CN216382392U - Single-shaft motion control transmission device - Google Patents

Abstract

The utility model relates to a single-shaft motion control transmission device which mainly comprises a transmission device, a supporting device, a sensor connecting device and an indicating device. The transmission device comprises a lead screw, an optical axis, a motion platform, a rubber stop block, a metal shaft and a plastic shaft; the supporting device comprises a bottom plate, a left baffle, a right baffle and a motor bracket; the sensor connecting device comprises an encoder mounting bracket, a proximity switch bracket and a proximity switch bracket mounting block; the indicating device comprises a circular dial, a circular dial pointer, a horizontal scale and a horizontal scale pointer. The device can realize the accurate recognition and control to linear displacement volume and angular displacement volume, still is provided with the proximity switch of two kinds of different grade types, can realize detecting metal and nonmetal after two axles are close to the different proximity switch in both sides respectively, has expanded motion platform's application range, has compensatied single-axis motion control device function singleness on the market, and control accuracy is poor, measures unsafe shortcoming.

Description

A single-axis motion control transmission

technical field

The utility model relates to a transmission device, in particular to a single-axis motion control transmission device.

Background technique

Single-axis motion control transmission has important applications in stepper motor control and servo motor control, and can provide convenient visual operations for the corresponding control design learning and control design verification in the early stage of equipment development.

At present, the single-axis motion controller has been widely used in automatic production line teaching equipment, actual production equipment of automatic production line, handling equipment, logistics control equipment and other production equipment, which can realize automatic operation. However, because the functions of the equipment produced by the existing equipment manufacturers are relatively single, the control operation is not conducive to diversified operations, and it is difficult to realize the comprehensive design and application of the motion control system.

Chinese patent CN202020801739.3 discloses a single-axis workbench teaching aid. The device has the following shortcomings: 1. There is no dial for detecting the rotation angle of the rotating shaft, so the rotation angle cannot be accurately recognized during operation; 2. The type of proximity switch Single, the scope of use is relatively small; 3. Although the measurement accuracy of the electronic ruler is high, the installation and debugging are complicated, the component price is high, and the use and maintenance costs are high.

SUMMARY OF THE INVENTION

The technical problem to be solved by the utility model is: to provide a single-axis motion control transmission device, which can realize the accurate reading and control of linear displacement and angular displacement, and is also provided with two different types of proximity switches, It makes up for the shortcomings of single-axis motion control devices on the market, such as single function, poor control accuracy and inaccurate measurement.

The technical solution for solving the above technical problems is: a single-axis motion control transmission device, comprising a lead screw, a circular dial, a horizontal scale, a motion platform, a base, and a left baffle, a right baffle, and a motor sequentially installed on the base. Bracket, the screw rod of the lead screw is movably installed on the left baffle and the right baffle and extends out of the left baffle and the right baffle. There are also two optical shafts between the baffle and the right baffle, the two ends of the moving platform pass through the two optical shafts respectively, the two ends of the moving platform are also connected with rubber stoppers, one end of the moving platform is provided with a metal shaft, and the other end A plastic shaft is provided, and a proximity switch bracket is installed on both sides of the left baffle and the right baffle through the proximity switch bracket mounting block, and a plurality of inductive proximity switches matched with the metal shaft are installed on the proximity switch bracket on the side near the metal shaft Switch, a plurality of capacitive proximity switches matched with the plastic shaft are installed on the proximity switch bracket on one side of the plastic shaft, the horizontal scale is parallel to the screw rod of the lead screw and fixed on the upper ends of the left and right baffles, moving A horizontal scale pointer is installed on the platform, the circular dial is installed on the screw rod of the lead screw and is close to the right baffle, and a circular dial pointer is arranged on the right baffle.

An encoder mounting bracket is arranged on the left baffle.

Micro-motion limit switches are arranged on the left baffle and the right baffle.

The utility model has the advantages of low cost, good reliability, convenient debugging and installation, complete functions, and can realize precise and effective positioning control of the stepping motor and the servo motor under different displacements, speeds and accelerations. It can not only do single-axis motion control under simple working conditions, but also single-axis motion control under high-precision complex working conditions. The specific beneficial effects are described as follows:

1. The right end of the screw of the screw of the present utility model is equipped with a circular dial, which can rotate together with the screw, and the rotation angle can be read by the pointer mark of the circular dial. The part of the left end of the lead screw extending out of the left baffle is used to connect the encoder installed on the encoder bracket, and is used to measure the linear displacement or angular displacement of the stepper motor or servo motor.

2. The two sides of the motion platform are respectively connected with metal shafts and plastic shafts, and proximity switch devices are installed on both sides of the left and right baffles. The proximity switches are two different types of proximity switches: one is inductive type, the other The type is capacitive type. When the two axes are approached to different proximity switches on both sides, metal and non-metal can be detected, which expands the scope of use of the motion platform.

