CN218895168U

CN218895168U - Driving device of roughness detection equipment

Info

Publication number: CN218895168U
Application number: CN202222833150.3U
Authority: CN
Inventors: 黄朝江; 吴小燕; 黄丽华
Original assignee: Qingdao Railway Transportation Inspection And Testing Certification Co ltd
Current assignee: Qingdao Railway Transportation Inspection And Testing Certification Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-04-21
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses a driving device of roughness detection equipment, which comprises a base frame and a driving mechanism, wherein the outline of the inner side of the base frame is in a rectangular frame form, the driving mechanism comprises a movable seat arranged at the upper part of the inner side of the base frame, guide posts are penetrated through the two ends of the movable seat in a sliding way, and the movable seat is supported in a left-right limiting sliding way through the guide posts and guide holes, so that the movable seat is more stable when driving the detection device to move, meanwhile, the driving device is simple in structure and high in reliability, when driving is required, a controller can start and control a servo motor to drive a threaded screw to rotate at a uniform speed, then a ball screw can convert axial rotation force into linear pushing force under the rotation pushing of the threaded screw and stably move along the direction of the guide posts, and therefore, the moving linearity and the running stability of the driving device can be effectively improved through the mutual cooperation of the guide posts, the guide holes, the ball screw and the threaded screw, and the threaded screw are effectively prevented from being interfered by vibration.

Description

Driving device of roughness detection equipment

Technical Field

The utility model relates to the technical field of driving mechanisms of roughness detection devices, in particular to a driving device of roughness detection equipment.

Background

The surface roughness measurement is a measurement mode of microscopic geometry of the surface of the workpiece, so that the flatness and smoothness of the processing trace of the surface of the workpiece are obtained; at present, one of the driving devices of the traditional roughness measuring instrument consists of a driving belt pulley, a belt, a driven belt pulley, a gear, a rack and a sliding seat, namely a belt transmission mode; the driving belt pulley is driven by the motor, when the motor is started, the driving belt pulley drives the driven belt pulley, the driven belt pulley drives the gear, the gear drives the rack, the rack drives the sliding seat, and the sliding seat drives the sensor to slide on the surface of the part for measurement; however, there is also a disadvantage in that the driving device easily transmits vibration generated when the rack and pinion is driven to the slide, and thus generates a vibration false signal through the amplifier, and directly affects the authenticity and stability of the measured value, and in view of the above-mentioned problems, we propose a driving device of the roughness detecting apparatus.

Disclosure of Invention

The utility model aims to provide a driving device of roughness detection equipment, so as to solve the problem that the traditional belt transmission mode proposed in the background art is easy to transmit vibration generated during gear-rack transmission to a sliding seat during driving, and further vibration false signals are generated through an amplifier.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a roughness test equipment's drive arrangement, includes a drive assembly that comprises bed frame and actuating mechanism, the inboard profile of bed frame is rectangular frame form, and the work piece is held to the inboard bottom of bed frame still fixation clamp simultaneously, actuating mechanism is including setting up in the removal seat on the inboard upper portion of bed frame, it has the guide pillar to remove the seat both ends slip and run through, and the guide pillar sets up respectively in the both sides that remove the seat simultaneously to the both ends of guide pillar are fixed in the bed frame inner wall, the central line position of bed frame runs through and constitutes threaded connection's screw rather than it, and be parallel to each other between threaded screw and the two guide pillars, threaded screw's one end is connected with servo motor, the top of removing the seat still is provided with the support crossbearer.

Preferably, the two ends of the threaded screw rod are embedded into the inner wall of the base frame and are in rotary connection with the base frame through bearings, the servo motor is fixedly arranged on one side of the outer wall of the base frame, the output end of the servo motor is fixedly connected with one end of the threaded screw rod, and a detection device for measuring the surface roughness of a workpiece is further arranged at the bottom of the movable seat.

Preferably, the ball screw matched with the threaded screw is fixed at the middle part of the inner part of the movable seat, and the threaded screw is threaded through the ball screw inner hole.

Preferably, guide holes matched with the guide posts are axially formed in the two sides of the inner part of the movable seat, the movable seat is in horizontal sliding connection with the base frame through the guide posts and the guide holes, and the guide posts are arranged along the length direction of the base frame.

