CN220339384U - Device for obliquely identifying lamp bead direction - Google Patents

Abstract

The application relates to a device for obliquely identifying the direction of a lamp bead, in particular to the technical field of lamp bead detection, which comprises a base, a lamp bead placing table, an image acquisition assembly, a light supplementing assembly and an image comparator, wherein the lamp bead placing table is arranged on the base; the image acquisition component comprises an installation block arranged on the base and an image acquisition component arranged on the installation block, and the image acquisition component can acquire images of the lamp bead detection stations on the lamp bead placing table. The application has the effect of improving the accuracy of lamp pearl angle discernment.

Description

Device for obliquely identifying lamp bead direction

Technical Field

The application relates to the technical field of lamp bead detection devices, in particular to a device for obliquely identifying the direction of a lamp bead.

Background

The LED display screen is assembled by various accessories, and lamp pearl 5 is one of the most important accessories of production LED display screen, in the production process of LED display screen, need treat in advance that the position of putting of installing lamp pearl 5 detects discernment. Referring to fig. 1, the general beads 5 are hexahedral and have a flaw in one azimuth, and one azimuth among four azimuths of the beads 5 is a flaw; two opposite vertical faces 51 of the lamp beads 5 are provided with pins; the purpose of this incomplete azimuth angle is to distinguish the placement angle of the beads 5 at the time of welding, so as to correctly weld the beads 5.

At present, polarity judgment is carried out mostly in the market through the mode of electrode and lamp pearl electrical contact, and then whether the position of putting of judging the lamp pearl is correct, adopts above-mentioned mode to detect, because the lamp pearl volume is less and need the circular telegram, causes the emergence of unusual problems such as contact failure, damage very easily.

To this, also appeared on the market a device that does not need to come to judge the position of putting of lamp pearl with lamp pearl electric contact's mode, at first utilized the light filling subassembly to shine to wait to detect the lamp pearl, then utilized the camera to shoot to wait to detect the lamp pearl, rethread image comparator carries out incomplete azimuth orientation contrast with the image that the camera took with the image of predetermineeing the standard, and then comes to confirm the position of putting of lamp pearl.

Although the above-mentioned azimuth determining device avoids the electrical contact with the lamp beads, reduces the risk of damage to the lamp beads, but the recognition accuracy is difficult to be satisfied, and misjudgment on the arrangement azimuth of the lamp beads is easy to cause, so that the subsequent assembly and use are affected.

Disclosure of Invention

In order to improve the accuracy of lamp pearl angle discernment, this application provides a device in slope discernment lamp pearl position.

The application provides a device in slope discernment lamp pearl position adopts following technical scheme:

the device comprises a base, a lamp bead placing table, an image acquisition assembly, a light supplementing assembly and an image comparator, wherein the lamp bead placing table, the image acquisition assembly and the light supplementing assembly are arranged on the base, the image comparator is electrically connected with the image acquisition assembly, the image acquisition assembly and the light supplementing assembly are positioned on two sides of the lamp bead placing table, the light supplementing assembly comprises a fixing seat arranged on the base and a light source arranged on the fixing seat, an illumination area of the light source covers a lamp bead detection station of the lamp bead placing table, and the light source is higher than the lamp bead detection station of the lamp bead placing table; the image acquisition component comprises an installation block arranged on the base and an image acquisition component arranged on the installation block, and the image acquisition component can acquire images of the lamp bead detection stations on the lamp bead placing table.

Through adopting above-mentioned technical scheme, when discerning the lamp pearl angle of putting, shine the light filling to the lamp pearl of placing in the lamp pearl and place the bench by the light source, the image acquisition part acquires the image of placing the lamp pearl of placing in the lamp pearl and place the bench, compare with the image acquisition subassembly is located lamp pearl perpendicular facade directly over or the image acquisition subassembly is used for shooing the lamp pearl, the light source sets up the lamp pearl image that makes the image acquisition part can be clear obtain the azimuth with the incomplete azimuth of lamp pearl with the image acquisition part, rethread image comparator compares the lamp pearl image with the incomplete azimuth of lamp pearl of obtaining with the preset standard image, the azimuth of putting of can accurate discernment lamp pearl has improved the accuracy of lamp pearl angle discernment.

