CN108705109B - Turning tool, lathe and machining method suitable for large ultra-deep rotary member - Google Patents
Turning tool, lathe and machining method suitable for large ultra-deep rotary member Download PDFInfo
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- CN108705109B CN108705109B CN201810648444.4A CN201810648444A CN108705109B CN 108705109 B CN108705109 B CN 108705109B CN 201810648444 A CN201810648444 A CN 201810648444A CN 108705109 B CN108705109 B CN 108705109B
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- guide groove
- baffle
- handle
- sliding block
- turning tool
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B1/00—Methods for turning or working essentially requiring the use of turning-machines; Use of auxiliary equipment in connection with such methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2250/00—Compensating adverse effects during turning, boring or drilling
- B23B2250/16—Damping of vibrations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention discloses a turning tool, a lathe and a processing method suitable for a large ultra-deep rotary member, comprising a tool handle fixing device and a combined tool bar; the knife handle fixing device comprises a knife handle, a fixing block, a first baffle plate and a sliding block; the knife handle comprises a handle body with a guide groove and at least two connecting parts arranged at the periphery of the handle body, and the guide groove is along the axial direction; the fixed block comprises a fixed surface and an embedded surface opposite to the fixed surface, the embedded surface is detachably connected with the connecting part, the fixed surface is provided with a static pressure oil groove, and the static pressure oil groove is connected with an external oil way through an oil hole; the sliding block is embedded in the guide groove; the combined cutter bar comprises a cutter head and a rod body, the cutter head is detachably fixed at the front end of the rod body, the rod body is embedded with the sliding block to penetrate through the guide groove, the surface, away from the cutter head, of the handle body is a far end surface, and the first baffle is detachably fixed on the far end surface and used for axially limiting the sliding block. The turning tool suitable for the large ultra-deep rotary member has the advantages of convenience in machining and good machining quality.
Description
Technical Field
The invention relates to a turning tool, in particular to a turning tool suitable for a large ultra-deep rotary member; the invention also provides a large ultra-deep rotary member lathe; the invention also provides a processing method of the large ultra-deep rotary part.
Background
In the prior art, the periphery of an object is usually machined by a turning machine, the inner hole machining mode of the object is usually machined by a boring cutter or a milling cutter, and the boring cutter has the advantages of simple and reliable mechanism, good machining quality, convenient operation and the like, but when the inner hole machining is carried out, the boring cutter or the milling cutter is used for cutting off unnecessary parts by means of rotation of a cutter of the boring cutter or the milling cutter, for large-sized workpieces, the larger the diameter of the inner hole is, the larger the size of the cutter required for the boring cutter or the milling cutter is, otherwise, the machining efficiency is influenced, the large-sized milling cutter cannot machine the required conical shape, and the cutter can tremble or even break in the deep machining process, so that the quality of product machining is influenced.
Disclosure of Invention
The first technical problem to be solved by the invention is to provide a turning tool which is convenient to process and good in processing quality and is suitable for large ultra-deep rotary parts; the second technical problem to be solved by the invention is to provide a large ultra-deep rotary part lathe using the lathe tool; the invention aims to provide a processing method of a large ultra-deep rotary part.
In order to solve the first technical problem, the invention is realized by the following technical scheme:
a turning tool suitable for a large ultra-deep rotary member comprises a tool handle fixing device and a combined tool bar; the knife handle fixing device comprises a knife handle, a fixing block, a first baffle plate and a sliding block; the knife handle comprises a handle body with a guide groove and at least two connecting parts arranged at the periphery of the handle body, and the guide groove is axially arranged; the fixed block comprises a fixed surface and an embedded surface opposite to the fixed surface, the embedded surface is detachably connected with the connecting part, the fixed surface is provided with a static pressure oil groove, and the static pressure oil groove is connected with an external oil way through an oil hole; the sliding block is embedded in the guide groove; the combined cutter bar comprises a cutter head and a rod body, the cutter head is detachably fixed at the front end of the rod body, the rod body is embedded with the sliding block to penetrate through the guide groove, the surface, away from the cutter head, of the handle body is a far end surface, and the first baffle is detachably fixed on the far end surface and used for axially limiting the sliding block.
Preferably, the sliding blocks are two, and each sliding block comprises a matching surface contacted with the rod body and a sliding surface contacted with the guide groove; the two sliding blocks are respectively fixed on two opposite sides of the rod body; the rod body is provided with a limiting part, and the matching surface is provided with a positioning part matched with the limiting part; the guide slot includes at least one set of opposed straight planar surfaces with which the sliding surface mates.
