Product tilting detector

Abstract

The utility model discloses a product warping detector, which realizes warping degree detection of transparent and thin products in a low-cost mode. The product tilting detector comprises a base, an object placing table, a dot matrix light emitter, a reflecting mirror, a contrast plate and a standard product sticker, a bracket and a mounting seat are arranged on the base; the storage table is movably placed on the upper surface of the base and located between the support and the installation base. The object placing table is used for placing a to-be-detected sample, and the upper surface is provided with a flat horizontal plane; the dot matrix light emitter is mounted on the bracket in an angle-adjustable manner; the reflecting mirror is mounted on the mounting seat in an angle-adjustable manner; the contrast plate and the base are relatively fixed, a standard product sticker is attached to one surface, facing the reflector, of the contrast plate, and the standard product sticker is a lattice diagram obtained by detecting a non-upwarp standard product; dot matrix light emitted by the dot matrix light emitter is reflected by the sample to be detected and the reflector in sequence and then is emitted to the standard sticker.

Description

Technical Field

[0001] The utility model relates to the technical field of optical instruments, in particular to a product tilting detector. Background Art

[0002] When conducting warping detection on products, especially transparent and thin products, it is difficult to detect whether the product is warped using a general warping detector, and a high-precision warping detector requires high equipment costs and is difficult to promote and apply. Utility Model Content

[0003] The utility model aims to provide a product warping detector to solve the problems existing in the prior art and realize the warping detection of transparent and thin products in a low-cost manner.

[0004] In order to achieve the above purpose, the solution of the utility model is:

[0005] A product lift detector comprises a base, a storage table, a dot matrix light emitter, a reflector, a control plate and a standard product sticker; the base is provided with a bracket and a mounting seat; the storage table is movably placed on the upper surface of the base and is located between the bracket and the mounting seat; the storage table is used to place samples to be tested, and a flat horizontal surface is provided on its upper surface; the dot matrix light emitter is installed on the bracket with an adjustable angle; the reflector is installed on the mounting seat with an adjustable angle; the control plate is relatively fixed to the base, and a standard product sticker is attached to the side facing the reflector, and the standard product sticker is a dot matrix diagram obtained after testing with a standard product without lift; the dot matrix light emitted by the dot matrix light emitter passes through the sample to be tested and reflected by the reflector in turn, and then is emitted to the standard product sticker.

[0006] The bracket is provided with a window, and the window does not block the light path between the reflector and the control plate.

[0007] A slide rail device is arranged between the upper surface of the base and the lower surface of the storage table.

[0008] The dot matrix light emitter is installed above the bracket through a ball head connecting rod; the reflector is installed on the mounting seat through an angle adjuster.

[0009] The dot matrix light emitter includes a coaxially arranged laser diode, a pair of aspheric lenses, a fundamental frequency crystal, a frequency doubling crystal, a biconcave lens, a focusing lens and a grating plate, as well as a circuit board and a PD sheet; the positive and negative poles of the laser diode are electrically connected to the circuit board respectively, and the circuit board is provided with a key switch; the arc surfaces of the aspheric lenses are arranged facing each other; the PD sheet and the frequency doubling crystal are arranged opposite to each other.

[0010] Preferably, the dot matrix light emitter also includes a first fixing seat, an adjustment frame and a second fixing seat which are coaxially arranged; the first end of the adjustment frame is fixedly connected to the first fixing seat, and the second end thereof is threadedly connected to the second fixing seat; the laser diode and the aspheric lens are both installed in the first fixing seat; the base frequency crystal, the frequency doubling crystal, the biconcave lens and the PD sheet are all installed in the adjustment frame; and the focusing lens is installed in the second fixing seat.

[0011] Preferably, the first fixing seat is provided with a first lens seat for fixing the aspheric lens, a sleeve for fixing the laser diode, and a first fastening ring for axially limiting the first lens seat and the sleeve, and the first lens seat is coaxially arranged with the sleeve.

[0012] Preferably, the first fastening ring is threadedly connected to the inner wall of the first fixing seat.

