A plasma spraying synchronous cooling device
By designing a plasma spraying synchronous cooling device, the workpiece temperature is rapidly reduced by using cooling water and drying components, the problem of difficulty in controlling temperature rise and low production efficiency of spraying workpieces is solved, and the synchronous operation and efficient cooling of spraying and cooling are achieved.
Patent Information
- Application Number
- CN202410507510.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-25
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2044-04-25
AI Technical Summary
The temperature rise control of the sprayed workpiece is difficult during the spraying process, resulting in local overheating, the coating is prone to cracking, thermal deformation or excessive thermal stress, the existing auxiliary blowing air cooling speed is slow, the effect is poor, and the spraying and cooling are not synchronized, resulting in slow processing speed and low production efficiency.
A plasma spray synchronous cooling device is designed, including a plasma spray gun, a spray gun head, a cooling box, a cooling assembly and a drying assembly. The cooling water sprayed on the ice cube quickly reduces the temperature in the cooling box. The drying component drys the airflow through a moisture-absorbing cotton pad and a drying pipe, and the cold airflow quickly reduces the temperature on the surface of the workpiece.
It achieves fast cooling speed and good results, and synchronous operation of spraying and cooling, improves production and processing efficiency, and avoids coating cracking and thermal deformation problems.
Smart Images

Figure CN118389985B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of cooling devices, and in particular to a plasma spraying synchronous cooling device. Background Art
[0002] Plasma spraying is a technology for strengthening and modifying the surface of materials. It uses a plasma arc driven by direct current as a heat source to heat ceramics, alloys, metals and other materials to a molten or plate-molten state, and sprays them at high speed onto the pre-treated workpiece surface to form a firmly attached surface layer. This method can make the substrate surface have anti-corrosion, wear-resistant, high temperature resistant, anti-oxidation, insulation and sealing properties.
[0003] The temperature rise of the workpiece to be sprayed must be controlled during the spraying process. Local overheating of the workpiece has a great impact on the coating, which can easily cause the coating to crack and cause thermal deformation or excessive thermal stress. Auxiliary air blowing cooling is now mostly used. The auxiliary air blowing cooling is slow and the effect is poor. Spraying and cooling cannot be performed synchronously, resulting in slow processing speed and low production efficiency. Summary of the invention
[0004] The invention discloses a plasma spraying synchronous cooling device, aiming to solve the technical problems of slow processing speed and low production efficiency caused by slow auxiliary air blowing cooling speed, poor effect, and failure of synchronous operation of spraying and cooling.
[0005] In order to achieve the above object, the present invention adopts the following technical solutions:
[0006] A plasma spraying synchronous cooling device comprises a plasma spraying gun, a spraying gun head is fixedly connected to the spraying end of the plasma spraying gun, a fixing groove is provided on the bottom surface of the plasma spraying gun, a cooling box is fixedly connected in the fixing groove, a cooling component is arranged inside the cooling box, a fixing hole connected to the interior of the cooling box is provided on the outer side wall of the cooling box, a ventilation pipe one is fixedly connected in the fixing hole, the cooling box is arranged in communication with the ventilation pipe one, and a drying component is arranged inside the ventilation pipe one.
[0007] By arranging a plasma spray gun, a spray gun head, a cooling box, a cooling component, a ventilation pipe and a drying component, cooling water is sprayed on the ice to quickly reduce the temperature in the cooling box, and cold air enters the drying component with the wind, and is dried by the drying component. The dried gas acts on the surface of the workpiece to quickly reduce the temperature of the workpiece surface. The cooling speed is fast and the effect is good. Spraying and cooling are performed simultaneously, which improves the efficiency of production and processing.
