CN113146143A - Crankshaft fillet rolling device - Google Patents

Crankshaft fillet rolling device Download PDF

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Publication number
CN113146143A
CN113146143A CN202110409715.2A CN202110409715A CN113146143A CN 113146143 A CN113146143 A CN 113146143A CN 202110409715 A CN202110409715 A CN 202110409715A CN 113146143 A CN113146143 A CN 113146143A
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China
Prior art keywords
guide wheel
rolling
housing
crankshaft
wheel
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CN202110409715.2A
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Chinese (zh)
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CN113146143B (en
Inventor
朱光明
丛建臣
常征
邵诗波
王回航
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Shandong University of Technology
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Shandong University of Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P9/00Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings; Features of such surfaces not otherwise provided for, their treatment being unspecified
    • B23P9/02Treating or finishing by applying pressure, e.g. knurling

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

The invention provides a crankshaft fillet rolling device, which relates to the technical field of crankshaft fillet rolling processes and comprises a rolling head shell, a guide wheel mechanism, a driving mechanism and a transmission mechanism; the guide wheel mechanism is connected with the inner wall of the rolling head shell in a sliding manner; the driving mechanism is used for driving the transmission mechanism to move along the surface of the inclined plane in a first direction so as to enable the transmission mechanism to drive the guide wheel mechanism to move in a second direction; the first direction is the direction of perpendicular crankshaft journal, and the second direction is guide wheel mechanism's direction of feed, and guide wheel mechanism feeds in with the direction that is on a parallel with the crankshaft journal promptly, utilizes guide wheel mechanism to carry out the fillet roll extrusion to the junction of the journal of bent axle and crank arm, has avoided the roll extrusion process to appear protrudingly on the journal, has alleviated the crankshaft fillet roll extrusion in-process that exists among the prior art, appears protrudingly on the crankshaft journal, leads to the unable use of bent axle, still needs to carry out secondary abrasive machining's technical problem to the crankshaft journal.

Description

Crankshaft fillet rolling device
Technical Field
The invention relates to the technical field of crankshaft fillet rolling processes, in particular to a crankshaft fillet rolling device.
Background
When the crankshaft is used, the crankshaft is mainly influenced by bending load and torsion load, the loads are alternating loads, and the alternating loads in the use process of the crankshaft can cause cracks on the surface of a fillet to cause fatigue failure at the position, so that the quality of the surface of the fillet at the joint of a journal and a crank arm needs to be improved to improve the fatigue strength; rolling the round corners of the crankshaft by using a round-head rolling wheel, forming textures on metal materials at the round corners under the action of pressure to obtain a work hardening effect, and introducing residual stress, so that the fatigue strength of the crankshaft is improved, and the surface quality of a rolling area is improved; the rolling wheel applies force to the crank shaft fillet, so that compressive stress is formed on the crank shaft fillet, and the fatigue strength of the crank shaft is improved.
As shown in fig. 1, in the prior art crankshaft fillet rolling process, the feeding direction of the rolling wheel is perpendicular to the crankshaft journal. However, when the rolling is performed in this way, the metal material at the fillet position is extruded by the rolling wheel and flows to the crankshaft journal, and is accumulated on the journal, so that an obvious protrusion appears on the crankshaft journal, and only after the crankshaft journal is ground again and the protrusion on the journal is removed, the crankshaft can be put into use.
Disclosure of Invention
The invention aims to provide a crankshaft fillet rolling device to solve the technical problems that in the prior art, in the fillet rolling process of a crankshaft, metal materials at fillet positions are extruded by a rolling wheel and flow to crankshaft journals, so that the crankshaft journals are bulged to cause the crankshaft to be unusable, and secondary grinding processing needs to be performed on the crankshaft journals.
The invention provides a crankshaft fillet rolling device, which comprises: the rolling head comprises a rolling head shell, a guide wheel mechanism, a driving mechanism and a transmission mechanism;
the guide wheel mechanism, the driving mechanism and the transmission mechanism are positioned on the rolling head shell, and the guide wheel mechanism is connected with the inner wall of the rolling head shell in a sliding manner;
the driving mechanism is in transmission connection with the transmission mechanism, the transmission mechanism is in butt joint with the guide wheel mechanism through an inclined plane, the driving mechanism is used for driving the transmission mechanism to move along the surface of the inclined plane in a first direction, so that the transmission mechanism drives the guide wheel mechanism to move in a second direction, and the second direction is perpendicular to the first direction.
