CN218294250U

CN218294250U - High-strength transmission shaft of numerical control machine tool

Info

Publication number: CN218294250U
Application number: CN202221692471.XU
Authority: CN
Inventors: 江国群; 胡礼钟
Original assignee: Yangzhou Wankun Mechanical Equipment Co ltd
Current assignee: Yangzhou Wankun Mechanical Equipment Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2023-01-13
Anticipated expiration: 2032-06-30

Abstract

The utility model discloses a digit control machine tool high strength transmission shaft relates to digit control machine tool accessory technical field, first connecting rod and second connecting rod including detachable connections, the outer end of first connecting rod and second connecting rod all is equipped with allies oneself with the spindle nose, square groove has been seted up to the connection terminal surface of first connecting rod, the connection terminal surface of second connecting rod is equipped with square convex block, square groove and square convex block looks adaptation, the straight notch has just all been seted up to both sides to first connecting rod, the straight notch's the straight edge of below is just to square concave groove, two screw holes have been seted up to two points department's that first connecting rod is located the straight notch runs through, square convex block is last to correspond and has been seted up two screw holes, the threaded hole in-connection has the fastener, square concave groove and square convex block through setting up the looks adaptation, make the structure more easily by the dismouting, and connect all more firmly in all directions.

Description

High-strength transmission shaft of numerical control machine tool

Technical Field

The utility model relates to a digit control machine tool accessory technical field, more specifically say, it relates to a digit control machine tool high strength transmission shaft.

Background

The transmission shaft is a high rotational speed, the rotator of few supporting, and the intermediate junction pole portion of present transmission shaft divide into a whole shaft-like structure, to the longer transmission shaft of connecting rod, needs great collection dress space, is difficult for depositing, and if because local damage, lead to whole transmission shaft all to be unable to use, be CN 209557467U's a transmission shaft like the mandate bulletin number, including the connecting rod with locate the spindle nose at connecting rod both ends, the connecting rod forms through the laminating spacing connection of first connecting rod components of a whole that can function independently and second connecting rod components of a whole that can function independently, and the laminating link of first connecting rod components of a whole that can function independently and second connecting rod components of a whole that can function independently passes through fastening components can dismantle fixed connection. The structure is assembled by the two split connecting rod assemblies, and has the advantages of convenience in assembly and convenience in storage before assembly, but the structure assembled from top to bottom is insufficient in stability along an assembly splicing surface and easy to deflect, certain hidden dangers exist for a high-speed rotating transmission shaft, and therefore the high-strength transmission shaft of the numerical control machine tool is provided.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a numerical control machine tool high strength transmission shaft that package assembly is more practical.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a digit control machine tool high strength transmission shaft, first connecting rod and second connecting rod including detachable connections, the outer end of first connecting rod and second connecting rod all is equipped with the antithetical couplet spindle nose, square groove has been seted up to the connecting end face of first connecting rod, the connecting end face of second connecting rod is equipped with square convex block, square groove and square convex block looks adaptation, the notch is all seted up to both sides to first connecting rod, the straight notch's the positive long limit to square groove in below, two screw holes have been seted up in two points department that first connecting rod is located the straight notch run through, two screw holes have been seted up in the last correspondence of square convex block, the threaded hole in-connection has the fastener.

Preferably, a plurality of conical grooves are formed in the square groove at the opening in a linear array mode, and a plurality of conical blocks are arranged on the square convex block at the connecting end face of the second connecting rod in a linear array mode.

Preferably, the plurality of tapered slots are arranged at the upper and lower long edges of the square groove, and the plurality of tapered blocks are arranged at the upper and lower long edges of the square bump.

Preferably, the depth of the tapered groove is between the square groove depth and the length of the tapered block is matched with the depth of the tapered groove.

Preferably, the lowest point depth of the rebate is no less than the height of the fastener top.

Preferably, the fastener is configured as a socket head cap screw.

Preferably, the end face of the shaft coupling head is provided with an inner groove.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. through the square groove and the square convex block which are arranged in a matched manner, the structure is easier to disassemble and assemble, and the connection in all directions is more stable, convenient and practical.

2. Through the conical block of the conical groove box with the matched shape, the connecting effect is improved under the condition that the disassembly and the assembly are not influenced.

Drawings

FIG. 1 is an exploded view of an embodiment of the present invention;

fig. 2 is a schematic view of a first link according to an embodiment of the present invention;

FIG. 3 is a schematic view of a second link according to an embodiment of the present invention;

fig. 4 is a schematic view of a structural combination according to an embodiment of the present invention.