Optionally, the mounting block is provided with a clamping through hole and a locking gap, the image acquisition component is inserted in the clamping through hole, the locking gap is arranged on one side of the clamping through hole and is communicated with the clamping through hole, the mounting block is divided into a first clamping part and a second clamping part along the locking gap, the first clamping part is provided with a locking through hole perpendicular to the locking gap, the locking through hole is internally provided with a locking bolt in a penetrating manner, the second clamping part is provided with a threaded connection hole corresponding to the locking through hole, and the end part of the locking bolt is in threaded connection with the threaded connection hole.

Through adopting above-mentioned technical scheme, image acquisition part detachable connects on the installation piece, is convenient for adjust, maintain, maintenance or change image acquisition subassembly for image acquisition device can be in good operating condition, further improvement lamp pearl angle identification's accuracy. The supporting arrangement of the structures such as the clamping through hole, the locking gap, the locking bolt and the like is simple in structure, and the locking mode is stable and practical.

Optionally, the image acquisition part includes the camera, overlaps and establish optical prism on the optical lens of camera and set up in the speculum in the optical prism, the camera is fixed on the installation piece, the one end that the optical lens of camera was kept away from to the optical prism is towards the lamp pearl detection station of lamp pearl placing table, the optical lens of camera can shoot the image of lamp pearl detection station on the lamp pearl placing table through the speculum.

Through adopting above-mentioned technical scheme, when guaranteeing to shoot the image that lamp pearl placed the bench lamp pearl detection station accurately, also can make the position of placing of camera can be according to the setting angle of speculum and adjust for the camera can avoid interfering with other stations of equipment.

Optionally, the optical prism is rotatably sleeved on the optical lens of the camera, two kidney-shaped holes are transversely and parallelly formed in the mounting block, and fastening bolts in threaded connection with the base are arranged through the kidney-shaped holes.

Through adopting above-mentioned technical scheme, the optical prism rotates the cover and locates on the camera optical lens can make the speculum rotate for camera optical lens, waist shape hole and fastening bolt's setting makes the installation piece pass through fastening bolt to be fixed on the base, and can be close to or keep away from the lamp pearl along waist shape hole length direction and place the platform, remove the installation piece again after rotating the optical prism, make the camera obtain the image of lamp pearl detection station on the lamp pearl placing platform of different shooting angles through the speculum, be convenient for adjust the camera and shoot the lamp pearl image of accurate clear azimuth angle with the incomplete angle of lamp pearl with more suitable shooting angle, and then improve the accuracy of lamp pearl angle discernment.

Optionally, the installation piece is close to base one side transversely has seted up spacing logical groove, the base corresponds spacing logical groove has seted up spacing keyway, spacing keyway is embedded to be equipped with spacing key, spacing key protrusion in the base stretches into in the spacing logical groove, just spacing key width and spacing logical groove width adaptation.

Through adopting above-mentioned technical scheme, the cooperation setting in spacing key and spacing logical groove makes the installation piece need be close to or keep away from lamp pearl to place the platform along waist shape hole length direction and move more steadily to adjustment camera shooting position time has been reduced.

Optionally, the limit key protrudes out of the edge angle of one end of the base and is arranged in a round angle.

Through adopting above-mentioned technical scheme, the fillet sets up and makes more convenient when the installation piece insert spacing logical groove with spacing key to efficiency when improving the fixed mounting piece.

Optionally, the fixing base is provided with a main fixing piece and an anti-deflection fixing piece at intervals, wherein the main fixing piece and the anti-deflection fixing piece are used for fixing the fixing base.

Through adopting above-mentioned technical scheme, the supporting setting of main mounting and anti-deflection mounting makes the fixing base can be firm install on the base to guarantee to locate the stable cover of illumination district of the light source on the fixing base the lamp pearl detects the station of platform is placed to the lamp pearl, further assurance image acquisition part can acquire clear lamp pearl and place the image of bench lamp pearl detection station. The anti-deflection fixing piece enables the fixing seat to be incapable of deflecting relative to the base, and stability of the irradiation direction of the light source is guaranteed.

