CN221065251U

CN221065251U - Direct-drive single-arm five-axis turntable

Info

Publication number: CN221065251U
Application number: CN202322662954.6U
Authority: CN
Inventors: 陈国荣
Original assignee: Zhejiang Guanxinhong Intelligent Technology Co ltd
Current assignee: Zhejiang Guanxinhong Intelligent Technology Co ltd
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-06-04
Anticipated expiration: 2033-09-28

Abstract

The utility model provides a direct-drive single-arm five-axis turntable, which comprises a fixed seat, an A-axis assembly, a single-arm turntable, a C-axis assembly, a turntable and a chuck, wherein the fixed seat is detachably connected with a lathe bed, the A-axis assembly is arranged in the fixed seat, the single-arm turntable is connected with the power output end of the A-axis assembly, the C-axis assembly is arranged on the single-arm turntable, the turntable is fixed at the power output end of the C-axis assembly, the chuck is arranged at the top of the turntable, one end of the connecting section is fixedly connected with the power output end of the A-axis assembly, the C-axis assembly is arranged in the mounting section, a driving assembly is arranged in the connecting section, and the output end of the driving assembly is connected with the mounting section and drives the mounting section to be close to or far away from the connecting section; the length of the single-arm turntable is adjusted through the driving assembly, so that the direct-drive single-arm five-axis turntable can adapt to parts with different sizes, and further the working efficiency is guaranteed.

Description

Direct-drive single-arm five-axis turntable

Technical Field

The utility model relates to the technical field of machine tool machining, in particular to a direct-drive single-arm five-axis turntable.

Background

The five-axis linkage numerical control machine tool is a machine tool with high technological content and high precision and specially used for processing complex curved surfaces, and is widely applied to industries of aviation, aerospace, military, scientific research, precise instruments, high-precision medical equipment and the like. The swinging rotary table is important component equipment in the five-axis numerical control machine tool, and has the main effects that a workpiece is fixedly connected to the swinging rotary table of the five-axis linkage machine tool through a clamp before machining, so that the five-axis numerical control machine tool is convenient for carrying out related grinding or milling on a workpiece, and meanwhile, the swinging rotary table can drive the workpiece to rotate in the machining process, so that the complex appearance and curved surface of the part can be completed by one-time clamping.

Currently, chinese patent with publication No. CN213888188U discloses a novel single-arm cradle type five-axis turntable for five-axis machining center, which comprises a fixed disk detachably connected with a machine tool body, an a-axis servo transmission mechanism arranged on the fixed disk, a single-arm turntable connected with the a-axis servo transmission mechanism, a C-axis servo transmission mechanism arranged on the single-arm turntable, a rotary chuck base fixed above the C-axis servo transmission mechanism, and a chuck arranged on the top of the rotary chuck base; the single-arm turntable is hollowed out, so that the weight of the turntable is reduced, and the circuit layout can be reasonably performed.

However, because the length of the single-arm turntable is fixed, the size range which can be clamped by the five-axis turntable is fixed, and if a part which is larger than the clamping size range is inserted during processing, the five-axis turntable with the corresponding clamping size range needs to be replaced. And when the worker changes the five-axis turntable, the whole five-axis turntable is required to be disassembled and assembled, and the whole process needs to spend more time to influence the processing progress.

Disclosure of utility model

In view of the above, the present utility model aims to provide a direct-drive single-arm five-axis turntable, which can adjust the length of the single-arm turntable, so as to adapt to parts with different sizes, avoid the replacement of the swinging turntable during working, and ensure the working efficiency.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a five revolving stages of single armed of direct drive, includes the fixing base that can dismantle with the lathe bed and be connected, locates the inside A axle subassembly of fixing base, connect in the single armed revolving stage of A axle subassembly power take off, locate the C axle subassembly on the single armed revolving stage, be fixed in the carousel of C axle subassembly power take off and locate the chuck at carousel top, the single armed revolving stage includes linkage segment, installation segment and actuating assembly, the one end fixed connection of linkage segment the power take off of A axle subassembly, the other end of linkage segment slides and connects the installation segment, the C axle subassembly is located the inside of installation segment, actuating assembly locates the inside of linkage segment, actuating assembly's output is connected the installation segment is close to or keeps away from the linkage segment.