[0008] In a preferred embodiment, the cooling component includes a circulation pump, cooling water is stored in the bottom of the cooling box, and a water outlet is provided on the side wall of the cooling box, the circulation pump is fixedly connected to the outer side wall of the cooling box, and the input end of the circulation pump is fixedly connected to the water outlet of the cooling box through a pipeline, the output end of the circulation pump is fixedly connected to a return pipe, and the end of the return pipe away from the circulation pump is fixedly connected to a spray sprinkler, and the spray sprinkler is fixedly connected to the top wall of the cooling box; an anti-splash pad is fixedly connected to the inner side wall of the cooling box, the anti-splash pad is arranged at the lower end of the spray sprinkler, and a plurality of water sprinkling holes are fixedly connected to the bottom surface of the anti-splash pad, a refrigeration frame is arranged at the bottom of the refrigeration frame, a filter screen is arranged at the bottom, an overflow hole is provided on the side wall of the cooling box, and the height of the overflow hole is lower than the filter screen; A taking slot is provided on the side wall of the cooling box, a sealed box door is rotatably arranged in the taking slot, positioning rods are fixedly connected to the two side walls of the taking slot, a positioning hole is provided on the side of the sealed box door close to the positioning rod, and the sealed box door rotates on the circumferential surface of the positioning rod through the positioning hole, a movable slide is fixedly connected to the inner side wall of the cooling box, and the height of the movable slide is lower than the taking slot, a refrigeration frame is slidably connected to the movable slide, the bottom surface of the refrigeration frame is flush with the lower opening of the taking slot, and a number of strip grooves are provided on both side walls and the bottom surface of the refrigeration frame; an air inlet filter rack is fixedly connected to the outer wall of the cooling box on the side away from the ventilation pipe, and a fan is fixedly connected to the inner wall of the air inlet filter rack on the side close to the cooling box, the fan is arranged on the side of the refrigeration frame, and the air supply end of the fan is arranged toward the side of the refrigeration frame.
[0009] By providing a cooling component, when cooling the workpiece, frozen ice cubes are placed in the refrigeration frame, and cooling water falls on the surface of the ice cubes. The ice cubes melt and absorb the heat in the cooling box, so that the temperature in the cooling box is rapidly reduced. The fan is started, and the cold air flow enters the drying component through the ventilation pipe through the strip groove and is discharged, so that the air flow temperature acting on the surface of the workpiece is lower, the cooling speed of the workpiece is accelerated, and then the efficiency of production and processing is improved. The water melted from the ice cubes is filtered through the filter net and then stored in the cooling box, and circulated through the circulation pump, thereby improving the utilization efficiency of water resources.
[0010] In a preferred embodiment, the drying component includes a moisture-absorbing cotton pad, the outer side wall of the moisture-absorbing cotton pad is fixedly connected to the inner side wall of the ventilation duct one, and the moisture-absorbing cotton pad is arranged near one end of the cooling box, and the moisture-absorbing cotton pad is fixedly connected to a collector plate on the side away from the cooling box, and the collector plate is provided with air ducting holes; an annular guide rail is arranged on the side of the collector plate away from the cooling box, the annular guide rail is fixedly connected to the inner side wall of the ventilation duct one, and the surface of the annular guide rail is slidably connected to two symmetrically arranged guide rail slides, the outer wall of the guide rail slide on the side away from the annular guide rail is fixedly connected to a fixed plate, and the interior of the fixed plate is provided with a plurality of installation holes distributed in a circular array. The mounting holes are arranged corresponding to the air induction holes, and a drying tube 1 is fixedly connected in each mounting hole, and the interior of the drying tube 1 is filled with desiccant; a ventilation tube 2 is arranged on the side of the drying tube 1 away from the annular guide rail, and the ventilation tube 2 is fixedly connected to the inner side wall of the ventilation tube 1, and air holes connected to the interior of the ventilation tube 2 are opened in the middle of the outer walls on both sides, and the drying tube 2 is fixedly connected to the inner side wall of the ventilation tube 2 close to the drying tube 1, and a connecting seat is fixedly connected to the outer wall of the side of the drying tube 2 away from the drying tube 1, and a drying tube 3 is fixedly connected to the outer wall of the connecting seat away from the drying tube 2, and the interiors of the drying tubes 2 and 3 are The vent pipe is filled with desiccant, and the diameters of the drying tube 2 and the drying tube 3 are the same and smaller than the inner diameter of the ventilation tube 2; the outer wall of the drying tube 3 on the side away from the connecting seat is fixedly connected to the inner side wall of the ventilation tube 2; two vibration springs are fixedly connected to the inner wall of the ventilation tube 1 on the side away from the cooling box; an exhaust hole is provided on the outer wall of the ventilation tube 1 on the side away from the cooling box; the two vibration springs are symmetrically arranged about the exhaust hole; a dust collecting plate is fixedly connected to one end of the vibration spring close to the cooling box; a chip collecting box is fixedly connected to the bottom of the ventilation tube 1; the chip collecting box is connected to the interior of the ventilation tube 1, and the chip collecting box is arranged at the lower end of the dust collecting plate; the ventilation tube 1 is One end is fixedly connected with an outlet pipe, which is fixedly connected in the exhaust hole, and the end of the outlet pipe away from the ventilation pipe is fixedly connected with an air inlet pipe, the air outlet pipe is connected to the interior of the air inlet pipe, the air inlet pipe is fixedly connected to the outer side wall of the spray gun head, and a number of shunt pipes distributed in a circular array are fixedly connected to the outer side wall of the air inlet pipe, a side of the shunt pipe away from the air inlet pipe is fixedly connected with a shunt joint pipe, both ends of the shunt pipe are connected with the interior of the air inlet pipe and the shunt joint pipe, a number of cooling air heads distributed in a circular array are fixedly connected to the outer wall of the shunt joint pipe away from the spray gun head, and the cooling air heads are connected to the interior of the shunt joint pipe.
