PCBA board automatic detection device
By designing a shading system with protective plates and threaded rods in the PCBA board detection device, the scan screen is easily contaminated with dust and bumps, reducing detection errors, and improving protection through rubber strips, sliders and bearings, etc. Performance and stability.
Patent Information
- Application Number
- CN202420620882.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-28
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-03-28
AI Technical Summary
The scanning screen of the PCBA board detection device is easily contaminated with dust and easily bumped with debris, resulting in an impact on the imaging function and an increase in detection error.
An automated detection device including two protective plates is designed. The protective plate is driven to move on the top of the chassis through the first threaded rod and the second threaded rod to form a shielding layer to prevent contact between dust and debris, and at the same time, a rubber strip and a slider are used. and bearings improve protection performance and enhance the stability of the device through cross plates and latches.
Effectively prevent the impact of dust and debris on the scanning screen, reduce detection errors, and improve the stability and protective performance of the device through optimized design.
Smart Images
Figure CN222259506U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of PCBA board detection devices, in particular to an automatic detection device for PCBA boards. Background Art
[0002] The PCBA board detection device can test various PCBAs, and the detection principle is user-friendly. By collecting the parameters of the sample, setting the error range, comparing it with the tested board and judging whether it is qualified, it is easy to operate and has high detection efficiency. It is widely used in major PCBA board manufacturers.
[0003] The scanning screen of the PCBA board detection device is in direct contact with the outside world and faces vertically upward, which makes it easy for the scanning screen to be contaminated with dust and easily collide with debris, which may scratch the scanning screen. This will affect the imaging function of the scanning screen to a certain extent and increase the detection error. Utility Model Content
[0004] The utility model proposes a PCBA board automatic detection device to solve the problem that the scanning screen is easily contaminated with dust and easily collides with debris, which may scratch the scanning screen, which will affect the imaging function of the scanning screen to a certain extent and increase the detection error.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a PCBA board automatic detection device, comprising a chassis, a scanning screen is arranged in the middle of the top of the chassis, a protective device is arranged on the top of the scanning screen, the protective device comprises two protective plates, the two protective plates are symmetrically arranged on the top of the scanning screen, the bottom of the protective plates is fitted with the top of the box body, the two protective plates are fixedly connected to the adjacent sides with screw hole blocks, the inner walls of the two screw hole blocks are respectively threaded with a first threaded rod and a second threaded rod, the adjacent ends of the first threaded rod and the second threaded rod are fixedly connected, the threads of the first threaded rod and the second threaded rod are the same in size and opposite in direction, the outer surfaces of the first threaded rod and the second threaded rod are both provided with connecting blocks, the bottoms of the two connecting blocks are symmetrically fixedly connected to the top of the chassis, a display screen is fixedly connected to one side of the top of the chassis, four rollers are arranged at the bottom of the chassis, and a positioning device is arranged in the middle of the bottom of the chassis.
[0006] The effect achieved by the above components is: by setting two protective plates, under the action of the first threaded rod and the second threaded rod, the first threaded rod and the second threaded rod are rotated, which can respectively drive a protective plate connected to the screw hole block to move toward each other on the top of the chassis. When the two protective plates are closed to each other, the display screen can be shielded, thereby effectively preventing dust and debris from bumping into it, ensuring the imaging function of the scanning screen and reducing detection errors.
[0007] Preferably, a sliding block is fixedly connected to the bottom of the screw hole block, a sliding groove is opened on one side of the top of the chassis, and the outer surfaces of the two sliding blocks are slidably connected to the inner wall of the sliding groove.
[0008] The effect achieved by the above components is: by setting the slider and the slide groove, when the protective plate moves on the top of the chassis, the protective plate will drive the slider to slide synchronously on the inner wall of the slide groove, thereby limiting the protective plate.
[0009] Preferably, a rubber strip is provided on one side of the two protective plates that are close to each other, and one side of the rubber strip is fixedly connected to one side of the protective plate.
[0010] The effect achieved by the above components is: by arranging the rubber strip, the gap between the two protective plates can be auxiliary sealed when the two protective plates are closed to each other, which is beneficial to improving the protective performance of the protective plates.
[0011] Preferably, bearings are fixedly connected to the outer surfaces of the first threaded rod and the second threaded rod, and the outer surfaces of the bearings are fixedly connected to the inner wall of the connecting block.
[0012] The effect achieved by the above components is that by setting the bearing, the friction between the first threaded rod and the second threaded rod and the connecting block when rotating can be reduced, thereby making it more labor-saving when rotating the first threaded rod and the second threaded rod.
