CN214537852U

CN214537852U - Height measuring equipment

Info

Publication number: CN214537852U
Application number: CN202120648168.9U
Authority: CN
Inventors: 谢卫锋; 江帆; 梁国辉; 曹小建; 孙杰; 尹建刚; 李燕选; 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: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-10-29
Anticipated expiration: 2031-03-30

Abstract

The utility model discloses a height measuring equipment, including the frame with tool, push down subassembly, conveying component, range sensor and the detection drive assembly that sets up in the frame. The height measuring equipment can fix a product to be measured on the jig, then conveys the jig and the product to be measured to the lower part of the pressing component through the conveying component, the pressing component compresses the product to be measured, then the detection driving component drives the distance measuring sensor to measure the height of each detection point of the product to be measured, and then whether the height of each detection point on the product to be measured is qualified is judged, so that the detection efficiency is effectively improved on the premise of ensuring the detection precision of the product to be measured.

Description

Height measuring equipment

Technical Field

The utility model relates to an electronic product measures technical field, in particular to height measurement equipment.

Background

With the rapid development of science and technology and economy, electronic products such as smart phones and tablet computers are increasingly popularized. In order to meet the demands of customers, besides the functions of such electronic products are becoming more powerful, the appearances of such electronic products are also becoming more beautiful. In order to ensure that the appearance size of the electronic product is correct, the height size of each detection point of the product needs to be measured before the product is delivered out of a factory. However, in the prior art, the height dimension of the product detection point is usually detected by a manual measurement method, but the detection is performed manually, which has the disadvantages of long consumed time, low working efficiency, unstable detection quality and the like.

Thus, the prior art has yet to be improved and enhanced.

SUMMERY OF THE UTILITY MODEL

In view of the deficiencies of the prior art, the utility model provides a height measuring equipment when detecting the height of electronic product, can improve detection efficiency effectively under the prerequisite of precision is detected in the assurance.

The embodiment adopts the following technical scheme:

a height measuring apparatus comprising a frame and, disposed on the frame:

the jig is used for fixing a product to be detected;

the pressing component is used for pressing a product to be detected;

the conveying assembly is used for conveying the jig and the product to be detected to the pressing assembly;

the distance measuring sensor is used for detecting the height of the compressed product to be detected; and

and the detection driving assembly is used for driving the distance measuring sensor to move and align the compressed product to be detected.

Further, in the height measuring apparatus, the pressing assembly includes:

the pressing driving element is arranged on the rack; and

and the pressing block is arranged at the driving end of the downward pressing driving element and is used for pressing the product to be detected downwards under the driving of the downward pressing driving element and exposing the part of the product to be detected, which needs to be detected.

Furthermore, in the height measuring device, the pressing block is provided with a plurality of strip-shaped avoiding holes.

Further, in the height measuring apparatus, the pressing block is an elastic pressing block.

Further, in the height measuring apparatus, the jig includes:

the jig comprises a jig body, wherein the jig body is provided with a mounting groove for placing a product to be tested; and

and the fixing component is arranged on the jig body and used for applying pressure to the product to be tested from the side surface to fix the product to be tested in the mounting groove.

Furthermore, in the height measuring device, the fixing assembly comprises a positioning column and a positioning driving element, the positioning driving element is arranged in the jig body, a sliding groove is formed in the jig body and communicated with the mounting groove, the positioning column is arranged in the sliding groove, and the positioning driving element is used for driving the positioning column to move in the sliding groove, so that the positioning column compresses a product to be measured from the side surface.

Further, in the height measuring device, a height calibration block is arranged on the jig body.

Further, in the height measuring apparatus, the distance measuring sensor includes a probe, and the distance measuring sensor is configured to measure the height of the product to be measured by contacting the probe with the surface of the product to be measured.

Further, in the height measuring apparatus, an end surface of the probe is provided as a spherical surface.

Further, in the height measuring device, a visual detection camera is further included, and the visual detection camera is arranged at the driving end of the detection driving component.

Compared with the prior art, the utility model provides a pair of height measurement equipment, including the frame with tool, push down subassembly, conveying component, range sensor and the detection drive assembly that sets up in the frame. The height measuring equipment can fix a product to be measured on the jig, then conveys the jig and the product to be measured to the lower part of the pressing component through the conveying component, the pressing component compresses the product to be measured, then the detection driving component drives the distance measuring sensor to measure the height of each detection point of the product to be measured, and then whether the height of each detection point on the product to be measured is qualified is judged, and the detection precision and the detection efficiency of the product to be measured are effectively improved.

