Reflow soldering fume collection device

Abstract

The utility model relates to the technical field of fixed brackets, specifically a reflow soldering smoke collection device. The utility model includes a smoke duct, one end of the smoke duct is provided with a fixing device, the fixing device includes a collection box, one side of the collection box is fixedly connected to the smoke duct, the interior of the collection box is fixedly connected with an exhaust fan, the interior of the collection box is fixedly connected with two fixing plates, the two fixing plates are provided with a T-shaped groove on one side close to each other, the interior of the T-shaped groove is slidably connected with a T-shaped plate, one side of the T-shaped plate is fixedly connected with an L-shaped plate, the short arm ends of the two L-shaped plates are slidably connected with a filter plate, one end of the two T-shaped plates is fixedly connected with a cover plate, one side of the cover plate is fixedly connected with a handle, and the outside of the cover plate is fixedly connected with a sealing frame. The utility model solves the problem that a traditional reflow soldering smoke collection device cannot filter smoke and causes air pollution after discharge.

Description

Technical Field

[0001] The utility model relates to the technical field of fixed brackets, in particular to a reflow soldering fume collection device. Background Art

[0002] The reflow oven provides a heating environment to melt the solder paste, thereby allowing the surface mounted components and the PCB circuit board to be firmly bonded together through the solder paste alloy.

[0003] For example, the publication number is CN220112519U, a reflow soldering smoke collection device, a smoke exhaust device is installed at the upper end of the soldering furnace box, the smoke exhaust device includes a first smoke duct, a second smoke duct, a third smoke duct and a recovery device, the lower end of the first smoke duct is connected to the middle of the upper end of the second smoke duct, the lower end of the second smoke duct is connected to multiple third smoke ducts at intervals, the lower ends of the third smoke ducts are respectively connected to the smoke exhaust holes on the reflow soldering furnace box, and a recovery device is set in the middle of the third smoke duct. The present application sets a recovery device in the reflow soldering smoke duct to reduce the risk of backflow of soldering smoke in the reflow zone, prevent the backflow of flux from affecting the normal soldering, ensure the soldering quality, and collect and recycle the flux.

[0004] In the above patent, the welding smoke in the reflow soldering furnace is extracted through the third flue, and the welding smoke flows to the first flue through the second flue and is discharged to the processing device for centralized processing. However, the smoke cannot be filtered during the collection process, which causes air pollution after discharge. Therefore, a reflow soldering smoke collection device is needed, which can filter the smoke when collecting the reflow soldering smoke. Summary of the invention

[0005] The utility model aims to solve the shortcomings of a traditional reflow soldering fume collecting device in the prior art, that is, the fume cannot be filtered and causes air pollution after being discharged, and proposes a reflow soldering fume collecting device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a reflow soldering smoke collection device, comprising a smoke duct, one end of the smoke duct is provided with a fixing device, the fixing device comprises a collection box, one side of the collection box is fixedly connected to the smoke duct, the interior of the collection box is fixedly connected with an exhaust fan, the interior of the collection box is fixedly connected with two fixing plates, the two fixing plates are provided with a T-shaped groove on one side close to each other, the interior of the T-shaped groove is slidably connected with a T-shaped plate, one side of the T-shaped plate is fixedly connected with an L-shaped plate, the short arm ends of the two L-shaped plates are slidably connected with filter plates, one end of the two T-shaped plates is fixedly connected with a cover plate, one side of the cover plate is fixedly connected with a handle, the outside of the cover plate is fixedly connected with a sealing frame, and the outside of the sealing frame is slidably connected to the collection box.

[0007] The effects achieved by the above components are: the handle is pulled to drive the cover plate to move, the cover plate drives the T-shaped plate to move, the T-shaped plate drives the L-shaped plate to move, and the L-shaped plate drives the filter plate to move.

[0008] Preferably, one side of the L-shaped plate is fixedly connected to a support plate, and one side of the support plate is fixedly connected to two telescopic rods.

[0009] The effects achieved by the above components are: the telescopic rod and the support plate are fixed.

[0010] Preferably, the output ends of the two telescopic rods are fixedly connected with an L-shaped movable plate, and one side of the L-shaped movable plate is fixedly connected with a clamping plate.

