CN211276537U

CN211276537U - Milling machine spindle structure

Info

Publication number: CN211276537U
Application number: CN201922375945.2U
Authority: CN
Inventors: 潘扶升
Original assignee: Zhangzhou Ruiting Mechanical Equipment Co Ltd
Current assignee: Zhangzhou Ruiting Mechanical Equipment Co Ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-08-18
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a milling machine main shaft structure, including fixed knot structure, connection structure and spindle unit, through installation fixed knot structure, the front and back end of bearing all is equipped with revealing that the sealing ring can effectual reduction hydraulic oil, guarantee inside pressure, thereby provide effectual supporting pressure, through setting up multiunit navigation key, can make the quick accurate location of equipment, set screw's installation, make the fixed connection of each part together, good stability, through setting up first bearing and second bearing, make the main shaft be convenient for the positioning, the precision is high, and is with low costs, the cutting ability has been strengthened, and, make axle sleeve both sides atress average, the life of reinforcing equipment, the both ends of axle sleeve are equipped with the labyrinth end cover, play sealed dustproof effect, the labyrinth end cover agrees with each other with second clearance adjustment ring, further improve sealed dirt-proof effect.

Description

Milling machine spindle structure

Technical Field

The utility model relates to a milling machine equipment technical field specifically is a milling machine main shaft structure.

Background

The milling machine mainly refers to a machine tool for processing various surfaces of a workpiece by using a milling cutter. The milling machine can mill planes, grooves, gear teeth, threads and spline shafts, can also process complex molded surfaces, has higher efficiency than a planer, and is widely applied to mechanical manufacturing and repairing departments. The milling machine spindle refers to a shaft on a machine tool, which drives a workpiece or a cutter to rotate. The spindle unit is generally composed of a spindle, a bearing, a transmission member, and the like. The machine is mainly used for supporting transmission parts such as gears and belt wheels, transmitting motion and torque, such as a machine tool spindle, and clamping workpieces such as spindles.

However, the spindle of the existing milling machine is not only complex in structure and inconvenient to assemble, but also low in assembly precision, poor in heavy cutting capability and high in manufacturing cost, and is only connected with the spindle and a spindle hole through a bearing in the production process, so that the impact load bearing capability is poor, the service life of the bearing is short under high-speed heavy load, and the machine body is easily damaged.

To above-mentioned problem, for the convenience equipment assembly, reduce cost reduces the damage of equipment, the utility model provides a milling machine main shaft structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a milling machine main shaft structure has with low costs, long service life and bearing capacity advantage, has solved the problem among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a milling machine spindle structure comprises a fixing structure, a connecting structure and a spindle device, wherein the fixing structure is connected to the side end of the spindle device, the connecting structure is arranged at the upper end of the spindle device, the fixing structure comprises a supporting device, a tool handle and a pull claw, one end of the tool handle is connected with the supporting device, and the other end of the tool handle is connected with the pull claw; the connecting structure comprises a main shaft box body, a main shaft bushing, a cylindrical roller bearing, a flange pipe, a positioning key, a connecting block and a dustproof ring, wherein the main shaft box body is arranged at the upper end of the connecting block; the main shaft device comprises a first clearance adjusting ring, a first bearing, an adjusting ring, a shaft sleeve, a second bearing, a labyrinth end cover, a second clearance adjusting ring, a fixing screw and a main shaft, wherein the first clearance adjusting ring is installed at the upper end of the main shaft, the first bearing is arranged at one side end of the first clearance adjusting ring, the adjusting ring is arranged at the other side end of the first bearing, the shaft sleeve is installed at the upper end of the first bearing, the labyrinth end cover is installed at the upper end of the second clearance adjusting ring, and the fixing screw is fixed at the upper end of the labyrinth end cover.

Further, strutting arrangement includes supporting shoe, extension post, sealing ring, roller bearing, through-hole, protective housing and hydraulic oil, and the supporting shoe is installed in roller bearing's upper end, and the sealing ring is installed in roller bearing's a side end, and the through-hole setting is at roller bearing's another side end, and extension post installs the lower extreme at roller bearing, and the protective housing is installed at roller bearing's lower extreme, and hydraulic oil sets up the lower extreme at the protective housing.

Further, the fixing screw includes a first screw hole and a second screw hole, and the first screw hole is provided at a side end of the second screw hole.

Furthermore, the upper end and the lower end of the main shaft are provided with a first bearing and a second bearing, and the first bearing and the second bearing are respectively provided with two groups.

Further, the labyrinth end cover is matched with the second gap adjusting ring.

