CN221237136U - Customizable gear shaft - Google Patents

Abstract

The utility model discloses a customizable gear shaft, which relates to a transmission piece, and the technical scheme is as follows: the gear comprises an independent gear body and a plurality of shaft bodies with different diameters and lengths, wherein two end faces of the gear body are detachably connected with any shaft body, and the shaft body is detachably connected with any other shaft body. The utility model can directly mold the customized gear shaft, or can separately cut and produce the shaft body or gear body meeting the size requirement, the production is simpler, and then the gear body and the gear body are assembled together, compared with the mode of integrally cutting and molding the gear shaft, the mode can use the existing gear shaft and the shaft body, reduce the work of debugging equipment parameters, can avoid the condition that a large amount of billet raw materials are wasted due to equipment parameter deviation, and the gear body and the shaft body are all made of 20Cr alloy steel materials, so that the surfaces of the gear body and the shaft body have the characteristics of high hardness and high wear resistance, and the interior has enough toughness and strength, so that the gear shaft formed by clamping the gear body and the shaft body has the advantages of high strength and wear resistance.

Description

Customizable gear shaft

Technical Field

The present utility model relates to a transmission, and more particularly, to a customizable gear shaft.

Background

Gear shafts refer to mechanical parts that support and revolve with rotating parts to transmit motion, torque, or bending moment. Typically in the form of a metal round rod, the segments may have different diameters. The parts in the machine that are in rotary motion are mounted on the shaft.

The existing gear shafts often comprise gear parts and round rod-shaped shaft parts, the shaft parts on many gear shafts are divided into a plurality of sections, the diameters of the sections are different due to factors such as load born by the sections, equipment size and requirements of connection, material selection and the like, the gear shafts are required to be customized in size, and the cost is high when a single mechanical equipment is used for customizing the gear shafts with specific sizes.

There is therefore a need to propose a new solution to this problem.

Disclosure of utility model

Aiming at the defects existing in the prior art, the utility model aims to provide a customizable gear shaft.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a customizable gear shaft, includes independent gear body and a plurality of diameter and the different axis body of length, the connection can be dismantled with arbitrary axis body to the both ends face of gear body, the connection can be dismantled with other arbitrary axis body.

The utility model is further provided with: the gear body is characterized in that a positioning block is fixedly connected to the center of one end face of the shaft body, grooves for accommodating the positioning block are formed in the centers of two end faces of the gear body and the other end face of the shaft body, and the positioning block is clamped into the grooves to realize coaxial arrangement of adjacent shaft bodies or coaxial arrangement of the shaft body and the gear body.

The utility model is further provided with: the gear is characterized in that the shaft body is provided with through holes penetrating the gear along the axis of the gear body, the centers of the two end faces of the gear body are provided with threaded holes, any number of shaft bodies positioned at one end of the gear body are fixed on the gear body through long bolts, the long bolts penetrate through the through holes, and the heads of the long bolts are positioned in grooves on the shaft body at the outermost side.

The utility model is further provided with: the long bolt comprises a threaded section and a polished rod section, wherein the threaded section is used for being in threaded connection with the threaded hole, and the polished rod section is used for penetrating through the perforation.

The utility model is further provided with: the length of the thread section is the same as the depth of the threaded hole.

The utility model is further provided with: the section of the positioning block is arranged in a regular polygon.

The utility model is further provided with: the section of the positioning block is arranged in a regular hexagon.

The utility model is further provided with: the gear body and the shaft body are made of 20Cr alloy steel.

In summary, the utility model has the following beneficial effects: the gear shaft is changed into a gear shaft formed by mutually fixing an independent gear body and a plurality of different shaft bodies, so that when the gear shaft with the customized size is produced in small batch, the shaft body meeting the requirements can be selectively arranged on the gear body meeting the requirements, the customized gear shaft is directly molded, the shaft body or the gear body meeting the size requirements can also be independently cut and produced, the production is simpler, the gear shaft and the gear body are assembled together, and compared with the mode of integrally cutting and molding the gear shaft, the mode can use the existing gear shaft and the shaft body, reduce the work of debugging equipment parameters, and avoid the condition that a large amount of billet raw materials are wasted due to equipment parameter deviation.

