CN216206170U

CN216206170U - Light guide plate thickness measuring machine

Info

Publication number: CN216206170U
Application number: CN202122594218.2U
Authority: CN
Inventors: 张春; 王开群
Original assignee: Huizhou Baoming Seiko Co ltd
Current assignee: Huizhou Baoming Seiko Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-04-05
Anticipated expiration: 2031-10-27

Abstract

The utility model relates to a light guide plate thickness measuring machine which comprises a shell, a measuring mechanism and a moving mechanism, wherein the measuring mechanism and the moving mechanism are arranged on the shell; the moving mechanism comprises a second moving assembly, a third moving assembly and a bearing plate for placing a product to be measured, and the second moving assembly and the third moving assembly respectively drive the bearing plate to move along a second direction and a third direction. The utility model has reasonable structure and simple operation, and can effectively improve the measurement efficiency and precision of the light guide plate.

Description

Light guide plate thickness measuring machine

Technical Field

The utility model relates to the technical field of thickness measuring equipment, in particular to a light guide plate thickness measuring machine.

Background

The light guide plate is an important component of the backlight module, and the thickness error of the light guide plate can directly influence the product quality, so that the thickness of the light guide plate needs to be detected in the existing production of the light guide plate to ensure that the thickness meets the standard. The existing light guide plate thickness measuring mode is generally used for measuring an outer diameter micrometer through manual operation, the measuring mode is strong in subjectivity, high in dependence on the proficiency of personnel, easy to generate measuring errors, long in measuring time, easy to wear in the measuring process of products, prone to disorder in data output registration and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a light guide plate thickness measuring machine which is reasonable in structure and simple to operate and can effectively improve the efficiency and the precision of light guide plate measurement.

A light guide plate thickness measuring machine comprises a shell, a measuring mechanism and a moving mechanism, wherein the measuring mechanism and the moving mechanism are arranged on the shell, the measuring mechanism comprises a first moving assembly and a measuring instrument, and the first moving assembly drives the measuring instrument to move along a first direction; the moving mechanism comprises a second moving assembly, a third moving assembly and a bearing plate for placing a product to be measured, and the second moving assembly and the third moving assembly respectively drive the bearing plate to move along a second direction and a third direction.

Further, first removal subassembly includes first driving piece and removes the seat, first driving piece is located in the casing, the casing surface is equipped with the logical groove that extends along first direction, it slides and sets up to remove the seat, the measuring apparatu is located remove on the seat.

Furthermore, a top column is arranged on the movable seat, the top column is opposite to the measuring instrument, and a gap is formed between the top column and the measuring instrument.

Furthermore, the second moving assembly comprises a second driving piece and a moving plate, the second driving piece and the moving plate are erected on the shell, the third moving assembly is arranged on the moving plate, and the second driving piece drives the moving plate to move along a second direction.

Furthermore, the third moving assembly comprises a third driving element, an output end of the third driving element is connected with the bearing plate, and the third driving element drives the bearing plate to move along a third direction.

Furthermore, the bearing plate comprises a first bearing rod and a second bearing rod which are arranged in parallel, and the surfaces of the first bearing rod and the second bearing rod are provided with suction holes in an arrangement mode.

Furthermore, the shell is provided with an L-shaped positioning block.

Furthermore, a control panel for controlling the measuring mechanism and the moving mechanism is arranged on the shell.

Furthermore, a display screen for displaying the measurement result is arranged on the shell.

Compared with the prior art, the utility model has the beneficial effects that: the measuring mechanism can drive the measuring instrument to move along the first direction, the moving mechanism can drive the light guide plate to move in the second direction and the third direction, the thickness of each position of the light guide plate can be flexibly measured by matching the measuring instrument and the moving mechanism, the use is simple and convenient, the efficiency of measuring the thickness of the light guide plate is effectively improved, errors possibly caused by manual operation are avoided, and the measuring precision is improved.

Drawings

Fig. 1 is a schematic structural diagram of a light guide plate thickness measuring machine of the present invention.

Fig. 2 is a schematic structural diagram of a measuring mechanism of the light guide plate thickness measuring machine of the present invention.

Fig. 3 is a schematic structural diagram of a second moving assembly and a third moving assembly of the light guide plate thickness measuring machine of the present invention.

Fig. 4 is a schematic structural diagram of a bearing plate and a positioning block of the light guide plate thickness measuring machine of the present invention.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

As shown in fig. 1 and fig. 2, in a preferred embodiment, the light guide plate thickness measuring apparatus of the present invention mainly includes a housing 1, a measuring mechanism 2, and a moving mechanism 3. The shell 1 is of a hollow structure, the measuring mechanism 2 and the moving mechanism 3 are installed on the surface of the shell 1 and are respectively used for driving the measuring instrument 22 and the light guide plate to be tested to move, and therefore the thickness of the light guide plate at different positions is measured.

The measuring mechanism 2 includes a first moving assembly 21 and a measuring instrument 22, and the first moving assembly 21 is used for driving the measuring instrument 22 to move along a first direction. Specifically, the first moving assembly 21 includes a first driving element 211 and a moving seat 212, and the first driving element 211 may be implemented by an existing linear driving device, in this embodiment, the first driving element 211 is implemented by a single-shaft servo manipulator. As an alternative embodiment, the meter 22 is an existing contact digital meter. The first driving member 211 is disposed inside the housing 1, a through slot extending along a first direction is disposed on the surface of the housing 1, the movable base 212 is slidably disposed, the output end of the first driving member 211 is connected to the movable base 212, the measuring instrument 22 is mounted on the movable base 212 through the fixing block 23, and the first driving member 211 can drive the movable base 212 to move along the first direction, so as to drive the measuring instrument 22 to move.

