CN216645243U

CN216645243U - Portable laser differential thickness measuring device

Info

Publication number: CN216645243U
Application number: CN202123045662.5U
Authority: CN
Inventors: 陶卫; 赵辉; 万松
Original assignee: Changzhou Golden Sensing Technology Co ltd
Current assignee: Changzhou Golden Sensing Technology Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-05-31
Anticipated expiration: 2031-12-06

Abstract

The utility model provides a portable laser differential thickness measuring device which comprises a base, wherein a clip-shaped main body is arranged on the base, a shell is arranged outside the clip-shaped main body, a controller is also arranged on the clip-shaped main body, laser distance measuring sensors are vertically and oppositely arranged on a bracket of the clip-shaped main body, and the laser controller is electrically connected with the controller; be equipped with the rotary guide rail subassembly on the base, the rotary guide rail subassembly is including rotating end rail and rotating base, and rotating base slides and locates on rotating end rail, is equipped with the objective table subassembly on the rotating base. The utility model has the advantages of small and simple structure, flexibility, easy disassembly and assembly, convenient carrying and transportation and better compatibility.

Description

Portable laser differential thickness measuring device

Technical Field

The utility model belongs to the technical field of automatic measurement, and particularly relates to a portable laser differential thickness measuring device.

Background

In the context of smart manufacturing 2025, workpiece thickness measurement is one of the key links to ensure production quality. The non-contact differential measurement method with the sensors symmetrically arranged above and below the workpiece can effectively eliminate measurement errors caused by workpiece inclination and station jitter, and is widely applied to thickness measurement scenes. The industrial field workpiece thickness differential non-contact measurement method comprises ray, ultrasonic, current vortex, laser and the like. Among them, laser measurement has been widely used in recent years for workpiece inspection as a high-precision non-contact measurement means with the advantages of high precision, high speed, no radiation pollution, etc.

Among the prior art, laser thickness measuring device often is bulky, the quality is heavy, be not convenient for transport and later maintenance cost are higher. In particular, intelligent manufacturing puts new requirements on equipment miniaturization, so that the development of a set of laser thickness measuring device convenient to carry, disassemble and transport is necessary.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a portable laser differential thickness measuring device which is small and simple in structure, flexible, easy to assemble and disassemble, convenient to carry and good in compatibility.

The utility model provides the following technical scheme:

the application provides a portable laser differential thickness measuring device which comprises a base, wherein a clip-shaped main body is arranged on the base, a shell is arranged outside the clip-shaped main body, a controller is also arranged on the clip-shaped main body, laser distance measuring sensors are vertically and oppositely arranged on a bracket of the clip-shaped main body, and the laser controller is electrically connected with the controller; the rotary guide rail assembly is arranged on the base and comprises a rotary bottom rail and a rotary base, the rotary base is slidably arranged on the rotary bottom rail, and an object stage assembly is arranged on the rotary base.

Preferably, the paper clip main body is made of marble, and the shell is made of carbon fiber.

Preferably, the rotating base comprises a fixing column and at least two rotating rails sleeved on the outer side of the fixing column, the fixing column is slidably arranged on the rotating bottom rail, the included angle between every two adjacent rotating rails is adjustable, and the included angle range is (0 degrees and 180 degrees).

Preferably, the rotating bottom rail and the rotating rail both adopt high-precision grating or magnetic grating linear guide rails and are electrically connected with a controller.

Preferably, the objective table assembly comprises at least two brackets and a clamping cover plate, the brackets are respectively and vertically arranged on the rotary rail through fasteners, and the clamping cover plate is arranged on the brackets.

Preferentially, be equipped with magnetism on the support and inhale formula anchor clamps, the clamping apron is fixed to be located on the support through magnetism type anchor clamps.

Preferentially, be equipped with the ladder groove on the clamping apron, the ladder inslot is equipped with the work piece that awaits measuring, and the ladder groove shape includes rectangle, square and circular.

The utility model has the beneficial effects that:

1. the thickness measuring device can measure the thickness of workpieces with various specifications and thicknesses, can drive the workpiece to be measured to rotate through the rotating bottom rail and the rotating base under the premise that the laser ranging sensor is fixed, can measure the thickness of a plurality of parts of the workpiece to be measured, has good robustness, flexibility and measuring efficiency, and can be widely applied to industrial automation scenes;

2. the size is smaller, and the loading, unloading and carrying are convenient.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

fig. 1 is a schematic diagram of the connection of the present invention.

Detailed Description

As shown in fig. 1, the present application provides a portable laser differential thickness measuring device, which includes a base 1, a rectangular main body 2 is disposed on the base 1, and the rectangular main body 2 is made of marble and is in a shape of a gantry. The shell 21 is arranged outside the square-shaped main body 2, and in order to prevent external non-artificial sudden external loads from impacting the marble square-shaped gantry main body support 51, the carbon fiber shell 21 is adopted as the shell 21, so that the impact resistance of the device is improved. The base 1 and the support 51 of the marble clip-shaped main body 2 are separately and independently designed and are connected through a rib plate, so that the maintenance and the disassembly are convenient. The clip body 2 is also provided with a controller 22.

