CN217845612U

CN217845612U - Five first maintenance test devices

Info

Publication number: CN217845612U
Application number: CN202222083491.3U
Authority: CN
Inventors: 杨宇超; 俞鑫贵; 陈成斌; 章俊杰
Original assignee: Zhejiang Rifa Aviation Digital Equipment Co ltd
Current assignee: Zhejiang Rifa Aviation Digital Equipment Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-11-18
Anticipated expiration: 2032-08-09

Abstract

The utility model discloses a five-axis head overhaul test device, which comprises an overhaul stand frame and an overhaul stand, wherein the overhaul stand is fixedly connected on the overhaul stand frame and comprises a turbine speed reducer and a transmission shaft, a key groove of the transmission shaft is fixedly connected with a flat key, and the turbine speed reducer is connected with the flat key; the worm reducer is provided with a hand wheel. The maintenance rotating angle of the utility model is larger than 270 degrees, which is convenient for the disassembly and maintenance of the A shaft and the C shaft; the utility model adopts the turbine reducer with the reduction ratio of 1:100, and through manual operation, the hand wheel rotates a circle, the rotation angle is about 4 degrees, the five-shaft head is more convenient to disassemble manually, and the hand wheel is more labor-saving to rotate the control angle; the utility model discloses a worm gear transmission makes device itself have higher auto-lock nature, adopts reasonable muscle check to arrange, has enough support rigidity, and is while, and the stress point is located the central load department of five spindle noses, and each stress point atress is even, has guaranteed operator personal safety.

Description

Five first maintenance test devices

Technical Field

The utility model belongs to the technical field of overhaul the device, in particular to five first maintenance test devices.

Background

In conventional die machining, a vertical machining center is generally used to complete the machining of a workpiece. With the continuous development of the mold manufacturing technology, some weak points of the vertical machining center are more and more obvious.

The five-shaft head comprises an A shaft and a C shaft besides the traditional X shaft, Y shaft and Z shaft, and can simultaneously coordinate to move to process under the control of a computer numerical control system. At present, more and more machine tools adopting five-axis heads are applied in the market, and in order to ensure safety, the five-axis heads need to be periodically overhauled. And overhaul five spindle nose and then need rotate different angles, carry out the omnidirectional to it and overhaul, because overhaul to five spindle nose is mostly machine hoist and mount, inconvenient rotation to it is inconvenient to cause the maintenance of five spindle nose.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a five first maintenance test device, it has the convenient advantage of rotation.

The above technical object of the present invention can be achieved by the following technical solutions:

a five-axis head overhaul test device comprises an overhaul stand frame and an overhaul stand, wherein the overhaul stand is fixedly connected to the overhaul stand frame and comprises a turbine speed reducer and a transmission shaft, a flat key is fixedly connected to a key groove of the transmission shaft, and the turbine speed reducer is connected with the flat key; the worm reducer is provided with a hand wheel.

Further setting: the reduction ratio of the turbine speed reducer is 1: 100.

Further setting: the maintenance platform frame comprises a frame, a first bearing seat mounting plate and a second bearing seat mounting plate, wherein the first bearing seat mounting plate and the second bearing seat mounting plate are fixedly connected to one side of the frame; the turbine speed reducer is in threaded connection with the first bearing seat mounting plate.

Further setting: the maintenance platform is provided with a first bearing seat and a second bearing seat, and the first bearing seat and the second bearing seat are in threaded connection with the first bearing seat mounting plate and the second bearing seat mounting plate.

Further setting: the maintenance platform also comprises a first connecting plate and a second connecting plate, the first connecting plate consists of a first rotating shaft and a first pin shaft mounting plate, the first rotating shaft is fixedly connected with the first pin shaft mounting plate, and the transmission shaft is inserted into a square hole of the first rotating shaft; the second connecting plate is composed of a second rotating shaft and a second pin shaft mounting plate, and the second rotating shaft is fixedly connected with the second pin shaft mounting plate.

Further setting: the first rotating shaft and the second rotating shaft are fixedly connected with the first bearing seat and the second bearing seat through 7-shaped screws, and lubricating inlets are formed in the 7-shaped screws.

Further setting: the first pin shaft mounting plate and the second pin shaft mounting plate are provided with through holes.

Further setting: the five-shaft-head electric spindle is fixedly connected with the load bearing center through a pin shaft.

Further setting: the pin shaft is fixedly connected with the first pin shaft mounting plate and the second pin shaft mounting plate through holes arranged on the first pin shaft mounting plate and the second pin shaft mounting plate.

To sum up, the utility model discloses following beneficial effect has:

1. when in maintenance, the rotating angle is larger than 270 degrees, and the A shaft and the C shaft can be conveniently disassembled and maintained.