Optionally, the main fixing piece includes fixing bolt, the anti-deflection fixing piece includes the locating pin, set up fixed through-hole and locating pin hole on the fixing base, set up on the base with fixed screw hole that the fixed through-hole corresponds and the locating hole that corresponds with the locating pin hole, fixing bolt passes fixed through-hole and fixed screw hole will the fixing base is fixed in on the base, the locating pin inserts and locates the locating pin hole stretches into in the locating hole.

Through adopting above-mentioned technical scheme, fixing bolt makes the fixing base be fixed on the base by threaded connection's mode, and locating pin collocation fixing bolt's setting makes the fixing base more stable firm install on the base.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the image acquisition component and the light supplementing component are arranged on two sides of the lamp bead placing table, and the light source is arranged at the lamp bead detection station which is higher than the lamp bead placing table, so that the image acquisition component can completely and clearly acquire a lamp bead image with an azimuth angle of incomplete lamp beads, and the placing azimuth of the lamp beads is judged through the identification of the image comparator, so that the accuracy of lamp bead angle identification is improved.

2. Through set up optical prism and the speculum that sets up in optical prism on the optical lens of camera installation for the position of placing of camera can change according to the setting angle of speculum, makes the camera avoid the interference with other stations of equipment.

3. The arrangement of the kidney-shaped hole and the fastening bolt enables the mounting block to be close to or far away from the lamp bead placement table along the length direction of the kidney-shaped hole, the optical lens is rotatably sleeved on the optical lens of the camera, the optical lens is properly rotated, the camera can be adjusted to acquire the shooting angle of the lamp bead image by matching with the movable mounting block, the camera can conveniently shoot the accurate and clear lamp bead image with the azimuth angle of the lamp bead defect at a proper shooting angle, and then the accuracy of lamp bead angle identification is improved.

Drawings

FIG. 1 is a schematic diagram of a structure of a lamp bead to be detected in the background art and the embodiment of the present application;

FIG. 2 is a schematic overall structure of a device for obliquely identifying the orientation of a lamp bead according to an embodiment of the present application;

FIG. 3 is a schematic top view of a device for obliquely identifying the orientation of a light bulb according to an embodiment of the present application;

FIG. 4 is a schematic cross-sectional view of an embodiment of the present application;

fig. 5 is an exploded view of the device for obliquely recognizing the orientation of the lamp beads of fig. 2, which is intended to show the assembly structure of the image acquisition assembly and the light supplementing assembly.

Reference numerals: 1. a base; 11. limiting key groove; 12. a limit key; 13. fixing the threaded holes; 14. positioning holes; 2. a lamp bead placing table; 3. an image acquisition component; 31. a mounting block; 311. clamping the through hole; 312. a locking gap; 313. a first clamping part; 314. a second clamping portion; 315. locking the through hole; 316. a locking bolt; 317. a threaded connection hole; 318. a waist-shaped hole; 319. a fastening bolt; 320. limiting through grooves; 32. an image acquisition section; 321. a camera; 3211. an optical lens; 322. an optical prism; 3221. a threaded through hole; 3222. a limit bolt; 323. a reflecting mirror; 4. a light supplementing component; 41. a fixing seat; 411. a main fixing member; 412. an anti-deflection fixing member; 413. a fixing through hole; 414. positioning pin holes; 42. a light source; 43. an adjusting seat; 431. waist-shaped through grooves; 432. an adjusting bolt; 5. a lamp bead; 51. vertical elevation.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

