Crest welder tin furnace nozzle fixing structure

Abstract

The utility model provides a crest welder tin furnace nozzle fixing structure. The crest welder tin furnace nozzle fixing structure comprises a tin furnace, the top of the tin furnace is provided with a sealing cover plate, and the tin furnace is provided with two fixing mechanisms and an adjusting mechanism; the fixing mechanism comprises a rectangular block, a Z-shaped plate, a fixing shaft, two pull rods, a connecting rod, a cylindrical block and a clamping block, the rectangular block is fixedly installed on the outer wall of the tin furnace, the Z-shaped plate is installed on the rectangular block in a hinged mode, the fixing shaft is fixedly installed on the Z-shaped plate, the two pull rods are rotationally arranged on the fixing shaft in a sleeving mode, and the cylindrical block is fixedly installed on the Z-shaped plate. The connecting rod is rotationally installed on the two pull rods, and the cylindrical block is fixedly arranged on the connecting rod in a sleeving mode. The crest welder tin furnace nozzle fixing structure has the advantages that the tin furnace nozzle can be conveniently installed and fixed, tin liquid leakage is avoided, and the height of the tin furnace nozzle can be finely adjusted according to actual use requirements.

Description

Technical Field

[0001] The utility model belongs to the technical field of tin furnace nozzles, in particular to a tin furnace nozzle fixing structure for a wave soldering machine. Background Art

[0002] Wave soldering machine refers to a machine that sprays molten soft solder (lead-tin alloy) into a solder wave crest as required by the design through an electric pump or electromagnetic pump. It can also be formed by injecting nitrogen into the solder pool, so that a printed circuit board pre-installed with components passes through the solder wave crest, achieving soft soldering of mechanical and electrical connections between the component terminals or pins and the printed circuit board pads.

[0003] In the related technology, a selective wave soldering machine tin furnace nozzle fixing structure is disclosed, including a tin furnace for melting tin material and an electromagnetic pump installed inside the tin furnace for sucking liquid tin material, a nozzle mounting plate for mounting the tin furnace nozzle is arranged on the top of the tin furnace, the tin furnace nozzle is mounted on the upper side of the nozzle mounting plate, a sealing plate is fixedly installed above the inner side wall of the tin furnace, a baffle used in conjunction with the sealing plate is installed on the lower side of the nozzle mounting plate, and a quick positioning assembly is installed on the outer wall of the tin furnace, which has the following characteristics: reasonable design, simple structure, stable operation, good sealing, low production cost, and easy to promote and use.

[0004] However, there are still some shortcomings in the above structure. Its device cannot fix the handle. During use, the handle is easily bounced up after being touched, causing the nozzle mounting plate to shake, and it is impossible to adjust the height of the tin furnace nozzle according to actual use requirements.

[0005] Therefore, it is necessary to provide a new wave soldering machine tin furnace nozzle fixing structure to solve the above-mentioned technical problems. Utility Model Content

[0006] The technical problem solved by the utility model is to provide a wave soldering machine tin furnace nozzle fixing structure which can facilitate the installation and fixing of the tin furnace nozzle to avoid leakage of tin liquid and can fine-tune the height of the tin furnace nozzle according to actual use requirements.

[0007] In order to solve the above technical problems, the utility model provides a wave soldering machine tin furnace nozzle fixing structure comprising: a tin furnace, a sealing cover plate is arranged on the top of the tin furnace, and two fixing mechanisms and an adjusting mechanism are arranged on the tin furnace;

[0008] The fixing mechanism includes a rectangular block, a Z-shaped plate, a fixed shaft, two pull rods, a connecting rod, a columnar block and a clamping block. The rectangular block is fixedly mounted on the outer wall of the tin furnace, the Z-shaped plate is hingedly mounted on the rectangular block, the fixed shaft is fixedly mounted on the Z-shaped plate, the two pull rods are rotatably mounted on the fixed shaft, the connecting rod is rotatably mounted on the two pull rods, the columnar block is fixedly mounted on the connecting rod, and the clamping block is fixedly mounted on the outer wall of the sealing cover plate.

[0009] As a further solution of the utility model, the adjustment mechanism includes a tin furnace nozzle, two L-shaped plates, two fixed screws, two adjusting nuts and two locking nuts. The tin furnace nozzle is arranged in the tin furnace, the two L-shaped plates are fixedly installed on the tin furnace nozzle, the two fixed screws are fixedly installed on the top of the sealing cover plate, the two adjusting nuts are respectively threadedly mounted on the two fixed screws, and the two locking nuts are respectively threadedly mounted on the two fixed screws.

[0010] As a further solution of the utility model, an internal threaded tube is fixedly installed on the outer wall of the tin furnace, a locking screw is installed on the internal thread of the internal threaded tube, the locking screw passes through the Z-shaped plate and is threadedly connected to the Z-shaped plate, and a knob is fixedly installed on one end of the locking screw.

[0011] As a further solution of the utility model, an opening is provided on the sealing cover plate, and the opening is matched with the tin furnace nozzle.

