CN217948235U

CN217948235U - Synchronous cooling system for supersonic flame spraying thin-wall base material

Info

Publication number: CN217948235U
Application number: CN202221570695.3U
Authority: CN
Inventors: 杨跃; 张国锋; 李旺; 唐日轩
Original assignee: Luoyang Golden Egret Geotools Co ltd
Current assignee: Luoyang Golden Egret Geotools Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-12-02
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses a supersonic flame spraying thin wall substrate uses the synchronous cooling system, this cooling system includes air-cooled subassembly and water-cooled subassembly, the air-cooled subassembly includes the braced frame that is fixed in on the spray gun rifle body, locates a pair of wedge-shaped connecting block of braced frame both sides and fixes to a pair of ventilation pipe on two wedge-shaped connecting blocks, the ventilation pipe is symmetrically located on the spray gun rifle body both sides and is in the same horizontal plane with the spray gun rifle body; the water cooling assembly comprises a front plate used for fixing the thin-wall substrate, a rear plate detachably connected with the front plate, and a water cooling pipe clamped between the front plate and the rear plate and used for cooling the thin-wall substrate, wherein a water inlet and a water outlet of the water cooling pipe are respectively connected with a water inlet pipe and a water return pipe of the circulating water tank. The cooling system comprises the air cooling assembly and the water cooling assembly, and the air cooling assembly and the water cooling assembly jointly act to play a cooling role in spraying operation of the thin-wall substrate, so that continuous spraying of flame is maintained, and the purpose of reducing cost is achieved.

Description

Synchronous cooling system for supersonic flame spraying thin-wall base material

Technical Field

The utility model relates to a surface engineering supersonic speed flame spraying operation technical field, specific supersonic speed flame spraying synchronous cooling system for thin wall substrate that says so.

Background

Supersonic flame spraying technology features that the liquid entering combustion chamber through small hole, such as kerosene, is atomized and mixed with oxygen and ignited to generate strong gas phase reaction, the heat energy generated by combustion expands the resultant violently, and the expanding gas flows through Laval nozzle and is constrained by the nozzle to form supersonic high-temp flame flow. The flame stream heats and accelerates the spray material to the substrate surface to form a high quality coating. The substrate temperature will rise continuously with continued heating. The continuous rise of temperature causes the shape of the thin-wall substrate to change, and the coating has the phenomena of cracking, layering and even peeling, so the cooling treatment of the thin-wall substrate in the supersonic spraying operation becomes an essential process. For example, chinese patent No. CN210357917U discloses a thermal spray air cooling device, which uses a metal support as a carrier and guides compressed air to perform direct blowing cooling. The whole carrier is too heavy, the flexibility is influenced, and a plurality of blind spots cannot be reached due to the limitation of the carrier frame. The universal air pipe can vibrate as the compressed air output end in work, and the setting position cannot be guaranteed when the action is violent or the flow rate of compressed air is too high.

SUMMERY OF THE UTILITY MODEL

In order to solve not enough among the prior art, the utility model provides a supersonic speed flame spraying is synchronous cooling system for thin wall substrate, this cooling system include forced air cooling subassembly and water-cooling subassembly, and forced air cooling subassembly and water-cooling subassembly combined action can play the cooling action when thin wall substrate spraying operation, and then maintain the continuous spraying of flame to reach reduce cost's purpose.

In order to realize the purpose, the utility model discloses a specific scheme do:

a supersonic flame spraying thin wall substrate uses the synchronous cooling system, comprising:

the air cooling assembly comprises a supporting frame fixed on the spray gun body, a pair of wedge-shaped connecting blocks arranged on two sides of the supporting frame and a pair of ventilation pipes fixed on the two wedge-shaped connecting blocks, the ventilation pipes are symmetrically arranged on two sides of the spray gun body and are positioned on the same horizontal plane with the spray gun body, the air outlet of each ventilation pipe is over against the spraying surface of the thin-wall base material, and the air inlet of each ventilation pipe is connected with the compressor through a hose;

the water cooling assembly comprises a front plate used for fixing the thin-wall substrate, a rear plate detachably connected with the front plate, and a water cooling pipe clamped between the front plate and the rear plate and used for cooling the thin-wall substrate, wherein a water inlet and a water outlet of the water cooling pipe are respectively connected with a water inlet pipe and a water return pipe of the circulating water tank.

Further, the distance between the air outlets of the two ventilation pipes is smaller than that between the air inlets.