In this embodiment, the top pillar 24 is disposed on the movable base 212, the top pillar 24 is vertically disposed, an end portion of the top pillar is opposite to an end portion of the measuring instrument 22, and a gap is formed between the end portion and the measuring instrument 22, so that the light guide plate to be tested can be moved between the top pillar 24 and the measuring instrument 22 for thickness measurement, and during measurement, the top pillar 24 supports the light guide plate.

Referring to fig. 3, the moving mechanism 3 includes a second moving assembly 31, a third moving assembly 32, and a carrier plate 33 for placing a product to be measured, the carrier plate 33 is used for carrying the light guide plate, and the second moving assembly 31 and the third moving assembly 32 respectively drive the carrier plate 33 to move along a second direction and a third direction.

Specifically, the second moving assembly 31 includes a second driving element 311 and a moving plate 312, the housing 1 is provided with a gantry 11, the second driving element 311 is installed on the gantry 11, the second driving element 311 is implemented by using an existing linear driving device, and the second driving element 311 of this embodiment is implemented by using a single-shaft servo manipulator. The moving plate 312 is connected to an output end of the second driving element 311, and the second driving element 311 can drive the moving plate 312 to move along the second direction.

The third moving assembly 32 is disposed on the moving plate 312, the third moving assembly 32 includes a third driving element 321, the third driving element 321 is a conventional linear driving device, and the third driving element 321 of the present embodiment is a single-shaft servo manipulator. The output end of the third driving member 321 is connected to the bearing plate 33, and the third driving member 321 can drive the bearing plate 33 to move along the third direction.

Referring to fig. 4, in the embodiment, the carrier plate 33 includes a first carrier bar 331 and a second carrier bar 332 disposed in parallel, suction holes 333 are arranged on the surfaces of the first carrier bar 331 and the second carrier bar 332, and the suction holes 333 are connected to a negative pressure air source not shown in the figure, so that the light guide plate can be adsorbed by negative pressure, thereby fixing the light guide plate on the carrier plate 33. The housing 1 is provided with an L-shaped positioning block 12, the positioning block 12 is used for placing a light guide plate, after the test is completed, the second moving assembly 31 can drive the bearing plate 33 to move and approach the positioning block 12, and the third moving assembly 32 can drive the bearing plate 33 to descend so as to place the light guide plate which is completed with the test on the positioning block 12.

In this embodiment, the casing 1 is provided with the control panel 13, and the control panel 13 is used for controlling the actions of the measuring mechanism 2 and the moving mechanism 3, and it can be understood that the control panel 13 may be implemented by using an existing control circuit, such as a single chip microcomputer. In order to facilitate the operator to intuitively understand the test result, a display screen 14 for displaying the measurement result is provided on the housing 1, and the display screen 14 of the embodiment is installed on the gantry 11.

The measuring mechanism 2 can drive the measuring instrument 22 to move along the first direction, the moving mechanism 3 can drive the light guide plate to move along the second direction and the third direction, the thickness of each position of the light guide plate can be flexibly measured by matching the measuring instrument 2 with the light guide plate, the use is simple and convenient, the efficiency of measuring the thickness of the light guide plate is effectively improved, errors possibly caused by manual operation are avoided, and the measuring precision is improved.

In the description of the present invention, it is to be understood that terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, which indicate orientations or positional relationships, are used based on the orientations or positional relationships shown in the drawings only for the convenience of describing the present invention and for the simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

While the utility model has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.

Claims

1. The light guide plate thickness measuring machine is characterized by comprising a shell, a measuring mechanism and a moving mechanism, wherein the measuring mechanism and the moving mechanism are arranged on the shell; the moving mechanism comprises a second moving assembly, a third moving assembly and a bearing plate for placing a product to be measured, and the second moving assembly and the third moving assembly respectively drive the bearing plate to move along a second direction and a third direction.

2. The light guide plate thickness measuring machine according to claim 1, wherein the first moving assembly includes a first driving member and a moving seat, the first driving member is disposed in the housing, a through groove extending along a first direction is disposed on a surface of the housing, the moving seat is slidably disposed, and the measuring instrument is disposed on the moving seat.

3. The light guide plate thickness measuring machine according to claim 2, wherein the movable base is provided with a top pillar, and the top pillar is opposite to the measuring instrument with a gap therebetween.

4. The light guide plate thickness measuring machine according to claim 1, wherein the second moving assembly includes a second driving member and a moving plate mounted on the housing, the third moving assembly is disposed on the moving plate, and the second driving member drives the moving plate to move along a second direction.

5. The light guide plate thickness measuring machine according to claim 4, wherein the third moving assembly comprises a third driving member, an output end of the third driving member is connected to the carrier plate, and the third driving member drives the carrier plate to move in a third direction.

6. The light guide plate thickness measuring machine according to claim 1, wherein the carrier plate includes a first carrier bar and a second carrier bar arranged in parallel, and suction holes are arranged on the surfaces of the first carrier bar and the second carrier bar.

7. The light guide plate thickness measuring machine according to claim 6, wherein the housing is provided with an "L" -shaped positioning block.

8. The light guide plate thickness measuring machine according to claim 1, wherein a control panel for controlling the measuring mechanism and the moving mechanism is provided on the housing.

9. The light guide plate thickness measuring machine according to claim 1, wherein a display screen for displaying the measurement result is provided on the housing.