Preferably, the positioning portion is provided with a hydrostatic groove.
Preferably, the first baffle includes a left baffle and a right baffle, a gap L between the left baffle and the right baffle is greater than a thickness of the rod body, and the gap L is less than a width of the guide groove.
Preferably, the cutter head further comprises a second baffle, the surface, close to the cutter head, of the handle body is a proximal end surface, and the second baffle is detachably fixed on the proximal end surface and used for limiting the sliding block axially.
Preferably, the device further comprises a plurality of fixing screw holes penetrating through the handle body, the fixing screw holes are distributed on two sides of the guide groove in two rows, and the first baffle is provided with through holes matched with the fixing screw holes.
Preferably, the rod body comprises a large-diameter part and a small-diameter part, the small-diameter part is embedded with the sliding block to penetrate through the guide groove, the large-diameter part is provided with an axial pipeline, and the large-diameter part or the small-diameter part is provided with a radial pipe outlet.
In order to solve the second technical problem, the invention is realized by the following technical scheme:
the large ultra-deep rotary part lathe comprises a clamping device, a hydraulic oil system, an action device and a control system, wherein the action device is connected with a combined cutter bar to move forwards and backwards along an axial direction and move along a guide groove, the hydraulic oil system is communicated with an oil hole, and the control system is controlled to be connected with the clamping device, the hydraulic oil system and the action device.
In order to solve the third technical problem, the invention is realized by the following technical scheme:
a processing method of a large ultra-deep rotary member comprises the following steps:
a. roughly turning the inner cavity of the rotary member, and reserving 5-20 mm allowance;
b. roughly turning a step in the inner cavity;
c. inserting the knife handle fixing device and the combined knife bar into a preset position, wherein the step is used as an axial limit of the front side of the knife handle fixing device, and static pressure oil is used for fixing the knife handle fixing device;
d. the combined cutter bar moves along the direction of the guide groove, the rotary member rotates, and the cutter head lathes off the allowance to process a conical deep hole;
e. and withdrawing the cutter handle fixing device, and withdrawing after the combined cutter rod turns the allowance at the step into threads.
The beneficial effects are that:
compared with the prior art, the lathe tool suitable for large-scale super dark rotating member is through setting up handle of a knife fixing device and combination cutter arbor, handle of a knife fixing device passes handle of a knife fixing device and deepens the inside of work piece with the tool bit through the static pressure oil groove of fixed block closely laminating at the inner chamber surface of work piece, the rotating member rotates under the centre gripping of external arrangement, the tool bit advances the back as required axial under the drive of cutter arbor to carry out radial removal through the guide way, thereby the conical deep hole is gone out in convenient processing, and the body of rod can rely on handle of a knife fixing device to support simultaneously and prevent rupture tremble and make processingquality good.
Drawings
The invention is described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a front view of a turning tool suitable for use with a large ultra-deep rotary member in accordance with the present invention;
FIG. 2 is a schematic diagram of a turning tool and lathe structure suitable for large ultra-deep rotary members;
FIG. 3 is a schematic view of a turning tool configuration with a component bit in the innermost position;
FIG. 4 is a schematic view of the construction of a component handle;
FIG. 5 is a front view of the component slide;
FIG. 6 is a side view of FIG. 5;
FIG. 7 is a schematic view of the structure of the first baffle of the component;
FIG. 8 is a front view of the component mounting block;
FIG. 9 is a side view of FIG. 8;
fig. 10 is a top view of fig. 8.
Detailed Description
As shown in fig. 1 to 10, a turning tool suitable for a large ultra-deep rotary member comprises a tool shank fixing device 1 and a combined tool shank 2; the tool handle fixing device 1 comprises a tool handle 11, a fixing block 12, a first baffle 13 and a sliding block 15; the tool shank 11 comprises a shank body 112 with a guide groove 111 and at least two connecting parts 113 arranged on the periphery of the shank body 112, and the guide groove 111 penetrates through the shank body 112 along the axial direction so as to facilitate the passage of the combined tool shank 2.