Drawings

FIG. 1 is a cross-sectional view of the present utility model;

FIG. 2 is an exploded view of the present utility model;

Fig. 3 is an enlarged schematic view of the portion a in fig. 2.

In the figure: 1. a gear body; 2. a shaft body; 3. a positioning block; 4. a groove; 5. perforating; 6. a threaded hole; 7. a long bolt; 8. a threaded section; 9. and a polish rod section.

Detailed Description

The present utility model will be described in detail below with reference to the accompanying drawings and examples.

Examples:

A customizable gear shaft, as shown in figure 1, comprises an independent gear body 1 and a plurality of shaft bodies 2 with different diameters and lengths, wherein the gear body 1 and the shaft bodies 2 are formed by cutting cylindrical billets through a machining center, two end faces of the gear body 1 are detachably connected with any shaft body 2, the shaft bodies 2 are detachably connected with any other shaft bodies 2, when the small-batch customized gear shaft is produced, a factory selects the gear body 1 and the shaft body 2 which meet the size requirement through the size data of each part of the gear shaft, if the gear body 1 or part of the shaft bodies 2 cannot find the size which meets the requirement, the machining center cuts the billets or cuts the shaft body 2 with the larger original size, so that the shaft body 2 or the gear body 1 which meets the requirement can be conveniently manufactured, and then sequentially fixing the shaft bodies 2 meeting the requirements and the gear bodies 1 together to form a customized gear shaft, and changing the gear shaft into a gear shaft formed by mutually fixing the independent gear bodies 1 and a plurality of different shaft bodies 2, so that when the gear shaft with the customized size is produced in small batches, the shaft bodies 2 meeting the requirements can be selectively arranged on the gear bodies 1 meeting the requirements, the customized gear shaft can be directly molded, the shaft bodies 2 or the gear bodies 1 meeting the size can also be independently cut and produced, the production is simpler, and then the gear shafts and the gear bodies 1 are assembled together.

Specifically, as shown in fig. 1, 2 and 3, a positioning block 3 is integrally formed in the center of one end face of the shaft body 2, the positioning block 3 is formed by cutting, the section of the positioning block 3 is in a regular polygon shape, further, the section of the positioning block 3 is in a regular hexagon shape, grooves 4 for accommodating the positioning block 3 are formed in the centers of two end faces of the gear body 1 and the other end face of the shaft body 2, the section of the grooves 4 is in a regular hexagon shape, the positioning block 3 is clamped into the grooves 4 for realizing coaxial arrangement of adjacent shaft bodies 2 or coaxial arrangement of the shaft body 2 and the gear body 1, when the shaft bodies 2, 2 and 1 are fixed, the positioning block 3 is embedded into the grooves 4, so that the shaft bodies 2, 2 and 1 and 2 are coaxially arranged, can play the positioning action to shaft body 2 and gear body 1, make things convenient for shaft body 2 and shaft body 2 to fix and shaft body 2 and gear shaft, thereby make things convenient for gear shaft assembly shaping, and the cross-section design of locating piece 3 becomes regular polygon, it is comparatively simple that recess 4 is gone into to make locating piece 3 card, and the locating piece 3 that regular polygon set up can not rotate in recess 4, thereby can avoid between the shaft body 2 and between gear body 1 and the shaft body 2 relative rotation, improve the stability of the gear shaft after the assembly, further, the cross-section design of locating piece 3 becomes regular hexagon, when cutting shaping is comparatively simple, to the effect of avoiding relative rotation between shaft body 2 and shaft body 2 or between shaft body 2 and the gear body 1 is better.

