CN218629465U

CN218629465U - Scratch detection device

Info

Publication number: CN218629465U
Application number: CN202222498201.1U
Authority: CN
Inventors: 刘大鹏
Original assignee: Goertek Techology Co Ltd
Current assignee: Goertek Techology Co Ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2023-03-14
Anticipated expiration: 2032-09-21

Abstract

The utility model discloses a mar detection device, include: a base; the rotary table is arranged on the base and is rotationally connected with the base; the lower end of the lamp holder is connected with the base; the lamp holder is fixed at the top end of the lamp holder; and the distance reference ruler is connected with the base, and a distance calibration part is arranged in the length direction of the distance reference ruler and is used for calibrating the reference distance between the distance reference ruler and the turntable. The utility model discloses a mar detection device, through setting up the revolving stage, wait to examine the product and place on the revolving stage, the inspector accessible rotates the revolving stage and realizes the regulation to the product angle of looking over, need not artifical handheld product, can avoid causing the problem of secondary harm to the product. Through setting up the reference ruler of distance, be used for on it to mark and the revolving stage between different reference distance, help the measurement personnel to hold the inspection stadia, improve the precision that detects product outward appearance under different stadia.

Description

Scratch detection device

Technical Field

The utility model relates to a detect the frock, specifically speaking relates to a mar detection device.

Background

Plastic is often used for the construction and appearance of consumer electronics products due to its light weight, long life, and low cost characteristics. As a plastic exterior part, there is a possibility that scratches may occur in appearance due to improper protection of a jig or an operation error in a production line assembly stage.

Electronic products currently have large areas of plastic parts exposed, and therefore the integrity of the appearance of these exposed plastic parts is very important to the aesthetics and value of the product. The production line is generally furnished with the product that there is the mar in outward appearance detection worker station to the outward appearance at present and picks out and eliminates, need the manual work respectively in the outward appearance of looking over the product at the multi-angle under the stadia of difference when checking the product, has to look over the distance and hold not well to reach the manual work and hold the product and look over the problem that causes secondary damage easily to the product.

The product appearance inspector who produces the line needs to inspect the product appearance with the naked eye under light and looks for product appearance mar etc. bad, but because produce line light condition more single and fluorescent tube shine the angle nonadjustable, need inspector to rotate the product by hand under light and inspect when inspection product, this kind of inspection mode probably causes the secondary fish tail to the product, has the technical problem of looking for inefficiency, influence production line output moreover. In addition, insufficient illumination may also affect the vision of the inspector.

Disclosure of Invention

The utility model discloses look over the distance and hold well when carrying out the mar detection to product appearance among the prior art to and artifical handheld product looks over and causes the problem of secondary injury easily to the product, has provided a mar detection device, can solve above-mentioned problem.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:

a scratch detection apparatus comprising:

a base;

the rotary table is arranged on the base and is rotationally connected with the base;

the lower end of the lamp holder is connected with the base;

the lamp holder is fixed at the top end of the lamp holder;

and the distance reference ruler is connected with the base, and a distance calibration part is arranged in the length direction of the distance reference ruler and is used for calibrating the reference distance between the distance reference ruler and the rotary table.

In some embodiments, the distance reference scale comprises:

the lower end of the connecting arm is connected with the base, and a first guide part is arranged on the connecting arm along the length direction of the connecting arm;

one end of the reference arm is connected with the connecting arm through a second guide part, and the first guide part is in sliding guide fit with the second guide part;

the distance calibration part is arranged along at least one side of the first guide part, and the second guide part can slide to a position of a target reference distance along the first guide part.

In some embodiments, the lower end of the connecting arm is provided with an axle hole, and the side wall of the base is provided with a first connecting axle which passes through the axle hole and is connected with the connecting arm.

In some embodiments, the first guide portion is a guide groove opened along a length direction of the reference arm, and the second guide portion includes:

a limiting part;

and one end of the guide rod is connected with the reference arm, and the other end of the guide rod penetrates through the guide groove to be connected with the limiting part.

