Tin bar heating device for circuit board welding

Abstract

The utility model provides a tin bar heating device for circuit board welding, which comprises a metal heating pipe, a heat insulation sleeve is fixedly arranged on the outer wall of the top end of the metal heating pipe, an inner cavity is arranged in the metal heating pipe, a plugging mechanism is arranged in the inner cavity, and the plugging mechanism comprises a fixing plate. The outlet and the circuit board do not need to be extruded mutually, the poking wheel is directly poked, the poking wheel drives the stop lever to ascend through the fixing block, tin liquid can be conveniently discharged from the outlet, the circuit board is prevented from being scratched or damaged, and practicability is high; after the tin liquid is discharged, the shifting wheel is loosened, the stop lever is reset under the pulling force of the spring, the bottom end of the stop lever can block the outlet, operation is easy, use is convenient, the rotating wheel is shifted, the tin bar can be moved into the metal heating pipe through the putting-in opening, and the tin liquid can be conveniently supplemented into the inner cavity; and a user can hold the device conveniently through the heat insulation sleeve and the anti-skid lines.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board welding, in particular to a tin bar heating device for circuit board welding. Background Art

[0002] Electric soldering irons and tin bars are used for circuit board welding. The Chinese utility model patent with publication number CN220178369U proposes a tin bar heating device for circuit board welding, including a shell, a heating tube, a delivery tube, a soldering nozzle, a control component and a delivery component. The heating tube and the delivery tube are both located inside the shell, the delivery tube is located below the heating tube, the soldering nozzle is located at the lower end outlet of the heating tube, the control component is located inside the heating tube, the control component is used to control the gap between the soldering nozzle and the inner wall of the heating tube, the delivery component is located inside the shell, and the delivery component is used to move the tin bar relative to the delivery tube.

[0003] The above technical solution presses down the device to retract the soldering nozzle into the heating tube, and the tin liquid flows out. The device is lifted, and the spring pushes the spherical resistor to push the soldering nozzle to reset the sealed heating tube, thereby controlling the flow of the tin liquid and preventing excessive tin liquid from damaging the components on the circuit board. However, the soldering nozzle is pointed, and when the device is pressed down, the soldering nozzle will contact the circuit board, which may easily cause scratches or even damage the circuit board, and has low practicality.

[0004] To this end, the utility model provides a tin bar heating device for circuit board welding. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model aims to provide a tin bar heating device for circuit board welding to solve the problems raised in the above-mentioned background technology. The utility model blocks the outlet by a baffle rod, and there is no need to squeeze the outlet and the circuit board against each other. The paddle wheel is directly turned, and the paddle wheel drives the baffle rod to rise through the fixed block, which facilitates the discharge of the tin liquid from the outlet and avoids scratches or damage to the circuit board. The utility model is highly practical.

[0006] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a tin bar heating device for circuit board welding, comprising a metal heating tube, a heat-insulating sleeve is fixedly installed on the outer wall of the top end of the metal heating tube, an inner cavity is opened inside the metal heating tube, a sealing mechanism is arranged inside the inner cavity, the sealing mechanism comprises a fixed plate, a dial wheel is movably installed inside the heat-insulating sleeve through a rotating shaft, a baffle rod is slidably installed inside the fixed plate, the baffle rod is in the shape of a "T", a fixed block is fixedly arranged on one side of the top end of the baffle rod, and a second fixed block is fixedly arranged on the side of the dial wheel at an equal distance.

[0007] Furthermore, a spring is fixedly installed between the top end of the blocking rod and the fixing plate, and the spring is sleeved on the blocking rod.

[0008] Furthermore, a channel is provided inside the top end of the barrier rod, and through holes are provided on both sides of the bottom end of the channel corresponding to the inside of the barrier rod.

[0009] Furthermore, the through hole is communicated with the inner cavity, and an outlet is provided at the bottom end of the metal heating tube, and the outlet is communicated with the inner cavity.

[0010] Furthermore, the bottom end of the blocking rod is arranged inside the outlet.

[0011] Furthermore, an inlet is provided at the top end of the metal heating tube and the top end of the heat insulating sleeve, and the inner end of the inlet is arranged inside the channel.

[0012] Furthermore, a rotating wheel is movably mounted on the bottom of the insertion port corresponding to the interior of the heat insulation sleeve via a shaft.

[0013] Furthermore, the outer wall of the heat insulation sleeve is provided with anti-slip grooves.

