CN214529209U - Water cooling system for thermal spraying - Google Patents
Water cooling system for thermal spraying Download PDFInfo
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- CN214529209U CN214529209U CN202022810499.6U CN202022810499U CN214529209U CN 214529209 U CN214529209 U CN 214529209U CN 202022810499 U CN202022810499 U CN 202022810499U CN 214529209 U CN214529209 U CN 214529209U
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Abstract
The utility model relates to a water cooling system for thermal spraying, which comprises a frame, a support rod, a water tank, a water pump, a water inlet pipe, a water outlet pipe, a reflux groove and a water spraying ring; the water spraying ring is arranged on one side of the thermal spraying spray gun, one end of the supporting rod is fixed on the rack, the other end of the supporting rod is fixedly connected with the water spraying ring, a cavity is formed in the water spraying ring, a water spraying hole with one end communicated with the cavity is formed in the inner side of the water spraying ring, two ends of the water inlet pipe are respectively communicated with the water pump and the cavity, the water pump is arranged in the water tank, and two ends of the water outlet pipe are respectively communicated with the water tank and the reflux groove; the reflux groove is arranged right below the water spraying ring; the water spray ring sprays cooling water to the surface of the pipe base material after thermal spraying through the water spray holes, the cooling water takes away the surface temperature of the pipe base material solidified by the spraying material, a certain temperature gradient is formed, the temperature of the spraying point of the thermal spraying spray gun on the pipe base material is reduced, the rapid cooling of the thermal spraying material on the surface of the pipe base material is accelerated, and the formation of flow marks is reduced or avoided.
Description
Technical Field
The utility model discloses hot spraying equipment technical field, concretely relates to water cooling system for hot spraying.
Background
Thermal spraying is a method of heating a spraying material to a molten or semi-molten state by using a heat source, and spraying and depositing the spraying material on the surface of a pretreated substrate at a certain speed to form a coating. The working surface with special performance is formed on the surface of the base material, so that the surface of the base material has one or more of good performances of corrosion resistance, wear resistance, friction reduction, high temperature resistance, oxidation resistance, heat insulation, electric conduction and the like, the original performance of the base material is reserved, and the purpose of saving the spraying material is achieved. Common shapes of substrates present plates, rods, tubes, or the like. When a part of the tube base material is sprayed, the spraying material sprayed on the surface of the tube base material has higher temperature and needs to be cooled in time; thereby preventing the spray material from flowing on the surface of the pipe base material to form flow marks.
SUMMERY OF THE UTILITY MODEL
In order to accelerate the rapid cooling of the thermal spraying material on the surface of the pipe base material and reduce or avoid the formation of flow marks, the utility model provides a water cooling system for thermal spraying; in order to achieve the above object, the utility model discloses a technical scheme specifically as follows:
a water cooling system for thermal spraying comprises a frame, a support rod, a water tank, a water pump, a water inlet pipe, a water outlet pipe, a reflux groove and a water spraying ring for inserting a pipe base material after thermal spraying; the water spraying ring is arranged on one side of the thermal spraying spray gun, one end of the supporting rod is fixed on the rack, the other end of the supporting rod is fixedly connected with the water spraying ring, a cavity is formed in the water spraying ring, a water spraying hole with one end communicated with the cavity is formed in the inner side of the water spraying ring, two ends of the water inlet pipe are respectively communicated with the water pump and the cavity, the water pump is arranged in the water tank, and two ends of the water outlet pipe are respectively communicated with the water tank and the backflow groove; the backflow groove is arranged right below the water spraying ring.
The utility model discloses a water cooling system for hot spraying's beneficial effect: the water spray ring sprays cooling water to the surface of the pipe base material after thermal spraying through the water spray holes, the cooling water takes away the surface temperature of the pipe base material solidified by the spraying material, a certain temperature gradient is formed, the temperature of the spraying point of the thermal spraying spray gun on the pipe base material is reduced, the rapid cooling of the thermal spraying material on the surface of the pipe base material is accelerated, and the formation of flow marks is reduced or avoided.
Furthermore, the water spraying ring comprises an upper semi-enclosing part and a lower semi-enclosing part, wherein the upper semi-enclosing part is hinged with one end of the lower semi-enclosing part, and the other end of the upper semi-enclosing part is connected with the other end of the lower semi-enclosing part through a bolt; the cavity is arranged in the upper semi-enclosed part, and the water spray hole is arranged on the inner side of the upper semi-enclosed part.
