Tin soldering machine with precise positioning function

Abstract

The utility model discloses a soldering machine capable of accurately positioning, which relates to the field of soldering machines and comprises a workbench, a soldering component and a third fixing plate, and support columns are symmetrically mounted at the top of the workbench. According to the tin soldering machine with the precise positioning function, through the arranged electric lead screw, the motor can drive the bearing assembly to reciprocate back and forth along the top of the workbench during operation; when the bearing assembly drives the bearing mold to move to the position under the infrared sensor (at the moment, the foremost end of the bearing mold just moves to the position under the infrared sensor), the infrared sensor automatically senses the position of the bearing mold. And the two infrared sensors are symmetrically arranged under the top plate, and the sensing areas of the infrared sensors are arranged at the edge of the bearing mold, so that when the infrared sensors on the left side and the right side sense the bearing mold, it is indicated that the position of the bearing mold is completely moved to the designated position, and the purpose of accurate positioning is achieved.

Description

Technical Field

[0001] The utility model relates to the field of soldering machines, in particular to a precisely positioned soldering machine. Background Art

[0002] A soldering machine generally refers to a device that performs soldering operations on PCB boards. Existing soldering machines can be roughly divided into automatic soldering machines, hot air soldering machines, and lead-free reflow soldering machines. They are mainly used in circuit board manufacturing in electronics factories and are one of the indispensable equipment in circuit board production.

[0003] However, the current soldering machines still have some shortcomings. For example, the existing soldering machines have poor positioning effects, which makes it easy for the circuit board to be positioned offset when the soldering machine is fixing the circuit board to be soldered (such as: the clamp is loose, the clamp is not moved into place, etc.), thereby causing certain interference to the subsequent soldering process of the welding gun (such as: the welding position deviates, the welding gun collides with the clamp, etc.), and thus there are certain usage defects.

[0004] Therefore, it is urgent to improve this shortcoming. The utility model studies and improves the existing structural deficiencies and provides a soldering machine with precise positioning. Utility Model Content

[0005] The purpose of the utility model is to provide a precisely positioned soldering machine to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a precisely positioned soldering machine, comprising a workbench, a soldering assembly and a third fixed plate, the top of the workbench is symmetrically installed with support columns, and the top of the support columns is fixedly installed with a top plate, and the top of the top plate is fixedly connected with a first fixed plate, and the internal rotation of the first fixed plate is connected with a one-way driving screw rod, and the end of the one-way driving screw rod is installed with a first motor, the soldering assembly is slidably connected to the bottom of the top plate left and right, and the bottom of the top plate is fixedly installed with a second fixed plate, and the bottom of the top plate is slidably connected with an adjustment assembly, and the bottom of the adjustment assembly is fixed by bolts. An infrared sensor is installed, and the infrared sensor is arranged on the front side of the soldering component. The third fixed plate is fixedly installed at the bottom of the workbench, and the third fixed plate is internally rotatably connected to an electric screw, and the top of the workbench is slidably connected to a load-bearing component, and the bottom of the load-bearing component is fixedly connected to a fourth fixed plate, and the fourth fixed plate is internally rotatably connected to a bidirectional drive screw, and a second motor is installed at the end of the bidirectional drive screw, and the second motor is connected to the bottom of the load-bearing component through a bracket, and the top of the load-bearing component is slidably connected to a clamping and positioning component, and a load-bearing mold is placed on the top of the load-bearing component.

[0007] Furthermore, the soldering assembly includes a connecting assembly, a lifting cylinder and a soldering gun, and the lifting cylinder is installed at the bottom of the connecting assembly through a bracket, and the soldering gun is installed at the extended end of the lifting cylinder, and the connecting assembly is driven by a one-way driving screw.

[0008] Furthermore, the adjustment assembly includes a mounting seat, a connecting plate, a threaded adjustment rod and a T-shaped slider, and the connecting plate is fixedly installed on the bottom side of the mounting seat, and the threaded adjustment rod is rotatably connected inside the connecting plate, and the side of the threaded adjustment rod is connected to the internal thread of the second fixed plate, and the T-shaped slider is fixedly installed on the top of the mounting seat.

[0009] Furthermore, the top of the mounting seat is fixedly connected to the bottom of the T-shaped slider, and the mounting seat forms a sliding structure with the top plate through the T-shaped slider.

[0010] Furthermore, the forward and backward movement of the bearing assembly is driven by the rotation of the electric screw, and the rotation of the electric screw and the rotational force of the unidirectional drive screw are both driven by a motor.

[0011] Furthermore, the clamping and positioning assembly includes an L-shaped positioning plate, a guide slider and a connecting mechanism, and the guide slider is fixedly installed on the bottom of the L-shaped positioning plate, and the bottom of the guide slider is fixedly connected to the connecting mechanism, and the interior of the connecting mechanism is movably connected to the side of the bidirectional drive screw.

