Annealing and tinning device for copper wire processing

Abstract

The annealing and tinning device for copper wire processing comprises a bottom plate, an annealing box and a tinning box, the annealing box is welded to the top of the bottom plate, and the tinning box is fixed to the right side of the annealing box; according to the copper wire annealing and tinning device, the annealing box, the tinning box, the connecting pipe and the anti-oxidation box are adopted to form the copper wire annealing and tinning device, and the heating cavity, the heat preservation cavity and the cooling cavity of the annealing box are each provided with the guide roller set composed of the multiple guide rollers, so that copper wires passing through the annealing box are circuitously conveyed in a snakelike structure; according to the tin plating tank, the time for copper wires to pass through the annealing box is delayed to the maximum extent, and the annealing and cooling effects of the copper wires are guaranteed; the connecting pipes are arranged in the annealing box and the tin plating box, and the clamping blocks with the semicircular grooves are arranged on the opposite surfaces of the left support and the right support which are arranged in the anti-oxidation box; the semi-circular groove of the clamping block can erase an oxide layer on the surface of the copper wire through the friction surface, and the copper wire is prevented from being oxidized again through inert gas introduced through the gas inlet pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of copper wire processing equipment, in particular to an annealing tinning device for copper wire processing. Background Art

[0002] Annealed tinned copper wire refers to the copper wire that has undergone the annealing process and then passed through the tinning device inside the tin furnace to be tinned. Tin plating and its alloys are a kind of coating with good weldability and certain corrosion resistance. They are widely used in electronic components and printed circuit boards.

[0003] After searching, publication number CN213538058U discloses an ultra-fine copper wire annealing mechanism with tinning function. An ultra-fine copper wire annealing mechanism with tinning function, including an equipment frame, an annealing box and a cooling water tank arranged on the equipment frame, and a copper wire coiling machine arranged on the rear side of the equipment frame, wherein a hollow pipe is connected between the annealing box and the cooling water tank, one end of the hollow pipe is fixedly connected to the annealing box, and the other end is tilted downward and extends into the cooling water tank, a tinning device is arranged on the rear side of the equipment frame, and a copper wire connecting device is arranged on the rear side of the tinning device. The benefits of the utility model are: the material can be coiled directly after tinning, without the need for tinning again, and it can not only be tinned, but also can be plated with other products as needed, which is highly practical and improves work efficiency.

[0004] However, since the connection between the annealing box and the tinning device in the above scheme is not tight enough, the copper wire to be tinned is easily oxidized by air during the transportation stage, affecting the quality of the final copper wire. Secondly, since the annealing box is not provided with a circuitous guide structure, the copper wire may be incompletely annealed or cooled, which has an adverse effect on the quality of the copper wire.

[0005] To this end, an annealing and tinning device for copper wire processing is proposed, which has the advantages of circuitous annealing and cooling of copper wire and anti-oxidation, thereby solving the problems in the above-mentioned background technology. Utility Model Content

[0006] The utility model aims to solve the shortcomings in the prior art and proposes an annealing tinning device for copper wire processing.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an annealing tinning device for copper wire processing, comprising a bottom plate, an annealing box and a tinning box, the top of the bottom plate is welded with an annealing box, and a tinning box is fixed on the right side of the annealing box, an anti-oxidation box is fixed on the left side of the upper part of the tinning box, and a connecting pipe is connected between the anti-oxidation box and the annealing box, a tinning can is embedded in the interior of the tinning box, a second heater is installed at the bottom of the tinning can, and a guide wheel is rotatably installed on the top of the tinning can, and heating wheels are arranged from left to right in the annealing box. A hot chamber, a heat preservation chamber, and a cooling chamber, and a group of guide rollers are installed inside the heating chamber, the heat preservation chamber, and the cooling chamber. A first heater is fixed to the inner wall of the heating chamber. The top surfaces of the heat preservation chamber and the cooling chamber are respectively connected with an air inlet pipe. A left support and a right support are fixed in the anti-oxidation box, and the facing surfaces of the left support and the right support are fixed with a clamping block. The facing surfaces of the clamping blocks of the left support and the right support are provided with semicircular grooves, and friction surfaces are provided in the semicircular grooves. The top of the anti-oxidation box is connected with an air inlet pipe, and the air inlet pipe is connected with an external inert gas storage tank.

