CN217890077U

CN217890077U - Three-axis linkage machining mechanism

Info

Publication number: CN217890077U
Application number: CN202222141591.7U
Authority: CN
Inventors: 罗雄光; 伍友森
Original assignee: Dongguan Huaxin Laser Technology Co ltd
Current assignee: Dongguan Huaxin Laser Technology Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2022-11-25
Anticipated expiration: 2032-08-15

Abstract

The utility model relates to the field of on-site machining equipment, in particular to a three-axis linkage machining mechanism, which comprises an axle seat and an installation block fixedly connected with the outside of the axle seat, wherein a boring rod penetrates through the axle seat, a lifting structure is arranged on the axle seat, the lifting structure is connected with a lifting seat, a transmission box and a rotating motor which is matched with the transmission box are arranged on the lifting seat, the boring rod passes through the transmission box and is driven to rotate by the transmission structure in the transmission box, the lower end of the boring rod is connected with a tool rest module, and the tool rest module is used for enabling a tool rest to move along the direction vertical to the axis of the boring rod; can install whole processing agency on waiting to restore the equipment of valve disk seat through installation piece and axle bed to can realize the triaxial control to the cutter, can process the complicated shape of various combinations such as plane, hole, cambered surface, straight chamfer, round chamfer, improve the on-the-spot repair efficiency of valve disk seat.

Description

Three-axis linkage machining mechanism

Technical Field

The utility model relates to an on-the-spot processing equipment field especially relates to a triaxial linkage processing agency.

Background

The crackle can appear when using in the high temperature high pressure valve disk seat of electric power industry, consequently, need carry out the crackle restoration to the valve disk seat, current restoration is including dismantling to get off to restore and on-the-spot to restore, when carrying out the on-the-spot restoration of crackle, need online processing, specifically including the machined surface, the hole, the cambered surface, straight chamfer, the complicated shape of various combinations such as circle chamfer, because the condition of on-the-spot processing is various, generally realize through multiple processing agency, so can lead to the efficiency of restoration processing not high, consequently, need to design one kind and can realize the triaxial linkage urgently, compromise the processing agency of multiple processing, in order to improve the on-the-spot repair efficiency of valve disk seat.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a triaxial linkage processing agency can install whole processing agency on the equipment of waiting to restore the valve disk seat through installation piece and axle bed to can realize the triaxial control to the cutter, can process the plane, the hole, the cambered surface, straight chamfer, the complicated shape of various combinations such as round chamfer improve the on-the-spot repair efficiency of valve disk seat.

In order to realize the above purpose, the utility model discloses a technical scheme be: a three-axis linkage machining mechanism comprises an axle seat and an installation block fixedly connected with the outside of the axle seat, wherein a boring rod penetrates through the axle seat, a lifting structure is arranged on the axle seat and connected with a lifting seat, a transmission box and a rotating motor matched with the transmission box are arranged on the lifting seat, the boring rod penetrates through the transmission box and is driven to rotate by the transmission structure in the transmission box, the lower end of the boring rod is connected with a tool rest module, and the tool rest module is used for enabling a tool rest to move along the direction vertical to the axis of the boring rod.

Preferably, the lifting structure comprises a lifting screw rod and a lifting guide rod which are installed on the shaft seat, the lifting screw rod and the lifting guide rod all penetrate through the lifting seat, the lifting seat is in threaded sleeve connection with the lifting screw rod, and the upper end of the lifting screw rod is matched with a lifting motor.

Preferably, the upper end of the boring rod is provided with a sliding ring, an electric ring mounting block at the lower part of the sliding ring is fixed at the upper end of the boring rod through a bolt, the boring rod is a hollow rod, the upper part of an inner cavity of the boring rod is electrically connected with the sliding ring through an aviation plug, the aviation plug is electrically communicated with the tool rest module through a wire in the boring rod, and the lifting seat is further provided with a wire rack.

Preferably, the tool rest module comprises a tool rest connecting seat fixedly connected with the lower end of the boring rod, a tool rest mounting seat is arranged below the tool rest connecting seat, a tool rest movable motor and a tool rest movable screw rod assembly driven by the tool rest movable motor are arranged in the tool rest mounting seat, the tool rest movable motor is electrically connected with a lead in the boring rod, the tool rest movable screw rod assembly comprises a tool rest movable screw rod and a tool rest movable block sleeved on the tool rest movable screw rod, and the tool rest movable block drives a tool rest below the tool rest mounting seat to move along the direction vertical to the axis of the boring rod.

Preferably, the lower part of the boring bar is provided with a central supporting block, the central supporting block comprises a copper sleeve sleeved on the boring bar, and the outer side of the copper sleeve is provided with a bolt sleeve with an outward opening.