Furthermore, the positioning keys are provided with a plurality of groups.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a pair of milling machine main shaft structure, through installation fixed knot structure, the handle of a knife can make equipment have better bearing capacity with roller bearing, and packs hydraulic oil in the gap between extension post and through-hole and can assist the bearing, and all is equipped with revealing that the sealing ring can effectual reduction hydraulic oil at the front and back end of bearing, guarantees inside pressure to provide effectual bearing pressure.

2. The utility model provides a pair of milling machine main shaft structure through setting up multiunit navigation key, can make the quick accurate location of equipment, and set screw's installation makes the connection that each part is fixed together, and stability is good.

3. The utility model provides a pair of milling machine main shaft structure through setting up first bearing and second bearing for the main shaft is convenient for the positioning, and the precision is high, and is with low costs, has strengthened cutting ability, and, makes the atress of axle sleeve both sides average, strengthens the life of equipment, and the both ends of axle sleeve are equipped with the labyrinth end cover, play sealed dustproof effect, and the labyrinth end cover agrees with each other with second clearance adjusting collar, further improves sealed dirt-proof effect.

Drawings

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

FIG. 2 is a schematic view of the fixing structure of the present invention;

fig. 3 is a schematic view of a partial structure of the present invention.

In the figure: 1. a fixed structure; 11. a support device; 111. a support block; 112. extending the column; 113. a seal ring; 114. a roller bearing; 115. a through hole; 116. a protective shell; 117. hydraulic oil; 12. a knife handle; 13. pulling a claw; 2. a connecting structure; 21. a main shaft box body; 22. a main shaft bushing; 23. a cylindrical roller bearing; 24. a flange pipe; 25. a positioning key; 26. connecting blocks; 27. a dust ring; 3. a spindle device; 31. a first gap adjusting ring; 32. a first bearing; 33. adjusting the ring; 34. a shaft sleeve; 35. a second bearing; 36. a labyrinth end cover; 37. a second gap adjusting ring; 38. a set screw; 381. a first screw hole; 382. a second screw hole; 39. a main shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a milling machine spindle structure includes a fixing structure 1, a connecting structure 2 and a spindle device 3, the fixing structure 1 is connected to a side end of the spindle device 3, the connecting structure 2 is disposed at an upper end of the spindle device 3, the fixing structure 1 includes a supporting device 11, a tool shank 12 and a pulling claw 13, one end of the tool shank 12 is connected to the supporting device 11, the supporting device 11 includes a supporting block 111, an extending column 112, a sealing ring 113, a roller bearing 114, a through hole 115, a protective shell 116 and hydraulic oil 117, the supporting block 111 is disposed at an upper end of the roller bearing 114, the sealing ring 113 is disposed at a side end of the roller bearing 114, the through hole 115 is disposed at another side end of the roller bearing 114, the extending column 112 is disposed at a lower end of the roller bearing 114, the protective shell 116 is disposed at a lower end of the roller bearing 114, the hydraulic oil 117 is disposed, the equipment has better bearing capacity by the aid of the roller bearings 114 and the tool handle 12, hydraulic oil 117 is filled in gaps between the extension columns 112 and the through holes 115 to assist bearing capacity of the bearings, sealing rings 113 are arranged at the front ends and the rear ends of the bearings to effectively reduce leakage of the hydraulic oil 117 and ensure internal pressure, so that effective supporting pressure is provided, the connecting structure 2 comprises a spindle box body 21, a spindle bush 22, a cylindrical roller bearing 23, a flange pipe 24, a positioning key 25, a connecting block 26 and a dustproof ring 27, the spindle box body 21 is arranged at the upper end of the connecting block 26, the flange pipe 24 is welded at the side end of the spindle box body 21, the cylindrical roller bearing 23 is arranged at the side end of the connecting block 26, the bush 22 is arranged at the side end of the cylindrical roller bearing 23, the dustproof ring 27 is arranged at the lower end of the spindle bush 22, the positioning key 25 is arranged at the lower end of the, the main shaft device 3 comprises a first clearance adjusting ring 31, a first bearing 32, an adjusting ring 33, a shaft sleeve 34, a second bearing 35, a labyrinth end cover 36, a second clearance adjusting ring 37, a fixing screw 38 and a main shaft 39, wherein the first clearance adjusting ring 31 is installed at the upper end of the main shaft 39, the first bearing 32 is arranged at one side end of the first clearance adjusting ring 31, the adjusting ring 33 is arranged at the other side end of the first bearing 32, the shaft sleeve 34 is installed at the upper end of the first bearing 32, the first bearing 32 and the second bearing 35 are respectively provided with two groups, the labyrinth end cover 36 is installed at the upper end of the second clearance adjusting ring 37, the fixing screw 38 is fixed at the upper end of the labyrinth end cover 36, the main shaft 39 is convenient to assemble and position by arranging the first bearing 32 and the second bearing 35, the precision is high, the cost is low, the cutting capability is enhanced, and the two sides of the shaft sleeve 34 are stressed averagely, the life of reinforcing equipment, the both ends of axle sleeve 34 are equipped with labyrinth end cover 36, play sealed dustproof effect, and labyrinth end cover 36 agrees with each other with second clearance adjustment ring 37, further improves sealed dirt-proof effect, and set screw 38 includes first screw hole 381 and second screw hole 382, and first screw hole 381 sets up the side at second screw hole 382, and set screw 38's installation makes the fixed connection of each part together, and stability is good.

