CN207239176U - A kind of lathe tools - Google Patents

Abstract

The utility model discloses a kind of lathe tools, solve existing knife bar to be installed in the mounting hole of tool apron by knife bar retaining sleeve interference fit, since knife bar overhang is less, operating personnel are difficult to grip the problem of knife bar slides when mounted, it is characterized in that, the outer circumferential surface of knife bar is simultaneously arranged with some limited ring grooves along its length, tool apron is provided with inlay card in the flexible fixture block in limited ring groove close to the end face distance of knife bar, tool apron is provided with close to the end face of knife bar is connected to flexible fixture block so that flexible fixture block has the driving mechanism for being connected in limited ring groove trend, a kind of lathe tools of the utility model, improve the installation effectiveness of operating personnel.

Description

A kind of lathe tools

Technical field

Numerically controlled lathe is the utility model is related to, more particularly to a kind of lathe tools.

Background technology

In existing processing technology, many lathe tools are used to process bore hole and cut groove, general lathe tools include cutter head, Knife bar and tool apron, the mounting hole of installation knife bar is offered on tool apron, and one end of knife bar is connected with cutter head, and the other end of knife bar can Remove and install on tool apron, in work pieces process, according to bore hole or the depth specification of groove is cut, first between presetting cutter head and tool apron Length, i.e., first presetting knife bar overhang simultaneously installs knife bar to tool apron, after precisely aligned by numerically-controlled machine tool again.

A kind of mounting means of existing knife bar, is by setting a knife bar retaining sleeve, knife bar between knife bar and installing port Retaining sleeve is installed by way of interference fit, it is necessary to which operating personnel are struck knife bar retaining sleeve to knife bar and installation by hammer etc. Between seat, using such a mounting means, the bonding strength between knife bar and tool apron is preferable, but operating personnel must use when tapping Hand grips the knife bar for mixing up length in advance in the hand, avoids knife bar since the effect of gravity is slid into the mounting hole of tool apron, During percussion, the shorter knife bar of some knife bar overhangs is difficult to hold with a hand, and easily taps the hand to operating personnel, therefore, is improved Lathe tools are particularly important.

Utility model content

The purpose of this utility model is to provide a kind of lathe tools, knife bar can be limited into row position when installing knife bar Fixed, lifting operating personnel install the efficiency of knife bar.

The above-mentioned technical purpose of the utility model technical scheme is that：

A kind of lathe tools, including knife bar and tool apron, the tool apron are equipped with the mounting hole for being used for installing knife bar, the knife The outer circumferential surface of bar is simultaneously arranged with some limited ring grooves along its length, and the tool apron is provided with card close to the end face distance of knife bar Flexible fixture block in limited ring groove, the tool apron is provided with close to the end face of knife bar is connected to flexible fixture block so that flexible card Block has the driving mechanism for being connected in limited ring groove trend.

Using above-mentioned technical proposal, by knife bar outer circumferential surface and be arranged with some limited ring grooves along its length, The end face distance of knife bar is provided with inlay card in tool apron tool apron knife bar is installed in the flexible fixture block in limited ring groove, operating personnel During into the mounting hole of tool apron, the fixture block inlay card that stretches avoids knife bar from sliding to the installation of tool apron in limited ring groove inner support knife bar Kong Zhong, improves the efficiency that operating personnel install knife bar；Flexible card is connected to by being provided with tool apron close to the end face of knife bar For block so that flexible fixture block has the driving mechanism for being connected in limited ring groove trend, operating personnel can make flexible card using driving mechanism Block is connected in limited ring groove or from making flexible fixture block depart from out of limited ring groove.

Preferably, the driving mechanism includes gag lever post and supporting rod, the gag lever post is set along the radial direction of knife bar, institute State the one end of gag lever post away from knife bar to be connected with supporting rod, the one end of the supporting rod away from gag lever post is with tool apron close to knife bar End face connects, and the through hole for flexible fixture block sliding is provided with the gag lever post, the gag lever post is close to one end edge of knife bar Extending internally has baffle ring, and the described one end of flexible fixture block away from knife bar is provided with position limiting convex ring and is connected on the inside of baffle ring, described It is provided with gag lever post and is connected to flexible fixture block so that flexible fixture block has the elastic component for being connected in limited ring groove trend.

