System for simultaneously detecting straightness of multiple small-size bars

Abstract

The utility model relates to the technical field of equipment detection systems, in particular to a system for simultaneously detecting the straightness of a plurality of small-size bars. The device comprises a supporting structure, a marble platform is arranged on the supporting structure, a linear guide rail and a positioning guide rail are arranged above the marble platform in parallel in the length direction of the marble platform, a detected bar is arranged on the positioning guide rail, and an executing mechanism is arranged on the linear guide rail. The execution mechanism slides back and forth on the linear guide rail to achieve bar detection. According to the utility model, the motor in the execution structure is used for driving the gear to move on the rack, the laser sensor is used for synchronously and flatly scanning a plurality of materials on the marble platform, acquired data are analyzed and compared, and the outer diameter sizes and straightness of the plurality of materials are calculated at the same time.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of equipment detection system, concretely relates to a system that a plurality of small size bars are carried out straightness detection simultaneously. BACKGROUND

[0002] In many fields such as machining and precision manufacturing, the straightness parameters of small size bars and the like have a crucial influence on the performance and quality of products.

[0003] Traditional straightness detection of small size bars is often carried out by means of sampling inspection, and the straightness of a single bar is detected by using a feeler gauge and a steel ruler on a platform, which has the problems of low efficiency, poor stability and large random error.

[0004] With the development of industrial production towards high precision, high efficiency and high stability, there is an urgent need for a system mechanical structure that is integrated and highly automated, can quickly and accurately detect the straightness and outer diameter of a plurality of small size bars simultaneously, and solves the problems of low efficiency, poor stability and large random error in the current detection process.

[0005] Patent No. "2023223345082" and patent name "bar measuring device" disclose a bar measuring device that can save the time of manual detection and improve the efficiency of automated production. However, the device has the problems of slow detection speed and being able to detect only one through material at a time. During the detection of the through property, the material may be shifted or rotated, resulting in deviation of the detection data. UTILITY MODEL CONTENT

[0006] The utility model discloses a plurality of small size bars are carried out straightness detection's system, the structure utilizes the motor in the execution structure to drive the gear to move on the rack, utilizes the laser sensor to the plurality of materials on the marble platform synchronous flat sweep, obtains the data and carries out the analysis comparison, calculates the outer diameter size and straightness of the plurality of materials simultaneously.

[0007] To solve the problems of the prior art, the technical scheme of the utility model is as follows: a straightness detection system for a plurality of small size bars, characterized by comprising a support structure, a marble platform is arranged on the support structure, a straight line guide rail and a positioning guide rail are arranged in parallel above the marble platform along the length direction thereof, the bar to be detected is arranged beside the positioning guide rail, an execution mechanism is arranged on the straight line guide rail, and the execution mechanism is slid back and forth on the straight line guide rail through a sliding block below the execution mechanism to realize detection of the bar.

[0008] Further, a rack is arranged on the side surface of the marble platform, and the matching part of the execution mechanism is provided with a gear.

[0009] Further, the actuating mechanism comprises a special-shaped fixing frame and a displacement sensor, a laser sensor and a motor fixed thereon, the motor is located above the linear guide rail, a transmission end at the lower part of the motor is connected with a gear, the gear is matched with a rack at the side of the marble platform, a sliding block is arranged in the linear guide rail, and the motor provides power for the gear; the actuating mechanism is driven to move forward and backward on the linear guide rail.

[0010] Further, the support structure comprises a plurality of support columns, and an adjusting bolt is arranged between the top of each support column and the marble platform to adjust the levelness of the marble platform.

[0011] Further, the laser sensor is located above the positioning guide rail.

[0012] Further, the electrical cabinet comprises an industrial computer, a controller, a network switch and a power supply, and the power supply is used for supplying power to the system.

[0013] Further, the linear guide rail is provided with two.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The utility model adopts the non-contact laser sensor to measure, and can detect a plurality of materials synchronously.