In the figure: 1. a first link; 11. a square groove; 12. a tapered groove; 13. a straight slot opening; 14. a threaded hole; 2. a second link; 21. a square bump; 22. a conical block; 3. a coupling head; 31. an inner groove; 4. a fastener.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

The utility model provides a digit control machine tool high strength transmission shaft, please refer to fig. 1 to 4, first connecting rod 1 and second connecting rod 2 including detachable connections, the outer end of first connecting rod 1 and second connecting rod 2 all is equipped with and allies oneself with spindle nose 3, it is used for being connected with the shaft coupling to ally oneself with spindle nose 3, square groove 11 has been seted up to the connection terminal surface of first connecting rod 1, the connection terminal surface of second connecting rod 2 is equipped with square bump 21, through square groove 11 and square bump 21 that sets up looks adaptation, make the structure more easily by the dismouting, and it is all more firm to connect in all directions, straight notch 13 has all been seted up just to both sides to first connecting rod 1, the below of straight notch 13 is just to the long limit of square groove 11, two screw holes 14 have been seted up in two points department that first connecting rod 1 is located straight notch 13 run through, two screw holes 14 have been seted up to the correspondence on square bump 21, screw hole 14 in-connection has fastener 4, through setting up straight notch 13 in being convenient for sink into the connecting rod behind fastener 4 fastening the connecting rod, do not form protruding structure, convenience and practicality.

Referring to fig. 2 and 3, a plurality of tapered slots 12 are formed in the square groove 11 at the opening in a linear array manner, and a plurality of tapered blocks 22 are formed on the square protrusion 21 at the connecting end face of the second connecting rod 2 in a linear array manner, so that the connecting contact face between the square groove 11 and the square protrusion 21 is improved, and a more stable connection effect is achieved.

Referring to fig. 2 and 3, the tapered slots 12 are disposed on the upper and lower long sides of the square recess 11, and the tapered blocks 22 are disposed on the upper and lower long sides of the square protrusion 21, so that a sufficient tapered structure is designed to ensure a more stable connection and a more practical structure.

Referring to fig. 2 and 3, the depth of the tapered slot 12 is 0.4-0.6 times of the depth of the square groove 11, and the length of the tapered block 22 is matched with the depth of the tapered slot 12, so as to achieve a certain tightness of connection and ensure that the connecting rod is more stable during rotation.

Referring to fig. 4, the depth of the lowest point of the straight notch 13 is not less than the height of the top of the fastener 4, and the connection rotation of the transmission shaft and other parts is not affected.

Referring to fig. 1, the fastener 4 is a socket head cap screw, and is of a relatively universal structure for fastening.

Referring to fig. 1, an inner groove 31 is formed in an end surface of the coupling head 3, and an inner concave space is formed to facilitate avoidance during assembly.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "connected," "provided," and "open" are intended to be broadly construed, and may for example, be fixedly connected, arranged, detachably connected, arranged, or integrally connected and arranged. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Above only the utility model discloses a preferred embodiment, the utility model discloses a scope not only limits in above-mentioned embodiment, and the fan belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a digit control machine tool high strength transmission shaft which characterized by: including detachable connections's first connecting rod (1) and second connecting rod (2), the outer end of first connecting rod (1) and second connecting rod (2) all is equipped with allies oneself with spindle nose (3), square recess (11) have been seted up to the connection terminal surface of first connecting rod (1), the connection terminal surface of second connecting rod (2) is equipped with square convex block (21), square recess (11) and square convex block (21) looks adaptation, straight notch (13) have all been seted up just to both sides to first connecting rod (1), the below of straight notch (13) is just to the long limit of square recess (11), two round points department that first connecting rod (1) is located straight notch (13) runs through and has seted up two screw holes (14), two screw hole (14) have been seted up to correspondence on square convex block (21), screw hole (14) in-connection has fastener (4).

2. The high-strength transmission shaft of the numerical control machine tool as claimed in claim 1, wherein: a plurality of conical grooves (12) are formed in the square groove (11) at the opening in a linear array mode, and a plurality of conical blocks (22) are arranged on the square protruding block (21) at the connecting end face of the second connecting rod (2) in a linear array mode.

3. The high-strength transmission shaft of the numerical control machine tool as claimed in claim 2, wherein: the plurality of conical grooves (12) are arranged at the upper long edge and the lower long edge of the square groove (11), and the plurality of conical blocks (22) are arranged at the upper long edge and the lower long edge of the square bump (21).

4. The high-strength transmission shaft of the numerical control machine tool as claimed in claim 3, wherein: the depth of the tapered groove (12) is 0.4-0.6 times of the depth of the square groove (11), and the length of the tapered block (22) is matched with the depth of the tapered groove (12).

5. The high-strength transmission shaft of the numerical control machine tool as claimed in claim 1, wherein: the depth of the lowest point of the straight notch (13) is not less than the height of the top of the fastener (4).

6. The high-strength transmission shaft of the numerical control machine tool as claimed in claim 5, wherein: the fastener (4) is a hexagon socket head cap screw.

7. The high-strength transmission shaft of the numerical control machine tool as claimed in claim 1, wherein: an inner groove (31) is arranged on the end surface of the shaft coupling head (3).