Using above-mentioned technical proposal, gag lever post is set along the radial direction of knife bar, gag lever post one end and supporting rod away from knife bar Connection, the one end of supporting rod away from gag lever post are connected with tool apron close to the end face of knife bar, realize that driving device can make flexible fixture block It is connected in limited ring groove or departs from out of limited ring groove；By being provided with the through hole slid for flexible fixture block in gag lever post, Flexible fixture block is slidably connected with gag lever post inner wall；By gag lever post extend internally close to one end edge of knife bar have baffle ring and The flexible one end of fixture block away from knife bar is provided with position limiting convex ring and is connected on the inside of baffle ring, when flexible fixture block is moved to knife bar direction When, position limiting convex ring avoids flexible fixture block from departing from out of gag lever post with being clamped on the inside of baffle ring；By being provided with connection in gag lever post In flexible fixture block so that flexible fixture block has an elastic component for being connected in limited ring groove trend, the elastic component trend fixture block that stretches is connected in Limited ring groove, it is not easily to fall off when flexible fixture block is clamped with limited ring groove, strengthen flexible fixture block and the stabilization of limited ring groove clamping Property.

Preferably, the gag lever post is provided with opening, the position limiting convex ring on one end periphery of elastic clamping block Gag lever post and the connecting plate being arranged in opening are provided perpendicular to relative to the side of opening.

Using above-mentioned technical proposal, by being provided with opening on one end periphery of the gag lever post close to elastic clamping block, limit Position bulge loop is provided perpendicular to gag lever post relative to the side of opening and the connecting plate being arranged in opening, operating personnel can make Connecting plate moves axially in opening along gag lever post, and connecting plate drives the fixture block that stretches when stretching fixture block movement to be taken off out of limited ring groove From.

Preferably, the elastic component is compression spring, one end of the compression spring is connected to flexible fixture block positioned at limit One end in the bar of position, the other end of the compression spring are connected to the support club body being connected with gag lever post.

Using above-mentioned technical proposal, by one end of compression spring is connected to that flexible fixture block is located in gag lever post one End, the other end for compressing spring are connected to the support club body being connected with gag lever post, have flexible fixture block and are connected in spacing ring Groove trend.

Preferably, the flexible fixture block be provided with the end face that abuts of compression spring for compress spring wear it is spacing Column.

Using above-mentioned technical proposal, by being provided with the end face that flexible fixture block is abutted with compressing spring for compression spring The limited post worn, avoids compression spring from bending when compressed and influence to use, while makes flexible fixture block along compression spring side To uniform force.

Preferably, the part that the flexible fixture block is connected in limited ring groove is arc-shaped.

Using above-mentioned technical proposal, it is arc-shaped by the part for setting flexible fixture block to be connected in limited ring groove, makes to stretch Fixture block is easily connected in limited ring groove.

Preferably, the bottom of the supporting rod is provided with perforation, tool apron is provided with the end face of knife bar for support The storage tank of bar bottom grafting, is provided with the countersunk screw holes for being communicated in storage tank, the countersunk head spiral shell on the outer circumferential surface of the tool apron The screw for being plugged in perforation is equipped with hole.

Using above-mentioned technical proposal, perforated by being set in the bottom of supporting rod, set on end face of the tool apron close to knife bar The storage tank for the grafting of supporting rod bottom is put, the countersunk screw holes for being communicated in storage tank are set on the outer circumferential surface of tool apron, screw is worn If supporting rod is arranged in storage tank by countersunk screw holes and perforation, supporting rod is set to be circumferentially rotated along screw.

Preferably, the storage tank extends to perpendicular to the direction of screw, the length of the storage tank and supporting rod Equal length, the one end of the storage tank away from supporting rod bottom extend vertically the groove housed for telescopic rod.

Using above-mentioned technical proposal, storage tank is extended to perpendicular to the direction of screw, makes length and the support of storage tank The equal length of bar, and the groove housed for telescopic rod is extended vertically in the one end of storage tank away from supporting rod bottom, pass through Supporting rod, which rotates, can be such that supporting rod is fastened in storage tank and telescopic rod is fastened in groove, avoid because of supporting rod or telescopic rod Lathe process bore hole is influenced on the end face of tool apron and cuts groove.

Preferably, the position that the side wall of the groove corresponds to flexible fixture block is provided with for the spacing of spacing block set clamping Hole.

Using above-mentioned technical proposal, it is provided with by the position for corresponding to flexible fixture block in the side wall of groove for spacing block set The limit hole of clamping, makes flexible fixture block be connected in limit hole when telescopic rod is fastened in groove, further stablize telescopic rod with The stability of groove engaging, telescopic rod departs from influence out of groove and uses when avoiding lathe process bore hole and cutting groove.