[0013] Preferably, the adjustment frame is provided with a crystal seat for fixing the fundamental frequency crystal, a fixing frame for fixing the frequency doubling crystal and the PD plate, and a second lens seat for fixing the biconcave lens, and the crystal seat, the fixing frame and the second lens seat are coaxially arranged.

[0014] Preferably, the first end of the second fixing seat is threadedly connected to the adjustment frame, and the second end thereof is provided with a third lens seat for fixing the focusing lens and a second fastening ring for axially limiting the focusing lens.

[0015] After adopting the above technical solution, the utility model has the following technical effects:

[0016] Only one dot matrix light emitter is needed on the electrical component of the utility model. By adjusting the angles of the dot matrix light emitter and the reflector, the dot matrix light emitted by the dot matrix light emitter passes through the sample to be tested and is reflected by the reflector and then emitted to the standard product sticker. The sample to be tested can be compared with the standard product without warping. Whether the sample to be tested is warped can be quickly determined by whether the light spot finally reflected to the standard product sticker overlaps with the dot matrix pattern of the standard product sticker. The detection cost is low and the efficiency is high, and it can be used to quickly eliminate defective products. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram and a principle schematic diagram of a specific embodiment of the utility model;

[0018] Figure 2 It is a structural schematic diagram of a dot matrix light emitter according to a specific embodiment of the utility model;

[0019] Description of Figure Numbers:

[0020] 1-base; 11-bracket; 111-window; 12-mounting seat;

[0021] 2- storage table; 21- horizontal surface;

[0022] 3-lattice light emitter; 31-laser diode; 32-aspherical lens; 33-base frequency crystal; 34-frequency doubling crystal; 35-double concave lens; 36-focusing lens; 37-grating plate; 38-circuit board; 381-key switch; 39-PD sheet; 310-first fixing seat; 320-adjusting frame; 330-second fixing seat; 340 first lens seat; 350-sleeve; 360-first fastening ring; 370-crystal seat; 380-fixing frame; 390-second lens seat; 3100-third lens seat; 3200-second fastening ring;

[0023] 4- Reflector;

[0024] 5-control plate;

[0025] 6-Standard product sticker;

[0026] 7- Slide rail device;

[0027] 8-ball joint connecting rod;

[0028] 9- Angle adjuster;

[0029] a-Sample to be tested. DETAILED DESCRIPTION

[0030] In order to further explain the technical solution of the present utility model, the present utility model is described in detail below through specific embodiments.

[0031] refer to Figure 1 and Figure 2 As shown, the utility model discloses a product lift detector, comprising a base 1, a storage table 2, a dot matrix light emitter 3, a reflector 4, a reference plate 5 and a standard product sticker 6;

[0032] The base 1 is usually placed horizontally on some platforms that are convenient for operation, and a bracket 11 and a mounting seat 12 are arranged on it;

[0033] The storage table 2 is movably placed on the upper surface of the base 1 and is located between the bracket 11 and the mounting seat 12; the storage table 2 is used to place the sample a to be tested, and a flat horizontal surface 21 is provided on the upper surface thereof;

[0034] The dot matrix light emitter 3 is mounted on the bracket 11 with an adjustable angle; the reflector 4 is mounted on the mounting base 12 with an adjustable angle;

[0035] The control plate 5 is relatively fixed to the base 1, and can be directly fixed on the base 1 or fixed on the side of the base 1. A standard product sticker 6 is attached to the side facing the reflector 4. The standard product sticker 6 is a dot pattern obtained after testing with a standard product without warping.

[0036] The dot matrix light emitted by the dot matrix light emitter 3 passes through the sample a to be tested and the reflector 4 in turn, and then is emitted to the standard product sticker 6.

[0037] Through the above scheme, only one dot matrix light emitter 3 is needed on the electrical component of the utility model. By adjusting the angles of the dot matrix light emitter 3 and the reflector 4, the dot matrix light emitted by the dot matrix light emitter 3 is sequentially reflected by the sample a to be detected and the reflector 4 and then emitted to the standard product sticker 6. The sample a to be detected can be compared with the standard product without warping. By determining whether the light spot finally reflected to the standard product sticker 6 overlaps with the dot matrix pattern of the standard product sticker 6, it can be quickly determined whether the sample a to be detected has warping. The detection cost is low and the efficiency is high, and it can be used to quickly eliminate defective products.

