CN210475569U

CN210475569U - Lathe tool tooling

Info

Publication number: CN210475569U
Application number: CN201921405277.7U
Authority: CN
Inventors: 程采金; 高安阳; 王成
Original assignee: Masteel Heavy Machinery Manufacturing Co Of Anhui
Current assignee: Masteel Heavy Machinery Manufacturing Co Of Anhui
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-05-08
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses a lathe tool frock belongs to lathe processing technology field. It includes cutter unit spare and centre gripping subassembly, and cutter unit spare includes cutter arbor, blade holder and first mounting, and cutter arbor one end is connected with the blade holder to it is whole to become the cutter through first mounting is fixed, and centre gripping subassembly includes holder, connecting piece and second mounting, and the holder cladding is in the cutter arbor outside, and through the fixed relative position with the cutter arbor of second mounting, the connecting piece is connected with the holder. The lathe machining of the workpiece is completed through the cutter assembly, the clamping assembly completes clamping of the cutter, the cutter is not required to be directly mounted on the cutter rest, clamping is convenient, the clamping assembly is convenient to mount, the cutter is convenient to adjust in length, the machining range of the lathe is enlarged to a certain extent, and the lathe is simple in structure and convenient to use.

Description

Lathe tool tooling

Technical Field

The utility model belongs to the technical field of lathe processing, more specifically say, relate to a lathe tool frock.

Background

The lathe is a machine tool which mainly uses a lathe tool to perform turning processing on a rotating workpiece; the lathe can also be used for correspondingly processing a drill bit, a reamer, a screw tap, a die, a knurling tool and the like, the processing efficiency of a workpiece is higher, particularly, the processing of an excircle, an inner hole, a thread and the like is incomparable to other rotary machine tools, but when special parts are processed, the processing difficulty is greatly increased due to the limitation of the processing range of the lathe and a processing tool. In the prior art, the structure of a cutter is often improved, so that the lathe overcomes the limitation on the machining range to a certain extent.

The improvement on the cutter structure, for example, Chinese patent application numbers are: 200620001960.0, filing date: 2006.01.27A close-fitting interchangeable blade holder, comprising: the cutter comprises a cutter bar and a cutter blade, wherein the front end of the cutter bar is provided with a joint sealing end head and a cutter blade seat matched with the joint sealing end head, the joint sealing end head is in a wedge shape with two inclined surfaces, the two inclined surfaces are provided with teeth, the two inner inclined surfaces with teeth of the cutter blade seat are matched with the teeth on the two inclined surfaces, and the cutter blade is arranged on the cutter blade seat. The cutter bar has good adaptability and versatility, meets the requirements of the cutter blade and the cutter body caused by cutting different workpieces in the machining process, and reduces the cost; however, the installation position of the cutter bar on the cutter rest is limited, so that the cutter bar is inconvenient to clamp, the machining range of the cutter on a lathe is limited, and the machining of some special parts cannot be finished.

Also, for example, the Chinese patent application number is: 201020190996.4, filing date: 2010.05.12, "improved lathe bit construction", comprising a shank having an engagement portion at one end; and a cutter head unit movably combined with the rod body, wherein one end of the cutter head unit is provided with a butt joint part movably connected with the assembling part, and the other end of the cutter head unit is provided with a cutting part. The structure of the tool bit is improved, the tool bit unit can be movably combined with the assembling part of the rod body through the butt joint part, and can be disassembled and replaced according to the actual condition, so that the effects of quick assembly and disassembly are achieved. However, the cutter rod is inconvenient to clamp and is not beneficial to use.

The Chinese patent application numbers are: 201520753940.8, filing date: 2015.09.12's "a square pole formula machine presss from both sides lathe tool", it includes dead lever, clamp, lathe tool, extruded article, fastening screw, and the dead lever sets up in the right position, and the clamp sets up in dead lever left side position and right side and leans on the position to fix with dead lever left end disjunctor, and the lathe tool sets up in the draw-in groove position that the clamp was established, and the extruded article pushes down the lathe tool form with the front and sets up on the clamp and leans on the inboard position, and fastening screw sets up in order to run through clamp, extruded article form. The turning tool is reliable in fixation, is not easy to loosen in operation, is convenient to mount on a lathe and is easy to reinforce, and is suitable for processing inner hole turning, workpiece cutting, inner hole grooving and the like on the lathe; under the condition of ensuring that the machining range of the lathe is large enough, the lathe is inconvenient to clamp and use.

