CN221715840U - A mainboard welding positioning tool - Google Patents

Abstract

The utility model belongs to the technical field of positioning of a main board, in particular to a main board welding positioning tool, which comprises a supporting table, wherein a control panel is arranged on the side wall of the supporting table, a placing board is arranged on the supporting table, a clamping plate is welded on a first sliding block, an alarm lamp is arranged on the top side of the clamping plate, a moving plate is fixedly arranged on the side wall of a moving rod, a first electrode plate is arranged on the moving plate, a second electrode plate is fixedly arranged on a fixed block, the moving rod is pushed back into a mounting groove by a limiting plate in the horizontal movement process of the clamping plate, the moving plate drives the first electrode plate to horizontally move until the moment that the clamping plate is adhered to the limiting plate, an internal circuit of the alarm lamp is communicated, the alarm lamp sends an electric signal to the control panel, the control panel controls a stepping motor to stop running after receiving the electric signal, the clamping plate stops moving, the control of clamping force of the clamping plate is realized, damage to the main board caused by overlarge clamping force is avoided, and the protection to the main board is beneficial to be improved.

Description

A mainboard welding positioning tool

Technical Field

The utility model relates to the technical field of mainboard positioning, in particular to a mainboard welding positioning tool.

Background Art

The turn signal is an important indicator light that is turned on when a motor vehicle is turning to alert vehicles in front, behind, left and right, as well as pedestrians. The main board is generally a rectangular circuit board. During the welding operation of the turn signal main board, a positioning tool is required to fix the circuit board.

A Chinese patent with publication number CN217343942U discloses a welding positioning tool for PCBA motherboard processing, including a workbench, a support component is arranged on the workbench, a fixed platform is installed on the support component, a slide groove, a fixed block, an isolation component, a support column and a controller are arranged on the fixed block, a first electric telescopic rod is installed on the fixed block, a lighting component is slidably connected in the slide groove, an electric push rod is fixed on the support column, a clamping plate is fixed on the piston end of the electric push rod, a buffer pad is arranged in the clamping plate, and the fixed platform is driven up and down by telescoping the piston ends of four groups of second electric telescopic rods, providing fixed platforms of different heights for different staff members to facilitate their use, illuminating the clamped circuit board by arranging the lighting component to improve the illumination, and discharging the toxic gas generated during welding by cooperating with the smoking hood, the smoking pipe and the operating hole to protect the health of the staff members.

The existing positioning tooling will exert a certain force on the mainboard during the process of fixing the mainboard. If the force is too large, the mainboard is easily damaged, resulting in poor protection of the mainboard. Therefore, a mainboard welding positioning tooling is proposed to address the above problem.

Utility Model Content

In order to make up for the deficiencies of the prior art and solve the problems existing in the prior art, the utility model proposes a mainboard welding positioning tool.

The technical solution adopted by the utility model to solve its technical problems is as follows: a mainboard welding positioning tool described in the utility model comprises a support table, a control panel is installed on the side wall of the support table, a placement plate is installed on the support table, a slide groove is provided on the placement plate, a screw rod is rotatably installed between the inner walls of the slide groove, a stepping motor is installed on the side wall of the placement plate through a machine base, the output shaft of the stepping motor is fixedly connected to one end of the screw rod, a first slider is installed in the slide groove, the first slider slides with the screw rod through a thread, a clamping plate is welded on the first slider, an alarm light is installed on the top side of the clamping plate, the alarm light and the stepping motor are connected to the control panel through an internal circuit, an installation groove is provided inside the clamping plate, a rod groove is provided on the side wall of the clamping plate, a moving rod runs through the rod groove, a moving plate is fixedly installed on the side wall of the moving rod, the moving plate is installed in the installation groove, a first electrode sheet is installed on the moving plate, a fixing block is fixedly installed on the inner wall of the installation groove, A second electrode sheet is fixedly mounted on the fixed block, and the first electrode sheet and the second electrode sheet are connected to the alarm light through an internal circuit, and a first spring is fixedly mounted on the side wall of the movable plate, and the other end of the first spring is fixedly connected to the inner wall of the mounting groove, and a second sliding block is assembled in the sliding groove, and a circular hole is opened on the second sliding block, and the circular hole on the second sliding block is sleeved on the outer periphery of the screw rod and the diameter of the circular hole is larger than the diameter of the screw rod. In the process of horizontal movement of the splint, the moving rod on it first contacts the limit plate, and the limit plate pushes the moving rod back into the mounting groove, and the moving rod drives the moving plate to move horizontally, and the moving plate drives the first electrode sheet to move horizontally until the splint and the limit plate are attached to each other. At this time, the first electrode sheet contacts the second electrode sheet, and the internal circuit of the alarm light is connected, and the alarm light sends an electrical signal to the control panel. After receiving the electrical signal, the control panel controls the stepping motor to stop operating and the splint stops moving, thereby realizing the control of the clamping force of the splint, avoiding damage to the mainboard caused by excessive clamping force, and is beneficial to improving the protection of the mainboard.

