Automatic detection and grinding equipment for outer circle of shaft end of transmission spline shaft

By designing an automatic grinding and detection equipment for the outer diameter of the transmission spline shaft end, and utilizing shaft diameter and length detection devices and sensors, the problems of dimensional mismatch and inertial over-grinding caused by manual grinding were solved, achieving precise positioning and efficient automated processing.

CN223811888UActive Publication Date: 2026-01-20HANGZHOU JUNDI TRANSMISSION SHAFT MASCH CO LTD
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Patent Information

Application Number
CN202520143645.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2026-01-20
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

The grinding of the outer diameter of the transmission spline shaft end is mostly done manually, which leads to problems such as dimensional mismatch and excessive grinding due to inertia, and it is difficult to accurately control the termination of the machining.

Method used

Design an automatic detection and grinding equipment for the outer diameter of the spline shaft end, including a shaft diameter detection device and a shaft length detection device, combined with mechanical or light curtain sensors to achieve precise positioning and automated grinding of the spline shaft.

Benefits of technology

It achieves precise positioning and automated grinding of the transmission spline shaft, avoiding size mismatch and excessive grinding due to inertia, and improving processing efficiency and accuracy.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223811888U_ABST
Patent Text Reader

Abstract

The utility model aims to solve the problems that the outer circle of the shaft end of the transmission spline shaft is mostly ground by manual grinding in the prior art, and the grinding process is excessive due to inertia generated by a key body in the rotating process of a lathe and the grinding process cannot be stopped when the lathe stops. The automatic detection grinding machining equipment for the shaft end outer circle of the transmission spline shaft comprises a shaft diameter detection device and a shaft length detection device which are arranged on an outer circle grinding machine. A spline positioning T-shaped rod is arranged on the surface of a turntable of a rotating tip on the cylindrical grinding machine. The shaft diameter detection device is arranged on a horizontal sliding rail on the cylindrical grinding machine, and the positioning center is the same as the central axis of a transmission spline shaft fixed on the cylindrical grinding machine; and an axial length detection device is fixed on a grinding wheel device of the cylindrical grinding machine.
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Description

TECHNICAL FIELD

[0001] The utility model relates to grinding processing equipment, concretely relates to a transmission spline shaft axle end excircle automatic detection grinding processing equipment. BACKGROUND

[0002] Spline shaft is a kind of mechanical transmission, and flat key, semicircular key, wedge key have the same effect, are all mechanical torque transmission, and there are longitudinal keyways on the outer surface of shaft, and the rotating parts on the shaft also have corresponding keyways, which can keep synchronous rotation with the shaft. While rotating, some can also slide longitudinally on the shaft, such as gear shift gears of gearbox. Figure 2 The transmission spline shaft described in the above-mentioned a needs to be polished between the shaft body excircle of the left key in the figure to the right bolt, and the traditional polishing method is naturally to use manual processing or to set parameters to polish with fixed size, which may cause some unexpected size mismatching conditions. And there may also be inertia of the key body in the process of lathe rotation, so that the polishing process produces excessive conditions and cannot stop when terminating. SUMMARY

[0003] The utility model discloses a kind of transmission spline shaft axle end excircle automatic detection grinding processing equipment, including: the axle diameter detection device of being set on excircle grinding machine, axle length detection device;

[0004] Key positioning T rod is arranged on the rotating top center disc surface of excircle grinding machine.

[0005] The axle diameter detection device is arranged on the horizontal slide rail of excircle grinding machine, and the positioning center is the same as the fixed transmission spline shaft central axis of excircle grinding machine.

[0006] Axle length detection device is fixed on the grinding wheel device of excircle grinding machine.

[0007] The axle length detection device includes: slide table is set by support, first telescopic cylinder is set on the upper end surface of slide table, long rod type contact sensor is set on slide block;The telescopic end of first telescopic cylinder is fixedly connected with the upper slide block of slide table.

[0008] As preferred, the axle diameter detection device uses optical curtain type diameter sensor, and optical curtain emitting end is set on the front of excircle grinding machine, and optical curtain receiving end is set on the grinding wheel device side of excircle grinding machine.

[0009] As preferred, the axle diameter detection device uses mechanical type outer diameter sensor.

[0010] The shaft diameter detection device comprises a second telescopic cylinder, the telescopic axis of the second telescopic cylinder is perpendicular to the central axis of the transmission spline shaft in a horizontal plane, the cylinder body of the second telescopic cylinder is fixed on the horizontal slide rail of the cylindrical grinding machine through a support, an L-shaped base is fixed on the telescopic end of the second telescopic cylinder, and a mechanical outer diameter sensor is clamped in the base.

[0011] The opening of the mechanical outer diameter sensor is aligned with the transmission spline shaft.

[0012] As preferred, a positioning base is welded and fixed on the rotating top center rotating disc surface of the cylindrical grinding machine, and the spline positioning T rod is screwed with the positioning base.

