CN206981482U - A kind of curved head type right-angle bending cutter - Google Patents

Abstract

Mechanical production devices field is the utility model is related to, especially a kind of curved head type right-angle bending cutter, including upper slitter and lower knife, the upper slitter are curved head type straight knife, the upper slitter lower end is connected with point of a knife straight down, and the point of a knife wedge angle is 90 °；The section that the lower knife upper end is provided with the cutter groove a, the cutter groove a that are engaged with point of a knife is isosceles right triangle, and the cutter groove a width is 2mm.The bending cutter realizes that the thin metal plate sheet material L-shaped bending thick to 0.6 ~ 1.2mm goes out the bending edges of 1.6 ~ 2mm minimum dimensions, meets the requirement to sheet metal component product gap, while functional diversities, can still be bent into the bending edges of 4 ~ 5mm sizes according to the actual requirements；The cutter structure is simple, firm, safe to use, manufacture processing cost is low, service life length.

Description

A kind of curved head type right-angle bending cutter

Technical field

Mechanical production devices field is the utility model is related to, especially a kind of curved head type right-angle bending cutter.

Background technology

In general, the sheet metal component product of currently produced bending cutter is substantially based on customization, it is necessary to various bending parts Reason, conventional manufacturing process kind is that sheet metal component is processed using standard bending cutter.In the prior art, it is thick to 0.6 ~ 1.2mm Thin metal plate sheet material carry out L-shaped bending when, minimum bending size is 4 ~ 5mm, sometimes, because product made of metal plate is, it is necessary to smaller Bending 1.6 ~ 2.2mm of size, to meet the requirement of the size in product gap, general bending cutter is because self problem can not at present Realize the bending minimum dimension of the thin metal plate sheet material thick to 0.6 ~ 1.2mm to 1.6 ~ 2mm.

The content of the invention

Problem to be solved in the utility model is to provide a kind of thin metal plate sheet material L-shaped bending that 0.6 ~ 1.2mm is thick and goes out 1.6 The curved head type right-angle bending cutter on ~ 2.2mm minimum bending sizes side.

The utility model is achieved through the following technical solutions：

A kind of curved head type right-angle bending cutter, including upper slitter and lower knife, the upper slitter are curved head type straight knife, under the upper slitter End is connected with point of a knife straight down, and the point of a knife wedge angle is 90 °；

The section that the lower knife upper end is provided with the cutter groove a, the cutter groove a that are engaged with point of a knife is isosceles right triangle, The cutter groove a width is 2mm.It is so designed that, the bending cutter realizes that the thin metal plate sheet material L-shaped bending thick to 0.6 ~ 1.2mm goes out The bending edges of 1.6 ~ 2mm minimum dimensions.

Further, it is to prevent from disturbing the vertical plane for processing plate on the right side of the point of a knife.It is so designed that, will not process Middle interference metal plate sheet material.

Further, the upper slitter blade thickness is 6 ~ 60mm, and the lower knife thickness is 6 ~ 60mm.It is so designed that, is adapted to Process thin metal plate sheet material.

Further, the upper slitter and lower knife material are chromium 12.It is so designed that, strengthens the intensity of bending cutter and durable Degree.

Further, the lower knife upper end is additionally provided with cutter groove b, and the cutter groove b sections are isosceles right triangle, the knife Groove b width is 4mm.It is so designed that, dimensioned variation can be achieved.

Compared with prior art, acquired beneficial effect is the utility model：The bending cutter is realized to 0.6 ~ 1.2mm Thick thin metal plate sheet material L-shaped bending goes out the bending edges of 1.6 ~ 2mm minimum dimensions, meets the requirement to sheet metal component product gap, together When functional diversities, can still be bent into the bending edges of 4 ~ 5mm sizes according to the actual requirements；The cutter structure is simple, firmly, make With safety, processing cost is low for manufacture, service life is grown.

Brief description of the drawings

Fig. 1 is the structural representation of bending blade embodiments 1 described in the utility model；

Fig. 2 is the structural representation of bending blade embodiments 2 described in the utility model；

Fig. 3 is the upper slitter main structure diagram shown in Fig. 1；

Fig. 4 is the lower knife main structure diagram shown in Fig. 1；

In figure：1st, upper slitter, 2, lower knife, 3, point of a knife, 4, cutter groove a, 5, cutter groove b, 6, metal plate sheet material.

Embodiment：

Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.

Embodiment 1

Long 120mm, wide 60mm, thick the 1.2mm bending of metal plate sheet material 6 are gone out with bending cutter described in the utility model Exemplified by the L-shaped minimum bending edges of 2.2mm length, as shown in Fig. 1,3,4, bending cutter described in the utility model, including the material of chromium 12 The upper slitter 1 of matter and lower knife 2, upper slitter 1 are curved head type straight knife, and the lower end of upper slitter 1 is connected with point of a knife 3 straight down, and the wedge angle of point of a knife 3 is 90°；The lower upper end of knife 2 is provided with the cutter groove a 4 that is engaged with point of a knife 3, and cutter groove a 4 section is isosceles right triangle, cutter groove a 4 Width is 2mm.