[0038] Specific embodiments of the present utility model are shown below.

[0039] The bracket 11 is provided with a window 111 to avoid blocking the light path between the reflector 4 and the control plate 5 .

[0040] A slide rail device 7 is provided between the upper surface of the base 1 and the lower surface of the platform 2 to realize the fixed-track movement of the platform 2, guide the movement of the platform 2, reduce the error caused by the offset, and ensure that the light from the dot matrix light emitter 3 can illuminate the area to be detected of the sample a to be detected.

[0041] The dot matrix light emitter 3 is mounted on the upper side of the bracket 11 through the ball head connecting rod 8 ; the reflector 4 is mounted on the mounting seat 12 through the angle adjuster 9 .

[0042] The above-mentioned dot matrix light emitter 3 includes a coaxially arranged laser diode (Laser Diode, LD) 31, a pair of aspherical lenses 32, a fundamental frequency crystal 33, a frequency doubling crystal 34, a double concave lens 35, a focusing lens 36 and a grating plate 37, as well as a circuit board 38 and a PD sheet 39; the positive and negative poles of the laser diode 31 are electrically connected to the circuit board 38 respectively, and the circuit board 38 is provided with a key switch 381; the arc surfaces of the aspherical lens 32 are arranged facing each other; the PD sheet 39 and the frequency doubling crystal 34 are arranged opposite to each other. The working principle of the dot matrix light emitter 3 is as follows: the laser diode 31 is used as a pump light source and is focused by an aspheric lens 32; after focusing, it is incident on the fundamental frequency crystal 33 to generate fundamental frequency light; the fundamental frequency light is frequency-doubled by a nonlinear effect after passing through a frequency-doubling crystal 34, the wavelength is halved, the frequency is doubled, and green light is generated; after frequency doubling, the green light spot (with a small divergence angle) is expanded and amplified by a biconcave lens 35, and then shaped into a parallel light beam by a focusing lens 36, and projected onto a grating plate 37 to obtain a multi-point light source, which is finally irradiated onto a sample a to be detected.

[0043] In some embodiments of the above-mentioned dot matrix light emitter 3, the above-mentioned dot matrix light emitter 3 also includes a coaxially arranged first fixed seat 310, an adjustment frame 320 and a second fixed seat 330; the first end of the adjustment frame 320 is fixedly connected to the first fixed seat 310, and the second end thereof is threadedly connected to the second fixed seat 330, so as to adjust the relative distance between the first fixed seat 310 and the second fixed seat 330; the laser diode 31 and the aspheric lens 32 are both installed in the first fixed seat 310; the base frequency crystal 33, the frequency doubling crystal 34, the biconcave lens 35 and the PD plate 39 are all installed in the adjustment frame 320; and the focusing lens 36 is installed in the second fixed seat 330.

[0044] In some embodiments of the above-mentioned dot matrix light emitter 3, the above-mentioned first fixing seat 310 is provided with a first lens seat 340 for fixing the aspheric lens 32, a sleeve 350 for fixing the laser diode 31, and a first fastening ring 360 for axially limiting the first lens seat 340 and the sleeve 350, and is used to prevent the first lens seat 340 and the sleeve 350 from being loosened from the first fixing seat 310, and the first lens seat 340 is coaxially arranged with the sleeve 350. Furthermore, the above-mentioned first fastening ring 360 is threadedly connected to the inner wall of the first fixing seat 310, so as to facilitate disassembly and assembly.

[0045] In some embodiments of the above-mentioned dot matrix light emitter 3, the above-mentioned adjustment frame 320 is provided with a crystal seat 370 for fixing the fundamental frequency crystal 33, a fixing frame 380 for fixing the frequency doubling crystal 34 and the PD plate 39, and a second lens seat 390 for fixing the biconcave lens 35. The crystal seat 370, the fixing frame 380 and the second lens seat 390 are coaxially arranged.

[0046] In some embodiments of the above-mentioned dot matrix light emitter 3, the first end of the above-mentioned second fixed seat 330 is threadedly connected to the adjustment frame 320, and the second end thereof is provided with a third lens seat 3100 for fixing the focusing lens 36, and a second fastening ring 3200 for axially limiting the focusing lens 36, which is used to prevent the focusing lens 36 from loosening from the third lens seat 3100.

