CN114226816A

CN114226816A - Wheel rim milling machine

Info

Publication number: CN114226816A
Application number: CN202111419687.9A
Authority: CN
Inventors: 朱正元; 李文彩; 黄武林; 陈超
Original assignee: Zhejiang Jinhua Jinchuang Intelligent Manufacturing Research Institute Co ltd; Zhejiang Jinfei Machinery Co ltd
Current assignee: Zhejiang Jinhua Jinchuang Intelligent Manufacturing Research Institute Co ltd; Zhejiang Jinfei Machinery Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-03-25
Anticipated expiration: 2041-11-26
Also published as: CN114226816B

Abstract

The invention relates to a rim milling machine, which belongs to the technical field of rim production and comprises a machine table, wherein a clamp is arranged on the machine table, the clamp is connected with a rotating assembly so as to enable a rim workpiece to rotate in an autorotation and reciprocating rotation mode for a certain angle, a detection assembly is arranged on the machine table, a milling assembly is arranged above the clamp and comprises a first cutter and a second cutter, when the rim workpiece is horizontally clamped on the clamp, the first cutter and the second cutter are distributed at intervals along the radial direction of the rim workpiece, the first cutter and the second cutter are respectively connected with a group of lifting assemblies to achieve vertical lifting, and the first cutter and the second cutter are respectively connected with a group of translation assemblies to achieve horizontal movement. The milling device has the advantages that the milling of the inner and outer ring nodes of the ring workpiece can be realized only by once clamping, the production efficiency can be obviously improved, the labor capacity of workers is reduced, and the like.

Description

Wheel rim milling machine

Technical Field

The invention relates to a rim milling machine, and belongs to the technical field of rim production.

Background

The rim of current bicycle and part motorcycle forms through flash butt welding after being curled round by the aluminium alloy usually, and the welding node all can be produced to the interior outer lane profile face of welding back rim, consequently, need mill the level fast with the produced welding node after the welding of rim work piece shaping, provides the guarantee for the subsequent handling. The prior Chinese patent No. 201410681034.1, named as the rim weld seam milling device, comprises a frame; the milling cutter is mounted on the frame and used for milling the welding seam of the rim; the clamp assembly is arranged on the frame and used for fixing the wheel rim; the fixture assembly comprises an upper positioning fixture and a lower positioning fixture, wherein the lower positioning fixture is provided with a positioning groove, so that the wheel rim is clamped in the positioning groove, the upper positioning fixture compresses the side wall surface of the wheel rim, and the fixture assembly has the beneficial effects that welding seams on the outer side wall surface and the inner side wall surface of the wheel rim are milled by a special wheel rim welding seam milling device, so that the production efficiency is improved, the labor intensity of workers is reduced, and the production environment is improved. It also has the following disadvantages: the node of the inner ring or the outer ring of the wheel ring workpiece can only be milled by one-time clamping, and the node of the inner ring or the outer ring of the wheel ring workpiece can only be milled by two-time clamping, so that the production efficiency is greatly reduced, and the labor capacity of workers is increased.

Disclosure of Invention

The invention aims to provide a rim milling machine, which solves the problems that in the prior art, only nodes of an inner ring or an outer ring of a rim workpiece can be milled by one-time clamping, and the nodes of the inner ring and the outer ring of the rim workpiece can be milled only by two-time clamping, so that the production efficiency is greatly reduced, the labor capacity of workers is increased, and the like.

The technical purpose of the invention is mainly solved by the following technical scheme: a rim milling machine comprises a machine table, wherein a clamp used for clamping a rim workpiece from one side of an inner ring of the rim workpiece is arranged on the machine table, the clamp is connected with a rotating assembly so as to enable the rim workpiece to rotate in an autorotation and reciprocating rotation by a certain angle, a detection assembly which is located on the transverse outer side of the clamp and used for detecting the node position of the rim workpiece is arranged on the machine table, a milling assembly is arranged above the clamp and comprises a first cutter and a second cutter which are respectively used for milling the nodes of the inner ring and the outer ring of the rim workpiece and can rotate in an autorotation mode, when the rim workpiece is horizontally clamped on the clamp, the first cutter and the second cutter are distributed at intervals along the radial direction of the rim workpiece, the first cutter and the second cutter are respectively connected with a group of lifting assemblies to achieve vertical lifting, and the first cutter and the second cutter are also respectively connected with a group of translation assemblies to achieve horizontal movement, the first cutter and the second cutter move horizontally in the same direction and are overlapped with the radial direction of the rim workpiece.

