CN212806925U

CN212806925U - Laser detection device

Info

Publication number: CN212806925U
Application number: CN202021562050.6U
Authority: CN
Inventors: 谢卫锋; 孙杰; 尹建刚; 高云峰
Original assignee: Han s Laser Technology Industry Group Co Ltd
Current assignee: Han s Laser Technology Industry Group Co Ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-03-26
Anticipated expiration: 2030-07-31

Abstract

The utility model relates to a laser detection device, include: a frame; the material loading mechanism is arranged on the rack and used for loading a workpiece to be tested; detection mechanism, including mounting panel and two at least laser range finder, mounting panel swing joint in the frame, two at least laser range finder along vertical direction interval set up in the mounting panel to be used for respectively right the laser rangefinder is carried out on two surfaces of the back of the body of awaiting measuring the work piece mutually. According to the laser detection device, the laser range finders are arranged on the mounting plate at intervals in the vertical direction and are respectively used for carrying out laser range finding on the two surfaces, back to back, of the workpiece to be measured, the thickness of the workpiece to be measured is obtained through calculation according to the data of the two laser range finders, and automatic measurement and data measurement of the thickness of the workpiece to be measured are achieved more accurately.

Description

Laser detection device

Technical Field

The utility model relates to a laser detection technical field especially relates to a laser detection device.

Background

The traditional laser detection device is used for bearing a workpiece to be detected on a carrier, when the thickness of the workpiece to be detected is relatively thin, the thickness of the workpiece to be detected cannot be accurately and automatically measured, and the application range is limited.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a laser inspection apparatus for solving the problem that the thickness of the workpiece cannot be accurately and automatically measured.

A laser inspection device, comprising:

a frame;

the material loading mechanism is arranged on the rack and used for loading a workpiece to be tested;

detection mechanism, including mounting panel and two at least laser range finder, mounting panel swing joint in the frame, two at least laser range finder along vertical direction interval set up in the mounting panel to be used for respectively right the laser rangefinder is carried out on two surfaces of the back of the body of awaiting measuring the work piece mutually.

According to the laser detection device, the laser range finders are arranged on the mounting plate at intervals in the vertical direction and are respectively used for carrying out laser range finding on the two surfaces, back to back, of the workpiece to be measured, the thickness of the workpiece to be measured is obtained through calculation according to the data of the two laser range finders, and automatic measurement and data measurement of the thickness of the workpiece to be measured are achieved more accurately.

In one embodiment, the detection mechanism further includes a first moving platform and a second moving platform, the mounting plate is connected to the first moving platform, the second moving platform is connected to the rack, and the first moving platform is connected to the second moving platform and is respectively used for driving the mounting plate to move along two different directions.

In one embodiment, the loading mechanism includes a fixing base and a carrier, the fixing base is disposed on the frame, and the carrier is connected to the fixing base and used for carrying a workpiece to be tested.

In one embodiment, the carrier includes two first support rods, two second support rods, a clamping block and a switching block, the two first support rods are disposed on the fixing base at intervals, the two second support rods span between the two first support rods, the switching block is sleeved on the first support rods, the second support rods are connected with the switching block, the clamping block is sleeved on the second support rods, and/or the position of the clamping block on the second support rods is adjustable.

In one embodiment, the transfer block is slidably connected to the first support bar.

In one embodiment, the surface of the first support rod is provided with threads, and the adapter block is in threaded connection with the first support rod, so that when the first support rod rotates, the first support rod can drive the adapter block to move linearly and reciprocally along the first support rod.

In one embodiment, the second support rod is fixedly connected with the adapter block, and the clamping block is slidably connected with the second support rod.

In one embodiment, the second support rod is rotatably connected with the adapter block, threads are arranged on the surface of the second support rod, and the clamping block is in threaded connection with the second support rod, so that when the second support rod rotates, the second support rod can drive the adapter block to perform reciprocating linear motion along the second support rod.

In one embodiment, the clamping block includes a first clamping arm and a second clamping arm perpendicular to each other, and the first clamping arm and the second clamping arm are respectively used for clamping and positioning two adjacent sides of the corner of the workpiece to be measured.

In one embodiment, the laser range finder further comprises a visual alignment mechanism, the visual alignment mechanism is arranged on one side, away from the laser range finder, of the mounting plate, and the visual alignment mechanism is used for scanning and marking the workpiece to be measured.