In a preferred embodiment of the invention, the guide wheel mechanism comprises a guide wheel housing, a rolling assembly and a rolling wheel;
the guide wheel shell is positioned in the rolling head shell, the guide wheel shell is connected with the inner wall of the rolling head shell in a sliding mode, and the guide wheel shell is abutted to the transmission mechanism through an inclined plane;
one end of the rolling wheel and the rolling assembly are positioned in the guide wheel shell, the rolling wheel is in meshed transmission connection with the rolling assembly, and the other end of the rolling wheel extends out of the guide wheel shell so as to roll and form the crankshaft.
In a preferred embodiment of the present invention, the roll-on-pad assembly includes a thrust bearing and a rotating portion;
the thrust bearing is located between the rotating part and the inclined plane of the guide wheel shell, the thrust bearing is abutted against the rotating part, and the rotating part is in meshed transmission connection with the rolling wheels located in the guide wheel shell.
In a preferred embodiment of the present invention, the rotating part includes a guide wheel shaft, a guide wheel, a needle bearing, and a flange;
the guide wheel and the needle bearing are located in the guide wheel shell, one end of the guide wheel shaft penetrates through the guide wheel shell, the guide wheel shaft is fixed in the guide wheel shell through the flange plate, the thrust bearing and the needle bearing are arranged on the guide wheel shaft, the guide wheel is in transmission connection with the guide wheel shaft through the needle bearing, the thrust bearing is abutted to one side, close to the inclined plane of the guide wheel shell, of the guide wheel, and the guide wheel is in meshing connection with the rolling wheel.
In a preferred embodiment of the invention, the rolling wheel and the guide wheel are arranged in an inclined manner, so that the included angle between the rolling wheel and a journal of the crankshaft is less than or equal to 30 degrees.
In a preferred embodiment of the present invention, the transmission mechanism comprises a conical push block;
one end of the conical push block is connected with the driving mechanism, two guide wheel mechanisms are arranged, the two guide wheel mechanisms are symmetrically arranged relative to the conical push block, and the inclined surface of the guide wheel shell is matched and abutted with the inclined surface of the conical push block.
In a preferred embodiment of the invention, the drive mechanism comprises a hydraulic drive mechanism;
the fixed end of the hydraulic driving mechanism is connected with the rolling head shell, and the driving end of the hydraulic driving mechanism penetrates through the rolling head shell to be connected with the bottom surface of the conical push block.
In a preferred embodiment of the present invention, the rolling head housing is provided with an accommodating groove, a slide rail is disposed along an inner wall of the accommodating groove, and the guide wheel housing is provided with a sliding groove for cooperating with the slide rail.
In the preferred embodiment of the invention, the rolling clamp further comprises a rolling clamp body and a connecting mechanism;
the rolling clamp is characterized in that a positioning key is arranged on the rolling clamp body, a positioning groove matched with the positioning key is arranged on the rolling head shell, and the rolling head shell is connected with the rolling clamp body through the connecting mechanism.
In a preferred embodiment of the present invention, the connecting mechanism includes a pressing block and a fixing bolt;
the pressing block is positioned on one side, far away from the positioning groove, of the rolling head shell, the pressing block is abutted to the rolling clamp body and the rolling head shell respectively, and the fixing bolt penetrates through the pressing block to be connected with the rolling clamp body so as to fix the rolling head shell on the rolling clamp body through the pressing block.
