CN209532137U - A kind of processing and forming cutter - Google Patents
A kind of processing and forming cutter Download PDFInfo
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- CN209532137U CN209532137U CN201821230726.4U CN201821230726U CN209532137U CN 209532137 U CN209532137 U CN 209532137U CN 201821230726 U CN201821230726 U CN 201821230726U CN 209532137 U CN209532137 U CN 209532137U
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Abstract
The utility model belongs to Machining Technology for Cutting field, it is open it is a kind of be used for processing and forming cutter, including knife bar and indexable in serts, carbide chip is polygonal body, including upper surface, lower end surface and multiple sides；Blade upper surface, which is arranged, is respectively provided with two grooves with the cutting unit of blade center's point symmetry and upper surface and lower end surface；Chip unit includes cutting edge, rake face, gullet, chip breaker；Cutting edge is formed by upper surface and side, is divided into multistage straight line sword and multi-section circular arc sword；Its cutting edge shape is consistent with the shape in forming part cutting face.Knife bar includes clamping part and pressing plate；Clamping part is provided with the protrusion mutually agreed with blade lower end surface groove；Processing of this processing and forming cutter for specified channel is effectively reduced processing technology difficulty, reduces production cost, improves the quality of production.
Description
Technical field
The utility model relates to Machining Technology for Cutting fields, more particularly, to a kind of processing and forming cutter.
Background technique
Currently, numerically-controlled machine tool has been widely used in field of machining, numerical control processing is with speed is fast, precision is high, section
The advantages that about artificial and material cost.But also to cutting tool, more stringent requirements are proposed for the practical application of numerically-controlled machine tool.
In the actual production process, the slot class of numerical control machine tool is processed fairly common, be generally used common
Shaping blades processing can reach effect, but the processing on specified channel or special construction surface, such as process a type
The structure of " oneself " type, upper part is prominent in certain radian, and lower part is divided into the structure etc. of the inscribe groove an of transverse direction.If using
Common shaping blades, process need replacing a variety of blades fits, and difficulty of processing can be incremented by, and process time can extend, and add
The effect of work can be bad, and precision is not high and time-consuming and laborious, leads to the decline of production efficiency；Such as " V " type part, such part add
Working hour is unable to one-pass molding, after needing to process a planarea, then processes to another planarea, and multiple feed completion is needed to cut
Processing is cut, processing efficiency is lower.
Therefore, for the processing of specific direction processing groove or special construction, some distinctive processing and forming knives need to be designed
Tool, is met the needs of production with this.
Utility model content
The technical problems to be solved in the utility model is for shaping blades in the prior art for processing class " oneself " type
Structure, i.e. top are prominent in certain radian, and lower part is lateral inscribe groove, can not accomplish high efficiency, high-precision processing not
Foot, provide one kind can high efficiency, it is high-precision, both met the requirement of normal part fluting, split notch can also be met simultaneously
A kind of processing and forming cutter of special processing structural requirement.
The purpose of this utility model is achieved by the following technical programs:
A kind of processing and forming cutter, including knife bar and indexable in serts, which is characterized in that the hard alloy
Blade includes blade body, and blade body is polygonal body, including upper surface, lower end surface and multiple planar shaped sides and more
A arc-shaped side；
The upper surface of the blade body is arranged two with the symmetrical cutting unit of dot center, blade center and upper surface
The line that the central point composition of the Circular Nose Cutting Edge of the above lower cutting unit is arranged is two grooves of symmetry axis；Lower end surface is arranged with knife
Centrosymmetric two grooves of piece central point；
The chip unit includes cutting edge, rake face, gullet, chip breaker；
The cutting edge is made of upper surface and side intersection, the shape of the cutting edge shape and forming part cutting face
Unanimously；
The knife bar includes clamping part and pressing plate；Clamping part upper surface have setting there are two with blade lower end surface groove phase contract
The protrusion of conjunction；A knife handle hole, head end of the knife handle hole hole for activity connection pressing plate is arranged in the knife bar upper surface；It is described
A position limiting structure is arranged in pressing plate tail end；
The upper surface of clamping part is arranged in the indexable in serts, and the tail end of pressing plate is pressed in indexable hard
The groove of alloy blade upper surface.
