CN113714812A - Adjustable boring and rolling compound cutter - Google Patents
Adjustable boring and rolling compound cutter Download PDFInfo
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- CN113714812A CN113714812A CN202111135357.7A CN202111135357A CN113714812A CN 113714812 A CN113714812 A CN 113714812A CN 202111135357 A CN202111135357 A CN 202111135357A CN 113714812 A CN113714812 A CN 113714812A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
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Abstract
The invention relates to an adjustable boring and rolling compound cutter, for example, comprising: base, hydraulic pressure adjustment mechanism, rolling mechanism and cutting mechanism, the base includes: the device comprises a substrate and a stepped shaft arranged at one end of the substrate; the rolling mechanism is sleeved on the stepped shaft and connected with the stepped shaft; the cutting mechanism is sleeved on the stepped shaft and connected with the stepped shaft, and the rolling mechanism is located between the cutting mechanism and the substrate. The adjustable boring and rolling compound cutter disclosed by the embodiment of the invention can realize the precision adjustment of the rolling mechanism and the cutting mechanism, reduce errors, improve the machining precision and efficiency, ensure the machining straightness and coaxiality and improve the user experience.
Description
Technical Field
The invention relates to the technical field of compound cutters for deep hole machining, in particular to an adjustable boring and rolling compound cutter.
Background
Deep hole processing technology has wide application in many occasions of mechanical processing, and has high requirements on the quality of a processed surface. The scraping and rolling compound cutter is an extremely efficient processing mode in a deep hole processing method, and is mainly applied to processing deep holes such as an inner hole of a hydraulic oil cylinder of engineering machinery, an inner hole of a transmission shaft of an aircraft engine, an inner hole of a gun barrel and the like. The scraping and rolling compound cutter is also called as a boring rolling head and a scraping rolling head, and has the advantages that the technical requirements for deep hole machining are high, the scraping and rolling compound cutter is used for simultaneously boring and rolling, the machining efficiency is high, integrated machining is realized, the positioning error of repeated clamping is avoided, the machined hole has good surface roughness, and is high in corrosion resistance, wear resistance and fatigue resistance, but domestic cutters have the defects of insufficient precision in design, difficulty in adjustment of machining precision, large error, poor structural rigidity, low straightness and coaxiality, short service life of a roller, difficulty in disassembly and the like, and the domestic cutters have overhigh import cost and long purchase period.
Therefore, it is an urgent need to solve the above problems to design an adjustable boring and rolling compound cutter that avoids some of the disadvantages or shortcomings of the related art.
Disclosure of Invention
The invention mainly aims to provide an adjustable boring and rolling compound tool aiming at the defects and shortcomings of the prior art, and the adjustable boring and rolling compound tool can realize different precision adjustment of a rolling mechanism and a cutting mechanism through the specific structural design of the adjustable boring and rolling compound tool, reduce machining errors, improve the machining precision and efficiency of the tool, ensure the machining straightness and improve the user experience.
Specifically, one embodiment of the invention discloses an adjustable boring and rolling compound cutter, which comprises: a base, comprising: the basement is in with the setting the step shaft of basement one end, the basement is provided with basement axial hole, be provided with on the step shaft with the step shaft hole that basement axial hole is linked together, the step shaft includes: the first stepped shaft is connected with the substrate, and a sliding key groove is formed in the stepped shaft in the axial direction; a hydraulic adjustment mechanism located within the base axial bore and comprising: the cylinder cover is provided with an oil inlet port; the piston rod comprises a first end and a second end which are opposite, and the first end of the piston rod is connected with the cylinder cover; the piston rod is provided with a piston rod inner cavity, and the piston rod inner cavity is communicated with the oil inlet port; the cylinder barrel is sleeved at the first end of the piston rod and forms a cylinder barrel inner cavity with the piston rod, and the cylinder barrel inner cavity is communicated with the piston rod inner cavity; the first end of the piston rod is connected with the cylinder cover through the sealing ring; the adjusting elastic piece is sleeved on the second end of the piston rod, and one end, adjacent to the cylinder cover, of the adjusting elastic piece is abutted to the cylinder barrel; the pin sleeve is positioned in the inner hole of the stepped shaft and comprises a first pin sleeve end and a second pin sleeve end which are opposite, the first pin sleeve end is connected with the second end of the piston rod, the second pin sleeve end is provided with a first pin hole, and the other end of the adjusting elastic piece is abutted to the first pin sleeve end; the pin penetrates through the first pin hole, and a second pin hole is formed in the first stepped shaft corresponding to the pin; the connecting shaft comprises a first end of the connecting shaft and a second end of the connecting shaft which are opposite, wherein the first end of the connecting shaft is positioned in the first pin hole of the hydraulic adjusting mechanism, the pin penetrates through the first end of the connecting shaft through the first pin hole, and the second end of the connecting shaft is connected with the first end of the adjusting rod of the cutting mechanism; the connection is established to rolling mechanism, cover on the second step shaft, and include: one end of the sliding key is provided with a sliding key hole corresponding to the pin, the pin penetrates through the second pin hole and the sliding key hole, and the sliding key is arranged in the sliding key groove; a raceway, comprising: the first end of the raceway and the second end of the raceway are opposite, and the outer conical surface of the raceway and the inner hole surface of the raceway are opposite, wherein the diameter of the first end of the raceway is smaller than that of the second end of the raceway, the raceway is sleeved on the third stepped shaft through the inner hole surface of the raceway, a sliding channel groove is arranged on the inner hole surface of the raceway, the sliding key is further arranged in the sliding channel groove, and the sliding key is in interference fit with the sliding channel groove; the roller support is sleeved on the raceway and is provided with a roller holding groove; a roller disposed within the roller receiving groove and including opposing first and second roller ends, the first roller end having a diameter greater than the second roller end and disposed adjacent the first raceway end and the second roller end disposed adjacent the second raceway end, the roller further having an outer roller cone abutting against and rollably sliding relative to the outer raceway cone; the bearing is sleeved on the second stepped shaft and is arranged close to the first stepped shaft; the chuck is sleeved on the second stepped shaft and is positioned on one side, far away from the first stepped shaft, of the bearing; the bearing sleeve is sleeved on the bearing, the chuck and the first stepped shaft, and one end, far away from the cutting mechanism, of the bearing sleeve abuts against the substrate; the adjusting sleeve is sleeved on the bearing sleeve and is in threaded connection with the bearing sleeve, an outer cylindrical surface is arranged on the adjusting sleeve, an adjusting support is arranged on the outer cylindrical surface, and the adjusting support abuts against one end, close to the base, of the roller support; the cutting mechanism is sleeved and connected on the third stepped shaft, wherein the rolling mechanism is positioned between the cutting mechanism and the substrate, and the cutting mechanism comprises: the adjusting rod comprises a first end and a second end which are opposite, and the second end of the connecting shaft is connected with the first end of the adjusting rod; the boring and rolling head is provided with an axial inner hole of the boring and rolling head, the boring and rolling head is sleeved on the stepped shaft through the axial inner hole of the boring and rolling head and is connected with the stepped shaft, the boring and rolling head is provided with a fine boring cutter holder channel arranged along the radial direction of the boring and rolling head, the boring and rolling head is also provided with an inclined threaded through hole, and the adjusting rod is positioned in the axial inner hole of the boring and rolling head; the adjusting rod penetrates through the threaded middle hole and can rotate relative to the middle wedge block through the threaded middle hole, and an inclined sliding groove is formed in the side face of the middle wedge block; a fine boring cutter frame, one end of which is provided with a fine boring blade, the fine boring cutter frame is arranged in the fine boring cutter frame channel, one end of the fine boring cutter frame, which is far away from the fine boring blade, is clamped in the inclined sliding groove of the middle wedge block, and the fine boring cutter frame is also provided with an inclined blind hole, and the inclined blind hole corresponds to the inclined threaded through hole; the reset elastic piece is arranged in the inclined blind hole; the fixing piece is arranged in the inclined threaded through hole and is in threaded connection with the inclined threaded through hole, and the fixing piece is abutted to the reset elastic piece; and the adjusting cover is connected with the second end of the adjusting rod and is positioned in the axial inner hole of the boring roller head.
