Spraying equipment

Abstract

The utility model relates to the technical field of surface spraying, in particular to spraying equipment which comprises a base, a spraying assembly and a clamping assembly, the spraying assembly comprises a spraying head and a first driving part for driving the spraying head to ascend and descend, and the first driving part is installed on the base; the multiple clamping assemblies are arranged on the periphery of the spray head at intervals; the clamping assembly comprises a clamping support and a second driving piece, and the clamping support is provided with a clamping space used for clamping the tube bundle; the second driving piece is installed on the base and used for driving the clamping support to rotate relative to the base. According to the spraying equipment, the multiple clamping supports are arranged, multiple sets of corresponding spraying heads can be arranged, in this way, spraying operation of multiple sets of pipe rows can be synchronously achieved, and the spraying operation efficiency is obviously improved.

Description

Technical Field

[0001] The present application relates to the field of surface spraying technology, and in particular to a spraying device. Background Art

[0002] Boiler tube banks are mainly used for conveying media. Affected by the operating environment, the tube walls of the tube banks will be oxidized after a period of use, resulting in large-scale corrosion of the outer wall of the tube banks. In the prior art, in order to solve the problem of tube bank corrosion, laser cladding is generally used to spray corrosion-resistant powder materials on the outer wall of the tube banks to form a corrosion-resistant layer. For example, announcement number CN218642825U-a corrosion-resistant layer laser cladding equipment for boiler tube banks, the equipment installs a laser nozzle and a feeding piece at the end of a robotic arm to operate on the outer wall of the tube bank; however, this operating mode of the equipment is affected by the structure of the laser nozzle and the robotic arm, and can only operate on the outer wall of one tube bank in the tube bank group at a time, resulting in low operating efficiency. Utility Model Content

[0003] The purpose of the present application is to provide a spraying device to solve the technical problem of low spraying efficiency during the process of forming a corrosion-resistant layer by laser cladding process on the outer wall of a boiler tube row.

[0004] The spraying equipment provided in this application includes:

[0005] Pedestal;

[0006] A spraying assembly, comprising a spray head and a first driving member for driving the spray head to rise and fall, wherein the first driving member is mounted on the base;

[0007] The clamping assembly has multiple components that are spaced apart on the periphery of the nozzle; the clamping assembly includes a clamping bracket and a second driving member, the clamping bracket has a clamping space for clamping the tube row; the second driving member is installed on the base, and the second driving member is used to drive the clamping bracket to rotate relative to the base.

[0008] Optionally, the base includes a substrate and a clamping support fixed to the substrate, and the clamping support has a U-shaped groove;

[0009] The clamping bracket includes a connecting plate, a first support plate, a second support plate, a first clamping plate and a second clamping plate; the connecting plate is transmission-connected to the second driving member, one end of which is pivotally connected to the U-shaped groove, and the other end is fixedly connected to the first support plate; the first support plate and the second support plate are spaced apart, and the first clamping plate and the second clamping plate are spaced apart; one end of the first clamping plate is fixedly connected to the first support plate, and the other end is fixedly connected to the second support plate; one end of the second clamping plate is connected to the first support plate, and the other end is connected to the second support plate; the first support plate, the second support plate, the first clamping plate and the second clamping plate surround the clamping space.

[0010] Optionally, the clamping assembly further comprises an elastic member, one end of which is fixedly arranged on the first clamping plate, and the other end of which is fixedly arranged on the second clamping plate;

[0011] One end of the second clamping plate is slidably connected to the first supporting plate, and the other end is slidably connected to the second supporting plate.

[0012] Optionally, the first support plate and the second support plate are both strip-shaped structures, and the cross-sectional shapes are both L-shaped;

[0013] The first support plate and the second support plate are arranged in mirror image to each other.

[0014] Optionally, the elastic member is a spring, and there are multiple springs, which are respectively located at the positions close to the first support plate and the second support plate;

[0015] The outer side wall of the second clamping plate has a handle.

[0016] Optionally, the base further comprises a column fixed to the base plate and a beam fixed to the top of the column;

[0017] The first driving member is a linear driving member and is installed on the lower end surface of the crossbeam.

[0018] Optionally, the spraying assembly further comprises a spraying bracket, the spraying bracket having a hollow cavity and a plurality of nozzles connected to the hollow cavity, the spraying bracket having a plurality of nozzles respectively fixed to the nozzles; the spraying bracket is fixed to the power output end of the first driving member.

