WO2019061565A1

WO2019061565A1 - Flatness detection apparatus

Info

Publication number: WO2019061565A1
Application number: PCT/CN2017/106165
Authority: WO
Inventors: 许家铭; 徐吉明; 常清超; 冯亚伟; 周通
Original assignee: 富准精密电子（鹤壁）有限公司
Priority date: 2017-09-30
Filing date: 2017-10-13
Publication date: 2019-04-04
Also published as: CN206930263U

Abstract

A flatness detection apparatus (100) for detecting the flatness of a workpiece (200) placed thereon. The flatness detection apparatus (100) comprises a rack (10), a positioning mechanism (20), and a detection mechanism (30). The positioning mechanism (20) is disposed on the rack (10), and the detection mechanism (30) is disposed in the rack (10). The positioning mechanism (20) comprises a bottom plate (21), an insulating plate (22), a profiling block (23), and a cover plate (24). The detection mechanism (30) comprises a bottom plate conductive bar (34) and a detection conductive bar (35), the bottom plate conductive bar (34) being disposed on the rack (10) and connected to the bottom plate (21), and the detection conductive bar (35) being disposed on the rack (10) and passing through the bottom plate (21) and the insulating plate (22) to connect to the profiling block (23). The flatness detection apparatus (100) positions a workpiece (200) above the profiling block (23), downwardly presses the workpiece (200) towards the profiling block (23) by means of the cover plate (24), and detects the workpiece (200) by means of the detection mechanism (30). The present invention features a simple structure and a convenient-to-read result, and is easy to operate, such that fast detection of the flatness of a workpiece is implemented, and the detection efficiency is improved.

Description

Flatness detecting device

Technical field

The utility model relates to a detecting device, in particular to a flatness detecting device capable of detecting the flatness of a workpiece.

Background technique

In the light metal processing industry, some workpieces are subjected to several stages of die casting, machining, grinding, etc., and the flatness of the workpiece is tested during the post-section machining. At present, the flatness is detected by the operator placing the material on the plane physical table, measuring with the plug gauge according to the control specifications, and judging the result by the manual visual plug gauge measurement effect. The manual test operation steps are cumbersome, the test results are not intuitive, and the detection efficiency is low.

Utility model content

In view of the above circumstances, it is necessary to provide a flatness detecting device that facilitates detection of the flatness of a workpiece.

A flatness detecting device for detecting flatness of a workpiece to be tested surface placed thereon, the flatness detecting device comprising a frame, a positioning mechanism and a detecting mechanism, wherein the positioning mechanism is disposed on the rack The positioning mechanism includes a bottom plate, an insulating plate, a profiling block and a cover plate. The bottom plate is disposed on the frame, and a top surface of the bottom plate is provided with a groove, and a top surface of the bottom plate is used for carrying The workpiece, the surface to be tested of the workpiece faces the groove, the insulating plate is received in the groove, and the profiled block is disposed on the insulating plate and located below the surface to be tested a top surface of the profiling block is a contour of the surface to be tested, a top surface of the profiling block protrudes from a top surface of the bottom plate, and a top surface of the profiling block and the top surface There is a predetermined gap between the measuring faces, and the detecting mechanism includes a bottom plate conductive rod and a detecting conductive rod, wherein the bottom plate conductive rod is disposed on the frame and connected to the bottom plate, and the detecting conductive rod is disposed on the frame and passes through the bottom plate and the insulating plate Connected to the profiling block, the bottom plate and the profiling block are electrically conductive materials, the cover plate is rotatably connected to the bottom plate, and the cover plate is used to face the workpiece to be tested facing the profiling block The top surface is pressed down, and the detecting mechanism can determine whether the surface to be tested is resisted on the contour block by the conduction condition to detect the qualified condition of the flatness of the workpiece to be tested.

Further, the profiling block is provided with at least one positioning post, at least one of the positioning posts for positioning the workpiece above the profiling block, and the positioning post is an insulating material.

Further, one side of the cover plate is rotatably connected to one side of the bottom plate, and the cover plate is rotatably pressed against the workpiece, and at least one pressing block is disposed on the inner side surface of the cover plate to The workpiece is pressed down the top surface of the contour block.

Further, the detecting mechanism further includes a battery and an indicator light, the battery is disposed in the rack, the indicator light is disposed on the frame, the bottom plate conductive bar, the indicator light, the The battery and the detecting conductive rod are electrically connected in sequence.

Further, the detecting mechanism further includes a switch, the switch is disposed on the frame, and the battery, the switch and the detecting conductive bar are electrically connected in sequence.

Further, the indicator light is an LED light.

Further, the bottom plate conductive bar is a stud.

Further, the detecting conductive bar is a stud.