In one embodiment, the apparatus further includes a light supplement component, the light supplement component is fixed to the fixing base and is adjacent to the visual alignment mechanism, and the light supplement component is used for supplementing light for the visual alignment mechanism.

Drawings

FIG. 1 is an isometric view of a laser inspection device in one embodiment;

FIG. 2 is an isometric view of a laser inspection device in one embodiment;

FIG. 3 is an isometric view of the carrier of the laser inspection device of FIG. 2;

fig. 4 is an isometric view of a detection mechanism in the laser detection device of fig. 2.

Reference numerals:

100. a frame; 101. a protective cover; 102. a foot cup; 103. a caster wheel; 200. a material loading mechanism; 210. a fixed seat; 211. a first fixing plate; 212. a second fixing plate; 220. a carrier; 221. a first support bar; 222. a second support bar; 223. a clamping block; 223a, a first clamping arm; 223b and a second clamping arm; 224. a transfer block; 300. a detection mechanism; 301. mounting a plate; 310. a laser range finder; 320. a first mobile platform; 321. a first slider; 322. a first slide rail; 330. a second mobile platform; 331. a second slider; 332. a second slide rail; 340. a support; 400. a vision alignment mechanism; 500. a light supplement component; 510. a connecting plate; 520. a light supplement lamp; 60. a workpiece to be tested; 61. a first surface; 62. a second surface; 700. and a controller.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1, fig. 1 is a schematic diagram illustrating a laser inspection apparatus in an embodiment, which is used for measuring the size of a workpiece 60 to be inspected to determine whether the size of the workpiece 60 to be inspected meets a standard. The workpiece 60 to be measured may be a ceramic housing, a glass sheet, or other sample, and the dimension of the workpiece 60 to be measured may be a length, a width, or a height.

Referring to fig. 1, the laser inspection apparatus includes a frame 100, a loading mechanism 200, and an inspection mechanism 300. The loading mechanism 200 is disposed on the rack 100 and used for loading the workpiece 60 to be detected, and the detection mechanism 300 is disposed on the rack 100 and used for detecting the size of the workpiece 60 to be detected.

Specifically, in an embodiment, the laser detection apparatus further includes a protective cover 101, the protective cover 101 is covered on the rack 100, and the material loading mechanism 200 and the detection mechanism 300 are both located in the protective cover 101, so as to prevent external light from interfering with the detection result, and prevent dust or corrosive liquid from dripping on each mechanism, thereby preventing each mechanism from being damaged due to interference of external factors.

In this embodiment, the protection cover 101 has a two-sided opening structure, so that the workpiece 60 to be measured can be conveniently loaded and unloaded from the opening of the protection cover 101.

In an embodiment, as shown in fig. 1, the laser detection apparatus further includes a cup 102 and a caster 103, the cup 102 is disposed at the bottom of the rack 100 and is used for supporting the rack 100, and the caster 103 is disposed at the bottom of the rack 100.

In this embodiment, the foot cup 102 is foldably connected to the bottom of the rack 100, and when the rack 100 needs to be moved, the foot cup 102 can be folded and separated from the ground, an external force is applied to push the rack 100, and the caster 103 can slide on the ground, so that the rack 100 can be conveniently moved and manpower can be saved.

Referring to fig. 2, the loading mechanism 200 includes a fixing base 210 and a carrier 220, the fixing base 210 is disposed on the rack 100, and the carrier 220 is connected to the fixing base 210 and is used for carrying the workpiece 60 to be tested.

Specifically, the fixing base 210 includes a first fixing plate 211 and a second fixing plate 212, the first fixing plate 211 and the second fixing plate 212 are disposed on the frame 100 at an interval, and the carrier 220 is disposed between the first fixing plate 211 and the second fixing plate 212.

In some embodiments, the first fixing plate 211 and the second fixing plate 212 are fixedly connected to the rack 100. For example, the first fixing plate 211 and the second fixing plate 212 are connected to the rack 100 by screws or rivets.

In other embodiments, the first fixing plate 211 and the second fixing plate 212 may be movably connected to the frame 100, so that the distance between the first fixing plate 211 and the second fixing plate 212 may be adjustable, thereby facilitating to mount carriers 220 with different sizes on the fixing base 210, and expanding the application range of the fixing base 210.

For example, the rack 100 may be provided with a guide rail on which the first fixing plate 211 and the second fixing plate 212 are slidably disposed, and the distance between the first fixing plate 211 and the second fixing plate 212 may be changed by sliding the first fixing plate 211 and/or the second fixing plate 212.