[0013] The beneficial effect of the utility model lies in that the transmission spline shaft can be effectively positioned, so that the problem that the machining cannot be stopped due to the mismatching of rotating speed in the machining process is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The device assembly view of the utility model;

[0015] Figure 2 The transmission spline shaft structure view processed by the utility model;

[0016] In the figure: 1, the grinding wheel device of the cylindrical grinding machine, 2, the rotating top center on the cylindrical grinding machine, 3, the positioning base, 4, the mechanical outer diameter sensor, 5, the second telescopic cylinder, 6, the support, 7, the sliding block, 8, the long rod type contact sensor. DETAILED DESCRIPTION

[0017] The technical scheme of the utility model will be further concretely explained below by means of specific embodiments and in combination with the drawings. EMBODIMENT

[0018] As Figure 1 shown in a kind of transmission spline shaft axle end outer circle automatic detection grinding equipment, comprising: the shaft diameter detection device of being set on cylindrical grinding machine, shaft length detection device;

[0019] The spline positioning T rod is arranged on the rotating disc surface of the rotating top center 2 on the cylindrical grinding machine.

[0020] The shaft diameter detection device is arranged on the horizontal slide rail of the cylindrical grinding machine, and the positioning center is same with the central axis of the fixed transmission spline shaft on the cylindrical grinding machine.

[0021] The shaft length detection device is fixed on the grinding wheel device 1 of the cylindrical grinding machine.

[0022] The shaft length detection device comprises a sliding table arranged by a support 6, a first telescopic cylinder arranged on the upper end surface of the sliding table, and a long rod type contact sensor 8 arranged on the sliding block 7; the telescopic end of the first telescopic cylinder is fixedly connected with the upper sliding block 7 of the sliding table.

[0023] The shaft diameter detection device uses a mechanical outer diameter sensor 4.

[0024] The shaft diameter detection device comprises a second telescopic cylinder 5, the telescopic axis of the second telescopic cylinder is perpendicular to the central axis of the transmission spline shaft in the horizontal plane; the cylinder body of the second telescopic cylinder is fixed on the horizontal slide rail of the cylindrical grinding machine through a support; an L-shaped base is fixed on the telescopic end of the second telescopic cylinder, and the mechanical outer diameter sensor is clamped in the base.

[0025] The opening of the mechanical outer diameter sensor is aligned with the transmission spline shaft.

[0026] A positioning base 3 is welded and fixed on the rotating disc surface of the rotating center of the cylindrical grinding machine, and the spline positioning T rod is screwed with the positioning base.

[0027] After the transmission spline shaft is fixed on the cylindrical grinding machine, the second telescopic cylinder is first retracted, the outer diameter of the transmission spline shaft is measured by using the shaft diameter detection device, if necessary, the transmission spline shaft is rotated to avoid errors. Then the second telescopic cylinder is elongated to reset the mechanical outer diameter sensor. The first telescopic cylinder of the cylindrical grinding machine is elongated, so that the sensing end of the long rod type contact sensor, that is, the long rod, is in contact with the transmission spline shaft, generally in a tangent manner. At this time, the grinding wheel device moves horizontally relative to the transmission spline shaft fixed by the center without starting the grinding wheel, so as to detect the shaft length of the transmission spline shaft by using the long rod type contact sensor until the detection is completed.

[0028] Finally, the detected data is imported into the cylindrical grinding machine, so that the cylindrical grinding machine automatically processes. Embodiment

[0029] The embodiment is basically the same as embodiment 1, the difference lies in that different shaft diameter detection devices are used. In the embodiment, a light curtain type diameter sensor is used, the light curtain emitting end is arranged on the front surface of the cylindrical grinding machine, and the light curtain receiving end is arranged on the grinding wheel device side of the cylindrical grinding machine.

[0030] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A transmission spline shaft end outer circle automatic detection grinding equipment, characterized in that, The shaft diameter detection device and the shaft length detection device are arranged on the outer circle grinding machine. The spline positioning T rod is arranged on the rotating top center rotating disc surface of the outer circle grinding machine. The shaft diameter detection device is arranged on the horizontal slide rail of the outer circle grinding machine, and the positioning center is the same as the central axis of the fixed transmission spline shaft of the outer circle grinding machine. The shaft length detection device is fixed on the grinding wheel device of the outer circle grinding machine. The shaft length detection device comprises a sliding table arranged through a support, a first telescopic cylinder arranged on the upper end surface of the sliding table, and a long rod type contact sensor arranged on the sliding block. The telescopic end of the first telescopic cylinder is fixedly connected with the upper sliding block of the sliding table.

2. The automatic detection grinding equipment for the outer circle of the transmission spline shaft end according to claim 1, characterized in that, The shaft diameter detection device uses a light curtain type diameter sensor, and the light curtain emitting end is arranged on the front surface of the outer circle grinding machine, and the light curtain receiving end is arranged on the grinding wheel device side of the outer circle grinding machine.

3. The automatic detection grinding equipment for the outer circle of the transmission spline shaft end according to claim 1, characterized in that, The shaft diameter detection device uses a mechanical type outer diameter sensor. The shaft diameter detection device comprises a second telescopic cylinder, the telescopic axis of the second telescopic cylinder is perpendicular to the central axis of the transmission spline shaft in the horizontal plane, the cylinder body of the second telescopic cylinder is fixed on the horizontal slide rail of the outer circle grinding machine through a support, an L type base is fixed on the telescopic end of the second telescopic cylinder, and a mechanical type outer diameter sensor is clamped in the base. The opening of the mechanical type outer diameter sensor is aligned with the transmission spline shaft.

4. The automatic detection and grinding machining equipment for the outer circle of the shaft end of the transmission spline shaft according to claim 1, wherein a positioning base is welded and fixed on the rotating top center rotating disc surface of the outer circle grinding machine, and the spline positioning T rod is screwed with the positioning base.