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CN-121972985-A - Guide rail milling device and method

CN121972985ACN 121972985 ACN121972985 ACN 121972985ACN-121972985-A

Abstract

The invention discloses a guide rail milling device and a guide rail milling method, which belong to the technical field of guide rail processing and comprise a machine tool groove plate, wherein a milling and milling integrated processing mechanism is connected with the machine tool groove plate; the milling integrated machining mechanism comprises a movable grinding mechanism and a reciprocating milling mechanism, wherein a follow-up guide surface detection device is connected with the reciprocating milling mechanism and comprises a lifting assembly, a synchronous adjusting assembly, a first conformal detection assembly and a second conformal detection assembly, the lifting assembly is connected with the reciprocating milling mechanism, and an adjustable bottom surface supporting mechanism is arranged on a groove plate of a machine tool. Through the mode, the wave linear motion trail is realized, the traditional single-point single-line detection is replaced, the guide rail surface is scanned in a large range, the flatness state of the guide rail surface is reflected more comprehensively, and the detection accuracy is improved.

Inventors

  • Ou Shengyou
  • Ou Minghong
  • LING JIAN
  • LING HAI

Assignees

  • 佛山市顺德区欧鸿大机械有限公司

Dates

Publication Date
20260505
Application Date
20260403

Claims (10)