2. By adopting the turbine speed reducer with the reduction ratio of 1:100, through manual operation, the hand wheel rotates for one circle, the rotation angle is about 4 degrees, the five-shaft head is more convenient to disassemble manually, and the hand wheel is rotated to control the angle more laborsavingly.

3. The device has the advantages that the worm gear and the worm are adopted for transmission, the device has higher self-locking performance, reasonable rib grid arrangement is adopted, sufficient supporting rigidity is achieved, stress points are located at the central load position of the five-shaft head, stress of the stress points is uniform, and personal safety of an operator is guaranteed.

4. Simple structure, the installation of being convenient for to collect installation, measurement, maintenance in an organic whole, the function is many, promotes the productivity effect again when improving work efficiency.

Drawings

FIG. 1 is a schematic structural diagram of a five-axis head overhaul test device;

FIG. 2 is a front view of a five-axis head inspection test apparatus;

FIG. 3 is a left side view of a five-axis head overhaul test apparatus;

FIG. 4 is a right side view of a five-axis head overhaul test apparatus;

FIG. 5 is a top view of a five-axis head inspection test apparatus;

FIG. 6 is an isometric view of a working object of a five-axis head inspection test apparatus;

FIG. 7 is a schematic diagram of a five-axis head overhaul test device when a working object is at 45 degrees.

Reference numeral, 1, a service platform frame; 11. a frame; 12. a first bearing mount plate; 13. a second bearing block mounting plate;

2. an overhaul stand; 21. a turbo reducer; 211. a hand wheel; 22. a drive shaft; 221. a flat bond; 23. a first bearing housing; 24. a second bearing housing; 25. a first connecting plate; 251. a first rotating shaft; 252. a first pin shaft mounting plate; 26. a second connecting plate; 261. a second rotating shaft; 262. a second pin shaft mounting plate; 27. a 7-shaped screw; 31. and (7) a pin shaft.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1, a five-axis head overhaul test device according to a preferred embodiment includes an overhaul stand frame 1 and an overhaul stand 2, the overhaul stand 2 is fixedly connected to the overhaul stand frame 1, the overhaul stand 2 includes a turbine speed reducer 21 and a transmission shaft 22, a flat key 221 is fixedly connected to a key groove of the transmission shaft 22, and the turbine speed reducer 21 is connected with the flat key 221 in a key manner; a hand wheel 211 is arranged on the turbine reducer; the maintenance platform frame 1 comprises a frame 11, a first bearing seat mounting plate 12 and a second bearing seat mounting plate 13, wherein the first bearing seat mounting plate 12 and the second bearing seat mounting plate 13 are fixedly connected to one side of the frame 11; the turbo reducer 21 is screwed to the first bearing mount plate 12. The turbo-reducer 21 may be any of those known in the art and is not deployed here.

As shown in fig. 1 and 2, the maintenance platform 2 is provided with a first bearing seat 23 and a second bearing seat 24, and the first bearing seat 23 and the second bearing seat 24 are screwed on the first bearing seat mounting plate 12 and the second bearing seat mounting plate 13.

As shown in fig. 3, 4 and 5, the access platform 2 further includes a first connecting plate 25 and a second connecting plate 26, the first connecting plate 25 is composed of a first rotating shaft 251 and a first pin mounting plate 252, the first rotating shaft 251 is fixedly connected with the first pin mounting plate 252, and the transmission shaft 22 is inserted into the square hole of the first rotating shaft 251; the second connecting plate 26 is composed of a second rotating shaft 261 and a second pin shaft mounting plate 262, and the second rotating shaft 261 is fixedly connected with the second pin shaft mounting plate 262; the first rotating shaft 251 and the second rotating shaft 261 are fixedly connected with the first bearing block 23 and the second bearing block 24 through 7-shaped screws 27, lubricating inlets are formed in the 7-shaped screws 27, lubricating oil can be added, and the structure of the lubricating inlets is the prior art. The first pin mounting plate 252 and the second pin mounting plate 262 are provided with through holes.

As shown in fig. 5, a pin shaft 31 is connected to the center of the five-axis electric spindle for bearing load by screw threads, and the structure of the five-axis electric spindle is the prior art and is not unfolded here; the pin 31 is fixedly connected with the first pin mounting plate 252 and the second pin mounting plate 262 through the through holes arranged on the first pin mounting plate 252 and the second pin mounting plate 262.