The invention provides a crankshaft fillet rolling device, which comprises: the rolling head comprises a rolling head shell, a guide wheel mechanism, a driving mechanism and a transmission mechanism; the guide wheel mechanism, the driving mechanism and the transmission mechanism are positioned on the rolling head shell, and the guide wheel mechanism is connected with the inner wall of the rolling head shell in a sliding manner; the driving mechanism is in transmission connection with the transmission mechanism, the transmission mechanism is abutted against the guide wheel mechanism through an inclined plane, and the driving mechanism is used for driving the transmission mechanism to move along the surface of the inclined plane in a first direction so as to enable the transmission mechanism to drive the guide wheel mechanism to move in a second direction, and the second direction is perpendicular to the first direction; wherein the first direction is the direction of perpendicular bent axle journal, the second direction is guide pulley mechanism's direction of feed, guide pulley mechanism carries out the fillet roll extrusion with the direction that is on a parallel with the bent axle journal promptly, utilize guide pulley mechanism to carry out the fillet roll extrusion to the journal of bent axle and the junction of crank arm, it is protruding to have avoided the roll extrusion process to have appeared on the axle journal, the bent axle fillet roll extrusion in-process that exists among the prior art has been alleviated, the metal material of fillet position receives the rolling wheel extrusion can flow to the bent axle journal, lead to appearing protruding on the bent axle journal, lead to the unable use of bent axle, still need carry out secondary abrasive machining's technical problem to the bent axle journal.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram illustrating a prior art fillet rolling of a crankshaft;
FIG. 2 is a schematic overall structure diagram of a crankshaft fillet rolling device according to an embodiment of the present invention;
FIG. 3 is a schematic side view of a crankshaft fillet rolling device according to an embodiment of the present invention;
FIG. 4 is a schematic sectional view taken along the direction A-A of the crankshaft fillet rolling device provided in the embodiment of FIG. 3;
fig. 5 is a schematic structural diagram of a crankshaft fillet rolling device according to an embodiment of the present invention.
Icon: 100-a crankshaft; 200-rolling head shell; 300-a guide wheel mechanism; 301-stator housing; 302-a rolling assembly; 312-a thrust bearing; 322-a guide wheel shaft; 332-a guide wheel; 342-needle bearings; 352-flange plate; 303-rolling wheels; 400-a drive mechanism; 500-a transmission mechanism; 600-rolling the pincer body; 700-a connection mechanism; 701-a compaction block; 702-fixing bolts.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. 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.
As shown in fig. 2 to 5, the present embodiment provides a crankshaft fillet rolling device, including: rolling head housing 200, guide wheel mechanism 300, drive mechanism 400 and transmission mechanism 500; the guide wheel mechanism 300, the driving mechanism 400 and the transmission mechanism 500 are positioned on the rolling head shell 200, and the guide wheel mechanism 300 is connected with the inner wall of the rolling head shell 200 in a sliding manner; drive mechanism 400 is connected with drive mechanism 500 in a transmission manner, and drive mechanism 500 and idler wheel mechanism 300 are in butt joint through the inclined plane, and drive mechanism 400 is used for driving drive mechanism 500 to move along the surface of inclined plane with first direction to make drive mechanism 500 drive idler wheel mechanism 300 to move with the second direction, and the second direction is perpendicular to the first direction.
It should be noted that the crankshaft fillet rolling device provided in this embodiment can perform fillet rolling on the joint of the journal and the crank arm of the crankshaft 100, wherein the crank arm is located at the end of the journal, the crank arm is in a convex structure relative to the journal, the rolling wheel 303 is arranged on the guide wheel mechanism 300, the driving mechanism 400 drives the transmission mechanism 500 to reciprocate in the direction perpendicular to the journal, the transmission mechanism 500 drives the guide wheel mechanism 300 to move in the direction parallel to the journal by using the inclined surface, that is, the feeding direction of the guide wheel mechanism 300 is perpendicular to the crank arm, when the rolling wheel 303 on the guide wheel mechanism 300 performs fillet rolling on the joint of the journal and the crank arm of the crankshaft 100, the metal in the pressed region flows to one side of the crank arm, a protrusion is generated on the crank arm, the journal is not affected, the generation of the protrusion at the journal position is avoided, and the secondary construction on the crankshaft 100 is reduced, the processing cost is saved.
