Reflow soldering equipment import and export air exhaust structure

Abstract

The utility model discloses a reflow soldering equipment import and export air draft structure, including the organism, the upper end of organism is equipped with the cover body, and the left and right sides of cover body upper end are equipped with the air outlet respectively, and the air outlet is equipped with the air pipe, and the middle part of air pipe is connected with the filter bin respectively, and the front end of filter bin is hinged with the cabinet door through the hinge respectively, still including collection subassembly and dismounting mechanism, collection subassembly includes the sliding slot, slide and collection box, and the inside of organism is opened with the symmetry sliding slot respectively, and the inside of sliding slot is connected with the slide respectively, and the lower end between two slide of horizontal adjacent is fixedly connected with the collection box respectively.

Description

Technical Field

[0001] This utility model relates to the technical field of reflow soldering equipment, specifically to an inlet and outlet exhaust structure for reflow soldering equipment. Background Technology

[0002] Reflow soldering equipment provides a heated environment that melts solder paste, allowing surface mount components (SMT) to reliably bond to PCB pads. An appropriate amount of solder paste is pre-applied to the PCB pads, and SMT components are placed in their designated positions, using the adhesive properties of the solder paste to hold them in place. A conveyor system moves the PCB through various pre-set temperature zones within the equipment. The solder paste undergoes stages of drying, preheating, melting, wetting, and cooling, ultimately soldering the components onto the PCB. The core process involves using an external heat source to melt the solder and allow it to flow and wet the surface, completing the soldering process. During this process, a large amount of fumes and harmful gases are generated and must be extracted.

[0003] The existing reflow soldering equipment's inlet and outlet exhaust structure uses a fan to create a negative pressure zone inside the exhaust hood when extracting fumes and harmful gases generated during the welding process. The fumes, harmful gases, and heat generated during the welding process are drawn into the exhaust hood, then filtered through the exhaust pipe before being discharged outdoors or subjected to further treatment.

[0004] The existing inlet and outlet exhaust structures of this type of reflow soldering equipment have the following problems: when extracting fumes and harmful gases generated during the welding process, some flux cannot be effectively collected, which can damage electronic equipment. At the same time, long-term filtration requires replacement of the filter, which is inconvenient. Therefore, an inlet and outlet exhaust structure for reflow soldering equipment is proposed. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the existing defects and provide an inlet and outlet exhaust structure for reflow soldering equipment. When extracting fumes and harmful gases generated during the welding process, it facilitates the effective collection of flux, avoids damage to electronic equipment, enables quick filter replacement, improves the filtration effect of fumes, and is easy to use. It can effectively solve the problems in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an inlet and outlet exhaust structure for a reflow soldering equipment, comprising a body, a cover at the upper end of the body, an exhaust pipe at the air outlets on the left and right sides of the upper end of the cover, a filter chamber connected in series in the middle of the exhaust pipe, and a door at the front end of the filter chamber respectively by a hinge, and also includes a collection component and a disassembly mechanism.

[0007] The collection assembly includes a chute, a slide bar, and a collection box. The interior of the machine body is provided with symmetrical chutes, and slide bars are slidably connected inside the chute. A collection box is fixedly connected between the lower ends of two horizontally adjacent slide bars.

[0008] The disassembly mechanism includes an L-shaped locking plate, an adjusting cylinder, a sliding plate, a socket, and a connecting rod. The front end of the box door is provided with an L-shaped locking plate. The left side of the filter compartment is provided with an adjusting cylinder via a mounting base. The sliding plate is slidably connected inside the adjusting cylinder. The lower end of the sliding plate is fixedly connected with a connecting rod. The rear side of the upper end of the L-shaped locking plate is provided with a socket. The lower end of the connecting rod located outside the adjusting cylinder is installed in conjunction with the vertically adjacent socket.

[0009] Furthermore, air passages are provided inside the left and right ends of the cover, and bottom plates are provided at the lower ends of the air passages. Slide grooves are respectively opened on the left and right sides of the lower end of the bottom plates. Air holes are evenly distributed on the upper surface of the bottom plates. Top plates are provided at the upper ends of the air passages. The bottom plates and top plates are inclined from back to front and downward to facilitate exhaust.