[0019] Optionally, the spraying bracket includes a T-shaped bracket and a spray column fixedly arranged at the end of the T-shaped bracket; the spray column is a long strip structure and is coplanar with the T-shaped bracket; the nozzle is arranged on the outer side of the spray column;

[0020] The clamping components are three and correspond to the ends of the T-shaped bracket respectively.

[0021] Optionally, the columns and the beams are both plate-shaped structures, and the columns are fixed to the side portions of the base plate.

[0022] Optionally, a plurality of wheels and retractable legs are installed at the bottom end of the base plate; the column is provided with a controller, and the first driving member, the second driving member and the nozzle are all electrically connected to the controller.

[0023] The use of the nozzle equipment provided in this application has the following beneficial effects:

[0024] During the use of this spraying equipment, the clamping bracket can rotate relative to the base under the driving action of the second driving member, rotate the clamping bracket to a horizontal position, and then install the tube row in the clamping space. After clamping, drive the clamping bracket to rotate until it is in a vertical position. At this time, the nozzle is driven by the first driving member to perform a lifting movement directly facing the tube row to spray the outer tube wall of the tube row. In this spraying equipment, there are multiple clamping brackets, and corresponding nozzles can be set in multiple groups, so that the spraying operation of multiple groups of tube rows can be realized synchronously, which significantly improves the efficiency of the spraying operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.

[0026] Figure 1 A three-dimensional schematic diagram of a spraying device provided in an embodiment of the present application;

[0027] Figure 2 A schematic top view of a spraying device provided in an embodiment of the present application;

[0028] Figure 3 This is a schematic front view of the spraying equipment provided in an embodiment of the present application.

[0029] Description of reference numerals:

[0030] 100-base; 110-base plate; 120-clamping support; 130-column; 140-beam;

[0031] 150-mounting plate; 160-wheel; 170-support foot; 180-controller;

[0032] 200-clamping assembly;

[0033] 210-clamping bracket; 211-connecting plate; 212-first supporting plate; 213-second supporting plate;

[0034] 214-first clamping plate; 215-second clamping plate; 216-handle;

[0035] 220 - second driving member;

[0036] 230- elastic member;

[0037] 300-spraying assembly;

[0038] 310 - first driving member;

[0039] 320-spraying bracket; 321-T-shaped bracket; 322-spraying column;

[0040] 330-Sprinkler;

[0041] 400-tube row. DETAILED DESCRIPTION

[0042] The technical solution of the present application will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present application.

[0043] The present application is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.

[0044] The embodiment of the present application provides a spraying device, taking the use of a laser melting process to spray a corrosion-resistant layer on the outer wall of a boiler tube row as an example, Figure 1-Figure 3 As shown, the spraying equipment includes: a base 100, a spraying assembly 300, and a clamping assembly 200. The spraying assembly 300 includes a nozzle 330 and a first driving member 310 for driving the nozzle 330 to rise and fall, and the first driving member 310 is installed on the base 100; the clamping assembly 200 has multiple components that are spaced apart at the periphery of the nozzle 330; the clamping assembly 200 includes a clamping bracket 210 and a second driving member 220, and the clamping bracket 210 has a clamping space for clamping the tube row 400; the second driving member 220 is installed on the base 100, and the second driving member 220 is used to drive the clamping bracket 210 to rotate relative to the base 100.

[0045] During use of the spraying equipment, the clamping bracket 210 can rotate relative to the base 100 under the driving action of the second driving member 220, and the clamping bracket 210 is rotated to a horizontal position, and then the tube row is installed in the clamping space. After clamping, the clamping bracket 210 is driven to rotate until it reaches a vertical position. At this time, the nozzle 330 is driven by the first driving member 310 to perform a lifting movement facing the tube row 400 to spray the outer tube wall of the tube row. In the present spraying equipment, there are multiple clamping brackets 210, and corresponding nozzles 330 can be set in multiple groups, so that the spraying operation of multiple groups of tube rows 400 can be realized synchronously, which significantly improves the efficiency of the spraying operation.

[0046] Specifically, the second driving member 220 may be a motor, and the clamping bracket 210 and the second driving motor 220 are both located outside the base 100 .