Point of a knife（3）Right side is the vertical plane for preventing interference processing plate.The blade thickness of upper slitter 1 is 10mm, and the lower thickness of knife 2 is 10mm.The lower upper end of knife 2 is additionally provided with cutter groove b 5, and the sections of cutter groove b 5 are isosceles right triangle, and the width of cutter groove b 5 is 4mm.

Specific procedure of processing is as follows：

The first step：6 bending cutters are mounted side by side on bender cutter installation guide rail, fixed；Then exist Bending tool is directly vertically below mounted side by side the wide small cutter grooves of 6 2mm on bending machine workbench；

Second step：Bending program is inputted in bender, sheet material locating piece is automatically positioned away from cutter groove center 2mm distances, Then long 120mm, wide 60mm, thick the 1.2mm side of metal plate sheet material 6 are withstood on sheet material locating piece；

3rd step, start bender, complete bending.

Rule of thumb gained, minimum L-type can bending size（Bending size contains thickness of slab）, typically most I bending size is knife The half of well width and the summation of metal plate sheet metal thickness.The L-shaped panel beating plate of 2.2mm minimum bending edges is obtained by processing Material.

Embodiment 2

With bending cutter described in the utility model by long 40mm, wide 20mm, thick 0.6mm one side L-shaped bending of metal plate sheet material 6 Go out the minimum bending edges of 1.6mm length, another side L-shaped bending goes out exemplified by the bending edges of 2.6mm length, and as in Figure 2-4, this practicality is new Bending cutter described in type, including the upper slitter 1 of the material of chromium 12 and lower knife 2, upper slitter 1 are curved head type straight knife, and the lower end of upper slitter 1 is connected with Point of a knife 3 straight down, the wedge angle of point of a knife 3 are 90 °；The lower upper end of knife 2 is provided with the cutter groove a 4 being engaged with point of a knife 3, cutter groove a's 4 Section is isosceles right triangle, and the width of cutter groove a 4 is 2mm.

Point of a knife（3）Right side is the vertical plane for preventing interference processing plate.The blade thickness of upper slitter 1 is 20mm, and the lower thickness of knife 2 is 20mm.The lower upper end of knife 2 is additionally provided with cutter groove b 5, and the sections of cutter groove b 5 are isosceles right triangle, and the width of cutter groove b 5 is 4mm.

Specific procedure of processing is as follows：

The first step：1 bending cutter is installed on bender cutter installation guide rail, fixed；Then in bending The wide small cutter grooves of directly vertically below installation 2mm of bending tool on machine worktable；

Second step：Bending program is inputted in bender, sheet material locating piece is automatically positioned away from cutter groove center 2mm distances, Then long 40mm, wide 20mm, thick the 0.6mm side of metal plate sheet material 6 are withstood on sheet material locating piece；

3rd step, start bender, complete bending.

4th step, take out metal plate sheet material 6, turn lower knife 180 degree, after fixing on bending machine workbench bending tool hang down The alignment wide small cutter grooves of 4mm immediately below straight, repeat second and third step, complete bending.

Rule of thumb gained, minimum L-type can bending size（Bending size contains thickness of slab）, typically most I bending size is knife The half of well width and the summation of metal plate sheet metal thickness.Obtained by processing while being 1.6mm minimum bending edges, another While it is the C-shaped metal plate sheet material of 2.6mm bending edges.

It should be noted last that above embodiment is only illustrating the technical solution of the utility model rather than limit System, although the utility model is described in detail with reference to preferred embodiment, it will be understood by those within the art that, The technical solution of the utility model can be modified or equivalent substitution, without departing from the essence of technical solutions of the utility model God and scope, it all should cover among right of the present utility model.

Claims (5)

1. a kind of curved head type right-angle bending cutter, including upper slitter（1）With lower knife（2）, the upper slitter（1）For curved head type straight knife, its It is characterised by, the upper slitter（1）Lower end is connected with point of a knife straight down（3）, the point of a knife（3）Wedge angle is 90 °；

The lower knife（2）Upper end is provided with and point of a knife（3）The cutter groove a being engaged（4）, the cutter groove a（4）Section be isosceles right angle Triangle, the cutter groove a（4）Width is 2mm.

2. bending cutter according to claim 1, it is characterised in that the point of a knife（3）Right side processes plate to prevent from disturbing The vertical plane of part.

3. bending cutter according to claim 1, it is characterised in that the upper slitter（1）Blade thickness is 6 ~ 60mm, described Lower knife（2）Thickness is 6 ~ 60mm.

4. bending cutter according to claim 1, it is characterised in that the upper slitter（1）With lower knife（2）Material is chromium 12.

5. bending cutter according to claim 1, it is characterised in that the lower knife（2）Upper end is additionally provided with cutter groove b（5）, institute State cutter groove b（5）Section is isosceles right triangle, the cutter groove b（5）Width is 4mm.