Rapid alignment and worm gear throat circle radius detection device for worm gear machining
By combining a laser displacement sensor with a digital height gauge data acquisition system, the accurate detection of the throat radius of the worm gear and the rapid alignment of the hob are achieved, solving the problems of large throat radius detection error and difficulty in hob alignment in worm gear machining, and improving the machining accuracy of the worm gear.
Patent Information
- Application Number
- CN202423309265.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing methods for detecting the throat circle radius of worm gears have large errors and are cumbersome, making hobbing difficult and affecting the machining accuracy of worm gears.
A data acquisition, processing, and display system was designed by combining a laser displacement sensor with a digital height gauge to achieve rapid detection of the worm gear throat radius and precise hob alignment.
This improves the accuracy of worm gear throat circle radius detection and hob alignment efficiency, ensures worm gear machining accuracy, and reduces human error and detection difficulty.
Smart Images
Figure CN223841107U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of parts processing and inspection, specifically relating to a device for rapid alignment and worm gear throat circle radius detection in worm gear processing. Background Technology
[0002] Worm gear transmission is a type of transmission that transmits motion and power between two spatially intersecting shafts. The included angle between the two shafts can be any value, with 90° being the most common. This type of transmission has advantages such as compact structure, large transmission ratio, smooth transmission, and reliable self-locking under certain conditions. It is widely used in machine tools, automobiles, instruments, lifting and transportation machinery, metallurgical machinery, and other machines or equipment.
[0003] As a high-precision mechanical transmission device, the worm gear is usually used in conjunction with the worm to form a worm gear transmission mechanism. Its working principle is that the rotation of the worm drives the rotation of the worm wheel, thereby transmitting power. In the worm gear transmission mechanism, the worm wheel usually acts as the driven component, receiving the power transmitted by the worm and converting it into the required output motion. The machining accuracy of the worm gear directly affects its working performance. High-precision machined worm gears can reduce backlash, improve transmission accuracy, and reduce energy loss. During the hobbing process of the worm gear, the position of the hob needs to be adjusted to ensure the machining accuracy of the worm gear. The throat circle of the worm gear increases the contact area of the tooth surface, and the detection of the throat circle radius is one of the important steps in verifying the machining accuracy of the worm gear. There are two existing methods for detecting the throat circle radius of worm gears: one is measurement by comparison with a radius template, and the other is detection using a coordinate measuring machine (CMM). The former cannot obtain a specific measurement value and is significantly affected by human error; the latter has cumbersome detection steps and is difficult to sample during measurement, resulting in a large error in the measurement of the worm gear throat circle. Utility Model Content
[0004] The purpose of this invention is to provide a device for rapid alignment and throat radius detection in worm gear machining, which solves the problems of difficult hobbing tool alignment and the inability to detect the throat radius of the worm gear in the hobbing process of worm gear machining.
[0005] The technical solution is as follows:
[0006] A rapid alignment and throat radius detection device for worm gear machining includes: a dual-column height gauge with digital display, a laser displacement sensor, a data acquisition and display component, and a support. A base is mounted on the lower part of the support, and a socket is provided on the base. The dual-column height gauge with digital display is connected to the support and has a data output interface, which is connected to the data acquisition and display component via a cable. A scribing frame assembly is located on the side of the dual-column height gauge. The data acquisition and display component is fixed to the base and connected to the socket via a cable. The laser displacement sensor is fixed to the scribing frame assembly and connected to the socket via a cable.
[0007] Furthermore, the scribing frame assembly is provided with threaded holes, and the laser displacement sensor is fixed on the threaded holes.
[0008] Furthermore, the dual-column height gauge with digital display is equipped with a handwheel, and the bracket is equipped with a threaded rod. The handwheel is installed on the threaded rod, thereby connecting the dual-column height gauge with digital display and the bracket.
[0009] Furthermore, the data acquisition and display components include: a DC power supply module, a data acquisition module, a data processing and analysis module, and a data display module; the DC power supply module is equipped with a charging and discharging circuit and a lithium battery; the data acquisition module is equipped with a data acquisition circuit and a data acquisition button; and the data display module is equipped with a digital height gauge data display interface, a laser displacement sensor data display interface, and a worm gear throat circle radius dimension result display interface.
