CN211539910U

CN211539910U - Five-axis linkage device of laser processing equipment

Info

Publication number: CN211539910U
Application number: CN201922240083.2U
Authority: CN
Inventors: 孙福臻; 姜波; 吴一凡
Original assignee: Yantai Branch Of Beijing Machine Science Guochuang Lightweight Research Institute Co ltd
Current assignee: Yantai Branch Of Beijing Machine Science Guochuang Lightweight Research Institute Co ltd
Priority date: 2019-12-14
Filing date: 2019-12-14
Publication date: 2020-09-22
Anticipated expiration: 2029-12-14

Abstract

The utility model provides a five-axis linkage device of laser processing equipment, which comprises an upper box body and a lower box body, wherein an upper driving device is arranged in the upper box body, the upper driving part comprises an upper servo motor, an upper brake system and an upper harmonic speed reducer, the fixed end of the upper harmonic speed reducer is fixedly connected with the upper box body, and the output end of the upper harmonic speed reducer is fixedly connected with the lower box body; the lower box is internally provided with a lower driving device, the lower driving device comprises a lower servo motor, a lower harmonic speed reducer and a lower brake system, the fixed end of the lower harmonic speed reducer is fixedly connected with the lower box, the output end of the lower harmonic speed reducer is connected with an installation shaft on one side of the lower box, and a transfer plate is arranged below the lower box. The utility model discloses the structure is retrencied, has replaced complicated structure of overstaffed, has solved five parts and has maintained, the maintenance difficulty, and reduce cost installs the stopper on lower box, avoids appearing rotatory excessively and damages the condition such as work piece or equipment.

Description

Five-axis linkage device of laser processing equipment

Technical Field

The utility model belongs to the machining equipment field, specifically speaking relates to a five-axis linkage of laser beam machining equipment.

Background

Along with the continuous improvement of processing requirement, need more and more carry out groove preparation to panel, and current laser processing equipment is mostly triaxial motion, can only be along X, Y, Z axle and do linear motion, can not do rotary motion, can't satisfy demands such as cutting circular arc, groove, few five-axis parts form differs again, nevertheless because equipment requires high rotational speed, high rigidity, mostly all adopt complicated heavy structure, the precision is low, occupation space is big, maintain, the maintenance difficulty, the cost is higher. The five-axis key component can be directly arranged on a sliding plate of a Z-axis sliding rail of laser processing equipment to serve as two rotating shafts of the equipment, and can rotate around an X axis and a Y axis in the processing process to process various shapes such as circular arcs, grooves and the like on a plate.

SUMMERY OF THE UTILITY MODEL

The utility model provides a five-axis linkage of laser beam machining equipment has solved that the structure is complicated among the background art, the precision is low, occupation space is big, maintenance difficulty, the higher shortcoming of cost.

The technical scheme of the utility model is realized like this: a five-axis linkage device of laser processing equipment comprises an upper box body and a lower box body, wherein an upper driving device is arranged in the upper box body, the upper driving part comprises an upper servo motor, an upper brake system and an upper harmonic speed reducer, the fixed end of the upper harmonic speed reducer is fixedly connected with the upper box body, and the output end of the upper harmonic speed reducer is fixedly connected with the lower box body; a lower driving device is arranged in the lower box body and comprises a lower servo motor, a lower harmonic speed reducer and a lower brake system, the fixed end of the lower harmonic speed reducer is fixedly connected with the lower box body, the output end of the lower harmonic speed reducer is connected with an installation shaft at one side of the lower box body, a transfer plate is arranged below the lower box body, one side of the transfer plate is connected with the installation shaft, the output end of the lower servo motor is positioned through the installation shaft and is connected with the transfer plate, a bushing and a bearing end cover are fixedly arranged at the other side of the lower box body, a bearing and a check ring are arranged in the bushing, and a pin shaft is;

preferably, the lower box body is provided with an upper limit block and a lower limit block;

preferably, the length of the check ring is greater than that of the bushing, and a labyrinth structure is adopted at the contact position of the check ring and the bushing.

The utility model has the advantages that: the utility model integrates the harmonic speed reducer, the servo motor and the brake system by adopting the driving part, has high precision, simple structure, space saving, cost reduction and convenient installation, maintenance and repair, and the brake system can prevent the laser from colliding with the workpiece due to power failure and protect the workpiece and the laser; the use of the mounting shaft can prevent the whole adapter plate from being unusable due to errors in the design or machining process, effectively improve the fault-tolerant rate and reduce the potential cost; and a totally-enclosed structure is adopted, so that dust generated by external processing cannot enter the driving part and the bearing, and the service life of the equipment is prolonged.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a rear view of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 according to the present invention;

fig. 4 is a schematic sectional view taken along the direction B-B of fig. 2 according to the present invention.

Description of the parts: 1. go up the box, 2, lower box, 3, go up servo motor, 4, servo motor down, 5, installation axle, 6, the ankle socks, 7, bearing end cover, 8, bearing, 9, retaining ring, 10, keysets, 11, round pin axle, 12, stopper, 13, front shroud, 14, back shroud, 15, upper cover plate, 16, side shroud, 17, last braking system, 18, last harmonic speed reducer, 19, lower harmonic speed reducer, 20, lower braking system.

