CN202212590U

CN202212590U - Grooving tool

Info

Publication number: CN202212590U
Application number: CN2011202418254U
Authority: CN
Inventors: 吴仕波
Original assignee: SHIYAN CITY JINHAIFENG AUTOMOBILE PARTS CO Ltd
Current assignee: SHIYAN CITY JINHAIFENG AUTOMOBILE PARTS CO Ltd
Priority date: 2011-07-11
Filing date: 2011-07-11
Publication date: 2012-05-09
Anticipated expiration: 2021-07-11

Abstract

The utility model relates to a grooving tool, which comprises a mandrel, a tool holder and a turning tool, wherein a tip with a V-shaped cross section is arranged at the center of one end part of the mandrel, and the turning tool is arranged on the cylindrical tool holder in a penetrating way; and the turning tool with a V-shaped groove is arranged at a slot accommodating side arranged in the middle of the tool holder, and the V-shaped groove is matched with the tip in a sliding way. The tool adopts a structure that the tip is matched with the V-shaped groove, and the axial feed is converted into the radial feed, so that the working procedure can be completed on an ordinary drilling machine, thereby the rigidity is ensured, the increase in a surface roughness value caused by the vibration phenomenon in the process of grooving is reduced, the friction in the structure is reduced, the operation is convenient in the use process, the service life is long, and the cost is greatly reduced.

Description

The grooving cutter

Technical field

The utility model belongs to field of machining, relates to a kind of grooving cutter, and particularly interior ring cutting groove cutter and outer shroud grooving cutter are particularly useful for the inside and outside annular groove processing of distance rod.

Background technology

In mechanical processing process, on casing or housing, the connecting rod part, the structure of processing inner and outer ring groove shape appears through regular meeting.Traditional processing method adopts CNC milling machine to process mostly, rotation of cutter high speed and revolution feeding, and equipment manufacturing cost height and work efficiency are slow, and processing cost is high.

The military car distance rod of east wind for example, this product is for forging, and structure is accurate particle, has very strong plasticity and mechanical property, and is very high to the requirement of cutter.This product of traditional diamond-making technique and cutter processing, inefficiency not only, operating difficulties, and cutter durable, service life is short.

Be necessary to develop a kind of new-type cutter, to adapt to such as the inner chamber grooving of products such as distance rod, casing, housing and connecting rod and the processing of outer groove for this reason.

Summary of the invention

The utility model is slow for the work efficiency that solves above-mentioned prior art and exist, operating difficulties and the high problem of processing cost; And a kind of grooving cutter proposed, with the interior ring cutting groove of the inner chamber grooving that is applicable to products such as casing, housing and connecting rod and the outer shroud grooving of outer groove processing.

The utility model is realized through following scheme:

Above-mentioned grooving cutter comprises mandrel, knife rest, lathe tool; Said mandrel middle part has radial perforation, and end central authorities are outward extended with V-shaped top of cross section; Said knife rest one end has the axial slide that the end caves inward, and the middle part has radially slotted eye; Chute has radial symmetric and runs through a pair of mounting hole and the bottom perforated of sidewall; This is axial setting to mounting hole, is complementary with the radial perforation of mandrel, and perforation connects chute and slotted eye radially, with the top also matched in clearance that is complementary of mandrel; Radially slotted eye passes the central axis of knife rest; Chute and mandrel are slidingly matched, and toply are arranged in perforation; Be provided with back-moving spring between the end face of chute and mandrel; Spacing through the split pin assembling between described knife rest and the mandrel, the mounting hole of knife rest is passed in split pin and the radial perforation of mandrel fixes, and transmits moment of torsion; Said lathe tool is installed in the radially slotted eye of knife rest, has cutter hub and cutter head, and the middle part of cutter hub is provided with V-shaped groove near a side of mandrel, and the top of this V-shaped groove and mandrel is complementary, the two sliding connection; Cutter hub and radially be provided with support spring between the bottom land of slotted eye.

