CN117842674B - Identification test equipment based on infrared imaging - Google Patents
Identification test equipment based on infrared imaging Download PDFInfo
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- CN117842674B CN117842674B CN202410258835.0A CN202410258835A CN117842674B CN 117842674 B CN117842674 B CN 117842674B CN 202410258835 A CN202410258835 A CN 202410258835A CN 117842674 B CN117842674 B CN 117842674B
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- 238000013095 identification testing Methods 0.000 title claims abstract description 27
- 238000003331 infrared imaging Methods 0.000 title claims abstract description 27
- 238000001514 detection method Methods 0.000 claims abstract description 184
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 238000007599 discharging Methods 0.000 claims description 10
- 238000007689 inspection Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
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Abstract
The invention provides an infrared imaging-based identification test device, which relates to the field of detection of electrical components and comprises a detection table, a detection device, a push cylinder, a feeding frame, a first push plate, a second push plate, a transmission device, an adjusting support piece and a power module. According to the infrared imaging-based identification test equipment provided by the invention, the two feeding frames are arranged, the to-be-tested pieces are directly stacked and placed in the two feeding frames, relatively more to-be-tested pieces can be placed by using the relatively shorter feeding frames, the first pushing plate, the second pushing plate and the support are connected by arranging the transmission device, when the pushing cylinder is used for switching the detection positions of the detection devices, the transmission device simultaneously drives one pushing plate to push a new to-be-tested piece to enter the detection cavity, drives the other pushing plate to move out of the corresponding feeding frame, automatic feeding of the to-be-tested pieces is realized, the detection device does not need to wait for feeding time, the detection efficiency is ensured, and more to-be-tested pieces can be stored by utilizing a smaller feeding structure.
Description
Technical Field
The invention relates to the field of detection of electrical components, in particular to identification test equipment based on infrared imaging.
Background
Basic electronic components, such as a chip capacitor, a chip resistor and the like, need to be detected to determine whether the electronic components are qualified products or not after production, and the electronic components such as the chip capacitor and the like have small volumes, so that the electronic components such as the chip capacitor and the like in a large batch are not easy to be detected singly;
The utility model provides a be used for the check out test set to large batch paster electric capacity among the prior art, including detecting platform, infrared scanning equipment and circuit board, with the paster electric connection that awaits measuring of a certain quantity on the circuit board, and form parallel circuit between the paster electric capacity, infrared scanning equipment installs on detecting platform, during the detection, place the circuit board below infrared scanning equipment, then put through the circuit board, and use infrared scanning equipment to scan the circuit board, gather the image of paster electric capacity on the circuit board, because the during paster electric capacity inefficacy, the insulation resistance of paster electric capacity can increase, when the electric current is the same, the heat that produces is higher, thereby can judge that the paster electric capacity is inefficacy according to the colour of the image after gathering, when detecting the paster electric capacity of batched, connect the paster electric capacity on a plurality of circuit boards in batches, detect in proper order.
At present when carrying out the detection in proper order with circuit board material loading to infrared scanning equipment below, including using belt conveying equipment, equidistant a plurality of circuit boards that await measuring of placing on the conveyer belt, automatic transport detects to scanning equipment's below, but the conveyer belt holds the quantity of circuit board that awaits measuring limited, needs equipment such as manual work or equipped with manipulator constantly to discharge good circuit board material loading to the conveyer belt in proper order on the conveyer belt, and the conveyer belt is great relatively.
Therefore, it is necessary to provide an infrared imaging-based identification test apparatus to solve the above technical problems.
Disclosure of Invention
The invention provides identification test equipment based on infrared imaging, which solves the problems that when equipment such as a conveyer belt is used for feeding a piece to be tested, the conveyer belt is large in size, and auxiliary equipment is required to be configured for continuously feeding the conveyer belt.
In order to solve the above technical problems, the identification test device based on infrared imaging provided by the present invention includes: the detection platform is provided with two detection cavities in a penetrating way;
the detection device comprises a bracket and infrared detection equipment, the bracket is slidably arranged on the detection table, and the infrared detection equipment is arranged on the bracket and is suspended above a detection cavity;
the pushing cylinder is arranged on the detection table, and the output end of the pushing cylinder is connected with the bracket;
The two feeding frames are arranged on the detection table and are correspondingly positioned at one side of the two detection cavities, a discharging gap is formed in the bottom of one side of the feeding frame, facing the detection cavities, and one to-be-detected piece is allowed to pass through the discharging gap;
The first pushing plate is arranged on one side, far away from the detection cavity, of one feeding frame, and the second pushing plate is arranged in the other feeding frame;
The transmission device is used for connecting the first push plate, the bracket and the second push plate;
The two adjusting support pieces are arranged in one-to-one correspondence with the two detection cavities, each adjusting support piece comprises a driving device and two bearing plates, the two bearing plates are rotatably arranged on two sides of the inside of the detection cavity, and the driving device is used for adjusting the angles of the two bearing plates;
And the power supply module is used for supplying power to the to-be-detected piece.
Preferably, the transmission device comprises a connecting frame and two driving arms, the top end of the connecting frame penetrates through the detection table through a first strip-shaped hole and then is connected with the support, one ends of the two driving arms are respectively connected to two ends of the connecting frame, and the other ends of the two driving arms penetrate through the detection table through a second strip-shaped hole and are correspondingly connected with the first pushing plate and the second pushing plate.
