a schematic view of the present application after the metal sheet workpiece is bent.

[0017] In the figure, 1 is a fixed pressing plate, 2 is a mold block, 3 is a top plate, 4 is a metal sheet bending pressing plate, 5 is a rotating shaft, 6 is a transition bearing, 7 is a bottom plate, 8 is a fixed handle, 9 is a threaded rod, 10 is a fixing block, 11 is a rotating handle, 12 is a rotating plate, 13 is a connecting block, 14 is a second fixing block, and 15 is a metal sheet workpiece. DETAILED DESCRIPTION

[0018] The present application will be further described in detail below with reference to the drawings.

[0019] It should be noted that, for the convenience of description, the direction in the following description is consistent with the direction of the drawings, but does not limit the structure of the present application.

[0020] For example, Figure 1 andFigure 2 The utility model discloses a portable metal plate finishing and bending clamp for the finishing and bending of metal plate, including roof 3, bottom plate 7 and rotating plate 12, roof 3 and bottom plate 7 are fixedly connected through rotating shaft 5, and bottom plate 7 is provided with several fixed holes, and the number of fixed holes is not less than 2, Figure 1 In the shown embodiment, the number of fixed holes is 3, the utility model is fixed on the workbench surface by the fixed hole, avoids the problem that the bending deformation occurs in the process of metal plate bending or the produced metal plate does not meet the production requirement due to displacement, the roof 3 is used as the workbench of fixed metal plate, and the top is equipped with the adjustable fixed pressing plate 1 for fixing the metal plate and the replaceable mould 2, the fixed pressing plate 1 is adjusted with the distance of mould 2 through the adjusting assembly, and the distance is set according to the thickness of the actual processing metal plate, the rotating plate 12 is equipped with through hole, and the rotating shaft 5 passes through the through hole to make the rotating plate 12 realize rotation around the rotating shaft 5, and the transition shaft sleeve 6 is equipped between the rotating plate 12 and the rotating shaft 5, in the embodiment, the transition shaft sleeve adopts CAC403 tin bronze material, has good wear resistance, and can reduce the abrasion of the rotating plate 12 and the rotating shaft 5, the metal plate bending pressing plate 4 is arranged on the side of the rotating plate 12 towards the roof 3, the position of the bending working surface of the metal plate bending pressing plate 4 is adjusted through the adjusting assembly, the metal plate bending pressing plate 4 is placed above the roof 3, the rotating handle 11 for pushing the rotating plate 12 to rotate is fixedly connected to the end of the adjusting assembly of the rotating plate 12, the rotating handle 11 makes the rotating plate 12 rotate around the rotating shaft 5, and the bending working surface of the metal plate bending pressing plate 4 rotates to the outside of the mould 2 and is attached to the metal plate, so that the bending of the metal plate is completed.

[0021] The adjusting assembly includes fixed block 10, adjusting rod 9 and connecting block 13, the fixed block 10 is fixedly connected on the work surface plate, as Figure 1 Shown, two groups of adjusting assemblies are fixedly connected on the plate surface of the roof 3 and the rotating plate 12 respectively, and the adjusting assembly connected on the rotating plate 12 is also connected with the second fixed block 14, and the bending working surface of the metal plate bending pressing plate 4 is realized on the roof 3 by adjusting the height of the fixed block 10, the adjusting rod 9 passes through the fixed block 10, one end of the adjusting rod 9 is connected with the connecting block 13, and the other end is connected with the adjusting handle, and in Figure 1 In the shown embodiment, the adjusting rod 9 is a threaded rod, and other structures capable of realizing axial displacement adjustment, such as a hydraulic rod, can also be selected, the end of the connecting block 13 away from the adjusting rod 9 is fixedly connected with the pressing plate in contact with the metal plate, as Figure 1 Shown, the other end of the adjusting rod 9 connected with the connecting block 13 of the adjusting assembly connected on the roof 3 is connected with the fixed handle for the fixed clamping of the metal plate, and the connecting block 13 of the adjusting assembly connected on the rotating plate 12 is connected with the metal plate bending pressing plate 4, the adjusting assembly further includes the second fixed block 14 for adjusting the height of the fixed block 10, and the second fixed block 14 is placed at the bottom of the fixed block 10.