[0008] As a further description of the above technical solution: the front end surfaces of the annealing box and the anti-oxidation box are both hinged with sealed box doors, and the front end surface of the annealing box is provided with a plurality of sealed box doors, and the plurality of sealed box doors correspond one by one to the heating chamber, the insulation chamber, and the cooling chamber.

[0009] As a further description of the above technical solution: a connecting nozzle is arranged on the top of the anti-oxidation box, and a circular flange is arranged between the connecting nozzle and the air inlet pipe.

[0010] As a further description of the above technical solution: the first heater adopts a high-frequency heating coil, and the second heater adopts an electric heating plate.

[0011] As a further description of the above technical solution: two support rollers are connected to the tin can through a bearing seat, and the heights of the two support rollers are different. Another two support rollers are connected to the anti-oxidation box through a bearing seat, and the other two support rollers are in the same straight line.

[0012] As a further description of the above technical solution: the guide roller group is composed of a plurality of guide rollers, the guide roller groups of the heating chamber and the heat preservation chamber are arranged in a J-shaped structure, and the guide roller group of the cooling chamber is arranged in a serpentine structure.

[0013] The utility model has the following beneficial effects:

[0014] In the utility model, an annealing box, a tinning box, a connecting pipe and an anti-oxidation box are used to form a copper wire annealing and tinning device. A guide roller group composed of a plurality of guide rollers is respectively arranged in the heating chamber, the heat preservation chamber and the cooling chamber of the annealing box, so that the copper wire passing through the annealing box is conveyed in a circuitous manner in a serpentine structure, which delays the time for the copper wire to pass through the annealing box to the greatest extent, thereby ensuring the annealing and cooling effect of the copper wire. A connecting pipe is arranged in the annealing box and the tinning box, and clamping blocks with semicircular grooves are arranged on the facing surfaces of the left and right supports built into the anti-oxidation box. When the copper wire is introduced into the tinning can, the semicircular groove of the clamping block can wipe off the oxide layer on the surface of the copper wire through the friction surface, and prevent the copper wire from being oxidized again through the inert gas introduced through the air inlet pipe, thereby improving the product quality of the copper wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the external structure of an annealing and tinning device for copper wire processing according to the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of an annealing and tinning device for copper wire processing according to the utility model;

[0017] Figure 3 The utility model is a schematic diagram of the structure of a left support and a right support of an annealing and tinning device for copper wire processing.

[0018] Legend:

[0019] 1. Bottom plate; 2. Annealing box; 3. Tinning box; 4. Connecting pipe; 5. Anti-oxidation box; 6. Tinning can; 7. Guide wheel; 8. Air inlet pipe; 9. Heating chamber; 10. Guide roller group; 11. First heater; 12. Insulation chamber; 13. Air inlet pipe; 14. Cooling chamber; 15. Left support; 16. Right support; 17. Second heater; 18. Support roller; 19. Clamp block; 20. Semicircular groove. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] According to an embodiment of the utility model, an annealing and tinning device for copper wire processing is provided.

[0022] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-3As shown, an annealing and tinning device for copper wire processing according to an embodiment of the utility model comprises a bottom plate 1, an annealing box 2 and a tinning box 3, the annealing box 2 is welded on the top of the bottom plate 1, and the tinning box 3 is fixed on the right side of the annealing box 2, an anti-oxidation box 5 is fixed on the left side of the upper part of the tinning box 3, and a connecting pipe 4 is connected between the anti-oxidation box 5 and the annealing box 2, a tinning can 6 is embedded in the tinning box 3, and a second heater 17 is installed at the bottom of the tinning can 6, and a guide wheel 7 is rotatably installed on the top of the tinning can 6, and a heating chamber 9 is arranged from left to right inside the annealing box 2, The heat preservation chamber 12 and the cooling chamber 14 are provided with a group of guide rollers 10, the inner wall of the heating chamber 9 is fixed with a first heater 11, the top surfaces of the heat preservation chamber 12 and the cooling chamber 14 are respectively connected with an air inlet pipe 13, the anti-oxidation box 5 is fixed with a left support 15 and a right support 16, and the left support 15 and the right support 16 are fixed with a clamping block 19 on the facing surfaces, the left support 15 and the right support 16 are provided with a semicircular groove 20 on the facing surfaces of the clamping blocks 19, and a friction surface is provided in the semicircular groove 20, and the top of the anti-oxidation box 5 The air inlet pipe 8 is connected to the outer inert gas storage tank. The air inlet pipes 13 of the heat preservation chamber 12 and the cooling chamber 14 are respectively connected to the hot air blower and the cold air blower for annealing and cooling of the copper wire. The friction surface of the semicircular groove 20 is similar to the sandpaper in the prior art. A metal brush can also be used as a structure for erasing the oxide layer on the surface of the copper wire. The copper wire leading out of the tin-plated can 6 is also provided with a copper wire winding device for winding and storing the tinned copper wire. The left support 15 and the right support 16 can be fixed with bolts (not shown in the figure) to make them detachable so as to adjust the copper wire according to the temperature of the copper wire. The diameter of the clamping block 19 is replaced with a suitable one. The first heater 11 and the second heater 17 are only used in this patent without improving their structure and function. For those skilled in the art, their setting method, installation method and electrical connection method can be debugged and operated according to the requirements of their instruction manual, and will not be described in detail here. The first heater 11 and the second heater 17 are both provided with a control switch matched therewith. The installation position of the control switch is selected according to the actual use requirements, so that the operator can operate and control it conveniently.