The invention discloses an adjustable boring and rolling compound cutter, which comprises: a base, comprising: the device comprises a substrate and a stepped shaft arranged at one end of the substrate; the rolling mechanism is sleeved on the stepped shaft and connected with the stepped shaft; the cutting mechanism is sleeved on the stepped shaft and connected with the stepped shaft, and the rolling mechanism is positioned between the cutting mechanism and the substrate; wherein the cutting mechanism comprises: the adjusting rod comprises a first end and a second end which are opposite to each other; the boring and rolling head is provided with an axial inner hole of the boring and rolling head, the boring and rolling head is sleeved on the stepped shaft through the axial inner hole of the boring and rolling head and is connected with the stepped shaft, the boring and rolling head is provided with a fine boring cutter holder channel arranged along the radial direction of the boring and rolling head, the boring and rolling head is also provided with an inclined threaded through hole, and the adjusting rod is positioned in the axial inner hole of the boring and rolling head; the adjusting rod penetrates through the threaded middle hole and can rotate relative to the middle wedge block through the threaded middle hole, and an inclined sliding groove is formed in the side face of the middle wedge block; a fine boring cutter frame, one end of which is provided with a fine boring blade, the fine boring cutter frame is arranged in the fine boring cutter frame channel, one end of the fine boring cutter frame, which is far away from the fine boring blade, is clamped in the inclined sliding groove of the middle wedge block, and the fine boring cutter frame is also provided with an inclined blind hole, and the inclined blind hole corresponds to the inclined threaded through hole; the reset elastic piece is arranged in the inclined blind hole; the fixing piece is arranged in the inclined threaded through hole and is in threaded connection with the inclined threaded through hole, and the fixing piece is abutted to the reset elastic piece; and the adjusting cover is connected with the second end of the adjusting rod and is positioned in the axial inner hole of the boring roller head.
In one embodiment of the present invention, the adjustable boring and rolling compound cutter further comprises: a hydraulic adjusting mechanism and a connecting shaft; the base is provided with a base axial inner hole, and the stepped shaft is provided with a stepped shaft inner hole communicated with the base axial inner hole; the hydraulic adjusting mechanism is located in the axial inner hole of the substrate and comprises: the cylinder cover is provided with an oil inlet port; the piston rod comprises a first end and a second end which are opposite, and the first end of the piston rod is connected with the cylinder cover; the piston rod is provided with a piston rod inner cavity, and the piston rod inner cavity is communicated with the oil inlet port; the cylinder barrel is sleeved at the first end of the piston rod and forms a cylinder barrel inner cavity with the piston rod, and the cylinder barrel inner cavity is communicated with the piston rod inner cavity; the adjusting elastic piece is sleeved on the second end of the piston rod, and one end, adjacent to the cylinder cover, of the adjusting elastic piece is abutted to the cylinder barrel; the pin sleeve is positioned in the inner hole of the stepped shaft and comprises a first pin sleeve end and a second pin sleeve end which are opposite, the first pin sleeve end is connected with the second end of the piston rod, the second pin sleeve end is provided with a first pin hole, and the other end of the adjusting elastic piece is abutted to the first pin sleeve end; and a pin penetrating the first pin hole; the connecting shaft comprises a first end of the connecting shaft and a second end of the connecting shaft, wherein the first end of the connecting shaft is located in the first pin hole of the hydraulic adjusting mechanism, the pin penetrates through the first pin hole to form the first end of the connecting shaft, and the second end of the connecting shaft is connected with the first end of the adjusting rod of the cutting mechanism.
In one embodiment of the present invention, the stepped shaft includes: the first stepped shaft is connected with the substrate, and a second pin hole is formed in the first stepped shaft corresponding to the pin; wherein the stepped shaft is provided with a sliding key groove along the axial direction; the rolling mechanism further comprises: one end of the sliding key is provided with a sliding key hole corresponding to the pin, and the pin penetrates through the second pin hole and the sliding key hole; the sliding key is arranged in the sliding key groove and is in interference fit with the sliding key groove; a raceway, comprising: the first end of the raceway and the second end of the raceway are opposite, and the outer conical surface of the raceway and the inner hole surface of the raceway are opposite, wherein the diameter of the first end of the raceway is smaller than that of the second end of the raceway, the raceway is sleeved on the third stepped shaft through the inner hole surface of the raceway, a sliding channel groove is arranged on the inner hole surface of the raceway, the sliding key is further arranged in the sliding channel groove, and the sliding key is in interference fit with the sliding channel groove; the roller support is sleeved on the raceway and is provided with a roller holding groove; a roller disposed within the roller receiving groove and including opposing first and second roller ends, the first roller end having a diameter greater than a diameter of the second roller end, the first roller end disposed adjacent the first raceway end, the second roller end disposed adjacent the second raceway end, the roller further having an outer roller cone abutting against the outer raceway cone and being rollably slidable relative thereto.
In one embodiment of the present invention, the rolling mechanism further comprises: the bearing is sleeved on the second stepped shaft and is arranged close to the first stepped shaft; the chuck is sleeved on the second stepped shaft and is positioned on one side, far away from the first stepped shaft, of the bearing; the bearing sleeve is sleeved on the bearing, the chuck and the first stepped shaft, and one end, far away from the cutting mechanism, of the bearing sleeve abuts against the substrate; the adjusting sleeve is sleeved on the bearing sleeve and is in threaded connection with the bearing sleeve, the adjusting sleeve is provided with an outer cylindrical surface, an adjusting support is arranged on the outer cylindrical surface, and the adjusting support is abutted against one end of the roller support, which is adjacent to the substrate.
In one embodiment of the present invention, the roller bracket includes a bracket main body provided with a roller slot and a bracket end cap connected to one end of the roller slot on the bracket main body to form the roller receiving groove with the roller slot for receiving the roller; the chuck is provided with a notch and is in threaded connection with the second stepped shaft.