Preferably, a second spring is fixedly installed on the inner wall of the slide groove, the other side of the second spring is fixedly connected to the second slider, a limit plate is fixedly installed on the second slider, two groups of positioning blocks are symmetrically installed on the placement plate, a mounting plate is welded on the bottom side of the support platform, and four groups of mounting holes are opened on the mounting plate, by placing the mainboard on the placement plate, under the pulling force of the second spring, the second spring pulls the second slider to slide in the slide groove, the second slider drives the limit plate to move, and the limit plate pushes the mainboard to move, so that the mainboard is tightly attached to the two groups of positioning blocks, and at the same time, the limit plate is attached to the side wall of the mainboard, so that the mainboard is located between the limit plate and the two groups of positioning blocks, thereby realizing the limitation of the mainboard, which is beneficial to quickly positioning the mainboard.

The utility model is beneficial in that:

1. In the process of horizontal movement of the splint of the utility model, the moving rod thereon contacts with the limit plate first, the limit plate pushes the moving rod back into the installation groove, the moving rod drives the moving plate to move horizontally, and the moving plate drives the first electrode sheet to move horizontally until the splint is in contact with the limit plate. At this time, the first electrode sheet contacts with the second electrode sheet, the internal circuit of the alarm light is connected, the alarm light sends an electrical signal to the control panel, and the control panel controls the stepping motor to stop operating after receiving the electrical signal, and the splint stops moving, thereby realizing the control of the clamping force of the splint, avoiding damage to the mainboard caused by excessive clamping force, and being beneficial to improving the protection of the mainboard.

2. The utility model places the mainboard on the placement plate. Under the pulling force of the second spring, the second spring pulls the second slider to slide in the slide groove, the second slider drives the limit plate to move, and the limit plate pushes the mainboard to move, so that the mainboard is in close contact with the two groups of positioning blocks. At the same time, the limit plate is in contact with the side wall of the mainboard, so that the mainboard is located between the limit plate and the two groups of positioning blocks, thereby realizing the limitation of the mainboard, which is beneficial to quickly positioning the mainboard.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

FIG1 is a schematic diagram of a three-dimensional structure from a first viewing angle;

Figure 2 is a schematic diagram of the three-dimensional structure of the splint;

FIG3 is a schematic diagram of the internal three-dimensional structure of the splint;

FIG. 4 is a schematic diagram of the three-dimensional structure of the limiting plate.

In the figure: 1. support table; 2. control panel; 3. placement plate; 4. slide groove; 5. screw rod; 6. stepping motor; 7. first slider; 8. clamping plate; 9. alarm light; 10. rod groove; 11. moving rod; 12. moving plate; 13. first electrode sheet; 14. fixing block; 15. second electrode sheet; 16. first spring; 17. second slider; 18. second spring; 19. limit plate; 20. positioning block; 21. mounting plate; 22. mounting hole; 23. mounting groove.

DETAILED DESCRIPTION

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 of 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.

