Circuit board hole site detection device
By using a combination of L-shaped plate, screw and nut in the circuit board detection device, and combined with the design of auxiliary devices, the problem of detection offset caused by the circuit board sliding is solved, and more accurate hole position detection and circuitry are achieved Protection of the board.
Patent Information
- Application Number
- CN202420889894.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-04-26
AI Technical Summary
The existing circuit board hole position detection device is prone to position deviation due to the sliding of the circuit board during the detection process, which affects the accuracy of the detection results.
A detection device including a workbench and auxiliary device is designed to fix the circuit board through a combination of L-shaped plate, screw and nut, and combine the circular holes, insert rods and elastic ropes in the auxiliary device to ensure the stable fixation of the circuit board and avoid the slide.
It effectively prevents the circuit board from sliding during the detection process, improves the accuracy of the detection results, and protects the safety of the circuit board and the detection device through protective measures.
Smart Images

Figure CN222222532U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of circuit board hole position detection, in particular to a circuit board hole position detection device. Background Art
[0002] During the production process of circuit boards, defects such as missing holes, insufficient hole depth, and displacement of holes may occur. Since circuit boards are mass-produced by automated machines, as long as one of the above defects occurs, subsequent circuit boards will also have the same defects. In order to ensure the quality of the circuit boards, a detection device is required to detect the hole positions of the circuit boards.
[0003] In the prior art, when inspecting the hole positions of a circuit board, the circuit board needs to be placed on a workbench, photographed by a detector, and inspected by a system comparison. However, the circuit board is prone to slipping during work, and the position of the circuit board may shift slightly, thereby affecting the inspection result of the circuit board. Utility Model Content
[0004] The utility model is a circuit board hole position detection device proposed to solve the shortcomings in the prior art.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a circuit board hole position detection device, comprising a workbench and an auxiliary device, the upper surface of the workbench is fixedly connected with a detector by means of a bracket, the upper surface of the workbench is fixedly connected with a display screen, the upper surface of the workbench is provided with a fixing device by means of the auxiliary device, the fixing device comprises two bases, the two bases are fixedly connected to the upper surface of the workbench by means of the auxiliary device, the cross-section of the base is "L"-shaped, the vertical end of the base is rotatably connected with an L-shaped plate, the lateral end of the base is rotatably connected with a screw, the L-shaped plate is provided with a limiting groove corresponding to the screw, the screw passes through the limiting groove of the L-shaped plate, the arc surface of the screw is threadedly connected with a nut, and the size of the nut is larger than the size of the limiting groove.
[0006] The effect achieved by the above components is: when it is necessary to detect the hole position of the circuit board, first place the circuit board on the upper surfaces of the two bases, then rotate the L-shaped plate, one end of the L-shaped plate is against the circuit board, and at the same time, rotate the nut, the nut moves on the screw, and finally the nut squeezes the surface of the L-shaped plate, thereby achieving the effect of fixing the L-shaped plate and the circuit board. After that, the detector detects the circuit board, and the detection result is displayed on the display screen. The fixing device achieves the effect of fixing the circuit board, thereby preventing the circuit board from sliding when the detector detects the circuit board, thereby causing deviations in the detection of the hole position of the circuit board.
[0007] Preferably, one end of the screw is fixedly connected to a baffle, and the size of the baffle is larger than the size of the screw.
[0008] The effect achieved by the above components is: by setting the baffle, the maximum displacement of the nut is limited, thereby preventing the nut from detaching from the screw.
[0009] Preferably, the arc surface of the screw rod is sleeved with a gasket, the gasket is a rubber sheet, and the gasket is located between the L-shaped plate and the nut.
[0010] The effect achieved by the above components is: by arranging the gasket, the nut and the L-shaped plate are protected, thereby preventing the nut from squeezing the L-shaped plate and causing damage.
[0011] Preferably, two mutually symmetrical handles are fixedly connected to the arc surface of the nut, and the surfaces of the two handles are provided with anti-slip grooves.
[0012] The effect achieved by the above components is: by setting the handle, it is convenient for the staff to turn the nut, which brings convenience to the staff.