Preferably, the flexible fixture block respectively sets one relative to the both sides of knife bar, the tool apron is close to the end of knife bar A driving mechanism is each provided with face and in the position of flexible fixture block.

Using above-mentioned technical proposal, by respectively setting a flexible fixture block in the both sides of knife bar, in tool apron close to knife bar A driving mechanism is each provided with end face and in the position of flexible fixture block, flexible fixture block is symmetrical arranged, and flexible fixture block inlay card exists Make knife bar both ends uniform stressed during limited ring groove inner support knife bar, support effect is good.

In conclusion the utility model has the advantages that：

1. by knife bar outer circumferential surface and be arranged with some limited ring grooves along its length, the upper surface of tool apron away from From inlay card is provided with the flexible fixture block in limited ring groove, when operating personnel install knife bar into the mounting hole of tool apron, stretch card Block inlay card avoids knife bar from sliding into the mounting hole of tool apron, so as to avoid the repetition of knife bar in limited ring groove inner support knife bar Installation, improves the efficiency that operating personnel install knife bar.

2. by respectively setting a flexible fixture block in the both sides of knife bar, on end face of the tool apron close to knife bar and in flexible card The position of block is each provided with a driving mechanism, and flexible fixture block is symmetrical arranged, and the fixture block inlay card that stretches is in limited ring groove inner support knife Make knife bar both ends uniform stressed during bar, support effect is good.

Brief description of the drawings

Fig. 1 is the structure diagram of lathe tools in the present embodiment；

Fig. 2 is the diagrammatic cross-section at A-A in Fig. 1；

Fig. 3 is the close-up schematic view of lathe tools in the present embodiment；

Fig. 4 is the enlarged diagram at B in Fig. 2；

Fig. 5 is the exploded perspective view of driving mechanism and flexible fixture block in the present embodiment；

Fig. 6 is the knife bar structure diagram that installation is complete in the present embodiment.

In figure：1st, knife bar；11st, limited ring groove；2nd, tool apron；21st, limited ring groove；22nd, mounting hole；221st, annular stop is convex Rise；23rd, storage tank；24th, countersunk screw holes；25th, groove；251st, limit hole；3rd, cutter head；4th, knife bar retaining sleeve；41st, expansion hatch；42、 Limited ring groove；43rd, defining flange；5th, stretch fixture block；51st, position limiting convex ring；52nd, limited post；6th, driving mechanism；61st, gag lever post； 611st, through hole；612nd, baffle ring；613rd, elastic component；614th, it is open；62nd, supporting rod；621st, perforate；7th, screw；8th, connecting plate.

Embodiment

The utility model is described in further detail below in conjunction with attached drawing.

The utility model discloses a kind of lathe tools, as shown in Figure 1, including knife bar 1, tool apron 2 and cutter head 3, on tool apron 2 End is in cylindrical structure, and lower end is tapered, and the periphery in 2 upper end of tool apron is provided with for installing to the limited ring groove on lathe 21。

With reference to Fig. 1 and Fig. 2, the top end surface center of tool apron 2 offers the rounded mounting hole for installing knife bar 1 22, the basal sliding of knife bar 1 is installed in mounting hole 22, and the top of knife bar 1 is connected with cutter head 3, top end surface, that is, knife of tool apron 2 Seat 2 is close to the end face of knife bar 1 perpendicular to knife bar 1.

With reference to Fig. 2 and Fig. 3, knife bar retaining sleeve 4 is provided between knife bar 1 and mounting hole 22, knife bar retaining sleeve 4 is in cylinder Shape, the internal diameter of the bottom of knife bar retaining sleeve 4 is equal with the outside diameter of knife bar 1, outside diameter and the mounting hole 22 of 4 bottom of knife bar retaining sleeve Internal diameter is equal, and one end of knife bar retaining sleeve 4 is along the circumferential direction arranged with some expansions set along 4 length direction of knife bar retaining sleeve Mouth 41, the quantity of expansion hatch 41 is preferably three.

With reference to Fig. 2 and Fig. 4, limited ring groove 42 is respectively arranged with the both ends periphery of knife bar retaining sleeve 4, in installing port Position in 22 corresponding to two limited ring grooves 42 is provided with the annular stop protrusion 221 being clamped with limited ring groove 42, limited ring groove 42 and defining flange 221 set in the arc-shaped that is clamped mutually, and the opening edge on the top of the knife bar retaining sleeve 4 is along footpath To defining flange 43 is outward extended with, set on the outer circumferential surface of defining flange 43 in circular arc, when knife bar 1 is installed, knife bar clamping Two limited ring grooves 42 interference fit of set 4 is connected between knife bar 1 and mounting hole 22, to ensure that knife bar 1 firmly installs, in knife When bar 1 is dismantled, it is inserted into by instrument between flange 43 and tool apron 2 so that knife bar retaining sleeve 4 to be prized, so that knife bar 1 be taken out.

