CN215823440U

CN215823440U - Nozzle for cold spraying device and powder spraying device

Info

Publication number: CN215823440U
Application number: CN202122156666.4U
Authority: CN
Inventors: 陈浩; 高云鹏; 田文涛; 吕磊; 孙云飞; 李泽峰
Original assignee: Inner Mongolia Electric Power Research Institute of Inner Mongolia Power Group Co Ltd
Current assignee: Inner Mongolia Electric Power Research Institute of Inner Mongolia Power Group Co Ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-02-15
Anticipated expiration: 2031-09-08

Abstract

The utility model discloses a nozzle for a cold spraying device and a powder spraying device, which comprises a bottom plate, a supporting rod and a top plate, wherein the bottom plate and the top plate are fixedly connected through the supporting rod, the spraying device is provided with a fan, a heating pipe and collecting cloth, the fan is enabled to rotate reversely, air suction is further formed, redundant powder coating is brought into the collecting cloth, the powder coating is collected, the environment is prevented from being polluted, the powder coating is prevented from flying apart, the powder coating can be reused, after the spraying of a product is finished, the fan and the heating pipe are simultaneously started, the fan blows hot air upwards, the hot air is blown to the outer surface of the sprayed product, the curing process of the powder coating can be accelerated, the outer surface of the product is rapidly cured, a dustproof sheet is arranged on the spraying head, after the spraying of the product is finished, the dustproof sheet covers the spraying head through rotating, and impurities are prevented from entering a nozzle, protect it, prevent that the dust from blockking up the spout.

Description

Nozzle for cold spraying device and powder spraying device

Technical Field

The utility model belongs to the technical field of cold spraying, and particularly relates to a nozzle for a cold spraying device and a powder spraying device.

Background

Cold spraying is a surface spraying process, which utilizes high-pressure gas to generate supersonic flow through a convergent-divergent tube, carries metal powder particles to impact the surface of a substrate, and the particles are plastically deformed and firmly attached to the surface of the substrate to form a coating. The metal particles remain in a solid state throughout the process. The cold spraying technology is used for preparing protective coatings and various functional coatings and is widely applied to the fields of biomedicine, electronic industry, aerospace and the like. Cold spray techniques, unlike well known thermal spray methods, can use unmelted metal particles to produce a metal coating on the surface being processed. The cold spraying technology has the advantages of low porosity of the coating, low heat load of the base material and the coating, less material oxidation, elimination of nonuniform crystallization in the coating and great advantages.

The prior nozzle and spraying device technology has the following problems: when the metal nozzle used for cold spraying at present is not used, dust and impurities in the air are easy to absorb, so that the nozzle hole is blocked or the spraying is uneven, the spraying quality of a product is unstable, powder is easy to scatter in the spraying process, the environment is polluted, and waste is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a nozzle for a cold spraying device and a powder spraying device, and aims to solve the problems that the nozzle is easy to absorb dust and impurities in air to cause the blockage of a nozzle hole and the powder is easy to scatter in the spraying process to pollute the environment in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a nozzle and powder spraying device for cold spraying device, includes bottom plate and bracing piece and roof, bottom plate and roof pass through bracing piece fixed connection, the upper end of bottom plate is provided with the collecting box that is used for collecting the powder, the front end of collecting box is provided with the chamber door, the upper end of chamber door is provided with the spray booth that is used for the product spraying, be provided with two clamping device that are used for fixed product on the inner wall of spray booth, the one end of spray booth is provided with and is used for driving clamping device pivoted motor, the inside of collecting box is provided with the collection cloth that is used for the powder to collect, still be provided with the heating pipe in the collecting box of collection cloth downside, be fixed with the fan on the collecting box lower extreme inner wall.

Preferably, clamping device includes the lower plate, the one end of lower plate is fixed with the connecting axle, the other end of connecting axle is fixed with the rotation piece, the upper end of lower plate is fixed with the mount, movable groove has been seted up to the inside of mount, movable groove's inside is provided with the punch holder, the upper end of lower plate still is fixed with the threaded rod, the punch holder is passed to the top of threaded rod, the upper end cover of threaded rod is equipped with the screw cap.

Preferably, the inner wall of the spraying chamber is provided with a rotating groove matched with the rotating block, the inner wall of the movable groove is fixed with a guide rail, the inside of the upper clamp plate is provided with a sliding hole matched with the guide rail, and the inside of the upper clamp plate is further provided with a through hole matched with the threaded rod.

Preferably, a storage box is fixed at the lower end of the top plate, a spraying pipe is connected to the lower end of the storage box, a spray head is connected to the lower end of the spraying pipe, a dustproof sheet is arranged at the lower end of the spray head, and the dustproof sheet is rotatably connected with the spray head through a rotating shaft.

Preferably, one end of the support rod is fixed with a hydraulic cylinder, a hydraulic rod is arranged in the hydraulic cylinder, and the other end of the hydraulic rod is fixed on the collecting box.

Preferably, the bottom of the collecting box is provided with four rollers, and the upper end of the bottom plate is provided with a sliding groove matched with the rollers.