In some embodiments, the first fixing plate 211 and/or the second fixing plate 212 may also be a telescopic structure, so that the height of the first fixing plate 211 and/or the second fixing plate 212 is adjustable, so as to adjust the height of the tool 220 on the fixing base 210, thereby placing the workpiece 60 to be tested, carried by the tool 220, at a suitable height to meet the requirement of the testing mechanism 300 for testing the workpiece 60 to be tested.

Referring to fig. 3, the carrier 220 includes two first supporting rods 221, two second supporting rods 222, a clamping block 223 and a switching block 224, the two first supporting rods 221 are disposed on the fixing base 210 at intervals, the switching block 224 is sleeved on the first supporting rods 221, the second supporting rods 222 are connected with the switching block 224, so that the two second supporting rods 222 cross between the two first supporting rods 221, and the clamping block 223 is sleeved on the second supporting rods 222 and used for clamping and limiting the workpiece 60 to be measured.

Specifically, in an embodiment, two ends of the first supporting rod 221 are respectively connected to the first fixing plate 211 and the second fixing plate 212, two transition blocks 224 are sleeved on the same first supporting rod 221, and two ends of the second supporting rod 222 are respectively connected to the transition blocks 224. The first struts 221 extend in a first direction and the second struts 222 extend in a second direction, the first direction being substantially perpendicular to the second direction.

It can be understood that the number of the adapting blocks 224 and the clamping blocks 223 is four, the four clamping blocks 223 are enclosed to form a placing groove (not shown), the workpiece 60 to be detected is located in the placing groove and is clamped by the clamping blocks 223 in a limiting manner, and the workpiece 60 to be detected is prevented from being moved randomly in the detection process.

In some embodiments, the first leg 221 and the second leg 222 are both linear.

Further, the position of the adapter block 224 on the first support rod 221 is adjustable, and/or the position of the clamp block 223 on the second support rod 222 is adjustable, so that the size of the placement slot is changed in the first direction and/or the second direction, thereby accommodating a plurality of workpieces with different sizes and improving the application range of the carrier 220.

Specifically, in some embodiments, the position of the transfer block 224 on the first leg 221 is adjustable.

For example, in an embodiment shown in fig. 3, the first supporting rod 221 is a sliding rod, the adapting block 224 is a sliding block, the adapting block 224 is slidably connected to the first supporting rod 221, and the adapting block 224 can be driven to slide along the first supporting rod 221 by an air cylinder or a motor.

Alternatively, in another embodiment, the first supporting rod 221 is a screw rod and has a surface provided with threads, the adapting block 224 is a nut, the adapting block 224 is screwed with the first supporting rod 221, the first supporting rod 221 can be driven to rotate by an air cylinder or a motor, the first supporting rod 221 rotates, and the adapting block 224 is driven to reciprocate along the first supporting rod 221.

It is noted that either of the two transfer blocks 224 on the same first leg 221 is position adjustable to allow the standing groove to change in size in the first direction. Alternatively, both the positions of the two transfer blocks 224 on the same first support rod 221 are adjustable, so that the size adjustment of the placement groove in the first direction is more flexible.

In other embodiments, the position of the clamp block 223 on the second strut 222 is adjustable.

For example, in an embodiment shown in fig. 3, the second support rod 222 is fixedly connected to the adapter block 224, the second support rod 222 is a sliding rod, the clamp block 223 is a sliding block, the clamp block 223 is slidably connected to the second support rod 222, and the clamp block 223 can be driven to slide along the second support rod 222 by an air cylinder or a motor.

Or, in another embodiment, the second rod 222 is rotatably connected to the adapter 224, the second rod 222 is a screw, the clamping block 223 is a nut, the clamping block 223 is screwed to the second rod 222, the second rod 222 can be driven to rotate by an air cylinder or a motor, and the second rod 222 rotates and drives the adapter 224 to move linearly along the second rod 222 in a reciprocating manner.

It is noted that either one 223 of the two blocks 223 on the same second strut 222 is adjustable in position to allow the standing groove to change in size in the second direction. Alternatively, the positions of the two clamping blocks 223 on the same second support rod 222 can be adjusted, so that the size of the placement groove in the second direction can be adjusted more flexibly.

In other embodiments, the position of the adapter block 224 on the first support rod 221 is adjustable, and the position of the clamp block 223 on the second support rod 222 is adjustable, so that the size of the placement slot in the first direction and the second direction can be changed, and the adjustment by the user is facilitated.

