CN114131081A - Sectional type double-ring long taper hole machining device - Google Patents
Sectional type double-ring long taper hole machining device Download PDFInfo
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- CN114131081A CN114131081A CN202111419676.0A CN202111419676A CN114131081A CN 114131081 A CN114131081 A CN 114131081A CN 202111419676 A CN202111419676 A CN 202111419676A CN 114131081 A CN114131081 A CN 114131081A
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- 238000003754 machining Methods 0.000 title claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 88
- 239000000203 mixture Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000005553 drilling Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000003672 processing method Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B41/06—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for boring conical holes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
- B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
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Abstract
The invention discloses a sectional type double-ring-shaped long taper hole machining device which comprises a working support assembly, wherein the working support assembly comprises a rack, one end of the rack is fixedly connected with a transmission case, and the other end of the rack is connected with a tail support seat; the taper hole machining assembly comprises a first boring bar sleeve and a second boring bar sleeve which are conical, thick ends of the first boring bar sleeve and the second boring bar sleeve are rotatably connected to the transmission case, thin ends of the first boring bar sleeve and the second boring bar sleeve are supported on the tail supporting seat, at least one first tool rest extending out of the first boring bar sleeve is connected to the first boring bar sleeve, at least one second tool rest extending out of the second boring bar sleeve is connected to the second boring bar sleeve, and a second cutting tool is connected to one end of the second tool rest extending out of the second boring bar sleeve; the invention uses sectional cutting, has small cutting force and ensures the reliable processing of the double annular long taper hole.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a sectional type double-ring long taper hole machining device.
Background
The common duplex taper hole processing uses a numerical control machine tool to process, a processing tool such as a drill bit, a reamer and the like is arranged in a tailstock of the numerical control machine tool, the hole processing method cannot realize uniform automatic feed, the processing precision and the reaming size cannot be precisely controlled, and the common numerical control machine tool is difficult to process for processing the long taper hole of a large-sized accessory. In the prior art, the invention discloses a Chinese invention patent with a publication number of CN 109352027B and a publication number of 2020.06.02, which comprises a conical boring bar I and a conical boring bar II, wherein at least one group of tangent cutting knife sets is distributed on the periphery of the boring bar I, the positive cutting knife set comprises a positive blade I, a positive blade II and a positive blade III, at least one group of reverse cutting knife sets is distributed on the periphery of the boring bar II, and the reverse cutting knife sets comprises a reverse blade I, a reverse blade II and a reverse blade III.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems occurring in the conventional taper hole processing.
Therefore, the invention aims to provide a sectional type double-annular long taper hole machining device which can realize the drilling of a double-annular long taper hole in a workpiece in a sectional type cutting mode, and has the advantages of small cutting force and reliable machining.
In order to solve the technical problems, the invention provides the following technical scheme: a sectional type double-ring long taper hole processing device, which comprises,
the working support assembly comprises a rack, one end of the rack is fixedly connected with a transmission case, and the other end of the rack is connected with a tail support seat;
the taper hole machining assembly comprises a first boring bar sleeve and a second boring bar sleeve, the first boring bar sleeve and the second boring bar sleeve are inclined towards the direction of the axial center of a workpiece to be machined, the thick end of the first boring bar sleeve and the thick end of the second boring bar sleeve are rotatably connected to a transmission box, the thin end of the first boring bar sleeve and the thin end of the second boring bar sleeve are supported on a tail supporting seat, a first sliding groove is formed in the first boring bar sleeve, a second sliding groove is formed in the second boring bar sleeve, the first boring bar sleeve is connected with at least one first tool rest extending out of the first boring bar sleeve through the first sliding groove, the first tool rest can slide along the first sliding groove, the sleeve is connected with at least one second tool rest extending out of the second boring bar sleeve through the second sliding groove, and the second tool rest can slide along the second sliding groove, and one end of the second tool rest extending out of the second boring bar sleeve is connected with a second cutting tool.