Through the technical scheme, the fixed seat ensures that the direct-drive single-arm five-axis turntable is connected stably, the A-axis assembly ensures that the single-arm turntable can rotate and swing around a transverse axis, and the C-axis assembly ensures that the turntable on the single-arm turntable can drive the chuck for fixing a workpiece to rotate around the axis in the vertical direction, so that the complex appearance and curved surface of a part can be completed by one-time clamping; and the inside drive assembly of linkage segment then can drive the installation segment and keep away from or be close to the linkage segment for install in the inside C axle subassembly of installation segment and the distance of A axle subassembly can be adjusted, thereby guarantee that direct-drive single-arm five-axis revolving stage can carry out the adaptation to the part of equidimension, avoid carrying out the change of swing revolving stage in the work, guarantee work efficiency

Preferably, the driving assembly comprises a driving motor, a screw rod and a guide rod, wherein the driving motor is fixed in the connecting section, one end of the screw rod is connected with an output shaft of the driving motor, the other end of the screw rod penetrates through the end face of the connecting section to be in threaded connection with the mounting section, one end of the guide rod is fixedly connected with four corners of the end face of the connecting section, which is close to the mounting section, of the connecting section, and the other end of the guide rod is in sliding connection with the mounting section.

Through above-mentioned technical scheme, when driving motor rotates, drive the lead screw rotation, because the threaded connection of lead screw and installation section, so the lead screw can drive the installation section and rotate together, but because the guide bar restriction in linkage segment four corners, so the installation section can't rotate, only can slide along the axis of guide bar to guarantee that the distance of linkage segment, installation section is adjustable stable.

Preferably, the installation section is outer to be detachably connected with a plurality of end to end and connects and be the baffle of rectangle, when the installation section is kept away from the linkage segment is to extreme position, the baffle cover is established the outside of linkage segment, installation section.

According to the technical scheme, the guide rod and the guide rod are protected by the baffle plate which is connected end to end and is rectangular, so that scraps are prevented from entering gaps between the connecting section and the mounting section during part processing, and the service lives of the guide rod and the guide rod are ensured; the baffle is detachably connected, so that later maintenance is convenient.

Preferably, waterproof rubber is sleeved at the end parts of the installation section and the connecting section, which are close to each other, and the outer wall of the waterproof rubber abuts against the inner wall of the baffle.

Through above-mentioned technical scheme, waterproof rubber blocks up the space between baffle and linkage segment, the installation section, guarantees that the cooling liquid when the part processing can not get into in the cavity that the baffle encloses, guarantees that the lead screw can not be impaired because of the cooling liquid, guarantees the precision and the life of lead screw.

Preferably, the guide rod comprises a sliding part and a limiting part, the diameter of the sliding part is smaller than that of the limiting part, the mounting section is close to the end face of the connecting section, a guide hole is formed in the end face of the connecting section, a limiting hole is formed in the bottom wall of the guide hole, the guide hole is matched with the sliding part, and the limiting hole is matched with the limiting part.

Through the technical scheme, the sliding part and the guide hole are matched to ensure that the direction of the installation section is stable when moving, and the limit part and the limit hole are matched to ensure that the installation section cannot exceed the maximum travel when the error transmission travel distance of an operator is ensured, so that the stable connection of the installation section and the connection section is ensured.

Preferably, a damping spring is arranged in the limiting hole, one end of the damping spring is connected with the limiting part, and the other end of the damping spring is connected with the bottom wall of the limiting hole.

Through the technical scheme, when the installation section is close to the connecting section, the damping spring reduces the collision impact force of the installation section and the connecting section, and the single-arm turntable is protected.

Preferably, hanging holes are symmetrically formed in the tops of the mounting section and the connecting section, and hanging rings are connected with the hanging holes in a threaded mode.

Through the technical scheme, the threaded connection of the four lifting holes and the four lifting rings ensures that the direct-drive single-arm five-axis turntable cannot be stressed on one side when being dismounted, and ensures the safety when being lifted and dismounted.

Drawings

FIG. 1 is a schematic diagram of an embodiment;

FIG. 2 is a cross-sectional view of an embodiment;

Fig. 3 is an enlarged view of a portion a of fig. 2;

FIG. 4 is a partial cross-sectional view of an embodiment;

Fig. 5 is an enlarged view of a portion B of fig. 4.

