CN112355411A

CN112355411A - Main shaft reverse gear external spline gear shaping frock

Info

Publication number: CN112355411A
Application number: CN202011156566.5A
Authority: CN
Inventors: 蔡进新; 丁波; 佐东梁; 姜丽
Original assignee: Hubei Xizhan Auto Parts Co ltd
Current assignee: Hubei Xizhan Auto Parts Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-02-12

Abstract

The invention discloses a spindle reverse gear external spline gear shaping tool, and relates to the technical field of gearbox gear processing. The novel screw rod fixing device comprises a bottom plate, a fastening bolt, a third fixing plate, a screw rod and a fixing block, wherein the upper surface of the bottom plate is fixedly connected with a first fixing plate and a second fixing plate, the fastening bolt is arranged between the first fixing plate and the second fixing plate, grooves are formed in the upper surface and the lower surface of the third fixing plate, a part of the screw rod is arranged in the grooves, a first nut and a second nut are in threaded connection with the peripheral side surface of the screw rod, and the screw rod is in threaded connection with the fixing block. According to the invention, the fixing block is matched with the gear, so that the gear is effectively prevented from being damaged when being fixed, the fixing device is suitable for gears of different models by moving the threaded rod, the first nut and the second nut, the angle of rotation of the gear can be rotated without secondarily fixing the gear by screwing the fastening bolt and then rotating the third fixing plate, the processing is convenient, and the working efficiency is improved.

Description

Main shaft reverse gear external spline gear shaping frock

Technical Field

The invention belongs to the technical field of machining of gears of gearboxes, and particularly relates to a spindle reverse gear external spline gear shaping tool.

Background

The spline housing is used as an important part for connecting and transmitting power, and has the characteristics of high centering precision, large transmission torque, frequent slippage and the like; in actual production, due to the particularity of the external splines, gear grinding or gear shaving cannot be performed frequently, only a processing technology of gear shaping can be adopted, the spindle reverse gear needs to be fixed when the external splines of the spindle reverse gear are processed, the other end of the gear is processed, but when the gear is fixed, due to the fact that processing strength is high, the surface of the gear is damaged easily by a fixing device, the produced gear is unqualified, a general gear fixing device cannot rotate the gear according to processing requirements after the gear is fixed, and a general tool can only meet the gear of one model, so that the practicability of the tool is reduced, and the spindle reverse gear external spline gear shaping tool is provided for solving the problems.

Disclosure of Invention

The invention aims to provide a spindle reverse gear external spline gear shaping tool, which solves the problems that the surface of a gear is damaged when the gear is fixed and the direction of the gear is inconvenient to adjust after the gear is fixed in the conventional tool.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a main shaft reverse gear external spline gear shaping tool, which comprises a bottom plate, a fastening bolt, a third fixing plate, a threaded rod and a fixing block, wherein the upper surface of the bottom plate is fixedly connected with a first fixing plate and a second fixing plate so as to fix the third fixing plate, the fastening bolt is arranged between the first fixing plate and the second fixing plate so as to fix the third fixing plate, a threaded hole is formed in one side surface of the third fixing plate so as to be matched with the fastening bolt, grooves are formed in the upper surface and the lower surface of the third fixing plate so as to facilitate installation of the threaded rod, a part of the threaded rod is arranged in the grooves, a first nut and a second nut are in threaded connection with the peripheral side surface of the threaded rod, the position of the threaded rod is determined by adjusting the first nut and the second nut so as to facilitate fixing of a gear, a threaded hole is formed in one surface of the fixing, one end of the threaded rod is arranged in the threaded hole, and the threaded rod is in threaded connection with the fixed block.

Further, the third fixing plate is in threaded connection with the fastening bolt, and the position of the third fixing plate is adjusted by screwing the fastening bolt.

Furthermore, the upper surface of the bottom plate is provided with a through hole, so that the bottom plate can be conveniently fixed.

Furthermore, a fixed column is fixedly connected to one surface of the third fixed plate, and a baffle is fixedly connected to one end of the fixed column, so that the fixed column can be used for resisting the gear when the external spline is machined, and the gear is prevented from moving under stress.

Further, the size of first nut and second nut suits with the width of recess, prevents that first nut and second nut from passing the recess to lose fixed effect.

Further, the width of the head of the fastening bolt is smaller than the distance between the first fixing plate and the second fixing plate, so that the head of the fastening bolt is arranged on the outer sides of the first fixing plate and the second fixing plate, and the fastening bolt is prevented from losing the fixing effect.

