CN203030713U

CN203030713U - Numerical control bending cutter

Info

Publication number: CN203030713U
Application number: CN 201220662845
Authority: CN
Inventors: 张军
Original assignee: MIANYANG HIGH-TECH ZONE HENGAO ELECTRONIC TECHNOLOGY Co Ltd
Current assignee: MIANYANG HIGH-TECH ZONE HENGAO ELECTRONIC TECHNOLOGY Co Ltd
Priority date: 2012-12-05
Filing date: 2012-12-05
Publication date: 2013-07-03
Anticipated expiration: 2022-12-05

Abstract

The utility model discloses a numerical control bending cutter which comprises a connector and a cutter blade, wherein the connector and the cutter blade are integrated into a whole. The numerical control bending cutter is characterized in that winding type avoidance structures are cut in many positions of the cutter blade to prevent molding interference, a cutter nose which is integrated with the cutter blade is arranged at the lower end of the cutter blade, and the cutter point is of a closed angle shape or a circular arc shape. The numerical control bending cutter can be used for machining products of various characteristics and shapes, interference does not occur, the products are easy to machine and take out, and the service life of the numerical control bending cutter is long. In addition, the point of the cutter nose is always located in the center line of down acting force, and thus the structural strength of the cutter is guaranteed, meanwhile the down acting force is accurate and without deflection.

Description

A kind of numerical control bending cutter

Technical field

The utility model relates to a kind of numerical controlled machinery equipment, relates in particular to a kind of numerical control bending cutter.

Background technology

The product of the bending cutter of now producing is substantially to be customized to the master, required product processed structure is comparatively complicated, most of structural member is the sheet metal bending and forms, not only parts are various in style, and the size of the specification of parts and bending differs, brought certain degree of difficulty so just for processing department, also the requirement to the bending operated implement increases.Present employed bending cutter can't be processed for the product of some four directions bendings or special shape, adds and man-hour product and cutter interference can take place, and perhaps processes the phenomenon that the back product can't take out.

The utility model content

The technical assignment of technical problem to be solved in the utility model and proposition is that prior art is improved, and a kind of numerical control bending cutter is provided, and solves the problem that bending cutter in the present technology can not be processed special shape products.

For solving above technical problem, the technical solution of the utility model is:

A kind of numerical control bending cutter, connector and blade unitary whole structure, it is characterized in that the blade many places are cut cuts the bit architecture of keeping away that is meander configuration, prevent the moulding interference, the lower end of blade is provided with the point of a knife with the blade one, the tip of point of a knife is wedge angle or circular-arc, is on the center line of suppressing action power.

Further, described connection head breadth 20mm, the top side has a thickness 2mm, the boss of length 7.5mm～8mm, be used for the fixing of cutter, blade one is the broadening 5mm to the left of 36mm place below the connector end face, blade one left side in 124.5mm place is the 45 ° of reductions in oblique angle 13mm to the right below the connector end face, the right side of blade one 90mm place blade one below the connector end face is the oblique angle left and cuts down 10mm for 45 °, there is excessive section of the circular-arc broadening of a radius 5mm on blade one and right side, point of a knife one junction, the wedge angle of point of a knife one is 88 °, owing to have screen resilience after the sheet metal component processing, the wedge angle one of cutter is set to 88 °, can offsets the screen resilience of sheet metal component, make the sheet metal component after the moulding reach 90 ° right angle.

Further, described blade two its right side, 90mm place below the connector end face is the oblique angle and cuts down 9mm left for 45 °, and the side that the left side of blade two is the 13 ° of reductions to the right in oblique angle and point of a knife two connects being aligned, and the tip of point of a knife two is circular-arc, and radius is 1mm.

Further, described blade three integral body are arcuation, blade three tops bend to the right, blade three left sides have an excessive band that is 44 ° to cut down about 22.5mm to the right, blade three right sides vertically thicken 24.5mm to the right, and blade three bottoms bend left, and the left side is 158 ° of bendings left earlier and is 136 ° of bendings left again, blade three right sides are 136 ° of bendings left and directly are connected being aligned with point of a knife three, and point of a knife three is 88 ° tip-angled shape.