When the device is used, a rim workpiece is horizontally clamped on a clamp, the inner ring of the rim workpiece is fixed by the action of the clamp on the inner ring of the rim workpiece, the node position on the rim workpiece is far away from the action point of the clamp on the rim workpiece, then the position of the node on the rim workpiece is detected by a detection assembly, the detected position information is fed back to a control system to control a rotating assembly to drive the rim workpiece to rotate by the clamp, the node position on the rim workpiece is accurately rotated between a first cutter and a second cutter, the node position is positioned on a moving path of the horizontal movement of the first cutter and the second cutter, then the first cutter is driven to horizontally move to the position right above the center position of the rim workpiece by a translation assembly, the first cutter is driven to downwards move to the inner side of the rim workpiece by a lifting assembly, and the first cutter is positioned at the height corresponding to the inner ring of the rim workpiece, then the first cutter is driven to move to the node position of the inner ring of the wheel rim workpiece by the translation assembly, the node of the inner ring of the wheel rim workpiece is milled by the rotation of the first cutter, the wheel rim workpiece is driven to rotate in a reciprocating manner by a certain angle through the rotation assembly in the milling process, the rotating angle is +/-3 degrees, so that the node of the inner ring of the wheel rim workpiece is milled, the milled part is in smooth transition with the original arc surface of the wheel rim workpiece, the residual welding scars and the generation of burrs are avoided, the first cutter is reset after the milling is finished, then the second cutter is driven to move downwards to the outer side of the wheel rim workpiece by the lifting assembly, the second cutter is positioned at the height corresponding to the outer ring of the wheel rim workpiece, the second cutter is driven to move to the node position of the outer ring of the wheel rim workpiece by the translation assembly, the node of the outer ring of the wheel rim workpiece is milled by the rotation of the second cutter, and the wheel rim workpiece is driven to rotate in a reciprocating manner by a certain angle through the rotation assembly in the milling process, the rotation angle is +/-3 degrees, so that the milling of the outer ring nodes of the ring workpiece is completed, the milling of the inner ring nodes and the outer ring nodes of the ring workpiece can be realized only by one-time clamping, the production efficiency can be obviously improved, and the labor amount of workers is reduced.

Preferably, the detection assembly comprises a detection element positioned on the radial outer side of the rim workpiece, the detection assembly further comprises a detection seat fixed on the machine table, the detection seat is fixed on the machine table and vertically extends upwards, and the detection element is movably supported on the detection seat in a vertically lifting manner.

The detection component is internally provided with a detection element positioned at the radial outer side of the rim workpiece, the detection element is a laser range finder, the detection component also comprises a detection seat fixed on the machine table, the detection seat is fixed on the machine table and vertically extends upwards, the detection element can be movably supported on the detection seat in a way of lifting up and down, because the node is higher than the outer diameter of the normal rim workpiece, the position of the node of the outer ring of the rim workpiece can be accurately detected by measuring the change of the distance of the outer ring of the rim workpiece by the laser distance measuring instrument, because the positions of the nodes of the inner ring and the outer ring of the rim workpiece are the same, the positions of the nodes of the inner ring of the rim workpiece can be obtained at the same time, so as to accurately rotate the node positions to positions corresponding to the first cutter and the second cutter, so that the first cutter and the second cutter can accurately and quickly remove the nodes of the inner ring and the outer ring of the rim workpiece, and the detection element can be lifted up and down, so that the height position of the detection element can be adjusted to adapt to different types of rim workpieces.

