Drying device for steel wire after pickling and phosphating

Abstract

The utility model relates to the technical field of drying devices, and discloses a drying device for steel wires after pickling and phosphating, the drying device comprises a bottom plate and a drying mechanism, and the drying mechanism comprises a roller rotationally arranged above the bottom plate in a sleeving mode. According to the drying device for the steel wire after pickling and phosphating, the drying mechanism and the driving mechanism are matched with each other, so that the steel wire continuously moves and rolls in the roller, the surface of the steel wire is uniformly heated, and the situation that a single surface is insufficiently heated is avoided; according to the device, the infrared heater is adopted as a heat source, evaporation of water can be effectively accelerated, the drying requirement of a phosphating film layer can be better met, damp and hot gas generated in the roller can be sucked into the heat pump through the exhaust pipe to be dried by starting the exhaust fan, then the dried gas is conveyed into the roller again through the gas outlet pipe, and the drying effect is improved. By means of the design, the drying energy efficiency is improved, and the drying cost is remarkably reduced.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of drying devices, in particular to a drying device for steel wires after pickling and phosphating. BACKGROUND

[0002] After pickling and phosphating treatment, the residual treatment liquid on the surface of the steel wire needs to be completely removed to prevent adverse effects on subsequent processes, such as causing the steel wire surface to corrode again or affecting the adhesion of the coating. The drying device plays a crucial role in this link, which provides a stable and controllable heat source to rapidly evaporate the moisture and residual treatment liquid on the surface of the steel wire, ensuring that the steel wire reaches the specified dryness.

[0003] The existing patent (publication number: CN221898121U) discloses a steel wire phosphating drying device, which relates to the technical field of drying devices and comprises a box body, a phosphating box and a drying box are arranged on the inner side of the box body, a hot air blower and a mounting plate are fixedly installed on the surface of the box body, an electric push rod is fixedly installed on the top surface of the mounting plate, a top rod is installed on the output end of the electric push rod, a connecting plate is fixedly installed on the top end of the top rod, a bottom block is fixedly installed on the bottom surface of the connecting plate, a mounting bracket is fixedly installed on the side surface of the bottom block, a mounting frame is slidably connected to the surface of the mounting bracket, a hook support rod is fixedly installed on the bottom surface of the mounting frame, a lead screw is penetratingly arranged on the top surface of the mounting frame, and a pressing block is fixedly installed on the bottom end of the lead screw. The hook support rod can be used to hang the steel wire for phosphating and drying work, and when the hook support rod is damaged, the hook support rod can be conveniently replaced by twisting the lead screw, thereby improving the maintenance efficiency and having high practicability.

[0004] In the above-mentioned comparative document, only the hot air blower is used to dry the steel wire after pickling and phosphating, and the drying effect needs to be improved. There is also the problem of uneven drying. In order to further improve the drying effect of the device, a drying device for steel wires after pickling and phosphating is proposed. Invention content

[0005] In view of the deficiencies of the prior art, the application provides a drying device for steel wires after pickling and phosphating, which can improve the drying efficiency and ensure the uniformity of drying.

[0006] To achieve the above-mentioned purpose, the application provides the following technical scheme: a drying device for steel wires after pickling and phosphating, comprising a bottom plate and a drying mechanism, the drying mechanism comprising a roller rotatably sleeved above the bottom plate, the inner wall of the roller being provided with uniformly distributed infrared heaters, the two sides of the inner wall of the roller being fixedly connected with filter screens, and the outer part of the roller being provided with a driving mechanism and a heat circulation mechanism.

[0007] The heat cycle mechanism comprises a heat pump fixedly connected to the bottom surface of the bottom plate, one side of the heat pump is provided with an air extractor, the air suction end of the air extractor is communicated with an air extraction pipe, the other side of the heat pump is communicated with an air outlet pipe, the outer surfaces of the top ends of the air extraction pipe and the air outlet pipe are fixedly connected with sealing bearings, and the outer surfaces of the two sealing bearings are fixedly connected to the inner walls of the rotating shafts at the two ends of the roller.

[0008] Through the above scheme, the steel wire can continuously move and roll in the interior of the roller through the cooperation between the drying mechanism and the driving mechanism, ensuring that all surfaces are uniformly heated and avoiding insufficient heating of a single surface. The infrared heater is used as a heat source to accelerate water evaporation, which is suitable for drying the phosphating film layer. Starting the air extractor can suck the humid hot gas generated in the roller into the heat pump through the air extraction pipe for drying, and then the dried gas is transported into the roller through the air outlet pipe, which significantly improves the drying energy efficiency of the device and greatly reduces the drying cost.

[0009] Further, the rotating shafts at the two ends of the roller are hollow and communicate with the interior of the roller, and the inner wall of the roller is fixedly connected with the staggered guide plates.