Disclosure of Invention

1. Problems to be solved

Aiming at the problems that the processing range of the existing lathe is limited and the tool is inconvenient to clamp, the utility model provides a lathe tool; the lathe machining of the workpiece is completed through the cutter assembly, the clamping assembly completes clamping of the cutter, the cutter is not required to be directly mounted on the cutter rest, clamping is convenient, the clamping assembly is convenient to mount, the cutter is convenient to adjust in length, the machining range of the lathe is enlarged to a certain extent, and the lathe is simple in structure and convenient to use.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model discloses a lathe cutter frock, including cutter unit spare and centre gripping subassembly, cutter unit spare includes cutter arbor, blade holder and first mounting, cutter arbor one end is connected with the blade holder to become whole through the fixed one-tenth of first mounting, the centre gripping subassembly includes holder, connecting piece and second mounting, the holder is connected with the cutter arbor cooperation to through the fixed relative position with the cutter arbor of second mounting, the connecting piece is connected with the holder.

As a further improvement, the whole cutter arbor is a cylinder, and the cutter arbor surface is equipped with an assembly face at least.

As a further improvement, one end of the cutter bar connected with the cutter holder is provided with a positioning key, and the positioning key is connected with the cutter bar integral type.

As a further improvement of the utility model, a first fixing hole is arranged on the positioning key.

As a further improvement, one end of the cutter holder connected with the cutter bar is provided with a positioning groove, and the inner contour of the positioning groove is matched with the outer contour of the positioning key.

As a further improvement, the knife holder is further provided with a second fixing hole, the second fixing hole runs through the knife holder and is connected with the bottom surface of the positioning groove, and the first fixing member passes through the second fixing hole and is fixedly connected with the first fixing hole.

As a further improvement, the blade holder is further provided with a blade mounting groove and a blade, the blade mounting groove is located at one end surface of the blade holder away from the positioning groove, and the blade is fixed in the blade mounting groove through a compression screw.

As a further improvement, the holder surface is provided with mounting holes, the mounting holes are two in number at least, the second mounting passes the mounting holes and supports on the assembly surface at the cutter arbor surface.

3. Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a lathe tool completes the lathe work piece through the cutter unit, and the centre gripping subassembly accomplishes the centre gripping of cutter, and the cutter need not directly install on the knife rest, and the clamping is comparatively convenient, and the setting of centre gripping subassembly makes things convenient for the installation of cutter, makes things convenient for the cutter to adjust length simultaneously, enlarges the processing range of lathe to a certain extent, simple structure, convenient to use;

(2) the utility model discloses a lathe tool, cutter arbor and blade holder in the cutter subassembly are split type, can change the blade holder according to different needs, and needn't change the cutter arbor, reduce the processing cost of cutter, convenient to produce and use, form the block between cutter arbor and the blade holder through the navigation key and between the constant head tank, make things convenient for cutter arbor and blade holder to connect when fixed and confirm the relative position;

(3) the utility model discloses a lathe tool, under cutter arbor and blade holder connected state, the axis of first fixed orifices and second fixed orifices is on the same straight line, utilizes first mounting to pass the second fixed orifices on the blade holder and the first fixed orifices on the cutter arbor, realizes the stability of cutter arbor and blade holder relative position, simultaneously because first mounting passes second fixed orifices and first fixed orifices, can realize convenient dismantlement and installation between cutter arbor and the blade holder, it is more convenient to use;

(4) the utility model discloses a lathe tool, the clamping piece in the clamping component is used for fixing the cutter bar, the fixation between the clamping piece and the cutter bar is not to drill or notch on the cutter bar, but to clamp the clamping piece on the surface of the cutter bar; the surface of the cylindrical cutter bar is provided with an assembling surface, the clamping piece is provided with more than two mounting holes, the stability of connection between the clamping piece and the cutter bar is ensured, the number of the second fixing pieces is matched with that of the mounting holes, the second fixing pieces penetrate through the mounting holes on the clamping piece, and is abutted against the assembly surface of the cutter bar, after the abutting is finished, the relative position between the cutter bar and the clamping piece is fixed, when the position between the clamping piece and the cutter bar needs to be adjusted, the second fixing piece is only required to be taken out or is not required to be abutted against the assembly surface of the cutter bar any more, the cutter bar and the clamping piece can slide relatively, the second fixing piece penetrates through the mounting hole to be abutted against the assembly surface of the cutter bar, the adjustment of the relative position between the cutter bar and the clamping piece can be completed, in the adjusting process, the length of each adjustment is not limited by the minimum adjusting scale, and the control on the machining range of the lathe can be realized under the condition of only adjusting the cutter bar and the clamping piece;

(5) the utility model discloses a lathe tool, the connecting piece is used for connecting the clamping piece and the tool rest, so that the tool is more stably installed, and the lathe is safer and more reliable in the use process;

(6) the utility model discloses a lathe tool frock, simple structure, easy to use.

