Welding equipment capable of automatically adjusting pressure

Abstract

The utility model belongs to the technical field of automatic welding, and particularly relates to automatic pressure adjusting welding equipment which comprises a base and a main machine fixedly connected to the base, a tin removing mechanism and a welding platform are further connected to the base, and a servo moving mechanism is fixedly connected to the outer surface of one side of the main machine. And a pressure sensor is fixedly connected to the moving end of the servo moving mechanism. The tin removing mechanism is arranged on the base, the motor box and the tin storage box can be driven to move through the first air cylinder, so that the tin storage box can be moved to the position below the welding machine head, the servo moving mechanism drives the welding machine head to descend so that the welding machine head can enter the tin storage box, and the motor drives a brush in the tin storage box to rotate; according to the welding head cleaning device, residual tin slag on the welding head is cleaned, meanwhile, hot air can be exhausted from the air duct to heat the tin slag on the welding head, the cleaning effect is improved, it is avoided that the tin slag left on the welding head influences welding of workpieces, and the reject ratio is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of automatic welding, and in particular to automatic pressure adjustment welding equipment. Background Art

[0002] Pulse hot pressing welding machine is used to weld FPC, PCB, LED display, cable, terminal, USB connector and other products.

[0003] Most existing pulse hot press welding machines cannot visually and in detail check the welding status during the welding process. It is necessary to use other tools to check the welding status, which is time-consuming and labor-intensive. In addition, problems cannot be found in time, which easily leads to a large number of defective products, thereby increasing the number of reworked products and increasing production costs.

[0004] The existing patent discloses (publication number: CN212704879U) a pulse hot press welding machine, including a base, a chassis, a tin wire rack, a power part, a tin wire roll, a welding head mechanism, a welding gun, a driving part, a motor, a screw assembly, a moving block, a tin nozzle, a temperature sensor, an air nozzle and other structures. By adjusting the clamp seat to be directly below the industrial camera, when the welding head mechanism welds the workpiece, the industrial camera can shoot the real-time welding situation, so that workers can find problems in time through observation and improve the product yield;

[0005] Although the existing patent can solve the problem of causing a large number of defective products, the welding machine in the existing patent will leave tin slag on the welding head during welding. If it is not cleaned, it will cause the welding points on the workpiece to be overlaid during pressure welding, resulting in defective products. Utility Model Content

[0006] The purpose of the present application is to provide a welding device with automatic pressure adjustment to solve the problem in the above-mentioned background technology that tin slag will remain on the welding head, resulting in surfacing of welding points on the workpiece during pressure welding.

[0007] To achieve the above-mentioned objectives, the present application provides the following technical solutions: automatic pressure adjustment welding equipment, comprising a base and a main unit fixedly connected to the base, the base also being connected to a tin cleaning mechanism and a welding platform, a servo moving mechanism being fixedly connected to an outer surface of one side of the main unit, and a pressure sensor being fixedly connected to a moving end of the servo moving mechanism, a welding head being fixedly connected to a detection end of the pressure sensor, an air duct being fixedly connected to an outer surface of one side of the pressure sensor, and an air outlet of the air duct and the welding head being located on the same horizontal plane.

[0008] In one embodiment, the tin cleaning machine includes a guide rail fixedly connected to the base, a motor box slidably connected to the guide rail, a tin storage box fixedly connected to the outer surface of one side of the motor box, a slide groove opened inside the base, a connecting seat slidably connected inside the slide groove and fixedly connected to the motor box at one end, and a cylinder fixedly connected to the side of the base away from the main machine, and the telescopic end of the cylinder is fixedly connected to the other end of the connecting seat.

[0009] In one embodiment, a servo motor is fixedly connected to the internal cavity of the motor box, and the output shaft of the servo motor passes through the motor box and is fixedly connected to a brush. A groove is provided inside the tin storage box, and the opening of the groove faces the welding head, and the brush is located in the groove inside the tin storage box.

[0010] In one embodiment, two stripping plates for scraping solder off the brush are symmetrically fixedly connected to the inner wall of the trough body, and the two stripping plates are provided with scraping grooves matching the bristles on the outer surface of the brush on the adjacent sides of the brush.

[0011] In one embodiment, the welding platform includes a guide rail 2 fixedly connected to the side adjacent to the base and the main machine, a slide seat slidably connected to the guide rail 2, a fixing clamp fixedly connected to the slide seat on the side away from the base, a slide groove 2 opened inside the base, and a cylinder 2 fixedly connected to the side away from the base and the main machine, and an extension end matching the size of the slide groove 2 is provided on the side adjacent to the base, and the extension end passes through the slide groove 2 and is fixedly connected to the telescopic end of the cylinder 2.

[0012] In one embodiment, a display screen is fixedly connected to the outer surface of one side of the host, and a mounting frame is fixedly connected to the outer surface of the side adjacent to the servo moving mechanism of the host, a CCD camera is fixedly connected to the end of the mounting frame facing away from the host, and the CCD camera is located above the welding platform.