Drawings

Fig. 1 is a schematic view of the overall structure of a specific embodiment of the height measuring apparatus provided by the present invention.

Fig. 2 is a schematic view of the internal structure of the height measuring apparatus shown in fig. 1.

Fig. 3 is a schematic structural view of a jig, a conveying assembly and a pressing assembly in the height measuring apparatus shown in fig. 2.

Fig. 4 is a schematic structural diagram of a distance measuring sensor and a detection driving assembly in the height measuring apparatus shown in fig. 2.

Wherein, X1, the product to be tested; 10. a jig; 11. a jig body; 12. a fixing assembly; 13. a height calibration block; 20. pressing the assembly; 21. pressing down the driving element; 22. a compression block; 221. avoiding holes; 30. a delivery assembly; 40. a ranging sensor; 41. a probe; 50. detecting a driving component; 100. a frame; 200. a hood; 300. and (5) controlling the system.

Detailed Description

In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the following description of the present invention will refer to the accompanying drawings and illustrate embodiments. It is to be understood that the specific examples described herein are for purposes of illustration only and are not intended to limit the invention, which in the context of further discussion, elements, structures and features of one embodiment may be beneficially incorporated in other embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "bottom", "inner", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the height measuring apparatus includes a frame 100, and a jig 10, a pressing assembly 20, a conveying assembly 30, a distance measuring sensor 40, and a detection driving assembly 50 disposed on the frame 100. The jig 10 is used for fixing a product X1 to be tested; the pressing assembly 20 is used for pressing a product X1 to be detected; the conveying assembly 30 is used for conveying the jig 10 and the product X1 to be tested to the pressing assembly 20; the distance measuring sensor 40 is used for detecting the height of the compressed product X1 to be measured; and the detection driving assembly 50 is used for driving the distance measuring sensor 40 to move and align the compacted product X1 to be measured.

The product X1 to be measured aimed at by the height measuring equipment is mainly an electronic product such as a smart phone, a tablet personal computer and a portable game machine. When detecting, the detected object is the height of the specified detection point on the electronic product. After the height data of each detection point location is obtained, the height data of each detection point location is compared with the standard height data one by one, and therefore whether the detected product is qualified or not is judged.

During detection of the tool, firstly, the to-be-detected product X1 needs to be manually fixed on the tool 10, then the tool 10 and the to-be-detected product X1 are conveyed to the lower part of the pressing component 20 through the conveying component 30, the to-be-detected product X1 is pressed by the pressing component 20, then the detection driving component 50 drives the distance measuring sensor 40 to measure the height of each detection point of the to-be-detected product X1, and then whether the height of each detection point of the to-be-detected product X1 is qualified is judged.

The pressing component 20 is used for pressing the product X1 to be detected, so that the product X1 to be detected is attached to the bottom surface of the jig 10, and the detection precision is guaranteed. Referring to fig. 2 and fig. 3, in a specific embodiment, the pressing assembly 20 includes a pressing driving element 21 and a pressing block 22, the pressing driving element 21 is disposed on the frame 100, the pressing block 22 is disposed at a driving end of the pressing driving element 21, and the pressing block 22 is used for being driven by the pressing driving element 21 to press the product X1 to be detected downward and expose a portion of the product X1 to be detected.

The pressing driving elements 21 may be selected as air cylinders, and the number of the pressing driving elements may be a pair, and the pressing blocks 22 are driven to be pressed down from the left and right sides of the pressing blocks 22 through the extension and contraction of the piston rods. Moreover, the pressing process of the pressing block 22 can be more stable by exerting force on two sides, so that the stress of the product X1 to be detected is more uniform, and the detection precision is improved. Of course, the pressing driving element 21 may also adopt other driving methods, which is not limited by the present invention.

The pressing block 22 may include a middle pressing portion and two side connecting portions, the connecting portions are connected to the cylinder piston rod, and the pressing portion is used for contacting the product X1 to be tested. And, can make the thickness that compresses tightly the portion bottom be greater than connecting portion, perhaps make connecting portion slope set up to compress tightly the in-process that the portion compressed tightly product X1 that awaits measuring, connecting portion can not touch tool 10 or the product X1 that awaits measuring, thereby avoid causing the interference to pushing down the process.