As shown in fig. 1, the bracket 51 of the rectangular main body 2 is vertically and oppositely provided with the laser ranging sensors 3, and the laser controller 22 is electrically connected with the controller 22 and used for converting the collected data and calculating the thickness measurement value.

As shown in fig. 1, a rotary guide rail assembly 4 is disposed on the base 1, the rotary guide rail assembly 4 includes a rotary bottom rail 41 and a rotary base 42, and the rotary base 42 is slidably disposed on the rotary bottom rail 41. The rotary base 42 comprises a fixed column 421 and at least two rotary rails 422 sleeved outside the fixed column 421, the fixed column 421 is slidably arranged on the rotary bottom rail 41, the included angle between adjacent rotary rails 422 is adjustable, the included angle range is (0 degrees, 180 degrees) ].

As shown in fig. 1, the revolving base 42 is provided with an object stage assembly 5, the object stage assembly 5 includes at least two brackets 51 and a clamping cover plate 52, the brackets 51 are respectively vertically arranged on the revolving rail 422 through fasteners, and the clamping cover plate 52 is arranged on the brackets 51. Be equipped with magnetism on the support 51 and inhale formula anchor clamps, the clamping apron 52 is fixed on the support 51 through magnetism and inhale the formula anchor clamps, is convenient for have the replacement of the clamping apron 52 that corresponds shape ladder groove 53. The clamping cover plate 52 is provided with a stepped groove 53, a workpiece to be detected is arranged in the stepped groove 53, and the stepped groove 53 is rectangular, square and circular, so that workpieces to be detected in various shapes can be conveniently embedded into the stepped groove 53.

As shown in fig. 1, the method of the present invention includes the following steps:

1. according to the measurement requirement of the workpiece to be measured, the rotary bottom rail 41 is controlled to drive the rotary base 42 to move, and the position of the rotary base 42 on the rotary bottom rail 41 is adjusted; adjusting the included angle of the adjacent rotary rails 422 according to the size of the clamping cover plate 52; according to the cross-sectional shape of the workpiece to be measured, the clamping cover plate 52 having a shape corresponding to the stepped groove 53 is selected.

2. After the workpiece to be measured is fixed, the controller 22 controls the rotating bottom rail 41 to move step by step or rotate at a certain interval and then move to a position between the opposite laser ranging sensors 3, the rotating rail 422 drives the clamping cover plate 52 and the workpiece to be measured to move step by step or rotate at a certain interval through the bracket 51 and then move, the workpiece to be measured moves along the cross section shape of the workpiece to be measured, multi-point measurement is carried out, and the measurement data is uploaded to the controller 22. When the workpiece to be measured is in a linear type, the workpiece only needs to move, and when the workpiece to be measured is in an arc shape, the workpiece needs to rotate first and then move.

3. The controller 22 converts the data collected by the laser ranging sensor 3 and calculates a difference, which is the thickness of the workpiece to be measured. The measured value of the upper laser ranging sensor 3 is x1, and the measured value of the lower laser ranging sensor 3 is x2, and the thickness value d of one point of the workpiece to be measured is L- (x1+ x2), where L is the distance between the upper laser ranging sensor 3 and the lower laser ranging sensor 3.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a portable laser difference thickness measuring device, includes the base, be equipped with back the type main part on the base, it is equipped with the shell to return the type main part outward, still is equipped with controller, its characterized in that in returning the type main part: the rectangular main body support is vertically and oppositely provided with laser ranging sensors, and the laser controller is electrically connected with the controller; the rotary guide rail assembly is arranged on the base and comprises a rotary bottom rail and a rotary base, the rotary base is slidably arranged on the rotary bottom rail, and an object stage assembly is arranged on the rotary base.

2. The portable laser differential thickness gauge according to claim 1, wherein: the hollow square-shaped main body is made of marble materials, and the shell is made of carbon fiber shells.

3. The portable laser differential thickness gauge according to claim 1, wherein: the rotary base comprises a fixed column and at least two rotary rails sleeved on the outer sides of the fixed column, the fixed column is arranged on the rotary bottom rail in a sliding mode, the included angle between every two adjacent rotary rails is adjustable, and the included angle range is (0 degrees and 180 degrees).

4. The portable laser differential thickness gauge according to claim 1, wherein: the rotating bottom rail and the rotating rail both adopt high-precision grating or magnetic grating linear guide rails and are electrically connected with a controller.

5. A portable laser differential thickness gauge according to claim 3, wherein: the objective table component comprises at least two supports and a clamping cover plate, the supports are respectively and vertically arranged on the rotary rail through fasteners, and the clamping cover plate is arranged on the supports.

6. The portable laser differential thickness gauge according to claim 5, wherein: the magnetic type clamp is arranged on the support, and the clamping cover plate is fixedly arranged on the support through the magnetic type clamp.

7. The portable laser differential thickness gauge according to claim 5, wherein: the clamping cover plate is provided with a stepped groove, a workpiece to be detected is arranged in the stepped groove, and the stepped groove comprises a rectangle, a square and a circle.