Described grooving cutter, wherein: said radially slotted eye offers than aperture in the cell wall of notch opposite side; The less alloy cutter head that said lathe tool has cutter hub and protrudes out from cutter hub one end should be than small bit tool from passing than aperture, and the two gap is slidingly matched.

Described grooving cutter, wherein: said cutter also comprises location bearing, is fixed on the other end of this knife rest through bolts assemblies.

Described grooving cutter, wherein: the alloy cutter head that said lathe tool has cutter hub and protrudes out downwards from cutter hub one end, cutter hub are placed in the radially slotted eye of knife rest, are slidingly matched with slotted eye radially.

Described grooving cutter, wherein: said cutter hub and radially be provided with two support springs between the cell wall of slotted eye.

Described grooving cutter, wherein: said cutter also includes base, and this base is that cross section is the column structure of " worker " shape, fixedly is assemblied in the other end of knife rest.

Described grooving cutter, wherein: said cutter also includes bearing, and this bearing mount is in the lower end of this base.

Beneficial effect:

The cutter of the utility model is converted into radial feed owing to adopt the top structure that cooperates with V-shaped groove with axial feed, on common driller, just can accomplish this operation, thereby reduce equipment cost; This cutter structure is careful, has very strong science, and cutter head is under narrow and long situation; Guarantee rigidity, reduced oscillation phenomenon in the grooving process and the surface roughness value that causes increases, reduced friction on the structure; In use easy to operate; Long service life, work efficiency greatly improves, and cost reduces greatly.

Description of drawings

Fig. 1 is the front view of ring cutting groove cutter in the utility model;

Fig. 2 is the side view of ring cutting groove cutter in the utility model;

Fig. 3 is the A-A cutaway view of Fig. 2;

Fig. 4 is the front view of the utility model outer shroud grooving cutter;

Fig. 5 is the side view of the utility model outer shroud grooving cutter;

Fig. 6 is the B-B cutaway view of Fig. 5.

The specific embodiment

To shown in Figure 3, the interior ring cutting groove cutter 1 of the utility model comprises mandrel 11, knife rest 12, interior ring lathe tool 13 and location bearing 14 like Fig. 1; Wherein

Mandrel 11 1 ends are connected with the lathe assembling, and the other end and knife rest 12 are slidingly connected, and the middle part has radial perforation 110; It is top 111 that the end central authorities of this other end are outward extended with, and top 111 cross section is V-shaped;

Knife rest 12 is a column construction, and an end has the axial slide 121 that the end caves inward, and the middle part has radially slotted eye 124; Chute 121 has radial symmetric and runs through a pair of mounting hole 122 and bottom perforated 123 of sidewall; This is axial setting to mounting hole 122, is complementary with the radial perforation 13 of mandrel 11, and perforation 123 connects chutes 121 and slotted eye 124 radially, with top 111 of the mandrel 11 also matched in clearance that is complementary; Radially slotted eye 124 passes the central axis of knife rest 12, and offers than aperture 127 in the cell wall 126 of notch opposite side;

The chute 121 of knife rest 12 is slidingly matched with the other end of mandrel 11, and in it was contained in, top 111 were arranged in perforation 122; Be provided with back-moving spring 125 between the end face of the end that is slidingly matched of chute 121 and mandrel 11;

Spacing through split pin 15 assemblings between knife rest 12 and the mandrel 11, the mounting hole 122 of knife rest 12 is passed in split pin 15 and the radial perforation 110 of mandrel 11 fixes, and transmits moment of torsion;

Interior ring lathe tool 13 is installed in the radially slotted eye 122 of knife rest 12; Have cutter hub 131 and from cutter hub 131 1 ends protrude out than small bit tool 133; The middle part of cutter hub 131 is provided with V-shaped groove 132 near a side of mandrel 11, and this V-shaped groove 132 is complementary the two sliding connection with top 111 of mandrel 11; Cutter head 133 is an alloy cutter head, and from passing than aperture 127, the two gap is slidingly matched;