Further, the wedge angle of the wedge-shaped connecting block is 3 to 5 degrees.

Furthermore, the positions where the air blown out from the air outlets of the two ventilation pipes reaches the thin-wall base material are respectively located at the left and right 5cm positions of the center of the flame sprayed by the spray gun.

Furthermore, a plurality of groups of arc-shaped grooves are correspondingly arranged on the opposite side walls of the front plate and the rear plate, and the space surrounded by the arc-shaped grooves is used for penetrating a water-cooling pipe.

Furthermore, the front plate and the rear plate are both made of aluminum alloy, and the water cooling pipe is made of copper.

Furthermore, the rear plate is provided with heat dissipation teeth.

Furthermore, a plurality of pairs of bolt holes are formed in the front plate.

Further, the spray gun body is arranged in the support frame in a penetrating mode, and the bottom frame of the support frame is detachably connected with the spray gun body.

Furthermore, the material of the vent pipe is stainless steel.

Has the advantages that:

(1) The utility model provides an air-cooled subassembly provides microthermal compressed air through the compressor, avoids the flame to spray the route, lasts to the spraying face of thin wall substrate and sprays compressed air for thin wall substrate heat scatters and disappears, and through the homothermal cooling water source of water-cooled subassembly supply simultaneously, the water-cooled tube lasts the cooling through the good front bezel of heat conductivity to the thin wall substrate.

(2) The utility model provides an air cooling subassembly adopts and all sets up the ventilation pipe in the left and right sides of the spray gun rifle body, can guarantee that flame all is in by the cooling state around flame and thin wall substrate contact when the translation.

(3) The utility model discloses an air-cooled subassembly is including being fixed in the braced frame on the spray gun rifle body, and braced frame's both sides are located to the ventilation pipe, can accompany spray gun rifle body synchronous motion, realize the general of whole work pieces, do not have the blind spot problem.

(4) The utility model discloses well air-cooled subassembly can be according to the diameter of actual rifle type rational selection ventilation pipe and the even and cooling rate of adjustment air supply department amount of wind size in order to guarantee the air output, can more effectually cool off the thin wall substrate.

(5) The utility model discloses between well stainless steel's ventilation pipe and the wedge-shaped connection piece, be welded fastening between wedge-shaped connection piece and the braced frame, very firm avoids appearing the problem of vibration and aversion.

(6) The utility model discloses well water-cooling subassembly is according to thin wall substrate processing technology needs, and the cooling rate can be guaranteed with the velocity of flow of intaking to the reasonable circulating water temperature of intaking that sets up, has the circulating water to guarantee incessant cooling treatment because of lasting expert.

(7) The utility model discloses be equipped with the heat dissipation tooth on the well back plate, this is because need be equipped with dust collecting system during supersonic speed spraying operation, and the back plate is close with the dust collecting system wind gap, can guarantee that a large amount of wind passes through the heat dissipation tooth on the back plate, when carrying out circulating water cooling, plays the effect that the forced air cooling supplyed, has increased cooling efficiency.

(8) The utility model discloses be equipped with on the well front bezel and to the bolt hole thin wall substrate that can be used to the not unidimensional clamping.

(9) The utility model discloses the material of well front and back board adopts the aluminum alloy and the preparation material of water-cooling tube is copper, has not only ensured heat conduction speed, has ensured cooling system's light simultaneously.

(10) The utility model discloses well synchronous cooling system has possessed advantages such as light, operation stability, safety and be convenient for dismouting and location, excellent in use effect.

Drawings

Fig. 1 is a schematic diagram of a cooling system according to the present invention.

Fig. 2 is a second schematic structural diagram of the cooling system of the present invention.

The device comprises graphic marks, 1, a ventilation pipe, 2, a spray gun body, 3, a wedge-shaped connecting block, 4, an air hose, 5, a gas pipe quick-plug connector, 6, a supporting frame, 7, a flame flow containing particles, 8, a front plate, 9, a rear plate, 10, a water pipe quick-plug connector, 11, a rubber hose, 12, a water cooling pipe, 13, bolt holes, 14 and a thin-wall base material.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to specific embodiments, and it should be understood that the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The cooling system in the utility model comprises an air cooling component and a water cooling component, wherein the air cooling component can ensure that low-temperature constant-speed air continuously passes through the surface of the thin-wall substrate 14 at high speed, and accelerate the heat dissipation of the substrate; meanwhile, the water cooling component can ensure that a constant-temperature cooling medium is contacted with the thin-wall base material 14 to conduct heat, so that the thin-wall base material 14 is continuously cooled. The air cooling assembly comprises a ventilation pipe 1, a wedge-shaped connecting block 3, an air hose 4, an air pipe quick-connection plug 5 and a supporting frame 6. The water cooling component comprises a front plate 8, a rear plate 9, a water pipe quick-connection plug 10, a rubber hose 11 and a water cooling pipe 12.