The crankshaft fillet rolling device that this embodiment provided includes: rolling head housing 200, guide wheel mechanism 300, drive mechanism 400 and transmission mechanism 500; the guide wheel mechanism 300, the driving mechanism 400 and the transmission mechanism 500 are positioned on the rolling head shell 200, and the guide wheel mechanism 300 is connected with the inner wall of the rolling head shell 200 in a sliding manner; the driving mechanism 400 is in transmission connection with the transmission mechanism 500, the transmission mechanism 500 is in butt joint with the guide wheel mechanism 300 through an inclined plane, and the driving mechanism 400 is used for driving the transmission mechanism 500 to move along the surface of the inclined plane in a first direction so that the transmission mechanism 500 drives the guide wheel mechanism 300 to move in a second direction, wherein the second direction is perpendicular to the first direction; the first direction is a direction perpendicular to the journal of the crankshaft 100, and the second direction is a feeding direction of the guide wheel mechanism 300, namely the guide wheel mechanism 300 feeds in a direction parallel to the journal of the crankshaft 100, and the guide wheel mechanism 300 is used for performing fillet rolling on the joint of the journal of the crankshaft 100 and a crank arm, so that a protrusion on the journal in the rolling process is avoided, and the technical problems that in the fillet rolling process of the crankshaft 100 in the prior art, metal materials at fillet positions are extruded by the rolling wheels 303 and flow to the journal of the crankshaft 100, the protrusion occurs on the journal of the crankshaft 100, the crankshaft 100 cannot be used, and secondary grinding processing needs to be performed on the journal of the crankshaft 100 are solved.
Based on the above embodiments, further, in the preferred embodiment of the present invention, idler mechanism 300 includes an idler housing 301, a stitching assembly 302, and a stitching wheel 303; the guide wheel housing 301 is positioned in the rolling head housing 200, the guide wheel housing 301 is connected with the inner wall of the rolling head housing 200 in a sliding manner, and the guide wheel housing 301 is abutted to the transmission mechanism 500 through an inclined surface; one end of the rolling wheel 303 and the rolling assembly 302 are positioned in the guide wheel housing 301, the rolling wheel 303 is in meshed transmission connection with the rolling assembly 302, and the other end of the rolling wheel 303 extends out of the guide wheel housing 301 to roll-form the crankshaft 100.
In this embodiment, the guide wheel housing 301 serves as a housing for the rolling assembly 302 and the rolling wheel 303, one end of the rolling wheel 303 is located in the guide wheel housing 301, the rolling wheel 303 is in transmission connection with the rolling assembly 302, and the rolling assembly 302 can drive the rolling wheel 303 to rotate; one side of the guide wheel housing 301, which is far away from the rolling wheel 303, is provided with an inclined surface, the transmission mechanism 500 abuts against the guide wheel housing 301 by using the inclined surface, and when the transmission mechanism 500 presses the guide wheel housing 301 by using the inclined surface to move towards one side of the rolling wheel 303, the rolling wheel 303 can roll the crankshaft 100 in a fillet manner; when the transmission mechanism 500 retracts, the rolling wheel 303 drives the guide wheel housing 301 to retract to the original position under the action of the crankshaft 100.
In the preferred embodiment of the present invention, the roll-down assembly 302 includes a thrust bearing 312 and a rotating portion; thrust bearing 312 is located between the inclined plane of rotation portion and stator casing 301, and thrust bearing 312 and rotation portion butt, and rotation portion and the rolling wheel 303 meshing transmission that is located stator casing 301 are connected for guaranteeing that rolling wheel 303 can realize the rotation.
In the preferred embodiment of the present invention, the rotating portion includes a guide pulley shaft 322, a guide pulley 332, a needle bearing 342, and a flange 352; the guide wheel 332 and the needle bearing 342 are positioned in the guide wheel housing 301, one end of the guide wheel shaft 322 penetrates through the guide wheel housing 301, the guide wheel shaft 322 is fixed in the guide wheel housing 301 through a flange 352, the thrust bearing 312 and the needle bearing 342 are arranged on the guide wheel shaft 322, the guide wheel 332 is in transmission connection with the guide wheel shaft 322 through the needle bearing 342, the thrust bearing 312 is abutted against one side, close to the inclined plane of the guide wheel housing 301, of the guide wheel 332, and the guide wheel 332 is in meshing connection with the rolling wheel 303.