Preferably, the supporting cross frame is arranged at the center of the top of the movable seat and is perpendicular to the threaded screw rod, and spring extension dampers which are in perpendicular elastic connection with the movable seat are arranged at two ends of the bottom of the supporting cross frame.

Preferably, the upper portion of supporting the crossbearer is a U type groove structure, the inboard both ends that the supporting the crossbearer to be located U type groove structure are provided with the running roller, wherein, the running roller passes through constitutes swivelling joint between axostylus axostyle and the supporting the crossbearer to the top of running roller offsets with the inboard top of bed frame and pastes.

Compared with the prior art, the utility model has the beneficial effects that: limiting sliding support about to remove seat formation through guide pillar and guiding hole for remove the seat) and more stable when driving detection device and remove, simple structure, reliability are high simultaneously, and, can further improve this drive arrangement's removal linearity and operating stability under the mutually supporting of guide pillar, guiding hole, ball formula screw and screw, effectually prevent that it from appearing vibration interference's problem, simultaneously, support crossbearer, spring stretch under the mutually supporting of attenuator and running roller can be still further improvement remove the seat and to the inertia resistance when removing, make it more stable when sliding.

Drawings

FIG. 1 is a schematic view of the overall external structure of the present utility model;

FIG. 2 is a schematic diagram of the overall front view of the present utility model;

fig. 3 is a schematic view of the external structure of the driving mechanism of the present utility model.

In the figure: 1. a base frame; 2. a driving mechanism; 21. a movable seat; 210. a guide hole; 22. a guide post; 23. a threaded lead screw; 24. ball screw; 25. a servo motor; 26. a supporting cross frame; 260. a spring extending damper; 261. a roller; 3. and a detection device.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

Fig. 1 to 3 are all schematic structural views of a driving device of a roughness detecting device according to the present utility model, referring to fig. 1 to 3, the driving device of a roughness detecting device according to the present embodiment includes a driving assembly composed of a base frame 1 and a driving mechanism 2, wherein the inner side profile of the base frame 1 is in a rectangular frame form, meanwhile, the bottom of the inner side of the base frame 1 is fixedly clamped with a workpiece, the driving mechanism 2 includes a movable seat 21 disposed at the upper portion of the inner side of the base frame 1, two ends of the movable seat 21 are slidably penetrated by guide posts 22, meanwhile, the guide posts 22 are disposed at two sides of the movable seat 21, two ends of the guide posts 22 are fixed to the inner wall of the base frame 1, a threaded lead screw 23 in threaded connection with the central line portion of the base frame 1 is penetrated, and the threaded lead screw 23 and the two guide posts 22 are parallel to each other, one end of the threaded lead screw 23 is connected with a servo motor 25, and a supporting cross frame 26 is further disposed at the top of the movable seat 21.

In this embodiment, the two ends of the threaded screw 23 are embedded in the inner wall of the base frame 1, and form a rotary connection with the base frame 1 through the bearing, the servo motor 25 is fixedly installed on one side of the outer wall of the base frame 1, the output end of the servo motor is fixedly connected with one end of the threaded screw 23, the bottom of the movable seat 21 is further provided with a detection device 3 for measuring the surface roughness of a workpiece, the ball screw 24 matched with the threaded screw 23 is fixed at the middle of the inside of the movable seat 21, the threaded screw 23 is threaded through the inner hole of the ball screw 24, the guide holes 210 matched with the guide posts 22 are axially penetrated at the two sides of the inside of the movable seat 21, the movable seat 21 is in horizontal sliding connection with the base frame 1 through the guide posts 22 and the guide holes 210, and the guide posts 22 are arranged along the length direction of the base frame 1, the left and right limit sliding support formed by the guide posts 22 and the guide holes 210 is made to the movable seat 21, so that the movable seat 21 is more stable when the detection device 3 is driven to move, and meanwhile, the controller starts and controls the servo motor 25 to drive the thread 23 to rotate at a uniform speed when the driving is required, and the ball pushing mechanism adopts a thread pair form, the ball pushing mechanism has the stable thread form, and the high efficiency, and the axial direction of the guide screw can be effectively interfered by the guide posts 23 and the guide screws can be driven by the guide screws and the guide screws 23 to rotate along the axial direction of the guide posts 23, and the axial direction can be effectively and the vibration and the stable.