Reference numerals: 1. a fixing seat; 2. an A-axis assembly; 3. a single arm turntable; 31. a connection section; 32. a mounting section; 4. a C-axis assembly; 5. a turntable; 6. a chuck; 7. a drive assembly; 71. a driving motor; 72. a screw rod; 73. a guide rod; 731. a sliding part; 732. a limit part; 8. a baffle; 9. waterproof rubber; 10. a guide hole; 11. a limiting hole; 12. a damping spring; 13. a hanging hole; 14. and (5) hanging rings.

Detailed Description

The following detailed description of the utility model is provided in connection with the accompanying drawings to facilitate understanding and grasping of the technical scheme of the utility model.

The utility model provides a five revolving stages of single arm of direct drive, as shown in fig. 1, fig. 2, including the fixing base 1 that is connected with the lathe bed can dismantle, locate the inside A axle subassembly 2 of fixing base 1, connect in the single arm revolving stage 3 of the 2 power take off of A axle subassembly, locate C axle subassembly 4 on the single arm revolving stage 3, be fixed in the carousel 5 of the 4 power take off of C axle subassembly and locate chuck 6 at carousel 5 top.

As shown in fig. 1 and 2, the single-arm turntable 3 includes a connection section 31 and a mounting section 32, one end of the connection section 31 is fixedly connected with the power output end of the a-axis assembly 2, and the C-axis assembly 4 is disposed inside the mounting section 32. In order to facilitate the installation of the direct-drive single-arm five-axis turntable, hanging holes 13 are symmetrically formed in the tops of the installation section 32 and the connection section 31, and hanging rings 14 are connected with the hanging holes 13 in a threaded mode. The threaded connection of the four lifting holes 13 and the four lifting rings 14 ensures that the direct-drive single-arm five-axis turntable cannot be stressed on one side, and ensures the safety during lifting and dismounting.

As shown in fig. 2 and 3, the driving component 7 is disposed inside the connecting section 31, and an output end of the driving component 7 is connected with the mounting section 32 and drives the mounting section 32 to approach or separate from the connecting section 31. The outside of the installation section 32 can be detachably connected with a plurality of baffle plates 8 which are connected end to end and are rectangular, and when the installation section 32 is far away from the connection section 31 to the limit position, the baffle plates 8 are still sleeved outside the connection section 31 and the installation section 32. The end parts of the installation section 32 and the connection section 31, which are close to each other, are respectively sleeved with waterproof rubber 9, and the outer wall of the waterproof rubber 9 abuts against the inner wall of the baffle 8. The lead screw 72 and the guide rod 73 are protected by the baffle plate 8 which is connected end to end and takes a rectangular shape, so that scraps are prevented from entering a gap between the connecting section 31 and the mounting section 32 during part processing. The waterproof rubber 9 plugs up the gap between the baffle plate 8 and the connecting section 31 and the mounting section 32, so that cooling liquid in the processing of parts cannot enter the cavity surrounded by the baffle plate 8. Thereby ensuring the service life of the screw 72 and the guide bar 73. The baffle 8 is detachable, so that the later maintenance is convenient.

As shown in fig. 2, the drive assembly 7 includes a drive motor 71, a lead screw 72, and a guide rod 73. The driving motor 71 is fixed inside the connection section 31, one end of the screw 72 is connected with an output shaft of the driving motor 71, and the other end of the screw 72 passes through the end surface of the connection section 31 to be screwed with the mounting section 32. One end of the guide rod 73 is fixedly connected to four corners of the end face of the connecting section 31, which is close to the mounting section 32, and the other end of the guide rod 73 is slidingly connected with the mounting section 32. The screw rod 72 is driven to rotate by the rotation of the driving motor 71, and the screw rod 72 is in threaded connection with the mounting section 32, so that the screw rod 72 can drive the mounting section 32 to rotate together, but because the guide rods 73 at four corners of the connecting section 31 are limited, the mounting section 32 cannot rotate and can only slide along the axes of the guide rods 73, so that the mounting section 32 is far away from or close to the connecting section 31, and the distance between the connecting section 31 and the mounting section 32 is guaranteed to be adjustable and stable.