[0010] Through the above scheme, the humid hot gas in the roller can be conveniently transported out, dried by the heat cycle mechanism, and then transported back into the roller, achieving a recycling effect.

[0011] Further, a sealing door is mounted on the outer surface of the roller, and the outer surface of the sealing door is fixedly connected with a limiting groove.

[0012] Through the above scheme, when the sealing door is tightly locked on the outer surface of the roller, the sealing effect of the interior of the roller can be improved, and heat loss can be reduced.

[0013] Further, a threaded locking rod is threadedly connected to the outer surface of the roller, and the outer surface of the threaded locking rod is threadedly connected with the inner wall of the limiting groove.

[0014] Through the above scheme, the sealing door can be conveniently locked.

[0015] Further, the driving mechanism comprises a servo motor fixedly connected above the bottom plate, the output shaft end of the servo motor is fixedly connected with a first sprocket, and the outer portion of the first sprocket is provided with a chain.

[0016] Through the above scheme, power can be provided for the rotation of the first sprocket, and the chain can conveniently transmit the power of the first sprocket to other components.

[0017] Further, the outer surface of the drum side rotating shaft is fixedly connected with a second chain wheel, the second chain wheel is in transmission connection with the first chain wheel through a chain, and the diameter value of the second chain wheel is greater than that of the first chain wheel.

[0018] Through the above scheme, when the servo motor starts, the first chain wheel and the chain can drive the second chain wheel to rotate, and when the second chain wheel rotates, the drum can be driven to rotate, so that the steel wire can continuously move and tumble in the drum, ensuring that all surfaces are uniformly heated and avoiding insufficient heating of a single surface.

[0019] Further, the outer surface of the drum side rotating shaft is fixedly connected with a second chain wheel, the second chain wheel is in transmission connection with the first chain wheel through a chain, and the diameter value of the second chain wheel is greater than that of the first chain wheel.

[0020] Through the above scheme, the air suction pipe and the air outlet pipe can be reinforced, so that the air suction pipe and the air outlet pipe can more stably convey the wet hot gas for drying.

[0021] Further, the upper surface of the bottom plate is provided with a controller, and the infrared heater, the servo motor, the heat pump and the air suction fan are electrically connected with the controller.

[0022] Through the above scheme, the work of each electrical element in the device can be conveniently controlled, and the operation of the device is facilitated.

[0023] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0024] The steel wire drying device after pickling and phosphating comprises an oven drying mechanism and a driving mechanism, the steel wire continuously moves and tumbles in the inside of the drum, the surface of the steel wire is uniformly heated, and the device adopts an infrared heater as a heat source, which can effectively accelerate the evaporation of water and adapt to the drying requirements of the phosphating film layer, the wet hot gas generated in the inside of the drum is sucked into the heat pump through the air suction pipe for drying treatment when the air suction fan is started, and the dried gas is re-conveyed into the drum through the air outlet pipe, which not only improves the energy efficiency of drying but also significantly reduces the drying cost, and the drying device, through reasonable structural design and efficient heat energy utilization, not only ensures the uniform drying of the surface of the steel wire but also greatly improves the drying efficiency and reduces the operating cost. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a whole structure schematic view of the structure of the present application;

[0026] Figure 2 It is a partial bottom view structure schematic view of the structure of the present application;

[0027] Figure 3It is a schematic diagram of a partial top view structure of the structure of the present application.

[0028] Figure 4 It is a schematic diagram of a sectional view structure of the structure of the present application.

[0029] In the figure:

[0030] 1, bottom plate; 2, drying mechanism; 201, roller; 202, infrared heater; 203, filter screen; 204, guide plate; 205, sealing door; 206, limiting groove; 207, threaded locking rod; 3, driving mechanism; 301, servo motor; 302, first sprocket; 303, second sprocket; 304, chain; 4, heat circulation mechanism; 401, heat pump; 402, air extractor; 403, air extraction pipe; 404, air outlet pipe; 405, sealing bearing; 406, reinforcing frame; 5, controller. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0032] Please refer to Figure 1 , Figure 2 and Figure 4 , the drying device for steel wire after pickling and phosphating in the embodiment includes a bottom plate 1 and a drying mechanism 2. The drying mechanism 2 includes a roller 201 rotatably sleeved above the bottom plate 1. The rotating shafts at both ends of the roller 201 are hollow and connected with the inside of the roller 201. The inner wall of the roller 201 is fixedly connected with staggered guide plates 204. The rotating shafts at both ends of the roller 201 are limited, so that the gas in the roller 201 can circulate and flow. The guide plates 204 can ensure that the steel wire is forced to turn over in rotation, increase the exposed area of the surface of the steel wire, and make the drying effect more comprehensive. The inner wall of the roller 201 is installed with uniformly distributed infrared heaters 202. The infrared heaters 202 use infrared rays to quickly heat the moisture on the surface of the steel wire, so that the moisture is efficiently evaporated. The infrared heaters 202 can directly heat the surface of the steel wire, improve the heat efficiency, and reduce heat loss. The both sides of the inner wall of the roller 201 are fixedly connected with filter screens 203. The filter screens 203 can prevent the steel wire residues from moving out of the inside of the roller 201. The outside of the roller 201 is provided with a driving mechanism 3 and a heat circulation mechanism 4.