The technical effects of the utility model are that: the whole machining mechanism can be installed on equipment of a valve seat to be repaired through the installation block and the shaft seat, the three-shaft control of the tool can be realized, various combined complex shapes such as a plane, an inner hole, an arc surface, a straight chamfer, a round chamfer and the like can be machined, and the on-site repair efficiency of the valve seat is improved; the inner hollow design of the boring bar is matched with the design of the sliding ring, so that the circuit of the tool rest module can be arranged in the boring bar, and cannot be influenced by the rotation of the boring bar, and the tool rest module has more space advantages when being processed on site; the lower part of the boring rod can be rotated and limited by the design of the central supporting block, and the boring rod is prevented from swinging in the rotating process.

Drawings

Fig. 1 is a schematic perspective view of a three-axis linkage machining mechanism.

Fig. 2 is a perspective view of the slip ring and the boring bar.

FIG. 3 is a perspective view of the center support block.

Fig. 4 is a perspective view of a tool post module.

The text labels shown in the figures are represented as: 1. mounting blocks; 2. a shaft seat; 3. lifting a screw rod; 4. a lifting motor; 5. a lifting seat; 6. a lifting guide rod; 7. a transmission case; 8. rotating the motor; 9. boring a rod; 10. a central support block; 11. a tool holder module; 12. a slip ring; 13. a bobbin; 14. an electrical ring mounting block; 15. a copper sleeve; 16. a bolt sleeve; 21. a tool holder connecting seat; 22. a tool rest mounting seat; 23. a tool rest movable motor; 24. a tool rest movable lead screw assembly; 25. a knife rest.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

As shown in fig. 1 and 4, the specific structure of the present invention is: a three-axis linkage machining mechanism comprises an axle seat 2 and an installation block 1 fixedly connected with the outside of the axle seat 2, wherein a boring rod 9 penetrates through the axle seat 2, a lifting structure is arranged on the axle seat 2 and is connected with a lifting seat 5, a transmission box 7 and a rotating motor 8 which is matched with the transmission box are arranged on the lifting seat 5, the boring rod 9 penetrates through the transmission box 7 and is driven to rotate by the transmission structure in the transmission box 7, the lower end of the boring rod 9 is connected with a tool rest module 11, the tool rest module 11 is used for enabling a tool rest 25 to move along the direction vertical to the axis of the boring rod 9, the lifting structure comprises a lifting screw rod 3 and a lifting guide rod 6 which are arranged on the axle seat 2, the lifting screw rod 3 and the lifting guide rod 6 both penetrate through the lifting seat 5, the lifting seat 5 is in threaded sleeve matching with the lifting screw rod 3, and the upper end of the lifting screw rod 3 is matched with a lifting motor 4; the tool rest module 11 comprises a tool rest connecting seat 21 fixedly connected with the lower end of the boring rod 9, a tool rest mounting seat 22 is arranged below the tool rest connecting seat 21, a tool rest movable motor 23 and a tool rest movable screw rod assembly 24 driven by the tool rest movable motor 23 are arranged in the tool rest mounting seat 23, the tool rest movable screw rod assembly 24 comprises a tool rest movable screw rod and a tool rest movable block sleeved on the tool rest movable screw rod, and the tool rest movable block drives a tool rest 25 below the tool rest mounting seat 23 to move along the direction vertical to the axis of the boring rod 9.

When in-situ repair machining is required, the mounting block 1 is fixed on equipment to be repaired through a fixing structure such as a bolt, a cutter is mounted on a cutter rest 25, then three-axis linkage is carried out to drive the cutter to lift, rotate and horizontally move, so that the cutter completes repair of a valve and a valve seat, the three-axis linkage comprises lifting, rotating and horizontally moving, the specific operation of lifting is that a lifting motor 4 rotates to further drive a lifting screw rod 3 to rotate, and thus a lifting seat 5 in threaded sleeve connection with the lifting screw rod can lift under the action of a lifting guide rod and drive a transmission box 7, a rotating motor 8, a boring rod 9 and a cutter rest module 11 to integrally lift; the boring rod 9 is driven to rotate through the rotating motor 8, the tool rest module 11 is driven to integrally rotate, the tool rest movable screw rod is driven to rotate through the tool rest movable motor 23 in the horizontal movement mode, the tool rest movable block is further driven to horizontally move, the tool rest 25 and a tool on the tool rest can be driven to horizontally move in the mode, the whole three-axis linkage can act on the tool, and therefore the tool can be reversely moved to lift, rotate and horizontally move, complex shapes of various combinations such as planes, inner holes, cambered surfaces, straight chamfers, round chamfers and the like can be machined, and the on-site repair efficiency of the valve seat is improved.