[0047] In the present application embodiment, Figure 1-Figure 3 As shown, the base 100 includes a base plate 110 and a clamping support 120 fixed to the base plate 110, and the clamping support 120 has a U-shaped groove; the clamping bracket 210 includes a connecting plate 211, a first supporting plate 212, a second supporting plate 213, a first clamping plate 214 and a second clamping plate 215; the connecting plate 211 is transmission-connected to the second driving member 220, one end of which is pivotally connected to the U-shaped groove, and the other end is fixed to the first supporting plate 212; the first supporting plate 212 and the second driving member 220 are connected to each other. The second support plate 213 is arranged at intervals, and the first clamping plate 214 and the second clamping plate 215 are arranged at intervals; one end of the first clamping plate 214 is fixed to the first support plate 212, and the other end is fixed to the second support plate 213; one end of the second clamping plate 215 is connected to the first support plate 212, and the other end is connected to the second support plate 213; the first support plate 212, the second support plate 213, the first clamping plate 214 and the second clamping plate 215 form a clamping space. In this way, the tube bank 400 can be firmly clamped in the clamping space, which has the advantage of simple structure.

[0048] In the present application embodiment, Figure 3As shown, the clamping assembly 200 also includes an elastic member 230, one end of which is fixedly arranged on the first clamping plate 214, and the other end is fixedly arranged on the second clamping plate 215; one end of the second clamping plate 215 is slidably connected to the first support plate 212, and the other end is slidably connected to the second support plate 213. Specifically, the elastic member 230 is selected to use a spring, and multiple or multiple groups can be set. In this embodiment, two are set as an example, and they are respectively located near the first support plate 212 and the second support plate 213, that is, one end of the two springs is respectively fixedly connected to the top and bottom ends of the first clamping plate 214, and the other end is respectively fixedly connected to the top and bottom ends of the second clamping plate 215. After the second clamping plate 215 is pulled, the tube row 400 is placed on the two support plates, and the springs will not be flattened; it should be noted that the elastic member in the embodiment of the present application can also be selected from other types. During use, the type of the elastic member can be selected according to the actual weight of the tube row 400, and this is not limited in the present application.

[0049] In the embodiment of the present application, the first support plate 212 and the second support plate 213 are both strip-shaped structures, and the cross-sectional shape is both L-shaped, for example, they can be made of angle steel profiles; the first support plate 212 and the second support plate 213 are arranged in mirror images, that is, the openings of the two support plates are arranged facing each other; in this way, one of the side walls of the L-shape can limit the axial direction and the radial direction of one side of the tube row 400. The outer side wall of the second clamping plate 215 has a handle 216, which is arranged to facilitate pushing and pulling the second clamping plate 215.

[0050] In the embodiment of the present application, the base 100 further includes a column 130 fixed to the base plate 110 and a beam 140 fixed to the top of the column 130; the first driving member 310 is a linear driving member, and is installed on the lower end surface of the beam 140. Among them, the first driving member 310 can be selected from a cylinder, a hydraulic cylinder, a linear motor, etc., which are not limited here. In this embodiment, taking the first driving member 310 as an example of a cylinder, the driving end of the cylinder is fixedly connected to a connecting shaft through a coupling, and the end of the connecting shaft is fixedly connected to the spray assembly 300.

[0051] In the embodiment of the present application, the spraying assembly 300 also includes a spraying bracket 320, the spraying bracket 320 has a hollow cavity and a plurality of nozzles connected to the hollow cavity, and the nozzle 330 has a plurality of nozzles, which are respectively fixed to the nozzles; the spraying bracket 320 is fixed to the power output end of the first driving member 310. Specifically, the spraying bracket 320 includes a T-shaped bracket 321 and a spray column 322 fixed to the end of the T-shaped bracket 321; the spray column 322 is a long strip structure and is coplanar with the T-shaped bracket 321; the nozzle is arranged on the outer side of the spray column 322; the clamping assembly 200 has three, which correspond to the ends of the T-shaped bracket 321, such as Figure 1-Figure 3As shown, they are respectively arranged on three sides of the substrate 110, and the column 130 is located on the fourth side. Since the T-shaped bracket 321 and the spray column 322 are both hollow structures and are interconnected, a conveying pipe is provided on the top of the T-shaped bracket 321, and the conveying pipe is used to connect with an external corrosion-resistant powder conveying device. In this way, during the laser cladding operation, multiple nozzles 330 can be set to operate on multiple tube rows on multiple tube row groups 5 at one time, wherein the spraying 330 uses a laser nozzle.

[0052] In the embodiment of the present application, the column 130 and the beam 140 are both plate-like structures. The column 130 is fixed to the side of the base plate 110, which has the advantages of a wide range of material selection and low cost; the side wall of the base plate 110 is also fixedly provided with a mounting plate 150 for supporting the second driving member 220.

