Welding spot failure detection device for navigation control mainboard

Abstract

The utility model relates to the technical field of mainboard detection, and discloses a navigation control mainboard welding spot failure detection device which comprises a vertical plate, the upper surface of the vertical plate is fixedly connected with a top plate, the lower surface of the top plate is provided with a limiting assembly, and one side of the vertical plate is provided with a pushing assembly; through cooperation of the pushing rod assembly, the limiting assembly and the pressure applying marking assembly, the pushing assembly drives the pressure applying marking assembly to move along the limiting assembly, when the welding spot of the mainboard body is qualified, a right-angle pushing plate compresses a spring, then a protruding block abuts against a first limiting switch and then resets, and when the welding spot of the mainboard body is unstable, the pressing marking assembly is reset. The elastic potential energy of the spring is larger than the relative acting force of the mainboard body on the right-angle push plate, so that the mounting base abuts against a second limiting switch on the baffle, the second limiting switch controls the electric push rod to stretch out and draw back, then the marking plate marks the unqualified position of the welding spot, workers can find the unqualified welding spot conveniently, and the detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mainboard detection, in particular to a navigation control mainboard solder joint failure detection device. Background Art

[0002] Welding, also known as fusion welding, is a manufacturing process and technology that uses heating, high temperature or high pressure to join metals or other thermoplastic materials such as plastics. Welding will form welds, which need to be tested to determine the firmness of the weld.

[0003] In the prior art, the Chinese utility model with publication number: CN212722411U discloses a device for detecting failure of solder joints of a vehicle-mounted navigation control mainboard. Aiming at the problem that the existing detection method is relatively wasteful of manpower and inefficient, the following scheme is proposed, which comprises a bottom plate, two side plates are fixedly installed on the top of the bottom plate, two rotating rollers are rotatably installed on the two side plates, the outer sides of the two rotating rollers are driven and installed with the same conveyor belt, one side of a plurality of mounting blocks is fixedly installed on the outer side of the conveyor belt, and a placing box is fixedly installed on the other side of the plurality of mounting blocks, a sliding hole is provided on one side plate of the two side plates, a push plate is slidably installed in the sliding hole, a reset groove is provided at the bottom of the push plate, a reset block is slidably installed in the reset groove, and a push block is fixedly installed at the bottom of the reset block. The utility model is convenient for detecting solder joints of the control mainboard, saves time and labor, improves detection efficiency, has a simple structure, and is easy to use;

[0004] Although the above technical solution is convenient for detecting solder joints, it is not convenient to mark unqualified detection points after the mainboard is detected. As a result, the mainboard after detection requires staff to manually detect unstable welding positions, thereby reducing the efficiency of solder joint failure detection. Therefore, we need to propose a navigation control mainboard solder joint failure detection device. Utility Model Content

[0005] The purpose of the utility model is to provide a navigation control mainboard solder point failure detection device, which is convenient for marking the unstable welding position of the solder point, thereby facilitating the staff to inspect the unstable welding points on the mainboard, improving the detection efficiency of the mainboard solder point stability, and reducing the staff's operation workload, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a navigation control mainboard solder joint failure detection device, comprising a vertical plate, the upper surface of the vertical plate is fixedly connected to a top plate, the lower surface of the top plate is provided with a limit assembly, a push assembly is installed on one side of the vertical plate, and a pressure marking assembly slidably connected to the limit assembly is provided on the push assembly;

[0007] The pressure marking assembly comprises a right-angle push plate, a protrusion is arranged at the lower end of one side of the right-angle push plate, two groups of limit rods are inserted at the other side of the right-angle push plate, a limit slot for sliding connection of the two groups of limit rods is opened on the lower surface of the right-angle push plate, and the outer sides of the two groups of limit rods are sleeved with return springs, an electric push rod is installed on the lower surface of the right-angle push plate, and a marking plate is arranged at the telescopic end of the electric push rod;

[0008] The limit assembly comprises a baffle, one side of the baffle is provided with two groups of guide rails fixedly connected to the lower surface of the top plate, and one side of the baffle is provided with a first limit switch.