Drawings

Fig. 1 is an exploded view of a tool assembly of a lathe tool in embodiment 1 of the present invention;

fig. 2 is a schematic view of a basic structure of a tool bar of a lathe tool assembly according to embodiment 1 of the present invention;

fig. 3 is a schematic view of a basic structure of a lathe tool mounting seat of embodiment 1 of the present invention;

fig. 4 is a schematic view of an assembly structure of a lathe tool assembly of embodiment 1 of the present invention;

fig. 5 is a schematic view of the overall structure of a lathe tool fixture according to embodiment 1 of the present invention;

fig. 6 is a schematic structural view of the lathe tool assembly of embodiment 1 of the present invention installed on a lathe for internal hole turning;

fig. 7 is a schematic structural view of a lathe tool fixture according to embodiment 1 of the present invention mounted on a lathe for external turning;

fig. 8 is a schematic view of a basic structure of a lathe tool mounting seat of embodiment 3 of the present invention;

fig. 9 is a schematic view of a surface structure of a side of a lathe tool holder provided with an insert mounting groove according to embodiment 3 of the present invention;

fig. 10 is a schematic view of an overall structure of a lathe tool assembly according to embodiment 3 of the present invention;

fig. 11 is a schematic structural diagram of a lathe tool according to embodiment 3 of the present invention, the lathe tool being mounted on a lathe.

In the drawings: 100. a cutter assembly; 110. a cutter bar; 111. a positioning key; 112. a first fixing hole; 113. an assembly surface; 120. a tool apron; 121. positioning a groove; 122. a second fixing hole; 123. a blade mounting groove; 124. a blade; 130. a first fixing member;

200. a clamping assembly; 210. a clamping member; 211. mounting holes; 220. a connecting member; 230. and a second fixing member.

Detailed Description

The present invention will be further described with reference to the following specific embodiments.

Example 1

As shown in fig. 1 and 5, the lathe tool fixture of the present embodiment includes a tool assembly 100 and a clamping assembly 200, the clamping assembly 200 is wrapped outside the tool assembly 100, turning of a workpiece is completed through the tool assembly 100, the clamping assembly 200 completes clamping of a tool, the tool is not directly mounted on a tool rest, clamping is convenient, the clamping assembly 200 is convenient to mount, the tool is convenient to mount, length adjustment of the tool is convenient, a machining range of a lathe is enlarged to a certain extent, the structure is simple, and the use is convenient.

As shown in fig. 2-4, the cutting tool assembly 100 includes a tool bar 110, a tool holder 120, and a first fixing member 130, wherein one end of the tool bar 110 is connected to the tool holder 120 and fixed to form a tool body by the first fixing member 130. The first fixing member 130 of the present embodiment is a reamed hole screw, and the tool bar 110 and the tool post 120 of the tool assembly 100 are separated, so that the tool post 120 can be replaced according to different needs, and the tool bar 110 does not need to be replaced, thereby reducing the processing cost of the tool and facilitating the production and use.

The tool holder 110 includes a positioning key 111, and a mounting surface 113. The cutter arbor 110 is integrally cylindrical, and a positioning key 111 is arranged at one end of the cylindrical cutter arbor 110 connected with the cutter holder 120, so that the positioning key 111 and the cutter arbor 110 are in an integrated structure to avoid the problem that the positioning key 111 is not fastened with the cutter arbor 110 and the problem that the structure of the cutter arbor 110 is too complex. The positioning key 111 is provided with a first fixing hole 112, and since the first fixing member 130 of the present embodiment is a reamed hole screw, the bottom of the first fixing hole 112 is a unthreaded hole, and the bottom of the unthreaded hole is a threaded hole for matching with the first fixing member 130. For convenience of use, the assembly surface 113 is required to be provided on the tool holder 110, the assembly surface 113 of the present embodiment is cut along the outer surface of the cylindrical tool holder 110, the cross-sectional areas of the portions of the cylindrical tool holder 110, excluding the portion provided with the positioning key 111, passing through the central axis of the cylinder in the same direction are equal, and the positions can be changed correspondingly except for the position of the assembly surface 113.