[0011] By providing a drying component, moisture mixed in the airflow is absorbed by a moisture-absorbing cotton pad, and the airflow is dried by a first drying tube. The guide rail slide is adjusted at intervals, and multiple drying tubes are rotated to the position corresponding to the air duct, so that the drying effect is maintained at an optimal level and the drying effect is good. The airflow is subjected to secondary drying by a second drying tube, and the airflow is further dried by a third drying tube, so that the drying effect is better, and the contact between the humid airflow and the workpiece affects the spraying effect. Finally, the dried airflow is blown to the surface of the workpiece through a cooling head, which quickly reduces the temperature of the workpiece and improves the efficiency of production and processing. The droplets discharged with the airflow are adsorbed by a dust collecting plate, and the vibration spring vibrates to make the droplets attached to the dust collecting plate fall into the chip collecting box, thereby minimizing the impact of dust inclusions in the coating on it.
[0012] From the above, it can be seen that the plasma spraying synchronous cooling device provided by the present invention has the technical effect of utilizing the dried cold air flow to quickly reduce the temperature of the workpiece surface, with fast cooling speed and good effect, and spraying and cooling operations are performed synchronously, thereby improving the efficiency of production and processing. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of the overall structure of a plasma spraying synchronous cooling device proposed by the present invention.
[0014] Figure 2 This is a schematic diagram of the overall side structure of a plasma spraying synchronous cooling device proposed by the present invention.
[0015] Figure 3 This is a top-sectional view of the ventilation pipe structure of a plasma spraying synchronous cooling device proposed by the present invention.
[0016] Figure 4 This is a top-sectional view of the cooling box structure of a plasma spraying synchronous cooling device proposed by the present invention.
[0017] Figure 5 The present invention is a schematic diagram of the side structure of a cooling component of a plasma spraying synchronous cooling device.
[0018] Figure 6 This is a top-sectional view of the drying component structure of a plasma spraying synchronous cooling device proposed by the present invention.
[0019] Figure 7 This is a schematic diagram of the side structure of a drying component of a plasma spraying synchronous cooling device proposed by the present invention.
[0020] In the figure: 1, plasma spray gun; 2, spray gun head; 3, cooling box; 4, cooling assembly; 401, circulation pump; 402, return pipe; 403, spray sprinkler; 404, splash pad; 405, water spray hole; 406, sealed box door; 407, movable slide; 408, refrigeration frame; 409, strip groove; 410, filter screen; 411, air inlet filter screen frame; 412, fan; 5, ventilation pipe 1; 6, drying assembly; 601, Moisture-absorbing cotton pad; 602, conduit plate; 603, annular guide rail; 604, guide rail slide; 605, fixed plate; 606, drying pipe one; 607, ventilation pipe two; 608, drying pipe two; 609, connecting seat; 610, drying pipe three; 611, dust collecting plate; 612, vibration spring; 613, chip box; 614, air outlet pipe; 615, air inlet pipe; 616, shunt pipe; 617, shunt joint pipe; 618, cooling air head. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0022] The plasma spraying synchronous cooling device disclosed in the present invention is mainly used in the scene where the auxiliary air blowing cooling speed is slow and the effect is poor, and the spraying and cooling cannot be operated synchronously, resulting in slow processing speed and low production efficiency.