[0009] Preferably, the pushing assembly includes a cylinder and a mounting seat, the cylinder is arranged at the upper end of one side of the vertical plate, the telescopic rod of the cylinder passes through the vertical plate and is arranged on one side of the mounting seat, and the other ends of the two groups of limiting plug rods are fixedly connected to the other side of the mounting seat.

[0010] Preferably, a second limit switch is arranged in the middle of the other side of the mounting seat, and a reset block is arranged in the middle of the other side of the right-angle push plate, and the axis of the reset block and the axis of the second limit switch are arranged on the same straight line.

[0011] Preferably, a slide groove slidably connected to the two sets of guide rails is provided on the upper surface of the mounting seat, and a controller is provided on the upper surface of the top plate.

[0012] Preferably, a support plate is fixedly connected to the other side of the vertical plate, and an ink pad is provided at one end of the upper surface of the support plate.

[0013] Preferably, it further comprises a base, wherein the vertical plate is fixedly connected to one end of the upper surface of the base, a mainboard mounting assembly is disposed on the upper surface of the base, and a mainboard body is embedded in the mainboard mounting assembly.

[0014] Preferably, the mainboard mounting assembly includes a rotating motor mounted on the upper surface of the base, the output shaft of the rotating motor is fixedly connected to a fixed frame, one side of the fixed frame is open, and two groups of card slots are provided on one side of the fixed frame, one side of the fixed frame is slidably connected to a sealing plate, one side of the sealing plate is fixedly connected to two groups of card blocks, and the two groups of card blocks respectively fit with the two groups of card slots.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model mainly promotes the cooperation between the push rod assembly, the limit assembly and the pressure marking assembly. The push assembly drives the pressure marking assembly to move along the limit assembly. When the solder joint of the main board body is qualified, the right-angle push plate compresses the spring, so that the protrusion abuts against the first limit switch and then resets. When the solder joint of the main board body is unstable, the elastic potential energy of the spring is greater than the relative force of the main board body on the right-angle push plate, so that the mounting seat abuts against the second limit switch on the baffle. The second limit switch controls the extension and retraction of the electric push rod, so that the marking plate marks the position of the unqualified solder joint, which is convenient for the staff to find the unqualified solder joint and improves the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the pressure marking component of the utility model;

[0019] Figure 3 It is a schematic diagram of the mainboard mounting assembly structure of the utility model.

[0020] In the figure: 1. base; 2. vertical plate; 3. top plate; 4. controller; 5. pushing assembly; 51. cylinder; 52. mounting seat; 53. slide groove; 54. first limit switch; 6. limit assembly; 61. baffle; 62. guide rail; 63. second limit switch; 7. pressure marking assembly; 71. right-angle push plate; 72. bump; 73. limit slot; 74. limit plug; 75. reset block; 76. spring; 77. electric push rod; 78. marking plate; 8. support plate; 9. ink pad; 10. mainboard mounting assembly; 101. rotating motor; 102. fixing frame; 103. slot; 104. sealing plate; 105. block; 11. mainboard body. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-3 The utility model provides a technical solution: a navigation control mainboard solder joint failure detection device, comprising a vertical plate 2, a top plate 3 is fixedly connected to the upper surface of the vertical plate 2, a limit component 6 is arranged on the lower surface of the top plate 3, a push component 5 is installed on one side of the vertical plate 2, and a pressure marking component 7 slidably connected to the limit component 6 is arranged on the push component 5;

[0023] The pressure marking assembly 7 includes a right-angle push plate 71, a protrusion 72 is provided at the lower end of one side of the right-angle push plate 71, two groups of limit rods 74 are inserted on the other side of the right-angle push plate 71, and the lower surface of the right-angle push plate 71 is provided with a limit slot 73 for sliding connection of the two groups of limit rods 74, and the outer sides of the two groups of limit rods 74 are sleeved with a return spring 76, and an electric push rod 77 is installed on the lower surface of the right-angle push plate 71, and a marking plate 78 is provided at the telescopic end of the electric push rod 77;

[0024] The limit assembly 6 includes a baffle 61 , one side of which is provided with two sets of guide rails 62 fixedly connected to the lower surface of the top plate 3 , and one side of the baffle 61 is provided with a first limit switch 54 .

