CN216679816U

CN216679816U - Open U-shaped part bending die capable of adjusting working width

Info

Publication number: CN216679816U
Application number: CN202123174768.5U
Authority: CN
Inventors: 王斌; 任惠生
Original assignee: Binzhou Bright Electric Co ltd
Current assignee: Binzhou Bright Electric Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-06-07
Anticipated expiration: 2031-12-17

Abstract

The utility model relates to an open U-shaped part bending die capable of adjusting the working width, belonging to the field of electrical machinery; an open U-shaped part bending die capable of adjusting working width comprises an upper die and a lower die, wherein the upper die and the lower die are combined; the upper die comprises an upper die plate, a fixed block, a convex module, a gasket and a die handle, wherein the fixed block is fixedly connected to the lower end of the upper die plate, and the convex module is detachably connected to two sides of the fixed block; the lower die comprises a lower die plate, concave modules, limiting blocks and gaskets, wherein the two concave modules are detachably mounted at the upper end of the lower die plate, the two concave modules are parallel and matched with the convex modules, and the limiting blocks are arranged on two sides of each concave module; the utility model has simple structure and easy realization, can greatly reduce the time for manufacturing the die, and can realize that one set of die can punch U-shaped pieces with various internal fillet radiuses, various plate thicknesses and any working width in (adjustment range) by adjusting and matching the concave die block, the convex die block and the gasket.

Description

Open U-shaped part bending die capable of adjusting working width

Technical Field

The utility model relates to the field of electrical machinery, in particular to an open U-shaped part bending die capable of adjusting working width.

Background

The U-shaped part in the sheet metal part is a sheet metal part with a common shape structure, stamping forming is one of common processing methods of the part, a U-shaped part bending die is needed in the stamping process, and an upper die and a lower die are two main working parts of the U-shaped part bending die. The working width of the lower die, the fillet radius of the upper die and the clearance between the upper die and the lower die of the die with the structure are fixed values, so that the die can only punch a U-shaped sheet metal part corresponding to the 3 die parameters; and because of the difference of the actual thickness of each batch of U sheet metal component material, just lead to the material thickness and go up the clearance mismatch of mould, the angle of the part of punching out can be different between the batch, can be out of tolerance even.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background art, the utility model provides an open U-shaped bending die with adjustable working width.

The utility model provides an open U-shaped part bending die capable of adjusting working width, which adopts the following technical scheme: an open U-shaped part bending die capable of adjusting working width comprises an upper die and a lower die; the upper die and the lower die are combined; the upper die comprises an upper die plate, the lower end of the upper die plate is fixedly connected with a fixed block, and the two sides of the fixed block are detachably connected with convex modules; the lower die comprises a lower die plate, two concave die blocks are mounted at the upper end of the lower die plate, and the two concave die blocks are parallel to each other and matched with the convex die block. By adopting the technical scheme, the upper die and the lower die are combined, and the structure is convenient to adjust.

Preferably, the female module is detachably mounted on the upper surface of the lower template through a connecting piece, a screw through hole for the connecting piece to penetrate through is formed in the female module, and the screw through hole is oblong. The concave module can be adjusted in position left and right within a set range.

Preferably, the lower die further comprises a limiting block and a second gasket; the limiting block is arranged on the lower template and is positioned outside the female die block; the second gasket is located between the limiting block and the concave module.

Preferably, a first gasket is arranged between the convex module and the fixed block.

Preferably, the heights of the first gasket, the convex module and the fixed block are equal.

Preferably, the male die block and the female die block are provided with four fillets with different radiuses.

Preferably, the fixing block and the upper template are fixed into a whole.

Preferably, the open U-shaped bending die with the adjustable working width further comprises a die shank, and the die shank is vertically arranged at the upper end of the upper die plate.