Preferably, swing joint has the panel that is the L form on the detection seat, detecting element by fixed support in the panel bottom, the panel with movable mode fixed support in be close to on the detection seat one side of anchor clamps, it is equipped with two vertical upwards extending bar grooves to link up on the detection seat, two the bar groove sets up along the horizontal direction interval, two the bar inslot is worn to be equipped with respectively and is run through the screw of panel side, screw tip threaded connection has the nut.

Through swing joint has the panel that is the L form on detecting the seat, detecting element is by fixed stay in the panel bottom, the panel is close to one side of anchor clamps with movable mode fixed stay on detecting the seat, it is equipped with two vertical bar grooves that upwards extend to link up on the seat to detect, two bar grooves set up along the horizontal direction interval, two bar inslots wear to be equipped with the screw that runs through the panel side respectively, screw tip threaded connection has the nut, make operating personnel can slide from top to bottom along the bar groove through the unscrewed nut so that the screw, thereby can drive detecting element oscilaltion through the panel, in order to realize the adjustment to detecting element height position.

Preferably, the clamp is a three-jaw chuck, the center of the clamp coincides with the center of the rim workpiece, and the clamp is indirectly or directly rotatably supported on the machine table.

Through setting up anchor clamps into three-jaw chuck, the center of anchor clamps and the center coincidence of wheel rim work piece, anchor clamps are supported on the board by indirect or direct rotation for when needing to drive the rotation of wheel rim work piece through anchor clamps, can make the cutter that is located wheel rim work piece inboard remove to the central point of wheel rim work piece and put, can realize stepping down to anchor clamps, need not to make the cutter shift out from wheel rim work piece inboard.

Preferably, the fixture at least comprises three movable clamping jaws detachably fixed at the top of the fixture, the movable clamping jaws are distributed in a circular array in the center of the fixture, the movable clamping jaws can horizontally move along the radial direction of the fixture, and positioning grooves matched with the contour of the inner ring of the rim workpiece are formed in the outer ends of the movable clamping jaws.

Through being equipped with the movable jack catch that three detachably is fixed in the anchor clamps top in at least, three movable jack catch is circular array distribution with the center of anchor clamps, three movable jack catch can carry out horizontal migration along the radial of anchor clamps, the outer end of three movable jack catch all is formed with the constant head tank with the inner circle profile looks adaptation of wheel rim work piece, make when placing wheel rim work piece level in the three movable jack catch outside, can carry out horizontal migration along the radial of anchor clamps through making three movable jack catch, and realize the stable clamping to the wheel rim work piece through the cooperation between constant head tank and the wheel rim work piece inner circle, the change can be dismantled to the movable jack catch in addition, carry out the clamping to the wheel rim work piece of different models in order to adapt to.

Preferably, the rotating assembly includes a hollow speed reducer fixed to the machine platform, the clamp is fixed to an output end of the hollow speed reducer, an input end of the hollow speed reducer is fixedly connected to a first motor, and the first motor is fixedly supported below the machine platform.

Through be equipped with the cavity speed reducer that is fixed in on the board in rotating assembly, anchor clamps are fixed in the output of cavity speed reducer, the input rigid coupling of cavity speed reducer has first motor, first motor is by fixed stay in the board below, make first motor during operation can drive the anchor clamps rotation through cavity speed reducer, thereby drive the wheel rim work piece rotation of clamping, so that the node position can rotate to the position corresponding with first cutter and second cutter, and can be at the reciprocal certain angle of rotation of the in-process drive wheel rim work piece that mills, so that fully mill the node on the wheel rim work piece, and make mill department and the original arc surface rounding off of wheel rim work piece, avoid remaining the crater and produce the burr.

Preferably, every group the lifting unit all includes the riser of vertical extension, but riser front side oscilaltion ground sliding connection has the mounting panel, it by fixed support in the mounting panel front end to mill the subassembly, the riser forms front end opening and open-top's lift groove, the vertical extension in lift groove, the riser upper end is fixed with the sharp driver, the output of sharp driver is followed the vertical downwardly extending of open-top in lift groove extremely lift inslot portion, the lift inslot is equipped with the seat that feeds that is the T type, the main aspects that feeds the seat are followed the front end opening in lift groove stretches out and extends to the mounting panel front end rather than forming fixed connection, feed the tip of seat with the output rigid coupling of sharp driver.