Referring to fig. 3, in some embodiments, the workpiece 60 is rectangular, and the clamping block 223 is L-shaped to fit the workpiece 60. For example, the clamping block 223 includes a first clamping arm 223a and a second clamping arm 223b perpendicular to each other, and the first clamping arm and the second clamping arm respectively clamp and position two adjacent sides of the corner of the workpiece to be measured.

In other embodiments, the workpiece 60 to be measured may also be circular, and the clamp blocks 223 may also be arc-shaped. Here, the shape of the clamp block 223 is not limited as long as the clamp block 223 can hold and limit the workpiece 60 to be measured.

Referring to fig. 4 and fig. 1, the detecting mechanism 300 includes a mounting plate 301 and at least two laser range finders 310, the mounting plate 301 is movably connected to the rack 100, and the at least two laser range finders 310 are disposed on the mounting plate 301 at intervals along a vertical direction and are used for measuring laser ranges of two surfaces of the workpiece 60 to be measured, which are opposite to each other.

For convenience of description, the thickness measurement of the workpiece 60 to be measured will be described below by taking only the first surface 61 and the second surface 62 of the laser range finder 310 facing the thickness direction of the workpiece 60 to be measured as an example, and the number of the laser range finders 310 is two.

In an embodiment, referring to fig. 3, two laser range finders 310 are arranged on the mounting board 301 at intervals along the vertical direction, one laser range finder 310 located above the first surface 61 can measure a distance X1 from the laser range finder 310 to the first surface 61, another laser range finder 310 located below the second surface 62 can measure a distance X2 from the laser range finder 310 to the second surface 62, a distance between the two laser range finders 310 in the vertical direction is X, and a thickness of the workpiece 60 to be measured is X-X1-X2.

When the number of the laser range finders 310 is greater than two, a plurality of the laser range finders 310 may be disposed above the first surface 61 at intervals side by side, and a plurality of the laser range finders 310 may be disposed below the second surface 62 at intervals side by side. By comparing the measurement results of the plurality of laser range finders 310 located on the same side, the accuracy of the measurement data can be improved.

In particular embodiments, each laser rangefinder 310 is movable in a vertical direction to facilitate inspection of the workpiece 60 to be inspected. Since the controller 700 can acquire the preset pitch in the vertical direction and the displacement in the vertical direction of each laser range finder 310, the pitch X between each laser range finder 310 can also be known. The laser range finders 310 respectively emit laser to measure the distance between the first surface 61 and the second surface 62, and then the thickness of the workpiece 60 to be measured is calculated, so that the workpiece 60 to be measured is automatically measured, and the measurement result is accurate and reliable.

In some embodiments, by fixing the workpiece 60 to be measured on the carrier 220 and moving the laser range finder 310, the actual length, width and height of the workpiece 60 to be measured can be obtained. In other embodiments, the carrier 220 can rotate to rotate the workpiece 60, so as to adjust the detection angle of the workpiece 60 more flexibly.

Referring to fig. 4, in an embodiment, the detecting mechanism 300 further includes a first moving platform 320 and a second moving platform 330, the mounting plate 301 is connected to the first moving platform 320, the first moving platform 320 is connected to the second moving platform 330, and the first moving platform 320 and the second moving platform 330 are respectively used for driving the mounting plate 301 to move along two different directions, so that the laser range finder 310 on the mounting plate can move to a preset measuring position to perform laser range finding on the workpiece 60 to be measured.

In this embodiment, the detecting mechanism 300 further includes a bracket 340, the bracket 340 is fixed on the rack 100, and the second moving platform 330 is installed on the bracket 340, so that the first moving platform 320 and the rack 100 are disposed at an interval, and the laser range finder 310 can detect the workpiece 60 to be detected on the carrier 220.

In some embodiments, the first moving platform 320 includes a first driving element (not shown), a first sliding block 321 and a first sliding rail 322, the first sliding block 321 is slidably disposed on the first sliding rail 322, and the first driving element is configured to drive the first sliding block 321 to slide along the first sliding rail 322. In this embodiment, the mounting plate 301 is connected to the first sliding block 321, the first sliding block 321 slides along the first sliding rail 322, and the first sliding block 321 drives the mounting plate 301 to move in a first direction in a translation manner.