Please refer to Figures 1-4, a motherboard welding positioning tool includes a support table 1, a control panel 2 is installed on the side wall of the support table 1, a placement plate 3 is installed on the support table 1, a slide groove 4 is opened on the placement plate 3, a screw rod 5 is rotatably installed between the inner walls of the slide groove 4 through a bearing, a stepper motor 6 is installed on the side wall of the placement plate 3 through a machine base, the output shaft of the stepper motor 6 is fixedly connected to one end of the screw rod 5, a first slider 7 is assembled in the slide groove 4, the first slider 7 slides with the screw rod 5 through a thread, a clamping plate 8 is welded on the first slider 7, an alarm light 9 is installed on the top side of the clamping plate 8, the alarm light 9 and the stepper motor 6 are connected to the control panel 2 through an internal circuit, an installation groove 23 is opened inside the clamping plate 8, a rod groove 10 is opened on the side wall of the clamping plate 8, a moving rod 11 runs through the rod groove 10, a moving plate 12 is fixedly installed on the side wall of the moving rod 11, and the moving plate 12 Assembled in the mounting groove 23, a first electrode sheet 13 is installed on the movable plate 12, a fixed block 14 is fixedly installed on the inner wall of the mounting groove 23, a second electrode sheet 15 is fixedly installed on the fixed block 14, the first electrode sheet 13 and the second electrode sheet 15 are connected to the alarm light 9 through an internal circuit, a first spring 16 is fixedly installed on the side wall of the movable plate 12, the other end of the first spring 16 is fixedly connected to the inner wall of the mounting groove 23, a second slider 17 is assembled in the slide groove 4, a round hole is opened on the second slider 17, the round hole on the second slider 17 is sleeved on the outer periphery of the screw rod 5 and the diameter of the round hole is greater than the diameter of the screw rod 5, a second spring 18 is fixedly installed on the inner wall of the slide groove 4, the other side of the second spring 18 is fixedly connected to the second slider 17, a limiting plate 19 is fixedly installed on the second slider 17, two groups of positioning blocks 20 are symmetrically installed on the placement plate 3, and the bottom side of the support table 1 A mounting plate 21 is welded, and four groups of mounting holes 22 are opened on the mounting plate 21; when working, the existing positioning tooling will cause a certain force on the mainboard in the process of fixing the mainboard. When the force is too large, the mainboard is easily damaged, resulting in poor protection of the mainboard. By placing the mainboard on the placement plate 3, under the pulling force of the second spring 18, the second spring 18 pulls the second slider 17 to slide in the slide groove 4, and the second slider 17 drives the limit plate 19 to move, and the limit plate 19 pushes the mainboard to move, so that the mainboard is tightly attached to the two groups of positioning blocks 20, and at the same time, the limit plate 19 is attached to the side wall of the mainboard, so that the mainboard is located between the limit plate 19 and the two groups of positioning blocks 20, thereby realizing the limitation of the mainboard; then the stepping motor 6 is operated to drive the screw rod 5 to rotate, and the screw rod 5 drives the first slider 7 thereon to move horizontally, and the first slider 7 drives the clamping plate 8 Horizontal movement; during the horizontal movement of the splint 8, the moving rod 11 thereon first contacts with the limit plate 19, and the limit plate 19 pushes the moving rod 11 back into the installation groove 23, and the moving rod 11 drives the moving plate 12 to move horizontally, and the moving plate 12 drives the first electrode sheet 13 to move horizontally, until the splint 8 is in contact with the limit plate 19. At this time, the first electrode sheet 13 contacts with the second electrode sheet 15, and the internal circuit of the alarm light 9 is connected, and the alarm light 9 is turned on. At the same time, the alarm light 9 sends an electrical signal to the control panel 2. After receiving the electrical signal, the control panel 2 controls the stepping motor 6 to stop operating, and the splint 8 stops moving, thereby realizing the control of the clamping force of the splint 8. At this time, the splint 8 cooperates with the two groups of positioning blocks 20 to position the main board; this structure controls the clamping force of the splint 8 to avoid damage to the main board caused by excessive clamping force, which is beneficial to improving the protection of the main board.

