Pin welding device for low dropout regulator

Abstract

The utility model discloses a low dropout linear regulator pin welding device which comprises a placing plate located in the center of a bottom plate, supporting frames are arranged at the two ends of the placing plate, the placing plate is connected with the supporting frames through damping rotating shafts, a downward pressing assembly is arranged in the center of the placing plate, and positioning rods movably connected with the placing plate are arranged on the two sides of the downward pressing assembly in parallel. A rack is fixed to the bottom plate, a welding gun connected with the rack through an adjusting mechanism is arranged above the containing plate, a smoke removal machine is arranged on the bottom plate and connected with a smoke suction hood facing the containing plate, and a control panel is installed on the rack. Compared with the prior art, by arranging the smoke removing machine, welding smoke can be prevented from diffusing in the air, the breathing safety of workers is guaranteed, the situation that the sight of the workers is affected due to the existence of the welding smoke is avoided, it is guaranteed that welding is not affected, continuous welding is facilitated, and the welding quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of low-voltage-difference linear regulators, in particular to a pin welding device for a low-voltage-difference linear regulator. Background Art

[0002] Low-dropout linear regulators have the characteristics of high power supply rejection ratio and low power consumption, which makes them play an important role in power management systems. The existing patent (Announcement No.: CN219113256U) discloses a chip packaging welding device. The utility model is convenient for adjusting the position and angle of the welding gun by setting an angle adjustment device, an adjustment threaded rod and an adjustment disk, so as to facilitate welding at different positions of the chip, which is more convenient to use. However, in actual applications, since the chip represented by the low-dropout linear regulator is very small, welding smoke is inevitably generated during welding, which will not only affect the normal breathing of the staff, but also affect the staff's vision, thereby affecting the welding quality. To this end, we propose a low-dropout linear regulator pin welding device. Utility Model Content

[0003] In order to solve the above problems, the utility model provides a low voltage difference linear regulator pin welding device.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A low-voltage difference linear regulator pin welding device is designed, including a placement plate located in the center of a base plate, support frames are provided at both ends of the placement plate, the placement plate is connected to the support frames through a damping shaft, and a pressing component is provided in the center of the placement plate, positioning rods movably connected to the placement plate are provided in parallel on both sides of the pressing component, a frame is fixed on the base plate, a welding gun connected to the frame through an adjusting mechanism is provided above the placement plate, a smoke extractor is provided on the base plate, the smoke extractor is connected to a smoke hood facing the placement plate, and a control panel is installed on the frame.

[0006] In the above solution, one end of the support frame is connected to an electric push rod vertically fixed on the base plate, and the other end of the support frame is slidably sleeved on a support rod fixed on the base plate.

[0007] In the above solution, a limiting frame fixed to the supporting frame is provided on one side of the placing plate, and the pressing assembly is movably matched with the limiting frame.

[0008] In the above scheme, the pressing assembly includes a movable plate and a pressing plate, the top of the movable plate is movably connected with a screw threadedly connected to the limiting frame, and a spring is connected between the movable plate and the pressing plate.

[0009] In the above solution, the adjustment mechanism includes a turntable, a welding arm is fixed to the bottom of the turntable, and the welding gun is movably connected to the welding arm.

[0010] In the above scheme, a motor 1 connected to the turntable is installed on the frame, a motor 2 connected to the turntable and a connecting block are respectively provided on both sides of the bottom end of the welding arm, and the end of the welding gun is installed in the connecting block.

[0011] In the above scheme, a rack fixed to the positioning rod is provided at the bottom of the placement plate, a gear meshing with the rack is installed on the placement plate through a rotating shaft, a limiting rod is fixed at the bottom of the placement plate, and the rack is slidably connected to the limiting rod through a sliding arm.

[0012] The advantages and beneficial effects of the utility model are as follows: by setting up a smoke remover and utilizing a smoke extraction hood facing the placement plate to absorb welding smoke generated during welding, compared to the prior art, it can prevent welding smoke from diffusing in the air and ensure the breathing safety of the workers, and also avoid affecting the workers' sight due to the presence of welding smoke, to ensure that welding is not affected, so as to allow for continuous welding and improve welding quality; by arranging a pressing assembly and a positioning rod on the placement plate, a low-voltage difference linear regulator and a circuit board are stacked on the placement plate, so that the low-voltage difference linear regulator is placed in a welding position; first, the pressing assembly is utilized to press the low-voltage difference linear regulator tightly against the circuit board, and then the positioning rod is inserted under the pins of the low-voltage difference linear regulator, so as to assist in positioning the chip and improve welding accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] 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.