[0033] Please refer to Figure 3 and Figure 4The outer surface of the roller 201 is provided with a sealing door 205, the outer surface of the sealing door 205 is fixedly connected with a limiting groove 206, when the sealing door 205 is locked on the outer surface of the roller 201, the sealing effect of the inside of the roller 201 can be improved, and heat loss can be reduced. The outer surface of the roller 201 is threadedly connected with a threaded locking rod 207, the outer surface of the threaded locking rod 207 is threadedly connected with the inner wall of the limiting groove 206, and the threaded locking rod 207 can be conveniently locked on the sealing door 205.

[0034] Please refer to Figure 1 、 Figure 2 and Figure 4 The driving mechanism 3 comprises a servo motor 301 fixedly connected above the bottom plate 1, the output shaft end of the servo motor 301 is fixedly connected with a first sprocket 302, the outside of the first sprocket 302 is provided with a chain 304, the servo motor 301 can provide power for the rotation of the first sprocket 302, and the chain 304 can conveniently transmit the power of the first sprocket 302 to other components, the outer surface of the shaft of the roller 201 is fixedly connected with a second sprocket 303, the second sprocket 303 is in transmission connection with the first sprocket 302 through the chain 304, the diameter value of the second sprocket 303 is greater than that of the first sprocket 302, when the servo motor 301 is started, the second sprocket 303 can be driven to rotate through the first sprocket 302 and the chain 304, when the second sprocket 303 rotates, the roller 201 can be driven to rotate, so that the steel wire can continuously move and tumble on the roller 201, ensuring that all surfaces are uniformly heated, and avoiding insufficient heating of a single surface.

[0035] It should be noted that during the rotary drying process of the roller 201, the water on the surface of the steel wire evaporates into water vapor, forming humid hot gas.

[0036] Please refer to Figure 2 、 Figure 3 and Figure 4The heat cycle mechanism 4 comprises a heat pump 401 fixedly connected to the bottom surface of the bottom plate 1, one side of the heat pump 401 is provided with an air extractor 402, the air suction end of the air extractor 402 is communicated with an air extraction pipe 403, the other side of the heat pump 401 is communicated with an air outlet pipe 404, the outer surfaces of the top ends of the air extraction pipe 403 and the air outlet pipe 404 are fixedly connected with sealing bearings 405, and the outer surfaces of the two sealing bearings 405 are fixedly connected in the inner walls of the rotating shafts at the two ends of the roller 201. When the air extractor 402 is started, the wet and hot gas generated in the roller 201 can be sucked into the heat pump 401 through the air extraction pipe 403, the wet and hot gas is dried by the heat pump 401, and then the dried gas is transported into the rotating roller 201 through the air outlet pipe 404, so that the effect of recycling is realized, the consumption of fresh heat source is reduced, the energy efficiency is improved, and the overall drying cost is reduced. The upper surfaces of the two sides of the bottom plate 1 are fixedly connected with reinforcing frames 406, and the outer surfaces of the air extraction pipe 403 and the air outlet pipe 404 are fixedly connected in the inner walls of the two reinforcing frames 406. The reinforcing frames 406 can reinforce the air extraction pipe 403 and the air outlet pipe 404, so that the air extraction pipe 403 and the air outlet pipe 404 can more stably transport the wet and hot gas for drying. The upper surface of the bottom plate 1 is provided with a controller 5, and the infrared heater 202, the servo motor 301, the heat pump 401 and the air extractor 402 are electrically connected with the controller 5. The controller 5 can conveniently control the working of the electrical elements in the device, and provides convenience for the operation of the device.

[0037] It should be noted that the sealing bearings 405 can make the roller 201 rotate smoothly, and also ensure the fixed state of the air extraction pipe 403 and the air outlet pipe 404, that is, the rotation of the roller 201 does not interfere with the air extraction pipe 403 and the air outlet pipe 404.