Further, the cutting edge is divided into 5 sections of straight line swords and 4 sections of Circular Nose Cutting Edges；Straight line sword and circular arc in the cutting edge
The prominent rectangle structure of sword composition one, straight line sword and Circular Nose Cutting Edge constitute a kind of U-typed slot structure.
Further, groove profile shape is " V " type, trapezoidal or semicircular structure in the cutting edge.
Further, the straight line sword of the cutting edge is divided into 2 sections of vertical straight line swords, 2 sections of horizontal linear swords and
One section of bevel edge straight line sword.
Further, the straight line sword and Circular Nose Cutting Edge are formed by class U-typed slot, and the height of notch two sides is unequal,
And the side of high side and vertical vertical line are at angle gamma, tilt outward.
Further, it is 30 ° that the straight line sword and straight line sword, which are formed by included angle γ,.
Further, the horizontal distance d1 range in the cutting edge between vertical straight line sword and vertical straight line sword be 3~
5mm；Vertical range d2 range between horizontal linear sword and horizontal linear sword is 1.5~2.5mm；Vertical straight line sword is to straight line sword
It is 5~6mm with horizontal distance d2 at the center of the Circular Nose Cutting Edge of intersection.
Further, the radius R1 of Circular Nose Cutting Edge is 0.2~0.5mm in the cutting edge；The radius R2 of the Circular Nose Cutting Edge is
0.3~0.6mm；The radius R3 of the Circular Nose Cutting Edge is 0.8~1.2mm.
Further, the range for the angle α that the rake face and upper surface are formed is 3 °~15 °.
Further, the trend of the chip-breaker gullet (11) and cutting edge (9) trend are consistent.
Compared with prior art, the utility model has the following beneficial effects:
1) blade and knife bar of the utility model, by setting blade lower end surface groove and clamping part upper surface protrusion
Agree with and the position limiting structure of pressing plate tail end and the groove of blade upper surface agree with, to reach the Dual positioning to blade, makes
Clamping is secured during processing for shaping blades, and cutting stability is good.
2) carbide chip of the utility model can be according to molding zero by changing unique straight line sword of conventional blades
The difference in part cutting face designs the cutting edge shape of blade.Design a kind of prominent cutting edge of rectangle and class U-typed notch sword phase
In conjunction with cutting edge so that workpiece processing class " oneself " type Workpiece structure technology difficulty lower；V-type can also be designed, it is round,
The structures such as trapezoidal, to process similar part.The cutting edge of the above structure can guarantee that workpiece is processed and formed at one time, and improves and adds
Work efficiency rate guarantees the precision of workpiece, effectively reduces production cost, improves production quality.
Detailed description of the invention
Fig. 1 is a kind of schematic perspective view of molding cutter described in embodiment 1；
Fig. 2 is a kind of molding cutter knife bar clamping part structural schematic diagram described in embodiment 1；
Fig. 3 is carbide chip schematic perspective view described in embodiment 1；
Fig. 4 is the lower end surface structural schematic diagram of carbide chip described in embodiment 1；
Fig. 5 is the partial enlargement structural representation of the cutting unit A of carbide chip described in embodiment 1；
Fig. 6 is the planar structure schematic diagram of carbide chip described in embodiment 1；
Fig. 7 is the angle α partial enlarged view of carbide chip described in embodiment 1.
Specific embodiment
Utility model is further described With reference to embodiment.Wherein, being given for example only property of attached drawing is said
Bright, expression is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent；It is practical in order to be better described
Novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To this field
For technical staff, the omitting of some known structures and their instructions in the attached drawings are understandable.
Embodiment 1
A kind of processing and forming cutter is provided, as shown in Figure 1, a kind of cutter for processing and forming, including knife bar 1 and can
Indexable carbide chip 2, above-mentioned indexable in serts 2 include blade body 5, and blade body 5 is polygonal body, packet
Include upper surface 6, lower end surface 7 and multiple planar shaped sides and multiple arc-shaped sides 8；The upper surface 6 of insert ontology 5
Two circular arcs that the above lower cutting unit A is equipped with the centrosymmetric cutting unit A of blade center point B and upper surface are set
The central point line C-C of sword 2 97 is two grooves 14 of symmetry axis；Lower end surface is equipped with blade center point B centrosymmetric two
A groove 14.In implementing 1, the shape of upper surface and its groove of lower end surface is square indentations.