The fixed block 12 comprises a fixed surface 121 matched with the inner cavity of the workpiece and an embedded surface 122 opposite to the fixed surface 121, and the connecting part 113 is detachably connected with the embedded surface 122 in a way of one of threaded connection, clamping connection or key connection; the fixed surface 121 is provided with a static pressure oil groove 123, the static pressure oil groove 123 is connected with a hydraulic oil system (not shown in the figure) of the lathe through an oil hole 124, and the hydraulic oil system supplies oil when needed, so that the fixed block 12 is ensured not to move, and further the knife handle 11 connected with the fixed block is ensured not to move, and the knife handle fixing device 1 is used as a supporting point to ensure that the knife tool does not have the problems of tremble fracture and the like; at the same time, the tool shank 11 is connected with the fixed block 12 and then embedded into a workpiece to form a spaced discharge groove 115 for timely discharging machining scraps.
The combined cutter bar 2 comprises a cutter head 21 and a bar body 22, wherein the cutter head 21 is detachably fixed at the front end of the bar body 22 so as to be convenient to adjust and replace according to the machining requirement of a workpiece, the sliding block 15 is embedded in the guide groove 111, the bar body 22 is embedded in the sliding block 15, the bar body 22 penetrates through the guide groove 111, the bar body 22 and the sliding block 15 are relatively fixed in the radial direction and relatively slide in the axial direction, the surface of the bar body 112, far away from the cutter head 21, is a far end surface 11a, the first baffle 13 is detachably fixed on the far end surface 11a and used for limiting the axial direction of the sliding block 15, the bar body 22 and the sliding block 15 can be guaranteed to move in the radial direction in the guide groove 111, and the bar body 22 can advance and retreat in the axial direction. During machining, the workpiece rotates, the sliding block 15 is fixed, the actuating device 9 of the lathe controls the rod body 22 to axially advance and retreat to drive the tool bit 21 to adjust at different depth positions of the conical deep hole, the actuating device 9 drives the rod body 22 to radially move in the guide groove 111 to drive the tool bit 21 to adjust at different diameters of the conical deep hole, and the tool handle fixing device 1 serves as a supporting point to finally machine the conical deep hole.
In the preferred embodiment, as shown in fig. 2, 4, 5 and 6, the number of the sliding blocks 15 is two, and the sliding blocks 15 include a mating surface 151 contacting the rod 22 and a sliding surface 152 contacting the guide groove 111; the two sliding blocks 15 are respectively fixed on two opposite sides of the rod body 22 so that the connection is stable and lateral movement cannot occur; the rod body 22 is provided with a limiting part 221, the matching surface 151 is provided with a positioning part 153 matched with the limiting part 221, and the limiting part 221 and the positioning part 153 are mutually matched holes and grooves and convex strips, so that the sliding block 15 and the rod body 22 can relatively move along the direction of the convex strips, and the rod body 22 can be conveniently controlled to advance and retreat along the axial direction by the action device 9 of the lathe; the guide groove 111 comprises at least one group of opposite straight planes 111a, and the sliding surface 152 is matched with the straight planes 111a to facilitate guiding movement; the positioning portion 153 may also be provided with a hydrostatic groove 153a, the hydrostatic groove 153a being connected to the hydraulic oil system of the lathe, the hydraulic oil being supplied when required to enable the connection to be reliably controlled.
In the preferred embodiment, as shown in fig. 1, the first baffle 13 includes a left baffle 13a and a right baffle 13b, a gap L between the left baffle 13a and the right baffle 13b is greater than a thickness of the rod 22, and the gap L is smaller than a width of the guide groove 111, so that the slide 15 is limited by the left baffle 13a and the right baffle 13b during axial movement, and the slide 15 is prevented from punching the guide groove 111 from one side while not interfering with axial movement of the rod 22. And, can also set up the second baffle 14, the face that the shank 112 is close to tool bit 21 is proximal end face 11b, and second baffle 14 detachable fixes on proximal end face 11b and is used for spacing slider 15 axial, similar to first baffle 13, second baffle 14 also can adopt the form of controlling the baffle to the interval between them (not marked in the figure) sets up the same with clearance L, and the interval is greater than the thickness of body of rod 22, and the interval is less than the width of guide slot 111, prevents slider 15 from punching out guide slot 111 from the opposite side when guaranteeing not to interfere with the axial motion of body of rod 22. Of course, the outlets on the two sides of the guide groove 111 can be set to be one large and one small, the side with the smaller outlet does not allow the sliding block 15 to pass through, and the side with the larger outlet depends on the first baffle 13 to prevent the sliding block 15 from being punched out. The above modes are all used for axially limiting the sliding block 15, so that the reliable guiding of the rod body 22 and the sliding block 15 in the guide groove 111 is ensured.