The vertical plates which extend vertically are arranged in each group of lifting components, the front sides of the vertical plates are connected with a mounting plate in a sliding manner and can lift up and down, the milling components are fixedly supported at the front end of the mounting plate, the vertical plates form a lifting groove with a front opening and a top opening, the lifting groove extends vertically, a linear driver is fixed at the upper end of each vertical plate, the output end of the linear driver vertically extends downwards from the top opening of the lifting groove to the inside of the lifting groove, a T-shaped feeding seat is arranged in the lifting groove, the large end of the feeding seat extends out from the front opening of the lifting groove and extends to the front end of the mounting plate to form a fixed connection with the front opening of the lifting groove, and the small end of the feeding seat is fixedly connected with the output end of the linear driver, so that the mounting plate can be driven to lift up and down by the feeding seat when the linear driver works, and meanwhile, the feeding seat ascends and descends along the lifting groove, so that the first cutter and the second cutter in the milling assembly can be driven to ascend and descend.

Preferably, the milling assembly further comprises a second motor fixed above the front end of the mounting plate, an output shaft of the second motor extends vertically downwards, and the first cutter and the second cutter are respectively fixed at output ends corresponding to the second motor.

Through still being equipped with the second motor that is fixed in mounting panel front end top in milling the subassembly, the vertical downwardly extending of output shaft of second motor, first cutter and second cutter are fixed in the output that corresponds the second motor respectively for first cutter and second cutter can be at the rotation under the drive that corresponds the second motor, so that mill the interior outer lane node of wheel circle work piece.

Preferably, a first guide rail sliding block assembly of a vertical setting is arranged between the front end of the vertical plate and the rear end of the mounting plate, a guide rail in the first guide rail sliding block assembly vertically extends and is fixed at the front end of the vertical plate, a sliding block in the first guide rail sliding block assembly is fixed at the rear end of the mounting plate, a limiting seat extending forwards horizontally is fixed at the bottom of the front end of the vertical plate, and the limiting seat can be abutted against the bottom end of the mounting plate.

Through the first guide rail sliding block assembly who is equipped with vertical setting between riser front end and mounting panel rear end, the vertical extension of guide rail in the first guide rail sliding block assembly is fixed in the riser front end, slider in the first guide rail sliding block assembly is fixed in the mounting panel rear end, riser front end bottom is fixed with the spacing seat that the level extends forward, spacing seat can with the bottom butt of mounting panel, make can play the effect of direction when first cutter and second cutter oscilaltion through the cooperation between slider in the first guide rail sliding block assembly and the guide rail, improve the removal precision and the stability of first cutter and second cutter, can restrict the height that the mounting panel descends through spacing seat in addition, thereby can prevent that first cutter and second cutter from descending excessively and anchor clamps bump, cause the damage of anchor clamps.

Preferably, two sets of lifting unit is fixed in respectively and corresponds translation unit's output, two sets of translation unit passes through the indirect fixed support of the rectangular plate of vertical extension in the board top, the rectangular plate is followed first cutter and second cutter horizontal migration's direction transversely extends, and is two sets of translation unit is fixed in the rectangular plate front end just sets up along its extending direction interval, the translation unit is the lead screw slip table structure that the level set up, and is two sets of in the lifting unit the riser is fixed in respectively and corresponds lifting unit's output, two sets of in the lifting unit the riser pass through the second guide rail sliding block subassembly sliding support that the level set up in the rectangular plate front end.

Two groups of lifting components are respectively fixed at the output ends of corresponding translation components, the two groups of translation components are indirectly and fixedly supported above a machine table through a vertically extending rectangular plate, the rectangular plate transversely extends along the horizontal moving direction of a first cutter and a second cutter, the two groups of translation components are fixed at the front end of the rectangular plate and are arranged at intervals along the extending direction of the rectangular plate, the translation components are of a horizontally arranged screw rod sliding table structure, vertical plates in the two groups of lifting components are respectively fixed at the output ends of the corresponding lifting components, the vertical plates in the two groups of lifting components are supported at the front end of the rectangular plate in a sliding manner through a horizontally arranged second guide rail sliding block component, so that the translation components can drive the lifting components to horizontally move when working, the first cutter and the second cutter can be driven to horizontally move along the same direction, the milling of nodes on a wheel ring workpiece can be realized, and the guiding effect can be realized when the lifting components horizontally move through the second guide rail sliding block component, therefore, the guide function can be realized when the first cutter and the second cutter move horizontally, and the milling precision can be further improved.