In one embodiment of the invention, the adjustable boring and rolling compound cutter further comprises a plurality of first guide blocks; a plurality of first guide grooves are formed in the substrate, and the first guide blocks are arranged in the first guide grooves in a one-to-one correspondence mode.
In one embodiment of the invention, a rough boring cutter frame groove, a second guide groove and a third guide groove are respectively and correspondingly arranged on the boring and rolling head; the cutting mechanism further comprises: the heavy boring cutter frame is fixed in the heavy boring cutter frame groove, and the second guide block and the third guide block are arranged in the second guide groove and the third guide groove in a one-to-one correspondence mode.
In one embodiment of the invention, the taper of the raceway outer cone is the same as the taper of the roller outer cone.
In one embodiment of the invention, the taper of the raceway outer cone is 1:20 as compared to the taper of the roller outer cone.
The technical scheme has the following advantages or beneficial effects: through the specific structural design of the cutting mechanism, for example, the adjusting cover is rotated to drive the adjusting rod and the middle wedge block to move up and down, so that the fine boring cutter frame expands outwards based on the boring head along with the extrusion of the middle wedge block and retracts inwards based on the boring head along with the elasticity of the reset elastic piece, and the fine adjustment of the fine boring cutter frame can be realized; through the specific structural design of the hydraulic adjusting mechanism and the connecting shaft, for example, through oil inlet and oil outlet of the hydraulic adjusting mechanism, the connecting shaft is driven to pull or push the adjusting rod, so that the fine boring tool rest expands outwards based on the boring head along with the extrusion of the middle wedge block or retracts inwards based on the boring head along with the elasticity of the reset elastic piece, and the coarse adjustment of the fine boring tool rest can be realized; through the specific structural design of the hydraulic adjusting mechanism and the rolling mechanism, for example, through oil inlet and oil outlet of the hydraulic adjusting mechanism, a pin sleeve is driven to pull or push a pin and a sliding key to move up and down based on the direction of a boring and rolling head, the outer conical surface of a roller path and the outer conical surface of a roller slide relatively, and the appearance diameter of the rolling mechanism is adjusted to realize coarse adjustment of the rolling mechanism; the appearance diameter of the rolling mechanism is adjusted through the specific structural design of the rolling mechanism, for example, the roller support is pushed by rotating the adjusting sleeve to move upwards with the roller, namely, the roller moves upwards relative to the roller path away from the substrate, so that the fine adjustment of the rolling mechanism is realized; moreover, the adjustable boring and rolling compound cutter is high in coaxiality, high in machining straightness, easy to detach and capable of improving user experience.
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 are 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 creative efforts.
Fig. 1 is a schematic overall appearance diagram of an adjustable boring and rolling compound cutter provided by an embodiment of the invention.
Fig. 2 is a schematic overall explosion diagram of the adjustable boring and rolling compound cutter provided by the embodiment of the invention.
Fig. 3 is a schematic internal structural diagram of an adjustable boring and rolling compound cutter provided by the embodiment of the invention.
Fig. 4a is a structural schematic diagram of a base of the adjustable boring and rolling compound tool shown in fig. 2.
FIG. 4b is a schematic structural diagram of a part of the components of the adjustable boring and rolling compound tool shown in FIG. 2.
FIG. 4c is a schematic structural diagram of a portion of the components of the adjustable boring and rolling compound tool shown in FIG. 2.
FIG. 4d is a schematic structural diagram of a part of the components of the adjustable boring and rolling compound tool shown in FIG. 2.
FIG. 4e is a schematic structural diagram of a part of the components of the adjustable boring and rolling compound tool shown in FIG. 2.
Fig. 5 is a structural schematic diagram of a raceway and a roller of the adjustable boring and rolling compound cutter shown in fig. 2.
FIG. 6 is a schematic cross-sectional view at A-A of the adjustable boring and rolling compound tool shown in FIG. 3.
Fig. 7 is a schematic internal structure diagram of a rolling adjustment mechanism of the adjustable boring and rolling compound cutter shown in fig. 3.
Fig. 8 is an exemplary schematic diagram of a boring head of the adjustable boring and rolling compound tool shown in fig. 3 during adjustment of precision.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terms first, second and the like in the description and in the claims of the present invention are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, article, or apparatus.
Referring to fig. 1, fig. 2 and fig. 3, an adjustable boring and rolling compound cutter 100 according to an embodiment of the present invention includes: the method comprises the following steps: the machine comprises a base 10, a rolling mechanism 20, a cutting mechanism 30, a hydraulic adjusting mechanism 40 and a connecting shaft 28.
Among them, the base 10 includes, for example: a base 11 and a stepped shaft 12 provided at one end of the base 11. And the rolling mechanism 20 is sleeved on the stepped shaft 12 and connected with the stepped shaft 12. And the cutting mechanism 30 is sleeved on the stepped shaft 12 and connected with the stepped shaft 12, and the rolling mechanism 20 is positioned between the cutting mechanism 30 and the substrate 11.
Referring to fig. 4b and 6, the cutting mechanism 30 includes, for example: the adjusting rod 36, the boring and rolling head 38, the middle wedge block 37, the fine boring tool holder 34, the return elastic piece 342, the fixed piece 343 and the adjusting cover 32.
The adjustment rod 36 includes a first end 361 and a second end 362. The boring and rolling head 38 is provided with a boring and rolling head axial inner hole 382, the boring and rolling head 38 is sleeved on the stepped shaft 12 through the boring and rolling head axial inner hole 382 and is connected with the stepped shaft 12, a fine boring tool rest channel 381 arranged along the radial direction of the boring and rolling head 38 is arranged on the boring and rolling head 38, an inclined threaded through hole 383 is further arranged on the boring and rolling head 38, and the adjusting rod 36 is located in the boring and rolling head axial inner hole 382. And a center chock 37 provided with a threaded center hole 372, through which the adjusting rod passes and is rotatable with respect to the center chock 37 by means of the threaded center hole 372, wherein the side of the center chock 37 is provided with an inclined sliding groove 371. The fine boring cutter holder 34 is provided with a fine boring blade 344 at one end thereof, the fine boring cutter holder 34 is arranged in a fine boring cutter holder channel 381, one end of the fine boring cutter holder 34 far away from the fine boring blade 344 is clamped in an inclined sliding groove 371 of the middle wedge block 37, and the fine boring cutter holder 34 is also provided with an inclined blind hole 341, and the inclined blind hole 341 corresponds to the inclined threaded through hole 383. A return elastic member 342, such as a spring, is provided in the inclined blind hole 341. And a fixing member 343 which is disposed in the inclined screw through hole 383 and is screw-coupled to the inclined screw through hole 383, and the fixing member 343 abuts the return elastic member 342. The adjustment cap 32 is coupled to the adjustment rod second end 362 and is positioned within the bore roller head axial bore 382.