With reference to Fig. 1 and Fig. 4, the outer circumferential surface of knife bar 1 is simultaneously arranged with some limited ring grooves 11 along its length, and tool apron 2 leans on The end face distance of nearly knife bar 1 is provided with inlay card and sets, stretch in cylinder in the flexible fixture block 5 in limited ring groove 11, the fixture block 5 that stretches The part that contracting fixture block 5 is connected in limited ring groove 11 is arc-shaped.

With reference to Fig. 1 and Fig. 5, tool apron 2 is provided with close to the end face of knife bar 1 is connected to flexible fixture block 5 so that flexible fixture block 5 has There is the driving mechanism 6 for being connected in 11 trend of limited ring groove, driving mechanism 6 includes gag lever post 61 and supporting rod 62,61 He of gag lever post Supporting rod 62 is metal material, and gag lever post 61 is in cylinder, and the through hole slid for flexible fixture block 5 is provided with gag lever post 61 611, the through hole 611 is preferably circular, gag lever post 61 along knife bar 1 radial direction set, the one end of gag lever post 61 away from knife bar 1 with Supporting rod 62 connects, it is preferred to use the mode of welding connects, and supporting rod 62 is rectangle column structure, and supporting rod 62 is away from spacing One end of bar 61 is connected with tool apron 2 close to the end face of knife bar 1, and the bottom of supporting rod 62 is provided with perforation 621.

With reference to Fig. 3 and Fig. 5, tool apron 2 is provided with the storage tank for 62 bottom grafting of supporting rod on the end face of knife bar 1 23, the countersunk screw holes 24 for being communicated in storage tank 23 are provided with the outer circumferential surface of tool apron 2, are equipped with to be plugged in countersunk screw holes 24 and are worn The screw 7 in hole 621, screw 7 preferably use soket head cap screw.Gag lever post 61 extends internally close to one end edge of knife bar 1 gear Ring 612, the flexible one end of fixture block 5 away from knife bar 1 is provided with position limiting convex ring 51 and is connected in the inner side of baffle ring 612, in gag lever post 61 It is provided with and is connected to flexible fixture block 5 so that flexible fixture block 5 has the elastic component 613 for being connected in 11 trend of limited ring groove, elastic component 613 preferably using compression spring, and the one end for compressing spring is connected to one end that flexible fixture block 5 is located in gag lever post 61, and flexible The limited post 52 worn for compression spring is provided with the end face that fixture block 5 is abutted with compression spring, the limited post 52 is in cylinder Shape is set, and the other end for compressing spring is connected to 62 shaft of supporting rod being connected with gag lever post 61.

As shown in figure 5, gag lever post 61 is provided with opening 614 on one end periphery of elastic clamping block 5, opening 614 is excellent Elect kidney-shaped as, position limiting convex ring 51 is provided perpendicular to gag lever post 61 relative to the side of opening 614 and is arranged in opening 614 Connecting plate 8.

With reference to Fig. 3 and Fig. 5, storage tank 23 extends to perpendicular to the direction of screw 7, length and the supporting rod 62 of storage tank 23 Equal length, the one end of storage tank 23 away from 62 bottom of supporting rod extend vertically for gag lever post 61 house groove 25, it is recessed The position that the side wall of groove 25 corresponds to flexible fixture block 5 is provided with the limit hole 251 being clamped for flexible convex block 5.

With reference to Fig. 1 and Fig. 5, flexible fixture block 5 described above respectively sets one relative to the both sides of knife bar 1, and tool apron 2 leans on A driving mechanism 6 is each provided with the end face of nearly knife bar 1 and in the position of flexible fixture block 5.

When installing knife bar 1, first knife bar retaining sleeve 4 is installed in the mounting hole 22 of tool apron 2, makes limited ring groove 42 and limit Position flange 221 is set in the arc-shaped being clamped mutually, then knife bar 1 is inserted into knife bar retaining sleeve 4, by the branch of driving mechanism 6 Strut 62 is stretched out from storage tank 23 and gag lever post 61 is stretched out out of groove 43, flexible fixture block 5 is connected in the limit of knife bar 1 In the annular groove 11 of position, preliminary position restriction is carried out to knife bar 1, knife bar retaining sleeve 4 is tapped at this time and limits knife bar 1 installed in installation In hole 22.