[0023] Reference Figure 1-Figure 7 A plasma spraying synchronous cooling device comprises a plasma spraying gun 1, a spraying gun head 2 is fixedly connected to the spraying end of the plasma spraying gun 1, a fixing groove is provided on the bottom surface of the plasma spraying gun 1, and a cooling box 3 is fixedly connected in the fixing groove, a cooling component 4 is arranged inside the cooling box 3, and a fixing hole connected to the interior of the cooling box 3 is provided on the outer side wall thereof, and a ventilation pipe 5 is fixedly connected in the fixing hole, the cooling box 3 is connected to the ventilation pipe 5, and a drying component 6 is arranged inside the ventilation pipe 5.
[0024] Specifically, during the plasma spraying process using the plasma spray gun 1, powder is sprayed from the spray gun head 2 toward the workpiece, ice cubes are placed in the cooling component 4, and the cooling water in the cooling box 3 is sprayed on the ice cubes through the cooling component 4, so that the temperature in the cooling box 3 is rapidly reduced, and the cold air enters the drying component 6 from the ventilation pipe 5 with the action of wind, and the drying component 6 is used to dry the gas in the airflow, and the dried gas acts on the surface of the workpiece to rapidly reduce the temperature of the workpiece surface, with fast cooling speed and good effect, and spraying and cooling are performed simultaneously, thereby improving the efficiency of production and processing.
[0025] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 In a preferred embodiment, the cooling assembly 4 includes a circulating pump 401, cooling water is stored at the bottom of the cooling box 3, and a water outlet is provided on the side wall of the cooling box 3, the circulating pump 401 is fixedly connected to the outer side wall of the cooling box 3, and the input end of the circulating pump 401 is fixedly connected to the water outlet of the cooling box 3 through a pipeline, and the output end of the circulating pump 401 is fixedly connected to a return pipe 402, and the end of the return pipe 402 away from the circulating pump 401 is fixedly connected to a spray 403, and the spray 403 is fixedly connected to the top wall of the cooling box 3; the inner side wall of the cooling box 3 is fixedly connected to a splash pad 404, the splash pad 404 is arranged at the lower end of the spray 403, and the bottom surface of the splash pad 404 is fixedly connected to a plurality of water holes 405, the bottom of the splash pad 404 is provided with a refrigeration frame 408, the bottom of the refrigeration frame 408 is provided with a filter screen 410, and an overflow hole is provided on the side wall of the cooling box 3, and the height of the overflow hole is lower than the filter screen 410; A take-up slot is provided on the side wall of the cooling box 3, a sealed box door 406 is rotatably provided in the take-up slot, a positioning rod is fixedly connected to the two side walls of the take-up slot, a positioning hole is provided on the side of the sealed box door 406 close to the positioning rod, and the sealed box door 406 rotates on the circumferential surface of the positioning rod through the positioning hole, a movable slide 407 is fixedly connected to the inner side wall of the cooling box 3, and the height of the movable slide 407 is lower than the take-up slot, and a refrigeration frame is slidably connected to the movable slide 407 408, the bottom surface of the refrigeration frame 408 is flush with the lower opening of the taking slot, and the two side walls and the bottom surface of the refrigeration frame 408 are provided with a plurality of strip grooves 409; an air inlet filter frame 411 is fixedly connected to the outer wall of the cooling box 3 on the side away from the ventilation pipe 5, and a fan 412 is fixedly connected to the inner wall of the air inlet filter frame 411 on the side close to the cooling box 3, and the fan 412 is arranged on the side of the refrigeration frame 408, and the air supply end of the fan 412 is arranged toward the side of the refrigeration frame 408.
[0026] Specifically, when cooling the workpiece, the sealed box door 406 is turned over to open the taking slot, the refrigeration frame 408 is pulled outward to extract it, frozen ice cubes are placed in the refrigeration frame 408, and then the refrigeration frame 408 is slid into the cooling box 3 along the movable slide 407, and the taking slot is sealed and closed by using the sealed box door 406, and the circulating pump 401 extracts the cooling water in the cooling box 3, and the cooling water flows out through the return pipe 402 and is sprayed through the spray 403, and the cooling water sprayed by the spray 403 falls on the splash pad 404, and the splash pad 404 prevents the falling cooling water from splashing everywhere, and the cooling water is sprayed on the cooling box 3 through the spray hole 405. After the cooling water contacts the ice cubes on the surface of the ice cubes in the refrigeration frame 408, the ice cubes melt and absorb the heat in the cooling box 3, so that the temperature in the cooling box 3 drops rapidly, and the fan 412 is started. The fan 412 generates wind force toward one side of the refrigeration frame 408, so that the cold air flow passes through the strip groove 409 and enters the drying component 6 from the ventilation pipe 5 and is discharged, so that the air flow temperature acting on the surface of the workpiece is lower, the cooling speed of the workpiece is accelerated, and then the efficiency of production and processing is improved. The water melted from the ice cubes is filtered through the filter net 410, and then stored in the cooling box 3, and circulated through the circulation pump 401, thereby improving the utilization efficiency of water resources.