Preferably, opposite sides of the first push plate and the second push plate are inclined planes.
Preferably, the driving device comprises a driving rod, a rotating device, two supporting plates and two sliding shafts, the driving rod is rotatably installed on the detection table and penetrates through the detection cavity, threaded surfaces are arranged at two ends of the driving rod, one ends of the two supporting plates are respectively in threaded connection with two ends of the driving rod, one ends of the two sliding shafts are respectively installed at two ends of the supporting plates, the other ends of the sliding shafts penetrate through the detection table, the rotating device is used for driving the driving rod to rotate, the bearing plate is located between the driving rod and the sliding shafts, and the supporting plates are used for supporting the bottom of the bearing plate.
Preferably, the rotating device is a unidirectional gear, and the unidirectional gear is arranged at one end of the driving rod; the two ends of the driving rod are provided with reciprocating thread surfaces, the transmission device further comprises two toothed plates, and one ends of the two toothed plates are respectively arranged on the two driving arms; when the pushing cylinder drives the support to move horizontally, the connecting frame moves along with the support, the connecting frame drives the toothed plates to move horizontally through the driving arm, and the two toothed plates are meshed with the corresponding unidirectional gears.
Preferably, the power module comprises a sliding arm, a mounting block, a power plug and a pushing piece, wherein the sliding arm is mounted on the detection table and is arranged adjacent to the detection cavity, the mounting block is sleeved on the sliding arm, the power plug is mounted on the mounting block, and the pushing piece is used for pushing the mounting block towards the direction of the detection cavity.
Preferably, the pushing piece comprises a pushing piece and a driving piece, one end of the pushing piece is installed on the support, two sides of the other end of the pushing piece are both provided with cambered surfaces and face the detection cavity, the driving piece is installed on the installation piece, the power module further comprises an elastic piece, and the elastic piece is sleeved on the sliding arm and located between the installation piece and the detection platform.
Preferably, the detecting table is provided with a straight limiting piece and an angular limiting piece at two sides of the detecting cavity.
Preferably, the infrared imaging-based identification test device further comprises a carrier, and the carrier is arranged below the detection cavity.
Preferably, the carrier is a conveying device.
Compared with the related art, the infrared imaging-based identification test equipment provided by the invention has the following beneficial effects:
The invention provides an infrared imaging-based identification test device, which is characterized in that two feeding frames are arranged, a piece to be tested is directly stacked and placed in the two feeding frames, a relatively short feeding frame can be used for placing a relatively large number of pieces to be tested, a first pushing plate, a second pushing plate and a support are connected through a transmission device, when the positions of a detection device are switched by a pushing cylinder so as to detect the pieces to be tested in different detection cavities, the transmission device drives one pushing plate to push a new piece to be tested into the detection cavities at the same time, drives the other pushing plate to move out of the corresponding feeding frame, waits for pushing the piece to be tested next time and feeds the piece to be tested into the detection cavities, automatic feeding of the piece to be tested is realized, the detection device does not need waiting for feeding time, the detection efficiency is ensured, and more pieces to be tested can be stored by utilizing a smaller feeding structure.
Drawings
FIG. 1 is a schematic diagram of an infrared imaging based identification test apparatus according to a preferred embodiment of the present invention;
FIG. 2 is a bottom view of a portion of the inspection station shown in FIG. 1;
FIG. 3 is an enlarged schematic view of portion A shown in FIG. 1;
Fig. 4 is a schematic diagram of an operating state of the infrared imaging-based identification test device provided by the invention, wherein fig. 4a is a schematic diagram of an infrared detection device detecting a piece to be tested located on the left side, fig. 4b is a schematic diagram of discharging a tested piece after the test is completed, and fig. 4c is a schematic diagram of an infrared detection device detecting a piece to be tested located on the right side;
FIG. 5 is a schematic view of the test piece shown in FIG. 1;
FIG. 6 is a partial cross-sectional view of the inspection station shown in FIG. 1;
fig. 7 is a schematic view of an operating state of the adjusting support provided by the invention, wherein fig. 7a is a schematic view of half of a tooth surface of a toothed plate and a unidirectional gear, fig. 7b is a schematic view of ninety degrees of downward rotation of two bearing tables, fig. 7c is a schematic view of complete action of the tooth surface of the toothed plate and the unidirectional gear, and fig. 7d is a schematic view of ninety degrees of upward rotation of two bearing tables and a detection table;
Fig. 8 is a schematic diagram of a working state of a power supply module according to the present invention, wherein fig. 8a is a schematic diagram of a pushing member pushing a mounting block in a left power supply module to insert a power plug into a power connector of a corresponding to-be-tested member, and fig. 8b is a schematic diagram of a pushing member pushing a mounting block in a right power supply module to insert a power plug into a power connector of a corresponding to-be-tested member.
Reference numerals in the drawings:
1. A detection table; 101. a detection chamber; 102. a first bar-shaped hole; 103. a second bar-shaped hole; 104. a straight limiting piece; 105. angular limiting pieces;
2. A detection device; 21. a bracket; 22. an infrared detection device; 23. a sliding seat; 211. a slide block; 212. a lifting frame;
3. Pushing a cylinder;
4. a feeding frame; 41. a discharge gap;
5. A first push plate; 6. a second push plate;
7. adjusting the support; 71. a driving device; 72. a carrying plate;
711. A driving rod; 712. a support plate; 713. a rotating device; 714. a slide shaft; 721. a rotating shaft;
8. a transmission device; 81. a connecting frame; 82. a driving arm; 83. a toothed plate;
9. A power module; 91. a slide arm; 92. a mounting block; 93. a power plug; 94. a pushing member; 95. an elastic member; 941. a pushing block; 942. a driving block;
10. a carrier;
11. a circuit board; 111. a support leg; 112. a power supply connector;
12. A device under test;
20. and (5) disassembling the station.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides an infrared imaging-based identification test device.