In summary, the utility model has the following beneficial technical effects:

1. the upper die and the lower die are of combined structures, so that the die has multiple functions, is convenient to adjust, can greatly reduce the manufacturing time of the die and save the manufacturing cost of the die;

2. the width of the u-shaped sheet metal part (within an adjusting range) can be obtained by adjusting the number of the second gaskets between the concave module and the limiting block; the gap between the upper die and the lower die which is adaptive to the actual thickness of the plate can be obtained by adjusting the number of the first gaskets between the convex module and the fixed block.

Drawings

FIG. 1 is a schematic view of a U-shaped sheet metal part;

FIG. 2 is a front view of the upper die;

FIG. 3 is a front view of the lower die;

FIG. 4 is a top view of the lower die;

fig. 5 is a schematic view of the mating of the upper and lower dies.

Description of reference numerals:

1. an upper die; 11. mounting a template; 12. a male module; 121. a first male mold block; 122. a second male mold block; 13. A first rounded corner; 14. a second rounded corner; 15. a third fillet; 16. a fourth fillet;

2. a lower die; 21. a lower template; 22. a female module; 221. a first female die block; 222. a second female die block; 23. A fifth fillet; 24. a sixth fillet; 25. a seventh fillet; 26. an eighth fillet;

3. a die shank; 41. a first gasket; 42. a second gasket; 5. a fixed block; 6. a limiting block; 7. a first bolt; 8. a threaded hole; 9. and (4) passing a screw through a hole.

Detailed Description

The present invention is described in further detail below with reference to figures 1-5.

The embodiment of the utility model discloses an open U-shaped part bending die capable of adjusting working width.

FIG. 1 is a stamped U-shaped component of the present invention.

As shown in fig. 2, the upper die 1 includes an upper die plate 11 and a male die block 12, the male die block 12 includes a first male die block 121 and a second male die block 122, a fixing block 5 is welded below the upper die plate 11, the fixing block 5 is connected with the male die block 12 through a first bolt 7, and a first gasket 41 is arranged between the fixing block 5 and the male die block 12;

as shown in fig. 2, the four fillet radii of the convex mold block 12 are different from each other, and the four fillets are respectively a first fillet 13, a second fillet 14, a third fillet 15 and a fourth fillet 16, so that 4 kinds of parts with different fillets can be pressed by turning the convex mold block 12 around and turning the reverse side.

As shown in fig. 2, a die shank 3 is vertically connected above the upper die plate 11.

As shown in fig. 3-4, the lower mold 2 includes a lower mold plate 21 and a die block 22; the female die block 22 comprises a first female die block 221 and a second female die block 222, wherein the first female die block 221 and the second female die block 222 are arranged on two sides of the upper end of the lower die plate 21 in parallel at a distance which is consistent with the width of the required U-shaped piece; the two sides of the upper part of the lower template 21 are fixedly connected with limit blocks 6, the limit blocks 6 are positioned at the outer sides of the first concave module 221 and the second concave module 22, and a second gasket 42 is arranged between the concave module 22 and the limit blocks 6.

As shown in fig. 3-4, the female die block 22 is connected with the lower template 21 through a connector, the connector can be an inner hexagon screw, the lower template 21 is provided with a threaded hole 8, the female die block 22 is provided with a screw through hole 9, and the female die block 22 is installed on the lower template 21 by passing through the screw through hole 9 through the inner hexagon screw; the screw through hole 9 is oblong, and when the screw is unscrewed, the female die block 22 can move left and right within a set range; when the female die block 22 moves towards the middle, the number of the second gaskets 42 is required to be increased between the limiting block 6 and the female die block 22; when the female die block 22 moves to both sides, the number of the second spacers 42 needs to be reduced between the stopper 6 and the female die block 22.

As shown in fig. 3, the four fillet radii of the concave module 22 are different from each other, and the four fillets are respectively a fifth fillet 23, a sixth fillet 24, a seventh fillet 25 and an eighth fillet 26, so that the requirements of different plate thicknesses on the fillet radii of the concave module 22 can be met by turning the concave module 22 around and turning the back side of the concave module.