[0011] The effect achieved by the above components is: the movement of the L-shaped moving plate drives the clamping plate to move.

[0012] Preferably, one side of the clamping plate is fixedly connected with an anti-skid pad, and one side of the two anti-skid pads is slidably connected to the filter plate.

[0013] The effect achieved by the above components is: the anti-slip pad increases the friction force.

[0014] Preferably, the arc surface of the telescopic rod is sleeved with a spring, and two ends of the spring are respectively fixedly connected to the L-shaped moving plate and the supporting plate.

[0015] The effect achieved by the above components is that the telescopic rod prevents the spring from deforming during the stretching or contraction process.

[0016] Preferably, an internal thread block is fixedly connected to one side of the support plate, the internal thread of the internal thread block is connected to a screw rod, and the arc surface of the screw rod is threadedly connected to the L-shaped movable plate.

[0017] The effect achieved by the above components is: achieving the effect of limiting the L-shaped movable plate after the screw rod and the internal thread block are matched.

[0018] Preferably, a rotating device is provided inside the smoke duct, and the rotating device includes a fixed block, one side of the fixed block is fixedly connected to the smoke duct, a bearing is fixedly connected inside the fixed block, and a support block is fixedly connected to the inner side of the bearing.

[0019] The effect achieved by the above components is: the effect of the support block rotating in the bearing is achieved.

[0020] Preferably, one end of the support block is fixedly connected to a support rod, the arc surface of the support rod is rotatably connected to the smoke duct, and one end of the support rod is fixedly connected to a baffle.

[0021] The effect achieved by the above components is that the rotation of the baffle drives the support rod to rotate, thereby causing the support block to rotate.

[0022] Preferably, the arc surface of the baffle is fixedly connected to a fixing rod, the arc surface of the fixing rod is rotatably connected to the smoke duct, and one end of the fixing rod is fixedly connected to a rotating block.

[0023] The effect achieved by the above components is that the rotation of the rotating block drives the fixed rod to rotate, thereby causing the baffle to rotate.

[0024] In summary, the beneficial effects of the utility model are:

[0025] In the utility model, through the fixing device, when it is necessary to filter the collected smoke, the smoke duct is installed on the exhaust pipe of the reflow soldering furnace, and the exhaust fan is started to draw the smoke inside the reflow soldering furnace from the exhaust pipe and the smoke duct into the collection box, and the smoke inside the collection box is filtered and purified by the filter plate and discharged from the collection box. The fixing device solves the problem that a traditional reflow soldering smoke collection device cannot filter the smoke and causes air pollution after discharge.

[0026] In the utility model, when it is necessary to prevent the smoke dust inside the collection box from flowing back into the reflow soldering furnace after the smoke dust collecting device is closed, the baffle rotates through the rotating device, and the baffle completely closes the smoke dust duct to prevent the smoke dust from flowing back. Through the fixing device, the problem of a traditional reflow soldering smoke dust collecting device, in which the smoke dust flows back into the reflow soldering furnace and affects the soldering effect of the circuit board, is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0028] Figure 2 It is a structural schematic diagram of the fixed structure of the utility model;

[0029] Figure 3 It is a cross-sectional structural diagram of the fixing structure of the utility model;

[0030] Figure 4 It is a structural schematic diagram of the rotating structure of the utility model.

[0031] Legend: 1. Smoke duct; 2. Fixing device; 201. Collecting box; 202. Exhaust fan; 203. Fixing plate; 204. T-slot; 205. T-plate; 206. L-plate; 207. Telescopic rod; 208. Spring; 209. L-shaped movable plate; 210. Screw; 211. Clamping plate; 212. Anti-skid pad; 213. Sealing frame; 214. Handle; 215. Filter plate; 216. Cover plate; 217. Support plate; 218. Internal thread block; 3. Rotating device; 31. Fixing block; 32. Bearing; 33. Support block; 34. Support rod; 35. Baffle; 36. Fixing rod; 37. Rotating block. DETAILED DESCRIPTION

[0032] Reference Figure 1 As shown, the utility model provides a technical solution: a reflow soldering fume collecting device, comprising a fume duct 1, a fixing device 2 is provided at one end of the fume duct 1, and a rotating device 3 is provided inside the fume duct 1.