[0012] As a further solution of the utility model, a U-shaped baffle is fixedly installed on the bottom of the sealing cover plate, and the tin furnace nozzle is located in the U-shaped baffle and is slidably connected to the U-shaped baffle.

[0013] As a further solution of the utility model, an arc-shaped slot is provided on the top of the block, and the arc-shaped slot is matched with the columnar block.

[0014] Compared with the related art, the wave soldering machine tin furnace nozzle fixing structure provided by the utility model has the following beneficial effects:

[0015] 1. The utility model provides a fixing mechanism so that the nozzle of the tin furnace can be installed in the tin furnace and the leakage of tin liquid can be effectively avoided;

[0016] 2. The utility model is provided with an adjustment mechanism, so that the height of the tin furnace nozzle can be adjusted according to actual use requirements;

[0017] 3. The utility model provides an internal threaded tube, a locking screw and a knob, so that after the sealing cover is installed and fixed, the locking screw can be screwed into the internal threaded tube, thereby preventing the Z-shaped plate from bouncing up and ensuring the fixing effect of the sealing cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0019] Figure 1 A three-dimensional structural diagram of a tin furnace nozzle fixing structure of a wave soldering machine provided by the utility model;

[0020] Figure 2 for Figure 1 A schematic diagram of the enlarged structure of part A;

[0021] Figure 3 The utility model is a partial structural schematic diagram of the tin furnace nozzle fixing structure of the wave soldering machine provided by the utility model.

[0022] In the figure: 1. tin furnace; 2. sealing cover plate; 3. rectangular block; 4. Z-shaped plate; 5. fixed shaft; 6. pull rod; 7. connecting rod; 8. columnar block; 9. clamping block; 10. tin furnace nozzle; 11. L-shaped plate; 12. fixing screw; 13. adjusting nut; 14. locking nut; 15. internal threaded pipe; 16. locking screw; 17. knob; 18. opening; 19. U-shaped baffle. DETAILED DESCRIPTION

[0023] Please refer to Figure 1 , Figure 2 and Figure 3 ,in, Figure 1 A three-dimensional structural diagram of a tin furnace nozzle fixing structure of a wave soldering machine provided by the utility model; Figure 2 for Figure 1 A schematic diagram of the enlarged structure of part A; Figure 3 The utility model provides a partial structural diagram of the tin furnace nozzle fixing structure of the wave soldering machine. The tin furnace nozzle fixing structure of the wave soldering machine comprises: a tin furnace 1, a sealing cover plate 2 is arranged on the top of the tin furnace 1, and two fixing mechanisms and an adjusting mechanism are arranged on the tin furnace 1;

[0024] The fixing mechanism includes a rectangular block 3, a Z-shaped plate 4, a fixed shaft 5, two pull rods 6, a connecting rod 7, a columnar block 8 and a clamping block 9. The rectangular block 3 is fixedly installed on the outer wall of the tin furnace 1, the Z-shaped plate 4 is hingedly installed on the rectangular block 3, the fixed shaft 5 is fixedly installed on the Z-shaped plate 4, the two pull rods 6 are rotatably mounted on the fixed shaft 5, the connecting rod 7 is rotatably mounted on the two pull rods 6, the columnar block 8 is fixedly mounted on the connecting rod 7, and the clamping block 9 is fixedly installed on the outer wall of the sealing cover plate 2.

[0025] like Figure 1As shown, the adjustment mechanism includes a tin furnace spout 10, two L-shaped plates 11, two fixed screws 12, two adjusting nuts 13 and two locking nuts 14. The tin furnace spout 10 is arranged in the tin furnace 1, the two L-shaped plates 11 are fixedly mounted on the tin furnace spout 10, the two fixed screws 12 are fixedly mounted on the top of the sealing cover plate 2, the two adjusting nuts 13 are respectively threadedly sleeved on the two fixed screws 12, and the two locking nuts 14 are respectively threadedly sleeved on the two fixed screws 12;

[0026] By providing the adjustment mechanism, the height of the tin furnace nozzle 10 can be adjusted according to actual use requirements.

[0027] like Figure 2 As shown, an internal threaded tube 15 is fixedly installed on the outer wall of the tin furnace 1, and a locking screw 16 is internally threadedly installed on the internal threaded tube 15. The locking screw 16 passes through the Z-shaped plate 4 and is threadedly connected to the Z-shaped plate 4. A knob 17 is fixedly installed on one end of the locking screw 16;

[0028] By providing the internal threaded tube 15, the locking screw 16 and the knob 17, after the sealing cover plate 2 is installed and fixed, the locking screw 16 can be screwed into the internal threaded tube 15, thereby preventing the Z-shaped plate 4 from bouncing up and ensuring the fixing effect of the sealing cover plate 2.

[0029] like Figure 1 and Figure 3 As shown, the sealing cover plate 2 is provided with an opening 18, and the opening 18 is adapted to the tin furnace nozzle 10;

[0030] The opening 18 is provided to facilitate the tin furnace nozzle 10 to spray out molten tin to solder the circuit board.