[0025] The pushing assembly 5 includes a cylinder 51 and a mounting seat 52. The cylinder 51 is arranged at the upper end of one side of the vertical plate 2. The telescopic rod of the cylinder 51 passes through the vertical plate 2 and is arranged on one side of the mounting seat 52. The other ends of the two sets of limit rods 74 are fixedly connected to the other side of the mounting seat 52. The limit assembly 6 and the pressure marking assembly 7 are associated through the mounting seat 52, and the position of the mounting seat 52 is adjusted by the cylinder 51, so that the right-angle push plate 71 contacts the components welded on the main board body 11.

[0026] A second limit switch 63 is provided in the middle of the other side of the mounting seat 52, and a reset block 75 is provided in the middle of the other side of the right-angle push plate 71. The axis of the reset block 75 and the axis of the second limit switch 63 are both arranged on the same straight line. The mounting seat 52 abuts against the second limit switch 63, thereby facilitating the control of the electric push rod 77 to complete one extension and retraction, so that the marking plate 78 can mark the unqualified solder joints on the main board, thereby improving the efficiency of the staff in finding unqualified solder joints.

[0027] A slide groove 53 slidably connected to the two sets of guide rails 62 is provided on the upper surface of the mounting base 52, and a controller 4 is provided on the upper surface of the top plate 3. The controller 4 is used to receive the models of the first limit switch 54 and the second limit switch 63, thereby controlling the operation of the cylinder 51 and the electric push rod 77.

[0028] The other side of the vertical plate 2 is fixedly connected to a support plate 8, and one end of the upper surface of the support plate 8 is provided with an ink pad 9. The ink pad 9 on the support plate 8 facilitates the application of marking paint on the marking plate 78 for the next marking use.

[0029] It also includes a base 1, a vertical plate 2 is fixedly connected to one end of the upper surface of the base 1, a mainboard mounting assembly 10 is provided on the upper surface of the base 1, and a mainboard body 11 is embedded in the mainboard mounting assembly 10. The mainboard mounting assembly 10 facilitates the installation of the mainboard body 11 and improves the stability of the mainboard body 11 when detecting solder joints.

[0030] The motherboard mounting assembly 10 includes a rotating motor 101 mounted on the upper surface of the base 1, and the output shaft of the rotating motor 101 is fixedly connected to a fixed frame 102, one side of the fixed frame 102 is open, and two groups of card slots 103 are opened on one side of the fixed frame 102, and a sealing plate 104 is slidably connected to one side of the fixed frame 102, and two groups of card blocks 105 are fixedly connected to one side of the sealing plate 104, and the two groups of card blocks 105 are respectively matched with the two groups of card slots 103, and the motherboard body 11 is inserted into the fixed frame 102, and then the sealing plate 104 is pushed upward, thereby fixing the motherboard body 11, thereby ensuring the stability of the motherboard body 11 during solder joint detection.