[0016] 2. The utility model sets up the laser sensor and the electrical cabinet, the detection process is integrated and high in automation degree, the detection process of the whole material can be automatically completed by the laser sensor, and the display and record of the detection structure can be automatically completed by the laser sensor;

[0017] 3. The utility model sets up the position sensor, not only can realize the straightness parameter measurement, but also can realize the limiting protection of the laser sensor.

[0018] 4. The utility model combines the marble platform, the actuating mechanism and the sensor, and can realize the fast, accurate and stable result output. DRAWINGS

[0019] Figure 1 It is a mechanical structure schematic view of the utility model;

[0020] Figure 2 It is a left view of the mechanical structure of the utility model;

[0021] Figure 3 It is an actuating mechanism of the utility model.

[0022] Reference signs: 1, support structure, 2, adjusting bolt, 3, marble platform, 4, linear guide rail, 5, positioning guide rail, 6, actuator, 7, display, 8, electrical cabinet, 9, rack, 10, drag chain, 11, drag chain support, 12, laser sensor, 13, motor, 14, sliding block, 15, gear, 16 cantilever, 17, position sensor. DETAILED DESCRIPTION

[0023] In the description of the utility model, it needs to be explained that, unless there is explicit provision and limitation, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or it can be detachable connection, or it can be integrally connected, it can be mechanical connection, or it can be electrical connection, it can be directly connected, or it can be indirectly connected through intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0024] The embodiment provides a straightness detection system for a plurality of small-size bars, which comprises a support structure 1, a marble platform 3, an actuator 6 and an electrical cabinet 8. Figures 1-3 As shown in the figure.

[0025] The marble platform 3 is arranged on the support structure 1 and is made of high-precision marble 3, which has a very low thermal expansion coefficient and excellent flatness stability, and the flatness error is within ±0.003 mm / m, thereby providing a stable and high-precision support foundation for the whole detection system and effectively isolating external vibration interference. The platform in this example is 0.3 meters thick, 4 meters long and 0.5 meters wide, and the specific size can be configured according to actual needs.

[0026] The support structure 1 comprises a plurality of support columns, the whole support structure is installed at the bottom of the high-precision marble platform 3 and stands on the ground, mainly serves as a support, and a plurality of adjusting bolts 2 with adjustable height are arranged on the support structure, the adjusting bolts are used for adjusting the levelness of the marble platform 3, so that the flatness of the corresponding detection platform is ensured.

[0027] Two linear guide rails 4 and one positioning guide rail 5 are arranged on the marble platform 3 in parallel along the length direction of the marble platform 3, the two linear guide rails 4 support the linear mechanism more stably, the bar to be detected is arranged beside the positioning guide rail 5, a sliding block 14 is installed below the actuator, the actuator slides on the linear guide rail 4 through the sliding block 14, and the actuator 6 slides on the linear guide rail 4 by cooperating with the rack and the gear.

[0028] The actuator 6 comprises a special-shaped fixing frame and a displacement sensor 17, a laser sensor 12 and a motor 13 fixed on the special-shaped fixing frame. The motor is located above the linear guide rail 4, and a gear 15 is connected to the transmission end of the lower part of the motor. Figure 3The detection of the bar is realized by sliding on the linear guide rail 4; the high-precision micro linear guide rail 4 is 4 meters long, and is matched with the low-friction sliding block 14, so that the actuator installed on the sliding block can stably and accurately move along the axial direction of the bar to be detected; the rack 9 is arranged on the side of the marble platform, the matching part of the actuator is provided with the gear 15, the motor 13 drives the gear 15 to rotate and cooperate with the rack 9, so as to provide power for the movement of the whole actuator 6 along the linear guide rail 4; the laser sensor 12 can simultaneously detect and calculate a plurality of materials according to the original position information provided by the positioning guide rail 5, and the feedback data is finally transmitted to the display 7 terminal.

[0029] The tail part of the actuator 6 is connected with the drag chain 10, and the chain is used for storing all the matched cables between the actuator 6 and the electrical cabinet 8; the drag chain support 11 fixes and supports the chain.