Above-mentioned chip unit A includes cutting edge 9, rake face 10, gullet 11, chip breaker 12；Above-mentioned cutting edge 9 is by upper
End face 6 is crossed to form with side 8, and cutting edge is that multistage cutting edge is formed by connecting, and is mainly determined by processing and forming part,
Shape is consistent with the cutting face shape of forming part, the groove part of cutting edge, both can be U-typed slot, or " V "
Type, trapezoidal or semicircular groove profile sword.
In the present embodiment, as shown in figure 5, cutting edge is to be divided into 5 sections of straight line swords and 4 sections of Circular Nose Cutting Edge compositions；5 sections of straight lines
Sword is respectively 5 95,4 sections of straight line sword 1, straight line sword 2 92, straight line sword 3 93, straight line sword 4 94, straight line sword Circular Nose Cutting Edge difference
For Circular Nose Cutting Edge 1, Circular Nose Cutting Edge 2 97, Circular Nose Cutting Edge 3 98, Circular Nose Cutting Edge 4 99, straight line sword 1, straight line sword in above-mentioned cutting edge
2 92, straight line sword 3 93 and Circular Nose Cutting Edge 1, the prominent rectangle structure of the composition of Circular Nose Cutting Edge 2 97 one, straight line sword 3 93, straight line sword
4 94, straight line sword 5 95 and Circular Nose Cutting Edge 2 97, Circular Nose Cutting Edge 3 98, Circular Nose Cutting Edge 4 99 form one class U-typed slot structure.At other
In embodiment, the shape of cutting edge set there are two straight line sword intersection constitute " V " type groove, for cutting part triangular in shape；
Semicircle also can be set into the shape of cutting edge, for cutting the part that section is semicircle or circular arc.According to part cutting face
Needs, the cutting edge of the cutter can be changed.
Above-mentioned knife bar includes clamping part 4 and pressing plate 3；There are two the settings of 4 upper surface of clamping part and blade lower end surface groove 14
The protrusion 13 mutually agreed with；In embodiment, the protrusion of the upper surface of clamping part is square.It is arranged in above-mentioned arbor surface
One knife handle hole 16, head end of 16 hole of knife handle hole for activity connection pressing plate 3；A position limiting structure is arranged in 3 tail end of pressing plate.
In embodiment 1, during production and processing, indexable in serts 2 is arranged on the folder of knife bar 1
On the upper surface for holding portion 4, because being provided with two square protrusions portions, structure feature, with blade on the upper surface of clamping part 4
Two square indentations of lower end surface setting are just agreed with, and are fixed on knife handle so that blade can be stablized；
In the upper of knife bar, a knife handle hole 16 is set, knife handle hole 16 is connect with the cylinder activity of 3 head end of pressing plate, cylinder
16 activity of the part entered deeply into the pores and knife handle hole connect, it is separated out of knife handle hole 16 to limit its pressing plate 3, but do not limit pressing plate 3
Head end cylinder, rotated in knife handle hole, the tail end of pressing plate 3 also sets up a position limiting structure, in embodiment, tail end setting one
Square protrusions portion, surface shape and the square indentations of blade upper surface 6 are mutually agreed with, and can thus be pressed tail end
In groove, blade entire in this way is on clamping, while the stationary positioned of the stationary positioned and pressing plate 3 by clamping part 4, just
It can have the function that Dual positioning limits, so that clamping is secured in process for blade, cutting stability is good.
As shown in Figure 3 and Figure 5, carbide chip 2 is polygonal body, including upper surface 6, lower end surface 7 and multiple flat
Face shape side and multiple arc-shaped sides 8 composition；The upper surface 6 of insert ontology is provided with two symmetrical cutting unit A；
Its chip unit A is made of cutting edge 9, rake face 10, gullet 11, chip breaker 12；
As shown in fig. 7, the range for the angle α that above-mentioned rake face 10 is formed with upper surface 6 is 3 °~15 °, in the present embodiment
Middle angle α is 7 °；
As shown in figure 5, there are a gullet 11, this circular arc and two sides to form circle between rake face 10 and chip breaker 12
Arc notch, slot is as chip pocket.The trend of gullet 11 moves towards consistent with cutting edge 9.It can guarantee processed in this way
When carrying out multi-angle processing in journey, each section of cutting edge of blade also can guarantee while cutting and carry out chip breaking processing to workpiece,
Arc groove also can make chip removal smooth.