[0010] This utility model has the following advantages compared with the prior art:
[0011] This invention combines a laser displacement sensor with a digital height gauge to design a data acquisition, processing, and display system. It enables the acquisition of height gauge data and laser ranging data, and through calculation, realizes the functions of worm gear throat circle radius detection and rapid alignment during worm gear hobbing. Attached Figure Description
[0012] The accompanying drawings, which are included to provide a further understanding of the invention and form part of this application, illustrate exemplary embodiments of the invention and are used to explain the invention. They do not constitute an undue limitation of the invention. In the drawings:
[0013] Figure 1 This is a schematic diagram of the structure of the worm gear machining rapid alignment and worm gear throat circle radius detection device in this utility model;
[0014] Figure 2 This is a schematic diagram of the structure of the data acquisition and display component 3 in this utility model;
[0015] Figure 3 This is a schematic diagram of the composition structure of the data display module in this utility model;
[0016] Figure 4 This is a schematic diagram of the measurement principle of the worm gear machining rapid alignment and worm gear throat circle radius detection device in this utility model;
[0017] Figure 5 This is a flowchart of the measurement process for the rapid alignment and throat radius detection device for worm gear machining in this utility model. Detailed Implementation
[0018] The following description fully illustrates specific embodiments of the present invention to enable those skilled in the art to practice and reproduce it.
[0019] like Figure 1 The diagram shown is a structural schematic of the worm gear machining rapid alignment and worm gear throat circle radius detection device in this utility model.
[0020] A rapid alignment and throat radius detection device for worm gear machining includes: a dual-column height gauge with digital display 1, a laser displacement sensor 2, a data acquisition and display component 3, and a bracket 4; a base is provided at the bottom of the bracket 4, and a socket is provided on the base; the dual-column height gauge 1 with digital display is connected to the bracket 4, and the dual-column height gauge 1 with digital display is provided with a data output interface 11, which is connected to the data acquisition and display component 3 via a cable; a scribing frame assembly 12 is provided on the side of the dual-column height gauge 1; the data acquisition and display component 3 is fixed on the base, and the data acquisition and display component 3 is connected to the socket via a cable; the laser displacement sensor 2 is fixed on the scribing frame assembly 12, and the laser displacement sensor 2 is connected to the socket via a cable.
[0021] The dual-column height gauge 1 with digital display is equipped with a data output interface for data output. The scribing frame assembly 12 has two M3 threaded holes, on which the laser displacement sensor 2 is fixed.
[0022] The double-column height gauge 1 with digital display is equipped with a handwheel, and the bracket 4 is equipped with a threaded rod. The handwheel is installed on the threaded rod to connect the double-column height gauge 1 with digital display and the bracket 4.
[0023] like Figure 2 The figure shown is a structural schematic diagram of the data acquisition and display component 3 in this utility model.
[0024] The data acquisition and display component 3 includes: a DC power supply module 31, a data acquisition module 32, a data processing and analysis module 33, and a data display module 34. The DC power supply module 31 contains a charging and discharging circuit and a built-in lithium battery. It can power the laser displacement sensor 2 via a socket and power and transmit data to the data acquisition and display component 3 via its interface. The data acquisition module 32 has a data acquisition circuit and a data acquisition button, and can acquire display data from the dual-column digital height gauge 1 and the laser displacement sensor 2, respectively. The data processing and analysis module 33 processes and calculates the data acquired by the data acquisition module and outputs the measurement results.
[0025] like Figure 3 The diagram shown is a schematic diagram of the composition of the data display module 34 in this utility model.
[0026] The data display module 34 is equipped with a digital height gauge data display interface 341, a laser displacement sensor data display interface 342, and a worm gear throat circle radius dimension result display interface 343.
[0027] like Figure 4 The diagram shown is a schematic diagram illustrating the measurement principle of the worm gear machining rapid alignment and worm gear throat circle radius detection device in this utility model; as shown... Figure 5 The diagram shown is a measurement flowchart of the worm gear machining rapid alignment and worm gear throat circle radius detection device in this utility model.