The cutter holder 120 is provided with a positioning groove 121, a second positioning hole 122, a blade mounting groove 123 and a blade 124, one end of the cutter holder 120 connected with the cutter bar 110 is provided with the positioning groove 121, and the inner contour of the positioning groove 121 is matched with the outer contour of the positioning key 111; the second fixing hole 122 penetrates through the cutter holder 120, one end of the second fixing hole is located in the positioning groove 121, the second fixing hole 122 is a unthreaded hole, and no thread is arranged on the inner side wall of the second fixing hole; the blade mounting groove 123 is formed on an end surface of the holder 120 away from the positioning groove 121, and the blade 124 is a triangular screw blade and is fixed in the blade mounting groove 123 by a compression screw. The tool bar 110 and the tool holder 120 are clamped through the positioning key 111 and the positioning groove 121 and are positioned and fastened through the 130-reamed hole bolt, and the relative position of the tool bar 110 and the tool holder 120 when the tool bar is connected is determined. Under the connection state of the cutter arbor 110 and the cutter holder 120, the central axes of the first fixing hole 112 and the second fixing hole 122 are on the same straight line, the first fixing member 130 is used for penetrating the second fixing hole 122 on the cutter holder 120 and the first fixing hole 112 on the cutter arbor 110, so that the relative position of the cutter arbor 110 and the cutter holder 120 is stable, and meanwhile, the first fixing member 130 penetrates the second fixing hole 122 and the first fixing hole 112, so that the cutter arbor 110 and the cutter holder 120 can be conveniently detached and installed, and the use is more convenient.

The clamping assembly 200 comprises a clamping member 210, a connecting member 220 and a second fixing member 230, wherein a hole is formed in the middle of the clamping member 210, the cutter bar 110 passes through the hole in the middle of the clamping member 210 and is fixed at a position opposite to the cutter bar 110 by the second fixing member 230, and the connecting member 220 is connected with the clamping member 210. The holder 210 is provided with four mounting holes 211 on the surface thereof, and the second fixing member 230 passes through the mounting holes 211 and abuts against the mounting surface 113 of the outer surface of the tool bar 110. The clamping member 210 in the clamping assembly 200 is used for fixing the tool bar 110, the clamping member 210 and the tool bar 110 are not fixed by drilling or grooving on the tool bar 110, and then the clamping member 210 is clamped on the surface of the tool bar 110; but the surface of the cylindrical tool bar 110 is provided with an assembling surface 113, meanwhile, the clamping member 210 is provided with mounting holes 211, the number of the mounting holes 211 is more than two, which ensures the stability of the connection between the clamping member 210 and the tool bar 110, the number of the second fixing members 230 is matched with the number of the mounting holes 211, the second fixing members 230 pass through the mounting holes 211 on the clamping member 210 and abut against the assembling surface 113 on the tool bar 110, after the abutment is completed, the relative position between the tool bar 110 and the clamping member 210 is fixed, when the position between the clamping member 210 and the tool bar 110 needs to be adjusted, the second fixing members 230 only need to be taken out or the second fixing members 230 do not abut against the assembling surface 113 of the tool bar 110, the tool bar 110 and the clamping member 210 can slide relatively, and the adjustment of the relative position between the tool bar 110 and the clamping member 210 can be completed by making the second fixing members 230 pass through the mounting holes 211 and abut against, during the adjustment, the length of each adjustment is not limited by the minimum adjustment scale, and the control of the lathe machining range can be realized under the condition that only the cutter bar 110 and the clamping piece 210 are adjusted. The connecting piece 220 is used for connecting the clamping piece 210 and the tool rest, so that the tool is more stably installed, and the lathe is safer and more reliable in the using process. The connecting member 220 of the present embodiment is integrally connected to the clamping member 210, and the connecting member 220 is connected to the turret of the lathe, and is provided with a clamping member having a groove in the middle thereof, which can be directly clamped to the turret of the lathe.