At present, two main modes are available for shooting the image of the lamp bead 5 by using the camera to further judge the direction of the lamp bead 5. One method is to acquire an image of the upper surface of the lamp bead 5, so as to determine the orientation of the lamp bead 5, specifically: the annular incident light source arranged right above the lamp beads 5 is adopted to vertically project light beams on the upper surfaces of the lamp beads 5 for light supplementing, the image of the upper surfaces of the lamp beads 5 is obtained through the camera arranged right above the annular incident light source and with the shooting angle perpendicular to the upper surfaces of the lamp beads 5, and the obtained image is compared with the image of the upper surfaces of the lamp beads 5 with the preset standard, so that whether the orientation of the lamp beads 5 is correct or not is judged. The method can identify whether the azimuth of the lamp bead 5 is correct to a certain extent, but when reflective substances such as glue exist on the incomplete azimuth of the lamp bead 5, the image of the incomplete angle acquired by the camera can be influenced, so that misjudgment on the azimuth of the lamp bead 5 is caused; in addition, the camera is arranged right above the lamp beads 5, the installation position is very limited, the occupied space is large, and the expansion of other functions and structures is not facilitated. Another method is to acquire an image of the vertical face 51 of the lamp bead 5, so as to determine the orientation of the lamp bead 5, specifically: the camera arranged on one side of the lamp bead 5 to be detected and right facing the vertical elevation 51 of the lamp bead 5 to be detected is used for acquiring an image of the vertical elevation 51 of the lamp bead 5, when the image is acquired, a light source arranged above the lamp bead 5 is used for projecting light beams to the lamp bead 5 for supplementing light, and the position of the lamp bead 5 is determined by comparing the average gray value of the acquired image with a preset gray value range. The method has high requirements on the detection environment, and the situation that the average gray value of the shot vertical elevation 51 image is not in the preset standard range is possibly caused by the change of the surrounding environment or the problem of a light source, so that the situation of misjudgment of the azimuth occurs, and the subsequent assembly and use are affected.

To solve the above technical problem, an embodiment of the present application discloses a device for obliquely identifying the orientation of a lamp bead, referring to fig. 2 and 3, including: base 1, fixed mounting place the platform 2 on base 1 the lamp pearl, install on base 1 and lie in lamp pearl and place light filling subassembly 4 and image acquisition subassembly 3 of platform 2 both sides to and the image contrast ware that is connected with image acquisition subassembly 3 electricity, image contrast ware not shown in the figure. The light filling component 4 is used for filling light to the to-be-detected lamp beads 5 on the lamp bead placing table 2, the image obtaining component 3 is used for obtaining images of the to-be-detected lamp beads 5 placed on the lamp bead placing table 2, the image comparator is used for comparing the to-be-detected lamp beads 5 images on the lamp bead placing table 2 obtained by the image obtaining component 3 with preset images of the same-view-angle standard lamp beads 5, and then the placement orientation of the to-be-detected lamp beads 5 is judged, and of course, the average gray value of the obtained images can be combined with a comparison result of a preset gray value range in other preferred embodiments, and the placement orientation of the to-be-detected lamp beads 5 is comprehensively judged.

The light supplementing component 4 comprises a fixed seat 41 fixed on the base 1, an adjusting seat 43 slidably mounted on the top of the fixed seat 41 and a light source 42 bolted and fixed on the adjusting seat 43, a kidney-shaped through groove 431 is formed in the upper surface of the adjusting seat 43 along the vertical direction, the length direction of the kidney-shaped through groove 431 is parallel to the projection line direction of the irradiation direction of the light source 42 on the horizontal plane, two adjusting bolts 432 in threaded connection with the fixed seat 41 are arranged through the kidney-shaped through groove 431, the adjusting seat 43 is fixed on the fixed seat 41 through the adjusting bolts 432, and the installation position of the adjusting seat 43 can be adjusted as required when the light supplementing component is used, so that the adjusting seat 43 is close to or far away from the lamp bead placing table 2, and the light source 42 forms a good light supplementing effect on the lamp beads 5. The installation height of the light source 42 is higher than the detection station of the lamp beads 5 on the lamp bead placement table 2, and the light source 42 irradiates the lamp beads 5 to be detected on the lamp bead placement table 2 at a depression angle of more than 0 degrees and less than 90 degrees, preferably between 30 ° and 60 °, in this embodiment, the light source 42 selects a depression angle of 43 ° to irradiate the lamp beads 5 to be detected on the lamp bead placement table 2.