Has the advantages that: one end between the upper semi-enclosing part and the lower semi-enclosing part is hinged, and the other end is connected by a bolt, so that the pipe base material can be conveniently inserted into the water spraying ring; the feeding efficiency is improved.
Further, the number of the water spray holes is at least 3, and the water spray holes are evenly spaced along the circumferential direction of the water spray ring and are respectively arranged on the inner side of the upper semi-enclosing part.
Has the advantages that: the plurality of water spray holes are arranged, the circumferential surface of the pipe base material after thermal spraying is sprayed with water and flows along the circumferential surface under the action of gravity, and more heat can be taken away by water; the utilization efficiency of the cooling water is improved.
Furthermore, a groove is formed in the inner side of the lower semi-surrounding portion, the groove forms the backflow groove, and one end of the water outlet pipe is fixed to the lower semi-surrounding portion and is used for being communicated with the groove.
Has the advantages that: set up the backwash tank on the inboard of lower semi-enclosure portion, in time collect the cooling water that sprays from upper semi-enclosure portion, prevent that the cooling water from splashing, reduce the waste of cooling water.
Furthermore, arc-shaped plates are respectively arranged on one sides of the upper semi-enclosing part and the lower semi-enclosing part, which are close to the thermal spraying spray gun; the two arc plates are enclosed to form a through hole for the thermal sprayed pipe base material to pass through.
Has the advantages that: through setting up the arc, the arc is cut apart between spray ring and the hot spraying spray gun, reduces or avoids cooling water to splash to the spraying point of hot spraying spray gun, reduces hot spraying quality.
Furthermore, one side of the water spraying ring, which is close to the thermal spraying spray gun, is provided with an arc-shaped baffle, one end of the arc-shaped baffle is provided with a connecting plate which is used for being connected with the upper half enclosing part, and the arc-shaped baffle is provided with a pipe hole through which the thermal spraying spray gun is inserted.
Has the advantages that: the arc-shaped baffle is used for preventing the thermal spraying material from splashing or rebounding from a spraying point when the thermal spraying spray gun sprays, and potential safety hazards caused by splashing of the high-temperature spraying material are reduced.
Furthermore, a cavity is formed in the arc-shaped baffle, and a water inlet branch pipe and a water outlet branch pipe are arranged between the arc-shaped baffle and the water inlet pipe and between the arc-shaped baffle and the water outlet pipe respectively; the water inlet branch pipe is used for communicating the cavity with the water inlet pipe, and the water outlet branch pipe is used for communicating the cavity with the water outlet pipe.
Has the advantages that: the cavity is formed in the arc-shaped baffle, cooling water is injected into the cavity and cools the arc-shaped baffle, so that the scalding of high-temperature spraying materials to the arc-shaped baffle is reduced or avoided, and the service life of the arc-shaped baffle is prolonged.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of a water cooling system for thermal spraying according to the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;
fig. 5 is a cross-sectional view of a curved baffle of an embodiment of a water cooling system for thermal spray according to the present invention.
Reference numbers in the figures: 1-a rack, 2-a support rod, 3-a water tank, 4-a water pump, 5-a water inlet pipe, 6-a water outlet pipe, 7-a reflux groove, 8-a water spray ring, 81-a water spray hole, 82-a cavity, 83-an upper half enclosing part, 84-a lower half enclosing part, 85-an arc plate, 86-a through hole, 9-an arc baffle, 10-a connecting plate, 11-a pipe hole, 12-a cavity, 13-a water inlet branch pipe and 14-a water outlet branch pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:
the embodiment of the water cooling system for thermal spraying of the utility model has the specific structure as shown in fig. 1-5, and comprises a frame 1, a support rod 2, a water tank 3, a water pump 4, a water inlet pipe 5, a water outlet pipe 6, a reflux tank 7 and a water spraying ring 8 inserted by a heat supply spraying rear pipe base material; the water spraying ring 8 is arranged on one side of the thermal spraying spray gun, one end of the support rod 2 is fixed on the rack 1, the other end of the support rod 2 is fixedly connected with the water spraying ring 8, a cavity 82 is arranged in the water spraying ring 8, a water spraying hole 81 with one end communicated with the cavity 82 is arranged on the inner side of the water spraying ring 8, two ends of the water inlet pipe 5 are respectively communicated with the water pump 4 and the cavity 82, the water pump 4 is arranged in the water tank 3, the water tank 3 is positioned on one side of the rack 1, and two ends of the water outlet pipe 6 are respectively communicated with the water tank 3 and the reflux groove 7; the return tank 7 is disposed directly below the water spray ring 8.