Specifically, in the present embodiment, the fine adjustment of the fine boring tool holder 34 is realized by rotating the adjusting rod 36 through the rotating adjusting cover 32, referring to fig. 8, the middle wedge 37 is screwed with the adjusting rod 36 through the threaded middle hole 372 to drive the middle wedge 37 to move up and down slowly in the bore roller axial inner hole 382 through the rotating manner, and the fine boring tool holder 34 is based on the inclined sliding groove 371 arranged on the side surface of the middle wedge 37, so that the fine boring tool holder 34 expands outwards based on the bore roller 38 along with the extrusion of the middle wedge 37 to realize the tool expansion, whereas the fine boring tool holder 34 retracts inwards based on the bore roller 38 along with the elastic force of the restoring elastic member 342 to realize the tool contraction.
Referring to fig. 2, 5 and 7, the base 11 is provided with a base axial inner hole 111, and the stepped shaft 12 is provided with a stepped shaft inner hole 121 communicating with the base axial inner hole 111. A hydraulic adjustment mechanism 40 located within the base axial bore 111 and including: cylinder cover 41, piston rod 43, cylinder 44, adjusting elastic piece 45, pin sleeve 46 and pin 27.
Wherein, cylinder cap 41 is provided with the oil feed port. Referring to fig. 4d, the piston rod 43 includes a first piston rod end 431 and a second piston rod end 432, and the first piston rod end 431 is connected to the cylinder head 41. The piston rod 43 is provided with a piston rod inner cavity, and the piston rod inner cavity is communicated with the oil inlet port. The cylinder 44 is sleeved on the first end 431 of the piston rod and forms a cylinder inner cavity with the piston rod 43, and the cylinder inner cavity is communicated with the piston rod inner cavity. And the adjusting elastic piece 45 is sleeved on the second end 432 of the piston rod, and one end of the adjusting elastic piece 45, which is adjacent to the cylinder cover 41, abuts against the cylinder barrel 44. A pin sleeve 46 located in the stepped shaft bore 121 and including opposite pin sleeve first and second ends 461 and 462, the pin sleeve first end 461 being connected to the piston rod second end 432, the pin sleeve second end 462 being provided with a first pin aperture 463, wherein the other end of the adjustment spring 45 abuts the pin sleeve first end 461. A pin 27 extends through the first pin hole 463. In addition, the connecting shaft 28 includes a first end 281 and a second end 282, wherein the first end 281 is located in a first pin hole 463 of the hydraulic adjusting mechanism 40, the pin 27 penetrates the first end 281 through the first pin hole 463, and the second end 282 is connected to the first end 361 of the adjusting rod of the cutting mechanism 30.
Referring to fig. 4e, the second end 282 of the connecting shaft is, for example, a slot, and the first end 361 of the adjusting rod is, for example, a spherical joint, so as to be clamped in the slot of the second end 282 of the connecting shaft.
Specifically, in the present embodiment, the rough adjustment of the fine boring tool holder 34 is performed by oil feeding and oil discharging of the hydraulic adjusting mechanism 40 and matching with the connecting shaft 28, specifically, the cylinder 44 makes the piston rod 43 move downward in the direction away from the boring roller head 38 with the continuous oil feeding of the oil inlet port of the cylinder cover 41, and further pulls the pin 27, the connecting shaft 28, the adjusting rod 36, the middle wedge 37, and the adjusting cover 32 to move downward through the pin sleeve 46, the fine boring tool holder 34 makes the fine boring tool holder 34 expand outward based on the boring roller head 38 along with the extrusion of the middle wedge 37 based on the inclined chute 371 disposed on the side surface of the middle wedge 37, so as to achieve tool expansion, otherwise, the cylinder 44 makes the piston rod 43 move upward in the direction of the boring roller head 38 with the continuous oil discharging of the oil inlet port of the cylinder cover 41, and further pushes the connecting shaft 28, the adjusting rod 36, the middle wedge 37, and the adjusting cover 32 to move upward through the pin sleeve 46, the fine boring tool holder 34 is based on the inclined sliding groove 371 of the middle wedge block 37, so that the fine boring tool holder 34 retracts inwards along with the elastic force of the reset elastic piece 342 based on the boring head 38, and tool retracting is achieved.
In this embodiment, the movement displacement of the piston rod 43 can be calculated according to the oil inlet volume and the oil outlet volume of the hydraulic adjusting mechanism 40, specifically, for example, if the diameter of the inner cavity of the cylinder 44 is D, the oil inlet volume is V, and the movement displacement of the piston rod 43 is h:
the bore diameter and the oil intake of the cylinder 44 can be calculated.
Wherein the fine boring tool holder 34 is based on the expansion and contraction displacement S of the boring and rolling head 381The angle between the side surface and the bottom surface of the inclined sliding groove 371 of the center wedge 37 is theta1Based on the above-mentioned calculation formula for the motion displacement h of the piston rod 43, there are:
referring to fig. 4a, the stepped shaft 12 includes, for example: the first stepped shaft 122 is connected with the substrate 11, and the first stepped shaft 122 is provided with a second pin hole 125 corresponding to the pin 27; wherein the stepped shaft 12 is provided with a spline groove 16 in the axial direction. Referring to fig. 4c and 5, rolling mechanism 20 further includes, for example: sliding key 271, raceway 29, roller bracket 22, roller 24.
Referring to fig. 2, one end of the sliding key 271 is provided with a sliding key hole 2711 corresponding to the pin 27, and the pin 27 penetrates through the second pin hole 125 and the sliding key hole 2711. The feather key 271 is disposed within the feather key groove 16. A raceway 29 comprising: the first end 291 and the second end 292 of the raceway are opposite, and the outer conical surface 293 and the inner hole surface 294 of the raceway are opposite, the diameter of the first end 291 of the raceway is smaller than that of the second end 292 of the raceway, the raceway 29 is sleeved on the third step shaft 124 through the inner hole surface 294 of the raceway, a sliding groove 295 is arranged on the inner hole surface 294 of the raceway, the sliding key 271 is further arranged in the sliding groove 295, and the sliding key 271 is in interference fit with the sliding groove 295. The roller bracket 22 is sleeved on the raceway 29, and a roller accommodating groove 221 is formed in the roller bracket 22. And a roller 24 disposed within the roller receiving groove 221 and including opposite roller first and second ends 241, 242, the roller first end 241 having a diameter greater than the roller second end 241 and the roller first end 241 being disposed adjacent the raceway first end 291 and the roller second end 242 being disposed adjacent the raceway second end 292, the roller 24 further having a roller outer cone 243, the roller outer cone 243 abutting against the raceway outer cone 293 and being rollably slidable relative to the raceway outer cone 293. Here, the sliding key 271 and the sliding groove 295 are in interference fit, which means that the two elements are tightly coupled after contacting, and when the elements move relatively, a mutual friction force is generated between the contact surfaces to transmit a torsion or axial force.
Specifically, in the present embodiment, the coarse adjustment of the rolling mechanism 20 is realized by oil feeding and oil discharging of the hydraulic adjustment mechanism 40, specifically, the cylinder 44 continuously feeds oil or discharges oil along with the oil inlet port of the cylinder head 41 so that the piston rod 43 moves up and down based on the boring roller head 38, and then the pin 27 and the sliding key 271 are pulled or pushed by the pin sleeve 46 to move, because the sliding key 271 and the sliding channel 295 are in interference fit, the sliding channel 295 moves up and down along with the sliding key 271, that is, the raceway 29 moves up and down based on the base 11 relative to the roller 24, and the outer conical surface 293 and the outer conical surface 243 of the roller slide relative to each other, so as to adjust the external diameter of the rolling mechanism 20, thereby realizing the coarse adjustment of the rolling mechanism 20.
