CN202357232U

CN202357232U - V-shaped turning tool

Info

Publication number: CN202357232U
Application number: CN2011204224037U
Authority: CN
Inventors: 林大伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-10-31
Filing date: 2011-10-31
Publication date: 2012-08-01
Anticipated expiration: 2021-10-31

Abstract

The utility model discloses a V-shaped turning tool, which has a reasonable structure and can bear a high cutting force. The turning tool comprises a tool handle, a regular V-shaped tool bit and primary and secondary cutting edges positioned on the tool bit; the primary and secondary cutting edges are crossed to form a tool nose; the primary and secondary cutting edges are respectively formed by crossing the front side and the rear side and crossing the secondary front side and the secondary rear side; the primary and secondary cutting edges are positioned above the tool bit; and the tool handle is connected with the lower part of the tool bit. The tool bit of the turning tool is regular V-shaped, the primary and secondary cutting edges are symmetrically distributed on two sides of the tool bit, and the properties of the primary and secondary cutting edges can be interchanged during turning according to different moving directions, namely the two cutting edges can become main cutting edges; and the resultant force F borne by the primary and secondary cutting edges is just or approximately parallel to the installation direction of the tool handle, so that the tool can bear the high cutting force, the cutting edges are sharp, and the cutting consumption and the cutting speed of the cutting edges can be greatly improved.

Description

A kind of V-type lathe tool

Technical field

The utility model relates to wood-turning machine, is specifically related to the cutting tool on the wood-turning machine.

Background technology

At present, most wood-turning machines are all with reference to the metal lathe design, and its lathe tool comprises handle of a knife, cutter head and be positioned at the cutting edge of cutter head front end that handle of a knife is connected with the cutter head front and back and is installed on the basal plane (being generally horizontal plane) perpendicular to the direction of primary motion of supposing.The stressing conditions of lathe tool is as shown in Figure 1; F is vertical or near perpendicular to the installation direction of handle of a knife with joint efforts, and the direction of its F that makes a concerted effort just is on the handle of a knife the weakest stressed direction, and handle of a knife strain takes place easily and causes vibration; Very unfavorable to cut, influence machining accuracy.

Summary of the invention

The utility model problem to be solved is, to the deficiency of prior art, designs a kind of rational in infrastructure, V-type lathe tool that can bear higher cutting force.

The technical scheme that the utility model is taked is:

A kind of V-type lathe tool; This lathe tool comprises handle of a knife, is the cutter head of positive V-type and is positioned at the major and minor cutting edge on the cutter head; Intersect and the formation point of a knife between the major and minor cutting edge; Major and minor cutting edge is intersected by front and back, secondary front and minor flank respectively and forms, and said major and minor cutting edge is positioned at the top of cutter head, and handle of a knife is connected with the below of cutter head.

Improve technical scheme below technique scheme also has: the relief angle of said lathe tool, front clearance are respectively between 0 ° ~ 15 °; The anterior angle of said lathe tool, front top rake angle are respectively between 0 ° ~ 80 °; The thickness of said cutter head is from the point of a knife attenuation gradually along its both sides respectively; Said major and minor cutting edge is linear pattern or arc line type.

The beneficial effect of the utility model is: the utility model cutter head is positive V-type, and major and minor cutting edge is symmetrically distributed in the both sides of cutter head, when turning; According to the difference of the direction of motion, the character of major and minor cutting edge can be changed each other, and promptly two blades all can become main cutting edge; Further, the major and minor cutting edge of the utility model is positioned at the top of cutter head, and handle of a knife is connected with the below of cutter head; Major and minor like this cutting edge is suffered makes a concerted effort F just or near the installation direction that is parallel to handle of a knife, the suffered external force of cutter can be directly transferred on the lathe through handle of a knife, makes cutter can bear higher cutting force; Even wide-angle ground increases anterior angle, also be not easy to cause tipping, make cutting edge sharper; Can improve its cutting data and cutting speed widely; But also strengthen its stability, and reduce the strain and its cutting vibration of handle of a knife, reduce surface roughness.Further, need not grind major flank and minor flank after the V-knife moulding, the main front of a knife milling tool and secondary front just, sharpening is convenient; When the timber of processing different hardness, height and the cutting edge inclination that only needs to change cutter just can process the timber (bag is scraped plastics, rubber, chopping wood etc.) of different hardness (hard material blade adorn end point, cutting edge inclination be on the occasion of; Soft material blade is adorned high point, cutting edge inclination is a negative value), better control the smoothness of turner, improve processing characteristics and operating efficiency.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is described further:

The generation figure of total cutting force when Fig. 1 is turning;

Fig. 2 is the structural representation of V-type lathe tool;

Fig. 3 is the front view of Fig. 2;

Fig. 4 is the vertical view of Fig. 2;

Fig. 5 is the structural representation of another angle of Fig. 2;

Fig. 6 is the structural representation of another kind of V-type lathe tool;

Fig. 7 is the mounting structure sketch map of V-type lathe tool and knife rest.