In some embodiments, the second moving platform 330 includes a second driving element (not shown), a second sliding block 331 and a second sliding rail 332, the second sliding block 331 is slidably disposed on the second sliding rail 332, and the second driving element is configured to drive the second sliding block 331 to slide along the second sliding rail 332. In this embodiment, since the first slide rail 322 is connected to the second slide block 331 and the mounting plate 301 is connected to the first slide block 321, the mounting plate 301 can move in a translational manner along a first direction and a second direction perpendicular to the first direction.

Referring to fig. 4 and fig. 1, the laser inspection apparatus further includes a vision alignment mechanism 400 and a controller 700, wherein the vision alignment mechanism 400 is disposed on the first moving platform 320 and is used for scanning and marking the workpiece 60 to be inspected.

In a specific embodiment, when the laser range finder 310 detects that the size of the workpiece 60 to be measured does not meet the design requirement, the controller 700 can control the vision alignment mechanism 400 to scan and mark the workpiece 60 to be measured so as to distinguish the workpiece from other qualified workpieces, and convey the unqualified workpiece 60 to the area to be processed.

Referring to fig. 3, the laser detection apparatus further includes a light supplement assembly 500, the light supplement assembly 500 is fixed on the fixing base 210 and is adjacent to the vision alignment mechanism 400, and the light supplement assembly 500 is used for providing supplement light for the vision alignment mechanism 400.

Specifically, in an embodiment, the light supplement assembly 500 includes a connection plate 510 and a light supplement lamp 520, the connection plate 510 is connected between the first fixing plate 211 and the second fixing plate 212, and the light supplement lamp 520 is disposed on the connection plate 510 and located below the workpiece 60 to be measured. When the vision alignment mechanism 400 scans, a light source can be provided to prevent the light from being too dark to scan clearly.

In a specific embodiment, the fill light 520 is an LED light.

In some embodiments, the connection plate 510 is fixedly connected to both the first fixing plate 211 and the second fixing plate 212. In other embodiments, the connecting plate 510 is slidably connected to the first fixing plate 211 and the second fixing plate 212, so that the height of the connecting plate 510 is adjustable, and thus the height of the light supplement lamp 520 is adjusted, and the light is better supplemented to the visual alignment mechanism 400.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A laser inspection device, comprising:

a frame;

2. The laser detection device according to claim 1, wherein the detection mechanism further includes a first moving platform and a second moving platform, the mounting plate is connected to the first moving platform, the second moving platform is connected to the frame, and the first moving platform and the second moving platform are connected and respectively configured to drive the mounting plate to move in two different directions.

3. The laser inspection apparatus according to claim 1, wherein the loading mechanism includes a fixing base and a carrier, the fixing base is disposed on the frame, and the carrier is connected to the fixing base and is used for carrying a workpiece to be inspected.

4. The laser detection device according to claim 3, wherein the carrier includes two first support rods, two second support rods, a clamping block and a switching block, the two first support rods are disposed at the fixing base at intervals, the two second support rods span between the two first support rods, the switching block is sleeved on the first support rods, the second support rods are connected with the switching block, the clamping block is sleeved on the second support rods, and/or the position of the switching block on the first support rods is adjustable.

5. The laser detecting device according to claim 4, wherein the transfer block is slidably connected to the first supporting rod.

6. The laser detection device according to claim 4, wherein the first support rod is provided with a thread on a surface thereof, and the adapter block is in threaded connection with the first support rod, so that when the first support rod rotates, the first support rod can drive the adapter block to move linearly along the first support rod.

7. The laser detection device as claimed in claim 4, wherein the second support rod is fixedly connected to the adapter block, and the clamping block is slidably connected to the second support rod.

8. The laser detection device according to claim 4, wherein the second support rod is rotatably connected to the adapter block, a thread is provided on a surface of the second support rod, and the clamping block is screwed to the second support rod, so that when the second support rod rotates, the second support rod can drive the adapter block to move linearly along the second support rod.

9. The laser detection device according to claim 4, wherein the clamping block includes a first clamping arm and a second clamping arm perpendicular to each other, and the first clamping arm and the second clamping arm are respectively used for clamping and positioning two adjacent edges of the corner portion of the workpiece to be detected.

10. The laser detection device according to claim 4, further comprising a visual alignment mechanism, wherein the visual alignment mechanism is disposed on a side of the mounting plate facing away from the laser range finder, and the visual alignment mechanism is configured to scan and mark the workpiece to be detected.

11. The laser detection device according to claim 10, further comprising a light supplement component, wherein the light supplement component is fixed to the fixing base and is adjacent to the visual alignment mechanism, and the light supplement component is configured to supplement light for the visual alignment mechanism.