Referring to fig. 4, the fixing base 41 is provided with a main fixing member 411 and an anti-deflection fixing member 412 at intervals for fixing the fixing base 41. In this embodiment, the main fixing member 411 adopts a fixing bolt, the anti-deflection fixing member 412 adopts a positioning pin, the fixing seat 41 is provided with a fixing threaded hole 13 and a positioning pin hole 414 at intervals, the base 1 is provided with a fixing threaded hole 13 corresponding to the fixing through hole 413 and a positioning hole 14 corresponding to the positioning pin hole 414, and the fixing bolt passes through the fixing through hole 413 and is matched with the fixing threaded hole 13 to fix the fixing seat 41 on the base 1; one side of the positioning pin is inserted into the positioning pin hole 414, and the other side of the positioning pin is inserted into the positioning hole 14, so that the fixing seat 41 is prevented from rotating along the center of the fixing bolt. The cooperation setting of main mounting 411 and anti-deflection mounting 412 makes fixing base 41 can be firm install on base 1, has guaranteed the stability of light source 42 irradiation direction. In other embodiments, the anti-deflection fixing member 412 may also be configured as a fixing bolt identical to the main fixing member 411, and the positioning hole 14 on the base 1 may be replaced by a matched fixing threaded hole 13, which can achieve the purpose of preventing the fixing seat 41 from rotating along the center of the main fixing member 411.

Referring to fig. 4 and 5, the image capturing assembly 3 includes a mounting block 31 mounted on the base 1 and an image capturing component 32 mounted on the mounting block 31, in this embodiment, the image capturing component 32 includes a camera 321, an optical prism 322 sleeved on an optical lens 3211 of the camera 321, and a reflecting mirror 323 disposed in the optical prism 322, the mounting block 31 is mounted on one side of the base 1, a clamping through hole 311 and a locking gap 312 are disposed on one side of the mounting block 31 parallel to the mounting surface of the mounting block 31, the camera 321 is inserted into the clamping through hole 311, the locking gap 312 is disposed on one side of the clamping through hole 311 and is communicated with the clamping through hole 311, the mounting block 31 is divided into a first clamping portion 313 and a second clamping portion 314 along the locking gap 312, a locking through hole 315 perpendicular to the locking gap 312 is disposed on the first clamping portion 313, a locking bolt 316 is disposed in the locking through hole 315 in a penetrating manner, a threaded connection hole 317 is disposed on the second clamping portion 314 corresponding to the locking through hole 315, a screw end of the locking bolt 316 is threaded in the threaded connection hole 317, and the locking bolt 316 can press the first clamping portion 313 against the second clamping portion 314 to fix the optical lens 3211 to the mounting block 31.

The optical prism 322 is set to be a rectangular block with an L-shaped channel in the middle, two ends of the L-shaped channel are respectively set on two adjacent sides of the rectangular block, one end of the L-shaped channel is sleeved on the optical lens 3211 of the camera 321, the other end of the L-shaped channel faces the lamp bead placement table 2, the reflecting mirror 323 is mounted at a corner of the L-shaped channel, in this embodiment, the reflecting surface of the reflecting mirror 323 forms an included angle of 45 degrees with the lens surface of the optical lens 3211 of the camera 321, so that the optical lens 3211 of the camera 321 can acquire an image of a lamp bead 5 detection station on the lamp bead placement table 2 through the reflecting mirror 323, in other embodiments, the reflecting mirror 323 can also be set to be 30 degrees or 60 degrees, and the like, so that the optical lens 3211 of the camera 321 with various mounting angles can help acquire a setting angle of a lamp bead 5 detection station image on the lamp bead placement table 2. The arrangement of the optical prism 322 and the reflecting mirror 323 in the present example makes the installation axis of the camera 321 perpendicular to the length direction of the base 1, so that the camera 321 can avoid interference with other equipment stations. In other embodiments, if the installation space is sufficient, the image capturing component 32 may just use the camera 321, and in addition, the clamping through hole 311 is configured on one side of the mounting block 31 facing the lamp bead placement table 2, so that the optical lens 3211 of the camera 321 is inserted into the clamping through hole 311 and directly faces the lamp bead 5 detection station on the lamp bead placement table 2.