[0027] Reference Figure 1 , Figure 2 , Figure 3 , Figure 6 and Figure 7In a preferred embodiment, the drying component 6 includes a moisture-absorbing cotton pad 601, the outer side wall of the moisture-absorbing cotton pad 601 is fixedly connected to the inner side wall of the ventilation pipe 5, and the moisture-absorbing cotton pad 601 is arranged near one end of the cooling box 3, and the moisture-absorbing cotton pad 601 is fixedly connected to a collector plate 602 on the side away from the cooling box 3, and the collector plate 602 is provided with air ducting holes; the collector plate 602 is provided with an annular guide rail 603 on the side away from the cooling box 3, and the annular guide rail 603 is fixedly connected to the inner side wall of the ventilation pipe 5, and the surface of the annular guide rail 603 is slidably connected to two symmetrically arranged The guide rail slide 604 has a fixed plate 605 fixedly connected to the outer wall of the side of the guide rail slide 604 away from the annular guide rail 603. The interior of the fixed plate 605 is provided with a plurality of mounting holes distributed in a circumferential array, and the mounting holes are arranged corresponding to the air induction holes, and each mounting hole is fixedly connected to a drying tube 1 606, and the interior of the drying tube 1 606 is filled with a desiccant; the side of the drying tube 1 606 away from the annular guide rail 603 is provided with a ventilation tube 2 607, and the ventilation tube 2 607 is fixedly connected to the inner side wall of the ventilation tube 1 5, and the middle of the outer walls of both sides of the ventilation tube 2 607 are opened. A vent hole is provided which is connected to the inside of the ventilation pipe 2 607. A drying pipe 2 608 is fixedly connected to the inner side wall of the ventilation pipe 2 607 near the drying pipe 1 606. A connecting seat 609 is fixedly connected to the outer wall of the drying pipe 2 608 away from the drying pipe 1 606. A drying pipe 3 610 is fixedly connected to the outer wall of the connecting seat 609 away from the drying pipe 2 608. The interiors of the drying pipes 2 608 and 3 610 are filled with desiccant. The diameters of the drying pipes 2 608 and 3 610 are the same and smaller than the inner diameter of the ventilation pipe 2 607. The drying pipe 3 610 away from the connecting seat 609 is fixedly connected to the outer wall of the drying pipe 2 608. One side outer wall of the seat 609 is fixedly connected to the inner side wall of the ventilation pipe 607; two vibration springs 612 are fixedly connected to the inner wall of the ventilation pipe 15 away from the cooling box 3, and an exhaust hole is provided on the outer wall of the ventilation pipe 15 away from the cooling box 3. The two vibration springs 612 are symmetrically arranged about the exhaust hole, and one end of the vibration spring 612 close to the cooling box 3 is fixedly connected to the dust collecting plate 611, and the bottom of the ventilation pipe 15 is fixedly connected to the chip collecting box 613, which is connected to the inside of the ventilation pipe 15, and the chip collecting box 613 is arranged at the lower end of the dust collecting plate 611;The end of the ventilation pipe 5 away from the cooling box 3 is fixedly connected with an air outlet pipe 614, which is fixedly connected to the exhaust hole, and the end of the air outlet pipe 614 away from the ventilation pipe 5 is fixedly connected with an air inlet pipe 615, the air outlet pipe 614 is connected to the inside of the air inlet pipe 615, the air inlet pipe 615 is fixedly connected to the outer side wall of the spray gun head 2, and the outer side wall of the air inlet pipe 615 is fixedly connected with a plurality of shunt pipes 616 distributed in a circumferential array, the side of the shunt pipe 616 away from the air inlet pipe 615 is fixedly connected with a shunt joint pipe 617, the two ends of the shunt pipe 616 are connected to the inside of the air inlet pipe 615 and the shunt joint pipe 617, the outer wall of the shunt joint pipe 617 away from the spray gun head 2 is fixedly connected with a plurality of cooling air heads 618 distributed in a circumferential array, and the cooling air heads 618 are connected to the inside of the shunt joint pipe 617. ;
[0028] Specifically, the airflow after being cooled by the cooling component 4 enters the ventilation pipe 5, and the airflow passes through the moisture-absorbing cotton pad 601, and the moisture mixed in the airflow is absorbed by the moisture-absorbing cotton pad 601. The airflow after the preliminary water absorption treatment is discharged through the air induction holes on the confluence plate 602 and enters the drying pipe 606, and the airflow is dried by the drying pipe 606. The guide rail slide 604 is adjusted at an interval, and the guide rail slide 604 slides along the surface of the annular guide rail 603 to rotate the fixed plate 605, and the other multiple drying pipes 606 are rotated to the positions corresponding to the air induction holes, so that the drying effect is maintained at a better level and the drying effect is good. The airflow after preliminary drying enters the ventilation pipe 2 607, and then