Therefore, the milling device has the advantages that the milling of the inner and outer ring nodes of the ring workpiece can be realized only by once clamping, the production efficiency can be obviously improved, the labor capacity of workers is reduced, and the like.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of a portion of the present invention;

FIG. 3 is a schematic perspective view of the lift assembly of the present invention;

FIG. 4 is a perspective view of the clamp of the present invention;

FIG. 5 is a schematic perspective view of a detection assembly according to the present invention;

fig. 6 is a perspective view of the rotating unit according to the present invention.

The scores in the figures are as follows: 1. a machine platform; 2. a clamp; 3. a rotating assembly; 4. a detection component; 5. a milling assembly; 6. a first cutter; 7. a second cutter; 8. a lifting assembly; 9. a translation assembly; 10. a detection element; 11. a detection seat; 12. a panel; 13. a strip-shaped groove; 14. a screw; 15. a nut; 16. a hollow speed reducer; 17. a first motor; 18. a movable jaw; 19. positioning a groove; 20. mounting a plate; 21. a lifting groove; 22. a linear actuator; 23. a feeding seat; 24. a second motor; 25. a first guide rail slider assembly; 26. a rectangular plate; 27. a second guide rail slider assembly; 28. a limiting seat.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.

As shown in fig. 1 and 4, the rim milling machine according to the present invention includes a machine table 1, a fixture 2 for clamping a rim workpiece from one side of an inner ring of the rim workpiece is disposed on the machine table 1, the fixture 2 is a three-jaw chuck, a center of the fixture 2 coincides with a center of the rim workpiece, the fixture 2 is indirectly or directly rotatably supported on the machine table 1, the fixture 2 includes three movable jaws 18 detachably fixed to a top of the fixture 2, the three movable jaws 18 are detachably connected by screws, the three movable jaws 18 are distributed in a circular array with the center of the fixture 2, the three movable jaws 18 can horizontally move along a radial direction of the fixture 2, and positioning grooves 19 adapted to an inner ring profile of the rim workpiece are formed at outer ends of the three movable jaws 18.

As shown in fig. 2 and 6, a milling assembly 5 is arranged above the fixture 2, the milling assembly 5 includes a first tool 6 and a second tool 7, which are respectively used for milling the inner and outer ring nodes of the rim workpiece and can rotate, the first tool 6 includes a first tool seat, a plurality of obliquely arranged tool grooves are uniformly distributed on the circumference of the first tool seat, an inner ring forming tool adapted to the inner ring profile of the rim workpiece is mounted in each tool groove, the second tool 7 includes a second tool seat, a plurality of obliquely arranged tool grooves are uniformly distributed on the circumference of the second tool seat, an outer ring forming tool adapted to the outer ring profile of the rim workpiece is mounted in each tool groove, when the rim of the workpiece is horizontally arranged on the fixture 2, the first tool 6 and the second tool 7 are distributed at intervals along the radial direction of the rim workpiece, the milling assembly 5 further includes a second motor 24 fixed above the front end of the mounting plate 20, the second motor 24 is a three-phase asynchronous motor, an output shaft of the second motor 24 extends vertically downwards, the first cutter 6 and the second cutter 7 are respectively fixed at output ends corresponding to the second motor 24, the fixture 2 is connected with the rotating assembly 3 so as to enable the rim workpiece to rotate in an autorotation and reciprocating mode for a certain angle, the rotating assembly 3 comprises a hollow speed reducer 16 fixed on the machine table 1, the fixture 2 is fixed at the output end of the hollow speed reducer 16, an input end of the hollow speed reducer 16 is fixedly connected with a first motor 17, the first motor 17 is a servo motor, and the first motor 17 is fixedly supported below the machine table 1.