Referring to fig. 1 to 3 in combination, in an embodiment of the present invention, the infrared imaging based identification test apparatus includes: the detection device comprises a detection table 1, wherein two detection cavities 101 are formed in the detection table 1 in a penetrating manner;
The detection device 2 comprises a bracket 21 and an infrared detection device 22, wherein the bracket 21 is slidably arranged on the detection table 1, and the infrared detection device 22 is arranged on the bracket 21 and is suspended above a detection cavity 101;
The pushing cylinder 3 is arranged on the detection table 1, and the output end of the pushing cylinder 3 is connected with the bracket 21;
The two feeding frames 4 are arranged on the detection table 1, and are correspondingly positioned on one side of the two detection cavities 101, a discharging gap 41 is formed in the bottom of the side, facing the detection cavities 101, of the feeding frame 4, and the discharging gap 41 allows one piece to be detected to pass through;
A first push plate 5 and a second push plate 6, wherein the first push plate 5 is arranged at one side of one feeding frame 4 far away from the detection cavity 101, and the second push plate 6 is arranged in the other feeding frame 4;
A transmission device 8, wherein the transmission device 8 is used for connecting the first push plate 5, the bracket 21 and the second push plate 6;
The two adjusting support pieces 7 are arranged in one-to-one correspondence with the two detecting cavities 101, the adjusting support pieces 7 comprise a driving device 71 and two bearing plates 72, the two bearing plates 72 are rotatably arranged on two sides in the detecting cavities 101, and the driving device 71 is used for adjusting the angles of the two bearing plates 72;
And the power supply module 9 is used for supplying power to the to-be-detected piece.
In the embodiment, the to-be-tested components are to-be-tested components 12 and a circuit board 11, wherein a plurality of to-be-tested components 12 are electrically connected to one circuit board 11, and a parallel circuit is formed between each of the to-be-tested components 12. In this embodiment, the device under test 12 is a chip capacitor, and the circuit board 11 is further provided with a power connector 112.
When the device is used, to-be-tested pieces are stacked in the two feeding frames 4, wherein the to-be-tested pieces are stacked on the second pushing plate 6 in the feeding frames 4 corresponding to the second pushing plate 6, and one to-be-tested piece is placed in the two initial detection cavities 101 and is positioned on the bearing plate 72 correspondingly;
in detection, referring to fig. 4 (4 a), the power module 9 is electrically connected to the power connector 112 on the circuit board 11 in the to-be-detected piece below the infrared detection device 22 to supply power to the circuit board 11, then the infrared detection device 22 collects the image of the to-be-detected element 12 in the to-be-detected piece for 1-3 minutes, and after the collection is completed, the collected image is transmitted to the background for analysis;
when the detection of the to-be-detected piece is completed, the driving device 71 drives the bearing plate 72 to be opened, and the tested piece is moved out of the detection cavity 101;
Referring to fig. 4 (4 c), the push cylinder 3 pulls the detection device 2 toward the second push plate 6 to suspend the infrared detection apparatus 22 above another workpiece to be detected;
At the same time, the bracket 21 in the detection device 2 drives the first push plate 5 to move towards the left detection cavity 101 through the transmission device 8, and pushes one piece to be detected positioned at the lowest part inside the left upper material rack 4 to move from the discharge gap 41 to the bearing plate 72 in the left detection cavity 101 to wait for detection; the to-be-measured piece positioned above is limited by the feeding frame 4 and is positioned on the first push plate 5; the transmission device 8 drives the second push plate 6 to move to the right side simultaneously, and moves out of the feeding frame 4 on the right side, and at the moment, the to-be-detected pieces stacked in the feeding frame 4 fall onto the detection table 1.
After the testing of the to-be-tested piece on the right side is completed, the pushing cylinder 3 pushes the detecting device 2 towards the direction of the first pushing plate 5 in the same way, so that the infrared detecting device 22 is suspended above the to-be-tested piece on the left side again, at this time, the transmission device 8 drives the first pushing plate 5 to move leftwards and move out of the left feeding frame 4, at this time, the stacked to-be-tested piece falls onto the detecting table 1, the second pushing plate 6 pushes one to-be-tested piece positioned at the lowest inside of the right feeding frame 4 to move to the detecting cavity 101 on the right side from the discharging gap 41, and the detection is waited for, and the subsequent repeated operation is completed until the detection is completed.
Through setting up two material loading framves 4, directly fold to be measured the piece and establish and place in two material loading framves 4, can use relatively shorter material loading framves 4 to place relatively many pieces that await measuring, and connect first push pedal 5 through setting up transmission 8, second push pedal 6 and support 21, when pushing the position that jar 3 switches detection device 2, in order to detect the piece that awaits measuring in the different detection chambers 101, transmission 8 drives a push pedal simultaneously and promotes new piece that awaits measuring and enter into detection chamber 101, drive another push pedal and shift out corresponding material loading frame 4, wait to promote the piece that awaits measuring next time and feed into detection chamber 101, realize automatic feeding piece that awaits measuring, and detection device 2 need not wait for the material loading time, guarantee detection efficiency, utilize less feeding structure, can deposit more pieces that await measuring.