Working principle: the existing positioning tooling will cause a certain force on the mainboard during the process of fixing the mainboard. When the force is too large, the mainboard is easily damaged, resulting in poor protection of the mainboard. By placing the mainboard on the placement plate 3, under the pulling force of the second spring 18, the second spring 18 pulls the second slider 17 to slide in the slide groove 4, and the second slider 17 drives the limit plate 19 to move, and the limit plate 19 pushes the mainboard to move, so that the mainboard is in close contact with the two groups of positioning blocks 20. At the same time, the limit plate 19 is in contact with the side wall of the mainboard, so that the mainboard is located between the limit plate 19 and the two groups of positioning blocks 20, thereby achieving the limitation of the mainboard; then the stepping motor 6 is operated to drive the screw rod 5 to rotate, and the screw rod 5 drives the first slider 7 thereon to move horizontally, and the first slider 7 drives the clamping plate 8 to move horizontally; the clamping plate 8 moves horizontally During the process, the moving rod 11 thereon first contacts with the limit plate 19, and the limit plate 19 pushes the moving rod 11 back into the installation groove 23, and the moving rod 11 drives the moving plate 12 to move horizontally, and the moving plate 12 drives the first electrode sheet 13 to move horizontally, until the moment when the clamping plate 8 is in contact with the limit plate 19, at this time, the first electrode sheet 13 contacts with the second electrode sheet 15, and the internal circuit of the alarm light 9 is connected, the alarm light 9 is turned on, and at the same time, the alarm light 9 sends an electrical signal to the control panel 2. After receiving the electrical signal, the control panel 2 controls the stepping motor 6 to stop operating, and the clamping plate 8 stops moving, thereby realizing the control of the clamping force of the clamping plate 8. At this time, the clamping plate 8 cooperates with the two groups of positioning blocks 20 to position the main board; this structure controls the clamping force of the clamping plate 8 to avoid damage to the main board caused by excessive clamping force, which is beneficial to improving the protection of the main board.

The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims (6)

1. A mainboard welding positioning tool, characterized in that it comprises a support platform (1), a control panel (2) is installed on the side wall of the support platform (1), a placement plate (3) is installed on the support platform (1), a slide groove (4) is provided on the placement plate (3), a screw rod (5) is rotatably installed between the inner walls of the slide groove (4) through a bearing, a stepper motor (6) is installed on the side wall of the placement plate (3) through a machine base, the output shaft of the stepper motor (6) is fixedly connected to one end of the screw rod (5), a first slider (7) is assembled in the slide groove (4), the first slider (7) slides with the screw rod (5) through a thread, a clamping plate (8) is welded on the first slider (7), and an alarm light (9) is installed on the top side of the clamping plate (8), The alarm light (9) and the stepper motor (6) are connected to the control panel (2) through an internal circuit; a mounting groove (23) is provided inside the clamping plate (8); a rod groove (10) is provided on the side wall of the clamping plate (8); a moving rod (11) passes through the rod groove (10); a moving plate (12) is fixedly installed on the side wall of the moving rod (11); the moving plate (12) is assembled in the mounting groove (23); a first electrode sheet (13) is installed on the moving plate (12); a fixed block (14) is fixedly installed on the inner wall of the mounting groove (23); a second electrode sheet (15) is fixedly installed on the fixed block (14); the first electrode sheet (13) and the second electrode sheet (15) are connected to the alarm light (9) through an internal circuit. 2. A mainboard welding positioning tool according to claim 1, characterized in that a first spring (16) is fixedly installed on the side wall of the movable plate (12), and the other end of the first spring (16) is fixedly connected to the inner wall of the installation groove (23). 3. A motherboard welding positioning tool according to claim 1, characterized in that: a second slider (17) is installed in the slide groove (4), and a round hole is opened on the second slider (17), and the round hole on the second slider (17) is sleeved on the outer periphery of the screw rod (5) and the diameter of the round hole is larger than the diameter of the screw rod (5). 4. A mainboard welding positioning tool according to claim 1, characterized in that: a second spring (18) is fixedly installed on the inner wall of the slide groove (4), and the other side of the second spring (18) is fixedly connected to the second slide block (17). 5. A mainboard welding positioning tool according to claim 3, characterized in that: a limiting plate (19) is fixedly installed on the second sliding block (17), and two groups of positioning blocks (20) are symmetrically installed on the placement plate (3). 6. A mainboard welding positioning tool according to claim 1, characterized in that: a mounting plate (21) is welded to the bottom side of the support platform (1), and four groups of mounting holes (22) are opened on the mounting plate (21).