As shown in fig. 4 and 5, the guide rod 73 includes a sliding portion 731 and a stopper portion 732, and the diameter of the sliding portion 731 is smaller than the diameter of the stopper portion 732. The end face of the mounting section 32, which is close to the connecting section 31, is provided with a guide hole 10, and the bottom wall of the guide hole 10 is provided with a limit hole 11. And the guiding hole 10 is matched with the sliding part 731, and the limiting hole 11 is matched with the limiting part 732. Through the diameter that the diameter of the sliding part 731 and the guiding hole 10 fit, the spacing part 732 and the spacing hole 11 fit and the sliding part 731 is smaller than the diameter of the spacing part 732 to form the spacing between the connecting section 31 and the mounting section 32, when this spacing ensures that the operator loses the stroke distance by mistake, the mounting section 32 will not exceed the maximum stroke, and the stable connection of the mounting section 32 and the connecting section 31 is ensured.

As shown in fig. 5, a damper spring 12 is provided in the limiting hole 11, one end of the damper spring 12 is connected to the limiting portion 732, and the other end of the damper spring 12 is connected to the bottom wall of the limiting hole 11. The damping spring 12 is used for elastically connecting the limiting part 732 and the limiting hole 11, so that collision impact force when the mounting section 32 approaches the connecting section 31 is reduced, and the single-arm turntable 3 is protected.

Of course, the above is only a typical example of the utility model, and other embodiments of the utility model are also possible, and all technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the utility model claimed.

Claims

1. The utility model provides a five revolving stages of single armed of direct drive, includes fixing base (1) of being connected with the lathe bed can dismantle, locates inside A axle subassembly (2) of fixing base (1), is connected in single armed revolving stage (3) of A axle subassembly (2) power take off, locates C axle subassembly (4) on single armed revolving stage (3), is fixed in carousel (5) of C axle subassembly (4) power take off and locates chuck (6) at carousel (5) top, characterized by: the single-arm turntable (3) comprises a connecting section (31) and a mounting section (32), one end of the connecting section (31) is fixedly connected with the power output end of the A-axis assembly (2), the C-axis assembly (4) is arranged inside the mounting section (32), a driving assembly (7) is arranged inside the connecting section (31), and the output end of the driving assembly (7) is connected with the mounting section (32) and drives the mounting section (32) to be close to or far away from the connecting section (31).

2. The direct-drive single-arm five-axis turntable as claimed in claim 1, wherein: the driving assembly (7) comprises a driving motor (71), a screw rod (72) and a guide rod (73), wherein the driving motor (71) is fixed in the connecting section (31), one end of the screw rod (72) is connected with an output shaft of the driving motor (71), the other end of the screw rod (72) penetrates through the end face threaded connection of the connecting section (31) to the mounting section (32), one end of the guide rod (73) is fixedly connected to the four corners of the end face, close to the mounting section (32), of the connecting section (31), and the other end of the guide rod (73) is connected with the mounting section (32) in a sliding mode.

3. The direct-drive single-arm five-axis turntable as claimed in claim 2, wherein: the installation section (32) can be dismantled outward and be connected with a plurality of end to end and be baffle (8) that the rectangle is, works as installation section (32) keep away from connection section (31) to extreme position, baffle (8) cover is established the outside of connection section (31), installation section (32).

4. A direct drive single arm five axis turntable as claimed in claim 3, wherein: the waterproof rubber (9) is sleeved at the end parts of the installation section (32) and the connection section (31) which are close to each other, and the outer wall of the waterproof rubber (9) abuts against the inner wall of the baffle plate (8).

5. The direct-drive single-arm five-axis turntable as claimed in claim 2, wherein: guide bar (73) are including portion of sliding (731), spacing portion (732), the diameter of portion of sliding (731) is less than the diameter of spacing portion (732), mounting segment (32) are close to guiding hole (10) have been seted up to the terminal surface of linkage segment (31), spacing hole (11) have been seted up to the diapire of guiding hole (10), guiding hole (10) with portion of sliding (731) looks adaptation, spacing hole (11) with spacing portion (732) looks adaptation.

6. The direct-drive single-arm five-axis turntable as claimed in claim 5, wherein: damping springs (12) are arranged in the limiting holes (11), one ends of the damping springs (12) are connected with the limiting portions (732), and the other ends of the damping springs (12) are connected with the bottom wall of the limiting holes (11).

7. The direct-drive single-arm five-axis turntable as claimed in claim 1, wherein: hanging holes (13) are symmetrically formed in the tops of the mounting section (32) and the connecting section (31), and hanging rings (14) are connected with the hanging holes (13) in an internal thread mode.