In a preferred embodiment, as shown in fig. 4 and 7, the fixing device further includes a plurality of fixing screw holes 114 penetrating the handle 112, the fixing screw holes 114 are arranged in two rows and distributed on two sides of the guiding slot 111, the first baffle 13 is provided with a through hole 131 matched with the fixing screw holes 114, the positions of the first baffle 13 and the handle 112 are adjusted according to the fixing screw holes 114 in one row, so that the fixing device is convenient to adapt to the sliding blocks 15 and the rod bodies 22 with different thicknesses, and is flexible to fix.
In the preferred embodiment, as shown in fig. 2, the rod 22 includes a large diameter portion 222 and a small diameter portion 223, the small diameter portion 223 is embedded with the slider 15 and passes through the guide groove 111, the large diameter portion 222 is provided with an axial pipe 224, and the large diameter portion 222 or the small diameter portion 223 is provided with a radial outlet 225 for passing through a hydraulic oil pipe (not shown in the figure), a sight glass pipe (not shown in the figure) or the like, so that the large diameter portion 222 does not need to control the distance from the inner cavity wall of the workpiece, thereby facilitating the operation of the staff.
As shown in fig. 1, 2, 3 and 9, the large ultra-deep rotary member lathe further comprises a clamping device (not shown), a hydraulic oil system (not shown), an actuating device 9 and a control system 10, wherein the actuating device 9 is connected with the combined cutter bar 2 to move forwards and backwards along the axial direction and move along the guide groove 111, the hydraulic oil system is communicated with the oil hole 124, the control system 10 is controlled to connect the clamping device, the hydraulic oil system and the actuating device 9, and the actions of all parts are coordinated to ensure that the cutter head 21 moves in the axial direction and moves in the radial direction of the conical deep hole.
A processing method of a large ultra-deep rotary member comprises the following steps:
a. roughly turning the inner cavity of the rotary member, and reserving 5-20 mm allowance;
b. roughly turning a step in the inner cavity;
c. inserting the knife handle fixing device 1 and the combined knife bar 2 into a preset position, wherein the step is used as an axial limit of the front side of the knife handle fixing device 1, and static pressure oil is adopted to fix the knife handle fixing device 1;
d. the combined cutter bar 2 moves along the direction of the guide groove 111, the rotary member rotates, and the cutter head 21 is turned off to process a conical deep hole;
e. and withdrawing the cutter handle fixing device 1, and withdrawing after the combined cutter rod 2 turns the allowance at the step into threads.
The above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and any modifications or equivalent substitutions without departing from the spirit and scope of the present invention should be covered in the scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a lathe tool suitable for large-scale super dark rotating member which characterized in that: comprises a knife handle fixing device (1) and a combined knife handle (2);
the knife handle fixing device (1) comprises a knife handle (11), a fixing block (12), a first baffle plate (13) and a sliding block (15); the knife handle (11) comprises a handle body (112) with a guide groove (111) and at least two connecting parts (113) arranged on the periphery of the handle body (112), wherein the guide groove (111) is arranged along the axial direction;
the fixing block (12) comprises a fixing surface (121) and a jogged surface (122) opposite to the fixing surface (121), the jogged surface (122) is detachably connected with the connecting part (113), the fixing surface (121) is provided with a static pressure oil groove (123), and the static pressure oil groove (123) is connected with an external oil path through an oil hole (124);
the sliding block (15) is embedded in the guide groove (111);
the combined cutter bar (2) comprises a cutter head (21) and a bar body (22), wherein the cutter head (21) is detachably fixed at the front end of the bar body (22), the bar body (22) is embedded with the sliding block (15) and penetrates through the guide groove (111), the surface, far away from the cutter head (21), of the handle body (112) is a far-end surface (11 a), and the first baffle (13) is detachably fixed on the far-end surface (11 a) and used for limiting the sliding block (15) axially.
2. The turning tool for large ultra-deep rotary members of claim 1, wherein: the number of the sliding blocks (15) is two, and the sliding blocks (15) comprise a matching surface (151) contacted with the rod body (22) and a sliding surface (152) contacted with the guide groove (111);
the two sliding blocks (15) are respectively fixed on two opposite sides of the rod body (22); the rod body (22) is provided with a limiting part (221), and the matching surface (151) is provided with a positioning part (153) matched with the limiting part (221);
the guide groove (111) comprises at least one set of opposite straight planes (111 a), and the sliding surface (152) is matched with the straight planes (111 a).