[0028] This application aims to solve the problems of worm gear throat circle center radius detection and hobbing cutter quick alignment during worm gear hobbing. Through laser displacement sensor 2 and data acquisition and display component 3, the worm gear throat circle radius and the distance from the throat circle center to the worm gear ground plane are detected.
[0029] The measurement and processing steps are as follows:
[0030] (1) Place the worm gear to be tested on the CNC machine tool worktable and fix and lock it with a fixture.
[0031] (2) Place the throat circle radius detection device on the CNC machine tool workbench, rotate the digital display height ruler handwheel, and adjust the scribing device measuring surface to keep it level with the bottom plane of the worm gear.
[0032] (3) Press the zeroing button on the dual-column height gauge 1 with digital display to clear the displayed value.
[0033] (4) Rotate the handwheel to adjust the laser sensor spot to shine vertically onto the side of the worm gear, press the sensor zero button, and the sensor reading will be cleared to zero.
[0034] (5) Rotate the handwheel of the dual-column digital display height gauge 1, adjust the sensor to move vertically upward, find the point where the laser displacement sensor value changes abruptly, press the data acquisition button of the dual-column digital display height gauge 1, and record the height gauge value L2.
[0035] 12 Frame Components
[0036] (6) Move the dual-column digital display height gauge 1 upward again, observe the data display interface of the laser displacement sensor 1 of the data acquisition and display component 3, press the height gauge data acquisition button and the laser displacement sensor 2 data acquisition button at the maximum value, and record the height gauge value L0 and the laser displacement sensor value H.
[0037] (7) Continue to move the scribing frame component 12 upwards, find the point where the value of the laser displacement sensor 2 changes abruptly, press the height ruler data acquisition button of the data acquisition and display component 3, and record the height ruler value L1.
[0038] (8) Press the result output button of the data acquisition and display component 3, and the R value of the worm gear throat circle radius of the data acquisition and display component 3 can be displayed on the display interface.
[0039] (9) When aligning the hobbing operation, adjust the center of the hob shank to be consistent with the bottom plane of the worm wheel. Input the distance L0 from the throat circle center to the bottom plane in the CNC machining center. Move the hob into position. At this time, the center of the hob shank is consistent with the throat circle center of the worm wheel, and the hobbing operation can be performed.
[0040] The terminology used in this invention is descriptive and exemplary, and not restrictive. Since this invention can be embodied in various forms without departing from the spirit or essence of the technical solution, it should be understood that the above embodiments are not limited to any of the foregoing details, but should be interpreted broadly within the spirit and scope defined by the appended claims. Therefore, all variations and modifications falling within the scope of the claims or their equivalents should be covered by the appended claims.
Claims
1. A device for rapid alignment and throat circle radius detection in worm gear machining, characterized in that, include: The system includes a dual-column height gauge with digital display, a laser displacement sensor, a data acquisition and display component, and a support frame. A base with a socket is located on the lower part of the support frame. The dual-column height gauge with digital display is connected to the support frame and has a data output interface connected to the data acquisition and display component via a cable. A scribing frame assembly is located on the side of the dual-column height gauge. The data acquisition and display component is fixed to the base and connected to the socket via a cable. The laser displacement sensor is fixed to the scribing frame assembly and connected to the socket via a cable.
2. The worm gear machining rapid alignment and worm gear throat circle radius detection device as described in claim 1, characterized in that, The scribing frame assembly has threaded holes, and the laser displacement sensor is fixed in the threaded holes.
3. The worm gear machining rapid alignment and worm gear throat circle radius detection device as described in claim 1, characterized in that, The dual-column height gauge with digital display is equipped with a handwheel, and the bracket is equipped with a threaded rod. The handwheel is mounted on the threaded rod, thus connecting the dual-column height gauge with digital display and the bracket.
4. The worm gear machining rapid alignment and worm gear throat circle radius detection device as described in claim 1, characterized in that, The data acquisition and display components include: a DC power supply module, a data acquisition module, a data processing and analysis module, and a data display module; the DC power supply module is equipped with a charging and discharging circuit and a lithium battery; the data acquisition module is equipped with a data acquisition circuit and a data acquisition button; and the data display module is equipped with a digital height gauge data display interface, a laser displacement sensor data display interface, and a worm gear throat circle radius dimension result display interface.