[0013] Compared with the prior art, the beneficial effects of this application are:

[0014] The present application provides a tin cleaning mechanism on the base, and a cylinder can drive the motor box and the tin storage box to move, so that the tin storage box can be moved to the bottom of the welding head, and the servo moving mechanism drives the welding head to descend so that the welding head can enter the tin storage box, and the motor drives the brush inside the tin storage box to rotate to clean the residual tin slag on the welding head. At the same time, hot air can be discharged from the air duct to heat the tin slag on the welding head, thereby improving the cleaning effect, avoiding the tin slag remaining on the welding head to affect the welding of the workpiece, and reducing the defective rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the guide rail 1 and the guide rail 2 of this application;

[0016] Figure 2 This is a schematic diagram of the overall structure of this application;

[0017] Figure 3 This is a schematic diagram of the structure of cylinder 1 and cylinder 2 of this application;

[0018] Figure 4 This is a schematic diagram of the motor box, tin storage box, and brush structure of this application;

[0019] Figure 5 This is a schematic diagram of the stripping plate structure for this application.

[0020] In the figure: 1. Main unit; 2. Display screen; 3. Servo moving mechanism; 4. Mounting bracket; 5. CCD camera; 6. Pressure sensor; 7. Welding head; 8. Air duct; 9. Tin cleaning mechanism; 91. Guide rail 1; 92. Cylinder 1; 93. Connecting seat; 94. Slide 1; 95. Motor box; 96. Tin storage box; 97. Brush; 98. Stripping plate; 10. Welding platform; 101. Fixing fixture; 102. Guide rail 2; 103. Slide seat; 104. Slide 2; 105. Cylinder 2; 11. Base. DETAILED DESCRIPTION

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

[0022] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0023] Example:

[0024] See also Figure 1-5The present application provides a technical solution: a pressure automatic adjustment welding device, comprising a base 11 and a main machine 1 fixedly connected to the base 11, the base 11 is also connected to a tin cleaning mechanism 9 and a welding platform 10, the tin cleaning mechanism 9 is used to clean the residual tin slag on the welding head 7, the welding platform 10 is used to move the fixture and the workpiece fixed in the fixture, the outer surface of one side of the main machine 1 is fixedly connected to a servo moving mechanism 3, the servo moving mechanism 3 adopts a transmission method of a motor plus a screw rod, which can drive a pressure sensor 6 to move up and down, and the moving end of the servo moving mechanism 3 is fixedly connected to a pressure sensor 6, and the detection end of the pressure sensor 6 is fixedly connected to a welding head 7, when the welding head 7 is pressed down on the workpiece When performing welding, the pressure sensor 6 can detect the welding pressure. The pressure sensor 6 and the welding head 7 are both mature technologies in this field and will not be described in detail here. An air duct 8 is fixedly connected to the outer surface of one side of the pressure sensor 6, and the air outlet of the air duct 8 is located at the same horizontal plane as the welding head 7. In actual use, the air duct 8 can be connected to the pipeline. At the end of welding, cold air is sent into the pipeline and discharged from the air duct 8 to blow on the welding head 7 and the workpiece, which can cool down and solidify the solder joints on the workpiece. When the tin cleaning mechanism 9 cleans the welding head 7, hot air is sent into the pipeline and discharged from the air duct 8 to blow on the welding head 7, which can heat the tin slag on the welding head 7, so that the tin cleaning mechanism 9 can clean the tin slag more thoroughly.

[0025] See also Figure 1 and Figure 3 In this embodiment, the tin cleaning machine includes a guide rail 91 fixedly connected to the base 11, a motor box 95 slidably connected to the guide rail 91, a tin storage box 96 fixedly connected to the outer surface of one side of the motor box 95, a slide groove 94 opened inside the base 11, a connecting seat 93 slidably connected inside the slide groove 94 and fixedly connected to the motor box 95 at one end, and a cylinder 92 fixedly connected to the side of the base 11 away from the main machine 1, and the telescopic end of the cylinder 92 is fixedly connected to the other end of the connecting seat 93, and the cylinder 92 is extended to push the connecting seat 93 to move. When the connecting seat 93 moves, it drives the motor box 95 to slide on the guide rail 91, thereby moving the motor box 95 and the tin storage box 96 to the bottom of the welding head 7.

[0026] See also Figure 4In this embodiment, a servo motor is fixedly connected to the internal cavity of the motor box 95, and the output shaft of the servo motor passes through the motor box 95 and is fixedly connected to a brush 97. When the tin storage box 96 moves to the bottom of the welding head 7, the servo moving mechanism 3 drives the welding head 7 to move toward the tin storage box 96, so that the welding head 7 can contact the brush 97. The servo motor drives the brush 97 to rotate to clean the tin slag remaining on the welding head 7. A groove is opened inside the tin storage box 96, and the opening of the groove faces the welding head 7. The brush 97 is located in the groove inside the tin storage box 96.