As shown in fig. 1 and 2, the upper end of the boring bar 9 is provided with a sliding electric ring 12, an electric ring mounting block 14 at the lower part of the sliding electric ring 12 is fixed at the upper end of the boring bar 9 through a bolt, the boring bar 9 is a hollow bar, the upper part of the inner cavity of the boring bar 9 is electrically connected with the sliding electric ring through an aviation plug, the aviation plug is electrically connected with a tool rest movable motor 23 through a wire in the boring bar 9, and the lifting seat 5 is further provided with a wire frame 13.

Because whole processingequipment is installed on the equipment that needs the restoration, therefore the space is limited, if set up the circuit outside the boring bar, at the pivoted in-process, the condition that circuit and equipment produced the interference appears very easily, and this application passes through the interior hollow design of slipring 12 and boring bar 9, and the ingenious required circuit of connecting with the knife rest module is placed in boring bar 9, the condition that the circuit interfered can not appear in boring bar lift and pivoted in-process.

As shown in fig. 1 and 3, a central support block 10 is disposed at a lower portion of the boring bar 9, the central support block 10 includes a copper sleeve 15 that is sleeved on the boring bar 9, and an outwardly open bolt sleeve 16 is disposed at an outer side of the copper sleeve 15.

Because the boring bar 9 needs to go up and down, the boring bar 9 can go on relatively to the axle bed 1 during going up and down, consequently the distance of the relative and knife rest module of rotation drive position of boring bar 9 has taken up more than two-thirds of the length of boring bar itself when designing, at the pivoted in-process, the wobbling condition in boring bar 9 lower part appears easily, and this application sets up copper sheathing 15 in the lower part of boring bar 9, can make copper sheathing 15 fix on waiting prosthetic equipment through the bolt bush 16 on the copper sheathing 15, so can rotate the lower part of boring bar 9 through copper sheathing 15 and carry on spacingly, the condition of boring bar pivoted appearance is avoided appearing.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principle and the implementation of the present invention are explained herein by using specific examples, and the above descriptions are only used to help understand the method and the core idea of the present invention; the foregoing are only preferred embodiments of the present invention, and it should be noted that there are practically unlimited specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the technical features described above can also be combined in a suitable manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.

Claims

1. The utility model provides a triaxial linkage processing agency, includes axle bed (2) and the outer fixed connection's of axle bed (2) installation piece (1), its characterized in that, axle bed (2) run through and have boring bar (9), and be provided with elevation structure on axle bed (2), elevation structure be connected with lift seat (5), lift seat (5) on be provided with transmission case (7) and rotation motor (8) of mutually supporting, boring bar (9) pass transmission case (7) and rotated by the drive of the transmission structure in transmission case (7), the lower extreme of boring bar (9) be connected with knife rest module (11), knife rest module (11) are used for making knife rest (25) along the direction removal of perpendicular and boring bar (9) axis.

2. The three-axis linkage machining mechanism according to claim 1, wherein the lifting structure comprises a lifting screw rod (3) and a lifting guide rod (6) which are arranged on the shaft seat (2), the lifting screw rod (3) and the lifting guide rod (6) both penetrate through a lifting seat (5), the lifting seat (5) is in threaded sleeve fit with the lifting screw rod (3), and a lifting motor (4) is matched at the upper end of the lifting screw rod (3).

3. The three-axis linkage machining mechanism according to claim 1, characterized in that a sliding ring (12) is arranged at the upper end of the boring bar (9), an electric ring mounting block (14) at the lower part of the sliding ring (12) is fixed at the upper end of the boring bar (9) through a bolt, the boring bar (9) is a hollow bar, the upper part of an inner cavity of the boring bar (9) is electrically connected with the sliding ring through an aviation plug, the aviation plug is electrically communicated with a tool rest module through a wire in the boring bar (9), and a wire frame (13) is further arranged on the lifting seat (5).

4. The three-axis linkage machining mechanism according to claim 3, characterized in that the tool rest module (11) comprises a tool rest connecting seat (21) fixedly connected with the lower end of the boring rod (9), a tool rest mounting seat (22) is arranged below the tool rest connecting seat (21), a tool rest movable motor (23) and a tool rest movable lead screw component (24) driven by the tool rest movable motor (23) are arranged in the tool rest mounting seat (23), the tool rest movable motor (22) is electrically connected with a lead wire in the boring rod (9), the tool rest movable lead screw component (24) comprises a tool rest movable lead screw and a tool rest movable block sleeved on the tool rest movable lead screw, and the tool rest movable block drives the tool rest (25) below the tool rest mounting seat (22) to move along the direction vertical to the axis of the boring rod (9).

5. The three-axis linkage machining mechanism according to claim 1, characterized in that a central supporting block (10) is arranged at the lower part of the boring bar (9), the central supporting block (10) comprises a copper sleeve (15) sleeved on the boring bar (9), and a bolt sleeve (16) which is opened outwards is arranged on the outer side of the copper sleeve (15).