In addition, in the present embodiment, a threaded through hole 3221 is formed on one side of the optical prism 322, a limit bolt 3222 is screwed through the threaded through hole 3221, a screw end of the limit bolt 3222 abuts against an outer peripheral wall of the optical lens 3211 of the camera 321, so that the optical prism 322 is fixed on the optical lens 3211, the limit bolt 3222 and the threaded through hole 3221 are arranged to enable the optical prism 322 to be fixed on the optical lens 3211 of the camera 321, and on the other hand, the installation angle of the optical prism 322 can be adjusted rotationally according to requirements.

In order to enable the camera 321 to acquire the optimal angle image of the detection station of the lamp beads 5 on the lamp bead placement table 2, the detection accuracy is further improved. Further, the mounting block 31 is slidably mounted on one side of the base 1, specifically: two waist-shaped holes 318 are formed in the mounting block 31 in parallel up and down along the length direction of the base 1, fastening bolts 319 which are in threaded connection with the base 1 are respectively arranged through the waist-shaped holes 318, the mounting block 31 is fixed on the base 1 through the fastening bolts 319, and the mounting position of the mounting block 31 can be adjusted according to requirements when the mounting block 31 is used, so that the mounting block 31 is close to or far away from the lamp bead placing table 2, and the camera 321 can shoot images of the lamp bead 5 detection stations on the lamp bead placing table 2 after the optical prism 322 is rotated. And, spacing logical groove 320 has transversely been seted up to installation piece 31 near 1 one side of base, and spacing logical groove 320 has been seted up to 1 corresponding spacing logical groove of base 11, and spacing key 11 is embedded to be equipped with spacing key 12, and spacing key 12 outstanding in 1 and stretch into spacing logical groove 320 of base, and spacing key 12 width and spacing logical groove 320 width adaptation for installation piece 31 moves more steadily when being close to or keeping away from lamp pearl along waist shape hole length direction and places platform 2, has reduced the time of adjusting camera 321 shooting position. The edges of the limiting key 12 protruding from one end of the base 1 are rounded, so that the limiting key 12 can be conveniently inserted into the limiting through groove 320 when the mounting block 31 is mounted.

The implementation principle of the device for obliquely identifying the direction of the lamp beads in the embodiment of the application is as follows: before recognizing the placement angle of the lamp beads 5, the light source 42 irradiates the lamp beads 5 placed on the lamp bead placement table 2 with light, then the optical prism 322 is properly rotated and matched with the movable mounting block 31 to adjust the shooting angle of the camera 321 to obtain the images of the lamp beads 5 until the camera 321 can obtain the better images of the lamp beads 5, and then the optical prism 322 and the mounting block 31 are fixed to complete the setting of the recognition device.

When the lamp beads 5 to be detected are continuously detected, the lamp beads 5 to be detected are placed on the lamp bead placing table 2 through the lamp bead 5 transferring accessories, the camera 321 is used for acquiring images of the lamp beads 5 to be detected on the lamp bead placing table 2, then the image comparator is used for comparing the acquired images with images of the preset lamp beads 5 with the same-view-angle standard, the placement direction of the lamp beads 5 to be detected is judged, after the direction judgment is finished, the lamp beads 5 are transferred through the lamp bead 5 transferring accessories and then placed on subsequent corresponding working procedure stations according to the judgment result, and the steps are repeated. The cooperation setting of the structure, the position of image acquisition subassembly 3 and light filling subassembly 4 makes camera 321 can be complete clear acquire the lamp pearl 5 image that has the incomplete azimuth of lamp pearl 5, improves the accuracy of lamp pearl 5 angle discernment.