As shown in figure 5, cutting edge 9 is crossed to form by upper surface 6 and multiple sides 8, it is divided into 5 sections of straight line swords and 4 sections of circular arcs
Sword；The straight line sword of above-mentioned cutting edge is by 3 93,2 sections of horizontal linear swords of 2 sections of vertical straight line sword, that is, straight line swords 1 and straight line sword
Straight line sword 2 92, straight line sword 4 94 and one section of bevel edge straight line sword, that is, straight line sword 5 95 form.Each Circular Nose Cutting Edge connects each straight line
Each section of straight line sword connection is integral by sword.
Since the effect of the shaping blades is mainly used in the processing of class " oneself " type structure, by straight line sword in cutting edge
One 91, straight line sword 2 92, straight line sword 3 93 and Circular Nose Cutting Edge 1, the prominent rectangle structure of the composition of Circular Nose Cutting Edge 2 97 one, are constituted
Protrusion rectangle structure cutting edge, can be used for cutting in class " oneself " type structure, the transverse concave groove of lower part；Straight line sword simultaneously
3 93, straight line sword 4 94, straight line sword 5 95 and Circular Nose Cutting Edge 2 97, Circular Nose Cutting Edge 3 98, Circular Nose Cutting Edge 4 99 form one class " U "
The height of type groove structure, notch two sides is unequal, and the side of high side and vertical vertical line are at angle gamma, rolls outward
Tiltedly, structure feature can be used for the processing of the protruding portion of the upper half to class " oneself " type structure, work the work piece into certain radian
Protruding portion.
As shown in fig. 7, it is 30 ° that above-mentioned straight line sword 3 93, which is formed by included angle γ with straight line sword 5 95,.It in this way can be with
The requirement for answering work pieces process, meets processing conditions.
As shown in figure 5, the horizontal distance d1 in above-mentioned cutting edge between straight line sword 1 and straight line sword 3 93 is 3-5mm,
D1 is 4mm in embodiment；Vertical range d2 between straight line sword 2 92 and straight line sword 4 94 is 1.5-2.5mm, in embodiment
Middle d2 is 2mm；Horizontal distance d3 at the center for the Circular Nose Cutting Edge four that straight line sword 1 intersects to straight line sword 4 94 with straight line sword 5 95
For 5~6mm, d3 is 5.632mm in embodiment.
Circular Nose Cutting Edge 1 in the cutting edge, Circular Nose Cutting Edge 2 97 radius R1 be 0.2~0.5mm, radius in embodiment
R1 is 0.4mm；The radius R2 of the Circular Nose Cutting Edge 3 98 is that radius R2 is 0.5mm to 0.3~0.6mm in embodiment；The circular arc
The radius R3 of sword 4 99 is 0.8~1.2mm, and radius R3 is 1mm in embodiment.
Obviously, above-described embodiment is only intended to clearly illustrate the technical solution of the utility model example, and simultaneously
Non- is limitations of the embodiments of the present invention.For those of ordinary skill in the art, above explained
On the basis of can also make other variations or changes in different ways.It is made within the spirit and principle of the present invention
Any modifications, equivalent replacements, and improvements etc., should be included within the utility model scope of the claims.
Claims (10)
1. a kind of processing and forming cutter, including knife bar (1) and indexable in serts (2), which is characterized in that the hard
Alloy blade (2) includes blade body (5), and blade body (5) is polygonal body, including upper surface (6), and lower end surface (7) are multiple
Planar shaped side and multiple arc-shaped sides (8)；
The upper surface of the blade body is arranged two with blade center point (B) centrosymmetric cutting unit (A), and be equipped with
The line (C-C) of Circular Nose Cutting Edge two (97) central point of upper and lower cutting unit (A) is two grooves (14) of symmetry axis；Lower end surface is set
There are centrosymmetric two grooves (14) of following end face center point (B)；
The cutting unit (A) includes cutting edge (9), rake face (10), gullet (11), chip breaker (12)；
The cutting edge (9) is made of upper surface (6) and side intersection, the shape of the cutting edge shape and forming part cutting face
Shape is consistent；
The knife bar includes clamping part (4) and pressing plate (3)；There is setting in clamping part (4) upper surface, and there are two recessed with blade lower end surface
The protrusion (13) that slot (14) mutually agrees with；A knife handle hole (16) is arranged in the knife bar upper surface, and knife handle hole (16) hole is used for
The head end of activity connection pressing plate (3)；A position limiting structure is arranged in pressing plate (3) tail end；
The indexable in serts (2) is arranged in the upper surface of clamping part (4), and the tail end of pressing plate (3), which presses, to be turned
The groove of position carbide chip upper surface (6).