Detailed Description

For a better understanding and appreciation of the invention, it will be further described in connection with the accompanying drawings: a five-axis linkage device of laser processing equipment comprises an upper box body 1, a lower box body 2, an upper servo motor 3, an upper harmonic speed reducer 18, an upper brake system 17, a lower servo motor 4, a lower harmonic speed reducer 19, a lower brake system 20, a mounting shaft 5, a bushing 6, a bearing end cover 7, a bearing 8, a retainer ring 9, a pin shaft 11, an adapter plate 10, a limiting block 12, a front cover plate 13, a rear cover plate 14, an upper cover plate 15 and a side cover plate 16.

The upper box body 1 is directly fixed on a sliding plate of an equipment sliding rail, an installation process hole is reserved on the upper box body 1, an upper driving part consists of an upper servo motor 3, an upper brake system 17 and an upper harmonic speed reducer 18, the fixed end of the upper harmonic speed reducer 18 is fixed through the installation hole of the upper box body 1, and the output end of the upper harmonic speed reducer is fixed with the lower box body 2 through the installation hole; the rotating motion of the A shaft of the laser adopts an H-shaped structure, the lower driving part consists of a lower servo motor 4, a lower harmonic speed reducer 19 and a lower brake system 20, the fixed end of the lower harmonic speed reducer 19 is fixed with the lower box body 2 through a mounting hole, a mounting process hole is reserved on the other side of the lower box body 2, the output end of the lower harmonic speed reducer 19 is positioned through a mounting shaft 5 to ensure the precision and is connected with an adapter plate 10, the adapter plate 10 is provided with the laser for processing to form a moving shaft which drives the adapter plate 10 to rotate, the other side movement auxiliary structure consists of a pin shaft 11, a bush 6, a bearing 8, a bearing end cover 7 and a check ring 9, the contact part of the check ring 9 and the bush 6 adopts a labyrinth structure to form a dustproof mechanism together with the bearing end cover 7, thereby effectively preventing dust from entering, and the bearing 8 not only ensures that the A shaft can meet the requirement of high-, the precision is guaranteed, meanwhile, the length of the check ring 9 made of the wear-resistant material exceeds the certain length of the lining 6, and therefore the direct contact between the A-shaft rotating part and the lining 6 is avoided, and the lining is abraded.

The utility model discloses replaced traditional reducing gear box and servo motor and be connected the structure of the complicacy overstaffe such as, solved five parts of processing equipment and dismantled, maintain the difficulty to simple structure has reduced the use of raw and other materials by a wide margin, has not only reduced the cost, also has certain green value. Additionally, the utility model discloses installed two stoppers on the box down, avoided appearing because the rotatory condition such as damage work piece or equipment that excessively causes of A axle, guarantee the security.

During the use, the upper driving part and the lower driving part move in a matched mode as required to drive the B shaft of the laser to rotate around the Z shaft, the A shaft rotates around the X shaft, meanwhile, the lower servo motor 4 drives the pin shaft 11 to rotate, the five-shaft component is driven by the sliding table on the equipment to move transversely to process a workpiece, and when the A shaft or the B shaft does not need to change the position, the upper servo motor 3 or the lower servo motor 4 can be driven independently to keep the shaft still.

When power is suddenly cut off, the upper brake system 17 ensures that the lower box stops rotating and keeps the position, and the lower brake system 20 ensures that the adapter plate 2 stops rotating and keeps the position from falling, so that the laser cannot collide with a workpiece. After the workpiece is machined, the upper servo motor 3 and the lower servo motor 4 move to enable the equipment to return to the initial position.

Claims

1. A five-axis linkage device of laser processing equipment comprises an upper box body (1) and a lower box body (2), and is characterized in that an upper driving device is arranged in the upper box body (1), the upper driving device comprises an upper servo motor (3), an upper braking system (17) and an upper harmonic speed reducer (18), the fixed end of the upper harmonic speed reducer (18) is fixedly connected with the upper box body (1), and the output end of the upper harmonic speed reducer is fixedly connected with the lower box body (2); be equipped with lower drive arrangement in lower box (2), lower drive arrangement includes servo motor (4), lower harmonic speed reducer (19) and lower braking system (20) down, the stiff end and lower box (2) fixed connection of lower harmonic speed reducer (19), its output are connected with installation axle (5) of lower box (2) one side, and box (2) below is equipped with keysets (10) down, keysets (10) one side is connected with installation axle (5), and the output of lower servo motor (4) is fixed a position and is linked to each other with keysets (10) through installation axle (5), box (2) opposite side is fixed down and is equipped with bush (6) and bearing end cover (7), is equipped with bearing (8) and retaining ring (9) in bush (6), and keysets (10) opposite side is equipped with round pin axle (11).

2. The five-axis linkage device of the laser processing equipment as claimed in claim 1, characterized in that the lower box body (2) is provided with an upper and a lower limit blocks (12).

3. The five-axis linkage device of the laser processing equipment as claimed in claim 1 or 2, characterized in that the length of the retainer ring (9) is greater than that of the bush (6), and a labyrinth structure is adopted at the contact part of the retainer ring (9) and the bush (6).