As a preferable scheme of the sectional type double annular long taper hole processing device of the invention, wherein: the first boring bar sleeve is internally provided with a first mounting cavity, a first transmission lead screw is rotatably connected in the first boring bar sleeve, first moving blocks which correspond to the first tool holders one by one are in threaded connection on the first transmission lead screw, and one end, which is arranged relative to the first sliding groove, of each first moving block is connected with the corresponding first tool holder.
As a preferable scheme of the sectional type double annular long taper hole processing device of the invention, wherein: the second boring bar sleeve is internally provided with a second mounting cavity, a second transmission lead screw is rotatably connected in the second boring bar sleeve, second moving blocks which correspond to the second tool rests in a one-to-one mode are in threaded connection with the second transmission lead screw, and one end, opposite to the second sliding groove, of each second moving block is connected with the corresponding second tool rest.
As a preferable scheme of the sectional type double annular long taper hole processing device of the invention, wherein: the first moving block is connected with a first tool apron at one end, opposite to the first sliding groove, of the first moving block, a first mounting groove is formed in the outward end of the first tool apron, one end of the first tool rest is mounted in the first mounting groove and can slide along the inner wall of the first tool rest, the other end of the first tool rest extends out of the first boring bar sleeve through the first sliding groove, a first middle base plate is fixedly connected with one end, far away from the first moving block, of the first tool apron in the first mounting groove, a first pressure spring is sleeved on the first tool rest in the first mounting groove, one end of the first pressure spring abuts against one side, opposite to the first tool apron, of the first middle base plate, and the other end of the first pressure spring abuts against one end of the first tool rest.
As a preferable scheme of the sectional type double annular long taper hole processing device of the invention, wherein: the one end that the relative second sliding tray of second movable block set up is connected with the second blade holder, the second blade holder one end outwards is opened has the second mounting groove, the one end of second knife rest is installed in the second mounting groove and can be slided along second knife rest inner wall, and the other end of second knife rest stretches out outside the second boring bar cover tube through the second sliding tray, and the one end fixedly connected with second intermediate backing plate of second movable block is kept away from to the second blade holder, the cover is equipped with the second pressure spring on the second knife rest in the second mounting groove, the one end of second pressure spring is contradicted in the one side of the relative first blade holder of first intermediate backing plate, the other end of second pressure spring is contradicted in the one end of second knife rest.
As a preferable scheme of the sectional type double annular long taper hole processing device of the invention, wherein: the two ends of the first tool rest are respectively provided with a first sliding boss, the peripheries of the first boring bar sleeves on the two sides of the first sliding groove are respectively provided with a first guide strip, and the first sliding bosses can just slide along the corresponding first guide strips.
As a preferable scheme of the sectional type double annular long taper hole processing device of the invention, wherein: and second sliding bosses are arranged at two ends of the second tool rest, second guide strips are arranged on the peripheries of the second boring bar sleeves at two sides of the second sliding groove, and the second sliding bosses can just slide along the corresponding second guide strips.
As a preferable scheme of the sectional type double annular long taper hole processing device of the invention, wherein: the frame is also connected with a transmission component for driving the first boring bar sleeve and the second boring bar sleeve to rotate, the transmission assembly comprises a driving motor fixed outside a transmission case, the transmission case is rotatably connected with a first transmission shaft and a second transmission shaft, the driving motor is connected with a first transmission shaft, a driving gear is connected on the first transmission shaft, the second transmission shaft is connected with a driven gear engaged with the driving gear, one end of the first transmission shaft extending out of the transmission box and far away from the driving motor is fixedly connected with a first connecting rod, one end of the first connecting rod, which is far away from the first transmission shaft, is fixedly connected with the thick end of the first boring rod sleeve, one end of the second transmission shaft, which extends out of the transmission case and is far away from the driving motor, is fixedly connected with a second connecting rod, and one end of the second connecting rod, which is far away from the second transmission shaft, is fixedly connected with the thick end of the second boring bar sleeve.