[0013] Preferably, the ends of the first threaded rod and the second threaded rod that are away from each other are both fixedly connected to an operating block, and a protrusion is provided on the outer surface of the operating block.
[0014] The effect achieved by the above-mentioned components is: by setting the operating block, rotating the operating block can drive the first threaded rod and the second threaded rod to rotate, and at the same time, the outer surface of the operating block is provided with a protrusion, which can effectively increase the friction force of the outer surface of the operating block, and has an anti-slip effect when rotating the operating block, thereby facilitating the rotation of the first threaded rod and the second threaded rod through the operating block.
[0015] Preferably, the positioning device includes a cross-shaped plate, which is arranged at the bottom of the chassis, and round rods are symmetrically fixedly connected to both sides of the cross-shaped plate, and round hole blocks are slidably connected to the outer surfaces of the round rods, and one side of the two round hole blocks is symmetrically fixedly connected to the two sides of the chassis.
[0016] The effect achieved by the above-mentioned components is: by setting a cross-shaped plate, pushing the cross-shaped plate, and driving the round rod to slide on the inner wall of the circular hole block until the bottom of the cross-shaped plate abuts against the ground, the friction force and support area between the detection device and the ground can be increased, thereby making the detection device less likely to shift and tip over.
[0017] Preferably, two insertion holes are provided on the outer surface of the round rod, and the same plug pin is inserted into the inner wall of the round hole block and one of the insertion holes.
[0018] The effect achieved by the above components is: by setting a pin and inserting the pin into the inner wall of the circular hole block and the corresponding socket, the round rod and the circular hole block can be fixed, and then the cross-shaped plate can be fixed. At the same time, when the pin is inserted into the top socket, the cross-shaped plate abuts against the ground, and when the pin is inserted into the bottom socket, the cross-shaped plate is away from the ground, which is convenient for pushing the detection device.
[0019] Preferably, one end of the latch is fixedly connected to an elastic rope, and one end of the elastic rope is fixedly connected to the outer surface of the chassis.
[0020] The effect achieved by the above components is that the bolt and the chassis are connected by arranging an elastic rope, which is helpful to prevent the bolt from being easily lost after being separated from the round hole block and the socket.
[0021] Compared with the prior art, the advantages and positive effects of the utility model are:
[0022] In the utility model, by setting two protective plates, under the action of the first threaded rod and the second threaded rod, the first threaded rod and the second threaded rod can respectively drive a protective plate connected to the screw hole block to move toward each other on the top of the chassis. When the two protective plates are closed to each other, the display screen can be shielded, thereby effectively preventing dust and debris from knocking against it, ensuring the imaging function of the scanning screen and reducing detection errors. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a three-dimensional structural schematic diagram of the main body of the utility model;
[0024] Figure 2 It is a three-dimensional structural schematic diagram of the protective plate of the utility model;
[0025] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure at point A;
[0026] Figure 4 For this utility model Figure 2 Schematic diagram of the enlarged structure at B.
[0027] Legend: 1. Chassis; 2. Scanning screen; 3. Protective device; 31. Protective plate; 32. Screw hole block; 33. First threaded rod; 34. Second threaded rod; 35. Connecting block; 36. Slider; 37. Slide groove; 38. Rubber strip; 39. Bearing; 310. Operating block; 4. Display screen; 5. Roller; 6. Positioning device; 61. Cross-shaped plate; 62. Round rod; 63. Round hole block; 64. Socket; 65. Pin; 66. Elastic rope. DETAILED DESCRIPTION
[0028] Example 1, reference Figure 1-Figure 3 As shown, the present embodiment discloses a PCBA board automatic detection device, including a chassis 1, a scanning screen 2 is arranged in the middle of the top of the chassis 1, a protective device 3 is arranged on the top of the scanning screen 2, the protective device 3 includes two protective plates 31, the two protective plates 31 are symmetrically arranged on the top of the scanning screen 2, the bottom of the protective plates 31 is in contact with the top of the box body, the two protective plates 31 are fixedly connected with a screw hole block 32 on the adjacent side, the inner walls of the two screw hole blocks 32 are respectively threadedly connected with a first threaded rod 33 and a second threaded rod 34, the adjacent ends of the first threaded rod 33 and the second threaded rod 34 are fixedly connected, the threads of the first threaded rod 33 and the second threaded rod 34 are the same in size and opposite in direction, and the first threaded rod 33 and the second threaded rod 34 are fixedly connected. The outer surface of the rod 34 is provided with a connecting block 35, the bottom of the two connecting blocks 35 is symmetrically fixedly connected to the top of the chassis 1, a display screen 4 is fixedly connected to one side of the top of the chassis 1, four rollers 5 are provided at the bottom of the chassis 1, and a positioning device 6 is provided in the middle of the bottom of the chassis 1. By setting two protective plates 31, under the action of the first threaded rod 33 and the second threaded rod 34, the first threaded rod 33 and the second threaded rod 34 are rotated, which can respectively drive a protective plate 31 connected to the screw hole block 32 to move toward each other on the top of the chassis 1. When the two protective plates 31 are closed to each other, the display screen 4 can be shielded, thereby effectively preventing dust and debris from bumping, ensuring the imaging function of the scanning screen 2, and reducing detection errors.