[0012] Furthermore, the bottom of the L-shaped positioning plate is fixedly connected to the top of the guide slider, and the L-shaped positioning plate forms a sliding structure with the bearing assembly through the guide slider.

[0013] Furthermore, the inner surface size of the L-shaped positioning plate is completely consistent with the side size of the bearing mold, and the inner surface of the L-shaped positioning plate and the side of the bearing mold form a snap-fit ​​structure.

[0014] The utility model provides a precisely positioned soldering machine, which has the following beneficial effects:

[0015] 1. The utility model is provided with an electric screw, so that the motor can drive the carrying component to move back and forth along the top of the workbench during operation. When the carrying component drives the carrying mold to move to the bottom of the infrared sensor (at this time, the front end of the carrying mold just moves to the bottom of the infrared sensor), the infrared sensor automatically senses the position of the carrying mold, and because the two infrared sensors are symmetrically arranged just below the top plate and the sensing area of ​​the infrared sensor is arranged at the edge of the carrying mold, when the infrared sensors on both sides sense the carrying mold, it indicates that the position of the carrying mold has been completely moved to the specified position, so as to achieve the purpose of precise positioning, thereby avoiding the situation where the circuit board is offset when the soldering machine is fixing the circuit board to be soldered, causing interference with the subsequent soldering process of the welding gun.

[0016] 2. The utility model provides a threaded adjustment rod and a second fixed plate, so that the staff can adjust the position of the infrared sensor left and right when driving the threaded adjustment rod to rotate inside the second fixed plate, so that the infrared sensor can position the bearing molds of more sizes, and the bidirectional driving screw is provided, so that the second motor can drive the clamping and positioning components on both sides to move synchronously in opposite directions during operation, so as to achieve the purpose of centering the bearing molds of different widths, so that the soldering machine can process PCB boards of more sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front cross-sectional structural schematic diagram of a precisely positioned soldering machine of the utility model;

[0018] Figure 2 The utility model is a kind of soldering machine with precise positioning Figure 1 A schematic diagram of the structure enlargement in the middle;

[0019] Figure 3 The utility model is a schematic diagram of a three-dimensional structure of a mounting base and a connecting plate of a precisely positioned soldering machine.

[0020] In the figure: 1. workbench; 2. support column; 3. top plate; 4. first fixed plate; 5. one-way drive screw; 6. first motor; 7. soldering assembly; 71. connecting assembly; 72. lifting cylinder; 73. soldering gun; 8. second fixed plate; 9. adjustment assembly; 91. mounting seat; 92. connecting plate; 93. threaded adjustment rod; 94. T-shaped slider; 10. infrared sensor; 11. third fixed plate; 12. electric screw; 13. bearing assembly; 14. fourth fixed plate; 15. two-way drive screw; 16. second motor; 17. clamping and positioning assembly; 171. L-shaped positioning plate; 172. guide slider; 173. connecting mechanism; 18. bearing mold. DETAILED DESCRIPTION

[0021] The following is a further detailed description of the implementation of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0022] like Figure 1 and Figure 3 As shown, a precisely positioned soldering machine comprises a workbench 1, a soldering assembly 7 and a third fixed plate 11, a support column 2 is symmetrically installed on the top of the workbench 1, a top plate 3 is fixedly installed on the top of the support column 2, and a first fixed plate 4 is fixedly connected to the top of the top plate 3, and a one-way driving screw rod 5 is rotatably connected to the inside of the first fixed plate 4, and a first motor 6 is installed at the end of the one-way driving screw rod 5, and the soldering assembly 7 is slidably connected to the bottom of the top plate 3 left and right, and the soldering assembly 7 comprises a connecting assembly 71, a lifting cylinder 72 and a soldering gun 73, and a lifting cylinder 72 is installed at the bottom of the connecting assembly 71 through a bracket, and the lifting cylinder 73 is installed at the bottom of the connecting assembly 71. A soldering gun 73 is installed at the extended end of the cylinder 72, and the connecting assembly 71 is driven by a one-way driving screw 5, and a second fixed plate 8 is fixedly installed at the bottom of the top plate 3, and an adjusting assembly 9 is slidably connected to the bottom of the top plate 3, and an infrared sensor 10 is installed at the bottom of the adjusting assembly 9 by bolts, and the infrared sensor 10 is arranged on the front side of the soldering assembly 7, a third fixed plate 11 is fixedly installed at the bottom of the workbench 1, and an electric screw 12 is rotatably connected to the inside of the third fixed plate 11, and a bearing assembly 13 is slidably connected to the top of the workbench 1, and a bearing mold 18 is placed on the top of the bearing assembly 13.