In the air cooling component, two ventilation pipes 1 are hollow stainless steel pipes, the air outlets of the ventilation pipes 1 are opposite to the spraying surface of the thin-wall substrate 14, the air inlets are connected with an air hose 4 through a quick air pipe plug 5, and the air hose 4 is communicated with a compressor. The ventilation pipe 1 is welded and fixed on the wedge-shaped connecting block 3, and meanwhile, the wedge-shaped connecting block 3 is welded on two sides of the supporting frame 6. The spray gun body 2 is connected with a support frame 6 through bolts, and the support frame 6 is connected with the mobile manipulator in a matching way. Wherein the ventilation pipe 1 and the spray gun body 2 are ensured to be on the same horizontal plane. The distance between the air outlets of the two ventilation pipes 1 is smaller than that between the air inlets, wherein the angle of the wedge angle A of the two wedge-shaped connecting blocks 3 is 3-5 degrees, and the position of the thin-wall base material 14 reached by the air blown out from the two ventilation pipes 1 is ensured to be positioned at the left and right 5cm of the flame center (flame flow 7 containing particles) sprayed out from the spray gun body 2 by adjusting the angle of the wedge angle A of the wedge-shaped connecting blocks according to the actual gun shape and the process requirements.

The water cooling assembly comprises a front plate 8 used for fixing the thin-wall substrate 14, a rear plate 9 detachably connected with the front plate 8, and a water cooling pipe 12 clamped between the front plate 8 and the rear plate 9 and used for cooling the thin-wall substrate 14, wherein a water inlet and a water outlet of the water cooling pipe 12 are respectively connected with a water inlet pipe and a water return pipe of the circulating water tank.

The front plate 8 is provided with a plurality of pairs of bolt holes, and the thin-walled base material 14 can be fixed to the front plate 8 by fitting the clamping bolts to the bolt holes.

The front plate 8 and the rear plate 9 are both made of aluminum alloy, and the water-cooling tubes 12 are made of copper.

In detail, threaded holes are formed in the front plate 8 and the rear plate 9, and the front plate 8 and the rear plate 9 can be connected through the cooperation of fastening screws and the threaded holes.

As the supersonic spraying equipment needs to be provided with a dust collecting system, the rear plate 9 is close to an air port of the dust collecting system, and the heat dissipation teeth are arranged on the rear plate 9, so that a large amount of air can be ensured to pass through the heat dissipation teeth, the effect of air cooling supplement is achieved while circulating water cooling is carried out, and the cooling efficiency is increased. Wherein, the action of heat dissipation tooth and arc wall does not influence each other.

Wherein, a plurality of groups of arc-shaped grooves are correspondingly arranged on the opposite side walls of the front plate 8 and the rear plate 9, and the space enclosed by the arc-shaped grooves is used for penetrating a water-cooling pipe 12. Two ends of the water cooling pipe 12 are connected with water pipe quick-plugging connectors 10, the water pipe quick-plugging connectors 10 are connected with rubber hoses 11, one end of each of the two rubber hoses 11 is communicated with a water inlet pipe of the circulating water tank, and the other end of each of the two rubber hoses is communicated with a water return pipe of the circulating water tank.

In detail, the spray gun body 2 is arranged in the support frame 6 in a penetrating manner, and the bottom frame of the support frame 6 is detachably connected with the spray gun body 2.

Example 1

As shown in fig. 1 and 2, the synchronous cooling system of the present invention includes an air cooling assembly and a water cooling assembly, wherein the air cooling assembly includes a ventilation pipe 1, a wedge-shaped connection block 3, an air hose 4, a quick air pipe connector 5, and a support frame 6; the water cooling component comprises a front plate 8, a rear plate 9, a water pipe quick-connection plug 10, a rubber hose 11 and a water cooling pipe 12.