As shown in fig. 6 and 7, which are simple usage status diagrams of the lathe tool tooling of the present embodiment for turning inner and outer circles of a workpiece on a lathe, the tooling is directly mounted on a turret of the lathe through a snap-fit connection element 220, and the turret is provided with screws for further fixing the connection element 220. The relative position of the clamping piece 210 and the cutter bar 110 is changed by adjusting the second fixing piece 230, so that the adjustment of the position along the axial direction of the cutter bar 110 can be realized, the clamping distance between the connecting piece 220 and the turret of the cutter holder is adjusted, the adjustment of the position along the axial direction perpendicular to the cutter bar 110 is realized, and the processing range of the lathe is expanded to a certain extent.

Example 2

The present embodiment is substantially the same as embodiment 1, except that two mounting surfaces 113 are symmetrically disposed on the surface of the tool holder 110, the number of the mounting holes 211 is two, and the number of the second fixing members 230 is also two.

Example 3

As shown in fig. 8 to 11, the present embodiment is substantially the same as embodiment 1, except that two opposite surfaces of the tool apron 120 are respectively provided with a positioning groove 121 and a blade mounting groove 123, a second fixing hole 122 is disposed at the center of the bottom of the blade mounting groove 123, the second fixing hole 122 penetrates through the bottom of the blade mounting groove 123 and the positioning groove 121, and a blade 124 mounted in the blade mounting groove 123 is a trapezoidal thread knife. In the using and installing process, the first fixing member 130 is a reamed hole screw passing through the second fixing hole 122 and being in threaded connection with the first fixing hole 112, because one end of the second fixing hole 122 is located at the bottom of the installing groove 123, the reamed hole screw passing through the second fixing hole 122 needs to pass through the insert installing groove 123, after the reamed hole screw is fixed in threaded connection with the first fixing hole 112, the trapezoidal thread cutter is placed in the insert installing groove 123, and through arranging the positioning holes on the surface of the cutter holder 120, the positioning holes penetrate through the inner surface of one side of the insert installing groove 123, the number of the positioning holes is two, one end of the screw passing through the positioning holes abuts against the surface of the insert 124, and the fixing of the.

The above examples describe the present invention and its embodiments, and the description is not intended to be limiting. It should be noted that, for those skilled in the art, without departing from the inventive concept of the present invention, the structural modes and embodiments similar to the technical solutions should be designed without creativity, and all shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a lathe cutter frock which characterized in that: including cutter subassembly (100) and centre gripping subassembly (200), cutter subassembly (100) includes cutter arbor (110), blade holder (120) and first mounting (130), cutter arbor (110) one end is connected with blade holder (120) to fix through first mounting (130) and become whole, centre gripping subassembly (200) includes holder (210), connecting piece (220) and second mounting (230), holder (210) and cutter arbor (110) cooperation are connected to fix the relative position with cutter arbor (110) through second mounting (230), connecting piece (220) are connected with holder (210).

2. The lathe tool assembly of claim 1, wherein: the cutter bar (110) is integrally cylindrical, and the outer surface of the cutter bar (110) is at least provided with an assembling surface (113).

3. The lathe tool assembly of claim 1, wherein: one end of the cutter bar (110) connected with the cutter holder (120) is provided with a positioning key (111), and the positioning key (111) is integrally connected with the cutter bar (110).

4. The lathe tool assembly of claim 3, wherein: the positioning key (111) is provided with a first fixing hole (112).

5. A lathe tool according to claim 3 or 4, characterized in that: one end of the cutter holder (120) connected with the cutter bar (110) is provided with a positioning groove (121), and the inner contour of the positioning groove (121) is matched with the outer contour of the positioning key (111).

6. The lathe tool assembly of claim 5, wherein: the tool apron (120) is further provided with a second fixing hole (122), the second fixing hole (122) penetrates through the tool apron (120) and is connected with the bottom surface of the positioning groove (121), and the first fixing piece (130) penetrates through the second fixing hole (122) and is fixedly connected with the first fixing hole (112).

7. The lathe tool assembly of claim 5, wherein: the cutter holder (120) is further provided with a blade mounting groove (123) and a blade (124), the blade mounting groove (123) is located on the surface of one end, away from the positioning groove (121), of the cutter holder (120), and the blade (124) is fixed in the blade mounting groove (123) through a compression screw.

8. The lathe tool assembly of claim 2, wherein: the surface of the clamping piece (210) is provided with at least two mounting holes (211), and the second fixing piece (230) penetrates through the mounting holes (211) and abuts against the assembling surface (113) of the outer surface of the cutter bar (110).