[0027] See also Figure 5 In this embodiment, two stripping plates 98 for scraping off the solder on the brush 97 are symmetrically fixedly connected to the inner wall of the trough body, and the two stripping plates 98 are provided with scraping grooves matching the bristles on the outer surface of the brush 97 on the adjacent sides of the brush 97. When the brush 97 rotates, the bristles pass through the scraping grooves, and the tin slag on the bristles contacts the stripping plates 98, thereby scraping off the tin slag on the bristles.

[0028] See also Figure 1-Figure 3 In this embodiment, the welding platform 10 includes a guide rail 102 fixedly connected to the side of the base 11 adjacent to the main machine 1, a slide 103 slidably connected to the guide rail 102, a fixing fixture 101 fixedly connected to the slide 103 on the side away from the base 11, a slide groove 104 provided inside the base 11, and a cylinder 105 fixedly connected to the side away from the base 11 and the main machine 1. The slide 103 is provided with an extension end matching the size of the slide groove 104 on the side adjacent to the base 11, and the extension end passes through the slide groove 104 and is fixedly connected to the telescopic end of the cylinder 105. The workpiece to be welded is fixed in the fixing fixture 101, and the slide 103 is driven to move by the contraction of the cylinder 105, so that the fixing fixture 101 is moved to the bottom of the welding head 7, and the welding head 7 descends to contact the workpiece to complete the welding.

[0029] See also Figure 1 In this embodiment, a display screen 2 is fixedly connected to the outer surface of one side of the host 1, and a mounting frame 4 is fixedly connected to the outer surface of the side adjacent to the servo moving mechanism 3 of the host 1. A CCD camera 5 is fixedly connected to the end of the mounting frame 4 that is away from the host 1, and the CCD camera 5 is located above the welding platform 10. The CCD camera 5 is used to detect the welding part, timely discover the workpiece with poor welding, and improve the yield rate.

[0030] The above shows and describes the basic principles and main features of the present application and the advantages of the present application. For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or basic features of the present application; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present application is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the present application, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0031] Although the embodiments of the present application 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 application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A pressure automatic adjustment welding device, comprising a base (11) and a main machine (1) fixedly connected to the base (11), characterized in that: The base (11) is also connected to a tin cleaning mechanism (9) and a welding platform (10); a servo moving mechanism (3) is fixedly connected to the outer surface of one side of the main machine (1); a pressure sensor (6) is fixedly connected to the moving end of the servo moving mechanism (3); a welding head (7) is fixedly connected to the detection end of the pressure sensor (6); an air duct (8) is fixedly connected to the outer surface of one side of the pressure sensor (6); and an air outlet of the air duct (8) and the welding head (7) are located on the same horizontal plane.

2. The pressure automatic adjustment welding equipment according to claim 1, characterized in that: The tin cleaning machine comprises a guide rail (91) fixedly connected to a base (11), a motor box (95) slidably connected to the guide rail (91), a tin storage box (96) fixedly connected to an outer surface of one side of the motor box (95), a slide groove (94) provided inside the base (11), a connecting seat (93) slidably connected inside the slide groove (94) and fixedly connected to the motor box (95) at one end, and a cylinder (92) fixedly connected to the base (11) on a side away from the main machine (1), and the telescopic end of the cylinder (92) is fixedly connected to the other end of the connecting seat (93).

3. The pressure automatic adjustment welding equipment according to claim 2, characterized in that: A servo motor is fixedly connected to the internal cavity of the motor box (95), and the output shaft of the servo motor passes through the motor box (95) and is fixedly connected to a brush (97). A groove is provided inside the tin storage box (96), and the opening of the groove faces the welding head (7). The brush (97) is located in the groove inside the tin storage box (96).

4. The automatic pressure adjustment welding equipment according to claim 3 is characterized in that: Two stripping plates (98) for scraping off solder from the brush (97) are symmetrically fixedly connected to the inner wall of the trough body, and the two stripping plates (98) are provided with scraping grooves matching the bristles on the outer surface of the brush (97) on the adjacent sides of the brush (97).

5. The pressure automatic adjustment welding equipment according to claim 1, characterized in that: The welding platform (10) comprises a second guide rail (102) fixedly connected to a side of the base (11) adjacent to the main machine (1), a slide seat (103) slidably connected to the second guide rail (102), a fixing fixture (101) fixedly connected to the slide seat (103) on a side away from the base (11), a second slide groove (104) provided inside the base (11), and a second cylinder (105) fixedly connected to a side away from the base (11) and the main machine (1), wherein an extension end matching the size of the second slide groove (104) is provided on a side of the slide seat (103) adjacent to the base (11), and the extension end passes through the second slide groove (104) and is fixedly connected to the telescopic end of the second cylinder (105).

6. The pressure automatic adjustment welding equipment according to claim 1, characterized in that: A display screen (2) is fixedly connected to an outer surface of one side of the host (1), and a mounting frame (4) is fixedly connected to an outer surface of a side of the host (1) adjacent to the servo moving mechanism (3). A CCD camera (5) is fixedly connected to an end of the mounting frame (4) facing away from the host (1), and the CCD camera (5) is located above the welding platform (10).

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