the airflow enters the ventilation pipe 2 607 and passes through the drying pipe 2 608. The airflow is subjected to secondary drying treatment by the drying pipe 2 608, and then along the ventilation pipe The second 607 continues to flow, the airflow passes through the drying tube three 610 and is discharged from the ventilation tube two 607, and the airflow is further dried by the drying tube three 610, so that the drying effect is better, and the moist airflow is prevented from contacting the workpiece and affecting the spraying effect. The dried airflow enters the air outlet pipe 614 through the exhaust hole, and the airflow enters the air inlet pipe 615 from the air outlet pipe 614 and enters the diversion joint pipe 617 through the diversion pipe 616. Finally, the dried airflow is blown to the surface of the workpiece through the cooling head 618, which quickly reduces the temperature of the workpiece and improves the efficiency of production and processing. The droplets discharged with the airflow are adsorbed by the dust absorption plate 611. When the airflow acts on the dust absorption plate 611, the vibration spring 612 vibrates, so that the droplets attached to the dust absorption plate 611 fall into the chip box 613, thereby minimizing the impact of dust inclusions in the coating on it.
[0029] Working principle: During plasma spraying with the plasma spray gun 1, the sealed box door 406 is turned over to open the taking slot, the refrigeration frame 408 is pulled outward to extract it, frozen ice cubes are placed in the refrigeration frame 408, and then the refrigeration frame 408 is slid into the cooling box 3 along the movable slide 407, and the taking slot is sealed and closed with the sealed box door 406, the circulating pump 401 extracts the cooling water in the cooling box 3, the cooling water flows out through the return pipe 402 and is sprayed through the spray 403, the cooling water sprayed by the spray 403 falls on the splash pad 404, and the splash pad 404 prevents the falling cooling water from splashing everywhere, and the cooling water is sprayed on the surface of the ice cubes in the refrigeration frame 408 through the spray hole 405. After the cooling water contacts the ice cubes, the ice cubes The heat in the cooling box 3 is melted and absorbed, so that the temperature in the cooling box 3 is quickly reduced, and the fan 412 is started. The fan 412 generates wind force toward one side of the refrigeration frame 408, so that the cold air flow passes through the strip groove 409 and enters the drying component 6 from the ventilation pipe 5 and is discharged, so that the air flow temperature acting on the surface of the workpiece is lower, the cooling speed of the workpiece is accelerated, and then the efficiency of production and processing is improved. The water melted from the ice is filtered through the filter net 410, and then stored in the cooling box 3, and circulated through the circulation pump 401, thereby improving the utilization efficiency of water resources. The air flow cooled by the cooling component 4 enters the ventilation pipe 5, and the air flow passes through the moisture-absorbing cotton pad 601. The moisture mixed in the air flow is absorbed by the moisture-absorbing cotton pad 601, and the water after the preliminary water absorption treatment is discharged. The airflow is discharged through the air induction holes on the confluence plate 602 and enters the drying tube 1 606, and the airflow is dried by the drying tube 1 606. The guide rail slide 604 is adjusted at intervals, and the guide rail slide 604 slides along the surface of the annular guide rail 603 to rotate the fixed plate 605, and the other multiple drying tubes 1 606 are rotated to the positions corresponding to the air induction holes, so that the drying effect is maintained at a better level and the drying effect is good. The airflow after preliminary drying enters the ventilation tube 2 607, and then the airflow enters the ventilation tube 2 607 and passes through the drying tube 2 608. The airflow is dried twice by the drying tube 2 608, and then continues to flow along the ventilation tube 2 607. The airflow passes through the drying tube 3 610 and is discharged from the ventilation tube 2 607, and then passes through the drying tube 3 610. The drying tube three 610 further dries the airflow, and the drying effect is better, which prevents the wet airflow from contacting the workpiece and affecting the spraying effect. The dried airflow enters the air outlet pipe 614 through the exhaust hole, and the airflow enters the air inlet pipe 615 from the air outlet pipe 614 and enters the diversion joint pipe 617 through the diversion pipe 616. Finally, the dried airflow is blown to the surface of the workpiece through the cooling head 618, which quickly reduces the temperature of the workpiece and improves the efficiency of production and processing. The droplets discharged with the airflow are adsorbed by the dust absorption plate 611. When the airflow acts on the dust absorption plate 611, the vibration spring 612 vibrates, so that the droplets attached to the dust absorption plate 611 fall into the chip collection box 613, thereby minimizing the impact of dust inclusions in the coating.