Further, the supporting cross frame 26 is arranged at the center of the top of the movable seat 21 and is perpendicular to the threaded screw rod 23, the two ends of the bottom of the supporting cross frame 26 are provided with the spring extension damper 260 which is perpendicular to the movable seat 21 and is in elastic connection, the upper portion of the supporting cross frame 26 is of a U-shaped groove structure, the two ends of the inner side of the supporting cross frame 26, which are positioned on the U-shaped groove structure, are provided with the roller 261, wherein the roller 261 is in rotary connection with the supporting cross frame 26 through the shaft rod, the top of the roller 261 abuts against the top of the inner side of the base frame 1, in order to further improve the operation stability of the movable seat 21, in the horizontal movement process of the movable seat 21, the roller 261 can elastically abut against the base frame 1 and the movable seat 21 under the supporting cooperation of the supporting cross frame 26 and the spring extension damper 260, meanwhile, the outer wall of the roller 261 is made of silicon rubber, and the linear inertia resistance of the movable seat 21 during movement can be effectively improved under the mutual cooperation of the mechanisms, so that the roller is more stable during sliding.

In summary, in the driving process, the driving device of the roughness detecting device of this embodiment is supported by the guide post 22 and the guide hole 210 in a left-right limiting sliding manner, so that the moving seat 21 is more stable when the detecting device 3 is driven to move, and meanwhile, the driving device is simple in structure and high in reliability, when the driving is required, the controller can start and control the servo motor 25 to drive the threaded screw 23 to rotate at a uniform speed, then the ball screw 24 can convert axial rotation force into linear pushing force under the rotation pushing of the threaded screw 23 and stably move along the direction of the guide post 22, and therefore, the moving linearity and the running stability of the driving device can be effectively improved and the problem of vibration interference can be effectively prevented through the mutual cooperation of the guide post 22, the guide hole 210, the ball screw 24 and the threaded screw 23.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a roughness measurement equipment's drive arrangement, its characterized in that includes bed frame (1) and actuating mechanism (2), the inboard profile of bed frame (1) is rectangular frame form, actuating mechanism (2) are including setting up in the removal seat (21) on the inboard upper portion of bed frame (1), it has guide pillar (22) to remove seat (21) both ends slip, and guide pillar (22) set up respectively in the both sides that remove seat (21) simultaneously to the both ends of guide pillar (22) are fixed in bed frame (1) inner wall, bed frame (1) central line position run through have screw (23) rather than constituting threaded connection, and be parallel to each other between screw (23) and two guide pillars (22), the one end of screw (23) is connected with servo motor (25), the top of removing seat (21) still is provided with support crossbearer (26).

2. The driving device of the roughness detecting apparatus as claimed in claim 1, wherein: the two ends of the threaded lead screw (23) are embedded into the inner wall of the base frame (1) and are in rotary connection with the base frame (1) through bearings, the servo motor (25) is fixedly arranged on one side of the outer wall of the base frame (1), the output end of the servo motor is fixedly connected with one end of the threaded lead screw (23), and the bottom of the movable seat (21) is further provided with a detection device (3) for measuring the surface roughness of a workpiece.

3. The driving device of the roughness detecting apparatus as claimed in claim 1, wherein: the ball screw (24) matched with the threaded screw (23) is fixed at the middle of the inner part of the movable seat (21), and the threaded screw (23) is threaded through an inner hole of the ball screw (24).

4. The driving device of the roughness detecting apparatus as claimed in claim 1, wherein: guide holes (210) matched with the guide posts (22) are axially formed in the two sides of the inner part of the movable seat (21), the movable seat (21) is horizontally connected with the base frame (1) in a sliding mode through the guide posts (22) and the guide holes (210), and the guide posts (22) are arranged along the length direction of the base frame (1).

5. The driving device of the roughness detecting apparatus as claimed in claim 4, wherein: the supporting transverse frame (26) is arranged at the center of the top of the movable seat (21) and is perpendicular to the threaded screw rod (23), and spring extension dampers (260) which are perpendicular and elastically connected with the movable seat (21) are arranged at two ends of the bottom of the supporting transverse frame (26).

6. The driving device of the roughness detecting apparatus as claimed in claim 5, wherein: the upper portion of supporting the crossbearer (26) is a U type groove structure, supporting the inboard both ends that the crossbearer (26) are located U type groove structure are provided with running roller (261), and wherein, running roller (261) constitute swivelling joint through between axostylus axostyle and the supporting crossbearer (26) to the top of running roller (261) offsets with bed frame (1) inboard top and pastes.