In this embodiment, the guide wheel shaft 322 is used as a rotation output of the rolling wheel 303, the guide wheel shaft 322 is fixed in the guide wheel housing 301 by using a flange 352, and the needle bearing 342 and the thrust bearing 312 are respectively connected with the guide wheel shaft 322, wherein the guide wheel 332 is sleeved outside the needle bearing 342, the thrust bearing 312 is abutted against the side wall of the guide wheel 332, the guide wheel 332 and the rolling wheel 303 are in mutual meshing transmission, the rolling wheel 303 is rotatably connected with the guide wheel housing 301, and when the guide wheel shaft 322 rotates, the rolling wheel 303 is synchronously driven to rotate by using the guide wheel 332; when the transmission mechanism 500 presses the stator housing 301 by using the inclined surface, the thrust bearing 312 transmits the pressing force of the stator 332 and the rolling wheel 303 to the crankshaft 100; likewise, when the transmission 500 is returning, the roller 303 transmits the retracting pressing force to the roller housing 301 by means of the guide roller 332 and the thrust bearing 312.
In the preferred embodiment of the present invention, the rolling wheel 303 and the guide wheel 332 are disposed in an inclined manner such that the angle between the rolling wheel 303 and the journal of the crankshaft 100 is less than or equal to 30 °.
Preferably, the included angle between the rolling wheel 303 and the journal of the crankshaft 100 is 30 °, when the rolling wheel 303 acts between the journal and the crank arm of the crankshaft 100 at a smaller angle, the position of the rolling wheel 303 for rolling the fillet of the crankshaft 100 is close to the crank arm, and the position of the journal of the crankshaft 100 is more gentle at this time, so that the use of the crankshaft 100 can be better ensured; it should be noted that the included angle range between the rolling wheel 303 and the journal of the crankshaft 100 is required to ensure that fillet rolling is formed at both the journal and the crank arm positions of the crankshaft 100, and this is not limited herein.
In the preferred embodiment of the present invention, the transmission mechanism 500 includes a tapered push block; one end and the actuating mechanism 400 of toper ejector pad are connected, and guide wheel mechanism 300 is provided with two, and two guide wheel mechanisms 300 are symmetrical arrangement for the toper ejector pad, and the inclined plane of guide wheel casing 301 cooperates the butt with the inclined plane of toper ejector pad.
In a preferred embodiment of the present invention, the driving mechanism 400 includes a hydraulic driving mechanism 400; the fixed end of the hydraulic driving mechanism 400 is connected with the rolling head shell 200, and the driving end of the hydraulic driving mechanism 400 penetrates through the rolling head shell 200 and is connected with the bottom surface of the conical push block.
In this embodiment, the transmission mechanism 500 employs a tapered push block, that is, the tapered push block has a bottom surface with a large area, and is connected to the hydraulic driving mechanism 400, that is, an inclined surface between the two guide wheel mechanisms 300 is in an inverted cone shape, when the hydraulic driving mechanism 400 drives the tapered push block to extend, the two guide wheel mechanisms 300 move along a direction away from each other, and when the hydraulic driving mechanism 400 drives the tapered push block to retract, the two guide wheel mechanisms 300 move along a direction close to each other; the hydraulic driving mechanism 400 may adopt a hydraulic cylinder and a hydraulic oil pipe, and the conical push block is driven to reciprocate in the vertical direction by the hydraulic driving effect, which is not described herein again.
In a preferred embodiment of the present invention, the rolling head housing 200 is provided with a receiving groove, a slide rail is disposed along an inner wall of the receiving groove, and the guide wheel housing 301 is provided with a sliding groove for engaging with the slide rail.
Alternatively, the slide rail on the inner wall of the accommodating groove may be a T-shaped slide rail, the slide groove is also a T-shaped slide groove, the guide wheel housing 301 can be clamped inside the rolling head housing 200 by the cooperation of the slide rail and the slide groove, and when the transmission mechanism 500 presses the guide wheel housing 301, the guide wheel housing 301 can move along a path defined by the slide rail and the slide groove.