In some embodiments, the distance calibration portion includes a plurality of protruding portions, the protruding portions are formed on a side surface of the connecting arm facing away from the reference arm, the protruding portions are symmetrically arranged on two sides of the guide groove, the protruding portions located on the same side are arranged along the length direction of the guide groove, and when the limiting portion slides to the position of the target reference distance, the inner side surface of the limiting portion is attached to the protruding portions at the position.

In some embodiments, the boss is a flat boss structure.

In some embodiments, the lamp holder is rotatably coupled to the base.

In some embodiments, the distance reference ruler and the lamp holder are respectively arranged on two opposite sides of the base.

In some embodiments, the scratch detection device further comprises an adjusting switch connected to the lamp through an adjusting circuit for adjusting the brightness of the lamp.

In some embodiments, the upper surface of the turntable is formed with an assembly groove for placing a product to be inspected.

Compared with the prior art, the utility model discloses an advantage is with positive effect:

the utility model discloses a mar detection device, through setting up the revolving stage, wait to examine the product and place on the revolving stage, the measurement personnel accessible rotates the revolving stage and realizes the regulation of looking over the angle to the product, need not artifical handheld product, can avoid causing the problem of secondary harm to the product. Through setting up the reference ruler of distance, be used for on it to mark and the revolving stage between different reference distance, help the measurement personnel to hold the inspection stadia, improve the precision that detects product outward appearance under different stadia.

Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of a scratch detection apparatus provided in the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a partial schematic view of the distance reference ruler of FIG. 1;

FIG. 4 is an exploded view of FIG. 3;

FIG. 5 is a cross-sectional view of the distance reference ruler of FIG. 1;

fig. 6 is an enlarged view of a portion a of fig. 5.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example one

This embodiment has proposed a scratch detection device, as shown in fig. 1, fig. 2, including base 11, revolving stage 12, lamp holder 13, lighting fixture 14 and apart from reference ruler 15, revolving stage 12 is used for supporting the product of examining, and revolving stage 12 sets up on base 11, and rotates with base 11 and be connected, can drive the product rotation of examining. The lower extreme and the base 11 of lighting fixture 14 are connected, and lamp holder 13 is fixed on the top of lighting fixture 14 for provide illumination for detecting product appearance.

The distance reference ruler 15 is connected with the base 11, and a distance calibration part is arranged on the distance reference ruler 15 in the length direction and used for calibrating the reference distance between the distance reference ruler and the rotary table. The distance calibration part is positioned on a vertical plane and extends upwards from the rotary table 12, so that the visual angle habit of checking the product to be checked by a detector from the upper side is met. It can be understood that the reference distance calibrated by the bottom-up distance calibration part is changed from small to large.

The criteria for observing the scratch of the product at equal distances such as 15cm, 30cm, 50cm are specified. Because the product is supported on the rotary table 12, the distance calibrated by the distance calibration part reflects the visual distance of the product supported on the rotary table 12, when the product is checked at different visual distances, only the calibration position corresponding to the visual distance to be checked is needed to be found from the distance calibration part, so that the eyes are consistent with the calibration position, and the product can be checked at the required visual distance.

The rotary table 12 can be connected with the base 11 through a rotating shaft, and the rotary table is manually rotated when rotation is needed. Also can be that the revolving stage 12 is connected with the pivot of motor, and the motor setting is on base 11, drives revolving stage 12 automatic rotation by the motor, and the rotation mode of whatever form all belongs to the protection scope of this patent.

The mar detection device of this embodiment, through setting up revolving stage 12, wait to examine the product and place on revolving stage 12, the adjustment of angle is looked over to the product to the revolving stage 12 realization of testing personnel accessible rotation, need not artifical handheld product adjustment inspection angle, can avoid causing the problem of secondary harm to the product. Through setting up the reference ruler 15 of distance, be used for on it demarcating with the revolving stage 12 between different reference distances, help the measurement personnel to hold the inspection stadia, improve the precision that detects product outward appearance under different stadia.