[0023] In one embodiment, the front end surfaces of the annealing box 2 and the anti-oxidation box 5 are hinged with sealed box doors. Several sealed box doors are arranged on the front end surface of the annealing box 2, and the several sealed box doors correspond one by one to the heating chamber 9, the insulation chamber 12, and the cooling chamber 14. The sealed box doors are arranged to facilitate the threading of the copper wire. In order to facilitate the installation of the copper wire, a threading opening is also opened between the heating chamber 9, the insulation chamber 12, and the cooling chamber 14.

[0024] In one embodiment, a connection nozzle is provided on the top of the anti-oxidation box 5, and a circular flange is provided between the connection nozzle and the air inlet pipe 8. The air inlet pipe 8 is used to introduce inert gas to prevent the copper wire from being oxidized.

[0025] In one embodiment, the first heater 11 adopts a high-frequency heating coil, and the second heater 17 adopts an electric heating plate. The high-frequency heating coil type first heater 11 can heat the copper wire to a state slightly higher than the critical temperature, and the electric heating plate type second heater 17 is used to heat the tin liquid to prevent the tin plating from solidifying.

[0026] In one embodiment, two support rollers 18 are connected to the tin-plated can 6 through a bearing seat, and the heights of the two support rollers 18 are different. Another two support rollers 18 are connected to the anti-oxidation box 5 through a bearing seat, and the other two support rollers 18 are on the same straight line. The support rollers 18 are arranged to guide the copper wire, so that the copper wire of the anti-oxidation box 5 can pass through the semicircular groove 20 of the clamp 19, and the copper wire of the tin-plated can 6 can be immersed in the tin liquid.

[0027] In one embodiment, the guide roller group 10 is composed of multiple guide roller groups 10. The guide roller groups 10 of the heating chamber 9 and the insulation chamber 12 are arranged in a J-shaped structure, and the guide roller group 10 of the cooling chamber 14 is arranged in a serpentine structure, that is, the copper wire passes through the annealing box 2 in a serpentine structure. Among them, the number of guide rollers in the guide roller group 10 of the cooling chamber 14 is greater than the number of guide rollers in the guide roller group 10 of the heating chamber 9 and the insulation chamber 12, so as to achieve the purpose of rapid cooling.

[0028] Working principle:

[0029] When in use, first introduce the copper wire to be annealed into the annealing box 2, so that the copper wire is wound on the guide roller group 10 of the heating chamber 9, the heat preservation chamber 12, and the cooling chamber 14, then pass the copper wire through the connecting pipe 4 and introduce it into the anti-oxidation box 5, so that the copper wire passes through the clamping blocks 19 arranged on the opposite surfaces of the left support 15 and the right support 16, and then introduce the copper wire passing through the anti-oxidation box 5 into the tin-plating can 6 of the tin-plating device, so that the copper wire is wound and connected with the supporting roller 18 of the tin-plating can 6 until the copper wire is connected with the guide wheel 7 on the top of the tin-plating can 6 and connected with the external copper wire winding device, and then start the first heater 11 and the second heater 17 in sequence, and introduce the hot air of the required temperature of the heat preservation chamber 12 into the heat preservation chamber 12 through the two air inlet pipes 13, and introduce the cold air of the required temperature of the cooling chamber 14 into the cooling chamber 14, and then A guide roller group 10 composed of a plurality of guide rollers is respectively arranged in the heating chamber 9, the heat preservation chamber 12 and the cooling chamber 14 of the annealing box 2, so that the copper wire passing through the annealing box 2 is conveyed in a serpentine structure in a circuitous manner, and the time for the copper wire to pass through the annealing box 2 is delayed to the greatest extent, thereby ensuring the annealing and cooling effect of the copper wire. A connecting pipe 4 is arranged in the annealing box 2 and the tinning box 3, and a clamping block 19 with a semicircular groove 20 is arranged on the opposite surfaces of the left support 15 and the right support 16 built into the anti-oxidation box 5, and an inert gas is introduced into the anti-oxidation box 5 through the air inlet pipe 8. When the copper wire is introduced into the tin-plating can 6, the semicircular groove 20 of the clamping block 19 can wipe off the oxide layer on the surface of the copper wire through the friction surface, and the inert gas introduced through the air inlet pipe 8 can prevent the copper wire from being oxidized again, so that the copper wire introduced into the tin-plating can 6 is plated with tin liquid.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An annealing and tinning device for copper wire processing, comprising a base plate (1), an annealing box (2) and a tinning box (3), characterized in that: An annealing box (2) is welded to the top of the bottom plate (1), and a tinning box (3) is fixed to the right side of the annealing box (2), an anti-oxidation box (5) is fixed to the left side of the upper part of the tinning box (3), and a connecting pipe (4) is connected between the anti-oxidation box (5) and the annealing box (2), a tinning can (6) is embedded and installed inside the tinning box (3), and a second heater (17) is installed at the bottom of the tinning can (6), and a guide wheel (7) is rotatably installed on the top of the tinning can (6), and a heating chamber (9), a heat preservation chamber (12), and a cooling chamber (14) are arranged inside the annealing box (2) from left to right, and the heating chamber (9), the heat preservation chamber (12), and the cooling chamber (14) are all installed inside. A group of guide rollers (10) is provided, a first heater (11) is fixed on the inner wall of the heating chamber (9), the top surfaces of the heat preservation chamber (12) and the cooling chamber (14) are respectively connected to an air inlet pipe (13), a left support (15) and a right support (16) are fixed in the anti-oxidation box (5), and a clamping block (19) is fixedly connected to the facing surfaces of the left support (15) and the right support (16), a semicircular groove (20) is provided on the facing surfaces of the clamping blocks (19) of the left support (15) and the right support (16), and a friction surface is provided in the semicircular groove (20), and an air inlet pipe (8) is connected to the top of the anti-oxidation box (5), and the air inlet pipe (8) is connected to an external inert gas storage tank.

2. The annealing and tinning device for copper wire processing according to claim 1, characterized in that: The front end surfaces of the annealing box (2) and the anti-oxidation box (5) are both hingedly connected with sealed box doors. The front end surface of the annealing box (2) is provided with a plurality of sealed box doors, and the plurality of sealed box doors correspond one to one with the heating chamber (9), the heat preservation chamber (12), and the cooling chamber (14).

3. The annealing and tinning device for copper wire processing according to claim 1, characterized in that: A connecting nozzle is arranged on the top of the anti-oxidation box (5), and a circular flange is arranged between the connecting nozzle and the air inlet pipe (8).

4. The annealing and tinning device for copper wire processing according to claim 1, characterized in that: The first heater (11) is a high-frequency heating coil, and the second heater (17) is an electric heating plate.

5. The annealing and tinning device for copper wire processing according to claim 1, characterized in that: The tin-plated can (6) is connected to two support rollers (18) via a bearing seat, and the heights of the two support rollers (18) are different. The anti-oxidation box (5) is connected to another two support rollers (18) via a bearing seat, and the other two support rollers (18) are on the same straight line.

6. The annealing and tinning device for copper wire processing according to claim 1, characterized in that: The guide roller group (10) is composed of a plurality of guide roller groups (10); the guide roller groups (10) of the heating chamber (9) and the heat preservation chamber (12) are arranged in a H-shaped structure, and the guide roller group (10) of the cooling chamber (14) is arranged in a serpentine structure.

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