Referring to fig. 2 and 4c, the rolling mechanism 20 further includes, for example: bearing 25, chuck 261, adjustment sleeve 21 and bearing sleeve 26.
The bearing 25 is sleeved on the second stepped shaft 123; and a bearing 25 sleeved on the second stepped shaft 123 and disposed adjacent to the first stepped shaft 122. And the chuck 261 is sleeved on the second stepped shaft 123 and is located on one side of the bearing 25 away from the first stepped shaft 122. And the bearing sleeve 26 is sleeved on the bearing 25, the chuck 261 and the first stepped shaft 122, and one end of the bearing sleeve 26, which is far away from the cutting mechanism 30, is abutted against the substrate 11. The adjusting sleeve 21 is sleeved on the bearing sleeve 26 and is in threaded connection with the bearing sleeve 26, the adjusting sleeve 21 is provided with an outer cylindrical surface, an adjusting support 211 is arranged on the outer cylindrical surface, and the adjusting support 211 abuts against one end, which is not detachable and is adjacent to the substrate 11, of the roller support 22.
Specifically, in the present embodiment, the fine adjustment of the rolling mechanism 20 is performed by rotating the adjusting sleeve 21, specifically, the adjusting sleeve 21 is connected with the bearing sleeve 26 by a screw thread, which can be understood as an adjusting screw thread, the adjusting bracket 211 is, for example, an "L" bracket, one end of the roller bracket 22 abuts on the adjusting bracket 211, the adjusting sleeve 21 is slowly adjusted up and down based on the base 11 by rotating the adjusting sleeve 21, the roller bracket 22 carries the roller 24 to move up and down, that is, the roller 24 moves up and down based on the base 11 relative to the raceway 29, and the raceway outer conical surface 293 slides relative to the roller outer conical surface 243 to adjust the appearance diameter of the rolling mechanism 20, so as to achieve the fine adjustment of the rolling mechanism 20.
Further, the roller holder 22 includes, for example, a holder main body 221 and a holder end cover 23, the holder main body 221 being provided with roller notches, and the holder end cover 23 being attached to one ends of the roller notches on the holder main body 221 to form roller receiving grooves with the roller notches for receiving the rollers 24. A slot 2611 is provided on the chuck 261, and the chuck 261 is threadedly coupled to the second step shaft 123.
The holder end cap 23 is screwed to one end of the roller holder 21 to restrain the roller 24 in the roller receiving groove 221 of the roller holder 21. The end caps 23 are, for example, two semicircular end caps, the inner diameter and the outer diameter of the end caps 23 are the same as those of the roller holders 22, and the end caps are screwed to one ends of the roller receiving grooves 221 to restrain the rollers 24 in the roller receiving grooves 221, for example, when the rollers 24 are disassembled and replaced, the screws for fixing the end caps 23 are unscrewed to facilitate the replacement of the rollers 24. The chuck 261 is provided with a plurality of notches 2611, for example, to facilitate the introduction of lubricant for lubrication and the removal thereof.
Further, the adjustable boring and rolling compound cutter 100 also includes a plurality of first guide blocks 14. The substrate 11 is provided with a plurality of first guide grooves 141, and the plurality of first guide blocks 14 are disposed in the first guide grooves 141 in a one-to-one correspondence. The boring and rolling head 38 is provided with a rough boring tool holder groove 331, a second guide groove 311 and a third guide groove 351 correspondingly. The cutting mechanism 30 further includes: the rough boring cutter frame 33 is fixed in the rough boring cutter frame groove 331, and the second guide block 31 and the third guide block 35 are correspondingly arranged in the second guide groove 311 and the third guide groove 351 one by one.
The plurality of first guide blocks 14 are, for example, guide blocks made of plastic material, and are circumferentially and uniformly disposed on the base 11 to perform supporting and guiding functions. The second guide block 31 is made of alloy material, and is circumferentially and uniformly arranged on the boring head 38, so that not only can the function of guiding, but also the wear can be borne, and particularly, when the blade of the second guide block is broken during work, further wear of the whole compound cutter can be avoided under the supporting function of the second guide block 31. The third guide block 35 is made of plastic material, for example, and is circumferentially and uniformly disposed on the boring head 38 to perform a guiding function so as to ensure machining straightness and coaxiality.
Further, the taper of the raceway outer tapered surface 293 is the same as that of the roller outer tapered surface 243, and the taper of the raceway outer tapered surface 293 and that of the roller outer tapered surface 243 are 1: 20.
Wherein, the included angle θ between the raceway outer cone surface 293 and the plane of the raceway second end 2922Can be calculated based on the taper of the raceway outer cone 293 and the taper of the roller outer cone 243 being 1:20, and the included angle theta is calculated2Comprises the following steps:
because the structural arrangement of the runner 29 and the roller 24 can be understood as a straight-reverse arrangement, the angles at which the roller outer taper 243 abuts the raceway outer taper 293 are complementary.
Here, the radial displacement S with respect to the roller 242Based on the above-mentioned calculation formula of the movement displacement h of the piston rod 43, there are:
further, the hydraulic assembly 40 further includes, for example: the sealing ring 42 and the first end 431 of the piston rod are connected with the oil inlet port through the sealing ring 42.
The seal ring 42 is, for example, a rubber seal ring, and is used for sealing to prevent leakage of hydraulic oil.
Referring to fig. 4a and 4d, the number of the sliding keys 271 is two, and two sliding key grooves 16 are provided on the stepped shaft 12 corresponding to the two sliding keys 271. A semi-circular key 17 is arranged on the third stepped shaft 124, the semi-circular key 17 is arranged at one end of any one of the two sliding key grooves 16 relative to the base 11, wherein the boring and rolling head 38 is sleeved on the semi-circular key 17 to limit the circumferential rotation of the boring and rolling head 38.
Wherein, two feather keys 271 are relative to each other and set up, through pin 27 through connection, when carrying out the precision adjustment operation, the drive of distribution pin 27 for two feather keys 271 slide in feather key groove 16 in step.