[0031] like Figure 1 and Figure 3 As shown, a U-shaped baffle plate 19 is fixedly installed at the bottom of the sealing cover plate 2, and the tin furnace nozzle 10 is located in the U-shaped baffle plate 19 and is slidably connected to the U-shaped baffle plate 19;

[0032] By providing the U-shaped baffle plate 19 , the tin furnace spout 10 can be restricted and guided during use, thereby improving the stability of the tin furnace spout 10 .

[0033] like Figures 1 to 3 As shown, the top of the block 9 is provided with an arc-shaped slot, and the arc-shaped slot is adapted to the columnar block 8;

[0034] By providing the arc-shaped clamping groove, it is convenient for the columnar block 8 to be hung on the clamping block 9 , so as to improve the fixing effect of the sealing cover plate 2 .

[0035] The working principle of the wave soldering machine tin furnace nozzle fixing structure provided by the utility model is as follows:

[0036] The first step: when in use, place the sealing cover plate 2 on the top of the tin furnace 1, then hang the columnar block 8 in the arc-shaped slot of the clamping block 9, then press down the Z-shaped plate 4 to make the Z-shaped plate 4 rotate around the connection point of the rectangular block 3 and the Z-shaped plate 4, so that the connecting rod 7 and the columnar block 8 can be pulled down by the fixed shaft 5 and the pull rod 6, and the columnar block 8 can pull down the clamping block 9 to make the sealing cover plate 2 close to the tin furnace 1 to prevent the tin liquid from leaking, and then turn the knob 17, and the knob 17 drives the locking screw 16 to rotate until the locking screw 16 is screwed into the internal threaded tube 15 to prevent the Z-shaped plate 4 from bouncing up;

[0037] The second step: when it is necessary to fine-tune the height of the tin furnace nozzle 10 according to actual usage requirements, loosen the two locking nuts 14, and then screw the two adjusting nuts 13 to move the adjusting nuts 13 downward, thereby moving the L-shaped plate 11 and the tin furnace nozzle 10 downward. After adjusting to the desired position, tighten the two locking nuts 14 to lock and fix the L-shaped plate 11, thereby completing the adjustment of the tin furnace nozzle 10.

[0038] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0039] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0040] Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations or direct or indirect applications may be made to these embodiments without departing from the principles and spirit of the present invention. In other related technical fields, the scope of the present invention is defined by the attached claims and their equivalents, which are equally included in the scope of patent protection of the present invention.

Claims

1. A wave soldering machine tin furnace nozzle fixing structure, characterized in that: include: A tin furnace, wherein a sealing cover plate is arranged on the top of the tin furnace, and two fixing mechanisms and an adjusting mechanism are arranged on the tin furnace; The fixing mechanism includes a rectangular block, a Z-shaped plate, a fixed shaft, two pull rods, a connecting rod, a columnar block and a clamping block. The rectangular block is fixedly mounted on the outer wall of the tin furnace, the Z-shaped plate is hingedly mounted on the rectangular block, the fixed shaft is fixedly mounted on the Z-shaped plate, the two pull rods are rotatably mounted on the fixed shaft, the connecting rod is rotatably mounted on the two pull rods, the columnar block is fixedly mounted on the connecting rod, and the clamping block is fixedly mounted on the outer wall of the sealing cover plate.

2. The wave soldering machine tin furnace nozzle fixing structure according to claim 1, characterized in that: The adjustment mechanism includes a tin furnace spout, two L-shaped plates, two fixed screws, two adjusting nuts and two locking nuts. The tin furnace spout is arranged in the tin furnace. The two L-shaped plates are fixedly installed on the tin furnace spout. The two fixed screws are fixedly installed on the top of the sealing cover plate. The two adjusting nuts are respectively threadedly mounted on the two fixed screws. The two locking nuts are respectively threadedly mounted on the two fixed screws.

3. The wave soldering machine tin furnace nozzle fixing structure according to claim 1, characterized in that: An internal threaded tube is fixedly mounted on the outer wall of the tin furnace, a locking screw is internally threadedly mounted on the internal threaded tube, the locking screw passes through the Z-shaped plate and is threadedly connected to the Z-shaped plate, and a knob is fixedly mounted on one end of the locking screw.

4. The wave soldering machine tin furnace nozzle fixing structure according to claim 1, characterized in that: The sealing cover plate is provided with an opening, which is matched with the tin furnace spout.

5. The wave soldering machine tin furnace nozzle fixing structure according to claim 1, characterized in that: A U-shaped baffle is fixedly mounted on the bottom of the sealing cover plate, and the tin furnace nozzle is located in the U-shaped baffle and is slidably connected to the U-shaped baffle.

6. The wave soldering machine tin furnace nozzle fixing structure according to claim 1, characterized in that: An arc-shaped slot is formed on the top of the block, and the arc-shaped slot is matched with the columnar block.

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