[0029] Reference Figure 2 and Figure 3 As shown, a slider 36 is fixedly connected to the bottom of the screw hole block 32, and a slide groove 37 is opened on one side of the top of the chassis 1. The outer surfaces of the two sliders 36 are slidably connected to the inner wall of the slide groove 37. By setting the slider 36 and the slide groove 37, when the protective plate 31 moves on the top of the chassis 1, the screw hole block 32 will drive the slider 36 to slide synchronously on the inner wall of the slide groove 37, thereby limiting the protective plate 31; a rubber strip 38 is provided on the side where the two protective plates 31 are close to each other, and one side of the rubber strip 38 is fixedly connected to one side of the protective plate 31. By setting the rubber strip 38, the gap between the two protective plates 31 can be auxiliary sealed when the two protective plates 31 are closed to each other, which is beneficial to improve the protective performance of the protective plate 31.
[0030] Reference Figure 2 and Figure 3 As shown, the outer surfaces of the first threaded rod 33 and the second threaded rod 34 are fixedly connected with bearings 39, and the outer surfaces of the bearings 39 are fixedly connected with the inner wall of the connecting block 35. By providing the bearings 39, the friction between the first threaded rod 33 and the second threaded rod 34 and the connecting block 35 can be reduced when rotating, thereby making it easier to rotate the first threaded rod 33 and the second threaded rod 34; the ends of the first threaded rod 33 and the second threaded rod 34 that are away from each other are fixedly connected with an operating block 310, and a protrusion is provided on the outer surface of the operating block 310. By providing the operating block 310, rotating the operating block 310 can drive the first threaded rod 33 and the second threaded rod 34 to rotate. At the same time, the outer surface of the operating block 310 is provided with a protrusion, which can effectively increase the friction of the outer surface of the operating block 310, and has an anti-slip effect when rotating the operating block 310, thereby facilitating the rotation of the first threaded rod 33 and the second threaded rod 34 through the operating block 310.
[0031] Reference Figure 2 and Figure 4 As shown, the positioning device 6 includes a cross-shaped plate 61, which is arranged at the bottom of the chassis 1, and round rods 62 are symmetrically fixedly connected to the two sides of the cross-shaped plate 61. The outer surface of the round rod 62 is slidably connected to the round hole block 63, and one side of the two round hole blocks 63 is symmetrically fixedly connected to the two sides of the chassis 1. By setting the cross-shaped plate 61, the cross-shaped plate 61 is pushed to drive the round rod 62 to slide on the inner wall of the round hole block 63 until the bottom of the cross-shaped plate 61 abuts against the ground, thereby increasing the friction and support area between the detection device and the ground, thereby making it less likely for the detection device to shift and tip over.
[0032] Reference Figure 2 and Figure 4 As shown, the outer surface of the round rod 62 is provided with two insertion holes 64, and the inner wall of the circular hole block 63 and one of the insertion holes 64 is provided with the same latch 65. By providing the latch 65, the latch 65 is inserted into the circular hole block 63 and the inner wall of the corresponding insertion hole 64, so that the round rod 62 and the circular hole block 63 can be fixed, and then the cross-shaped plate 61 can be fixed. At the same time, when the latch 65 is inserted into the top insertion hole 64, the cross-shaped plate 61 abuts against the ground, and when the latch 65 is inserted into the bottom insertion hole 64, the cross-shaped plate 61 is away from the ground, which is convenient for pushing the detection device; one end of the latch 65 is fixedly connected to an elastic rope 66, and one end of the elastic rope 66 is fixedly connected to the outer surface of the chassis 1. By providing the elastic rope 66, the latch 65 and the chassis 1 are connected, which is conducive to preventing the latch 65 from being easily lost after being separated from the circular hole block 63 and the insertion hole 64.