In summary, the adjustable boring and rolling compound tool disclosed in this embodiment drives the adjusting rod and the middle wedge block to move up and down through the specific structural design of the cutting mechanism, for example, by rotating the adjusting cover, so that the fine boring tool rest expands outwards based on the boring head along with the extrusion of the middle wedge block and retracts inwards based on the boring head along with the elastic force of the reset elastic element, and the fine adjustment of the fine boring tool rest can be realized; through the specific structural design of the hydraulic adjusting mechanism and the connecting shaft, for example, through oil inlet and oil outlet of the hydraulic adjusting mechanism, the connecting shaft is driven to pull or push the adjusting rod, so that the fine boring tool rest expands outwards based on the boring head along with extrusion of the middle wedge block and retracts inwards based on the boring head along with the elasticity of the reset elastic piece, and the coarse adjustment of the fine boring tool rest can be realized; through the specific structural design of the hydraulic adjusting mechanism and the rolling mechanism, for example, through oil feeding of the hydraulic adjusting mechanism, the pin sleeve is driven to pull or push the pin and the sliding key to move up and down based on the direction of the boring and rolling head, the outer conical surface of the roller path and the outer conical surface of the roller slide relatively, and the appearance diameter of the rolling mechanism is adjusted, so that coarse adjustment of the rolling mechanism 20 is realized; the appearance diameter of the rolling mechanism is adjusted through the specific structural design of the rolling mechanism, for example, the roller support is pushed by rotating the adjusting sleeve to move upwards with the roller, namely, the roller moves upwards relative to the roller path away from the substrate, so that the fine adjustment of the rolling mechanism is realized; in addition, through the specific structural design of the end cover of the bracket, the detachability of the roller can be realized, the replacement of the roller and the specific structural design of the cutting mechanism and the rolling mechanism are convenient, and the whole structure is easy to disassemble; moreover, the adjustable boring and rolling compound cutter is high in coaxiality, so that the machining straightness is high, and the experience of a user is improved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An adjustable boring and rolling compound cutter is characterized by comprising:
a base (10) comprising: basement (11) and setting are in stepped shaft (12) of basement (11) one end, basement (11) are provided with basement axial hole (111), be provided with on stepped shaft (12) with stepped shaft hole (121) that basement axial hole (111) are linked together, stepped shaft (12) include: the first stepped shaft (122), the second stepped shaft (123) and the third stepped shaft (124) are sequentially connected, the first stepped shaft (122) is connected with the base (11), and a sliding key groove (16) is formed in the stepped shaft (12) in the axial direction;
a hydraulic adjustment mechanism (40) located within the base axial bore (111) and including:
a cylinder head (41) provided with an oil inlet port;
a piston rod (43) including opposing piston rod first (431) and second (432) ends, the piston rod first end (431) being connected to the cylinder head (41); a piston rod inner cavity is formed in the piston rod (43), and the piston rod inner cavity is communicated with the oil inlet port;
the cylinder barrel (44) is sleeved at the first end (431) of the piston rod and forms a cylinder barrel inner cavity together with the piston rod (43), and the cylinder barrel inner cavity is communicated with the piston rod inner cavity;
the first end (431) of the piston rod is connected with the cylinder cover (41) through the sealing ring (42);
the adjusting elastic piece (45) is sleeved on the second end (432) of the piston rod, and one end, close to the cylinder cover (41), of the adjusting elastic piece (45) is abutted to the cylinder barrel (44);
a pin sleeve (46) located in the stepped shaft bore (121) and including opposite pin sleeve first (461) and pin sleeve second (462), the pin sleeve first end (461) being connected to the piston rod second end (432), the pin sleeve second end (462) being provided with a first pin hole (463), wherein the other end of the adjusting spring (45) abuts the pin sleeve first end (461); and
a pin (27) penetrating through the first pin hole (463), wherein a second pin hole (125) is provided on the first stepped shaft (122) corresponding to the pin (27);
a connecting shaft (28) including opposing connecting shaft first (281) and connecting shaft second (282) ends, wherein the connecting shaft first end (281) is located in the first pin hole (463) of the hydraulic adjustment mechanism (40), the pin (27) penetrates the connecting shaft first end (281) through the first pin hole (463), and the connecting shaft second end (282) is connected to the adjusting lever first end (361) of the cutting mechanism (30);
the rolling mechanism (20) is sleeved on the second stepped shaft (123) and comprises:
a sliding key (271) with one end provided with a sliding key hole (2711) corresponding to the pin (27), wherein the pin (27) penetrates through the second pin hole (125) and the sliding key hole (2711), the sliding key (271) is arranged in the sliding key groove (16), and the sliding key (271) is in interference fit with the sliding key groove (16);
a raceway (29) comprising: the third stepped shaft is characterized by comprising opposite first raceway end (291) and second raceway end (292), opposite outer raceway conical surfaces (293) and inner raceway hole surfaces (294), wherein the diameter of the first raceway end (291) is smaller than that of the second raceway end (292), the raceway (29) is sleeved on the third stepped shaft (124) through the inner raceway hole surface (294), a sliding channel groove (295) is formed in the inner raceway hole surface (294), the sliding key (271) is further arranged in the sliding channel groove (295), and the sliding key (271) is in interference fit with the sliding channel groove (295);
the roller support (22) is sleeved on the raceway (29), and a roller accommodating groove (221) is formed in the roller support (22);
a roller (24) disposed within the roller receiving groove (221) and including opposing roller first (241) and second (242) ends, the roller first end (241) having a diameter greater than the roller second end (241) and the roller first end (241) being disposed adjacent the raceway first end (291) and the roller second end (242) being disposed adjacent the raceway second end (292), the roller (24) further having a roller outer tapered surface (243), the roller outer tapered surface (243) abutting against the raceway outer tapered surface (293) and being rollably slidable relative to the raceway outer tapered surface (293);
the bearing (25) is sleeved on the second stepped shaft (123) and is arranged adjacent to the first stepped shaft (122);
the chuck (261) is sleeved on the second stepped shaft (123) and is positioned on one side, far away from the first stepped shaft (122), of the bearing (25);
the bearing sleeve (26) is sleeved on the bearing (25), the chuck (261) and the first stepped shaft (122), and one end, far away from the cutting mechanism (30), of the bearing sleeve (26) abuts against the substrate (11);
the adjusting sleeve (21) is sleeved on the bearing sleeve (26) and is in threaded connection with the bearing sleeve (26), the adjusting sleeve (21) is provided with an outer cylindrical surface, an adjusting bracket (211) is arranged on the outer cylindrical surface, and the adjusting bracket (211) abuts against one end, adjacent to the base (11), of the roller bracket (22);
a cutting mechanism (30) sleeved on the third stepped shaft (124), wherein the rolling mechanism (20) is located between the cutting mechanism (30) and the substrate (11), and the cutting mechanism (30) comprises:
the adjusting rod (36) comprises a first adjusting rod end (361) and a second adjusting rod end (362) which are opposite, and the second connecting shaft end (282) is connected with the first adjusting rod end (361);
the boring and rolling head (38) is provided with a boring and rolling head axial inner hole (382), the boring and rolling head (38) is sleeved on the stepped shaft (12) through the boring and rolling head axial inner hole (382) and is connected with the stepped shaft (12), a fine boring tool rest channel (381) arranged along the radial direction of the boring and rolling head (38) is arranged on the boring and rolling head (38), an inclined threaded through hole (383) is further arranged on the boring and rolling head (38), and the adjusting rod (36) is located in the boring and rolling head axial inner hole (382);
a center chock (37) provided with a threaded center hole (372), through which the adjusting rod passes and is rotatable with respect to the center chock (37), wherein a side of the center chock (37) is provided with an inclined sliding groove (371);
a fine boring cutter holder (34), one end of which is provided with a fine boring blade (344), the fine boring cutter holder (34) is arranged in the fine boring cutter holder channel (381), one end of the fine boring cutter holder (34) far away from the fine boring blade (344) is clamped in the inclined sliding groove (371) of the middle wedge block (37), the fine boring cutter holder (34) is also provided with an inclined blind hole (341), and the inclined blind hole (341) corresponds to the inclined threaded through hole (383);
a return spring (342) disposed in the inclined blind hole (341);
a fixing piece (343) which is provided in the inclined threaded through hole (383) and is in threaded connection with the inclined threaded through hole (383), wherein the fixing piece (343) abuts against the return elastic piece (342);
an adjustment cap (32) coupled to the adjustment rod second end (362) and positioned within the bore roller head axial bore (382).