The application further comprises an analysis module, the infrared detection device 22 transmits the acquired image to the analysis module, the analysis module processes the image, identifies the color of the image and divides a plurality of color areas such as red, yellow, blue and the like, compares each color area with a preset color threshold value, and if the color area exceeds the threshold value, the failed element 12 to be detected is identified, and marks and records the failed element 12 to be detected, so that the subsequent elimination is facilitated.
The infrared detection device 22 uses the thermal imaging principle to image different colors according to the difference of the displayed heat of the element 12 to be detected, and when the patch capacitor fails, the insulation resistance of the patch capacitor is increased, and when the current is the same, the generated heat is higher, so that the qualified element 12 to be detected can be distinguished.
The area of the element 12 to be tested arranged on the circuit board 11 is preferably within the scannable range of the detection head of the infrared detection device 22, so that one piece to be tested can pass through one detection, and the infrared detection device 22 does not need to be moved and adjusted.
Referring to fig. 5, a plurality of legs 111 are disposed at the bottom of the circuit board 11;
By arranging the plurality of support legs 111 at the bottom of the circuit board 11, the stacked circuit boards 11 are separated, mutual extrusion between the components 12 to be tested is avoided, and detection circuits are not arranged in the transverse direction and the longitudinal direction of the top surface of the circuit board 11 corresponding to the positions of the mounting support legs 111, namely the components 12 to be tested are not arranged, and the components are arranged smoothly, so that the influence of the support legs 111 on the operation of moving the lower circuit board 11 out of the feeding frame 4 is avoided.
The number of the legs 111 is not less than four, in this example four, provided at four corners of the bottom of the circuit board 11. Preferably, the support 111 includes two end seats and an elastic portion, the elastic portion connects the two end seats, and the upper end seat is connected to the circuit board 11. The elastic part is a rubber block or a reed with an arc surface, and the like, so that when the first push plate 5 or the second push plate 6 moves out of the feeding frame 4, the circuit board 11 falls onto the detection table 1, and has a buffering effect.
The bearing plate 72 is rotatably installed in the detection chamber 101 through the rotation shaft 721, wherein the rotation shaft 721 is fixed inside the detection chamber 101, and the bearing plate 72 is sleeved on the rotation shaft 721.
Referring to fig. 2, in an embodiment, the transmission device 8 includes a connecting frame 81 and two driving arms 82, wherein the top end of the connecting frame 81 penetrates through the detecting platform 1 through a first bar hole 102 and then is connected with the support 21, one ends of the two driving arms 82 are respectively connected with two ends of the connecting frame 81, and the other ends of the two driving arms 82 penetrate through the detecting platform 1 through a second bar hole 103 and are correspondingly connected with the first pushing plate 5 and the second pushing plate 6.
Referring to fig. 4 (4 a) and (4 c), when the pushing cylinder 3 pulls the bracket 21 to drive the infrared detection device 22 to move to the right above the to-be-detected member, the bracket 21 drives the connecting frame 81 to move, and the connecting frame 81 drives the first pushing plate 5 to push the lowermost to-be-detected member of the left feeding frame 4 to the bearing plate 72 in the left detection cavity 101 through the left driving arm 82; the connecting frame 81 drives the second push plate 6 to move out of the feeding frame 4 on the right side through the driving arm 82 on the right side;
When the pushing cylinder 3 pushes the bracket 21 to move to the left, the first pushing plate 5 moves out of the left feeding frame 4, and the second pushing plate 6 pushes the lowest part of the right feeding frame 4 to move onto the bearing plate 72 in the right detecting cavity 101.
Wherein, link 81 is the reverse T shape frame, and the middle part top runs through first bar hole 102 and is connected with support 21, and two actuating arms 82 are installed at the both ends of link 81 respectively.
In another embodiment, the transmission device 8 comprises a U-shaped frame and a connecting block, the U-shaped frame is arranged above the detection table 1, two ends of the U-shaped frame are respectively connected with one side of the first push plate 5 and one side of the second push plate 6, which are separated from each other, and the middle of the U-shaped frame is connected with the bracket 21 through the connecting block.
Preferably, the first push plate 5 and the second push plate 6 are correspondingly and slidably connected with the detection platform 1, a sliding groove is formed in the detection platform 1, sliding keys are arranged at the bottoms of the first push plate 5 and the second push plate 6, and the sliding keys slide into the sliding groove to form sliding fit (not shown).
Referring to fig. 1, the stand 21 includes a slider 211 and a lifting frame 212, and the detecting device 2 further includes a sliding seat 23; the sliding seat 23 comprises two sliding rods and fixed blocks, two ends of the two sliding rods are arranged on the detection table 1 through the fixed blocks, the sliding blocks 211 are sleeved on the sliding rods to form sliding fit, the lifting frame 212 is arranged on the sliding blocks 211, and the infrared detection equipment 22 is arranged at the telescopic end of the lifting frame 212.
The top end of the connecting frame 81 penetrates through the first strip-shaped hole 102 and then is connected with the sliding block 211, and the output end of the pushing cylinder 3 is connected with the sliding block 211; the height of the infrared detection device 22 can be adjusted as needed by providing the elevator 212 to accommodate different detection areas.