[0033] The specific configuration and function of the fixing device 2 and the rotating device 3 will be described in detail below.

[0034] Reference Figure 2 and Figure 3As shown, in this embodiment: the fixing device 2 includes a collecting box 201, one side of the collecting box 201 is fixedly connected to the smoke duct 1, the inside of the collecting box 201 is fixedly connected to the exhaust fan 202, the inside of the collecting box 201 is fixedly connected to two fixing plates 203, the two fixing plates 203 are each provided with a T-shaped slot 204 on one side close to each other, the inside of the T-shaped slot 204 is slidably connected to a T-shaped plate 205, one side of the T-shaped plate 205 is fixedly connected to an L-shaped plate 206, the short arm ends of the two L-shaped plates 206 are slidably connected to filter plates 215, one end of the two T-shaped plates 205 is fixedly connected to a cover plate 216, one side of the cover plate 216 is fixedly connected to a handle 214, the outside of the cover plate 216 is fixedly connected to a sealing frame 213, and the outside of the sealing frame 213 is slidably connected to the collecting box 201. The handle 214 is subjected to a pulling force to drive the cover plate 216 to move, the cover plate 216 drives the T-shaped plate 205 to move, the T-shaped plate 205 drives the L-shaped plate 206 to move, and the L-shaped plate 206 drives the filter plate 215 to move. One side of the L-shaped plate 206 is fixedly connected with a support plate 217, and one side of the support plate 217 is fixedly connected with two telescopic rods 207. The effect of fixing the telescopic rod 207 and the support plate 217 is achieved. The output ends of the two telescopic rods 207 are fixedly connected with an L-shaped moving plate 209, and one side of the L-shaped moving plate 209 is fixedly connected with a clamping plate 211. The effect of the L-shaped moving plate 209 moving and driving the clamping plate 211 to move is achieved. One side of the clamping plate 211 is fixedly connected with an anti-skid pad 212, and one side of the two anti-skid pads 212 is slidably connected with the filter plate 215. The effect of the anti-skid pad 212 increasing the friction force is achieved. The arc surface of the telescopic rod 207 is covered with a spring 208, and the two ends of the spring 208 are respectively fixedly connected to the L-shaped moving plate 209 and the support plate 217. The telescopic rod 207 prevents the spring 208 from deforming during the stretching or contraction process. One side of the support plate 217 is fixedly connected with an internal thread block 218, and the internal thread of the internal thread block 218 is connected with a screw rod 210, and the arc surface of the screw rod 210 is threadedly connected to the L-shaped moving plate 209. The screw rod 210 and the internal thread block 218 are matched to limit the L-shaped moving plate 209.

[0035] Reference Figure 4As shown, in this embodiment: the rotating device 3 includes a fixed block 31, one side of the fixed block 31 is fixedly connected to the smoke duct 1, a bearing 32 is fixedly connected inside the fixed block 31, and a support block 33 is fixedly connected to the inner side of the bearing 32. The effect of the support block 33 rotating in the bearing 32 is achieved. A support rod 34 is fixedly connected to one end of the support block 33, the arc surface of the support rod 34 is rotatably connected to the smoke duct 1, and a baffle 35 is fixedly connected to one end of the support rod 34. The effect of the baffle 35 rotating to drive the support rod 34 to rotate is achieved, so that the support block 33 rotates. A fixed rod 36 is fixedly connected to the arc surface of the baffle 35, the arc surface of the fixed rod 36 is rotatably connected to the smoke duct 1, and a rotating block 37 is fixedly connected to one end of the fixed rod 36. The effect of the rotating block 37 rotating to drive the fixed rod 36 to rotate is achieved, so that the baffle 35 rotates.