[0014] The beneficial effects of the utility model: the utility model provides a tin bar heating device for circuit board welding, and the outlet is blocked by a blocking rod. There is no need to squeeze the outlet and the circuit board against each other. The dial wheel is directly turned, and the dial wheel drives the blocking rod to rise through the fixed block, so that the tin liquid is conveniently discharged from the outlet to avoid scratches or damage to the circuit board. The utility model is highly practical. After the tin liquid is discharged, the dial wheel is released, and the blocking rod is reset under the tension of the spring, and the bottom end of the blocking rod can block the outlet. The operation is simple and easy to use. By turning the rotating wheel, the rotating wheel can move the tin bar through the inlet into the interior of the metal heating tube, so that the tin liquid is conveniently added to the interior of the inner cavity. The heat insulation sleeve and the anti-slip groove are used to facilitate users to hold the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural diagram of a tin bar heating device for circuit board welding according to the utility model;

[0016] Figure 2 This is a cross-sectional view of a tin bar heating device for circuit board welding according to the utility model;

[0017] Figure 3 The utility model is a tin bar heating device for circuit board welding Figure 2 Enlarged view of point A in the middle;

[0018] In the figure: 1. metal heating tube; 2. outlet; 3. insulation sleeve; 4. inlet; 5. rotating wheel; 6. dial wheel; 7. inner cavity; 8. fixing plate; 9. stop rod; 10. channel; 11. through hole; 12. spring; 13. fixing block. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] See also Figures 1 to 3 The utility model provides a technical solution: a tin bar heating device for circuit board welding, comprising a metal heating tube 1, a heat insulating sleeve 3 is fixedly installed on the outer wall of the top end of the metal heating tube 1, an inner cavity 7 is opened inside the metal heating tube 1, a sealing mechanism is arranged inside the inner cavity 7, and the sealing mechanism comprises a fixing plate 8, a thumb wheel 6 is movably installed inside the heat insulating sleeve 3 through a rotating shaft, a baffle 9 is slidably installed inside the fixing plate 8, and the baffle 9 is in a "T" shape, a fixing block 13 is fixedly arranged on one side of the top end of the baffle 9, and a second fixing block is fixedly arranged equidistantly on the side of the thumb wheel 6, the baffle 9 is conveniently squeezed by the action of the thumb wheel 6, the fixing block 13 and the second fixing block, and the baffle 9 can be moved out from the inside of the outlet 2, so as to conveniently discharge the tin liquid inside the inner cavity 7.

[0021] In this embodiment, a spring 12 is fixedly installed between the top of the baffle rod 9 and the fixed plate 8, and the spring 12 is sleeved on the baffle rod 9. A channel 10 is opened inside the top of the baffle rod 9, and through holes 11 are opened inside the baffle rod 9 on both sides of the bottom end of the channel 10, corresponding to the inner part of the baffle rod 9, and the through holes 11 are connected with the inner cavity 7. An outlet 2 is opened at the bottom end of the metal heating tube 1, and the outlet 2 is connected with the inner cavity 7. The bottom end of the baffle rod 9 is arranged inside the outlet 2. The baffle rod 9 can move downward under the pulling force of the spring 12, and the bottom end of the baffle rod 9 enters the inside of the outlet, which is convenient for blocking the outlet 2. The tin liquid can be discharged downward through the set channel 10 and through holes 11.

[0022] In this embodiment, an inlet 4 is provided at the top of the metal heating tube 1 and the top of the insulation sleeve 3. The inner end of the inlet 4 is arranged inside the channel 10. The bottom of the inlet 4 corresponds to the inside of the insulation sleeve 3 and a rotating wheel 5 is movably installed through an axis rod. The tin bar inside the inlet 4 can be moved by the rotating wheel 5, so as to facilitate the addition of tin liquid into the inner cavity 7.

[0023] In this embodiment, the outer wall of the heat insulation sleeve 3 is provided with anti-skid grooves, which can improve the anti-skid property of the device and facilitate the holding of the device.

[0024] When using the tin bar heating device for circuit board welding, the metal heating tube 1 is connected to the soldering station, the tin bar is inserted into the inlet 4, and the rotating wheel 5 is rotated. The rotating wheel 5 moves the tin bar inside the inlet 4, and the tin bar is heated by the metal heating tube 1, so that the tin bar melts and enters the inner cavity 7 through the channel 10 and the through hole 11. The bottom end of the baffle rod 9 enters the inside of the Chukou 2 under the pulling force of the spring 12, and the outlet 2 is blocked by the baffle rod 9. There is no need to squeeze the outlet 2 and the circuit board against each other. The dial wheel 6 is directly turned, and the dial wheel 6 drives the baffle rod 9 to rise through the fixed block 13 and the second fixed block. The bottom end of the baffle rod 9 is moved out from the inside of the outlet 2, which is convenient for discharging the tin liquid from the outlet 2 to avoid scratches or damage to the circuit board. The utility model has high practicality, simple operation and convenient use.

[0025] In addition, it should be understood that although the present specification is described in accordance with the implementation modes, not every implementation mode includes only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form a tin bar heating device for circuit board welding that can be understood by those skilled in the art, including a metal heating tube 1, a heat insulation sleeve 3 is fixedly installed on the outer wall of the top end of the metal heating tube 1, an inner cavity 7 is opened inside the metal heating tube 1, and a blocking mechanism is arranged inside the inner cavity 7, and the blocking mechanism includes a fixing plate 8, a thumb wheel 6 is movably installed inside the heat insulation sleeve 3 through a rotating shaft, and a baffle 9 is slidably installed inside the fixing plate 8, and the baffle 9 is in a "T" shape. A fixing block 13 is fixedly arranged on one side of the top end of the baffle 9, and a second fixing block is fixedly arranged on the side of the thumb wheel 6 at an equal distance. The baffle 9 is conveniently squeezed by the action of the thumb wheel 6, the fixing block 13, and the second fixing block, and the baffle 9 can be moved out from the inside of the outlet 2, so as to facilitate the discharge of the tin liquid inside the inner cavity 7.