In one embodiment, the lifting frame 212 comprises a stand column, a mounting sleeve and a threaded knob, the stand column is mounted on the sliding block 211, the mounting sleeve is sleeved on the stand column, the threaded knob is in threaded connection with the mounting sleeve, the locking is realized by screwing the threaded knob to abut against the stand column, and the infrared detection equipment 22 is mounted on the mounting sleeve;
In another embodiment, the lifting frame 212 is an electric telescopic cylinder, and lifting of the infrared detection device 22 is automatically achieved.
Referring to fig. 4, in a preferred embodiment, opposite sides of the first push plate 5 and the second push plate 6 are each provided with an inclined surface.
Due to the limitation of the feeding frame 4, when the first push plate 5 or the second push plate 6 does not completely move out of the feeding frame 4, the piece to be tested located above does not drop down, so that when the first push plate 5 or the second push plate 6 is close to move out of the corresponding feeding frame 4, the piece to be tested can gradually drop down along the inclined plane of the end part and does not suddenly drop down.
When the first push plate 5 and the second push plate 6 push the circuit board 11, the legs 111 near the side of the first push plate 5 or the second push plate 6 are preferably pushed.
In an embodiment, the driving device 71 is a motor, each carrying plate 72 corresponds to one motor, the motor is installed on the detection platform 1, and the carrying plate 72 is installed on an output shaft of the motor, so as to realize adjustment of the carrying plate 72.
Referring to fig. 2, 3 and 6, in another embodiment, the driving device 71 includes a driving rod 711, a rotating device 713, two support plates 712 and two sliding shafts 714, the driving rod 711 is rotatably mounted on the detecting platform 1 and penetrates through the detecting cavity 101, two ends of the driving rod 711 are respectively provided with a threaded surface, one ends of the two support plates 712 are respectively in threaded connection with two ends of the driving rod 711, one ends of the two sliding shafts 714 are respectively mounted at the other ends of the two support plates 712, the other ends of the sliding shafts 714 penetrate through the detecting platform 1, the rotating device 713 is used for driving the driving rod 711 to rotate, the bearing plate 72 is located between the driving rod 711 and the sliding shafts 714, and the support plates 712 are used for supporting the bottom of the bearing plate 72.
When the detection of a part to be detected is completed, the rotating device 713 in the adjusting support piece 7 at the corresponding position drives the driving rod 711 to rotate, drives the two support plates 712 at the two ends to move towards the opposite sides, separates the support plates 712 from the support plates 72, and gradually rotates downwards under the action of gravity after the support plates 712 are gradually lost, the part to be detected positioned on the support plates 72 moves downwards along with the gravity, when the support plates 72 rotate downwards for ninety degrees, the tested part moves out of the detection cavity 101, after moving out of the detection cavity 101, the rotating device 713 drives the driving rod 711 to reversely rotate, and at the moment, the two support plates 712 move towards the opposite sides, gradually push the support plates 72 to rotate upwards until the two support plates 72 rotate upwards for ninety degrees and are level with the table top of the detection table 1.
By arranging the support plates 712 to support the bearing plates 72, each bearing plate 72 does not need to be correspondingly provided with a motor, and meanwhile, the influence on the service life of the motor caused by the weight of the bearing plates 72 and the to-be-detected piece acting on the driving shaft of the motor can be avoided.
Referring to fig. 4, the detecting cavity 101 is a convex cavity, the cavity on the upper side is smaller than the cavity on the lower side, the two bearing plates 72 are located in the cavity above the detecting cavity 101, and the driving rod 711 is located in the cavity below;
Referring to fig. 1, openings are formed on two sides of the detection chamber 101 on the detection table 1, and two ends of the driving rod 711 penetrate through the detection chamber 101 and extend into the openings on two sides to be rotatably connected with the inner walls of the openings.
In one embodiment, the rotating device 713 is a rotating motor, which is mounted on the detection table 1, and one end of the driving lever 711 is connected to an output end of the rotating motor.
Referring to fig. 2 and 3, in another embodiment, the rotating device 713 is a unidirectional gear, and the unidirectional gear is mounted on one end of the driving rod 711; the two ends of the driving rod 711 are provided with reciprocating thread surfaces, the transmission device 8 further comprises two toothed plates 83, and one ends of the two toothed plates 83 are respectively arranged on the two driving arms 82; when the pushing cylinder 3 drives the support 21 to move horizontally, the connecting frame 81 moves along with the support 21, the connecting frame 81 drives the toothed plates 83 to move horizontally through the driving arm 82, and the two toothed plates 83 are meshed with the corresponding unidirectional gears.
Referring to fig. 4 (4 b), and fig. 7 (7 a) and 7 (7 b), when the pushing cylinder 3 drives the bracket 21 to move rightward, the driving bracket 21 drives the infrared detection device 22 to move rightward, the connecting frame 81 drives the left toothed plate 83 to act with the unidirectional gear in the left adjusting support member 7 through the left driving arm 82, wherein when the toothed plate 83 is provided with a part of the tooth surface to move for half a stroke, the unidirectional gear drives the driving rod 711 to rotate, so that the two supporting plates 712 move to the farthest distance along the reciprocating screw surfaces at the two ends of the driving rod 711, and the bearing plate 72 rotates downward for ninety degrees;
Referring to fig. 4c and 7d, when the tooth surfaces of the left toothed plate 83 are all engaged with the corresponding unidirectional gears, the support plate 712 moves along the opposite sides of the reciprocating screw of the driving rod 711, so that the two support plates 712 move to the nearest position, and the two bearing plates 72 rotate ninety degrees upwards to be flush with the table surface of the detection table 1; at this time, the first push plate 5 pushes the part to be tested, so that the part smaller than half of the part to be tested is located above the left detection cavity 101, and therefore the part to be tested cannot be inclined into the left detection cavity 101 when the bearing plate 72 is not rotated to be flush with the detection table 1.