Furthermore, a first transmission motor used for driving the first transmission screw rod to rotate is connected in the first connecting rod, and a second transmission motor used for driving the second transmission screw rod to rotate is connected in the second connecting rod.
Furthermore, the first boring bar sleeve is connected with three first tool rests which are arranged at intervals in the axial direction, and the second boring bar sleeve is connected with three second tool rests which are arranged at intervals in the axial direction.
The invention has the beneficial effects that: the drilling of the double-annular long taper hole in the workpiece is realized in a segmented cutting mode, the cutting force is small, and the cutting is smoother; meanwhile, the axial position adjustment of the first cutting knife and the second cutting knife can be realized, the axial feeding of the cutting tools is realized, and when the cutting tools are axially fed, the knife rest is always attached to the outer edge of the sleeve of the conical boring bar to slide, so that the cutting reliability is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
FIG. 1 is a top view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a perspective view of the present invention.
FIG. 4 is a power structure diagram for driving the first boring bar sleeve and the second boring bar sleeve to rotate according to the present invention.
Fig. 5 is a perspective view of the present invention with the workpiece and the clamping assembly hidden.
FIG. 6 is a top view of the first connecting rod, the first boring bar sleeve and the first support rod being connected together in accordance with the present invention.
Fig. 7 is a view from a-a in fig. 6.
In the figure, 100 a work support assembly, 101 a frame, 102 a transmission case, 103 a tail support base, 200 a taper hole processing assembly, 201 a moving motor, 202 a driving motor, 203 a first connecting rod, 204a first boring bar sleeve, 204a first guide bar, 204b first sliding groove, 205 a fixed base, 206 a rotating lead screw, 207a second boring bar sleeve, 207a second guide bar, 207b second sliding groove, 208 a first support bar, 209 a second support bar, 210 a moving platform, 211 a first transmission shaft, 212 driving gear, 213 driven gear, 214 second transmission shaft, 215 second cutting knife, 216 first knife rest, 216a first sliding boss, 217 first cutting knife, 218 second knife rest, 218a second sliding boss, 219 first transmission lead screw, 220 first moving block, 221 first moving block, 222 first transmission motor, 223 first intermediate cushion plate, 224 first compression spring, 225 first knife rest, 225a first installation groove, 226 second drive screw, 227 second moving block, 300 workpiece, 400 holding assembly.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 4, a first embodiment of the present invention provides a sectional type double annular long taper hole processing apparatus, which is capable of drilling a double annular long taper hole in a workpiece by a sectional type cutting manner, and has a small cutting force.
A sectional type double-ring-shaped long taper hole machining device comprises a working support assembly 100, wherein the working support assembly 100 comprises a rack 101, one end of the rack 101 is fixedly connected with a transmission case 102, and the other end of the rack 101 is connected with a tail support seat 103;
the taper hole processing assembly 200 comprises a first boring bar sleeve 204 and a second boring bar sleeve 207, wherein the first boring bar sleeve 204 and the second boring bar sleeve 207 are inclined towards the axial center of a workpiece 300 to be processed, the thick end of the first boring bar sleeve 204 and the thick end of the second boring bar sleeve 207 are rotatably connected to the transmission box 102, the thin end of the first boring bar sleeve 204 and the thin end of the second boring bar sleeve 207 are supported on the tail support base 103, specifically, the thin end of the first boring bar sleeve 204 is fixedly connected with a first support bar 208, the thin end of the second boring bar sleeve 207 is fixedly connected with a second support bar 209, the first support bar 208 and the second support bar 209 are supported on the tail support base 103, the first boring bar sleeve 204 is connected with a plurality of first tool holders 216, the first tool holders 216 are connected with first cutting tools 217, the second boring bar sleeve 207 is connected with a plurality of second tool holders 218, a second cutting blade 215 is attached to the second blade carrier 218, and in this embodiment, three first blades 216 and three second blades 218 are provided.