[0023] like Figure 1-Figure 3As shown, the top of the workbench 1 is symmetrically installed with a support column 2, and the top of the support column 2 is fixedly installed with a top plate 3, and the bottom of the top plate 3 is fixedly installed with a second fixed plate 8, and the bottom of the top plate 3 is slidably connected with an adjustment component 9, the adjustment component 9 includes a mounting seat 91, a connecting plate 92, a threaded adjustment rod 93 and a T-shaped slider 94, and the bottom side of the mounting seat 91 is fixedly installed with a connecting plate 92, and the inside of the connecting plate 92 is rotatably connected with a threaded adjustment rod 93, and the side of the threaded adjustment rod 93 is connected to the internal thread of the second fixed plate 8, and at the same time, a T-shaped slider 94 is fixedly installed on the top of the mounting seat 91, and the top of the mounting seat 91 is fixedly connected to the bottom of the T-shaped slider 94, and the mounting seat 91 is connected to the bottom of the T-shaped slider 94. The T-shaped slider 94 and the top plate 3 form a sliding structure. The mounting seat 91 and the top plate 3 are set as a sliding structure, so that the mounting seat 91 is more stable when moving left and right along the bottom of the top plate 3. In addition, the bottom of the adjustment component 9 is installed with an infrared sensor 10 by bolts, and the infrared sensor 10 is arranged on the front side of the soldering component 7. The third fixed plate 11 is fixedly installed at the bottom of the workbench 1, and the inner rotation of the third fixed plate 11 is connected to an electric screw rod 12, and the top of the workbench 1 is connected to a bearing component 13 for forward and backward sliding. The forward and backward movement of the bearing component 13 is driven by the rotation of the electric screw rod 12, and the rotation of the electric screw rod 12 and the rotational force of the one-way driving screw rod 5 are both driven by a motor. Moreover, the bottom of the bearing assembly 13 is fixedly connected with a fourth fixing plate 14, and the fourth fixing plate 14 is internally rotatably connected with a bidirectional driving screw rod 15, and the end of the bidirectional driving screw rod 15 is installed with a second motor 16, and the second motor 16 is connected to the bottom of the bearing assembly 13 through a bracket, and the top of the bearing assembly 13 is slidably connected to the clamping and positioning assembly 17, and the clamping and positioning assembly 17 includes an L-shaped positioning plate 171, a guide slider 172 and a connecting mechanism 173, and the bottom of the L-shaped positioning plate 171 is fixedly installed with a guide slider 172, and the bottom of the L-shaped positioning plate 171 is fixedly connected to the top of the guide slider 172, and the L-shaped positioning plate 171 is connected to the bearing assembly 1 through the guide slider 172. 3 constitutes a sliding structure, and the L-shaped positioning plate 171 and the bearing assembly 13 are set as the sliding structure, so that the L-shaped positioning plate 171 is more stable when moving along the top of the bearing assembly 13, the inner surface size of the L-shaped positioning plate 171 is completely consistent with the side size of the bearing mold 18, and the inner surface of the L-shaped positioning plate 171 and the side of the bearing mold 18 form a clamping structure, and the L-shaped positioning plate 171 and the bearing mold 18 are set as the clamping structure. The L-shaped positioning plate 171 is convenient for clamping and positioning the bearing mold 18, and the bottom of the guide slider 172 is fixedly connected with the connecting mechanism 173, and the inside of the connecting mechanism 173 is movably connected to the side of the bidirectional driving screw rod 15.

[0024] In summary, the precise positioning soldering machine is first based on Figures 1 to 3According to the structure shown in the figure, the staff grasps the threaded adjustment rod 93 and drives it to rotate inside the second fixed plate 8. At this time, through the connection of the connecting plate 92 and the sliding of the T-shaped slider 94, the mounting seat 91 drives the infrared sensor 10 to move left and right along the bottom of the top plate 3. When the distance between the sensing area of ​​the infrared sensor 10 and the center line of the top plate 3 reaches half the width of the bearing mold 18 to be used, the threaded adjustment rod 93 is stopped. Similarly, the infrared sensor 10 on the other side is adjusted to the specified position. Then the staff puts the PCB with the connector installed into the bearing mold 18 to be used. Then the staff places the bearing mold 18 on the top of the bearing assembly 13 and turns on the second motor 16 through the controller. When the second motor 16 starts to run, it drives the bidirectional drive screw 15 to rotate inside the fourth fixed plate 14. At this time, the guide slider 17 is used. 2 is connected with the connecting mechanism 173, so that the L-shaped positioning plates 171 on both sides can move synchronously in opposite directions, so as to achieve the purpose of centering the supporting mold 18. After the supporting mold 18 is fixed, the staff turns on the motor at the end of the electric screw rod 12 through the controller, so that the electric screw rod 12 starts to rotate inside the third fixing plate 11, and then the supporting assembly 13 drives the supporting mold 18 to move forward along the top of the workbench 1. When the infrared sensors 10 on the left and right sides sense the supporting mold 18, the motor at the end of the electric screw rod 12 stops running, which means that the supporting mold 18 moves to the specified position. Then the equipment sets the welding path, so that the first motor 6, the motor at the end of the electric screw rod 12 and the lifting cylinder 72 start running, so that the soldering gun 73 automatically performs soldering along the set path.

