阅读说明：本技术 一种内花键离合器毂的旋压工装和制造方法 (Spinning tool and manufacturing method of internal spline clutch hub ) 是由 杨旭 杨彦微 顾斌 于 2021-07-28 设计创作，主要内容包括：本发明涉及机械加工领域,尤其涉及一种内花键离合器毂的旋压工装,包含固定在旋压机基台上的配合内花键离合器毂的旋压模具、工件定位夹紧装置；工件定位夹紧装置首先定位工件,然后配合旋压机主轴夹紧所述工件,完成旋压加工。本发明还提供一种使用旋压工装进行内花键离合器毂的制造方法,包含先利用旋压机完成工件的内花键成形的旋压加工,再使用机加工,完成旋压加工后的所述工件的端面倒角。本发明采用无铁屑加工的旋压成形工艺代替常规的车加工,只用圆饼钢板就能加工成成品形状,效率高,且过程无铁屑产生。(The invention relates to the field of machining, in particular to a spinning tool for an inner spline clutch hub, which comprises a spinning die and a workpiece positioning and clamping device, wherein the spinning die is fixed on a base station of a spinning machine and matched with the inner spline clutch hub; the workpiece positioning and clamping device firstly positions a workpiece, and then is matched with a spindle of a spinning machine to clamp the workpiece, so that spinning processing is completed. The invention also provides a manufacturing method of the internal spline clutch hub by using the spinning tool, which comprises the steps of firstly using a spinning machine to finish the spinning processing of the internal spline forming of a workpiece, and then using a machine to process, so as to finish the end face chamfer of the workpiece after the spinning processing. The invention adopts the spinning forming process of non-iron scrap processing to replace the conventional turning processing, can be processed into the shape of a finished product only by using the round cake steel plate, has high efficiency, and has no iron scrap in the process.)

1. A spinning tool for an internal spline clutch hub is characterized by comprising a spinning die and a workpiece positioning and clamping device, wherein the spinning die is fixed on a spinning machine base and matched with the internal spline clutch hub; the workpiece positioning and clamping device firstly positions a workpiece, and then is matched with a spindle of a spinning machine to clamp the workpiece, so that spinning processing is completed.

2. The spinning tool of the internally splined clutch hub of claim 1, wherein the workpiece locating and clamping device is a cylindrical protrusion disposed on the top of the spinning die; the center of the workpiece is provided with a center positioning hole for positioning the workpiece.

3. The spinning tool of the internally splined clutch hub of claim 1, wherein the bottom of the spinning die is provided with a spigot for positioning and is rigidly fixed to the spinning machine base by bolts.

4. The spinning tooling of the internally splined clutch hub of claim 1, wherein the spinning die is a cylinder; the both ends of cylinder all are provided with and encircle cylinder a week with internal spline complex decorative pattern.

5. A method of manufacturing an internally splined clutch hub using the spinning tooling of claim 1, comprising the steps of:

s101, placing a workpiece in the spinning tool, and finishing spinning processing of forming an internal spline of the workpiece by using a spinning machine;

and S102, machining is used, and chamfering of the end face of the workpiece after spinning is finished.

6. The method of manufacturing an internally splined clutch hub of claim 5, wherein said spinning forms the internal spline dimensions of said workpiece in one piece.

7. The method of making an internally splined clutch hub of claim 5, wherein the workpiece is a disk steel plate.

8. The method of manufacturing an internally splined clutch hub of claim 7, wherein step S101 comprises the steps of:

step S1001, placing the round cake steel plate into the spinning die;

s1002, pressing down by using the workpiece positioning and clamping device and the spindle of the spinning machine, and clamping and fixing the round cake steel plate;

step S1003, clamping and fixing the spinning die through bolts;

and step S1004, simultaneously carrying out axial feeding and radial feeding by using a spinning wheel of a spinning machine, and completing the extrusion forming of the size of the internal spline by matching with the spinning die.

Technical Field

The invention relates to the field of machining, in particular to a spinning tool and a manufacturing method for an internal spline clutch hub.

Background

In the field of machining, in particular in the field of the manufacture of automobile parts, there are many hollow shaft parts with a groove-like inner cavity, which serves for the lubrication of internal oil reservoirs, such as the motor shaft. At present, radial forging production and processing are adopted, and the process steps are more; the interior of the device adopts a machining manufacturing method, so that the difficulty is high, the efficiency is low and the cost is high.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide a hollow shaft spinning tool and a manufacturing method, which simplify the process, improve the size control level and reduce the cost.