Further, the rack 101 is further connected with a transmission assembly for driving the first boring bar sleeve 204 and the second boring bar sleeve 207 to rotate, the transmission assembly includes a driving motor 202 fixed outside the transmission case 102, the transmission case 102 is rotatably connected with a first transmission shaft 211 and a second transmission shaft 214, the driving motor 202 is connected with the first transmission shaft 211, the first transmission shaft 211 is connected with a driving gear 212, the second transmission shaft 214 is connected with a driven gear 213 engaged with the driving gear 212, one end of the first transmission shaft 211 extending out of the transmission case 102 and far away from the driving motor 202 is fixedly connected with a first connecting rod 203, one end of the first connecting rod 203 far away from the first transmission shaft 211 is fixedly connected with a thick end of the first boring bar sleeve 204, one end of the second transmission shaft 214 extending out of the transmission case 102 and far away from the driving motor 202 is fixedly connected with a second connecting rod, and one end of the second connecting rod far away from the second transmission shaft 214 is fixedly connected with a thick end of the second boring bar sleeve 207.
Further, be connected with moving platform 210 on the frame 101 slidable, afterbody supporting seat 103 fixed connection is on moving platform 210 upside, moving platform 210 upside fixedly connected with is two sets of clamping components 400 that are used for the centre gripping to treat work piece 300, clamping components 400 is prior art, no longer describe here, two sets of clamping components 400 are used for the ascending both ends of centre gripping 300 axial direction respectively, before the processing, use clamping components 400 to grasp work piece 300 earlier, frame 101 one end fixedly connected with moving motor 201 of moving platform 210 below, frame 101 other end fixedly connected with fixing base 205, be connected with on the moving motor 201 and rotate lead screw 206, the one end that the moving motor 201 was kept away from to rotation lead screw 206 is rotationally connected on fixing base 205, moving platform 210 with rotate lead screw 206 threaded connection.
During machining, the driving motor 202 is driven to move, the first transmission shaft 211 rotates, the first transmission shaft 211 drives the driving gear 212 to rotate, the driving gear 212 drives the driven gear 213 to rotate, the driven gear 213 drives the second transmission shaft 214 to rotate, the first transmission shaft 211 drives the first boring bar sleeve 204 to rotate through the first connecting rod 203, the second transmission shaft 214 drives the second boring bar sleeve 207 to rotate through the second connecting rod, the first boring bar sleeve 204 drives the first cutting knife 217 to rotate through the first tool holder 216, the second boring bar sleeve 207 drives the second cutting knife 215 to rotate through the second tool holder 218, meanwhile, the moving motor 201 moves, the rotating lead screw 206 rotates, the rotating lead screw drives the moving platform 210 to move, the moving platform 210 drives the clamping assembly 400 to move, the moving platform 210 moves towards the direction of the transmission box 102 by controlling the moving direction of the moving motor 201, the first cutting knife 217 and the second cutting knife 215 cut the workpiece 300, boring is realized; according to the invention, the first boring bar sleeve 204 and the second boring bar sleeve 207 are respectively connected with three sections of cutting tools, so that the drilling of the double-ring-shaped long taper hole in the workpiece 300 is realized in a sectional cutting mode, the cutting force is small, and the cutting is smoother; meanwhile, the problem that subsequent boring machining cannot be carried out due to the fact that stability is poor when the cutter rest stretches out and draws back greatly and the initial length of the cutter holder part of the cutter bar exceeds four fifths of the aperture of the small end of the boring hole is solved.
Example 2
Referring to fig. 5 to 7, a second embodiment of the present invention is different from embodiment 1 in that the present embodiment provides a segmented double annular long taper hole processing apparatus, which can adjust axial positions of a first cutting tool 217 and a second cutting tool 215, realize axial feed of a tool, and further improve processing accuracy of a long taper hole.