In this embodiment, the water spraying ring 8 includes an upper semi-surrounding portion 83 and a lower semi-surrounding portion 84, and the support rod 2 and the water spraying ring 8 are fixedly connected to the upper semi-surrounding portion 83. The upper semi-enclosing part 83 is hinged with one end of the lower semi-enclosing part 84, and the other end is connected with a bolt; the chamber 82 is arranged in the upper semi-enclosed part 83, and the water spraying hole 81 is arranged on the inner side of the upper semi-enclosed part 83; one end of the upper semi-enclosing part 83 is hinged with the lower semi-enclosing part 84, and the other end is connected with a bolt, so that the pipe base material can be conveniently inserted into the water spraying ring 8; the feeding efficiency is improved. The number of the water spraying holes 81 is 6, and the water spraying holes are uniformly spaced along the circumferential direction of the water spraying ring 8 and are respectively arranged on the inner side of the upper semi-enclosing part 83; the cooling water is sprayed out from the water spray holes 81 along the radial direction of the water spray ring 8; the number of the water spraying holes 81 is set to 6, the circumferential surface of the pipe base material after thermal spraying is sprayed with water and flows along the circumferential surface under the action of gravity, and more heat can be taken away by water; the utilization efficiency of the cooling water is improved. A groove is formed on the inner side of the lower semi-enclosing part 84, the groove forms a backflow groove 7, and one end of the water outlet pipe 6 is fixed on the lower semi-enclosing part 84 and is used for being communicated with the groove; the return groove 7 is provided on the inner side of the lower semi-enclosed portion 84, and the cooling water sprayed from the upper semi-enclosed portion 83 is collected in time, so that the cooling water is prevented from splashing, and the waste of the cooling water is reduced. Arc-shaped plates 85 are respectively arranged on one sides of the upper semi-enclosing part 83 and the lower semi-enclosing part 84 close to the thermal spraying spray gun; the two arc-shaped plates 85 are enclosed to form a through hole 86 for the thermal sprayed pipe base material to pass through; through setting up arc 85, arc 85 cuts apart between water spray ring 8 and the thermal spraying spray gun, reduces or avoids cooling water to splash to the spraying point of thermal spraying spray gun, reduces the thermal spraying quality. In other embodiments, the number of the water spray holes is 3, 4, 5 or 7 or more, and the water spray holes are uniformly spaced along the circumferential direction of the water spray ring and are respectively arranged on the inner side of the upper semi-enclosing part.
In the embodiment, an arc-shaped baffle 9 is arranged on one side of the water spray ring 8 close to the thermal spray gun, a connecting plate 10 used for being connected with the upper half enclosing part 83 is arranged at one end of the arc-shaped baffle 9, and a pipe hole 11 for inserting the thermal spray gun is formed in the arc-shaped baffle 9; the arc-shaped baffle 9 is used for preventing the thermal spraying material from splashing or rebounding from a spraying point when the thermal spraying spray gun sprays, and potential safety hazards caused by splashing of the high-temperature spraying material are reduced. A cavity 12 is arranged in the arc baffle 9, and a water inlet branch pipe 13 and a water outlet branch pipe 14 are arranged between the arc baffle 9 and the water inlet pipe 5 and the water outlet pipe 6 respectively; the water inlet branch pipe 13 is used for communicating the cavity 12 with the water inlet pipe 5, and the water branch pipe is used for communicating the cavity 12 with the water outlet pipe 6; and cooling water is injected into the cavity 12 and cools the arc-shaped baffle 9, so that the scalding and corrosion of high-temperature spraying materials on the arc-shaped baffle 9 are reduced or avoided, and the service life of the arc-shaped baffle 9 is prolonged. In other embodiments, the arc-shaped baffle is fixedly connected with the lower semi-enclosure part through the connecting plate instead of being connected with the upper semi-enclosure part.