Flexible fixture block 5 is departed from the limited ring groove 11 of knife bar 1, then the support by driving mechanism 6 after installation is complete by knife bar 1 Bar 62 is placed in storage tank 23 and gag lever post 61 is placed in groove 43, flexible fixture block 5 is connected in the spacing of groove 25 In block 251, lathe tools state as shown in Figure 6.

This specific embodiment is only explanation to the utility model, it is not the limitation to the utility model, ability Field technique personnel as needed can make the present embodiment the modification of no creative contribution after this specification is read, but As long as all protected in the right of the utility model be subject to Patent Law.

Claims (10)

1. a kind of lathe tools, including knife bar（1）And tool apron（2）, the tool apron（2）It is equipped with and is used to knife bar be installed（1）Peace Fill hole（22）, it is characterized in that：The knife bar（1）Outer circumferential surface and be arranged with some limited ring grooves along its length（11）, institute State tool apron（2）Close to knife bar（1）End face distance be provided with inlay card in limited ring groove（11）Interior flexible fixture block（5）, the knife Seat（2）Close to knife bar（1）End face be provided with and be connected to flexible fixture block（5）So that flexible fixture block（5）With being connected in spacing ring Groove（11）The driving mechanism of trend（6）.

2. a kind of lathe tools according to claim 1, it is characterized in that：The driving mechanism（6）Including gag lever post（61） And supporting rod（62）, the gag lever post（61）Along knife bar（1）Radial direction set, the gag lever post（61）Away from knife bar（1）One End and supporting rod（62）Connection, the supporting rod（62）Away from gag lever post（61）One end and tool apron（2）Close to knife bar（1）End Face connects, the gag lever post（61）Inside it is provided with for flexible fixture block（5）The through hole of sliding（611）, the gag lever post（61）It is close Knife bar（1）One end edge extend internally and have baffle ring（612）, the flexible fixture block（5）Away from knife bar（1）One end set it is limited Position bulge loop（51）And it is connected in baffle ring（612）Inner side, the gag lever post（61）Inside it is provided with and is connected to flexible fixture block（5）So as to stretch Contracting fixture block（5）With being connected in limited ring groove（11）The elastic component of trend（613）.

3. a kind of lathe tools according to claim 2, it is characterized in that：The gag lever post（61）Close to the one of elastic clamping block Opening is provided with the periphery of end（614）, the position limiting convex ring（51）Relative to opening（614）Side be provided perpendicular to limit Position bar（61）And it is arranged in opening（614）Interior connecting plate（8）.

4. a kind of lathe tools according to claim 3, it is characterized in that：The elastic component（613）It is described to compress spring One end of compression spring is connected to flexible fixture block（5）Positioned at gag lever post（61）Interior one end, the other end of the compression spring support It is connected to and gag lever post（61）The supporting rod of connection（62）Shaft.

5. a kind of lathe tools according to claim 4, it is characterized in that：The flexible fixture block（5）Abutted with compression spring End face on be provided with for the limited post that wears of compression spring（52）.

6. a kind of lathe tools according to claim 5, it is characterized in that：The flexible fixture block（5）It is connected in limited ring groove （11）Part be arc-shaped.

7. according to claim to a kind of lathe tools of 2 to 6 any one of them, it is characterized in that：The supporting rod（62）Bottom Portion is provided with perforation（621）, tool apron（2）Close to knife bar（1）End face on be provided with for supporting rod（62）Bottom grafting houses Groove（23）, the tool apron（2）Outer circumferential surface on be provided with and be communicated in storage tank（23）Countersunk screw holes（24）, the countersunk screw holes （24）Inside it is equipped with and is plugged in perforation（621）Screw（7）.

8. a kind of lathe tools according to claim 7, it is characterized in that：The storage tank（23）To perpendicular to screw（7） Direction extension, the storage tank（23）Length and supporting rod（62）Equal length, the storage tank（23）Away from support Bar（62）One end of bottom extends vertically the groove housed for telescopic rod（25）.

9. a kind of lathe tools according to claim 8, it is characterized in that：The groove（25）Side wall correspond to flexible card Block（5）Position be provided with for spacing block set clamping limit hole（251）.

10. a kind of lathe tools according to claim 9, it is characterized in that：The flexible fixture block（5）Relative to knife bar（1） Both sides respectively set one, the tool apron（2）Close to knife bar（1）End face on and in flexible fixture block（5）Position be each provided with One driving mechanism（6）.