As shown in fig. 2 and 3, the first tool 6 and the second tool 7 are respectively connected with a set of lifting assemblies 8 to realize vertical lifting, each set of lifting assemblies 8 comprises a vertical plate 19 extending vertically, a mounting plate 20 is slidably connected to the front side of the vertical plate 19 to be lifted vertically, the milling assembly 5 is fixedly supported at the front end of the mounting plate 20, the vertical plate 19 forms a lifting groove 21 with a front opening and a top opening, the lifting groove 21 extends vertically, a linear driver 22 is fixed at the upper end of the vertical plate 19, the linear driver 22 is an oil cylinder, the output end of the linear driver 22 extends vertically downwards from the top opening of the lifting groove 21 to the inside of the lifting groove 21, a T-shaped feeding seat 23 is arranged in the lifting groove 21, the large end of the feeding seat 23 extends out from the front opening of the lifting groove 21 and extends to the front end of the mounting plate 20 to form a fixed connection therewith, and the small end of the feeding seat 23 is fixedly connected with the output end of the linear driver 22, be equipped with the first guide rail sliding block set 25 of vertical setting between 19 front ends of riser and the mounting panel 20 rear end, the vertical extension of guide rail in the first guide rail sliding block set 25 is fixed in 19 front ends of riser, and the slider in the first guide rail sliding block set 25 is fixed in the mounting panel 20 rear end, and 19 front end bottom of riser are fixed with the spacing seat 28 that the level extends forward, spacing seat 28 can with the bottom butt of mounting panel 20.

As shown in fig. 1 and 2, the first tool 6 and the second tool 7 are further connected with a set of translation assemblies 9 respectively to achieve horizontal movement, the first tool 6 and the second tool 7 have the same horizontal movement direction and coincide with the radial direction of the rim workpiece, the two sets of lifting assemblies 8 are fixed to the output ends of the corresponding translation assemblies 9 respectively, the two sets of translation assemblies 9 are indirectly and fixedly supported above the machine platform 1 through vertically extending rectangular plates 26, the rectangular plates 26 transversely extend along the horizontal movement direction of the first tool 6 and the second tool 7, the two sets of translation assemblies 9 are fixed to the front ends of the rectangular plates 26 and are arranged at intervals along the extending direction of the rectangular plates 26, the translation assemblies 9 are horizontally arranged screw rod sliding table structures, the vertical plates 19 in the two sets of lifting assemblies 8 are fixed to the output ends of the corresponding lifting assemblies 8 respectively, and the vertical plates 19 in the two sets of lifting assemblies 8 are supported at the front ends of the rectangular plates 26 in a sliding manner through horizontally arranged second guide rail slider assemblies 27.

As shown in fig. 1, 4 and 5, a detecting assembly 4 located at the lateral outer side of a clamp 2 and used for detecting the node position of a rim workpiece is arranged on a machine table 1, the detecting assembly 4 includes a detecting element 10 located at the radial outer side of the rim workpiece, the detecting element 10 is a laser distance meter, the detecting assembly 4 further includes a detecting seat 11 fixed on the machine table 1, the detecting seat 11 is fixed on the machine table 1 and extends vertically and upwardly, the detecting element 10 is movably supported on the detecting seat 11 in an up-and-down lifting manner, the detecting seat 11 is movably connected with an L-shaped panel 12, the detecting element 10 is fixedly supported at the bottom of the panel 12, the panel 12 is movably and fixedly supported at one side of the detecting seat 11 close to the clamp 2, two vertically and upwardly extending strip-shaped grooves 13 are penetratingly arranged on the detecting seat 11, the two strip-shaped grooves 13 are arranged at intervals along the horizontal direction, screws 14 penetrating through the side of the panel 12 are respectively arranged in the two strip-shaped grooves 13, the small end of the screw is in threaded connection with a nut 15.