The invention has the following beneficial effects:

according to the invention, the fixing block is inserted between two adjacent teeth of the gear, then the first nut and the second nut are screwed to fix the gear, so that the gear is effectively prevented from being damaged when being fixed, the fixing device is suitable for gears with different sizes by moving the threaded rod, the first nut and the second nut, the fastening bolt is screwed, and then the third fixing plate is rotated, so that the angle of the gear can be rotated without secondarily fixing the gear, the processing is convenient, and the working efficiency is improved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a spindle reverse gear external spline gear shaping tool;

FIG. 2 is a schematic structural view of a spindle reverse gear external spline gear shaping tool;

FIG. 3 is a schematic structural diagram of a main shaft reverse gear external spline gear shaping tool in a top view;

fig. 4 is a schematic view of the cross-sectional structure a-a in fig. 3.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a base plate; 2. a first fixing plate; 3. a second fixing plate; 4. a third fixing plate; 5. fastening a bolt; 6. a groove; 7. a threaded rod; 8. a first nut; 9. a second nut; 10. a fixed block; 11. a through hole; 12. fixing a column; 13. and a baffle plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate orientations or positional relationships, are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-4, the present invention is a spindle reverse gear external spline gear shaping tool, including a bottom plate 1, a fastening bolt 5, a third fixing plate 4, a threaded rod 7 and a fixing block 10, wherein the upper surface of the bottom plate 1 is fixedly connected with a first fixing plate 2 and a second fixing plate 3, so as to fix the third fixing plate 4, the fastening bolt 5 is disposed between the first fixing plate 2 and the second fixing plate 3, so as to fix the third fixing plate 4, a side surface of the third fixing plate 4 is provided with a threaded hole, so as to be matched with the fastening bolt 5, the upper and lower surfaces of the third fixing plate 4 are both provided with a groove 6, so as to install the threaded rod 7, a portion of the threaded rod 7 is disposed inside the groove 6, the peripheral side surface of the threaded rod 7 is threadedly connected with a first nut 8 and a second nut 9, the position of the threaded rod 7 is determined by adjusting the first nut 8 and, a threaded hole is formed in one surface of the fixing block 10, so that the fixing block 10 and the threaded rod 7 are fixed to form a whole, one end of the threaded rod 7 is arranged in the threaded hole, and the threaded rod 7 is in threaded connection with the fixing block 10.

The third fixing plate 4 is screwed to the fastening bolt 5, and the position of the third fixing plate 4 is adjusted by screwing the fastening bolt 5.

The upper surface of the bottom plate 1 is provided with a through hole 11, so that the bottom plate 1 can be conveniently fixed.

A fixed column 12 is fixedly connected to one surface of the third fixing plate 4, and a baffle 13 is fixedly connected to one end of the fixed column 12, so that the gear can be resisted during processing of the external spline, and the gear is prevented from moving under stress.

The size of first nut 8 and second nut 9 suits with the width of recess 6, prevents that first nut 8 and second nut 9 from passing recess 6 to lose the fixed effect.

The width of the head of the fastening bolt 5 is smaller than the distance between the first fixing plate 2 and the second fixing plate 3, so that the head of the fastening bolt 5 is arranged outside the first fixing plate 2 and the second fixing plate 3, and the fastening bolt 5 is prevented from losing the fixing effect.

The fixing device is suitable for gears of different models by moving the threaded rod 7, the first nut 8 and the second nut 9, the practicability of the device is improved, the fastening bolt 5 is screwed, and then the third fixing plate 4 is rotated, so that the angle of the gear can be rotated under the condition that the gear is not fixed for the second time, the processing is convenient, and the working efficiency is improved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a main shaft reverse gear external splines gear shaping frock, includes bottom plate (1), fastening bolt (5), third fixed plate (4), threaded rod (7) and fixed block (10), its characterized in that: fixed surface connects first fixed plate (2) and second fixed plate (3) on bottom plate (1), fastening bolt (5) set up between first fixed plate (2) and second fixed plate (3), third fixed plate (4) side is provided with the screw hole, the upper and lower surface of third fixed plate (4) all is provided with recess (6), a part of threaded rod (7) sets up inside recess (6), the side screw thread connection of week of threaded rod (7) has first nut (8) and second nut (9), a surface of fixed block (10) is provided with the screw hole, the one end of threaded rod (7) sets up inside the screw hole, threaded rod (7) and fixed block (10) threaded connection.

2. The tool for shaping the external spline of the reverse gear of the main shaft according to claim 1, wherein the third fixing plate (4) is in threaded connection with a fastening bolt (5).

3. The tool for shaping the external spline of the spindle reverse gear according to claim 1, wherein a through hole (11) is formed in the upper surface of the base plate (1).

4. The tool for shaping the external spline of the reverse gear of the main shaft according to claim 1, wherein a fixed column (12) is fixedly connected to one surface of the third fixed plate (4), and a baffle (13) is fixedly connected to one end of the fixed column (12).

5. The tool for shaping the external spline of the spindle reverse gear according to claim 1, wherein the first nut (8) and the second nut (9) are sized to fit the width of the groove (6).

6. The tool for shaping the external spline of the reverse gear of the main shaft according to claim 1, wherein the width of the head of the fastening bolt (5) is smaller than the distance between the first fixing plate (2) and the second fixing plate (3).