The flatness detecting device positions the workpiece on the bottom plate, presses the workpiece to the contour block by the cover plate, and detects whether the workpiece is resisted on the copy block by the detecting mechanism, the structure is simple, the result is convenient to read, and the operation is convenient. It realizes the rapid detection of the flatness of the workpiece and improves the detection efficiency.

DRAWINGS

1 is a perspective view of a flatness detecting device according to an embodiment of the present invention.

Fig. 2 is an exploded perspective view showing the flatness detecting device shown in Fig. 1.

Figure 3 is a cross-sectional view showing the flatness detecting device shown in Figure 1.

Main component symbol description

平面度检测装置 Flatness detecting device	100100
机架 frame	1010
定位机构 Positioning mechanism	2020
底板Bottom plate	21twenty one
凹槽 Groove	211211
绝缘板Insulation board	22twenty two
仿形块Profile block	23twenty three
定位柱 Positioning column	231231
盖板Cover	24twenty four
压块 Briquetting block	241241
检测机构 testing facility	3030
电池battery	3131
开关 switch	3232
指示灯 Indicator light	3333
底板导电棒Bottom plate conductive rod	3434
检测导电棒Detecting conductive bars	3535
工件 Workpiece	200200
待测面To be tested	201201

The present invention will be further described in conjunction with the above drawings in the following detailed description.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. example. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

It should be noted that when an element is considered to be "connected" to another element, it can be connected directly to the other element or. When an element is considered to be "disposed on" another element, it can be placed directly on the other element or the element.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to the invention. The terminology used in the description of the present invention is for the purpose of describing particular embodiments and is not intended to limit the invention. The term "and/or" used herein includes any and all combinations of one or more of the associated listed items.

Referring to FIG. 1 and FIG. 2 simultaneously, the present invention provides a flatness detecting device 100. The flatness detecting device 100 is capable of detecting the flatness of the workpiece 200 placed thereon. The flatness detecting device 100 includes a frame 10, a positioning mechanism 20, and a detecting mechanism 30. The positioning mechanism 20 is disposed on the frame 10. The detecting mechanism 30 is disposed in the frame 10. The detection mechanism 30 is electrically connected to the positioning mechanism 20. The workpiece 200 is positioned on the positioning mechanism 20, and the detecting mechanism 30 is capable of detecting the workpiece 200 on the positioning mechanism 20.

Referring to FIG. 2, the positioning mechanism 20 includes a bottom plate 21, an insulating plate 22, a contour block 23, and a cover plate 24. The bottom plate 21 is disposed on the frame 10. The top surface of the bottom plate 21 is the bearing surface of the workpiece 200, and the top surface of the bottom plate 21 is provided with a recess 211. When the workpiece 200 is placed on the top surface of the bottom plate 21, the surface 201 to be tested of the workpiece 200 faces the groove 211. Width of the groove 211 It is smaller than the width of the surface 201 to be tested of the workpiece 200. The insulating plate 22 is received in the recess 211. The contour block 23 is disposed on the insulating plate 22 and located below the surface 201 to be tested of the workpiece 200. The top surface shape of the contour block 23 is a contour to the surface 201 to be tested of the workpiece 200.

As shown in FIG. 3, when not measured, there is a gap between the surface 201 to be tested of the workpiece 200 and the contour block 23. The top surface of the bottom plate 21 is a reference surface. When the standard workpiece 200 is placed on the top surface, a predetermined gap is formed between the surface 201 to be tested of the standard workpiece 200 and the surface of the contour block 23.

The top surface of the contour block 23 protrudes from the top surface of the bottom plate 21. At least one positioning post 231 is disposed on the profiling block 23. At least one positioning post 231 is used to position the workpiece 200. One side of the cover plate 24 is rotatably coupled to one side of the bottom plate 21, and the cover plate 24 is rotatably pressed against the workpiece 200 to determine whether the surface 201 to be tested is pressed against the top surface of the contour block 23.

Four pressing blocks 241 are disposed on the cover plate 24 and four pressing blocks 241 correspondingly press the workpiece 200 toward the contour block 23 when the cover plate 24 is pressed down toward the workpiece 200. In this embodiment, four pressing blocks 241 are disposed at four corners of the inner side surface of the cover plate 24. It can be understood that the number and position of the pressing blocks 241 can be adjusted according to the situation of the workpiece 200, and is not limited thereto.

In the present embodiment, the number of the positioning posts 231 is two, but is not limited thereto.

In the present embodiment, one side of the cover plate 24 is rotatably coupled to one side of the bottom plate 21, but is not limited thereto, and the cover plate 24 may be disposed on the frame 10 and rotatably pressed against the workpiece 200.