As shown in fig. 5, which is a schematic working diagram of the upper die 1 and the lower die 2, the width of the U-shaped sheet metal part (within an adjustment range) between the female die block 22 and the limiting block 6 can be obtained by adjusting the number of the second spacers 42, and the gap between the upper die 1 and the lower die 2, which is suitable for the actual sheet thickness, can be obtained between the fixed block 5 and the male die block 12 by adjusting the number of the first spacers 41.

The first spacer 41 and the second spacer 42 may be used in common, and the height of the first spacer 41 is the same as that of the male die block 12 and the fixing block 5.

The working mode of the open U-shaped bending die capable of adjusting the working width of the embodiment of the utility model is as follows: firstly, according to the width of a needed U-shaped piece, the distance between the first concave module 221 and the second concave module 222 is adjusted by moving the concave module 22 left and right in the screw through hole 9, meanwhile, the number of the second gaskets 42 is adjusted, and when the concave module 22 moves towards the middle, the number of the second gaskets 42 is required to be increased between the limiting block 6 and the concave module 22; when the female die block 22 moves to both sides, the number of the second spacers 42 needs to be reduced between the stopper 6 and the female die block 22.

The number of the gaskets between the male die block 12 and the fixed block 5 is adjusted according to the required thickness of the plate material of the U-shaped piece.

The workpiece is placed on the lower die 2, the upper die 1 is arranged right above the lower die 2, and the die handle 3 is connected with a punching machine to punch downwards so as to perform punching, bending and forming processing on the workpiece.

4U-shaped pieces with different fillet radiuses can be pressed by turning the convex die block 12 back. One set of die can punch parts with various section sizes formed by combining 4 kinds of fillet radiuses, various plate thicknesses and arbitrary working widths (within an adjusting range), and the precision of the parts is guaranteed.

The above are all preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. An open U-shaped part bending die capable of adjusting working width comprises an upper die (1) and a lower die (2); the method is characterized in that: the upper die (1) and the lower die (2) are combined;

the upper die (1) comprises an upper die plate (11), the lower end of the upper die plate (11) is fixedly connected with a fixed block (5), and two sides of the fixed block (5) are detachably connected with convex modules (12);

the lower die (2) comprises a lower die plate (21), two concave modules (22) are mounted at the upper end of the lower die plate (21), and the two concave modules (22) are parallel to each other and matched with the convex module (12).

2. The open U-bend adjustable working width die of claim 1, wherein: the die is characterized in that the concave die block (22) is detachably mounted on the upper surface of the lower die plate (21) through a connecting piece, a screw through hole (9) for the connecting piece to penetrate through is formed in the concave die block (22), and the screw through hole (9) is oblong.

3. An open U-bend die with adjustable working width according to claim 2, wherein: the lower die (2) further comprises a limiting block (6) and a second gasket (42); the limiting block (6) is mounted on the lower template (21), and the limiting block (6) is located on the outer side of the concave module (22); the second gasket (42) is positioned between the limiting block (6) and the concave module (22).

4. An open U-bend die with adjustable working width according to claim 3, wherein: a first gasket (41) is arranged between the convex module (12) and the fixed block (5).

5. The open U-bend adjustable working width die of claim 4, wherein: the heights of the first gasket (41), the convex module (12) and the fixed block (5) are equal.

6. The open U-bend adjustable working width die of claim 1, wherein: the male die block (12) and the female die block (22) are provided with four round corners with different radiuses.

7. The open U-bend adjustable working width die of claim 1, wherein: the fixed block (5) and the upper template (11) are fixed into a whole.

8. The open U-bend adjustable working width die of claim 1, wherein: the U-shaped part bending die further comprises a die handle (3), and the die handle (3) is vertically arranged at the upper end of the upper die plate (11).