[0025] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A precisely positioned soldering machine, comprising a workbench (1), a soldering assembly (7) and a third fixing plate (11), characterized in that: The top of the workbench (1) is symmetrically mounted with a support column (2), and a top plate (3) is fixedly mounted on the top of the support column (2), and a first fixed plate (4) is fixedly connected to the top of the top plate (3), and a one-way drive screw rod (5) is rotatably connected inside the first fixed plate (4), and a first motor (6) is mounted on the end of the one-way drive screw rod (5), and the soldering assembly (7) is slidably connected to the bottom of the top plate (3) left and right, and a second fixed plate (8) is fixedly mounted on the bottom of the top plate (3), and an adjustment assembly (9) is slidably connected to the bottom of the top plate (3), and an infrared sensor (10) is mounted on the bottom of the adjustment assembly (9) by bolts, and the infrared sensor (10) is arranged on the front side of the soldering assembly (7), and the second fixed plate (8) is fixedly mounted on the bottom of the top plate (3). The three fixed plates (11) are fixedly mounted on the bottom of the workbench (1), and the third fixed plate (11) is internally rotatably connected to an electric screw (12), and the top of the workbench (1) is slidably connected to a bearing assembly (13) in a forward and backward manner, and the bottom of the bearing assembly (13) is fixedly connected to a fourth fixed plate (14), and the fourth fixed plate (14) is internally rotatably connected to a bidirectional driving screw (15), and a second motor (16) is installed at the end of the bidirectional driving screw (15), and the second motor (16) is connected to the bottom of the bearing assembly (13) through a bracket, and the top of the bearing assembly (13) is slidably connected to a clamping and positioning assembly (17), and a bearing mold (18) is placed in close contact with the top of the bearing assembly (13).

2. A precisely positioned soldering machine according to claim 1, characterized in that: The soldering assembly (7) comprises a connecting assembly (71), a lifting cylinder (72) and a soldering gun (73), wherein the lifting cylinder (72) is mounted on the bottom of the connecting assembly (71) via a bracket, and the soldering gun (73) is mounted on the extended end of the lifting cylinder (72), and the connecting assembly (71) is driven by a one-way driving screw (5).

3. The precise positioning soldering machine according to claim 1, characterized in that: The adjustment assembly (9) comprises a mounting seat (91), a connecting plate (92), a threaded adjustment rod (93) and a T-shaped slider (94), wherein the connecting plate (92) is fixedly mounted on the bottom side of the mounting seat (91), and the threaded adjustment rod (93) is rotatably connected inside the connecting plate (92), and the side of the threaded adjustment rod (93) is connected to the internal thread of the second fixed plate (8), and the T-shaped slider (94) is fixedly mounted on the top of the mounting seat (91).

4. The precise positioning soldering machine according to claim 3, characterized in that: The top of the mounting seat (91) is fixedly connected to the bottom of the T-shaped slider (94), and the mounting seat (91) forms a sliding structure with the top plate (3) through the T-shaped slider (94).

5. The precise positioning soldering machine according to claim 1, characterized in that: The forward and backward movement of the bearing assembly (13) is driven by the rotation of the electric screw (12), and the rotation of the electric screw (12) and the rotational force of the unidirectional driving screw (5) are both driven by a motor.

6. The precise positioning soldering machine according to claim 1, characterized in that: The clamping positioning assembly (17) comprises an L-shaped positioning plate (171), a guide slider (172) and a connecting mechanism (173), wherein the guide slider (172) is fixedly mounted on the bottom of the L-shaped positioning plate (171), and the connecting mechanism (173) is fixedly connected to the bottom of the guide slider (172), and the interior of the connecting mechanism (173) is movably connected to the side of the bidirectional driving screw rod (15).

7. The precise positioning soldering machine according to claim 6, characterized in that: The bottom of the L-shaped positioning plate (171) is fixedly connected to the top of the guide slider (172), and the L-shaped positioning plate (171) forms a sliding structure with the bearing assembly (13) through the guide slider (172).

8. The precise positioning soldering machine according to claim 6, characterized in that: The inner surface size of the L-shaped positioning plate (171) is completely consistent with the side size of the supporting mold (18), and the inner surface of the L-shaped positioning plate (171) and the side of the supporting mold (18) form a snap-fit ​​structure.

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