Be provided with support spring 134 between the cell wall 126 of the cutter hub 131 of lathe tool 13 and the radially slotted eye 124 of knife rest 12;

Lathe tool 13 is assemblied in knife rest 12, fixes with cooperating of V-shaped groove 132 through top 111 of support spring 134 and the mandrel 11 that is arranged in knife rest 12;

Location bearing 14 is a thrust bearing, plays guiding, positioning action, is fixed on the other end of knife rest 12 through bolts assemblies.

The operation principle of inside groove cutter 1:

As shown in Figure 1, to be applied to drilling machine, the processing distance rod is an example; Under the high speed rotation status, cutter hub is stretched into the distance rod inner chamber, 14 guiding of thrust bearing, positioning action, mandrel 11 is under responsive to axial force; Top 111 promote lathe tool 13 radial feeds, and the excision inside groove cuts the back mandrel 11 rapid returns under the screen resilience effect of back-moving spring 125 that finish; Top 111 leave lathe tool, this moment under the screen resilience effect of support spring 134 lathe tool 13 returns, withdrawing.

To shown in Figure 6, the outer shroud grooving cutter 2 of the utility model comprises mandrel 21, knife rest 22, outer shroud lathe tool 23, base 24 and location bearing 25 like Fig. 4; Wherein

Mandrel 21 1 ends are connected with the lathe assembling, and the other end and knife rest 22 are slidingly connected, and the middle part has radial perforation (not shown); It is top 211 that the end central authorities of this other end are outward extended with, and top 211 cross section is V-shaped;

Knife rest 22 is a column construction, and an end has the axial slide 221 that the end caves inward, and the middle part has radially slotted eye 224; Chute 221 has radial symmetric and runs through a pair of mounting hole 222 and bottom perforated 223 of sidewall; This is axial setting to mounting hole 222, is complementary with the radial perforation 23 of mandrel 21, and perforation 223 connects chutes 221 and slotted eye 224 radially, with top 211 of the mandrel 21 also matched in clearance that is complementary; Radially slotted eye 224 passes the central axis of knife rest 22;

The chute 221 of knife rest 22 is slidingly matched with the other end of mandrel 21, and in it was contained in, top 211 were arranged in perforation 222; Be provided with back-moving spring 225 between the end face of the end that is slidingly matched of chute 221 and mandrel 21;

Spacing through split pin 26 assemblings between knife rest 22 and the mandrel 21, the mounting hole 222 of knife rest 22 is passed in split pin 26 and the radial perforation (not shown) of mandrel 21 fixes, and transmits moment of torsion;

Outer shroud lathe tool 23 is installed in the radially slotted eye 222 of knife rest 22; The cutter head 233 that has cutter hub 231 and protrude out downwards from cutter hub 231 1 ends; The middle part of cutter hub 231 is provided with V-shaped groove 232 near a side of mandrel 21, and this V-shaped groove 232 is complementary the two sliding connection with top 211 of mandrel 21; Cutter hub 231 is placed in the radially slotted eye 224 of knife rest 22; Cutter head 233 is an alloy cutter head; From this radially the notch of slotted eye 224 pass; Cutter hub 231 is slidingly matched with slotted eye 224 radially, and at cutter hub 231 and radially be provided with support spring 234 between the cell wall 226 of slotted eye 224, this support spring 234 is two in the illustrated embodiment;

Outer shroud lathe tool 23 is assemblied in knife rest 22, fixes with cooperating of V-shaped groove 232 through top 211 of support spring 234 and the mandrel 21 that is arranged in knife rest 22;

Base 24 fixedly is assemblied in the other end of knife rest 22 for cross section is the column structure of " worker " shape;

25 guiding of bearing, positioning action, mount is in the lower end of base 24.