[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A plasma spraying synchronous cooling device, comprising a plasma spraying gun (1), characterized in that: A spray gun head (2) is fixedly connected to the spray end of the plasma spray gun (1), and a fixing groove is provided on the bottom surface of the plasma spray gun (1), and a cooling box (3) is fixedly connected in the fixing groove, a cooling component (4) is arranged inside the cooling box (3), and a fixing hole connected to the interior of the cooling box (3) is provided on the outer side wall, and a ventilation pipe (5) is fixedly connected in the fixing hole, the cooling box (3) is connected to the ventilation pipe (5), and a drying component (6) is arranged inside the ventilation pipe (5); The cooling assembly (4) comprises a circulation pump (401), cooling water is stored at the bottom of the cooling box (3), a water outlet is provided on the side wall of the cooling box (3), the circulation pump (401) is fixedly connected to the outer side wall of the cooling box (3), and the input end of the circulation pump (401) is fixedly connected to the water outlet of the cooling box (3) through a pipeline, the output end of the circulation pump (401) is fixedly connected to a return pipe (402), one end of the return pipe (402) away from the circulation pump (401) is fixedly connected to a sprayer (403), and the sprayer (403) is fixedly connected to the top wall of the cooling box (3); The inner side wall of the cooling box (3) is fixedly connected to a water splash pad (404), the water splash pad (404) is arranged at the lower end of the spraying sprinkling (403), and the bottom surface of the water splash pad (404) is fixedly connected to a plurality of water spray holes (405), a refrigeration frame (408) is arranged at the bottom of the water splash pad (404), a filter screen (410) is arranged at the bottom of the refrigeration frame (408), and an overflow hole is opened on the side wall of the cooling box (3), and the height of the overflow hole is lower than the filter screen (410).
2. The plasma spraying synchronous cooling device according to claim 1, characterized in that: The cooling box (3) has a side wall provided with a taking-in slot, a sealed box door (406) rotatably arranged in the taking-in slot, positioning rods fixedly connected to the two side walls of the taking-in slot, a positioning hole provided on the side of the sealed box door (406) close to the positioning rod, the sealed box door (406) rotates on the circumferential surface of the positioning rod through the positioning hole, a movable slide (407) is fixedly connected to the inner side wall of the cooling box (3), and the height of the movable slide (407) is lower than the taking-in slot, a refrigeration frame (408) is slidably connected to the movable slide (407), the bottom surface of the refrigeration frame (408) is flush with the lower opening of the taking-in slot, and a plurality of strip grooves (409) are provided on the two side walls and the bottom surface of the refrigeration frame (408).
3. The plasma spraying synchronous cooling device according to claim 2, characterized in that: An air inlet filter frame (411) is fixedly connected to the outer wall of the cooling box (3) on the side away from the ventilation pipe (5), and a fan (412) is fixedly connected to the inner wall of the air inlet filter frame (411) on the side close to the cooling box (3). The fan (412) is arranged on the side of the refrigeration frame (408), and the air supply end of the fan (412) is arranged toward the side of the refrigeration frame (408).