In the preferred embodiment of the present invention, the rolling pincer body 600 and the connecting mechanism 700 are further included; the rolling clamp body 600 is provided with a positioning key, the rolling head shell 200 is provided with a positioning groove matched with the positioning key, and the rolling head shell 200 is connected with the rolling clamp body 600 through the connecting mechanism 700.
In the preferred embodiment of the present invention, the connection mechanism 700 includes a pressing block 701 and a fixing bolt 702; the pressing block 701 is located on one side, far away from the positioning groove, of the rolling head shell 200, the pressing block 701 is abutted to the rolling clamp body 600 and the rolling head shell 200 respectively, and the fixing bolt 702 is connected with the rolling clamp body 600 through penetrating through the pressing block 701 so as to fix the rolling head shell 200 on the rolling clamp body 600 through the pressing block 701.
In this embodiment, the rolling head housing 200 is fixed to the rolling clamp body 600 by using a positioning key and a pressing block 701 on the rolling clamp body 600 and a fixing bolt 702, the rolling wheel 303 is arranged at a round angle of the crankshaft 100, a hydraulic cylinder is started to push a hydraulic push rod to move downwards, the hydraulic push rod pushes a conical push block to move downwards, the conical push block moves downwards to move two guide wheel housings 301 along a horizontal direction, the guide wheel housings 301 drive the rolling wheel 303 to move along the horizontal direction, and the two rolling wheels 303 tightly push crank arms on two sides of the crankshaft 100; and (3) starting the machine tool, driving the crankshaft 100 to rotate, applying force to the rolling wheel 303 along the horizontal direction to roll the fillet position, and enabling the metal in the pressed area to flow to one side of the crank arm to generate a bulge on the crank arm without influencing the journal.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1.一种曲轴圆角滚压装置,其特征在于,包括:滚压头壳体、导轮机构、驱动机构和传动机构;1. A crankshaft fillet rolling device, characterized in that, comprising: a rolling head housing, a guide wheel mechanism, a driving mechanism and a transmission mechanism; 所述导轮机构、驱动机构和传动机构位于所述滚压头壳体上,所述导轮机构与所述滚压头壳体的内壁滑动连接;The guide wheel mechanism, the drive mechanism and the transmission mechanism are located on the rolling head housing, and the guide wheel mechanism is slidably connected with the inner wall of the rolling head housing; 所述驱动机构与所述传动机构传动连接,所述传动机构与所述导轮机构之间通过斜面抵接,所述驱动机构用于带动所述传动机构以第一方向沿着所述斜面的表面移动,以使所述传动机构带动所述导轮机构以第二方向移动,所述第二方向与所述第一方向呈垂直设置。The driving mechanism is connected to the transmission mechanism in a driving manner, the transmission mechanism and the guide wheel mechanism are in contact with each other through an inclined plane, and the driving mechanism is used to drive the transmission mechanism along the slope of the inclined plane in the first direction. The surface moves, so that the transmission mechanism drives the guide wheel mechanism to move in a second direction, and the second direction is perpendicular to the first direction. 2.根据权利要求1所述的曲轴圆角滚压装置,其特征在于,所述导轮机构包括导轮壳体、滚压组件和滚压轮;2. The crankshaft fillet rolling device according to claim 1, wherein the guide wheel mechanism comprises a guide wheel housing, a rolling assembly and a rolling wheel; 所述导轮壳体位于所述滚压头壳体内,且所述导轮壳体与所述滚压头壳体的内壁滑动连接,所述导轮壳体和所述传动机构通过斜面抵接;The guide wheel housing is located in the rolling head housing, and the guide wheel housing is slidably connected with the inner wall of the rolling head housing, and the guide wheel housing and the transmission mechanism are in contact with each other through the inclined surface ; 所述滚压轮的一端和所述滚压组件位于所述导轮壳体内,所述滚压轮与所述滚压组件啮合传动连接,且所述滚压轮的另一端伸出所述导轮壳体,以对曲轴进行滚压成型。