Further, the left and right sides, described blade four top is the oblique angle to the centre simultaneously and respectively cuts down 5.5mm for 45 °, cuts down 1.5mm left on blade right side, the bottom of blade four, and point of a knife four is 88 ° of tip-angled shapes.

Further, described blade five integral body are vertical shape, the wide 13mm in blade five tops, the middle part is widened to 25mm, the angle that two sides of bottom point of a knife form is 30 °, point of a knife five tips are circular-arc, and it is circular-arc drift angle that there is a tip on the right side of point of a knife five, and the angle on the limit, left side of the right edge of point of a knife five and drift angle is 45 °.

Compared with prior art, the utility model advantage is:

Numerical control bending cutter described in the utility model can be used for the product of machining feature shape, can not interfere, and easily processing also is easy to take out product; The shape of tool calculates through accurate, but the variation of converted products shape has guaranteed the long service life of cutter; The tip of point of a knife is on the center line of active force all the time, has guaranteed that the structural strength of cutter can not occur bending and deformation, and makes the accurate zero deflection of suppressing action power simultaneously, improves the efficient of bending; Numerical control bending cutter mounting means of the present utility model is identical with existing cutter, needn't transform existing bender again, takes full advantage of the function of existing equipment.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment one;

Fig. 2 is the structural representation of the utility model embodiment two;

Fig. 3 is the structural representation of the utility model embodiment three;

Fig. 4 is the structural representation of the utility model embodiment four;

Fig. 5 is the structural representation of the utility model embodiment five;

Fig. 6 is machining state schematic diagram of the present utility model.

The specific embodiment

Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.

The disclosed a kind of numerical control bending cutter of the utility model embodiment is purpose can process special shape products.

A kind of numerical control bending cutter, connector and blade unitary whole structure, it is characterized in that the blade many places are cut cuts the bit architecture of keeping away that is meander configuration, prevent the moulding interference, the lower end of blade is provided with the point of a knife with the blade one, point of a knife is wedge angle or circular-arc, and the tip of point of a knife is on the center line of suppressing action power.

Embodiment one

Referring to Fig. 1, connector 1 wide 20mm, the top side has a thickness 2mm, the boss of length 7.5mm～8mm, be used for the fixing of cutter, blade 1 is the broadening 5mm to the left of 36mm place below connector 1 end face, blade one 2 left sides in 124.5mm place are the 45 ° of reductions in oblique angle 13mm to the right below connector 1 end face, the right side of blade 1 90mm place blade 1 below connector 1 end face is the oblique angle left and cuts down 10mm for 45 °, there is excessive section of the circular-arc broadening of a radius 5mm on blade 1 and right side, point of a knife one 3 junction, the wedge angle of point of a knife one is 88 °, owing to have screen resilience after the sheet metal component processing, the wedge angle 1 of cutter is set to 88 °, can offsets the screen resilience of sheet metal component, make the sheet metal component after the moulding reach 90 ° right angle.

Embodiment two

Referring to Fig. 2, blade 24 its right side, 90mm place below connector 1 end face is the oblique angle and cuts down 9mm left for 45 °, and the side that the left side of blade 24 is the 13 ° of reductions to the right in oblique angle and point of a knife 25 connects being aligned, and the tip of point of a knife 25 is circular-arc, and radius is 1mm.

Embodiment three

Referring to Fig. 3, blade 36 integral body are arcuation, blade 36 tops bend to the right, blade 36 left sides have an excessive band that is 44 ° to cut down about 22.5mm to the right, blade 36 right sides vertically thicken 24.5mm to the right, and blade 36 bottoms bend left, and the left side is 158 ° of bendings left earlier and is 136 ° of bendings left again, blade 36 right sides are 136 ° of bendings left and directly are connected being aligned with point of a knife 37, and point of a knife 37 is 88 ° tip-angled shape.