[0014] Figure 1 This is a right view of a pin welding device for a low voltage difference linear regulator proposed by the utility model;

[0015] Figure 2 This is a left view of a pin welding device for a low voltage difference linear regulator proposed by the utility model;

[0016] Figure 3 This is a structural schematic diagram of a placement plate of a low voltage difference linear regulator pin welding device proposed by the utility model;

[0017] Figure 4 The utility model provides a schematic structural diagram of a pressing component of a pin welding device for a low voltage difference linear regulator.

[0018] In the figure: base plate 1, electric push rod 2, placement plate 3, support rod 4, support frame 5, limit frame 6, pressing assembly 7, movable plate 71, pressure plate 72, spring 73, screw 74, positioning rod 8, rotating shaft 9, gear 10, rack 11, limit rod 12, sliding arm 13, frame 14, turntable 15, motor 1 16, welding arm 17, connecting block 18, welding gun 19, motor 2 20, damping rotating shaft 21, smoke remover 22, smoking hood 23, control panel 24. DETAILED DESCRIPTION

[0019] The following is a further description of the specific implementation of the present invention in conjunction with the accompanying drawings and embodiments. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and cannot be used to limit the protection scope of the present invention.

[0020] See also Figure 1-4 The utility model provides a technical solution: a low-voltage difference linear regulator pin welding device, comprising a placement plate 3 located at the center of a bottom plate 1, support frames 5 are provided at both ends of the placement plate 3, and the placement plate 3 is connected to the support frame 5 through a damping shaft 21; the placement plate 3 is rotated to adjust the angle between the placement plate 3 and the support frame 5, and then the placement plate 3 is flipped at both sides to meet the welding angle requirements of the staff;

[0021] Further, one end of the support frame 5 is connected to an electric push rod 2 vertically fixed on the base plate 1, the stroke end of the electric push rod 2 is connected to the support frame 5, and the other end of the support frame 5 is slidably sleeved on a support rod 4 fixed on the base plate 1, and a sliding bearing matched with the support rod 4 is installed on the support frame 5; by controlling the stroke end length of the electric push rod 2, the height of the placement plate 3 is controlled to meet the height requirement of welding;

[0022] A pressing component 7 is provided at the center of the placement plate 3;

[0023] Furthermore, a limiting frame 6 fixed to the supporting frame 5 is provided on one side of the placing plate 3, and the pressing assembly 7 is movably matched with the limiting frame 6;

[0024] Further, the pressing assembly 7 includes a moving plate 71 and a pressing plate 72. The top of the moving plate 71 is connected to a screw rod 74 threadedly connected to the limiting frame 6 through a movable seat. The top of the limiting frame 6 is provided with a screw hole matching the screw rod 74. A spring 73 is connected between the moving plate 71 and the pressing plate 72. The spring 73 is used to buffer the pressure. By rotating the screw rod 74, the screw rod 74 moves up and down in the limiting frame 6, thereby driving the pressing plate 72 to move up and down, so as to place or remove chips and circuit boards.

[0025] Positioning rods 8 movably connected to the placement plate 3 are provided in parallel on both sides of the pressing assembly 7;

[0026] Further, a rack 11 is provided at the bottom of the placement plate 3, which is fixed to the positioning rod 8 through a fixing block. A strip-shaped opening matching the fixing block is opened on the placement plate 3 to facilitate the movement of the positioning rod 8. A gear 10 meshing with the rack 11 is installed on the placement plate 3 through a rotating shaft 9. A limiting rod 12 is fixed at the bottom of the placement plate 3. The rack 11 is slidably connected to the limiting rod 12 through a sliding arm 13, and the end of the sliding arm 13 is a sliding sleeve matching the limiting rod 12. By rotating the rotating shaft 9, the gear 10 is rotated to drive the rack 11 to move along the limiting rod 12, thereby adjusting the distance between adjacent positioning rods 8 to adapt to the distance between the pins on both sides.

[0027] Specifically, by setting a pressing component 7 and a positioning rod 8 on the placement plate 3, the low-voltage difference linear regulator and the circuit board are stacked on the placement plate 3, so that the low-voltage difference linear regulator is placed in the welding position, and the pressing component is first used to press the low-voltage difference linear regulator tightly onto the circuit board, and then the positioning rod 8 is inserted under the pins of the low-voltage difference linear regulator to assist in positioning the chip and improve the welding accuracy.