The shape of the pressing part can be correspondingly designed according to the position distribution of points to be detected on the product X1 to be detected. So that it does not interfere with the detection of the distance measuring sensor 40 while pressing the product X1 to be measured. In this embodiment, the detection points on the product X1 to be detected are distributed on the surface of the outer shell of the product X1 to be detected in a matrix manner. Therefore, the size and shape of the pressing block 22 can be approximately equal to that of the product X1 to be detected, and a plurality of strip-shaped avoiding holes 221 are formed in the pressing block 22, and each detection point is located in the avoiding hole 221. At this moment, the compressing block 22 can contact the product X1 to be detected to the greatest extent, and the distance measuring sensor 40 can detect in each avoiding hole 221 according to the straight line direction during detection, so that the detection efficiency is improved.

In addition, the entire pressing block 22 may be made of an elastic material, so that it has a certain elasticity. In the pressing process, the elastic pressing block 22 can be more attached to the surface of the product X1 to be detected, and the product X1 to be detected is not easily damaged. More specifically, the compact 22 may be made of polyurethane, which has good stability, chemical resistance, resilience, and mechanical properties, and can be well adapted to the requirements of the compact 22.

Further, the jig 10 may be provided in a plurality of numbers, for example, the number of the jigs 10 on the conveying assembly 30 is two in this embodiment, so that the detection driving assembly 50 may drive the distance measuring sensor 40 to continuously detect the products to be detected on the two jigs 10. The jig 10 includes a jig body 11 and a fixing component 12, wherein an installation groove for placing the product X1 to be tested is formed on the jig body 11, and the installation groove is surrounded by a plurality of fixing columns in this embodiment; the fixing component 12 is arranged on the jig body 11 and used for applying pressure to the product to be tested X1 from the side surface, so that the product to be tested X1 is fixed in the mounting groove.

Wherein, tool body 11 can adopt the bakelite to make, and it has higher mechanical strength, good insulating nature, can play the fixed action well, and avoids causing error and interference to the testing process. The size of mounting groove and the size adaptation of the product X1 that awaits measuring make the product X1 that awaits measuring can directly put into the mounting groove and carry out preliminary fixed. The fixing component 12 can apply lateral pressure to the product X1 to be detected, so that the product X1 to be detected is fixed in the mounting groove, and the phenomenon that the product X1 to be detected shakes in the detection process is avoided, and the detection precision is influenced.

Specifically, fixed subassembly 12 can include reference column and location drive element, location drive element sets up in the tool body 11, the spout has been seted up on the tool body 11, just the spout intercommunication the mounting groove, the reference column sets up in the spout, location drive element is used for driving the reference column removes in the spout, makes the reference column compresses tightly the product X1 that awaits measuring from the side.

The positioning columns and the positioning driving elements can be arranged in a plurality of numbers, and press the product to be tested X1 from different directions, such as the X-axis direction and the Y-axis direction. After the pressing block 22 is combined, the product X1 to be tested can be fixed in three directions of XYZ. Moreover, the positioning column can be made of POM (polyoxymethylene) plastic, has the characteristics of high hardness and high wear resistance, and can ensure that the positioning column is not easy to deform and wear.

The positioning driving element can be selected as an air cylinder, the jig body 11 can adopt a hollow structure, the air cylinder is arranged in the jig body 11, the positioning column is driven to move along the sliding groove through the telescopic motion of a piston of the air cylinder, so that a product X1 to be detected is pressed from the side direction,

in addition, the jig body 11 is further provided with a height calibration block 13. Before or after the product X1 to be detected is detected, the distance measuring sensor 40 may be driven by the detection driving assembly 50 to move to the height calibration block 13 for position calibration of the distance measuring sensor 40.

The conveying assembly 30 is used for conveying the loaded jig 10 to the pressing assembly 20. In this embodiment, the conveying assembly 30 can be configured by using a linear motor or a linear module, and is combined with a drag chain to protect the cable. Alternatively, the conveying assembly 30 may be set to rotate for feeding, which is not limited by the present invention.