[0026] In this embodiment, a spring 12 is fixedly installed between the top of the baffle rod 9 and the fixed plate 8, and the spring 12 is sleeved on the baffle rod 9. A channel 10 is opened inside the top of the baffle rod 9, and through holes 11 are opened inside the baffle rod 9 on both sides of the bottom end of the channel 10, corresponding to the inner part of the baffle rod 9, and the through holes 11 are connected with the inner cavity 7. An outlet 2 is opened at the bottom end of the metal heating tube 1, and the outlet 2 is connected with the inner cavity 7. The bottom end of the baffle rod 9 is arranged inside the outlet 2. The baffle rod 9 can move downward under the pulling force of the spring 12, and the bottom end of the baffle rod 9 enters the inside of the outlet, which is convenient for blocking the outlet 2. The tin liquid can be discharged downward through the set channel 10 and through holes 11.

[0027] In this embodiment, an inlet 4 is provided at the top of the metal heating tube 1 and the top of the insulation sleeve 3. The inner end of the inlet 4 is arranged inside the channel 10. The bottom of the inlet 4 corresponds to the inside of the insulation sleeve 3 and a rotating wheel 5 is movably installed through an axis rod. The tin bar inside the inlet 4 can be moved by the rotating wheel 5, so as to facilitate the addition of tin liquid into the inner cavity 7.

[0028] In this embodiment, the outer wall of the heat insulation sleeve 3 is provided with anti-skid grooves, which can improve the anti-skid property of the device and facilitate the holding of the device.

[0029] When using the tin bar heating device for circuit board soldering, the metal heating tube 1 is connected to the soldering station, the tin bar is inserted into the inlet 4, and the rotating wheel 5 is rotated. The rotating wheel 5 moves the tin bar in the inlet 4, and the tin bar is heated by the metal heating tube 1, so that the tin bar is melted and enters the inner cavity 7 through the channel 10 and the through hole 11. The bottom end of the blocking rod 9 enters the inside of the Chukou 2 under the pulling force of the spring 12, and the outlet 2 is blocked by the blocking rod 9. There is no need to squeeze the outlet 2 and the circuit board against each other. The dial wheel 6 is directly turned, and the dial wheel 6 drives the blocking rod 9 to rise through the fixed block 13 and the second fixed block. The bottom end of the blocking rod 9 is moved out from the inside of the outlet 2, which is convenient for discharging the tin liquid from the outlet 2 to avoid scratches or damage to the circuit board. It is highly practical, simple to operate, and easy to use. Other embodiments.

Claims

1. A tin bar heating device for circuit board soldering, comprising a metal heating tube (1), characterized in that: A heat insulating sleeve (3) is fixedly mounted on the outer wall of the top end of the metal heating tube (1); an inner cavity (7) is provided inside the metal heating tube (1); a sealing mechanism is arranged inside the inner cavity (7); the sealing mechanism comprises a fixing plate (8); a dial wheel (6) is movably mounted inside the heat insulating sleeve (3) via a rotating shaft; a stopper (9) is slidably mounted inside the fixing plate (8); the stopper (9) is T-shaped; a fixing block (13) is fixedly mounted on one side of the top end of the stopper (9); and a second fixing block is fixedly mounted on the side of the dial wheel (6) at an equal distance.

2. The tin bar heating device for circuit board welding according to claim 1, characterized in that: A spring (12) is fixedly installed between the top end of the blocking rod (9) and the fixing plate (8), and the spring (12) is sleeved and installed on the blocking rod (9).

3. The tin bar heating device for circuit board welding according to claim 2, characterized in that: A channel (10) is provided inside the top end of the blocking rod (9), and through holes (11) are provided on both sides of the bottom end of the channel (10) corresponding to the inside of the blocking rod (9).

4. The tin bar heating device for circuit board welding according to claim 3, characterized in that: The through hole (11) is in communication with the inner cavity (7); an outlet (2) is provided at the bottom end of the metal heating tube (1); and the outlet (2) is in communication with the inner cavity (7).

5. The tin bar heating device for circuit board welding according to claim 4, characterized in that: The bottom end of the blocking rod (9) is arranged inside the outlet (2).

6. The tin bar heating device for circuit board welding according to claim 1, characterized in that: An inlet (4) is provided at the top end of the metal heating tube (1) and the top end of the heat insulating sleeve (3), and the inner end of the inlet (4) is arranged inside the channel (10).

7. A tin bar heating device for circuit board welding according to claim 6, characterized in that: A rotating wheel (5) is movably mounted on the bottom of the insertion port (4) corresponding to the interior of the heat insulation sleeve (3) via a shaft.

8. The tin bar heating device for circuit board welding according to claim 1, characterized in that: The outer wall of the heat insulation sleeve (3) is provided with anti-slip grooves.

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