  1. 1. The guide rail milling device comprises a machine tool groove plate (1) and is characterized by further comprising a milling integrated machining mechanism, a follow-up guide rail surface detection device (4) and an adjustable bottom surface supporting mechanism (5); The milling and milling integrated processing mechanism for carrying out V-shaped guide rail forming operation on the surface of the workpiece is connected with a machine tool groove plate (1); The milling and milling integrated machining mechanism comprises a movable grinding mechanism (2) and a reciprocating milling mechanism (3), wherein the movable grinding mechanism (2) is connected with a machine tool groove plate (1), and the reciprocating milling mechanism (3) is connected with the movable grinding mechanism (2); the follow-up guide surface detection device (4) is used for detecting the milled guide surface and is connected with the reciprocating milling mechanism (3); the follow-up guide rail surface detection device (4) comprises a lifting assembly, a synchronous adjustment assembly, a first conformal detection assembly and a second conformal detection assembly, wherein the lifting assembly is connected with the reciprocating milling mechanism (3), and the synchronous adjustment assembly is connected with the lifting assembly; a plurality of adjusting type bottom surface supporting mechanisms (5) used for carrying out more stable supporting effect on the bottom of the workpiece are arranged on a groove plate (1) of the machine tool.
  2. 2. The guide rail milling device according to claim 1, characterized in that the mobile grinding mechanism (2) comprises a mobile assembly and a grinding assembly, the mobile assembly is connected with the machine tool groove plate (1), and the grinding assembly is connected with the mobile assembly.
  3. 3. The guide rail milling device according to claim 2, wherein the reciprocating type milling mechanism (3) comprises a follow-up box body (31), a reciprocating moving assembly and a milling assembly, the follow-up box body (31) is connected with the moving assembly, an avoidance groove (3111) is formed in the right side of the front end of the follow-up box body (31), the reciprocating moving assembly is arranged on the left side of the follow-up box body (31), and the milling assembly is connected with the reciprocating moving assembly.
  4. 4. The guide rail milling device according to claim 3, wherein the reciprocating assembly comprises a second driving motor (32), a driving disc (33), driving rollers (34), a driven transverse moving plate (35) and a reciprocating guide plate (36), wherein the driving disc (33) is rotatably arranged on the inner wall of the front side of the follow-up box body (31), the second driving motor (32) is fixedly arranged at the front end of the follow-up box body (31), the output end of the second driving motor (32) is fixedly connected with the driving disc (33), and the driving rollers (34) are rotatably arranged on the outer ring of the front end of the driving disc (33); The reciprocating guide plate (36) is fixedly arranged on the left side and the right side of the inner wall of the rear side of the follow-up box body (31), the left side and the right side of the driven transverse moving plate (35) are in limit sliding connection with the reciprocating guide plate (36), a limit groove (351) in limit sliding connection with the driving roller (34) is formed in the middle of the driven transverse moving plate (35), and the driven transverse moving plate (35) is connected with the milling assembly.
  5. 5. The guide rail milling device according to claim 4, wherein the milling assembly comprises a connecting plate (38), a third driving motor (39), a double-angle milling cutter (310), a second cleaning pipe (311) and a second synchronous transmission assembly, wherein the connecting plate (38) is fixedly arranged on the right side of the front end of the driven transverse moving plate (35), the third driving motor (39) is fixedly arranged above the rear side of the connecting plate (38), the second synchronous transmission assembly is arranged above the rear side of the connecting plate (38), the double-angle milling cutter (310) is rotatably arranged below the front end of the connecting plate (38), one end of the second synchronous transmission assembly is fixedly connected with the output end of the third driving motor (39), the other end of the second synchronous transmission assembly is fixedly connected with the double-angle milling cutter (310), the output end of the third driving motor (39) is in transmission connection with the double-angle milling cutter (310) through the second synchronous transmission assembly, and the second cleaning pipe (311) is fixedly arranged on the right end of the follow-up box (31); The follow-up box body (31) is connected with the lifting component.
  6. 6. The guide rail milling device of claim 5, wherein the first and second compliant detection assemblies each comprise a dislocation plate (48), a buffer support assembly and a surface detection assembly, wherein the dislocation plate (48) is fixedly connected with the driven rack (46), the buffer support assembly is connected with the dislocation plate (48), and the surface detection assembly is connected with the dislocation plate (48).
  7. 7. The guide rail milling device according to claim 6, wherein the buffer support assembly comprises a support rod (49), support balls (410) and first reset tension springs (411), the support rod (49) is symmetrically and limited and slidingly arranged on the left side and the right side of the dislocation plate (48), the support balls (410) in rolling connection with the guide rail surface are rotatably arranged at one end, close to the guide rail surface, of the support rod (49), the first reset tension springs (411) are arranged at the outer ends of the support rod (49) in a winding mode, one ends of the first reset tension springs (411) are fixedly connected with the support rod (49), and the other ends of the first reset tension springs (411) are fixedly connected with the dislocation plate (48).
  8. 8. The guide rail milling device according to claim 7, wherein the surface detection assembly comprises a fourth screw rod sliding table module (412), an L-shaped plate (413), a movable guide rod (414), a second reset tension spring (415), an electronic dial indicator (416) and a second movable plate (417), wherein the fourth screw rod sliding table module (412) is fixedly arranged at one end, close to the front and rear dislocation plates (48); The L-shaped plate (413) is fixedly connected with the movable end of the fourth screw rod sliding table module (412), the movable guide rod (414) is symmetrically and fixedly arranged at the inner top of the L-shaped plate (413), the second movable plate (417) is in limit sliding connection with the movable guide rod (414), a second reset tension spring (415) is wound on the movable guide rod (414), one end of the second reset tension spring (415) is fixedly connected with the second movable plate (417), the other end of the second reset tension spring (415) is fixedly connected with the movable guide rod (414), and the electronic dial indicator (416) is fixedly arranged at the upper end of the second movable plate (417).
  9. 9. The guide rail milling device of claim 8, wherein the adjusting type bottom surface supporting mechanism (5) comprises a magnetic sucker (51), a supporting screw rod (52), a supporting sleeve (53), a driving ring (54), a component force plate (57) and a locking pin (58), the supporting screw rod (52) is fixedly arranged in the middle of the upper end of the magnetic sucker (51), the supporting sleeve (53) is in threaded connection with the supporting screw rod (52), the driving ring (54) is rotatably arranged at the upper end of the magnetic sucker (51), driving chute (55) are symmetrically arranged on the front side and the rear side of the driving ring (54), telescopic grooves (56) are symmetrically arranged on the front side and the rear side of the magnetic sucker (51), the component force plate (57) is in limiting sliding connection with the telescopic grooves (56), a driven roller (510) in rolling connection with the inner wall of the driving chute (55) is rotatably arranged on the upper end of the component force plate (57), and locking grooves (59) which are spliced with the locking pin (58) are respectively arranged on the driving ring (54), the magnetic sucker (51) and the component force plate (57).
  10. 10. A method of use, using the guideway milling apparatus of claim 2, comprising the steps of: The method comprises the steps that firstly, a workpiece needing to be subjected to V-shaped guide rail milling operation moves to the upper part of a machine tool groove plate (1) through a hoisting device, an adjusting type bottom surface supporting mechanism (5) is placed at a position corresponding to the upper end of the machine tool groove plate (1) according to the size and the machining position of the workpiece, and the workpiece is clamped; starting a movable grinding mechanism (2), enabling the movable grinding mechanism (2) to move unidirectionally along the arrangement direction of the V-shaped guide rail, and grinding a guide rail bottom groove of a group of V-shaped guide rails of a workpiece; The method comprises the steps of moving a movable grinding mechanism (2) along the arrangement direction of a V-shaped guide rail, synchronously moving a reciprocating milling mechanism (3) along the movable grinding mechanism (2) and milling the guide surface along a guide rail bottom groove, and milling the guide surface of a group of V-shaped guide rails of a workpiece by the reciprocating milling mechanism (3) along the guide rail bottom groove in the reciprocating milling mechanism (3) moving process along the movable grinding mechanism (2); When the movable grinding mechanism (2) and the reciprocating milling mechanism (3) move along the setting direction of the V-shaped guide rail, the lifting assembly controls the synchronous adjusting assembly, the first conformal detection assembly and the second conformal detection assembly to move downwards, the first conformal detection assembly and the second conformal detection assembly are in contact with the guide surfaces of a group of V-shaped guide rails which finish milling, the first conformal detection assembly and the second conformal detection assembly move along the inclined direction of the guide surfaces of the V-shaped guide rail while moving along the setting direction of the V-shaped guide rail, the movement track of the first conformal detection assembly and the second conformal detection assembly is wave-shaped, the first conformal detection assembly and the second conformal detection assembly carry out scanning detection along the wave-shaped track, detected data are compared with preset guide surface flatness parameters, and whether the positions of the movable grinding mechanism (2) and the reciprocating milling mechanism (3) need to be adjusted or not is judged according to comparison results, and the positions of the movable grinding mechanism (2) and the reciprocating milling mechanism (3) need to be milled for the second time when the reset guide surfaces of the V-shaped guide rails need to be subjected to milling for the second time; After the flatness judgment of the guide rail surfaces is finished, the first conformal detection component and the second conformal detection component detect the inclination of the guide rail surfaces, judge whether the machining inclination of the two guide rail surfaces of the V-shaped guide rail is the same, and judge whether the movable grinding mechanism (2) and the reciprocating milling mechanism (3) are required to reset to the position of the guide rail surface of a group of V-shaped guide rail, which is required to be subjected to secondary milling, according to the comparison result of the two guide rail surfaces; and step six, repeating the step two to the step five to mill the other group of V-shaped guide rails of the workpiece.