In summary, the following steps: the utility model provides a milling machine main shaft structure, including fixed knot structure 1, connection structure 2 and spindle unit 3, through installation fixed knot structure 1, the handle of a knife 12 and roller bearing 114 can make equipment have better bearing capacity, and pack hydraulic oil 117 in the gap between extension post 112 and through-hole 115 can assist the bearing, and all be equipped with sealing ring 113 in the front and back end of bearing can effectively reduce the leakage of hydraulic oil 117, guarantee the internal pressure, thereby provide effective supporting pressure, through setting up multiunit navigation key 25, can make quick accurate location of equipment, the installation of set screw 38, make the fixed connection of each part together, good stability, through setting up first bearing 32 and second bearing 35, make main shaft 39 convenient for the positioning, the precision is high, low cost, cutting ability has been strengthened, and, make axle sleeve 34 both sides atress average, the service life of the device is prolonged, the labyrinth end covers 36 are arranged at two ends of the shaft sleeve 34 to play a role in sealing and dust prevention, and the labyrinth end covers 36 are matched with the second gap adjusting ring 37, so that the effect of sealing and dust prevention is further improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a milling machine main shaft structure, includes fixed knot structure (1), connection structure (2) and main shaft device (3), and the side at main shaft device (3) is connected in fixed knot structure (1), and connection structure (2) set up the upper end at main shaft device (3), its characterized in that: the fixing structure (1) comprises a supporting device (11), a knife handle (12) and a pull claw (13), one end of the knife handle (12) is connected with the supporting device (11), and the other end of the knife handle is connected with the pull claw (13); the connecting structure (2) comprises a main shaft box body (21), a main shaft bushing (22), a cylindrical roller bearing (23), a flange pipe (24), a positioning key (25), a connecting block (26) and a dustproof ring (27), wherein the main shaft box body (21) is installed at the upper end of the connecting block (26), the flange pipe (24) is welded at the side end of the main shaft box body (21), the cylindrical roller bearing (23) is installed at the side end of the connecting block (26), the main shaft bushing (22) is arranged at the side end of the cylindrical roller bearing (23), the dustproof ring (27) is arranged at the lower end of the main shaft bushing (22), and the positioning key (25) is installed at the lower end of the connecting block (26); the spindle device (3) comprises a first gap adjusting ring (31), a first bearing (32), an adjusting ring (33), a shaft sleeve (34), a second bearing (35), a labyrinth end cover (36), a second gap adjusting ring (37), a fixing screw (38) and a spindle (39), wherein the first gap adjusting ring (31) is installed at the upper end of the spindle (39), the first bearing (32) is arranged at one side end of the first gap adjusting ring (31), the adjusting ring (33) is arranged at the other side end of the first bearing (32), the shaft sleeve (34) is installed at the upper end of the first bearing (32), the labyrinth end cover (36) is installed at the upper end of the second gap adjusting ring (37), and the fixing screw (38) is fixed at the upper end of the labyrinth end cover (36).

2. A milling machine spindle structure according to claim 1, wherein: the supporting device (11) comprises a supporting block (111), an extending column (112), a sealing ring (113), a roller bearing (114), a through hole (115), a protective shell (116) and hydraulic oil (117), the supporting block (111) is installed at the upper end of the roller bearing (114), the sealing ring (113) is installed at one side end of the roller bearing (114), the through hole (115) is arranged at the other side end of the roller bearing (114), the extending column (112) is installed at the lower end of the roller bearing (114), the protective shell (116) is installed at the lower end of the roller bearing (114), and the hydraulic oil (117) is arranged at the lower end of the protective shell (116).

3. A milling machine spindle structure according to claim 1, wherein: the fixing screw (38) includes a first screw hole (381) and a second screw hole (382), and the first screw hole (381) is provided at a side end of the second screw hole (382).

4. A milling machine spindle structure according to claim 1, wherein: the upper end and the lower end of the main shaft (39) are provided with a first bearing (32) and a second bearing (35), and the first bearing (32) and the second bearing (35) are respectively provided with two groups.

5. A milling machine spindle structure according to claim 1, wherein: the labyrinth end cover (36) is matched with the second gap adjusting ring (37).

6. A milling machine spindle structure according to claim 1, wherein: the positioning keys (25) are provided with a plurality of groups.