[0013] Preferably, the auxiliary device is arranged on the upper surface of the workbench, and the auxiliary device includes a plurality of circular holes, and the plurality of circular holes are evenly opened on the upper surface of the workbench, and the plurality of circular holes are linearly distributed. A fixing plate is fixedly connected to one side of the base, and an insertion rod is slidably provided on the surface of the fixing plate, and the size of the insertion rod is adapted to the size of the circular hole.
[0014] The effect achieved by the above components is: when the base needs to be fixed, first move the base to a suitable place, then move the insertion rod, and the insertion rod passes through the fixing plate and is inserted into the round hole of the workbench, thereby achieving the effect of fixing the base. Through the auxiliary device, it is convenient for the staff to adjust the positions of the two bases, thereby facilitating the base to fix circuit boards of different sizes, thereby improving the practicability of the detection device.
[0015] Preferably, one end of the insertion rod is fixedly connected to an elastic rope, and one end of the elastic rope is fixedly connected to a fixing plate.
[0016] The effect achieved by the above components is: by setting the elastic rope, the maximum displacement of the insertion rod is limited, thereby preventing the insertion rod from falling when not in use.
[0017] Preferably, a placement groove is provided on the upper surface of the workbench, and the two bases are located in the placement groove.
[0018] The effect achieved by the above components is that: by setting the placement groove, the bottom of the circuit board is suspended when the circuit board is fixed, thereby protecting the pins at the bottom of the circuit board and preventing the pins of the circuit board from being damaged.
[0019] Preferably, slide plates are fixedly connected to both sides of the base, and the workbench is fixedly connected to a slide groove by means of a placement groove, and the size of the slide groove is adapted to the size of the slide plate.
[0020] The effect achieved by the above components is: by moving the slide plate of the base in the slide groove of the workbench, the moving direction of the base is restricted, thereby improving the stability of the base.
[0021] In summary, the beneficial effects of the utility model are:
[0022] When it is necessary to detect the hole position of the circuit board, the circuit board is first placed on the upper surfaces of the two bases, and then the L-shaped plate is rotated, one end of the L-shaped plate is against the circuit board, and the nut is rotated at the same time, the nut moves on the screw rod, and finally the nut squeezes the surface of the L-shaped plate, thereby achieving the effect of fixing the L-shaped plate and the circuit board. After that, the detector detects the circuit board, and the detection result is displayed on the display screen. The fixing device achieves the effect of fixing the circuit board, thereby preventing the circuit board from sliding when the detector detects the circuit board, thereby causing deviations in the circuit board hole position detection. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0024] Figure 2 It is a three-dimensional structural schematic diagram of the workbench of the utility model;
[0025] Figure 3 For this utility model Figure 2 A magnified image of point A;
[0026] Figure 4 It is a schematic diagram of the three-dimensional structure of the base of the utility model.
[0027] Legend: 1. Workbench; 2. Detector; 3. Display screen; 4. Fixing device; 41. Base; 42. L-shaped plate; 43. Screw; 44. Limiting groove; 45. Nut; 46. Gasket; 47. Handle; 48. Baffle; 5. Auxiliary device; 51. Placement groove; 52. Fixing plate; 53. Insert rod; 54. Round hole; 55. Elastic rope; 56. Slide plate; 57. Slide groove. DETAILED DESCRIPTION
[0028] Reference Figure 1-4 As shown, this embodiment discloses a circuit board hole position detection device, including a workbench 1 and an auxiliary device 5, a detector 2 is fixedly connected to the upper surface of the workbench 1 by means of a bracket, a display screen 3 is fixedly connected to the upper surface of the workbench 1, a fixing device 4 is provided on the upper surface of the workbench 1 by means of the auxiliary device 5, and the auxiliary device 5 is arranged on the upper surface of the workbench 1.