[0010] Furthermore, the collection assembly also includes a buckle, a rod, a slide plate, a handle, and a cylindrical tube. The front end of the airway is provided with a cylindrical tube, and a slide plate is slidably connected inside the cylindrical tube. A rod is fixedly connected to the middle part of the slide plate. The rear end of the collection box is provided with a buckle. The rod is installed by engaging with the buckle that is longitudinally adjacent to it. A handle is fixedly connected to the outer end of the rod for easy fixation.

[0011] Furthermore, the collecting assembly also includes a spring, and the insert rod between the inner wall of the cylindrical tube and the outer side of the laterally adjacent slide is respectively fitted with a spring to facilitate rebound.

[0012] Furthermore, each of the filter chambers is equipped with a filter box, and the outer surface of the filter box is provided with evenly distributed filter holes to facilitate filtration.

[0013] Furthermore, the plug rod is slidably connected to the sliding hole on the bottom wall of the adjusting cylinder for easy sliding.

[0014] Furthermore, the disassembly mechanism also includes L-shaped slides, which are respectively opened on the outer surface of the adjusting cylinder. The outer arc surface of the sliding plate is respectively fixedly connected with a lever, which is slidably connected to the interior of the adjacent L-shaped slide for easy adjustment.

[0015] Furthermore, the disassembly mechanism also includes a second spring. The second spring is respectively sleeved on the outside of the insertion rod between the bottom wall of the adjusting cylinder and the top wall of the sliding plate to provide a rebound.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] 1. Install the collection box using the sliding rod and groove. Then, release the handle rod and insert the buckle under the rebound of the slide plate and spring to fix the collection box. This facilitates the effective collection of flux when extracting fumes and harmful gases generated during the welding process, thus avoiding damage to electronic equipment.

[0018] 2. By moving the lever, guided by the L-shaped slide groove, the sliding plate, under the rebound of spring two, drives the plug rod to disengage from the plug hole, thereby unlocking the box door. This facilitates cleaning or replacement of the filter box. After cleaning or replacement, when extracting fumes and harmful gases generated during welding, the filter can be quickly replaced, improving the filtration effect of the flue gas and making it easy to use. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0021] Figure 3 This is an enlarged structural diagram of point A in this utility model;

[0022] Figure 4 This is an enlarged structural diagram of section B of the present invention;

[0023] Figure 5 This is an enlarged structural diagram of point C in this utility model;

[0024] Figure 6 This is a cross-sectional view of the airway structure of this utility model;

[0025] Figure 7 This is a schematic diagram of the front side cross-sectional structure of the present invention;

[0026] Figure 8 This is a schematic diagram of the filter box of this utility model.

[0027] In the diagram: 1. Body, 2. Cover, 3. Air duct, 4. Base plate, 5. Top plate, 6. Air outlet pipe, 7. Collection assembly, 71. Slide groove, 72. Slide rod, 73. Collection box, 74. Buckle, 75. Insert rod, 76. Slide plate, 77. Spring 1, 78. Handle, 79. Circular cylinder, 8. Disassembly mechanism, 81. L-shaped locking plate, 82. Adjusting cylinder, 83. Sliding plate, 84. L-shaped slide groove, 85. Spring 2, 86. Insertion hole, 87. Insertion rod, 9. Filter compartment, 10. Filter box, 11. Box door. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Please see Figure 1-8 This embodiment provides a technical solution: an inlet and outlet exhaust structure for a reflow soldering equipment, including a body 1, a cover 2 at the upper end of the body 1, an exhaust pipe 6 at the left and right sides of the upper end of the cover 2, filter chambers 9 connected in series in the middle of the exhaust pipes 6, and a door 11 hinged to the front end of each filter chamber 9, an air passage 3 at the left and right ends of the cover 2, a bottom plate 4 at the lower end of the air passage 3, and sliding grooves 71 on the left and right sides of the lower end of the bottom plate 4, with evenly distributed air holes on the upper surface of the bottom plate 4, and a top plate 5 at the upper end of the air passage 3. The bottom plate 4 and the top plate 5 are inclined from back to front and downward, and a filter box 10 is inserted into the filter chamber 9. The outer surface of the filter box 10 has evenly distributed filter holes, and the inner wall of the filter box 10 is covered with non-woven fabric, with activated carbon inside the non-woven fabric.