When the device is used, the water spray ring 8 sprays cooling water on the surface of the pipe base material after thermal spraying through the water spray holes 81, the cooling water takes away the temperature of the solidified pipe base material surface of the spraying material to form a certain temperature gradient, the temperature of the spraying point of the thermal spraying spray gun on the pipe base material is reduced, the rapid cooling of the thermal spraying material on the surface of the pipe base material is accelerated, and the formation of flow marks is reduced or avoided; the cooling water at the spraying position flows into the water tank 3 through the collection of the return groove 7 arranged on the lower semi-enclosing part 84 and the flow guiding effect of the water outlet pipe 6; during thermal spraying, the arc-shaped baffle 9 blocks thermal spraying materials which splash or rebound from a spraying point during spraying of a thermal spraying spray gun, and potential safety hazards caused by splashing of high-temperature spraying materials are reduced.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (7)
1. A water cooling system for thermal spraying is characterized by comprising a rack, a support rod, a water tank, a water pump, a water inlet pipe, a water outlet pipe, a reflux groove and a water spraying ring for inserting a pipe base material after thermal spraying; the water spraying ring is arranged on one side of the thermal spraying spray gun, one end of the supporting rod is fixed on the rack, the other end of the supporting rod is fixedly connected with the water spraying ring, a cavity is formed in the water spraying ring, a water spraying hole with one end communicated with the cavity is formed in the inner side of the water spraying ring, two ends of the water inlet pipe are respectively communicated with the water pump and the cavity, the water pump is arranged in the water tank, and two ends of the water outlet pipe are respectively communicated with the water tank and the backflow groove; the backflow groove is arranged right below the water spraying ring.
2. The water cooling system for thermal spraying according to claim 1, wherein the spray ring comprises an upper semi-enclosure part and a lower semi-enclosure part, the upper semi-enclosure part is hinged with one end of the lower semi-enclosure part, and the other end of the upper semi-enclosure part is connected with a bolt; the cavity is arranged in the upper semi-enclosed part, and the water spray hole is arranged on the inner side of the upper semi-enclosed part.
3. The water cooling system for thermal spraying according to claim 2, wherein the number of the water ejection holes is at least 3, and the water ejection holes are evenly spaced along the circumferential direction of the water ejection ring on the inner side of the upper half enclosure portion, respectively.
4. The water cooling system for thermal spraying according to claim 2, wherein a groove is formed on an inner side of the lower semi-surrounding portion, the groove forms the backflow groove, and one end of the water outlet pipe is fixed to the lower semi-surrounding portion and is used for communicating with the groove.
5. The water cooling system for thermal spraying according to claim 3 or 4, wherein arc-shaped plates are provided on the sides of the upper semi-enclosure and the lower semi-enclosure, which are close to the thermal spraying torch, respectively; the two arc plates are enclosed to form a through hole for the thermal sprayed pipe base material to pass through.
6. The water cooling system for thermal spraying according to claim 2, wherein an arc-shaped baffle is arranged on one side of the water spray ring close to the thermal spraying spray gun, a connecting plate used for being connected with the upper half enclosing part is arranged at one end of the arc-shaped baffle, and a pipe hole for inserting the thermal spraying spray gun is formed in the arc-shaped baffle.
7. The water cooling system for thermal spraying according to claim 6, wherein a cavity is formed in the arc-shaped baffle, and a water inlet branch pipe and a water outlet branch pipe are arranged between the arc-shaped baffle and the water inlet pipe and the water outlet pipe respectively; the water inlet branch pipe is used for communicating the cavity with the water inlet pipe, and the water outlet branch pipe is used for communicating the cavity with the water outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022810499.6U CN214529209U (en) | 2020-11-30 | 2020-11-30 | Water cooling system for thermal spraying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022810499.6U CN214529209U (en) | 2020-11-30 | 2020-11-30 | Water cooling system for thermal spraying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214529209U true CN214529209U (en) | 2021-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022810499.6U Active CN214529209U (en) | 2020-11-30 | 2020-11-30 | Water cooling system for thermal spraying |
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| Country | Link |
|---|---|
| CN (1) | CN214529209U (en) |
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2020
- 2020-11-30 CN CN202022810499.6U patent/CN214529209U/en active Active
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