[0031] When in use, the sealing plate 104 is pressed down to move the card block 105 to the bottom of the card slot 103, and the main board body 11 is inserted through the opening of the fixed frame 102, so that the sealing plate 104 is reset, and the cylinder 51 is started to drive the mounting seat 52 to move along the guide rail 62, thereby driving the pressure marking component 7 to approach the component welded on the main board body 11, and the protrusion 72 contacts the main board component. When the welding of the component on the main board body 11 is stable, the right-angle push plate 71 compresses the spring 76 and the limit rod 74 is stored in the limit slot 73, so that the reset block 75 contacts the first limit switch 54, and the first limit switch 54 transmits a signal to the controller 4. The controller 4 controls the cylinder 51 to reset, and the rotating motor 101 drives the fixed frame 102 to rotate an angle, thereby contacting the main board component of another welding point. After the inspection is carried out, the cylinder 51 is started again and the pushing action is repeated. When the solder joint position of the mainboard component is unstable, the mainboard component is disconnected during the compression of the spring 76, thereby resetting the spring 76, and then the telescopic rod of the cylinder 51 is extended to the longest, so that the mounting seat 52 contacts the second limit switch 63. The second limit switch 63 transmits a signal to the controller 4, and the controller 4 controls the electric push rod 77 to extend and retract, so that the paint on the marking plate 78 is contaminated on the unqualified solder joint position on the mainboard body 11. After the cylinder 51 is reset, the electric push rod 77 is extended and retracted once, so that the marking plate 78 is contaminated with ink 9, which is convenient for the next solder joint inspection and marking. The operation is simple and convenient, which reduces the labor intensity of the staff, and is convenient for marking unqualified solder joints, making it convenient for the staff to find them.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A navigation control mainboard solder joint failure detection device, comprising a vertical plate (2), characterized in that: The upper surface of the vertical plate (2) is fixedly connected to the top plate (3), the lower surface of the top plate (3) is provided with a limit assembly (6), a pushing assembly (5) is installed on one side of the vertical plate (2), and a pressure marking assembly (7) slidably connected to the limit assembly (6) is provided on the pushing assembly (5); The pressure marking assembly (7) comprises a right-angle push plate (71), a protrusion (72) is provided at the lower end of one side of the right-angle push plate (71), two groups of limit rods (74) are inserted at the other side of the right-angle push plate (71), a limit slot (73) for sliding connection of the two groups of limit rods (74) is provided on the lower surface of the right-angle push plate (71), and the outer sides of the two groups of limit rods (74) are sleeved with return springs (76), an electric push rod (77) is installed on the lower surface of the right-angle push plate (71), and a marking plate (78) is provided at the telescopic end of the electric push rod (77); The limit assembly (6) comprises a baffle (61), one side of which is provided with two groups of guide rails (62) fixedly connected to the lower surface of the top plate (3), and one side of which is provided with a first limit switch (54).

2. The navigation control mainboard solder joint failure detection device according to claim 1, characterized in that: The pushing assembly (5) comprises a cylinder (51) and a mounting seat (52); the cylinder (51) is arranged at the upper end of one side of the vertical plate (2); the telescopic rod of the cylinder (51) passes through the vertical plate (2) and is arranged on one side of the mounting seat (52); the other ends of the two groups of limiting plug rods (74) are fixedly connected to the other side of the mounting seat (52).

3. The navigation control mainboard solder joint failure detection device according to claim 2, characterized in that: A second limit switch (63) is arranged in the middle of the other side of the mounting seat (52), and a reset block (75) is arranged in the middle of the other side of the right-angle push plate (71), and the axis of the reset block (75) and the axis of the second limit switch (63) are arranged on the same straight line.

4. The navigation control mainboard solder joint failure detection device according to claim 3, characterized in that: The upper surface of the mounting seat (52) is provided with a sliding groove (53) slidably connected to the two sets of guide rails (62), and the upper surface of the top plate (3) is provided with a controller (4).

5. The navigation control mainboard solder joint failure detection device according to claim 4, characterized in that: The other side of the vertical plate (2) is fixedly connected to a support plate (8), and an ink pad (9) is provided on one end of the upper surface of the support plate (8).

6. The navigation control mainboard solder joint failure detection device according to claim 1, characterized in that: It also comprises a base (1), the vertical plate (2) being fixedly connected to one end of the upper surface of the base (1), the upper surface of the base (1) being provided with a mainboard mounting assembly (10), and the mainboard mounting assembly (10) being embedded with a mainboard body (11).

7. The navigation control mainboard solder joint failure detection device according to claim 6, characterized in that: The mainboard mounting assembly (10) comprises a rotating motor (101) mounted on the upper surface of a base (1); the output shaft of the rotating motor (101) is fixedly connected to a fixing frame (102); one side of the fixing frame (102) is open, and two groups of card slots (103) are provided on one side of the fixing frame (102); one side of the fixing frame (102) is slidably connected to a sealing plate (104); one side of the sealing plate (104) is fixedly connected to two groups of card blocks (105), and the two groups of card blocks (105) are respectively matched with the two groups of card slots (103).

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