A segmented double-ring-shaped long taper hole processing device is disclosed, wherein a first sliding groove 204b is formed on a first boring bar sleeve 204, a first transmission screw 219 is rotatably connected in the first boring bar sleeve 204, a plurality of first moving blocks 221220 which are in one-to-one correspondence with first tool holders 216 are in threaded connection with the first transmission screw 219, one end, opposite to the first sliding groove 204b, of a first moving block 221220 is connected with a first tool holder 225, one end, facing outwards, of the first tool holder 225 is provided with a first mounting groove 225a, one end of each first tool holder 216 is mounted in the corresponding first mounting groove 225a and can slide along the inner wall of the corresponding first tool holder 216, the other end of each first tool holder 216 extends out of the corresponding first boring bar sleeve 204 through the corresponding first sliding groove 204b, one end, far away from the corresponding first moving block 221220, of each first tool holder 216 in the corresponding first mounting groove 225 is fixedly connected with a corresponding first intermediate shim 223, one end of each first compression spring 224 is arranged on one side, opposite to the corresponding first intermediate shim 225, of each first intermediate shim 224, the other end of the first compression spring 224 abuts against one end of the first knife holder 216.
Further, a second sliding groove 207b is formed in the second boring bar sleeve 207, a second transmission lead screw 226 is rotatably connected in the second boring bar sleeve 207, one end, opposite to the second sliding groove 207b, of a second moving block 227 is connected with a second tool apron, a second mounting groove is formed in the outward end of the second tool apron, one end of a second tool rest 218 is mounted in the second mounting groove and can slide along the inner wall of the second tool rest 218, the other end of the second tool rest 218 extends out of the second boring bar sleeve 207 through the second sliding groove 207b, one end, far away from the second moving block 227, of the second tool apron is fixedly connected with a second intermediate backing plate, a second pressure spring is sleeved on the second tool rest 218 in the second mounting groove, the first pressure spring 224 and the second pressure spring are always in a compression state, one end of the second pressure spring abuts against one side, opposite to the first tool rest 225, of the first intermediate backing plate 223, and the other end of the second pressure spring abuts against one end of the second tool rest 218 and is in one end of the second transmission lead screw 226 of the second tool rest 218, and is connected with a plurality of tool rests one-to-another A second moving block 227, the first boring bar sleeve 204 is connected with at least one first tool holder 216 extending out of the first boring bar sleeve 204 through a first sliding groove 204b, the first tool holder 216 can slide along the first sliding groove 204b, the sleeve is connected with at least one second tool holder 218 extending out of the second boring bar sleeve 207 through a second sliding groove 207b, the second tool holder 218 can slide along the second sliding groove 207b, and one end of the second tool holder 218 extending out of the second boring bar sleeve 207 is connected with a second cutting tool 215; the first tool seat 225, the first tool holder 216, the first intermediate shim plate 223, the first compression spring 224 and the first cutting tool 217 constitute a first cutting tool 217, the second tool seat, the second tool holder 218, the second intermediate shim plate, the second compression spring and the second cutting tool 215 constitute a second cutting tool 215, and the first cutting tool 217 and the second cutting tool 215 have the same structure.
Further, two ends of the first tool holder 216 are respectively provided with a first sliding boss 216a, the peripheries of the first boring bar sleeves 204 on two sides of the first sliding groove 204b are respectively provided with a first guide bar 204a, and the first sliding bosses 216a can just slide along the corresponding first guide bars 204 a; the two ends of the second tool rest 218 are both provided with second sliding bosses 218a, the peripheries of the second boring bar sleeves 207 on the two sides of the second sliding groove 207b are both provided with second guide bars 207a, and the second sliding bosses 218a can just slide along the corresponding second guide bars 207 a.