The operation principle of water jacket cutter 2:

As shown in Figure 4; Being applied to drilling machine, processing distance rod water jacket is an example: under the high speed rotation status, outer shroud lathe tool 23 front ends are passed the inner ring matched in clearance of workpiece lumen and anchor clamps bearing 25, bearing 25 plays guiding, the effect of locating, reduce friction; Machine tool chief axis is under responsive to axial force; Drive top 211 of mandrel 21 and promote lathe tool 23 radial feeds, support spring 234 is compressed, lathe tool 23 free shrink excision water jacket.Cutting finishes the back under the screen resilience effect of back-moving spring 225, mandrel 21 rapid returns, and top 211 leave lathe tool 23, and laterally dual spring 234 promotes lathe tool, leaves working groove, withdrawing.

Inside groove cutter of the utility model and water jacket cutter owing to adopt the top structure that cooperates with V-shaped groove of V-arrangement, are converted into radial feed with axial feed, on common driller, just can accomplish this operation, thereby reduce equipment cost;

This cutter structure is careful simultaneously, has very strong science, and cutter head has guaranteed rigidity under narrow and long situation, has reduced oscillation phenomenon in the grooving process and the surface roughness value that causes increases, and has reduced friction on the structure;

Cutter head adopts Hardmetal materials to strengthen the durability of cutter head, and this cutter is in use easy to operate, longer service life.

The protection domain of non-so limitation the utility model so use the equivalence techniques variation that the utility model specification and diagramatic content do such as, all is contained in the protection domain of the utility model.

Claims

1. grooving cutter, it is characterized in that: said cutter comprises mandrel, knife rest, lathe tool;

Said mandrel middle part has radial perforation, and end central authorities are outward extended with V-shaped top of cross section;

Said knife rest one end has the axial slide that the end caves inward, and the middle part has radially slotted eye; Chute has radial symmetric and runs through a pair of mounting hole and the bottom perforated of sidewall; This is axial setting to mounting hole, is complementary with the radial perforation of mandrel, and perforation connects chute and slotted eye radially, with the top also matched in clearance that is complementary of mandrel; Radially slotted eye passes the central axis of knife rest; Chute and mandrel are slidingly matched, and toply are arranged in perforation; Be provided with back-moving spring between the end face of chute and mandrel;

Spacing through the split pin assembling between described knife rest and the mandrel, the mounting hole of knife rest is passed in split pin and the radial perforation of mandrel fixes, and transmits moment of torsion;

Said lathe tool is installed in the radially slotted eye of knife rest, has cutter hub and cutter head, and the middle part of cutter hub is provided with V-shaped groove near a side of mandrel, and the top of this V-shaped groove and mandrel is complementary, the two sliding connection; Cutter hub and radially be provided with support spring between the bottom land of slotted eye.

2. grooving cutter as claimed in claim 1 is characterized in that: said radially slotted eye is offered porose in the cell wall of notch opposite side;

The alloy cutter head that said lathe tool has cutter hub and protrudes out from cutter hub one end, this cutter head passes from this hole, and the two gap is slidingly matched.

3. grooving cutter as claimed in claim 2 is characterized in that: said cutter also comprises location bearing, is fixed on the other end of this knife rest through bolts assemblies.

4. grooving cutter as claimed in claim 1 is characterized in that: the alloy cutter head that said lathe tool has cutter hub and protrudes out downwards from cutter hub one end, cutter hub are placed in the radially slotted eye of knife rest, are slidingly matched with slotted eye radially.

5. grooving cutter as claimed in claim 4 is characterized in that: said cutter hub and radially be provided with two support springs between the cell wall of slotted eye.

6. grooving cutter as claimed in claim 4 is characterized in that: said cutter also includes base, and this base is that cross section is the column structure of " worker " shape, fixedly is assemblied in the other end of knife rest.

7. grooving cutter as claimed in claim 6 is characterized in that: said cutter also includes bearing, and this bearing mount is in the lower end of this base.