When the right toothed plate 83 moves to the right to act with the unidirectional gear located on the right, the driving rod 711 correspondingly connected is not driven to rotate by the unidirectional gear.
Similarly, when the pushing cylinder 3 pushes the detecting device 2 to move to the left, the toothed plate 83 located on the right acts with the unidirectional gear located on the right to sequentially drive the two bearing plates 72 in the left detecting cavity 101 to rotate downwards, so that the tested piece on the bearing plate 72 moves out of the detecting cavity 101, then rotates upwards to be flush with the detecting table 1, and is used for bearing the piece to be detected pushed out by the second push plate 6, and at the moment, when the toothed plate 83 located on the left acts with the unidirectional gear located on the left, the driving rod 711 correspondingly connected with the toothed plate 83 is not driven to rotate.
Therefore, the angle of the bearing plate 72 can be adjusted simultaneously by utilizing the power of the push cylinder 3 for switching the position of the detection device 2, and equipment such as a motor and the like is not required to be arranged.
The unidirectional gear comprises a unidirectional bearing and a gear, the inner ring of the unidirectional bearing is arranged on the corresponding driving rod 711, and the gear is arranged on the outer ring of the unidirectional bearing.
Wherein, the two unidirectional bearings drive the corresponding connected driving rods 711 to rotate in opposite directions;
The driving lever 711 is provided at both ends with reciprocating screw surfaces so that both ends form respective reciprocating screw rods, and when the driving lever 711 rotates in one direction, the supporting plates 712 at both ends can reciprocate along the reciprocating screw surfaces.
One end of the support plate 712 is provided with a threaded connection member which is screwed with the reciprocating threaded surface of the driving rod 711, and in this embodiment, the threaded connection member may be an internal threaded pipe or a threaded member such as a nut.
The two toothed plates 83 have tooth surfaces for one end and no tooth surfaces for the other end.
Referring to fig. 3, the power module 9 includes a sliding arm 91, a mounting block 92, a power plug 93 and a pushing member 94, wherein the sliding arm 91 is mounted on the detection table 1 and is disposed adjacent to the detection cavity 101, the mounting block 92 is sleeved on the sliding arm 91, the power plug 93 is mounted on the mounting block 92, and the pushing member 94 is configured to push the mounting block 92 toward the direction of the detection cavity 101.
In this embodiment, the power module 9 includes two power connectors 112, which are disposed corresponding to the two detecting cavities 101, and the pushing member 94 can push the mounting block 92 correspondingly when the detecting device 2 detects the workpiece to be detected, so as to drive two power connection terminals in the power plug 93 to be inserted into the power connector 112 on the circuit board 11 and electrically connected with the terminals on the circuit board 11, and supply power to the circuit board 11;
The power plug 93 is connected with a power supply through a power line; in the application, the power module 9 supplies power to the circuit board 11 for 1-5 minutes each time, and the power-on voltage is 1v-6v.
In one embodiment, the push member 94 is an air cylinder or a hydraulic cylinder;
Referring to fig. 3, in another embodiment, the pushing member 94 includes a pushing block 941 and a driving block 942, one end of the pushing block 941 is mounted on the support 21, two sides of the other end of the pushing block 941 are both provided with arc surfaces and face the detection cavity 101, the driving block 942 is mounted on the mounting block 92, the power module 9 further includes an elastic member 95, and the elastic member 95 is sleeved on the sliding arm 91 and is located between the mounting block 92 and the detection table 1.
Referring to fig. 8 (8 a) to 8 (8 b), when the detection of the left part to be detected is completed, the push cylinder 3 drives the detection device 2 to move to the right side to detect the right part to be detected, the push block 941 is separated from the driving block 942 on the left mounting block 92, and the elastic member 95 pushes the mounting block 92 to move to one side of the detection device 2, so that the power plug 93 is separated from the power connector 112 on the circuit board 11; before the power plug 93 is separated from the power connector 112 on the circuit board 11, the two support plates 712 in the corresponding left side cavities start to move to the opposite sides, but still are in a state of supporting the carrier plate 72, and do not move to enable the carrier plate 72 to start to rotate downwards;
When the pushing block 941 moves to act with the driving block 942 in the right power module 9, the inclined surface of the pushing block 941 extrudes the driving block 942, and the driving block 942 moves towards the direction of the detection cavity 101, so that the mounting block 92 drives the power plug 93 to be inserted into the power connector 112 on the corresponding circuit board 11, and meanwhile, the mounting block 92 extrudes the elastic piece 95 on the corresponding sliding arm 91;
Similarly, when the detection of the right part to be detected is completed, the push cylinder 3 drives the detection device 2 to move towards the left side to detect the left part to be detected, the push block 941 is separated from the driving block 942 on the right side, and the power module 9 is separated from the detected part to be detected by the action of the elastic member 95, and the subsequent push block 941 extrudes the left driving block 942 to enable the power plug 93 in the left power module 9 to be inserted into the power connector 112 in the corresponding part to be detected. No additional driving devices such as an air cylinder or a hydraulic cylinder are required.