The foregoing is a preferred embodiment of the present application, and is not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a device in slope discernment lamp pearl position, includes base (1), locates lamp pearl on base (1) places platform (2), image acquisition subassembly (3) and light filling subassembly (4) and with image acquisition subassembly (3) electricity is connected image contrast ware, its characterized in that: the image acquisition assembly (3) and the light supplementing assembly (4) are positioned on two sides of the lamp bead placing table (2), the light supplementing assembly (4) comprises a fixing seat (41) arranged on the base (1) and a light source (42) arranged on the fixing seat (41), an illumination area of the light source (42) covers a lamp bead (5) detection station of the lamp bead placing table (2), and the light source (42) is higher than the lamp bead (5) detection station of the lamp bead placing table (2); the image acquisition assembly (3) comprises a mounting block (31) arranged on the base (1) and an image acquisition component (32) arranged on the mounting block (31), wherein the image acquisition component (32) can acquire images of detection stations of the lamp beads (5) on the lamp bead placement table (2).

2. The device for obliquely identifying the orientation of a lamp bead of claim 1, wherein: the mounting block (31) is provided with a clamping through hole (311) and a locking gap (312), the image acquisition component (32) is inserted into the clamping through hole (311), the locking gap (312) is arranged on one side of the clamping through hole (311) and is communicated with the clamping through hole (311), the mounting block (31) is divided into a first clamping part (313) and a second clamping part (314) along the locking gap (312), the first clamping part (313) is provided with a locking through hole (315) perpendicular to the locking gap (312), a locking bolt (316) is arranged in the locking through hole (315) in a penetrating manner, a threaded connecting hole (317) is formed in the second clamping part (314) correspondingly to the locking through hole (315), and the end part of the locking bolt (316) is in threaded connection with the threaded connecting hole (317).

3. The device for obliquely identifying the orientation of a lamp bead of claim 1, wherein: the image acquisition component (32) comprises a camera (321), an optical prism (322) sleeved on an optical lens (3211) of the camera (321) and a reflecting mirror (323) arranged in the optical prism (322), the camera (321) is fixed on a mounting block (31), one end, far away from the optical lens (3211) of the camera (321), of the optical prism (322) faces towards a lamp bead (5) detection station of the lamp bead placement table (2), and the optical lens (3211) of the camera (321) can shoot an image of the lamp bead (5) detection station on the lamp bead placement table (2) through the reflecting mirror (323).

4. A device for obliquely identifying the orientation of a lamp bead as claimed in claim 3, wherein: the optical prism (322) is rotatably sleeved on the optical lens (3211) of the camera (321), two waist-shaped holes (318) are transversely formed in parallel on the mounting block (31), and fastening bolts (319) in threaded connection with the base (1) are arranged through the waist-shaped holes (318).

5. A device for obliquely identifying the orientation of a lamp bead as claimed in claim 3, wherein: the mounting block (31) is close to one side of the base (1) and is transversely provided with a limiting through groove (320), the base (1) corresponds to the limiting through groove (320) and is provided with a limiting key groove (11), the limiting key groove (11) is internally embedded with a limiting key (12), the limiting key (12) protrudes out of the base (1) and stretches into the limiting through groove (320), and the width of the limiting key (12) is matched with the width of the limiting through groove (320).

6. The device for obliquely identifying the orientation of a lamp bead of claim 5, wherein: the edges and corners of the limiting keys (12) protruding out of one end of the base (1) are all round corners.

7. The device for obliquely identifying the orientation of a lamp bead of claim 1, wherein: the fixing seat (41) is provided with a main fixing piece (411) and an anti-deflection fixing piece (412) at intervals, wherein the main fixing piece (411) and the anti-deflection fixing piece (412) are used for fixing the fixing seat (41).

8. The device for obliquely identifying the orientation of a lamp bead of claim 7, wherein: the main fixing piece (411) comprises a fixing bolt, the deflection-preventing fixing piece (412) comprises a locating pin, a fixing through hole (413) and a locating pin hole (414) are formed in the fixing base (41), a fixing threaded hole (13) corresponding to the fixing through hole (413) and a locating hole (14) corresponding to the locating pin hole (414) are formed in the base (1), the fixing bolt penetrates through the fixing through hole (413) and the fixing threaded hole (13) to fix the fixing base (41) on the base (1), and the locating pin is inserted into the locating pin hole (414) and stretches into the locating hole (14).