[0047] refer to Figure 1 As shown, the working principle of the utility model is:

[0048] First, place the standard on the storage table 2, adjust the angles of the dot matrix light emitter 3 and the reflector 4, turn on the dot matrix light emitter 3, so that the light is reflected and irradiated on the control plate 5, and then make the standard sticker 6 according to the distribution of the light spots and attach it to the control plate 5; remove the standard, place the sample a to be tested in the same position, and start the test.

[0049] The above embodiments and drawings do not limit the product form and style of the present utility model. Any appropriate changes or modifications made by ordinary technicians in the relevant technical field should be deemed to be within the patent scope of the present utility model.

Claims

1. A product tilting detector, characterized in that: Including base, storage table, dot matrix light emitter, reflector, reference plate and standard product sticker; The base is provided with a bracket and a mounting seat; The storage platform is movably placed on the upper surface of the base and is located between the bracket and the mounting seat; the storage platform is used to place the sample to be tested, and a flat horizontal surface is provided on the upper surface of the storage platform; The dot matrix light emitter is installed on the bracket in an angle-adjustable manner; the reflector is installed on the mounting seat in an angle-adjustable manner; The control plate is relatively fixed to the base, and a standard product sticker is attached to the side of the control plate facing the reflector, wherein the standard product sticker is a dot matrix obtained after testing with a standard product without warping; The dot matrix light emitted by the dot matrix light emitter passes through the sample to be tested and is reflected by the reflector in sequence and then is emitted to the standard product sticker.

2. The product tilting detector according to claim 1, characterized in that: The bracket is provided with a window, and the window does not block the light path between the reflector and the control plate.

3. The product tilting detector according to claim 1, characterized in that: A slide rail device is arranged between the upper surface of the base and the lower surface of the storage table.

4. The product tilting detector according to claim 1, characterized in that: The dot matrix light emitter is installed above the bracket through a ball head connecting rod; the reflector is installed on the mounting seat through an angle adjuster.

5. The product tilting detector according to claim 1, characterized in that: The dot matrix light emitter includes a coaxially arranged laser diode, a pair of aspheric lenses, a fundamental frequency crystal, a frequency doubling crystal, a biconcave lens, a focusing lens and a grating plate, as well as a circuit board and a PD sheet; the positive and negative poles of the laser diode are electrically connected to the circuit board respectively, and the circuit board is provided with a key switch; the arc surfaces of the aspheric lenses are arranged facing each other; the PD sheet and the frequency doubling crystal are arranged opposite to each other.

6. The product tilting detector according to claim 5, characterized in that: The dot matrix light emitter also includes a first fixing seat, an adjustment frame and a second fixing seat arranged coaxially; the first end of the adjustment frame is fixedly connected to the first fixing seat, and the second end thereof is threadedly connected to the second fixing seat; the laser diode and the aspheric lens are both installed in the first fixing seat; the fundamental frequency crystal, the frequency doubling crystal, the biconcave lens and the PD sheet are all installed in the adjustment frame; the focusing lens is installed in the second fixing seat.

7. The product tilting detector according to claim 6, characterized in that: The first fixing seat is provided with a first lens seat for fixing the aspheric lens, a sleeve for fixing the laser diode, and a first fastening ring for axially limiting the first lens seat and the sleeve. The first lens seat is coaxially arranged with the sleeve.

8. The product tilting detector according to claim 7, characterized in that: The first fastening ring is threadedly connected to the inner wall of the first fixing seat.

9. The product tilting detector according to claim 6, characterized in that: The adjustment frame is provided with a crystal seat for fixing the fundamental frequency crystal, a fixing frame for fixing the frequency doubling crystal and the PD plate, and a second lens seat for fixing the biconcave lens. The crystal seat, the fixing frame and the second lens seat are coaxially arranged.

10. The product tilting detector according to claim 6, characterized in that: The first end of the second fixing seat is threadedly connected to the adjustment frame, and the second end thereof is provided with a third lens seat for fixing the focusing lens and a second fastening ring for axially limiting the focusing lens.

Images