One end of the rolling wheel and the rolling assembly are located in the guide wheel housing, the rolling wheel and the rolling assembly are in meshing transmission connection, and the other end of the rolling wheel protrudes out of the guide wheel Wheel housing to roll-form the crankshaft. 3.根据权利要求2所述的曲轴圆角滚压装置,其特征在于,所述滚压组件包括推力轴承和转动部;3. The crankshaft fillet rolling device according to claim 2, wherein the rolling assembly comprises a thrust bearing and a rotating part; 所述推力轴承位于所述转动部和所述导轮壳体的斜面之间,所述推力轴承与所述转动部抵接,所述转动部与位于所述导轮壳体内的所述滚压轮啮合传动连接。The thrust bearing is located between the rotating part and the inclined surface of the guide wheel housing, the thrust bearing is in contact with the rotating part, and the rotating part is in contact with the rolling part located in the guide wheel housing. Wheel mesh drive connection. 4.根据权利要求3所述的曲轴圆角滚压装置,其特征在于,所述转动部包括导轮轴、导轮、滚针轴承和法兰盘;4. The crankshaft fillet rolling device according to claim 3, wherein the rotating part comprises a guide wheel shaft, a guide wheel, a needle bearing and a flange; 所述导轮和所述滚针轴承位于所述导轮壳体内,且所述导轮轴的一端贯穿所述导轮壳体,且所述导轮轴通过所述法兰盘固定于所述导轮壳体内,所述推力轴承和所述滚针轴承设置于所述导轮轴上,且所述导轮通过所述滚针轴承与所述导轮轴传动连接,所述推力轴承与所述导轮靠近所述导轮壳体的斜面的一侧抵接,所述导轮与所述滚压轮啮合连接。The guide wheel and the needle bearing are located in the guide wheel housing, one end of the guide wheel shaft penetrates the guide wheel housing, and the guide wheel shaft is fixed to the guide wheel through the flange plate In the housing, the thrust bearing and the needle bearing are arranged on the guide wheel shaft, and the guide wheel is connected to the guide wheel shaft through the needle roller bearing, and the thrust bearing is close to the guide wheel One side of the inclined surface of the guide wheel housing abuts, and the guide wheel is engaged with the rolling wheel. 5.根据权利要求4所述的曲轴圆角滚压装置,其特征在于,所述滚压轮与所述导轮呈倾斜设置,以使所述滚压轮与所述曲轴的轴颈的夹角小于或等于30°。5 . The crankshaft fillet rolling device according to claim 4 , wherein the rolling wheel and the guide wheel are arranged obliquely, so that the rolling wheel and the journal of the crankshaft are clamped. 6 . The angle is less than or equal to 30°. 6.根据权利要求2所述的曲轴圆角滚压装置,其特征在于,所述传动机构包括锥形推块;6. The crankshaft fillet rolling device according to claim 2, wherein the transmission mechanism comprises a conical push block; 所述锥形推块的一端与所述驱动机构连接,所述导轮机构设置有两个,两个所述导轮机构相对于所述锥形推块呈对称布置,且所述导轮壳体的斜面与所述锥形推块的斜面配合抵接。One end of the tapered push block is connected to the drive mechanism, two guide wheel mechanisms are provided, and the two guide wheel mechanisms are symmetrically arranged relative to the tapered push block, and the guide wheel housing The inclined surface of the body is matched and abutted with the inclined surface of the conical push block. 7.根据权利要求6所述的曲轴圆角滚压装置,其特征在于,所述驱动机构包括液压驱动机构;7. The crankshaft fillet rolling device according to claim 6, wherein the drive mechanism comprises a hydraulic drive mechanism; 所述液压驱动机构的固定端与所述滚压头壳体连接,所述液压驱动机构的驱动端贯穿所述滚压头壳体与所述锥形推块的底面连接。The fixed end of the hydraulic driving mechanism is connected with the rolling head housing, and the driving end of the hydraulic driving mechanism penetrates the rolling head housing and is connected with the bottom surface of the conical push block. 8.