4. The plasma spraying synchronous cooling device according to claim 3, characterized in that: The drying component (6) comprises a moisture-absorbing cotton pad (601), the outer side wall of the moisture-absorbing cotton pad (601) is fixedly connected to the inner side wall of the ventilation pipe (5), and the moisture-absorbing cotton pad (601) is arranged close to one end of the cooling box (3), and the side of the moisture-absorbing cotton pad (601) away from the cooling box (3) is fixedly connected to a collection plate (602), and the collection plate (602) is provided with air inlet holes.
5. The plasma spraying synchronous cooling device according to claim 4, characterized in that: A circular guide rail (603) is provided on the side of the confluence plate (602) away from the cooling box (3), the circular guide rail (603) is fixedly connected to the inner side wall of the ventilation pipe (5), and the surface of the circular guide rail (603) is slidably connected to two symmetrically arranged guide rail slides (604), and a fixed plate (605) is fixedly connected to the outer wall of the guide rail slide (604) away from the circular guide rail (603), and a plurality of mounting holes distributed in a circular array are opened inside the fixed plate (605), and the mounting holes are arranged corresponding to the air duct holes, and a drying pipe (606) is fixedly connected in each mounting hole, and the interior of the drying pipe (606) is filled with a desiccant.
6. The plasma spraying synchronous cooling device according to claim 5, characterized in that: A ventilation pipe 2 (607) is arranged on the side of the drying pipe 1 (606) away from the annular guide rail (603). The ventilation pipe 2 (607) is fixedly connected to the inner side wall of the ventilation pipe 1 (5). The middle of the outer walls on both sides of the ventilation pipe 2 (607) are provided with air holes connected to the interior of the ventilation pipe 1 (607). A drying pipe 2 (608) is fixedly connected to the inner side wall of the ventilation pipe 2 (607) close to the drying pipe 1 (606). The outer wall of the drying pipe 2 (608) away from the drying pipe 1 (606) is fixedly connected to the inner side wall of the drying pipe 1 (606). A connecting seat (609) is connected, and a drying tube three (610) is fixedly connected to the outer wall of the connecting seat (609) on the side away from the drying tube two (608), and the interiors of the drying tube two (608) and the drying tube three (610) are filled with desiccant, and the diameters of the drying tube two (608) and the drying tube three (610) are the same and smaller than the inner diameter of the ventilation tube two (607), and the outer wall of the drying tube three (610) on the side away from the connecting seat (609) is fixedly connected to the inner side wall of the ventilation tube two (607).
7. The plasma spraying synchronous cooling device according to claim 6, characterized in that: Two vibration springs (612) are fixedly connected to the inner wall of the ventilation pipe 1 (5) on the side away from the cooling box (3); an exhaust hole is provided on the outer wall of the ventilation pipe 1 (5) on the side away from the cooling box (3); the two vibration springs (612) are symmetrically arranged about the exhaust hole; one end of the vibration spring (612) close to the cooling box (3) is fixedly connected to a dust collecting plate (611); the bottom of the ventilation pipe 1 (5) is fixedly connected to a chip collecting box (613); the chip collecting box (613) is communicated with the interior of the ventilation pipe 1 (5), and the chip collecting box (613) is arranged at the lower end of the dust collecting plate (611).
8. The plasma spraying synchronous cooling device according to claim 7, characterized in that: The end of the ventilation pipe (5) away from the cooling box (3) is fixedly connected to an air outlet pipe (614), the air outlet pipe (614) is fixedly connected to the exhaust hole, and the end of the air outlet pipe (614) away from the ventilation pipe (5) is fixedly connected to an air inlet pipe (615), the air outlet pipe (614) is connected to the inside of the air inlet pipe (615), the air inlet pipe (615) is fixedly connected to the outer side wall of the spray gun head (2), and a plurality of circular arrays are fixedly connected to the outer side wall of the air inlet pipe (615). A diverter pipe (616) is arranged in a row, a diverter joint pipe (617) is fixedly connected to a side of the diverter pipe (616) away from the air inlet pipe (615), two ends of the diverter pipe (616) are connected to the inside of the air inlet pipe (615) and the diverter joint pipe (617), and a plurality of cooling air heads (618) arranged in a circumferential array are fixedly connected to the outer wall of the side of the diverter joint pipe (617) away from the spray gun head (2), and the cooling air heads (618) are connected to the inside of the diverter joint pipe (617).
Citation Information
Patent Citations
Plasma flame spraying equipment with gas recovery processing device
CN215404450U
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