In order to further facilitate the detection personnel to grasp the viewing distance, in some embodiments, as shown in fig. 3 and 4, the distance reference ruler 15 includes a connecting arm 151 and a reference arm 152, a lower end of the connecting arm 151 is connected to the base 11, and a first guide portion 153 is disposed on the connecting arm 151 along a length direction thereof.

One end of the reference arm 152 is connected with the connecting arm 151 through the second guide part 154, the reference arm 152 is perpendicular to the connecting arm 151, and by arranging the reference arm 152, the detection person only needs to approach the reference arm 152 to enable the eyes of the detection person to be close to the reference arm 152 in parallel, so that the detection person can be helped to align the eyes with the reference distance pointed by the reference arm 152 quickly, and the use is convenient.

In order to meet the requirement of the inspection personnel to view the product at different visual distances and to facilitate the adjustment of the position of the reference arm 152, the first guide part 153 is in sliding guide fit with the second guide part 154, the second guide part 154 can slide along the direction guided by the first guide part 153, and can be held at the target position when the second guide part 154 reaches the target position.

The distance calibration part is provided along at least one side of the first guide part 153, and the second guide part 154 is slidable along the first guide part 153 to a position at a reference distance from a target calibrated by the calibration part. The target reference distance is also the sight distance which is required to be detected by the detector at present.

For the product to be examined placed on the revolving stage 12, the revolving stage 12 only can rotate around a vertical axis with the rotation thereof, and the requirement of viewing angle for checking the top and the side of the product to be examined is different, therefore, as shown in fig. 2 and 3, in order to calibrate the reference distance for different viewing angles, in some embodiments, the lower end of the connecting arm 151 is provided with a shaft hole 1511, the side wall of the base 11 is provided with a first connecting shaft 16, and the first connecting shaft 16 passes through the shaft hole 1511 to be connected with the connecting arm 151. Therefore, the connecting arm 151 can rotate around the first connecting shaft 16, and a reference distance can be provided for assistance when a detector looks at a product within a visual angle range of 0-90 degrees, wherein the visual angle range is an included angle between a sight line and a horizontal plane.

In some embodiments, as shown in fig. 4, the first guide part 153 is a guide groove opened along a length direction of the reference arm 152, the second guide part 154 includes a position-limiting part 1541 and a guide bar 1542, one end of the guide bar 1542 is connected to the reference arm 152, and the other end passes through the guide groove and is connected to the position-limiting part 1541. The stopper 1541 has a width larger than that of the guide groove for preventing the guide bar 1542 from being disengaged from the guide groove, and the connecting arm 151 is sandwiched between the stopper 1541 and the reference arm 152, so that the reference arm 152 can be held at the target position by friction without falling.

In some embodiments, the distance calibration portion may be a scaled planar layer disposed on the surface of the connecting arm 151.

In order to increase the friction between the position-limiting portion 1541 and the connecting arm 151, in some embodiments, as shown in fig. 3-5, the distance calibration portion includes a plurality of protruding portions 155, the protruding portions 155 are formed on a side of the connecting arm 151 facing away from the reference arm 152, the protruding portions 155 are symmetrically disposed on two sides of the guide slot, the protruding portions 155 located on the same side are disposed along the length direction of the guide slot, and each protruding portion calibrates a reference distance from the turntable 12, it can be understood that the reference distances calibrated by two protruding portions located at the same height and symmetrically are the same.

When the stopper 1541 slides to the position of the target reference distance, as shown in fig. 5, the inner surface of the stopper 1541 abuts against the boss 155 at the position. Since the protrusion 155 protrudes from the surface of the connecting arm 151, the friction force against the stopper 1541 can be increased, and the reference arm 152 can be prevented from slipping off the guide groove due to insufficient friction force.