The detecting mechanism 30 includes a battery 31, a switch 32, an indicator light 33, a bottom plate conductive bar 34, and a detecting conductive bar 35. The bottom plate conductive bar 34, the indicator light 33, the battery 31, the switch 32, and the detecting conductive bar 35 are electrically connected in sequence. The battery 31 is disposed in the chassis 10. The switch 32 is disposed on the frame 10. The indicator light 33 is disposed on the chassis 10. The bottom plate conductive bar 34 is disposed on the frame 10 and connected to the bottom plate 21. The detecting conductive bar 35 is disposed on the frame 10 and connected to the contour block 23 through the bottom plate 21 and the insulating plate 22.

The workpiece 200, the bottom plate 21, and the contour block 23 are electrically conductive materials. Insulation board 22 and The pillar 231 is an insulating material.

At the time of inspection, the workpiece 200 is positioned on the bottom plate 21 through the positioning post 231 and above the contour block 23. The cover plate 24 is rotated to press the cover plate 24 against the workpiece 200, and the four pressing blocks 241 are pressed against the workpiece 200 to press the workpiece 200 toward the contour block 23. When the switch 32 is activated, if the surface 201 to be tested of the workpiece 200 does not abut against the top surface of the contour block 23, the detecting mechanism 30 is not turned on, the indicator light 33 is not bright, and the flatness of the workpiece 200 conforms to a predetermined design. On the other hand, when the cover 24 is pressed down, the surface 201 to be tested is pressed against the top surface of the contour block 23, and the workpiece 200 is connected to the contour block 23 and the bottom plate 21, and the indicator light 33 is illuminated, and the flatness of the workpiece 200 is not qualified.

In the present embodiment, the switch 32 is a toggle switch, but is not limited thereto.

It can be understood that in other embodiments, the switch 32 can be omitted, and the bottom plate conductive bar 34, the indicator light 33, the battery 31 and the detecting conductive bar 35 are electrically connected in sequence.

In the present embodiment, the indicator light 33 is an LED lamp, but is not limited thereto.

In the present embodiment, the bottom plate conductive bar 34 and the detecting conductive bar 35 are both studs, but are not limited thereto.

In addition, those skilled in the art can make other changes in the spirit of the present invention. Of course, the changes made according to the spirit of the present invention should be included in the scope of the present invention.

Claims

A flatness detecting device for detecting flatness of a workpiece to be tested surface placed thereon, wherein the flatness detecting device comprises a frame, a positioning mechanism and a detecting mechanism, and the positioning mechanism is disposed at The positioning mechanism includes a bottom plate, an insulating plate, a contoured block and a cover plate, the bottom plate is disposed on the frame, and a top surface of the bottom plate is provided with a groove, and a top of the bottom plate The surface is used to carry the workpiece, the surface to be tested of the workpiece faces the groove, the insulating plate is received in the groove, and the contoured block is disposed on the insulating plate and located at the surface Below the measuring surface, a top surface shape of the contour block is a contour of the surface to be tested, a top surface of the contour block protrudes from a top surface of the bottom plate, and a top surface of the contour block There is a predetermined gap between the surface to be tested, the detecting mechanism includes a bottom plate conductive bar and a detecting conductive bar, and the bottom plate conductive bar is disposed on the frame and connected to the bottom plate, and the detecting conductive a rod is disposed on the frame and passes through the bottom plate and the insulating plate and the Connected to the block, the bottom plate and the profiling block are electrically conductive materials, the cover plate is rotatably connected to the bottom plate, and the cover plate is used for pressing the top surface of the workpiece to be tested facing the profiling block The detecting mechanism is capable of judging whether the surface to be tested is resisted on the profiling block by the conduction condition to detect the eligibility of the flatness of the workpiece to be tested.
The flatness detecting device according to claim 1, wherein at least one positioning post is disposed on the profiling block, and at least one of the positioning posts is configured to position the workpiece above the profiling block, and The positioning post is an insulating material.
A flatness detecting device according to claim 1, wherein one side of said cover plate is rotatably coupled to one side of said bottom plate and said cover plate is rotatably pressed against said workpiece, said At least one pressing block is disposed on the inner side surface of the cover plate to press the workpiece downward toward the top surface of the contour block.
The flatness detecting device according to claim 1, wherein the detecting mechanism further comprises a battery and an indicator light, and the battery is disposed in the rack, The indicator light is disposed on the frame, and the bottom plate conductive bar, the indicator light, the battery and the detecting conductive bar are electrically connected in sequence.
The flatness detecting device according to claim 4, wherein the detecting mechanism further comprises a switch, the switch is disposed on the frame, and the battery, the switch and the detecting conductive bar are electrically connected in sequence connection.
The flatness detecting device according to claim 4, wherein said indicator light is an LED lamp.
The flatness detecting device according to claim 4, wherein said bottom plate conductive bar is a stud.
The flatness detecting device according to claim 4, wherein said detecting conductive bar is a stud.