Compared with the prior spraying device technology, the utility model provides a nozzle for a cold spraying device and a powder spraying device, and the nozzle has the following beneficial effects:

1. the spraying device mainly comprises a spray head, a spraying chamber, a dustproof sheet, a clamping device, collecting cloth, a heating pipe, a fan, a hydraulic cylinder and a motor, wherein two ends of a product are fixed through the clamping device, so that the product is prevented from shaking in the spraying process, the clamping device can be driven to rotate through the motor, the product is driven to turn over up and down, the upper surface and the lower surface of the product can be sprayed, and the collecting box and the spraying chamber are driven to move left and right through the hydraulic cylinder, so that the left surface and the right surface of the product can be sprayed, the spraying is more uniform, and the spraying speed is increased.

2. Spraying device has set up the fan, heating pipe and collection cloth, make the fan reversal, and then form and induced draft, bring unnecessary powder coating into and collect cloth, collect powder coating, not only avoid the polluted environment, prevent that powder coating from scattering, while again can reuse, after the product spraying is accomplished, open fan and heating pipe simultaneously, make the fan upwards blow hot-blast, blow the surface of the product that the spraying finishes to hot-blast, can accelerate powder coating's solidification process, make the surface solidification of product rapid.

3. The dustproof sheet is arranged on the spray head, and after the product is sprayed, the dustproof sheet is rotated to cover the spray head, so that impurities are prevented from entering the spray nozzle, the spray nozzle is protected, and the dust is prevented from blocking the spray nozzle.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:

FIG. 1 is a schematic front view of a nozzle and a powder spraying apparatus for a cold spray apparatus according to the present invention;

FIG. 2 is a schematic sectional view of the spraying chamber and the collection box according to the present invention;

FIG. 3 is a schematic bottom view of the showerhead of the present invention;

fig. 4 is a schematic perspective view of a clamping device according to the present invention;

in the figure: 1. a base plate; 2. a support bar; 3. a spray chamber; 4. a top plate; 5. a material storage box; 6. a collection box; 7. a box door; 8. a clamping device; 81. a threaded rod; 82. a connecting shaft; 83. rotating the block; 84. a fixed mount; 85. a movable groove; 86. an upper splint; 87. a lower splint; 88. a guide rail; 89. a threaded cap; 9. a spray pipe; 10. a spray head; 11. a motor; 12. collecting cloth; 13. a hydraulic cylinder; 14. a hydraulic lever; 15. a fan; 16. heating a tube; 17. a chute; 18. a dust-proof sheet; 19. a rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a nozzle and powder spraying device for cold spraying device, including bottom plate 1 and bracing piece 2 and roof 4, bottom plate 1 and roof 4 pass through bracing piece 2 fixed connection, the upper end of bottom plate 1 is provided with the collecting box 6 that is used for collecting the powder, the front end of collecting box 6 is provided with chamber door 7, the upper end of chamber door 7 is provided with the spray booth 3 that is used for the product spraying, be provided with two clamping device 8 that are used for fixed product on the inner wall of spray booth 3, the one end of spray booth 3 is provided with and is used for driving clamping device 8 pivoted motor 11, the inside of collecting box 6 is provided with the collection cloth 12 that is used for the powder to collect, still be provided with heating pipe 16 in the collecting box 6 of collection cloth 12 downside, be fixed with fan 15 on the lower extreme inner wall of collecting box 6.

Clamping device 8 includes lower plate 87, and the one end of lower plate 87 is fixed with connecting axle 82, and the other end of connecting axle 82 is fixed with rotation block 83, and the upper end of lower plate 87 is fixed with mount 84, and movable groove 85 has been seted up to the inside of mount 84, and the inside of movable groove 85 is provided with punch holder 86, and the upper end of lower plate 87 still is fixed with threaded rod 81, and the top of threaded rod 81 passes punch holder 86, and the pot head of threaded rod 81 is equipped with screw cap 89.

Offer on the inner wall of spray booth 3 with rotatory piece 83 assorted swivelling chute, be fixed with guide rail 88 on the inner wall of activity groove 85, the inside of punch holder 86 seted up with guide rail 88 assorted slide opening, the inside of punch holder 86 still seted up with threaded rod 81 assorted through-hole, in order to fix the product, move down through punch holder 86, utilize guide rail 88 to guarantee the equilibrium when punch holder 86 reciprocates simultaneously, and it is tight with the product clamp to screw up screw cap 89, and then make the product can the rotary spraying, make the spraying more even, and increase the speed of spraying.

The lower extreme of roof 4 is fixed with storage case 5, and the lower extreme of storage case 5 is connected with spray tube 9, and the lower extreme of spray tube 9 is connected with shower nozzle 10, and the lower extreme of shower nozzle 10 is provided with dustproof piece 18, and dustproof piece 18 and shower nozzle 10 rotate through pivot 19 to be connected, and in order to prevent that the dust from blockking up the spout when not using like this, through rotating dustproof piece 18 for dustproof piece 18 covers shower nozzle 10, has prevented impurity to enter into the spout, protects it.