Further, as shown in fig. 1, 2 and 3, the shaft body 2 is provided with a through hole 5 penetrating the shaft body along the axis thereof, the cross section of the through hole 5 is circular, the centers of two end faces of the gear body 1 are provided with threaded holes 6, any number of shaft bodies 2 positioned at one end of the gear body 1 are fixed on the gear body 1 through long bolts 7, the long bolts 7 penetrate through the through hole 5, the heads of the long bolts 7 are positioned in grooves 4 on the outermost shaft bodies 2, the inner walls of the grooves 4 are extruded through the heads of the long bolts 7, the long bolts 7 are in threaded connection with the threaded holes 6, so that the shaft bodies 2 penetrated by the long bolts 7 can be fixed at one side of the gear body 1, the fixed shaft bodies 2 and the gear body 1 are simpler, and the positioning block 3 can avoid relative rotation between the shaft bodies 2 and the gear body 1, so that the gear shaft formed by assembly can normally operate, the groove 4 can accommodate the head of the long bolt 7, can avoid the mutual interference of the long bolt 7 and an external object, can avoid the loosening of the long bolt 7, improves the stability of the gear shaft during operation, and the long bolt 7 adopts a form matched with the threaded hole 6, so that the length of the long bolt 7 is not required to be very accurate, only the long bolt 7 and the threaded hole 6 have enough matched length, thereby the long bolt 7 with fewer types can be prepared to meet the custom gear shaft with a plurality of sizes, further, the long bolt 7 comprises a threaded section 8 and a polished rod section 9, the threaded section 8 is used for being in threaded connection with the threaded hole 6, the polished rod section 9 is used for penetrating through the through hole 5, the polished rod section 9 is positioned between the threaded section 8 and the head of the long bolt 7, and as the part of the mutual matching of the long bolt 7 and the threaded hole 6 only has a small part of one end, other positions can be set as the polished rod section 9, this kind of setting can make the processing of stock 7 simpler, and polished rod section 9 is comparatively smooth and easy when passing perforation 5 on the one hand, and on the other hand polished rod section 9 and perforation 5 inner wall have great area of contact, can play a lot of support and fill the effect, improve the intensity of the fashioned gear shaft of assembly, and further, the length of screw thread section 8 is the same with the degree of depth of screw hole 6, can furthest reduce the length of screw thread section 8, the processing degree of difficulty of maximize reduction stock 7.

As shown in FIG. 2, the gear body 1 and the shaft body 2 are made of 20Cr alloy steel, the surfaces of the gear body 1 and the shaft body 2 are made of 20Cr alloy steel, the gear body 1 and the shaft body 2 are high in hardness and wear resistance, and the gear body 1 and the shaft body 2 are clamped to form a gear shaft with high strength and wear resistance, so that the gear has a longer service life.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (7)

1. A customizable gear shaft, characterized by: including independent gear body (1) and a plurality of diameter and different axis body (2) of length, the connection can be dismantled with arbitrary axis body (2) to the both ends face of gear body (1), the connection can be dismantled with other arbitrary axis body (2) to axis body (2), an terminal surface central authorities fixedly connected with locating piece (3) of axis body (2), recess (4) that hold locating piece (3) have all been seted up to two terminal surface central authorities of gear body (1) and the other terminal surface of axis body (2), recess (4) are used for realizing adjacent axis body (2) coaxial setting or axis body (2) and the coaxial setting of gear body (1) to locating piece (3) card.

2. The customizable gear shaft according to claim 1, wherein: the gear is characterized in that the shaft body (2) is provided with a through hole (5) penetrating the gear along the axis of the shaft body, the centers of the two end faces of the gear body (1) are provided with threaded holes (6), any number of shaft bodies (2) positioned at one end of the gear body (1) are fixed on the gear body (1) through long bolts (7), the long bolts (7) penetrate through the through hole (5), and the heads of the long bolts (7) are positioned in grooves (4) on the shaft body (2) at the outermost side.

3. The customizable gear shaft according to claim 2, wherein: the long bolt (7) comprises a threaded section (8) and a polished rod section (9), wherein the threaded section (8) is used for being in threaded connection with the threaded hole (6), and the polished rod section (9) is used for penetrating through the perforation (5).

4. A customizable gear shaft according to claim 3, wherein: the length of the thread section (8) is the same as the depth of the threaded hole (6).

5. The customizable gear shaft according to claim 1, wherein: the section of the positioning block (3) is arranged in a regular polygon shape.

6. The customizable gear shaft according to claim 5, wherein: the section of the positioning block (3) is arranged in a regular hexagon.

7. The customizable gear shaft according to claim 1, wherein: the gear body (1) and the shaft body (2) are made of 20Cr alloy steel.