[0038] In the embodiment, the drying device for steel wire after pickling and phosphating comprises a drying mechanism 2 and a driving mechanism 3, which can make the steel wire continuously move and tumble in the roller 201, ensure that all surfaces are uniformly heated, avoid insufficient heating of a single surface, and use an infrared heater 202 as a heat source to accelerate water evaporation. The device is suitable for drying the phosphating film layer, the air extractor 402 can suck the wet and hot gas generated in the roller 201 into the heat pump 401 for drying through the air extraction pipe 403, and then the dried gas is transported into the roller 201 through the air outlet pipe 404, so that the drying efficiency of the device is significantly improved, and the drying cost is greatly reduced.

[0039] The working principle of the above embodiment is that the phosphated steel wire is put into the roller 201, the sealing door 205 is tightly locked on the surface of the roller 201 through the limiting groove 206 and the threaded locking rod 207, then the infrared heater 202 and the servo motor 301 are controlled to work by the controller 5, the infrared heater 202 can directly heat the surface of the steel wire when working, so that the water is quickly evaporated, the heat efficiency is improved and the heat loss is reduced, the first sprocket 302 is driven to rotate when the servo motor 301 works, the second sprocket 303 can be rotated through the chain 304 arranged, the roller 201 is driven to rotate when the second sprocket 303 rotates, so that the steel wire continuously rolls and turns in the roller 201, so that the steel wire can be more fully dried, in the process of rotating and drying the steel wire in the roller 201, the water on the surface of the steel wire evaporates into water vapor to form humid hot gas, at this time, the heat pump 401 and the exhaust fan 402 are started by the controller 5, the humid hot gas in the roller 201 is sucked into the heat pump 401 through the exhaust pipe 403 when the exhaust fan 402 is started, the humid hot gas is dried through the heat pump 401, and then is retransported into the rotating roller 201 through the air outlet pipe 404, through the recycling of the humid hot gas, the dependence of the device on external heating sources is reduced, the energy consumption is reduced, and the device is more practical.

[0040] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0041] While embodiments of the present application have been shown and described with reference to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. The scope of the application is defined by the appended claims and their equivalents.

Claims

1. A steel wire drying device after pickling and phosphating, comprising a bottom plate (1) and a drying mechanism (2), characterized in that: The drying mechanism (2) includes a roller (201) rotatably arranged above the bottom plate (1), the inner wall of the roller (201) is provided with uniformly distributed infrared heaters (202), both sides of the inner wall of the roller (201) are fixedly connected with filter screens (203), and the outer part of the roller (201) is provided with a driving mechanism (3) and a heat circulation mechanism (4). The heat circulation mechanism (4) includes a heat pump (401) fixedly connected to the bottom surface of the bottom plate (1), one side of the heat pump (401) is provided with an air extractor (402), the air suction end of the air extractor (402) is communicated with an air extraction pipe (403), the other side of the heat pump (401) is communicated with an air outlet pipe (404), the outer surfaces of the top ends of the air extraction pipe (403) and the air outlet pipe (404) are fixedly connected with sealing bearings (405), and the outer surfaces of the two sealing bearings (405) are fixedly connected in the inner walls of the shafts at the two ends of the roller (201).

2. The steel wire drying device after pickling and phosphating according to claim 1, characterized in that: The shafts at the two ends of the roller (201) are hollow and communicated with the inside of the roller (201), and the inner wall of the roller (201) is fixedly connected with staggered guide plates (204).

3. The steel wire drying device after pickling and phosphating according to claim 1, characterized in that: The outer surface of the roller (201) is provided with a sealing door (205), and the outer surface of the sealing door (205) is fixedly connected with a limiting groove (206).

4. The steel wire drying device after pickling and phosphating according to claim 1, characterized in that: The outer surface of the roller (201) is threadedly connected with a threaded locking rod (207), and the outer surface of the threaded locking rod (207) is threadedly connected with the inner wall of the limiting groove (206).

5. The steel wire drying device after pickling and phosphating according to claim 1, characterized in that: The driving mechanism (3) includes a servo motor (301) fixedly connected above the bottom plate (1), the output shaft end of the servo motor (301) is fixedly connected with a first sprocket (302), and the outer part of the first sprocket (302) is provided with a chain (304).

6. The steel wire drying device after pickling and phosphating according to claim 5, characterized in that: The outer surface of the shaft at one side of the roller (201) is fixedly connected with a second sprocket (303), the second sprocket (303) is in transmission connection with the first sprocket (302) through the chain (304), and the diameter value of the second sprocket (303) is greater than that of the first sprocket (302).

7. The steel wire drying device after pickling and phosphating according to claim 1, characterized in that: The outer surfaces of the air extraction pipe (403) and the air outlet pipe (404) are fixedly connected in the inner walls of the two reinforcing frames (406).

8. The steel wire drying device after pickling and phosphating according to claim 5, characterized in that: The upper surface of the bottom plate (1) is provided with a controller (5), and the infrared heaters (202), the servo motor (301), the heat pump (401) and the air extractor (402) are electrically connected with the controller (5).

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