[0029] Reference Figure 1-4 As shown, the fixing device 4 includes two bases 41, and the two bases 41 are fixedly connected to the upper surface of the workbench 1 by means of an auxiliary device 5. The cross-section of the base 41 is "L"-shaped. The vertical end of the base 41 is rotatably connected to an L-shaped plate 42, and the lateral end of the base 41 is rotatably connected to a screw 43. A limiting groove 44 is provided on the L-shaped plate 42 corresponding to the screw 43. The screw 43 passes through the limiting groove 44 of the L-shaped plate 42. The arc surface of the screw 43 is threadedly connected to a nut 45, and the size of the nut 45 is larger than the size of the limiting groove 44. When it is necessary to detect the hole position of the circuit board, the circuit board is first placed on the upper surface of the two bases 41, and then the L-shaped plate 42 is rotated, one end of the L-shaped plate 42 is against the circuit board, and the nut 45 is rotated at the same time, and the nut 45 moves on the screw 43. Finally, the nut 45 squeezes the surface of the L-shaped plate 42, thereby achieving the effect of fixing the L-shaped plate 42 and the circuit board. Then the detector 2 detects the circuit board, and the detection result is displayed on the display screen 3. The fixing device 4 achieves the effect of fixing the circuit board, thereby preventing the circuit board from sliding when the detector 2 detects the circuit board, thereby causing deviations in the detection of the hole position of the circuit board.
[0030] Reference Figure 1-4 As shown, a baffle 48 is fixedly connected to one end of the screw 43, and the size of the baffle 48 is larger than that of the screw 43. By setting the baffle 48, the maximum displacement of the nut 45 is limited, and the nut 45 is prevented from detaching from the screw 43. The arc surface of the screw 43 is covered with a gasket 46, and the gasket 46 is a rubber sheet. The gasket 46 is located between the L-shaped plate 42 and the nut 45. By setting the gasket 46, the effect of protecting the nut 45 and the L-shaped plate 42 is achieved, and the nut 45 is prevented from squeezing the L-shaped plate 42 and causing damage. The arc surface of the nut 45 is fixedly connected with two symmetrical handles 47, and the surfaces of the two handles 47 are provided with anti-slip grooves. By setting the handle 47, the effect of facilitating the staff to rotate the nut 45 is achieved, which brings convenience to the staff.
[0031] Reference Figure 1-4 As shown, the auxiliary device 5 includes a plurality of circular holes 54, which are evenly opened on the upper surface of the workbench 1, and are linearly distributed. A fixing plate 52 is fixedly connected to one side of the base 41, and a plug rod 53 is slidably inserted on the surface of the fixing plate 52, and the size of the plug rod 53 matches the size of the circular hole 54. When the base 41 needs to be fixed, the base 41 is first moved to a suitable place, and then the plug rod 53 is moved, and the plug rod 53 passes through the fixing plate 52 and is inserted into the circular hole 54 of the workbench 1, so as to achieve the effect of fixing the base 41. The auxiliary device 5 achieves the effect of facilitating the staff to adjust the positions of the two bases 41, thereby facilitating the base 41 to fix circuit boards of different sizes, thereby improving the practicality of the detection device.
[0032] Reference Figure 1-4 As shown, one end of the insertion rod 53 is fixedly connected to an elastic rope 55, and one end of the elastic rope 55 is fixedly connected to the fixed plate 52. By setting the elastic rope 55, the maximum displacement of the insertion rod 53 is limited, so that the insertion rod 53 is prevented from falling when not in use. A placement groove 51 is provided on the upper surface of the workbench 1, and two bases 41 are located in the placement groove 51. By setting the placement groove 51, when the circuit board is fixed, the bottom of the circuit board is in a suspended state, and the pins at the bottom of the circuit board are protected to prevent the pins of the circuit board from being damaged. Slide plates 56 are fixedly connected to both sides of the base 41, and the workbench 1 is fixedly connected to a slide groove 57 by means of the placement groove 51, and the size of the slide groove 57 is adapted to the size of the slide plate 56. By the slide plate 56 of the base 41 moving in the slide groove 57 of the workbench 1, the moving direction of the base 41 is limited, and the stability of the base 41 is improved.