2. An adjustable boring and rolling compound cutter is characterized by comprising:
a base (10) comprising: the device comprises a base (11) and a stepped shaft (12) arranged at one end of the base (11);
the rolling mechanism (20) is sleeved on the stepped shaft (12) and connected with the stepped shaft (12);
the cutting mechanism (30) is sleeved on the stepped shaft (12) and connected with the stepped shaft (12), and the rolling mechanism (20) is positioned between the cutting mechanism (30) and the substrate (11);
wherein the cutting mechanism (30) comprises:
an adjustment rod (36) including opposing adjustment rod first (361) and second (362) ends;
the boring and rolling head (38) is provided with a boring and rolling head axial inner hole (382), the boring and rolling head (38) is sleeved on the stepped shaft (12) through the boring and rolling head axial inner hole (382) and is connected with the stepped shaft (12), a fine boring tool rest channel (381) arranged along the radial direction of the boring and rolling head (38) is arranged on the boring and rolling head (38), an inclined threaded through hole (383) is further arranged on the boring and rolling head (38), and the adjusting rod (36) is located in the boring and rolling head axial inner hole (382);
a center wedge (37) provided with a threaded center hole (372), through which the adjusting rod passes through the threaded center hole (372) and is rotatable with respect to the center wedge (37) through the threaded center hole (372), wherein a side of the center wedge (37) is provided with an inclined sliding groove (371);
a fine boring cutter holder (34), one end of which is provided with a fine boring blade (344), the fine boring cutter holder (34) is arranged in the fine boring cutter holder channel (381), one end of the fine boring cutter holder (34) far away from the fine boring blade (344) is clamped in the inclined sliding groove (371) of the middle wedge block (37), the fine boring cutter holder (34) is also provided with an inclined blind hole (341), and the inclined blind hole (341) corresponds to the inclined threaded through hole (383);
a return spring (342) disposed in the inclined blind hole (341);
a fixing piece (343) which is provided in the inclined threaded through hole (383) and is in threaded connection with the inclined threaded through hole (383), wherein the fixing piece (343) abuts against the return elastic piece (342);
an adjustment cap (32) coupled to the adjustment rod second end (362) and positioned within the bore roller head axial bore (382).
3. The adjustable boring and rolling compound cutter of claim 2, wherein the adjustable boring and rolling compound cutter (100) further comprises: a hydraulic adjusting mechanism (40) and a connecting shaft (28);
the base (11) is provided with a base axial inner hole (111), and the stepped shaft (12) is provided with a stepped shaft inner hole (121) communicated with the base axial inner hole (111);
the hydraulic adjustment mechanism (40) is located within the base axial bore (111) and includes:
a cylinder head (41) provided with an oil inlet port;
a piston rod (43) including opposing piston rod first (431) and second (432) ends, the piston rod first end (431) being connected to the cylinder head (41); a piston rod inner cavity is formed in the piston rod (43), and the piston rod inner cavity is communicated with the oil inlet port;
the cylinder barrel (44) is sleeved at the first end (431) of the piston rod and forms a cylinder barrel inner cavity together with the piston rod (43), and the cylinder barrel inner cavity is communicated with the piston rod inner cavity;
the adjusting elastic piece (45) is sleeved on the second end (432) of the piston rod, and one end, close to the cylinder cover (41), of the adjusting elastic piece (45) is abutted to the cylinder barrel (44);
a pin sleeve (46) located in the stepped shaft bore (121) and including opposite pin sleeve first (461) and pin sleeve second (462), the pin sleeve first end (461) being connected to the piston rod second end (432), the pin sleeve second end (462) being provided with a first pin hole (463), wherein the other end of the adjusting spring (45) abuts the pin sleeve first end (461); and
a pin (27) extending through the first pin hole (463);
the connecting shaft (28) comprises a first connecting shaft end (281) and a second connecting shaft end (282) which are opposite to each other, wherein the first connecting shaft end (281) is located in the first pin hole (463) of the hydraulic adjusting mechanism (40), the pin (27) penetrates through the first connecting shaft end (281) through the first pin hole (463), and the second connecting shaft end (282) is connected with the first adjusting rod end (361) of the cutting mechanism (30).
4. The adjustable boring and rolling compound tool as set forth in claim 3, characterized in that the stepped shaft (12) comprises: the first stepped shaft (122), the second stepped shaft (123) and the third stepped shaft (124) are sequentially connected, the first stepped shaft (122) is connected with the substrate (11), and a second pin hole (125) is formed in the first stepped shaft (122) corresponding to the pin (27); wherein a sliding key groove (16) is arranged on the stepped shaft (12) along the axial direction;
the rolling mechanism (20) further comprises:
a sliding key (271) having one end provided with a sliding key hole (2711) corresponding to the pin (27), the pin (27) penetrating the second pin hole (125) and the sliding key hole (2711); the feather key (271) is arranged in the feather key groove (16);
a raceway (29) comprising: the third stepped shaft is characterized by comprising opposite first raceway end (291) and second raceway end (292), opposite outer raceway conical surfaces (293) and inner raceway hole surfaces (294), wherein the diameter of the first raceway end (291) is smaller than that of the second raceway end (292), the raceway (29) is sleeved on the third stepped shaft (124) through the inner raceway hole surface (294), a sliding channel groove (295) is formed in the inner raceway hole surface (294), the sliding key (271) is further arranged in the sliding channel groove (295), and the sliding key (271) is in interference fit with the sliding channel groove (295);
the roller support (22) is sleeved on the raceway (29), and a roller accommodating groove (221) is formed in the roller support (22);
a roller (24) disposed within the roller receiving groove (221) and including opposing roller first (241) and second (242) ends, the roller first end (241) having a diameter greater than the roller second end (241) and the roller first end (241) being disposed adjacent the raceway first end (291) and the roller second end (242) being disposed adjacent the raceway second end (292), the roller (24) further having a roller outer tapered surface (243), the roller outer tapered surface (243) abutting against the raceway outer tapered surface (293) and being rollably slidable relative to the raceway outer tapered surface (293).