[0033] Working principle: When the scanning screen 2 needs to be protected, the rotating operation block 310 drives the first threaded rod 33 and the second threaded rod 34 to rotate. The first threaded rod 33 and the second threaded rod 34 can respectively drive a protective plate 31 connected to the screw hole block 32 to move toward each other on the top of the chassis 1. The screw hole block 32 will drive the slider 36 to slide synchronously on the inner wall of the slide groove 37, which plays a role in limiting the protective plate 31. When the rubber strips 38 on one side of the two protective plates 31 abut against each other, the display screen 4 can be shielded, thereby It can effectively prevent dust and debris from knocking against it. When positioning is required during detection, the cross-shaped plate 61 is pushed to drive the round rod 62 to slide on the inner wall of the circular hole block 63 until the bottom of the cross-shaped plate 61 abuts against the ground, and then the pin 65 is inserted into the inner wall of the circular hole block 63 and the corresponding socket 64 to fix the round rod 62 and the circular hole block 63, and then fix the cross-shaped plate 61, which can increase the friction and support area between the detection device and the ground, thereby making it less likely for the detection device to shift and tip over.
Claims
1. A PCBA board automatic detection device, comprising a chassis (1), characterized in that: A scanning screen (2) is arranged in the middle of the top of the case (1), and a protective device (3) is arranged on the top of the scanning screen (2). The protective device (3) comprises two protective plates (31), and the two protective plates (31) are symmetrically arranged on the top of the scanning screen (2). The bottom of the protective plates (31) is in contact with the top of the case, and the two protective plates (31) are fixedly connected with a screw hole block (32) on the adjacent sides. The inner walls of the two screw hole blocks (32) are respectively threadedly connected with a first threaded rod (33) and a second threaded rod (34). The first threaded rod ( The first threaded rod (33) and the second threaded rod (34) are fixedly connected at one end thereof close to each other, the threads of the first threaded rod (33) and the second threaded rod (34) are of the same size and opposite direction, the outer surfaces of the first threaded rod (33) and the second threaded rod (34) are both provided with connecting blocks (35), the bottoms of the two connecting blocks (35) are symmetrically fixedly connected to the top of the chassis (1), one side of the top of the chassis (1) is fixedly connected with a display screen (4), the bottom of the chassis (1) is provided with four rollers (5), and the middle of the bottom of the chassis (1) is provided with a positioning device (6).
2. The PCBA board automatic detection device according to claim 1, characterized in that: A slider (36) is fixedly connected to the bottom of the screw hole block (32), a slide groove (37) is provided on one side of the top of the chassis (1), and the outer surfaces of the two sliders (36) are slidably connected to the inner wall of the slide groove (37).
3. The PCBA board automatic detection device according to claim 1, characterized in that: A rubber strip (38) is provided on one side of the two protective plates (31) that are close to each other, and one side of the rubber strip (38) is fixedly connected to one side of the protective plate (31).
4. The PCBA board automatic detection device according to claim 1, characterized in that: The outer surfaces of the first threaded rod (33) and the second threaded rod (34) are both fixedly connected to bearings (39), and the outer surfaces of the bearings (39) are fixedly connected to the inner wall of the connecting block (35).
5. The PCBA board automatic detection device according to claim 1, characterized in that: The ends of the first threaded rod (33) and the second threaded rod (34) that are away from each other are both fixedly connected to an operating block (310), and a protrusion is provided on the outer surface of the operating block (310).
6. The PCBA board automatic detection device according to claim 1, characterized in that: The positioning device (6) comprises a cross-shaped plate (61), the cross-shaped plate (61) being arranged at the bottom of the chassis (1), round rods (62) being symmetrically fixedly connected to the two sides of the cross-shaped plate (61), round hole blocks (63) being slidably connected to the outer surfaces of the round rods (62), and one side of the two round hole blocks (63) being symmetrically fixedly connected to the two sides of the chassis (1).
7. The PCBA board automatic detection device according to claim 6, characterized in that: The outer surface of the round rod (62) is provided with two insertion holes (64), and the inner wall of the round hole block (63) and one of the insertion holes (64) is provided with a same plug pin (65).
8. The PCBA board automatic detection device according to claim 7, characterized in that: One end of the latch (65) is fixedly connected to an elastic rope (66), and one end of the elastic rope (66) is fixedly connected to the outer surface of the chassis (1).