[0030] The above-mentioned electrical cabinet 8 is the prior art, including an industrial computer, a controller, a network switch and a power supply, and is used for power supply and data conversion of the detection laser sensor 12 and the position sensor 17; the laser sensor 12 is located above the positioning guide rail 5, and the positioning guide rail 5 provides reference position information for the detection result; the display 7 is installed on the side of the left side of the marble platform 3, and is used for man-machine interaction, parameter setting, display of parameters in the test process and the straightness detection result, such as Figure 1 As shown on the left side; the cantilever 16 with three free-rotating structures is fixed on the side of the marble platform 3, and connects and supports the display 7, so that the position of the display 7 can be adjusted, and operation and viewing are facilitated. The position sensor 17 can automatically detect the movement of the laser sensor 12 in the equipment detection process, so as to complete the straightness parameter measurement of the whole material. The structure is composed of a servo controller, a speed reducer and corresponding mechanical connection components, and is the prior art. The position sensor 17 is installed at the starting and ending positions of the high-precision micro linear guide rail assembly, and is mainly used for end limit protection of the actuator 6, so that forced operation stop can be realized to prevent misoperation.

[0031] The above-mentioned positioning guide rail 5 is installed on the marble platform 3 close to the high-precision micro linear guide rail 4, and is also located below the scanning measurement sensor during work, so as to standardize the material position assembly and provide 0-point position information when a plurality of bars are placed.

[0032] The working method of the utility model:

[0033] A plurality of bars are placed in the positioning device range of the high-precision marble platform, the detection system is started, the system uses the actuator and the corresponding position sensor to detect the structure assembly unit provided with the laser sensor for measurement along the high-precision micro linear guide rail assembly from left to right, when the material ends or reaches the right edge of the detection platform, the actuator reverses and stops at the starting position on the left, and the detection result is displayed on the display terminal, and the detection process is completed.

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0035] The above is only the preferred embodiments of the present application, and is not used to limit the protection scope of the present application. It should be pointed out that, without departing from the principles of the present application, some improvements and decorations can be made on the present application by those skilled in the art, and all the improvements and decorations should be regarded as the protection scope of the present application.

Claims

1. A system for simultaneously detecting straightness of a plurality of small-size bars, characterized by, Including support structure (1) and electrical cabinet (8), support structure (1) is provided with marble platform (3), the linear guide (4) and the positioning guide (5) are provided in the length direction of the marble platform (3) above, the bar to be detected is arranged in the positioning guide (5) side, the actuating mechanism (6) is arranged on the linear guide (4), the actuating mechanism (6) is slid back and forth on the linear guide (4) through the slider (14) below and realizes the detection of bar.

2. A system for simultaneously detecting straightness of a plurality of small size bars as claimed in claim 1, wherein The side of the marble platform (3) is provided with a rack (9), and the matching part of the actuating mechanism is provided with a gear (15).

3. A system for simultaneously detecting straightness of a plurality of small-size rods according to claim 1 or 2, characterized in that, The actuating mechanism (6) includes a special-shaped fixing frame and a displacement sensor (17), a laser sensor (12) and a motor (13) fixed thereon, the motor is located above the linear guide (4), the transmission end of the lower part thereof is connected with the gear (15), which is matched with the rack (9) on the side of the marble platform (3), the slider (14) is arranged in the linear guide (4), the motor (13) provides power for the gear (15); drive the actuating mechanism (6) to move forward and backward on the linear guide (4).

4. A system for simultaneously detecting straightness of a plurality of small size bars as claimed in claim 3 wherein, The support structure (1) includes a plurality of support columns, and an adjusting bolt is arranged between the top of each support column and the marble platform (3) for adjusting the levelness of the marble platform (3).

5. A system for simultaneously detecting straightness of a plurality of small size bars as claimed in claim 4 wherein, The laser sensor (12) is located above the positioning guide (5).

6. A system for simultaneously detecting straightness of a plurality of small size bars as claimed in claim 5 wherein, The electrical cabinet (8) includes an industrial computer, a controller, a network switch and a power supply, and the power supply is used for power supply of the system.

7. A system for simultaneously detecting straightness of a plurality of small size bars as claimed in claim 5 wherein, The linear guide (4) is provided with two.

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