[0030] It also includes a collection component 7; the collection component 7 includes a slide 71, a slide rod 72 and a collection box 73. The inside of the body 1 is provided with left and right symmetrical slide 71. The slide rod 72 is slidably connected inside the slide 71. The collection box 73 is fixedly connected between the lower ends of two horizontally adjacent slide rods 72. The collection component 7 also includes a buckle 74, a plug rod 75, a slide plate 76, a handle 78 and a cylindrical tube 79. The front end of the air passage 3 is provided with a cylindrical tube 79. The slide plate 76 is slidably connected inside the cylindrical tube 79. The middle part of the slide plate 76 is fixedly connected to the plug rod 75. The rear end of the collection box 73 is provided with a buckle 74. The plug rod 75 is installed in conjunction with the longitudinally adjacent buckle 74. The outer end of the plug rod 75 is fixedly connected to the handle 78. The collection component 7 also includes a spring 77. The part of the plug rod 75 between the inner wall of the cylindrical tube 79 and the outer side of the horizontally adjacent slide plate 76 is fitted with a spring 77.

[0031] It also includes a disassembly mechanism 8; the disassembly mechanism 8 includes an L-shaped locking plate 81, an adjusting cylinder 82, a sliding plate 83, an insertion hole 86, and a connecting rod 87. An L-shaped locking plate 81 is provided at the front end of the door 11. An adjusting cylinder 82 is provided on the left side of the filter chamber 9 via a mounting base. A sliding plate 83 is slidably connected inside the adjusting cylinder 82. A connecting rod 87 is fixedly connected to the lower end of each sliding plate 83. An insertion hole 86 is provided on the rear side of the upper end of the L-shaped locking plate 81. The lower end of the connecting rod 87 located outside the adjusting cylinder 82... The insertion rod 87 is installed in conjunction with the vertically adjacent insertion holes 86, and is slidably connected to the sliding hole on the bottom wall of the adjusting cylinder 82; the disassembly mechanism 8 also includes an L-shaped sliding groove 84, which is respectively opened on the outer surface of the adjusting cylinder 82, and the outer arc surface of the sliding plate 83 is respectively fixedly connected with a lever, which is slidably connected to the interior of the adjacent L-shaped sliding groove 84. The disassembly mechanism 8 also includes a second spring 85, and the second spring 85 is respectively sleeved on the outside of the insertion rod 87 between the bottom wall of the adjusting cylinder 82 and the top wall of the sliding plate 83.

[0032] The working principle of this utility model is as follows:

[0033] When the reflow soldering equipment is being ventilated at the inlet and outlet, before welding, pull the handle 78, and the handle 79 will move the insert rod 75. The slide plate 76 will slide inside the cylindrical tube 79, and the spring 77 will be compressed. The spring 77 will slide through the slide rod 72 in the slide groove 71, so that the collection box 73 moves to the appropriate position. When the insert rod 75 moves to the appropriate position, release the handle 78. Under the action of the spring 77, the insert rod 75 will insert into the longitudinally adjacent buckle 74 to fix the collection box 73.

[0034] During the operation of the reflow soldering equipment, the flux is dispersed as smoke during soldering. It is connected to an external exhaust fan through the exhaust pipe 6. The gas is cooled by the cooling structure inside the air passage 3. After cooling, the flux will fall to the upper end of the base plate 4 and slide down the base plate 4 into the collection box 73.

[0035] When the collection box 73 is full, pull the handle 78 again to disengage the plug 75 from the buckle 74, remove the collection box 73 from the slide 71, clean the flux in the collection box 73, and some of the flue gas passes through the exhaust pipe 6 and enters the filter chamber 9. Under the action of the filter box 10, the gas is filtered to remove impurities from the gas.

[0036] When the filter box 10 needs to be cleaned or replaced, the lever is moved and slides in the L-shaped slide groove 84. As the L-shaped slide groove 84 slides along the movement trajectory of the lever, the lever will disengage from the block at the bottom of the L-shaped slide groove 84, causing the sliding plate 83 to move upward in the adjusting cylinder 82 under the rebound of the spring 85. This will drive the plug rod 87 to disengage from the plug hole 86, thereby unlocking the box door 11 so that the filter box 10 can be cleaned or replaced in the future.