5. The adjustable boring and rolling compound tool of claim 4, wherein the rolling mechanism (20) further comprises:
a bearing (25) sleeved on the second stepped shaft (123) and arranged adjacent to the first stepped shaft (122);
the chuck (261) is sleeved on the second stepped shaft (123) and is positioned on one side, far away from the first stepped shaft (122), of the bearing (25);
the bearing sleeve (26) is sleeved on the bearing (25), the chuck (261) and the first stepped shaft (122), and one end, far away from the cutting mechanism (30), of the bearing sleeve (26) abuts against the substrate (11);
adjusting sleeve (21), the cover establish bearing sleeve (26) go up and with bearing sleeve (26) threaded connection, adjusting sleeve (21) are provided with outer face of cylinder, be provided with on the face of cylinder and adjust support (211), adjust support (211) butt and be in roller support (22) are gone up neighbouring the one end of basement (11).
6. The adjustable boring and rolling compound tool of claim 4,
the roller bracket (22) comprises a bracket main body (221) and a bracket end cover (23), a roller notch is arranged on the bracket main body (221), and the bracket end cover (23) is connected to one end of the roller notch on the bracket main body (221) to form the roller accommodating groove (221) for accommodating the roller (24) with the roller notch;
a notch (2611) is arranged on the chuck (261), and the chuck (261) is connected with the second stepped shaft (123) through threads.
7. The adjustable boring and rolling compound tool as set forth in claim 1 or 2, characterized in that the adjustable boring and rolling compound tool (100) further comprises a plurality of first guide blocks (14);
a plurality of first guide grooves (141) are formed in the substrate (11), and the first guide blocks (14) are arranged in the first guide grooves (141) in a one-to-one correspondence manner.
8. The adjustable boring and rolling compound tool as claimed in claim 1 or 2, characterized in that the boring and rolling head (38) is respectively provided with a rough boring carriage slot (331), a second guide slot (311) and a third guide slot (351) correspondingly;
the cutting mechanism (30) further comprises: the heavy boring cutter frame (33) is fixed in the heavy boring cutter frame groove (331), and the second guide block (31) and the third guide block (35) are arranged in the second guide groove (311) and the third guide groove (351) in a one-to-one correspondence manner.
9. The adjustable boring and rolling compound tool as claimed in claim 1 or 4, characterized in that the taper of the raceway outer taper surface (293) is the same as the taper of the roller outer taper surface (243).
10. The adjustable boring and rolling compound tool as set forth in claim 9, characterized in that the taper of the raceway outer tapered surface (293) and the taper of the roller outer tapered surface (243) are 1: 20.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111135357.7A CN113714812B (en) | 2021-09-27 | 2021-09-27 | Adjustable boring and rolling compound cutter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111135357.7A CN113714812B (en) | 2021-09-27 | 2021-09-27 | Adjustable boring and rolling compound cutter |
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| CN113714812B CN113714812B (en) | 2022-10-21 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114346274A (en) * | 2022-02-08 | 2022-04-15 | 山东莱芜煤矿机械有限公司 | Adjustable combined boring head |
| CN114633072A (en) * | 2022-04-01 | 2022-06-17 | 兖矿东华重工有限公司 | Hydraulic diameter-variable rolling head device |
| CN114669769A (en) * | 2022-05-26 | 2022-06-28 | 苏州卡罗伊精密刀具有限公司 | PCD precision boring cutter |
| CN116532911A (en) * | 2023-07-06 | 2023-08-04 | 太原理工大学 | Rolling machining device with variable rolling depth |
| CN116967788A (en) * | 2023-09-22 | 2023-10-31 | 北京理工大学 | Boring and rolling composite BTA deep hole machining tool and manufacturing method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2173250A1 (en) * | 1972-02-26 | 1973-10-05 | Hegenscheidt Kg Wilhelm | |
| CN2153430Y (en) * | 1993-04-17 | 1994-01-19 | 滕鑫荣 | High-efficient precision deep hole forming compound processing device |
| CN201201056Y (en) * | 2008-05-13 | 2009-03-04 | 山东法因数控机械股份有限公司 | Boring rolling compound tool |
| CN101628343A (en) * | 2009-07-29 | 2010-01-20 | 常州市西夏墅工具研究所有限公司 | Boring and rolling combined processing tool |
| US20110137452A1 (en) * | 2008-08-11 | 2011-06-09 | Barrie John Boyes | A universal tool mounting system for a machining centre |
| CN107378008A (en) * | 2017-07-30 | 2017-11-24 | 华南理工大学 | A kind of compound tool for finishing inner hole of cylinder |
| CN110091177A (en) * | 2019-05-20 | 2019-08-06 | 中国石油大学(华东) | A kind of BTA deep hole drilling rolling composite processing machine tool |
| WO2021020303A1 (en) * | 2019-07-30 | 2021-02-04 | 株式会社牧野フライス製作所 | Tool holder and machining method |
-
2021
- 2021-09-27 CN CN202111135357.7A patent/CN113714812B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2173250A1 (en) * | 1972-02-26 | 1973-10-05 | Hegenscheidt Kg Wilhelm | |
| CN2153430Y (en) * | 1993-04-17 | 1994-01-19 | 滕鑫荣 | High-efficient precision deep hole forming compound processing device |
| CN201201056Y (en) * | 2008-05-13 | 2009-03-04 | 山东法因数控机械股份有限公司 | Boring rolling compound tool |
| US20110137452A1 (en) * | 2008-08-11 | 2011-06-09 | Barrie John Boyes | A universal tool mounting system for a machining centre |
| CN101628343A (en) * | 2009-07-29 | 2010-01-20 | 常州市西夏墅工具研究所有限公司 | Boring and rolling combined processing tool |
| CN107378008A (en) * | 2017-07-30 | 2017-11-24 | 华南理工大学 | A kind of compound tool for finishing inner hole of cylinder |
| CN110091177A (en) * | 2019-05-20 | 2019-08-06 | 中国石油大学(华东) | A kind of BTA deep hole drilling rolling composite processing machine tool |
| WO2021020303A1 (en) * | 2019-07-30 | 2021-02-04 | 株式会社牧野フライス製作所 | Tool holder and machining method |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114346274A (en) * | 2022-02-08 | 2022-04-15 | 山东莱芜煤矿机械有限公司 | Adjustable combined boring head |
| CN114633072A (en) * | 2022-04-01 | 2022-06-17 | 兖矿东华重工有限公司 | Hydraulic diameter-variable rolling head device |
| CN114669769A (en) * | 2022-05-26 | 2022-06-28 | 苏州卡罗伊精密刀具有限公司 | PCD precision boring cutter |
| CN116532911A (en) * | 2023-07-06 | 2023-08-04 | 太原理工大学 | Rolling machining device with variable rolling depth |
| CN116532911B (en) * | 2023-07-06 | 2023-09-08 | 太原理工大学 | Rolling machining device with variable rolling depth |
| CN116967788A (en) * | 2023-09-22 | 2023-10-31 | 北京理工大学 | Boring and rolling composite BTA deep hole machining tool and manufacturing method |
| CN116967788B (en) * | 2023-09-22 | 2024-01-05 | 北京理工大学 | Boring and rolling composite BTA deep hole machining tool and manufacturing method |
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| Publication number | Publication date |
|---|---|
| CN113714812B (en) | 2022-10-21 |
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