The two sides of the first tool rest 216 are provided with first sliding bosses 216a, which are matched with the tapered first guide bar 204a on the tapered boring bar sleeve, and a first pressure spring 224 in the first tool holder 225 is added to apply a downward acting force to the first tool rest 216, so that the stability of matching with the first guide bar 204a is ensured, when the first tool rest 216 is fed, the first moving block 221220 pushes the first tool holder 225 to feed, and the first cutting tool 217 continuously extends out along with the increase of the radius of the tapered first boring bar sleeve 204, so as to be suitable for the machining of the inner wall with the variable diameter of the long tapered hole; the second cutting blade 215 on the second boring bar sleeve 207 is identical to the above-described feeding principle and will not be described in detail here.
Further, a first transmission screw 219 is rotatably connected in the first boring bar sleeve 204, a second transmission screw 226 is rotatably connected in the second boring bar sleeve 207, a first transmission motor 222 for driving the first transmission screw 219 to rotate is connected in the first connecting rod 203, and a second transmission motor for driving the second transmission screw 226 to rotate is connected in the second connecting rod.
During machining, the first drive motor 222 is operated, the first drive lead screw 219 rotates, the first drive lead screw 219 drives the first moving block 221220 to move, the first moving block 221220 drives the corresponding first tool holder 225 to move, so that axial feeding of the first cutting tool 217 is realized, the first tool holder 216 is always attached to the first guide bar 204a and slides along the first guide bar 204a, meanwhile, the second drive motor operates, the second drive lead screw 226 rotates, the second drive lead screw 226 drives the second moving block 227 to move, the second moving block 227 drives the corresponding second tool holder to move, the second tool holder 218 is always attached to the second guide bar 207a and slides along the second guide bar 207a, so that axial feeding of the second cutting tool 215 is realized, and the machining precision of a workpiece 300 boring is improved; the cutter and the movable cutter holder are combined and complement each other, so that the sectional type cutter is tightly attached to the sleeve of the conical boring rod to reliably and automatically feed axially.
It should be noted that the above-mentioned embodiments are described with reference to the left and right directions as the main directions (opposite to the traveling direction of the frame) viewed from the front and the back of the frame, and the above-mentioned embodiments are only used for illustrating the technical solution of the present invention and are not limited thereto, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of them should be covered by the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a long taper hole processingequipment of sectional type dicyclo, its characterized in that: which comprises the steps of preparing a mixture of a plurality of raw materials,
the working support assembly comprises a rack, one end of the rack is fixedly connected with a transmission case, and the other end of the rack is connected with a tail support seat;
the taper hole machining assembly comprises a first boring bar sleeve and a second boring bar sleeve, the first boring bar sleeve and the second boring bar sleeve are inclined towards the direction of the axial center of a workpiece to be machined, the thick end of the first boring bar sleeve and the thick end of the second boring bar sleeve are rotatably connected to a transmission box, the thin end of the first boring bar sleeve and the thin end of the second boring bar sleeve are supported on a tail supporting seat, a first sliding groove is formed in the first boring bar sleeve, a second sliding groove is formed in the second boring bar sleeve, the first boring bar sleeve is connected with at least one first tool rest extending out of the first boring bar sleeve through the first sliding groove, the first tool rest can slide along the first sliding groove, the sleeve is connected with at least one second tool rest extending out of the second boring bar sleeve through the second sliding groove, and the second tool rest can slide along the second sliding groove, and one end of the second tool rest extending out of the second boring bar sleeve is connected with a second cutting tool.
2. The segmented double annular long taper hole machining device of claim 1, wherein: the first boring bar sleeve is internally provided with a first mounting cavity, a first transmission lead screw is rotatably connected in the first boring bar sleeve, first moving blocks which correspond to the first tool holders one by one are in threaded connection on the first transmission lead screw, and one end, which is arranged relative to the first sliding groove, of each first moving block is connected with the corresponding first tool holder.
3. The segmented double annular long taper hole machining device of claim 1, wherein: the second boring bar sleeve is internally provided with a second mounting cavity, a second transmission lead screw is rotatably connected in the second boring bar sleeve, second moving blocks which correspond to the second tool rests in a one-to-one mode are in threaded connection with the second transmission lead screw, and one end, opposite to the second sliding groove, of each second moving block is connected with the corresponding second tool rest.