The air cooling component is characterized in that a ventilation pipe 1 in the air cooling component is a stainless steel pipe with the length of 350-400 mm and the inner diameter of 9.5mm, the front end of the ventilation pipe 1 is used for exhausting air, the rear end of the ventilation pipe 1 is connected with a No. 12 air pipe quick-connection plug 5, the air pipe quick-connection plug 5 is connected with an air hose 4 with the outer diameter of 12mm, the positions of air blown out of the two ventilation pipes 1 reaching a thin-wall base material 14 are located at the positions of 5cm on the left side and the right side of the center of flame sprayed out of a spray gun body 2 according to simulation calculation, and the wedge angle A of a wedge-shaped connecting block 3 is designed to be 3-5 degrees. Manufacturing a supporting frame 6 with an outer frame length, width and height of 125mm multiplied by 81mm multiplied by 180mm and a wall thickness of 8mm, connecting the supporting frame 6 and a spray gun body 2 through a bolt hole below the spray gun body 2, welding a wedge-shaped connecting block 3 with an adjusted angle with the supporting frame 6, ensuring that the distance between the front end edge lines of the inclination angles of the wedge-shaped connecting block 3 is 129mm, ensuring that a ventilation pipe 1 and the spray gun body 2 are positioned on the same horizontal plane, and introducing 4-8 kg of compressed air into an air hose 4.

The front plate 8 has a length of 200mm, a width of 150mm and a thickness of 20mm. The back plate 9 has a length of 200mm, a width of 150mm and a thickness of 36mm. The front plate 8 is connected with the back plate 9 through bolts, the front plate 8 and the back plate 9 clamp 5 water-cooling pipes 12 with the radius of 8mm, and joints of the two parallel copper pipes are welded through copper pipe elbows. A copper pipe with the radius of 8mm is connected with a rubber hose 11 with the radius of 6mm by using a water pipe quick-connection plug 10. Circulating water with the flow rate of 26.5-45.4 l/min and the pressure of 3.4 bar is introduced into the rubber hose 11.

When the spray gun is used, the front face of the front plate 8 faces the spray gun, and the thin-wall base material 14 can be fixed on the front plate 8 through the matching of the clamping bolt and the bolt hole in the front plate 8.

To sum up, the utility model provides a cooling system includes air-cooled subassembly and water-cooling subassembly, and the air-cooled subassembly adopts the low temperature air to scatter and disappear at the coating surface heat through accelerating the coating fast, and the water-cooling subassembly adopts coolant and 14 contacts of thin wall substrate to carry out the heat conversion, and two subassembly combined action make the sustainable cooling of thin wall substrate 14, have solved the overheated unusual problem of coating that produces of supersonic speed flame spraying thin wall base member.

The foregoing is merely a preferred embodiment of the invention and is not to be construed as limiting the invention in any way. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A supersonic flame spraying thin wall synchronous cooling system for substrate, characterized by, includes:

the air cooling assembly comprises a support frame fixed on the spray gun body, a pair of wedge-shaped connecting blocks arranged on two sides of the support frame and a pair of ventilation pipes fixed on the two wedge-shaped connecting blocks, the ventilation pipes are symmetrically arranged on two sides of the spray gun body and are positioned on the same horizontal plane with the spray gun body, the air outlet of each ventilation pipe is over against the spraying surface of the thin-wall base material, and the air inlet of each ventilation pipe is connected with the compressor through a hose;

2. The synchronous cooling system of claim 1, wherein the distance between the air outlets of the two ventilation ducts is smaller than the distance between the air inlets.

3. The synchronous cooling system for the supersonic flame-sprayed thin-walled substrate as claimed in claim 1, wherein the wedge angle of the wedge-shaped connecting block is 3 to 5 °.

4. The system of claim 1, wherein the air from the outlets of the two air ducts reaches the thin-walled substrate at positions 5cm to the left and right of the center of the flame from the lance.

5. The synchronous cooling system of claim 1, wherein a plurality of sets of arc-shaped grooves are correspondingly formed in the opposite side walls of the front plate and the rear plate, and the space surrounded by the arc-shaped grooves is used for water cooling tubes.

6. The synchronous cooling system of claim 1, wherein the front plate and the back plate are made of aluminum alloy, and the water-cooled tube is made of copper.

7. The synchronous cooling system of claim 1, wherein the backplate comprises cooling teeth.

8. The synchronous cooling system for supersonic flame sprayed thin-walled substrate of claim 1, wherein a plurality of pairs of bolt holes are provided on the front plate.

9. The synchronous cooling system of claim 1, wherein the lance body is inserted into a support frame, and a bottom frame of the support frame is detachably connected to the lance body.

10. The synchronous cooling system of claim 1, wherein the vent tube is made of stainless steel.