Further, referring to fig. 4, the detection driving assembly 50 may adopt a three-axis motion platform, which is composed of linear motors or linear modules in three directions of the X axis, the Y axis and the Z axis, so as to drive the distance measuring sensor 40 to align with the product X1 to be detected in the avoiding hole 221, and detect the detection point position of the product X1 to be detected. Alternatively, the detection driving assembly 50 may also adopt a manipulator to drive the distance measuring sensor 40 to move, and the present invention is not limited thereto. Of course, a visual detection camera may be disposed at the driving end of the detection driving assembly 50, so as to assist the ranging sensor 40 in positioning, and ensure that the ranging sensor 40 moves accurately.

And, visual detection camera can select to be CCD camera, and it has small, receives advantages such as external disturbance are little, perhaps also can replace for other types of camera, like CMOS camera, the utility model discloses do not limit to this.

The distance measuring sensor 40 can be selected as a contact type displacement sensor, the end part of the distance measuring sensor is provided with a probe 41, and the height of the product X1 to be measured can be measured by the probe 41 contacting the surface of the product X1 to be measured. The contact type displacement sensor has the advantage of high detection precision and is suitable for shells of electronic products such as flat plates, mobile phones and the like. The probe 41 can be made of high-strength engineering plastics, so that the bending of the probe is prevented from influencing the detection precision. And the end face of the probe 41 can be set to be a spherical surface, so that the surface of the workpiece to be detected is prevented from being scratched in the detection process. In the detection process, the probe 41 measures different measurement points, at the moment, the internal signal of the distance measuring sensor 40 changes, and the required height difference between the points can be calculated by combining the signal change data through software.

In order to improve the detection efficiency, the distance measuring sensors 40, the detection driving assembly 50, and the like may be provided in two corresponding sets, and respectively located at the left and right sides of the push-down assembly 20. Therefore, the two groups of detection driving components 50 can respectively drive the distance measuring sensors 40 thereof to simultaneously detect the product X1 to be detected, the detection speed is effectively increased, and the detection time is shortened.

In addition, with continued reference to FIG. 1, the height measuring apparatus further includes a hood 200 disposed on the housing 100. The rack 100 plays a role in integral support, the hood 200 plays a role in protection and covers the rack 100, and an opening facilitating loading of an operator is formed in the hood 200.

And, the height measuring device still includes control system 300, control system 300 includes industrial computer, motion control card, IO card, power supply box, display, keyboard mouse etc. has carried corresponding control software in the industrial computer to carry out communication connection through motion control card, IO card and communication cable and transport assembly 30, detection drive assembly 50 and range finding sensor 40. The operator can also set and adjust the control parameters through the keyboard, the mouse and the display so as to adapt to the actual detection requirement of the height measuring equipment.

It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such alterations and modifications should fall within the scope of the appended claims.

Claims

1. A height measuring device, comprising a frame and, provided on the frame:

the jig is used for fixing a product to be detected;

the pressing component is used for pressing a product to be detected;

2. The height measuring apparatus of claim 1, wherein the hold-down assembly comprises:

the pressing driving element is arranged on the rack; and

3. The height measuring apparatus of claim 2, wherein the hold down block has a plurality of elongated relief holes formed therein.

4. Height measuring device according to claim 2, characterized in that the pressing block is an elastic pressing block.

5. The height measuring apparatus according to claim 1, wherein the jig comprises:

6. The height measuring apparatus according to claim 5, wherein the fixing assembly includes a positioning post and a positioning driving element, the positioning driving element is disposed in the fixture body, the fixture body has a sliding slot, the sliding slot is communicated with the mounting groove, the positioning post is disposed in the sliding slot, and the positioning driving element is configured to drive the positioning post to move in the sliding slot, so that the positioning post presses the product to be measured from the side.

7. The height measuring apparatus according to claim 5, wherein a height calibration block is provided on the jig body.

8. The height measuring apparatus according to claim 1, wherein the distance measuring sensor includes a probe for measuring the height of the product to be measured by the probe contacting the surface of the product to be measured.

9. A height measuring apparatus according to claim 8, wherein the end face of the probe is provided as a spherical surface.

10. The height measuring apparatus of any one of claims 1-9, further comprising a visual inspection camera disposed at a drive end of the inspection drive assembly.