[0037] After cleaning or replacement, close the door 11, then move the lever. The lever slides inside the L-shaped groove 84, which in turn moves the sliding plate 83 downward inside the adjusting cylinder 82, thereby causing the insertion rod 87 to be inserted into the insertion hole 86. When the lever slides to the bottom of the L-shaped groove 84, rotate the lever counterclockwise. The lever will be blocked by the front end of the bottom of the L-shaped groove 84, thereby fixing the door 11.

[0038] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A reflow soldering equipment inlet and outlet exhaust structure, comprising a body (1), wherein the upper end of the body (1) is provided with a cover (2), and an exhaust pipe (6) is provided at the air outlets on the left and right sides of the upper end of the cover (2), wherein a filter chamber (9) is connected in series in the middle of the exhaust pipe (6), and a door (11) is hinged to the front end of the filter chamber (9) by a hinge, characterized in that: It also includes a collection component (7) and a disassembly mechanism (8); The collection component (7) includes a chute (71), a slide bar (72) and a collection box (73). The body (1) has symmetrical chute (71) inside. The slide bar (72) is slidably connected inside the chute (71). The lower ends of two adjacent slide bars (72) are fixedly connected to the collection box (73). The disassembly mechanism (8) includes an L-shaped locking plate (81), an adjusting cylinder (82), a sliding plate (83), a socket (86), and a connecting rod (87). The front end of the box door (11) is provided with an L-shaped locking plate (81). The left side of the filter chamber (9) is provided with an adjusting cylinder (82) via a mounting base. The interior of the adjusting cylinder (82) is slidably connected to a sliding plate (83). The lower end of the sliding plate (83) is fixedly connected to a connecting rod (87). The rear side of the upper end of the L-shaped locking plate (81) is provided with a socket (86). The lower end of the connecting rod (87) located outside the adjusting cylinder (82) is fitted with the vertically adjacent socket (86) for installation.

2. The inlet and outlet exhaust structure of a reflow soldering equipment according to claim 1, characterized in that: The cover (2) has air passages (3) inside the left and right ends respectively. The bottom end of the air passage (3) is provided with a bottom plate (4). The sliding groove (71) is opened on the left and right sides of the bottom end of the bottom plate (4). The upper surface of the bottom plate (4) is provided with evenly distributed air holes. The top end of the air passage (3) is provided with a top plate (5). The bottom plate (4) and the top plate (5) are inclined downward from back to front respectively.

3. The inlet and outlet exhaust structure of a reflow soldering equipment according to claim 2, characterized in that: The collection assembly (7) also includes a buckle (74), a rod (75), a slide plate (76), a handle (78), and a cylindrical tube (79). The front end of the air passage (3) is provided with a cylindrical tube (79). The inside of the cylindrical tube (79) is slidably connected to a slide plate (76). The middle part of the slide plate (76) is fixedly connected to a rod (75). The rear end of the collection box (73) is provided with a buckle (74). The rod (75) is installed in conjunction with the adjacent buckle (74) in the longitudinal direction. The outer end of the rod (75) is fixedly connected to a handle (78).

4. The inlet and outlet exhaust structure of a reflow soldering equipment according to claim 3, characterized in that: The collecting assembly (7) also includes a spring (77), and the spring (77) is respectively sleeved on the outside of the insert (75) between the inner wall of the cylindrical tube (79) and the outer side of the laterally adjacent sliding plate (76).

5. The inlet and outlet exhaust structure of a reflow soldering equipment according to claim 1, characterized in that: Each filter chamber (9) has a filter box (10) inserted inside, and the outer surface of the filter box (10) is provided with uniformly distributed filter holes.

6. The inlet and outlet exhaust structure of a reflow soldering equipment according to claim 1, characterized in that: The plug rod (87) is slidably connected to the sliding hole on the bottom wall of the adjusting cylinder (82).

7. The inlet and outlet exhaust structure of a reflow soldering equipment according to claim 1, characterized in that: The disassembly mechanism (8) also includes an L-shaped slide groove (84), which is opened on the outer surface of the adjusting cylinder (82). The outer arc surface of the sliding plate (83) is fixedly connected with a lever, which is slidably connected to the interior of the adjacent L-shaped slide groove (84).

8. The inlet and outlet exhaust structure of a reflow soldering equipment according to claim 1, characterized in that: The disassembly mechanism (8) also includes a second spring (85), and the second spring (85) is respectively sleeved on the outside of the plug rod (87) between the bottom wall of the adjusting cylinder (82) and the top wall of the sliding plate (83).

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