In order to achieve the purpose, the technical scheme adopted by the invention is to provide a spinning tool for an inner spline clutch hub, which is characterized by comprising a spinning die and a workpiece positioning and clamping device, wherein the spinning die is fixed on a spinning machine base and matched with the inner spline clutch hub; the workpiece positioning and clamping device firstly positions a workpiece, and then is matched with a spindle of a spinning machine to clamp the workpiece, so that spinning processing is completed.

Further, the workpiece positioning and clamping device is a cylindrical bulge and is arranged at the top of the spinning die; the center of the workpiece is provided with a center positioning hole for positioning the workpiece.

Furthermore, the bottom of the spinning die is provided with a seam allowance for positioning, and the spinning die is rigidly fixed on the spinning machine base platform through bolts.

Further, the spinning die is a cylinder; the both ends of cylinder all are provided with and encircle cylinder a week with internal spline complex decorative pattern.

The invention also provides a manufacturing method of the internal spline clutch hub by using the spinning tool of the internal spline clutch hub, which is characterized by comprising the following steps:

s101, placing a workpiece in the spinning tool, and finishing spinning processing of forming an internal spline of the workpiece by using a spinning machine;

and S102, machining is used, and chamfering of the end face of the workpiece after spinning is finished.

Further, the spinning process forms the size of the internal spline of the workpiece at one time.

Further, the workpiece is a round-cake steel plate.

Further, the step S101 includes the steps of:

step S1001, placing the round cake steel plate into the spinning die;

s1002, pressing down by using the workpiece positioning and clamping device and the spindle of the spinning machine, and clamping and fixing the round cake steel plate;

step S1003, clamping and fixing the spinning die through bolts;

and step S1004, simultaneously carrying out axial feeding and radial feeding by using a spinning wheel of a spinning machine, and completing the extrusion forming of the size of the internal spline by matching with the spinning die.

In view of the technical characteristics, the invention can be processed into the shape of a finished product only by using the cake material, namely the conventional turning is replaced by the spinning forming, the efficiency is high, and no iron scraps are generated in the process.

Drawings

FIG. 1 is a schematic view of a spinning process of a preferred embodiment of the present invention;

FIG. 2 is a schematic view of a spinning tool according to a preferred embodiment of the present invention;

FIG. 3 is a schematic view of a workpiece according to a preferred embodiment of the invention;

FIG. 4 is a flow chart of a method of manufacturing a preferred embodiment of the present invention.

In the figure: 1-workpiece, 2-spinning die, 3-spinning machine main shaft, 4-first spinning wheel, 5-second spinning wheel and 6-workpiece positioning and clamping device.

Detailed Description

The invention will be further illustrated with reference to specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

Referring to fig. 1, 2 and 3, a spinning tool for an internal spline clutch hub is disclosed in a preferred embodiment of the present invention, which is characterized by comprising a spinning die 2 and a workpiece positioning and clamping device 6, wherein the spinning die is matched with the internal spline clutch hub. Spinning mould 2 is the cylinder, and the bottom has and is provided with the tang location, all is provided with at the both ends of cylinder around cylinder a week with internal spline complex decorative pattern. The spinning die 2 is rigidly fixed on the spinning machine base station through a threaded hole on the lower end face of the base and a bolt. The workpiece positioning and clamping device 6 is a cylindrical protrusion and is arranged at the top of the spinning die 2. A center positioning hole for positioning the workpiece is provided in the center of the workpiece 1. The workpiece positioning and clamping device 6 is firstly matched with the central positioning hole to position the workpiece 1, then the spindle 3 of the spinning machine presses the workpiece positioning and clamping device 6 to clamp the workpiece 1, and finally the first spinning wheel 4 and the second spinning wheel 5 of the spinning machine simultaneously carry out axial and radial feeding to finish spinning.

Referring to fig. 4, a method for manufacturing an internally splined clutch hub using a spinning tool for an internally splined clutch hub is also included in a preferred embodiment of the present invention. Wherein the work piece is the cake steel sheet, utilizes the internal spline size of spinning processing one or two shaping work pieces, contains the step:

s101, placing a workpiece in a spinning tool, and finishing spinning processing of forming an internal spline of the workpiece by using a spinning machine;

and S102, machining is used, and chamfering of the end face of the workpiece after spinning is finished.

Wherein, step S101 includes the following steps:

step S1001, putting the round cake steel plate into a spinning die;

s1002, pressing down by using a workpiece positioning and clamping device and a spinning machine main shaft to clamp and fix the round cake steel plate;

step S1003, clamping and fixing the spinning die through bolts;

and step S1004, simultaneously carrying out axial feeding and radial feeding by using a spinning wheel of a spinning machine, and completing the extrusion forming of the size of the internal spline by matching with a spinning die.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.