3. The horizontal scale pointer is installed on the moving platform, which can realize the reading of the linear displacement of the moving platform, and the reading is intuitive, there is no delay phenomenon, and the error is small. The adopted level scale is low in price, simple in installation, and low in use and maintenance costs.

4. Rubber stops are installed on the motion platform, and micro-motion limit switches are installed on the left and right baffles, which can realize the overtravel protection of the motion platform. Protect the role of sports equipment.

Hereinafter, the technical features of a single-axis motion control transmission device of the present invention will be further described with reference to the accompanying drawings and embodiments.

Description of drawings

Figure 1: One of the perspective views of a single-axis motion control transmission device of the present invention.

Figure 2: The second perspective view of a single-axis motion control transmission device of the present invention.

Figure 3: Front view of a single-axis motion control transmission device of the present invention.

Detailed ways

Embodiment: a single-axis motion control transmission device, as shown in Figures 1-3, includes a lead screw 8, a circular dial 5, a horizontal scale 17, a motion platform 14, a base 9 and a left The baffle plate 18, the right baffle plate 10, the motor bracket 7, the screw rod of the lead screw is movably installed on the left baffle plate 18 and the right baffle plate 10 and extends out of the left baffle plate and the right baffle plate, and one end of the screw rod of the lead screw also passes through The motor bracket 7, the motion platform 14 are connected with the nut of the lead screw 8, and two optical axes 11 are also arranged between the left baffle and the right baffle, and the two ends of the motion platform 14 respectively pass through the two optical axes 11, The ends are respectively connected with rubber stoppers 15, one end of the motion platform 14 is provided with a metal shaft 4, and the other end is provided with a plastic shaft 13, the two sides of the left baffle and the right baffle are respectively installed with proximity switches through the proximity switch bracket mounting block 1 Bracket 2. A plurality of inductive proximity switches matched with the metal shaft are installed on the proximity switch bracket on the side close to the metal shaft. Switch 16, the horizontal scale 17 is parallel to the screw of the lead screw and is fixed on the upper end of the left baffle 18 and the right baffle 10, the horizontal scale pointer 12 is installed on the moving platform, and the circular dial 5 is installed on the lead screw On the screw and close to the right baffle 10, a circular dial pointer 6 is arranged on the right baffle.

In this embodiment, an encoder mounting bracket 19 is provided on the left baffle. Micro limit switches 20 are arranged on the left baffle and the right baffle.

The utility model is mainly composed of a transmission device, a supporting device, a sensor connecting device and an indicating device. The transmission device includes lead screw, optical shaft, motion platform, rubber stopper, metal shaft and plastic shaft; the support device includes the base plate, the left baffle, the right baffle and the motor bracket; the sensor connection device includes the encoder mounting bracket, proximity switch Bracket and proximity switch bracket mounting block; indicating device includes circular dial, circular dial pointer, horizontal scale and horizontal scale pointer. When the lead screw is connected to a stepper motor or a servo motor, the lead screw rotates with the motor, converting the circular motion into linear motion and driving the motion platform to move. The utility model can be used not only for the transmission control of the stepping motor but also for the transmission control of the servo motor, and can realize the accurate reading and control of the linear displacement and the angular displacement. It makes up for the shortcomings of single-axis motion control devices on the market, such as single function, poor control accuracy and inaccurate measurement.

Claims (3)

1. A single-axis motion control transmission device, characterized in that it comprises a lead screw (8), a circular dial (5), a horizontal scale (17), a motion platform (14), a base (9) and a The left baffle (18), right baffle (10) and motor bracket (7) on the base, the screw of the lead screw is movably installed on the left baffle and right baffle and extends out of the left baffle and right baffle, One end of the screw rod of the lead screw also passes through the motor bracket, the moving platform is connected with the nut of the lead screw, two optical axes (11) are also arranged between the left baffle and the right baffle, and the two ends of the moving platform respectively pass through the two optical shafts. The two ends of the motion platform are respectively connected with rubber stoppers (15), one end of the motion platform is provided with a metal shaft (4), and the other end is provided with a plastic shaft (13), and the left and right sides of the baffle pass through respectively. The proximity switch bracket mounting block (1) is installed with a proximity switch bracket (2), and a plurality of inductive proximity switches (3) matched with the metal shaft are installed on the proximity switch bracket on the side close to the metal shaft. A plurality of capacitive proximity switches (16) matched with plastic shafts are installed on the proximity switch bracket. The horizontal scale is parallel to the screw rod of the lead screw and is fixed on the upper ends of the left and right baffles. A horizontal scale is installed on the motion platform. A scale pointer (12), the circular dial is installed on the screw rod of the lead screw and is close to the right baffle, and a circular dial pointer (6) is arranged on the right baffle. 2 . The single-axis motion control transmission device according to claim 1 , wherein an encoder mounting bracket ( 19 ) is arranged on the left baffle. 3 . 3. A single-axis motion control transmission device according to claim 1 or 2, characterized in that: micro-motion limit switches (20) are arranged on the left baffle and the right baffle.

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