In order to increase the contact area between the position-limiting portion 1541 and the protruding portion 155 and further increase the friction force, in some embodiments, the protruding portion 155 is a flat boss structure.

In some embodiments, the lamp holder 14 is rotatably connected to the base 11, and the illumination angle of the light can be adjusted by rotating the lamp holder 14, so as to meet the requirements for light rays in different visual angle detection.

The lamp head 13 is used for providing illumination for the detection personnel, and the distance reference ruler 15 is used for providing auxiliary distance positioning for the detection personnel, in order to prevent the distance reference ruler 15 and the lamp holder 14 from interfering with each other during operation, in some embodiments, the distance reference ruler 15 and the lamp holder 14 are respectively arranged on two opposite sides of the base 11. And the detection personnel can detect the position at the same side of the distance reference ruler 15, thereby not blocking light and effectively utilizing the distance reference ruler 15 as an assistant.

The base 13 includes a plurality of lamps 131 and a shade 132, and it is preferable that the lamps 131 are arranged along an arc surface to reduce the problem of the observation being affected by the shadow caused by the light emission angle.

The lampshade 132 is in a shape of a cambered plate and is used for reflecting the light emitted upwards by the lamp tube 131 downwards.

In some embodiments, the scratch detection apparatus further includes an adjustment switch (not shown) connected to the lamp 131 in the lamp head 13 through an adjustment circuit for adjusting the brightness of the lamp 131. The light intensity is changed to help the inspector use proper light brightness when inspecting the appearance of the product so as to improve the inspection efficiency and protect the eyesight of the inspector.

The brightness adjusting circuit can be realized by adopting the existing circuits such as a capacitance type touch sensing circuit and the like.

In some embodiments, the upper surface of the rotary table 12 is provided with an assembly groove 121 for placing a product to be inspected, the product to be inspected is placed in the assembly groove 121, the effect of limiting the product to be inspected can be achieved, the problem that the product to be inspected is displaced under the action of centrifugal force during rotation to cause secondary damage is solved, and the appearance of the product is protected.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; 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 modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.

Claims

1. A scratch detection device, characterized by comprising:

a base;

the lower end of the lamp holder is connected with the base;

the lamp holder is fixed at the top end of the lamp holder;

2. The scratch detection device according to claim 1, wherein the distance reference ruler includes:

3. The scratch detection apparatus according to claim 2,

the lower extreme of linking arm has seted up the shaft hole, be provided with first connecting axle on the lateral wall of base, first connecting axle passes the shaft hole with the linking arm is connected.

4. The scratch detection apparatus according to claim 2, wherein the first guide portion is a guide groove opened along a length direction of the reference arm, and the second guide portion includes:

a limiting part;

5. The scratch detection device according to claim 4, wherein the distance calibration portion includes a plurality of protrusions, the protrusions are formed on a side surface of the connection arm facing away from the reference arm, the protrusions are symmetrically disposed on both sides of the guide groove, the protrusions located on the same side are disposed along a length direction of the guide groove, and when the limiting portion slides to a position of the target reference distance, an inner side surface of the limiting portion is attached to the protrusions located at the position.

6. The scratch detection device according to claim 5, wherein the protrusion is a flat boss structure.

7. The scratch detection device according to claim 1, wherein the lamp holder is rotatably coupled to the base.

8. The scratch detection device according to any one of claims 1 to 7, wherein the distance reference ruler and the lamp holder are respectively disposed on opposite sides of the base.

9. The scratch detection device according to any one of claims 1 to 7, further comprising an adjustment switch connected to the lamp via an adjustment circuit for adjusting the brightness of the lamp.

10. The scratch detection device according to any one of claims 1 to 7, wherein a fitting groove for placing a product to be inspected is formed on an upper surface of the turntable.