The one end of bracing piece 2 is fixed with pneumatic cylinder 13, and the inside of pneumatic cylinder 13 is provided with hydraulic stem 14, and on the other end of hydraulic stem 14 was fixed in collecting box 6, made spray booth 3 remove about like this for the product is more comprehensive when the spraying.

The bottom of collecting box 6 is provided with four gyro wheels, and the upper end of bottom plate 1 is seted up with gyro wheel assorted spout 17, utilizes pneumatic cylinder 13 drive collecting box 6 and spray booth 3 to remove about for the product can the quick spraying, makes the spraying more comprehensive and even.

The working principle and the using process of the utility model are as follows: after the spraying device is installed, firstly, a product is put into the spraying chamber 3, the bottom of the product is placed on the lower clamping plate 87 on the clamping device 8, then the threaded cap 89 is rotated, the threaded cap 89 is pressed against one end of the upper clamping plate 86, the upper clamping plate 86 moves downwards on the guide rail 88, the other end of the upper clamping plate 86 presses the product, two ends of the product are respectively fixed through the two upper clamping plates 86, the storage box 5 is opened, the spraying pump of the storage box 5 conveys the powder coating downwards to spray the product, in the spraying process, the motor 11 and the hydraulic cylinder 13 can be started, the rotating block 83 is driven to rotate by the motor 11, the rotating block 83 drives the lower clamping plate 87 to rotate through the connecting shaft 82, the upper surface and the lower surface of the product can be sprayed, and the collecting box 6 and the spraying chamber 3 are driven to move left and right by the hydraulic cylinder 13, make the product all can obtain the spraying about, make the spraying more even, and in the spraying process, open fan 15, make fan 15 reversal, and then form and induced draft, bring unnecessary powder coating into collection cloth 12, collect powder coating, and open chamber door 7 and take out collection cloth 12, not only avoid the polluted environment, while again can reuse, after the product spraying is accomplished, open fan 15 and heating pipe 16 simultaneously, make fan 15 corotation and upwards blow hot-blast, and hot-blast see through collection cloth 12, blow hot-blast to the surface of the product that the spraying finishes, can accelerate powder coating's solidification process, make the surface solidification of product rapid, can also be through rotating dustproof piece 18, make dustproof piece 18 cover shower nozzle 10, prevented impurity from entering into the spout, protect it.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A powder spray coating device for a cold spray coating device, comprising a bottom plate (1) and a support rod (2) and a top plate (4), characterized in that: the powder spraying device is characterized in that the bottom plate (1) and the top plate (4) are fixedly connected through a support rod (2), a collecting box (6) used for collecting powder is arranged at the upper end of the bottom plate (1), a box door (7) is arranged at the front end of the collecting box (6), a spraying chamber (3) used for spraying products is arranged at the upper end of the box door (7), two clamping devices (8) used for fixing the products are arranged on the inner wall of the spraying chamber (3), a motor (11) used for driving the clamping devices (8) to rotate is arranged at one end of the spraying chamber (3), collecting cloth (12) used for collecting the powder is arranged inside the collecting box (6), a heating pipe (16) is further arranged in the collecting box (6) on the lower side of the collecting cloth (12), and a fan (15) is fixed on the inner wall of the lower end of the collecting box (6).

2. A powder spray coating device for a cold spray device according to claim 1, characterized in that: clamping device (8) include lower plate (87), the one end of lower plate (87) is fixed with connecting axle (82), the other end of connecting axle (82) is fixed with rotating block (83), the upper end of lower plate (87) is fixed with mount (84), movable groove (85) have been seted up to the inside of mount (84), the inside of movable groove (85) is provided with punch holder (86), the upper end of lower plate (87) still is fixed with threaded rod (81), punch holder (86) are passed to the top of threaded rod (81), the last pot head of threaded rod (81) is equipped with screw cap (89).

3. A powder spray coating apparatus for a cold spray apparatus as claimed in claim 2, wherein: seted up on the inner wall of spray booth (3) with rotatory piece (83) assorted swivelling chute, be fixed with guide rail (88) on the inner wall of activity groove (85), the inside of punch holder (86) seted up with guide rail (88) assorted slide opening, the inside of punch holder (86) still seted up with threaded rod (81) assorted through-hole.

4. A nozzle for a cold spray apparatus according to claim 1, wherein: the lower extreme of roof (4) is fixed with storage case (5), the lower extreme of storage case (5) is connected with spray tube (9), the lower extreme of spray tube (9) is connected with shower nozzle (10), the lower extreme of shower nozzle (10) is provided with dustproof piece (18), dustproof piece (18) and shower nozzle (10) rotate through pivot (19) and are connected.

5. A powder spray coating device for a cold spray device according to claim 1, characterized in that: one end of the support rod (2) is fixed with a hydraulic cylinder (13), a hydraulic rod (14) is arranged inside the hydraulic cylinder (13), and the other end of the hydraulic rod (14) is fixed on the collection box (6).

6. A powder spray coating device for a cold spray device according to claim 1, characterized in that: the bottom of the collecting box (6) is provided with four rollers, and the upper end of the bottom plate (1) is provided with a sliding groove (17) matched with the rollers.