The push block 941 is preferably mounted on the slider 211; the number of sliders 91 in each power module 9 is preferably two.
Referring to fig. 3, the detecting table 1 is provided with a straight limiting member 104 and an angular limiting member 105 on both sides of the detecting cavity 101.
Through setting up straight locating part 104 and angular limiting part 105, when first push pedal 5 and second push pedal 6 remove the piece that awaits measuring of corresponding lower in the material loading frame 4 to correspond on the loading board 72 in the detection chamber 101, can carry out the spacing to the removal orbit of piece that awaits measuring, make it can follow straight locating part 104 and remove on the loading board 72 to it supports the spacing through angular limiting part 105, makes its both ends just be located two loading boards 72, and infrared detection device 22 hangs and establishes in the center top of awaiting measuring this moment.
Referring to fig. 1, the infrared imaging-based identification test apparatus further includes a carrier 10, where the carrier 10 is disposed below the detection cavity 101.
Through setting up carrier 10, when the piece that awaits measuring detects and accomplishes, drive arrangement 71 drive loading board 72 rotates downwards, and the piece that awaits measuring of accomplishing of test moves down along loading board 72 to on carrier 10 to can bear the weight of the collection to the piece that awaits measuring of accomplishing of detecting.
In a preferred embodiment, the carrier 10 is a conveyor.
By setting the carrier 10 as a conveying device, after the detected part to be detected falls on the conveying device along the carrier plate 72, the conveying device conveys the carrier 10 after the detection is completed to move to the next station;
referring to fig. 1, a disassembling station 20 is provided on the conveying device, and according to the test result, the tested components marked as failed are removed from the circuit board 11 in advance.
The conveyor is a belt conveyor, or a roller conveyor or the like may be used.
Referring to fig. 1 and 3, in an embodiment, the feeding frame 4 is composed of four L-shaped members, and a discharging gap 41 is formed at the bottom of two L-shaped members near one side of the detecting cavity 101.
In another embodiment, the feeding rack 4 may be a box with an open top, and the bottom of the box facing the detection cavity 101 side is provided with the discharging gap 41.
The pushing cylinder 3 adopts an air cylinder or a hydraulic cylinder or an electric telescopic cylinder.
The working principle of the infrared imaging-based identification test equipment provided by the invention is as follows:
Stacking the to-be-tested pieces inside the two feeding frames 4, wherein the to-be-tested pieces are initially stacked on the second pushing plate 6 in the feeding frames 4 corresponding to the second pushing plate 6, and one to-be-tested piece is correspondingly placed on the bearing plate 72 and positioned on the two detection cavities 101;
In detection, referring to fig. 4 (4 a), the power module 9 is electrically connected to the power connector 112 on the circuit board 11 in the to-be-detected piece under the infrared detection device 22 to supply power to the circuit board 11, then the infrared detection device 22 collects the image of the to-be-detected element 12 in the to-be-detected piece for 1-3 minutes, and after the collection is completed, the collected image is transmitted to the background for analysis;
when the detection of the to-be-detected piece is completed, the driving device 71 drives the bearing plate 72 to be opened, and the tested piece is moved out of the detection cavity 101;
Referring to fig. 4 (4 c), the push cylinder 3 pulls the detection device 2 toward the second push plate 6 to suspend the infrared detection apparatus 22 above another workpiece to be detected;
Meanwhile, the bracket 21 in the detection device 2 drives the connecting frame 81 to move along with the connecting frame, and the connecting frame 81 drives the first push plate 5 through the left driving arm 82 to push the lowest part to be detected of the left feeding frame 4 to the bearing plate 72 in the left detection cavity 101; the connecting frame 81 drives the second push plate 6 to move out of the feeding frame 4 on the right through the driving arm 82 on the right, and at the moment, the to-be-detected pieces stacked in the feeding frame 4 drop onto the detection table 1.
Referring to fig. 4b, fig. 7a and fig. 7b, in which the connecting frame 81 drives the left toothed plate 83 to act with the unidirectional gear in the left adjusting support member 7 through the left driving arm 82, wherein when the toothed plate 83 is provided with a tooth surface for half a stroke, the unidirectional gear drives the driving rod 711 to rotate, so that the two supporting plates 712 move to the farthest distance along the reciprocating thread surfaces at the two ends of the driving rod 711, at this time, the supporting plate 72 rotates ninety degrees downwards, the tested test piece moves out of the detecting cavity 101 and falls onto the supporting member 10 along the supporting plate 72;
Referring to fig. 4c and 7d, when the tooth surfaces of the left toothed plate 83 are all engaged with the corresponding one-way gears, the support plates 712 move along the opposite sides of the reciprocating screw thread of the drive, and the two support plates 712 move to the nearest distance, so that the two bearing plates 72 rotate ninety degrees upwards to be flush with the table surface of the detection table 1; at this time, the first push plate 5 pushes the part to be tested, so that the part smaller than half of the part to be tested is located above the left detection cavity 101, and therefore the part to be tested cannot be inclined into the left detection cavity 101 when the bearing plate 72 is not rotated to be flush with the detection table 1. The pushing cylinder 3 continues to pull the detecting device 2, so that the infrared detecting equipment 22 is suspended on the left part to be detected, and meanwhile, the first pushing plate 5 pushes a new part to be detected to move onto the bearing plate 72 in the left detecting cavity 101.