[0036] Working principle: through the fixing device 2, when the collected smoke needs to be filtered, the operator first installs the smoke duct 1 on the exhaust pipe of the reflow soldering furnace and starts the exhaust fan 202. The exhaust fan 202 starts to draw the smoke inside the reflow soldering furnace from the exhaust pipe and the smoke duct 1 into the collection box 201. The smoke inside the collection box 201 is purified by the filter plate 215 and discharged from the collection box 201. The fixing device 2 solves the problem that a traditional reflow soldering smoke collection device cannot filter the smoke and causes air pollution after discharge.

[0037] By means of the rotating device 3, when it is necessary to prevent the smoke inside the collection box 201 from flowing back into the reflow soldering furnace after the smoke collecting device is closed, the operator first rotates the rotating block 37, the rotating block 37 drives the fixed rod 36 to rotate, the fixed rod 36 drives the baffle 35 to rotate, the baffle 35 completely closes the smoke duct 1 to prevent the smoke from flowing back, and the fixing device 2 is used to solve the problem of a traditional reflow soldering smoke collecting device, in which the smoke flows back into the reflow soldering furnace and affects the soldering effect of the circuit board.

[0038] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

Claims

1. A reflow soldering fume collection device, comprising a fume duct (1), characterized in that: A fixing device (2) is provided at one end of the smoke duct (1), the fixing device (2) comprising a collection box (201), one side of the collection box (201) being fixedly connected to the smoke duct (1), an exhaust fan (202) being fixedly connected inside the collection box (201), two fixing plates (203) being fixedly connected inside the collection box (201), a T-shaped groove (204) being provided on one side of the two fixing plates (203) close to each other, and a sliding connection being provided inside the T-shaped groove (204). A T-shaped plate (205), one side of the T-shaped plate (205) is fixedly connected to an L-shaped plate (206), the short arm ends of the two L-shaped plates (206) are slidably connected to filter plates (215), one end of the two T-shaped plates (205) is fixedly connected to a cover plate (216), one side of the cover plate (216) is fixedly connected to a handle (214), the outside of the cover plate (216) is fixedly connected to a sealing frame (213), and the outside of the sealing frame (213) is slidably connected to the collection box (201).

2. A reflow soldering fume collection device according to claim 1, characterized in that: One side of the L-shaped plate (206) is fixedly connected to a support plate (217), and one side of the support plate (217) is fixedly connected to two telescopic rods (207).

3. A reflow soldering fume collection device according to claim 2, characterized in that: The output ends of the two telescopic rods (207) are fixedly connected to an L-shaped moving plate (209), and one side of the L-shaped moving plate (209) is fixedly connected to a clamping plate (211).

4. A reflow soldering fume collection device according to claim 3, characterized in that: An anti-skid pad (212) is fixedly connected to one side of the clamping plate (211), and one side of the two anti-skid pads (212) is slidably connected to the filter plate (215).

5. The reflow soldering fume collecting device according to claim 3, characterized in that: The arc surface of the telescopic rod (207) is sleeved with a spring (208), and two ends of the spring (208) are respectively fixedly connected to the L-shaped moving plate (209) and the supporting plate (217).

6. A reflow soldering fume collection device according to claim 5, characterized in that: An internal thread block (218) is fixedly connected to one side of the support plate (217), the internal thread of the internal thread block (218) is connected to a screw rod (210), and the arc surface of the screw rod (210) is threadedly connected to the L-shaped moving plate (209).

7. The reflow soldering fume collection device according to claim 1, characterized in that: A rotating device (3) is provided inside the smoke duct (1), and the rotating device (3) comprises a fixing block (31), one side of the fixing block (31) is fixedly connected to the smoke duct (1), a bearing (32) is fixedly connected inside the fixing block (31), and a support block (33) is fixedly connected inside the bearing (32).

8. A reflow soldering fume collection device according to claim 7, characterized in that: One end of the support block (33) is fixedly connected to a support rod (34); the arc surface of the support rod (34) is rotatably connected to the smoke duct (1); and one end of the support rod (34) is fixedly connected to a baffle (35).

9. A reflow soldering fume collection device according to claim 8, characterized in that: The arc surface of the baffle (35) is fixedly connected to a fixing rod (36), the arc surface of the fixing rod (36) is rotatably connected to the smoke duct (1), and one end of the fixing rod (36) is fixedly connected to a rotating block (37).

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