When the embodiment is implemented, firstly, a rim workpiece is horizontally clamped on a clamp 2, the three movable clamping jaws 18 act on the inner ring of the rim workpiece to fix the rim workpiece, the node position on the rim workpiece is far away from the acting point of the three movable clamping jaws 18 on the inner ring of the rim workpiece, then the position of the node on the rim workpiece is detected through a detection element 10 in a detection assembly 4, the detected position information is fed back to a control system to control a first motor 17 in a rotating assembly 3 to drive the rim workpiece to rotate through the clamp 2, so that the node position on the rim workpiece is accurately rotated between a first cutter 6 and a second cutter 7, the node position is positioned on a moving path of the first cutter 6 and the second cutter 7 which move horizontally, then the first cutter 6 is driven to move horizontally to be right above the center position of the rim workpiece through a translation assembly 9, and then the first cutter 6 is driven to move downwards to the inner side of the rim workpiece through a linear driver 22 in a lifting assembly 8, the first cutter 6 is positioned at the height corresponding to the inner ring of the rim workpiece, the translation assembly 9 drives the first cutter 6 to move to the node position of the inner ring of the rim workpiece, the second motor 24 drives the first cutter 6 to rotate to mill the node of the inner ring of the rim workpiece, the first motor 17 in the rotating assembly 3 drives the rim workpiece to rotate in a reciprocating mode by a certain angle in the milling process, the rotating angle is +/-3 degrees, milling of the node of the inner ring of the rim workpiece is completed, the first cutter 6 is reset after milling is completed, the second cutter 7 is driven to move downwards to the outer side of the rim workpiece through the linear driver 22 in the lifting assembly 8, the second cutter 7 is positioned at the height corresponding to the outer ring of the rim workpiece, the translation assembly 9 drives the second cutter 7 to move to the node position of the outer ring of the rim workpiece, and the second motor 24 drives the second cutter 7 to mill the node of the outer ring of the rim workpiece, in the milling process, the first motor 17 in the rotating assembly 3 drives the rim workpiece to rotate in a reciprocating mode by a certain angle, and the rotating angle is +/-3 degrees, so that the milling of the outer ring node of the rim workpiece is completed.

The milling device has the advantages that the milling of the inner and outer ring nodes of the ring workpiece can be realized only by once clamping, the production efficiency can be obviously improved, the labor capacity of workers is reduced, and the like.

Claims

1. The utility model provides a wheel rim milling machine which characterized in that: the wheel rim machining device comprises a machine table (1), wherein a clamp (2) used for clamping a wheel rim workpiece from one side of an inner ring of the wheel rim workpiece is arranged on the machine table (1), the clamp (2) is connected with a rotating assembly (3) so that the wheel rim workpiece can rotate in an autorotation and reciprocating rotation for a certain angle, a detection assembly (4) located on the transverse outer side of the clamp (2) and used for detecting the node position of the wheel rim workpiece is arranged on the machine table (1), a milling assembly (5) is arranged above the clamp (2), the milling assembly (5) comprises a first cutter (6) and a second cutter (7) which are respectively used for milling the nodes of the inner ring and the outer ring of the wheel rim workpiece and can rotate in an autorotation manner, when the wheel rim workpiece is horizontally clamped on the clamp (2), the first cutter (6) and the second cutter (7) are distributed at intervals along the radial direction of the wheel rim workpiece, and the first cutter (6) and the second cutter (7) are respectively connected with a group of lifting assemblies (8) to realize vertical lifting, the first cutter (6) and the second cutter (7) are further connected with a group of translation assemblies (9) respectively to achieve horizontal movement, and the first cutter (6) and the second cutter (7) are in the same horizontal movement direction and are overlapped with the radial direction of the rim workpiece.

2. A rim milling machine according to claim 1, wherein: the detection assembly (4) comprises a detection element (10) located on the radial outer side of a rim workpiece, the detection assembly (4) further comprises a detection seat (11) fixed on the machine table (1), the detection seat (11) is fixed on the machine table (1) and vertically extends upwards, and the detection element (10) can be movably supported on the detection seat (11) in a vertical lifting mode.