As shown in fig. 6, the frame 11 of the service platform frame 1 is a welded square hollow tube, and the first bearing seat mounting plate 12 and the second bearing seat mounting plate 13 are welded above the frame 11, so that the structure is stable. The first bearing seat 23 and the second bearing seat 24 are fixed on the first bearing seat mounting plate 12 and the second bearing seat mounting plate 13 through threaded connection, and are convenient to assemble and disassemble. The first rotating shaft 251, the second rotating shaft 261 and the two pin shafts 31 are arranged on the first connecting plate 25 and the second connecting plate 26 which are formed by welding. The first rotating shaft 251 and the second rotating shaft 261 are in clearance fit with the first bearing seat 23 and the second bearing seat 24, are flexible to rotate and are fixed by the 7-shaped screw 27, and two lubricating inlets are formed in the edge of the 7-shaped screw 27, so that lubricating oil can be conveniently added. The square hole clearance fit of transmission shaft 22 and first pivot 251, flat key 221 is fixed in the keyway department of transmission shaft 22, and with the take hand wheel 211, the speed reduction ratio is 1 turbine reducer 21 key-type connection of 100, installation, maintenance convenient and fast. The turbo reducer 21 is screwed to the first bearing mount plate 12.

When the five-axis head is installed, 8 pin shafts 31 are in threaded connection with eight screw holes in the center of a load bearing center of an electric spindle of the five-axis head, then a machine hoists four hoisting rings on the electric spindle to be arranged on the overhaul table 2, through-hole threaded connection plates are arranged on the 8 pin shafts 31, the first pin shaft mounting plate 252 and the second pin shaft mounting plate 262, and after the installation is finished, the 7-shaped screw 27 is screwed down.

As shown in fig. 7, in the working process, the pin 31 is in threaded connection with the electric spindle, the machine is used to hoist the lifting rings at four positions of the electric spindle, the lifting rings and the electric spindle of the electric spindle are any one of the lifting rings and the electric spindle in the prior art, the electric spindle is lifted to the maintenance platform 2, the pin 31 is in threaded connection with the first connecting plate 25 and the second connecting plate 26, the 7-shaped screw is tightened, and the hand wheel 211 can be rotated by manual operation, so that rotary maintenance, measurement and the like can be performed.

The above-mentioned embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the present invention.

Claims

1. The utility model provides a five first maintenance test device, includes maintenance platform frame (1) and maintenance platform (2), maintenance platform (2) fixed connection on maintenance platform frame (1), its characterized in that: the maintenance platform (2) comprises a turbine speed reducer (21) and a transmission shaft (22), a flat key (221) is fixedly connected to a key groove of the transmission shaft (22), and the turbine speed reducer (21) is connected with the flat key (221) in a key mode; the worm reducer is provided with a hand wheel (211).

2. The five-axis head overhaul test device according to claim 1, wherein the reduction ratio of the turbine speed reducer (21) is 1: 100.

3. The five-axis head overhaul test device according to claim 1, wherein the overhaul stand frame (1) comprises a frame (11), a first bearing seat mounting plate (12) and a second bearing seat mounting plate (13), and the first bearing seat mounting plate (12) and the second bearing seat mounting plate (13) are fixedly connected to one surface of the frame (11); the turbine speed reducer (21) is in threaded connection with the first bearing seat mounting plate (12).

4. The five-axis head overhaul test device according to claim 3, wherein a first bearing seat (23) and a second bearing seat (24) are arranged on the overhaul stand (2), and the first bearing seat (23) and the second bearing seat (24) are in threaded connection with the first bearing seat mounting plate (12) and the second bearing seat mounting plate (13).

5. The five-axis head overhaul test device according to claim 1, wherein the overhaul stand (2) further comprises a first connecting plate (25) and a second connecting plate (26), the first connecting plate (25) consists of a first rotating shaft (251) and a first pin shaft mounting plate (252), the first rotating shaft (251) is fixedly connected with the first pin shaft mounting plate (252), and the transmission shaft (22) is inserted into a square hole of the first rotating shaft (251); the second connecting plate (26) is composed of a second rotating shaft (261) and a second pin shaft mounting plate (262), and the second rotating shaft (261) is fixedly connected with the second pin shaft mounting plate (262).

6. The five-axis head overhaul test device according to claim 5, wherein the first rotating shaft (251) and the second rotating shaft (261) are fixedly connected with the first bearing block (23) and the second bearing block (24) through 7-shaped screws (27), and lubricating inlets are formed in the 7-shaped screws (27).

7. The five-axis head overhaul test device according to claim 5, wherein the first pin shaft mounting plate (252) and the second pin shaft mounting plate (262) are provided with through holes.

8. The five-axis head overhaul test device according to claim 5, further comprising a pin shaft (31), wherein the pin shaft (31) is fixedly connected to the center of a load bearing center of the electric spindle of the five-axis head.

9. The five-axis head overhaul test device according to claim 8, wherein the pin shaft (31) is fixedly connected with the first pin shaft mounting plate (252) and the second pin shaft mounting plate (262) through holes formed in the first pin shaft mounting plate (252) and the second pin shaft mounting plate (262).