2. processing and forming cutter according to claim 1, which is characterized in that the cutting edge (9) be divided into 5 sections of straight line swords and
4 sections of Circular Nose Cutting Edges；5 sections of straight line swords be respectively straight line sword one (91), straight line sword two (92), straight line sword three (93), straight line sword four (94),
Straight line sword five (95), four arcs sword are respectively Circular Nose Cutting Edge one (96), Circular Nose Cutting Edge two (97), Circular Nose Cutting Edge three (98), Circular Nose Cutting Edge four
(99)；Straight line sword one (91), straight line sword two (92), straight line sword three (93) and Circular Nose Cutting Edge one (96), Circular Nose Cutting Edge in the cutting edge
The prominent rectangle structure of two (97) composition one, straight line sword three (93), straight line sword four (94), straight line sword five (95) and Circular Nose Cutting Edge two
(97), Circular Nose Cutting Edge three (98), Circular Nose Cutting Edge four (99) constitute a kind of U-typed slot structure.
3. processing and forming cutter according to claim 1, which is characterized in that the shape of groove profile is in the cutting edge (9)
" V " type, trapezoidal or semicircular structure.
4. processing and forming cutter according to claim 2, which is characterized in that the straight line sword of the cutting edge (9) is divided into 2 sections
Vertical straight line sword, that is, straight line sword one (91), straight line sword three (93), 2 sections of horizontal linear sword, that is, straight line swords two (92), straight line swords four
(94) and one section of bevel edge straight line sword, that is, straight line sword five (95).
5. processing and forming cutter according to claim 2, which is characterized in that the straight line sword three (93), straight line sword four
(94), straight line sword five (95) and Circular Nose Cutting Edge two (97), Circular Nose Cutting Edge three (98), Circular Nose Cutting Edge four (99) are formed by class U-typed slot,
The height of notch two sides is unequal, and the side of high side and vertical vertical line are at angle gamma, the angular outside inclination of γ.
6. processing and forming cutter according to claim 5, which is characterized in that the straight line sword three (93) and straight line sword five
(95) being formed by included angle γ is 30 °.
7. processing and forming cutter according to claim 4, which is characterized in that straight line sword one (91) and straight in the cutting edge
Horizontal distance d1 range between line sword three (93) is 3~5mm；Between straight line sword two (92) and straight line sword four (94) it is vertical away from
It is 1.5~2.5mm from d2 range；The Circular Nose Cutting Edge four that straight line sword one (91) intersects to straight line sword four (94) with straight line sword five (95)
Horizontal distance d3 is 5~6mm at center.
8. processing and forming cutter according to claim 2, which is characterized in that Circular Nose Cutting Edge one (96), circle in the cutting edge
The radius R1 of arc sword two (97) is 0.2~0.5mm；The radius R2 of the Circular Nose Cutting Edge three (98) is 0.3~0.6mm；The circular arc
The radius R3 of sword four (99) is 0.8~1.2mm.
9. processing and forming cutter according to claim 1, which is characterized in that the rake face (10) and upper surface (6) shape
At angle α range be 3 °~15 °.
10. processing and forming cutter according to claim 1, which is characterized in that chip-breaker gullet (11) are walked
Move towards consistent to cutting edge (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821230726.4U CN209532137U (en) | 2018-08-01 | 2018-08-01 | A kind of processing and forming cutter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821230726.4U CN209532137U (en) | 2018-08-01 | 2018-08-01 | A kind of processing and forming cutter |
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| CN209532137U true CN209532137U (en) | 2019-10-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108856757A (en) * | 2018-08-01 | 2018-11-23 | 株洲欧科亿数控精密刀具股份有限公司 | A kind of processing and forming cutter |
-
2018
- 2018-08-01 CN CN201821230726.4U patent/CN209532137U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108856757A (en) * | 2018-08-01 | 2018-11-23 | 株洲欧科亿数控精密刀具股份有限公司 | A kind of processing and forming cutter |
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