3. A rim milling machine according to claim 2, wherein: it has panel (12) that is the L form to detect swing joint on seat (11), detecting element (10) by fixed stay in panel (12) bottom, panel (12) with movable mode fixed stay in detect and be close to on seat (11) one side of anchor clamps (2), it is equipped with two vertical bar grooves (13) that upwards extend to link up on detecting seat (11), two bar groove (13) set up along the horizontal direction interval, two wear to be equipped with respectively in bar groove (13) and run through screw (14) of panel (12) side, screw (14) tip threaded connection has nut (15).

4. A rim milling machine according to claim 1, 2 or 3, wherein: the fixture (2) is a three-jaw chuck, the center of the fixture (2) is superposed with the center of a rim workpiece, and the fixture (2) is indirectly or directly rotatably supported on the machine table (1).

5. A rim milling machine according to claim 4, wherein: anchor clamps (2) are fixed in including three detachably at least movable jack catch (18), three at anchor clamps (2) top movable jack catch (18) with the center of anchor clamps (2) is circular array and distributes, and is three movable jack catch (18) can be followed the radial horizontal migration that carries on of anchor clamps (2), it is three the outer end of movable jack catch (18) all is formed with constant head tank (19) with the inner circle profile looks adaptation of rim work piece.

6. A rim milling machine according to claim 4, wherein: the rotating assembly (3) comprises a hollow speed reducer (16) fixed on the machine table (1), the clamp (2) is fixed at the output end of the hollow speed reducer (16), the input end of the hollow speed reducer (16) is fixedly connected with a first motor (17), and the first motor (17) is fixedly supported below the machine table (1).

7. A rim milling machine according to claim 4, wherein: each group of lifting components (8) comprises a vertical plate (19) which extends vertically, the front side of the vertical plate (19) is connected with a mounting plate (20) in a sliding way capable of lifting up and down, the milling component (5) is fixedly supported at the front end of the mounting plate (20), the vertical plate (19) forms a lifting groove (21) with a front opening and a top opening, the lifting groove (21) extends vertically, a linear driver (22) is fixed at the upper end of the vertical plate (19), the output end of the linear driver (22) extends vertically downwards from the top opening of the lifting groove (21) to the interior of the lifting groove (21), a T-shaped feeding seat (23) is arranged in the lifting groove (21), the large end of the feeding seat (23) extends out of the front opening of the lifting groove (21) and extends to the front end of the mounting plate (20) to form fixed connection with the mounting plate, the small end of the feeding seat (23) is fixedly connected with the output end of the linear driver (22).

8. A rim milling machine according to claim 7, wherein: the milling assembly (5) further comprises a second motor (24) fixed above the front end of the mounting plate (20), an output shaft of the second motor (24) extends vertically downwards, and the first cutter (6) and the second cutter (7) are fixed to output ends of the second motor (24) respectively.

9. A rim milling machine according to claim 7, wherein: riser (19) front end with be equipped with first guide rail sliding block set spare (25) of vertical setting between mounting panel (20) rear end, the vertical extension of guide rail in first guide rail sliding block set spare (25) is fixed in riser (19) front end, slider in the first guide rail sliding block set spare (25) is fixed in mounting panel (20) rear end, riser (19) front end bottom is fixed with spacing seat (28) that the level extends forward, spacing seat (28) can with the bottom butt of mounting panel (20).

10. A rim milling machine according to claim 7, wherein: the two groups of lifting components (8) are respectively fixed at the output ends of the corresponding translation components (9), the two groups of translation components (9) are indirectly and fixedly supported above the machine table (1) through a vertically extending rectangular plate (26), the rectangular plate (26) transversely extends along the direction of horizontal movement of the first cutter (6) and the second cutter (7), two groups of translation assemblies (9) are fixed at the front end of the rectangular plate (26) and are arranged at intervals along the extension direction of the rectangular plate, translation subassembly (9) are the lead screw slip table structure of level setting, and are two sets of in lifting unit (8) riser (19) are fixed in respectively and correspond the output of lifting unit (8), and are two sets of in lifting unit (8) riser (19) through second guide rail sliding block assembly (27) sliding support that the level set up in rectangular plate (26) front end.