3. The turning tool for large ultra-deep rotary members of claim 2, wherein: the positioning part (153) is provided with a static pressure groove (153 a).
4. A turning tool for large ultra-deep rotary members according to any one of claims 1 to 3, wherein: the first baffle (13) comprises a left baffle (13 a) and a right baffle (13 b), a gap L between the left baffle (13 a) and the right baffle (13 b) is larger than the thickness of the rod body (22), and the gap L is smaller than the width of the guide groove (111).
5. A turning tool for large ultra-deep rotary members according to any one of claims 1 to 3, wherein: the cutter head is characterized by further comprising a second baffle (14), the surface, close to the cutter head (21), of the handle body (112) is a proximal end surface (11 b), and the second baffle (14) is detachably fixed on the proximal end surface (11 b) and used for limiting the sliding block (15) axially.
6. A turning tool for large ultra-deep rotary members according to any one of claims 1 to 3, wherein: the novel handle is characterized by further comprising a plurality of fixing screw holes (114) penetrating through the handle body (112), wherein the fixing screw holes (114) are distributed on two sides of the guide groove (111) in two rows, and the first baffle (13) is provided with through holes (131) matched with the fixing screw holes (114).
7. A turning tool for large ultra-deep rotary members according to any one of claims 1 to 3, wherein: the rod body (22) comprises a large-diameter portion (222) and a small-diameter portion (223), the small-diameter portion (223) is embedded with the sliding block (15) to penetrate through the guide groove (111), the large-diameter portion (222) is provided with a pipeline (224) along the axial direction, and the large-diameter portion (222) or the small-diameter portion (223) is provided with a pipe outlet (225) along the radial direction.
8. A large ultra-deep turning member lathe using the turning tool of claim 1, characterized by: the hydraulic oil control device comprises a clamping device, a hydraulic oil system, an actuating device (9) and a control system (10), wherein the actuating device (9) is connected with the combined cutter bar (2) to move forwards and backwards along the axial direction and move along a guide groove (111), the hydraulic oil system is communicated with the oil hole (124), and the control system (10) is in control connection with the clamping device, the hydraulic oil system and the actuating device (9).
9. A method of machining a large ultra-deep rotary member using the turning tool of claim 1 or using the lathe of claim 8, comprising the steps of:
a. roughly turning the inner cavity of the rotary member, and reserving 5-20 mm allowance;
b. roughly turning a step in the inner cavity;
c. inserting the knife handle fixing device (1) and the combined knife bar (2) into a preset position, wherein the step is used as an axial limit of the front side of the knife handle fixing device (1), and the knife handle fixing device (1) is fixed by adopting static pressure oil;
d. the combined cutter bar (2) moves along the direction of the guide groove (111), the rotary member rotates, and the cutter head (21) lathes off the allowance to process a conical deep hole;
e. and (3) withdrawing the cutter handle fixing device (1), and withdrawing after the combined cutter bar (2) turns the allowance at the step into threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810648444.4A CN108705109B (en) | 2018-06-22 | 2018-06-22 | Turning tool, lathe and machining method suitable for large ultra-deep rotary member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810648444.4A CN108705109B (en) | 2018-06-22 | 2018-06-22 | Turning tool, lathe and machining method suitable for large ultra-deep rotary member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108705109A CN108705109A (en) | 2018-10-26 |
| CN108705109B true CN108705109B (en) | 2023-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810648444.4A Active CN108705109B (en) | 2018-06-22 | 2018-06-22 | Turning tool, lathe and machining method suitable for large ultra-deep rotary member |
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| Country | Link |
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| CN (1) | CN108705109B (en) |
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| JP2006297513A (en) * | 2005-04-18 | 2006-11-02 | Fuji Photo Film Co Ltd | Method for manufacturing forming body with groove |
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| US4611958A (en) * | 1984-08-09 | 1986-09-16 | Vasilchenko Georgy A | Boring head |
| CN2444699Y (en) * | 2000-10-25 | 2001-08-29 | 天津市锻压机床总厂 | Toolbar for turning machine |
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| Publication number | Publication date |
|---|---|
| CN108705109A (en) | 2018-10-26 |
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