[0028] A frame 14 is fixed on the bottom plate 1, and a welding gun 19 connected to the frame 14 through an adjustment mechanism is provided above the placement plate 3;

[0029] Further, the adjustment mechanism includes a rotating disk 15, a welding arm 17 is fixed to the bottom of the rotating disk 15, and a welding gun 19 is movably connected to the welding arm 17;

[0030] Further, the frame 14 is provided with a motor 16 connected to the turntable 15, and the two sides of the bottom end of the welding arm 17 are respectively provided with a motor 20 and a connecting block 18 connected to the turntable 15, and the end of the welding gun 19 is installed in the connecting block 18. The connecting block 18 is provided with a screw hole, and the end of the welding gun 19 is connected to the screw hole for easy disassembly and assembly; starting the motor 16, the turntable 15 rotates, and the welding gun 19 is directed to different positions, and starting the motor 20, the connecting block 18 rotates, and the welding gun 19 moves up and down;

[0031] A smoke extractor 22 is provided on the bottom plate 1, and the smoke extractor 22 is connected to a smoke hood 23 facing the placement plate 3 through a dust suction pipe;

[0032] Specifically, by setting up a smoke remover 22 and using a smoke hood 23 facing the placement plate 3 to absorb the welding smoke generated during the welding process, compared with the existing technology, it can prevent the welding smoke from diffusing in the air and ensure the breathing safety of the workers, and also avoid affecting the workers' vision due to the presence of welding smoke, thereby ensuring that welding is not affected, so as to continue welding and improve welding quality.

[0033] A control panel 24 is mounted on the frame 14; the control panel 24 is mounted with external switches of the electric push rod 2, and control switches of the motor 1 16 and the motor 2 20 for operation.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A low voltage drop linear regulator pin welding device, comprising a placement plate (3) located at the center of a base plate (1), characterized in that: Support frames (5) are provided at both ends of the placement plate (3), the placement plate (3) is connected to the support frames (5) via a damping shaft (21), and a pressing assembly (7) is provided at the center of the placement plate (3), and positioning rods (8) movably connected to the placement plate (3) are provided in parallel on both sides of the pressing assembly (7), a frame (14) is fixed on the bottom plate (1), a welding gun (19) connected to the frame (14) via an adjustment mechanism is provided above the placement plate (3), a smoke extractor (22) is provided on the bottom plate (1), and the smoke extractor (22) is connected to a smoke hood (23) facing the placement plate (3), and a control panel (24) is installed on the frame (14).

2. A low voltage drop linear regulator pin welding device according to claim 1, characterized in that: One end of the support frame (5) is connected to an electric push rod (2) vertically fixed on the base plate (1), and the other end of the support frame (5) is slidably sleeved on a support rod (4) fixed on the base plate (1).

3. A low voltage drop linear regulator pin welding device according to claim 1, characterized in that: A limiting frame (6) fixed to the supporting frame (5) is provided on one side of the placement plate (3), and the pressing assembly (7) is movably matched with the limiting frame (6).

4. A low voltage drop linear regulator pin welding device according to claim 3, characterized in that: The pressing assembly (7) comprises a movable plate (71) and a pressing plate (72); a screw rod (74) threadedly connected to the limiting frame (6) is movably connected to the top of the movable plate (71); and a spring (73) is connected between the movable plate (71) and the pressing plate (72).

5. The low voltage drop linear regulator pin welding device according to claim 1, characterized in that: The adjustment mechanism comprises a rotating disk (15), a welding arm (17) is fixed at the bottom of the rotating disk (15), and the welding gun (19) is movably connected to the welding arm (17).

6. A low voltage drop linear regulator pin welding device according to claim 5, characterized in that: The frame (14) is provided with a motor 1 (16) which is transmission-connected to the turntable (15), and two motor 2 (20) and a connecting block (18) which are transmission-connected are respectively provided on both sides of the bottom end of the welding arm (17), and the end of the welding gun (19) is installed in the connecting block (18).

7. A low voltage drop linear regulator pin welding device according to claim 1, characterized in that: A rack (11) fixed to the positioning rod (8) is provided at the bottom of the placement plate (3); a gear (10) meshing with the rack (11) is installed on the placement plate (3) via a rotating shaft (9); a limiting rod (12) is fixed at the bottom of the placement plate (3); and the rack (11) is slidably connected to the limiting rod (12) via a sliding arm (13).

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