When the test of the right part to be tested is finished again, the push cylinder 3 pushes the detection device 2 towards the direction of the first push plate 5, so that the infrared detection equipment 22 is suspended above the left part to be tested, at the moment, the transmission device 8 drives the first push plate 5 to move leftwards and move out of the left feeding frame 4, the stacked part to be tested falls onto the detection table 1, the second push plate 6 pushes the lowest part to be tested in the right feeding frame 4 to move from the discharge gap 41 to the detection cavity 101 on the right side, and detection is waited;
In this process, the toothed plate 83 located on the right side acts on the unidirectional gear located on the right side to sequentially drive the two bearing plates 72 in the left detection cavity 101 to rotate downwards, so that the test piece on the bearing plate 72 for completing the test moves out of the detection cavity 101 onto the bearing piece 10, then the toothed plate 83 acts on the unidirectional gear located on the right side to drive the two bearing plates 72 to rotate upwards to be flush with the detection table 1 for bearing the piece to be detected pushed out by the second push plate 6, and at this time, the toothed plate 83 located on the left side does not drive the driving rod 711 correspondingly connected to rotate when acting on the unidirectional gear located on the left side.
And repeating the operation until the detection is completed.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (10)
1. An infrared imaging-based identification test apparatus, comprising: the detection platform is provided with two detection cavities in a penetrating way;
the detection device comprises a bracket and infrared detection equipment, the bracket is slidably arranged on the detection table, and the infrared detection equipment is arranged on the bracket and is suspended above a detection cavity;
the pushing cylinder is arranged on the detection table, and the output end of the pushing cylinder is connected with the bracket;
The two feeding frames are arranged on the detection table and are correspondingly positioned at one side of the two detection cavities, a discharging gap is formed in the bottom of one side of the feeding frame, facing the detection cavities, and one to-be-detected piece is allowed to pass through the discharging gap;
The first pushing plate is arranged on one side, far away from the detection cavity, of one feeding frame, and the second pushing plate is arranged in the other feeding frame;
The transmission device is used for connecting the first push plate, the bracket and the second push plate;
The two adjusting support pieces are arranged in one-to-one correspondence with the two detection cavities, each adjusting support piece comprises a driving device and two bearing plates, the two bearing plates are rotatably arranged on two sides of the inside of the detection cavity, and the driving device is used for adjusting the angles of the two bearing plates;
And the power supply module is used for supplying power to the to-be-detected piece.
2. The infrared imaging-based identification test device according to claim 1, wherein the transmission device comprises a connecting frame and two driving arms, the top end of the connecting frame penetrates through the detection table through a first strip-shaped hole and then is connected with the support, one ends of the two driving arms are respectively connected to two ends of the connecting frame, and the other ends of the two driving arms penetrate through the detection table through a second strip-shaped hole and are correspondingly connected with the first pushing plate and the second pushing plate.
3. The infrared imaging-based identification test apparatus of claim 1, wherein opposite sides of the first push plate and the second push plate are each provided as a bevel.
4. The infrared imaging-based identification test device according to claim 2, wherein the driving device comprises a driving rod, a rotating device, two supporting plates and two sliding shafts, the driving rod is rotatably installed on the detection table and penetrates through the detection cavity, threaded surfaces are arranged at two ends of the driving rod, one ends of the two supporting plates are respectively in threaded connection with two ends of the driving rod, one ends of the two sliding shafts are respectively installed at the other ends of the two supporting plates, the other ends of the sliding shafts penetrate through the detection table, the rotating device is used for driving the driving rod to rotate, the bearing plate is located between the driving rod and the sliding shafts, and the supporting plates are used for supporting the bottom of the bearing plate.
5. The infrared imaging-based identification test apparatus of claim 4, wherein the rotating device is a one-way gear mounted at one end of the driving rod; the two ends of the driving rod are provided with reciprocating thread surfaces, the transmission device further comprises two toothed plates, and one ends of the two toothed plates are respectively arranged on the two driving arms; when the pushing cylinder drives the support to move horizontally, the connecting frame moves along with the support, the connecting frame drives the toothed plates to move horizontally through the driving arm, and the two toothed plates are meshed with the corresponding unidirectional gears.
6. The infrared imaging-based identification test apparatus of claim 1, wherein the power module comprises a slider, a mounting block, a power plug, and a pushing member, the slider is mounted on the inspection table and disposed adjacent to the inspection cavity, the mounting block is sleeved on the slider, the power plug is mounted on the mounting block, and the pushing member is configured to push the mounting block in a direction toward the inspection cavity.
7. The infrared imaging-based identification test device of claim 6, wherein the pushing member comprises a pushing block and a driving block, one end of the pushing block is installed on the support, two sides of the other end of the pushing block are both arc surfaces and face the detection cavity, the driving block is installed on the installation block, the power module further comprises an elastic member, and the elastic member is sleeved on the sliding arm and is located between the installation block and the detection platform.
8. The infrared imaging-based identification test device of claim 1, wherein straight limiting pieces and angular limiting pieces are arranged on the detection table and located on two sides of the detection cavity.
9. The infrared imaging-based identification test apparatus of claim 1, further comprising a carrier disposed below the detection chamber.
10. The infrared imaging based identification test apparatus of claim 9, wherein the carrier is a conveyor.
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