4. The segmented double annular long taper hole machining device of claim 2, wherein: the first moving block is connected with a first tool apron at one end, opposite to the first sliding groove, of the first moving block, a first mounting groove is formed in the outward end of the first tool apron, one end of the first tool rest is mounted in the first mounting groove and can slide along the inner wall of the first tool rest, the other end of the first tool rest extends out of the first boring bar sleeve through the first sliding groove, a first middle base plate is fixedly connected with one end, far away from the first moving block, of the first tool apron in the first mounting groove, a first pressure spring is sleeved on the first tool rest in the first mounting groove, one end of the first pressure spring abuts against one side, opposite to the first tool apron, of the first middle base plate, and the other end of the first pressure spring abuts against one end of the first tool rest.
5. The segmented double annular long taper hole machining device of claim 3, wherein: the one end that the relative second sliding tray of second movable block set up is connected with the second blade holder, the second blade holder one end outwards is opened has the second mounting groove, the one end of second knife rest is installed in the second mounting groove and can be slided along second knife rest inner wall, and the other end of second knife rest stretches out outside the second boring bar cover tube through the second sliding tray, and the one end fixedly connected with second intermediate backing plate of second movable block is kept away from to the second blade holder, the cover is equipped with the second pressure spring on the second knife rest in the second mounting groove, the one end of second pressure spring is contradicted in the one side of the relative first blade holder of first intermediate backing plate, the other end of second pressure spring is contradicted in the one end of second knife rest.
6. The segmented double annular long taper hole machining device of claim 4, wherein: the two ends of the first tool rest are respectively provided with a first sliding boss, the peripheries of the first boring bar sleeves on the two sides of the first sliding groove are respectively provided with a first guide strip, and the first sliding bosses can just slide along the corresponding first guide strips.
7. The segmented double annular long taper hole machining device of claim 5, wherein: and second sliding bosses are arranged at two ends of the second tool rest, second guide strips are arranged on the peripheries of the second boring bar sleeves at two sides of the second sliding groove, and the second sliding bosses can just slide along the corresponding second guide strips.
8. The segmented double annular long taper hole machining device according to any one of claims 1 to 7, wherein: the frame is also connected with a transmission component for driving the first boring bar sleeve and the second boring bar sleeve to rotate, the transmission assembly comprises a driving motor fixed outside a transmission case, the transmission case is rotatably connected with a first transmission shaft and a second transmission shaft, the driving motor is connected with a first transmission shaft, a driving gear is connected on the first transmission shaft, the second transmission shaft is connected with a driven gear engaged with the driving gear, one end of the first transmission shaft extending out of the transmission box and far away from the driving motor is fixedly connected with a first connecting rod, one end of the first connecting rod, which is far away from the first transmission shaft, is fixedly connected with the thick end of the first boring rod sleeve, one end of the second transmission shaft, which extends out of the transmission case and is far away from the driving motor, is fixedly connected with a second connecting rod, and one end of the second connecting rod, which is far away from the second transmission shaft, is fixedly connected with the thick end of the second boring bar sleeve.
9. The segmented double annular long taper hole machining device of claim 8, wherein: the first connecting rod in-connection has and is used for driving first transmission lead screw pivoted first drive motor, second connecting rod in-connection has and is used for driving second transmission lead screw pivoted second drive motor.
10. The segmented double annular long taper hole machining device according to any one of claims 1 to 7, wherein: the first boring bar sleeve is connected with three first tool rests which are arranged at intervals in the axial direction, and the second boring bar sleeve is connected with three second tool rests which are arranged at intervals in the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111419676.0A CN114131081A (en) | 2021-11-26 | 2021-11-26 | Sectional type double-ring long taper hole machining device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116748601A (en) * | 2023-08-21 | 2023-09-15 | 成都航空职业技术学院 | Valve body machining equipment and machining method |
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