The specific embodiment

Below be the specific embodiment of V-type lathe tool, the technical scheme of the utility model is done further to describe, but the utility model be not limited to these embodiment.

With reference to Fig. 2 to Fig. 5; In the present embodiment; This V-type lathe tool comprises handle of a knife 1, V-shaped cutter head 2 and is positioned at the major and

minor cutting edge

3,4 on the cutter head 2, major and minor cutting edge 3, intersects between 4 and forms point of a knife 5, and major and

minor cutting edge

3,4 is intersected with minor flank 71 by front 6 and back 7, secondary front 61 respectively and forms; Said major and

minor cutting edge

3,4 is positioned at the top of cutter head 2, and handle of a knife 1 is connected with the below of cutter head 2.

The relief angle of said lathe tool and front clearance are 0 ° ~ 15 °, and it preferred embodiment is 0 °, under this angle, make major and minor cutting edge 3, semi-finals solid, can process intensity, the higher workpiece of hardness, are particularly suitable for the timber of work brittleness.Certainly, when needing the bigger timber of working plasticity and toughness, can choose 15 ° of bigger relief angles.Further; Lathe tool can be worn into 0 ° ~ 80 ° to anterior angle and front top rake angle respectively as required, and it preferred embodiment is 15 °, under this angle; Major and

minor cutting edge

3,4 is sharper; Reduce cutting resistance, reduce the wood chip resistance influences machined surface with modification smoothness, raising processing characteristics and operating efficiency.And in the utility model, major and

minor cutting edge

3,4 is suffered makes a concerted effort F just or near the installation direction that is parallel to handle of a knife 1, makes cutter can bear higher cutting force, therefore under the situation of this angle, can normally use fully.

Further, because two blades are symmetrically distributed, in turning process, two blades can both become main cutting edge.Said major and

minor cutting edge

3,4 is linear pattern or arc line type, and when major and

minor cutting edge

3,4 was linear pattern, major and

minor cutting edge

3,4 intersected formation V-type lathe tool.When major and

minor cutting edge

3,4 is arc line type, for example be the quadrant arc for major and

minor cutting edge

3,4, major and

minor cutting edge

3,4 intersects the semicircle lathe tool of formation.

With reference to Fig. 6, the thickness of said cutter head 2 is from point of a knife 5 attenuation gradually along its both sides respectively.The inboard of said cutter head 2 is the V-type groove; The thickness of cutter head 2 is from the point of a knife attenuation gradually along its both sides respectively, and with traditional being compared toward the lathe tool of middle attenuation by two ends, the intensity of the point of a knife 5 of present embodiment is higher; Sharper; Can bear higher cutting force, thereby can increase substantially the amount of feeding or cutting speed, reach the purpose that increases production efficiency.

With reference to Fig. 7, the V-type lathe tool in the utility model is installed on the lathe through knife rest vertically, and major and

minor cutting edge

3,4 is suffered makes a concerted effort F just or near the installation direction that is parallel to handle of a knife 1; The suffered external force of cutter can be directly transferred on the lathe through handle of a knife 1 and knife rest; Make cutter can bear higher cutting force, can improve its cutting data and cutting speed widely, but also strengthen its stability; Reduce the strain and its cutting vibration of handle of a knife, reduce surface roughness.

The above is the preferential embodiment of the utility model, as long as realize that with basic identical means the purpose of the utility model all belongs to the scope of the utility model protection.

Claims

1. V-type lathe tool; It is characterized in that: this lathe tool comprises handle of a knife, is the cutter head of positive V-type and is positioned at the major and minor cutting edge on the cutter head; Intersect and the formation point of a knife between the major and minor cutting edge; Major and minor cutting edge is intersected by front and back, secondary front and minor flank respectively and forms, and said major and minor cutting edge is positioned at the top of cutter head, and handle of a knife is connected with the below of cutter head.

2. a kind of V-type lathe tool according to claim 1 is characterized in that: the relief angle of said lathe tool, front clearance are respectively between 0 ° ~ 15 °.

3. a kind of V-type lathe tool according to claim 1 is characterized in that: the anterior angle of said lathe tool, front top rake angle are respectively between 0 ° ~ 80 °.

4. a kind of V-type lathe tool according to claim 1 is characterized in that: the thickness of said cutter head is from the point of a knife attenuation gradually along its both sides respectively.

5. a kind of V-type lathe tool according to claim 1 is characterized in that: said major and minor cutting edge is linear pattern or arc line type.