[0033] Working principle: When it is necessary to detect the hole position of the circuit board, first move the base 41, and the slide plate 56 of the base 41 moves in the slide groove 57 of the workbench 1, so as to limit the moving direction of the base 41 and improve the stability of the base 41. Move the two bases 41 to a suitable place, and then move the insertion rod 53. The insertion rod 53 passes through the fixing plate 52 and is inserted into the round hole 54 of the workbench 1, so as to fix the base 41. The auxiliary device 5 is used to facilitate the staff to adjust the position of the two bases 41, so as to facilitate the base 41 to fix circuit boards of different sizes, thereby improving the practicality of the detection device. The circuit board is placed on the upper surface of the two bases 41. Then, the L-shaped plate 42 is rotated, one end of the L-shaped plate 42 is against the circuit board, and the handle 47 is rotated at the same time. The handle 47 rotates with the nut 45, and finally the nut 45 squeezes the surface of the L-shaped plate 42 with the help of the gasket 46, thereby achieving the effect of fixing the L-shaped plate 42 and the circuit board. At this time, the bottom of the circuit board is suspended by placing the groove 51, and the pins at the bottom of the circuit board are protected to avoid damage to the pins of the circuit board. Then, the detector 2 detects the circuit board, and the detection result is displayed on the display screen 3. The fixing device 4 achieves the effect of fixing the circuit board, thereby avoiding the circuit board from sliding when the detector 2 detects the circuit board, thereby causing deviations in the circuit board hole position detection.
Claims
1. A circuit board hole position detection device, comprising a workbench (1) and an auxiliary device (5), characterized in that: The upper surface of the workbench (1) is fixedly connected to a detector (2) by means of a bracket, and the upper surface of the workbench (1) is fixedly connected to a display screen (3). The upper surface of the workbench (1) is provided with a fixing device (4) by means of an auxiliary device (5), and the fixing device (4) comprises two bases (41). The two bases (41) are fixedly connected to the upper surface of the workbench (1) by means of the auxiliary device (5). The cross section of the base (41) is in an "L" shape. The vertical end of the base (41) is rotatably connected to an L-shaped plate (42), and the lateral end of the base (41) is rotatably connected to a screw rod (43). A limiting groove (44) is provided on the L-shaped plate (42) corresponding to the screw rod (43). The screw rod (43) passes through the limiting groove (44) of the L-shaped plate (42), and a nut (45) is threadedly connected to the arc surface of the screw rod (43). The size of the nut (45) is larger than the size of the limiting groove (44).
2. A circuit board hole position detection device according to claim 1, characterized in that: One end of the screw rod (43) is fixedly connected to a baffle plate (48), and the size of the baffle plate (48) is larger than the size of the screw rod (43).
3. A circuit board hole position detection device according to claim 1, characterized in that: The arc surface of the screw rod (43) is sleeved with a gasket (46), the gasket (46) is a rubber sheet, and the gasket (46) is located between the L-shaped plate (42) and the nut (45).
4. A circuit board hole position detection device according to claim 1, characterized in that: Two mutually symmetrical handles (47) are fixedly connected to the arc surface of the nut (45), and the surfaces of the two handles (47) are provided with anti-slip grooves.
5. The circuit board hole position detection device according to claim 1, characterized in that: The auxiliary device (5) is arranged on the upper surface of the workbench (1), and the auxiliary device (5) comprises a plurality of circular holes (54). The plurality of circular holes (54) are evenly arranged on the upper surface of the workbench (1), and the plurality of circular holes (54) are linearly distributed. A fixing plate (52) is fixedly connected to one side of the base (41), and an insertion rod (53) is slidably inserted on the surface of the fixing plate (52), and the size of the insertion rod (53) is adapted to the size of the circular hole (54).
6. A circuit board hole position detection device according to claim 5, characterized in that: One end of the insertion rod (53) is fixedly connected to an elastic rope (55), and one end of the elastic rope (55) is fixedly connected to the fixing plate (52).
7. A circuit board hole position detection device according to claim 5, characterized in that: The upper surface of the workbench (1) is provided with a placement groove (51), and the two bases (41) are located in the placement groove (51).
8. A circuit board hole position detection device according to claim 7, characterized in that: Both sides of the base (41) are fixedly connected with a slide plate (56), and the workbench (1) is fixedly connected with a slide groove (57) by means of the placement groove (51), and the size of the slide groove (57) is adapted to the size of the slide plate (56).