Description

Guide rail milling device and method Technical Field The invention relates to the technical field of guide rail machining, in particular to a guide rail milling device and a guide rail milling method. Background The guide rail is used as a core guide component of a machine tool and an automation device, and the machining precision of the guide rail directly influences the running stability and the positioning precision of the device. The prior guide rail milling process mostly adopts a special milling machine tool, and the forming process of the rail head, rail side, rail web and other parts is completed through the cooperation of a plurality of groups of power heads, so that the production efficiency and the automation degree are obviously improved compared with the traditional manual process, and the main stream processing mode in the industry is realized. Chinese patent CN112024958B discloses a special milling machine tool for guide rails, which comprises a lathe bed, a power head set, a hydraulic fixture and a cooling chip removal device, wherein the power head set and the hydraulic fixture are both installed on the lathe bed, the power head set comprises a rail top milling power head, two sets of rail head side elevation milling power heads and two sets of rail waist milling power heads, the rail top milling power head is installed on the upper part of the lathe bed gantry, the two sets of rail top milling power heads are respectively installed on two sides of the lathe bed gantry along the feeding direction, and the rail waist milling power heads are respectively installed on two sides in front of the lathe bed gantry. However, the device still has the following problems in use: The milling cutter follows the power head group to pass through a unidirectional feeding processing mode, so that the problems of uneven stress and poor forming flatness of the guide rail surface of the milling cutter are easily caused at the initial stage of processing, the whole machine is required to reciprocate at the moment, the energy consumption is high, the processing precision is easily influenced, and the device still needs to stop manual detection or off-line detection after the milling is finished, so that the processing period is prolonged, the milling quality cannot be fed back in real time, and batch defective products are easily caused. Based on the above, the invention designs a guide rail milling device and a method thereof to solve the above problems. Disclosure of Invention The invention provides a guide rail milling device and a guide rail milling method aiming at the defects existing in the prior art. In order to achieve the above purpose, the invention is realized by the following technical scheme: the guide rail milling device comprises a machine tool groove plate, a milling integrated machining mechanism, a follow-up guide rail surface detection device and an adjustable bottom surface supporting mechanism; the milling and milling integrated processing mechanism for carrying out V-shaped guide rail forming operation on the surface of the workpiece is connected with a groove plate of a machine tool; the milling and milling integrated processing mechanism comprises a movable grinding mechanism and a reciprocating milling mechanism, wherein the movable grinding mechanism is connected with a groove plate of a machine tool; the follow-up guide surface detection device is used for detecting the milled guide surface and is connected with the reciprocating milling mechanism; The follow-up guide rail surface detection device comprises a lifting assembly, a synchronous adjustment assembly, a first conformal detection assembly and a second conformal detection assembly, wherein the lifting assembly is connected with a reciprocating milling mechanism, and the synchronous adjustment assembly is connected with the lifting assembly; the plurality of adjusting type bottom surface supporting mechanisms for more firmly supporting the bottom of the workpiece are arranged on the groove plate of the machine tool; Further, the movable grinding mechanism comprises a movable component and a grinding component, wherein the movable component is connected with the groove plate of the machine tool; The reciprocating milling mechanism comprises a follow-up box body, a reciprocating moving assembly and a milling assembly, wherein the follow-up box body is connected with the moving assembly, and the right side of the front end of the follow-up box body is provided with an avoidance groove; The reciprocating assembly comprises a first driving motor, a driving disc, a driving roller, a driven transverse moving plate and a reciprocating guide plate, wherein the driving disc is rotatably arranged on the inner wall of the front side of the follow-up box body; the device comprises a driven box body, a driven transverse moving plate, a driving roller, a reciprocating guide plate, a milling assembly, a driving guide plate, a driving guide whe