[0022] Mold 2 includes several mold blocks of different specifications and shapes. During the processing and production process, mold blocks that meet the requirements are selected and connected according to the actual production requirements. Figure 1 The position of mold 2 shown enables bending and trimming of sheet metal parts with different bending angles. Each mold block is provided with several fixing holes, through which the mold is fixed to the top plate 3.

[0023] like Figures 2 to 4 As shown, the usage process of this utility model is as follows:

[0024] The present invention is fixed on the workbench using the fixing holes. A mold block that meets the processing requirements is selected and connected to the top plate 3. The sheet metal part to be processed is placed between the mold block and the fixed pressure plate 1. The adjusting rod 9 is adjusted axially until the fixed pressure plate 1 is in contact with the sheet metal part and the sheet metal part cannot move, thus completing the fixing and clamping of the sheet metal part. The position of the sheet metal bending pressure plate 4 is adjusted by the adjusting component connected to the rotating plate 12 so that the bending working surface of the sheet metal bending pressure plate 4 is in contact with the sheet metal part. Then, the rotating handle 11 is pushed. Under the action of the sheet metal bending pressure plate 4, the sheet metal part bends towards the mold block until the sheet metal part is in contact with the other side of the mold block, forming a sheet metal bending angle or structure that meets the requirements. The two adjusting rods 9 are adjusted in the opposite direction to remove the processed sheet metal part.

[0025] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A portable sheet metal trimming and bending fixture, characterized in that: It includes a top plate (3), a bottom plate (7) and a rotating plate (12). The top plate (3) and the bottom plate (7) are fixedly connected by a rotating shaft (5). The top plate (3) is provided with an adjustable fixing plate (1) for fixing sheet metal parts and a replaceable mold (2). The fixing plate (1) adjusts the distance between itself and the mold (2) by adjusting the adjusting component. The rotating plate (12) is provided with a through hole, and the rotating shaft (5) passes through the through hole so that the rotating plate (12) rotates around the rotating shaft (5). A sheet metal bending pressure plate (4) is provided on the side of the rotating plate (12) facing the top plate (3). The position of the bending working surface of the sheet metal bending pressure plate (4) is adjusted by the adjusting component. The sheet metal bending pressure plate (4) is placed above the top plate (3). A rotating handle (11) for pushing the rotating plate (12) to rotate is fixedly connected to the end of the adjusting component of the rotating plate (12).

2. The portable sheet metal trimming and bending fixture according to claim 1, characterized in that: The adjustment assembly includes a fixed block (10), an adjustment rod (9), and a connecting block (13). The fixed block (10) is fixedly connected to the working panel. The adjustment rod (9) passes through the fixed block (10). One end of the adjustment rod (9) is connected to the connecting block (13), and the other end is connected to the adjustment handle. The end of the connecting block (13) away from the adjustment rod (9) is fixedly connected to a pressure plate that contacts the sheet metal part.

3. The portable sheet metal trimming and bending fixture according to claim 2, characterized in that: The adjustment assembly also includes a second fixing block (14) for adjusting the height of the fixing block (10), the second fixing block (14) being placed at the bottom of the fixing block (10).

4. The portable sheet metal trimming and bending fixture according to claim 1, characterized in that: A transition bearing (6) is provided between the rotating plate (12) and the rotating shaft (5).

5. The portable sheet metal trimming and bending fixture according to claim 1, characterized in that: The mold (2) includes several mold blocks of different specifications and shapes. Each mold block is provided with several fixing holes, through which the mold is fixed on the top plate (3).

6. The portable sheet metal trimming and bending fixture according to claim 1, characterized in that: The base plate (7) is provided with a number of fixing holes, and the number of fixing holes is not less than 2.

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