Embodiment four

Referring to Fig. 4, the left and right sides, blade 48 top is the oblique angle to the centre simultaneously and respectively cuts down 5.5mm for 45 °, cuts down 1.5mm left on blade right side, the bottom of blade 48, and point of a knife 49 is 88 ° of tip-angled shapes.

Embodiment five

Referring to Fig. 5, blade 5 10 integral body are vertical shape, the wide 13mm in blade 5 10 tops, the middle part is widened to 25mm, the angle that two sides of bottom point of a knife 5 11 form is 30 °, point of a knife 5 11 tips are circular-arc, and it is circular-arc drift angle 12 that there is a tip on the right side of point of a knife 5 11, and the angle on the limit, left side of the right edge of point of a knife 5 11 and drift angle 12 is 45 °.

Referring to Fig. 6, the blade of cutter has adopted the bit architecture of keeping away of meander configuration, when the product of processing four directions bending, avoid the wall of product, can carry out bending process, mentioned cutter after processing, rotate clockwise product and can take out product, if and adopt common straight knife tool, then can produce interference, can't process also and can't take out product.

Only be preferred embodiment of the present utility model below, should be pointed out that above-mentioned preferred embodiment should not be considered as restriction of the present utility model, protection domain of the present utility model should be as the criterion with claim institute restricted portion.For those skilled in the art, in not breaking away from spirit and scope of the present utility model, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims

1. numerical control bending cutter, connector and blade unitary whole structure is characterized in that the blade many places are cut to cut the bit architecture of keeping away that is meander configuration that the lower end of blade is provided with the point of a knife with the blade one, the tip of point of a knife is wedge angle or circular-arc, is on the center line of suppressing action power.

2. numerical control bending cutter according to claim 1, it is characterized in that, the wide 20mm of described connector (1), the top side has a thickness 2mm, the boss of length 7.5mm～8mm, be used for the fixing of cutter, blade one (2) is broadening 5mm to the left at connector (1) end face below 36mm place, be the oblique angle to the right in blade one (2) left side, 124.5mm place, connector (1) end face below and cut down 13mm for 45 °, blade one (2) is the oblique angle left on the right side of 90mm place, connector (1) end face below blade one (2) and cuts down 10mm for 45 °, there is excessive section of the circular-arc broadening of a radius 5mm on blade one (2) and right side, point of a knife one (3) junction, and the wedge angle of point of a knife one (3) is 88 °.

3. numerical control bending cutter according to claim 1, it is characterized in that, described blade two (4) is the oblique angle on its right side, 90mm place, connector (1) end face below and cuts down 9mm left for 45 °, the side that the left side of blade two (4) is the 13 ° of reductions to the right in oblique angle and point of a knife connects being aligned, the tip of point of a knife two (5) is circular-arc, and radius is 1mm.

4. numerical control bending cutter according to claim 1, it is characterized in that, described blade three (6) integral body are arcuation, blade three (6) tops bend to the right, blade three (6) left sides have an excessive band that is 44 ° to cut down about 22.5mm to the right, blade three (6) right sides vertically thicken 24.5mm to the right, blade three (6) bottoms bend left, the left side is 158 ° of bendings left earlier and is 136 ° of bendings left again, blade three (6) right sides are 136 ° of bendings left and directly are connected being aligned with point of a knife, and point of a knife three (7) is 88 ° tip-angled shape.

5. numerical control bending cutter according to claim 1, it is characterized in that, the left and right sides, described blade four (8) top is the oblique angle to the centre simultaneously and respectively cuts down 5.5mm for 45 °, cuts down 1.5mm left on the blade right side, bottom of blade four (8), and point of a knife four (9) is 88 ° of tip-angled shapes.

6. numerical control bending cutter according to claim 1, it is characterized in that, described blade five (10) integral body are vertical shape, the wide 13mm in blade five (10) tops, the middle part is widened to 25mm, and the angle that two sides of bottom point of a knife five (11) form is 30 °, and point of a knife five (11) tips are circular-arc, it is circular-arc drift angle (12) that there is a tip on the right side of point of a knife five (11), and the angle on the limit, left side of the right edge of point of a knife five (11) and drift angle (12) is 45 °.