根据权利要求2-7任一项所述的曲轴圆角滚压装置,其特征在于,所述滚压头壳体设置有容置槽,沿着所述容置槽的内壁设置有滑轨,所述导轮壳体上设置有用于与所述滑轨配合的滑槽。8. The crankshaft fillet rolling device according to any one of claims 2-7, wherein the rolling head housing is provided with an accommodating groove, and along the inner wall of the accommodating groove is provided with a sliding The guide wheel housing is provided with a chute for matching with the slide rail. 9.根据权利要求8所述的曲轴圆角滚压装置,其特征在于,还包括滚压钳体和连接机构;9 . The crankshaft fillet rolling device according to claim 8 , further comprising a rolling pincer body and a connecting mechanism; 9 . 所述滚压钳体上设置有定位键,所述滚压头壳体上设置有与所述定位键配合的定位槽,所述滚压头壳体通过所述连接机构与所述滚压钳体连接。The rolling pincer body is provided with a positioning key, the rolling head housing is provided with a positioning groove matched with the positioning key, and the rolling head housing is connected to the rolling pincer through the connecting mechanism. body connection. 10.根据权利要求9所述的曲轴圆角滚压装置,其特征在于,所述连接机构包括压紧块和固定螺栓;10. The crankshaft fillet rolling device according to claim 9, wherein the connecting mechanism comprises a pressing block and a fixing bolt; 所述压紧块位于所述滚压头壳体远离所述定位槽的一侧,所述压紧块分别与所述滚压钳体和所述滚压头壳体抵接,所述固定螺栓通过贯穿所述压紧块与所述滚压钳体连接,以通过所述压紧块将所述滚压头壳体固定于所述滚压钳体上。The pressing block is located on the side of the rolling head housing away from the positioning groove, the pressing block is in contact with the rolling tong body and the rolling head housing respectively, and the fixing bolt Connecting with the rolling tong body through the pressing block, so that the rolling head housing is fixed on the rolling tong body through the pressing block.
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GB1269733A (en) * 1968-07-04 1972-04-06 Kobe Steel Ltd Device for rolling fillet portions of shafts
JP2003025221A (en) * 2001-07-23 2003-01-29 Nissan Motor Co Ltd Roll cassette device for fillet rolling machining
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CN202763384U (en) * 2012-08-16 2013-03-06 江苏沃得机电集团有限公司 Single cylinder crankshaft rolling machine tool
CN104148878A (en) * 2014-08-08 2014-11-19 滨州海得曲轴有限责任公司 Crankshaft swinging and rolling device
CN204603697U (en) * 2015-06-03 2015-09-02 宋猛 A kind of bent axle strengthening rolling device
WO2018099403A1 (en) * 2016-11-29 2018-06-07 上海泛华紧固系统有限公司 Method and apparatus for stock rolling feeding, diameter reduction, alignment and derusting and product thereof
CN215146374U (en) * 2021-04-15 2021-12-14 山东理工大学 Crankshaft fillet rolling device

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1269733A (en) * 1968-07-04 1972-04-06 Kobe Steel Ltd Device for rolling fillet portions of shafts
JP2003025221A (en) * 2001-07-23 2003-01-29 Nissan Motor Co Ltd Roll cassette device for fillet rolling machining
JP2005288670A (en) * 2004-04-06 2005-10-20 Nissan Motor Co Ltd Fillet rolling machining device
WO2009065398A1 (en) * 2007-11-24 2009-05-28 Hegenscheidt-Mfd Gmbh & Co. Kg Device for introducing a deep-rolling force into a linear deep-rolling tool
CN102825419A (en) * 2012-08-06 2012-12-19 青海第二机床制造有限责任公司 Rolling head of crankshaft fillet rolling machine tool
CN202763384U (en) * 2012-08-16 2013-03-06 江苏沃得机电集团有限公司 Single cylinder crankshaft rolling machine tool
CN104148878A (en) * 2014-08-08 2014-11-19 滨州海得曲轴有限责任公司 Crankshaft swinging and rolling device
CN204603697U (en) * 2015-06-03 2015-09-02 宋猛 A kind of bent axle strengthening rolling device
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CN215146374U (en) * 2021-04-15 2021-12-14 山东理工大学 Crankshaft fillet rolling device

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