[0053] In the embodiment of the present application, a plurality of wheels 160 and a retractable leg 170 are installed at the bottom end of the substrate 110; the column 130 is provided with a controller 180, and the first driving member 310, the second driving member 220 and the nozzle 330 are all electrically connected to the controller 180; specifically, the controller 180 is arranged on the side wall of the column 130.

[0054] In summary, compared with the prior art, the spraying equipment provided by the embodiment of the present application has the following beneficial effects:

[0055] 1. A plurality of clamping assemblies 200 are installed on the outer side of the base 100. The plurality of clamping assemblies 200 can fix a plurality of tube rows 400 at one time. The T-shaped structure design of the T-shaped bracket 321 can complete the laser cladding operation on the plurality of tube rows 400 at one time, thereby improving the operation efficiency.

[0056] 2. The first clamping plate 214 and the second clamping plate 215 are connected by springs, and support plates are also provided at the top and bottom ends of the first clamping plate 214 and the second clamping plate 215. The two support plates are used to support the top and bottom of the tube row 400, thereby improving the clamping tightness.

[0057] In the description of the present application, it should be noted that the terms "upper", "lower", "front", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0058] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the term "installation" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0059] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A spraying device, characterized in that: include: Base (100); A spraying assembly (300) comprises a spray head (330) and a first driving member (310) for driving the spray head (330) to rise and fall, wherein the first driving member (310) is mounted on the base (100); The clamping assembly (200) has a plurality of components which are spaced apart on the periphery of the nozzle (330); the clamping assembly (200) comprises a clamping bracket (210) and a second driving member (220); the clamping bracket (210) has a clamping space for clamping the tube row (400); the second driving member (220) is installed on the base (100), and the second driving member (220) is used to drive the clamping bracket (210) to rotate relative to the base (100).

2. The spraying equipment according to claim 1, characterized in that: The base (100) comprises a base plate (110) and a clamping support (120) fixed to the base plate (110), wherein the clamping support (120) has a U-shaped groove; The clamping bracket (210) comprises a connecting plate (211), a first supporting plate (212), a second supporting plate (213), a first clamping plate (214) and a second clamping plate (215); the connecting plate (211) is transmission-connected to the second driving member (220), one end of which is pivotally connected to the U-shaped groove, and the other end is fixed to the first supporting plate (212); the first supporting plate (212) and the second supporting plate (213) are spaced apart, and the first clamping plate (214) and the second clamping plate (215) are spaced apart from each other. The two clamping plates (215) are arranged at intervals; one end of the first clamping plate (214) is fixedly connected to the first support plate (212), and the other end is fixedly connected to the second support plate (213); one end of the second clamping plate (215) is connected to the first support plate (212), and the other end is connected to the second support plate (213); the first support plate (212), the second support plate (213), the first clamping plate (214) and the second clamping plate (215) enclose the clamping space.

3. The spraying equipment according to claim 2, characterized in that: The clamping assembly (200) further comprises an elastic member (230), one end of the elastic member (230) being fixedly arranged on the first clamping plate (214), and the other end of the elastic member (230) being fixedly arranged on the second clamping plate (215); One end of the second clamping plate (215) is slidably connected to the first supporting plate (212), and the other end is slidably connected to the second supporting plate (213).

4. The spraying equipment according to claim 3, characterized in that: The first support plate (212) and the second support plate (213) are both strip-shaped structures, and their cross-sectional shapes are both L-shaped; The first support plate (212) and the second support plate (213) are arranged in mirror-image relationship with each other.

5. The spraying equipment according to claim 4, characterized in that: The elastic member (230) is a spring, and there are multiple of them, which are respectively located near the first support plate (212) and the second support plate (213); The outer side wall of the second clamping plate (215) has a handle (216).

6. The spraying equipment according to claim 5, characterized in that: The base (100) further comprises a column (130) fixedly mounted on the base plate (110) and a crossbeam (140) fixedly mounted on the top of the column (130); The first driving member (310) is a linear driving member and is installed on the lower end surface of the crossbeam (140).

7. The spraying equipment according to claim 6, characterized in that: The spraying assembly (300) further comprises a spraying bracket (320), wherein the spraying bracket (320) has a hollow cavity and a plurality of nozzles connected to the hollow cavity, and the spraying heads (330) have a plurality of nozzles, which are respectively fixed to the nozzles; the spraying bracket (320) is fixed to the power output end of the first driving member (310).

8. The spraying equipment according to claim 7, characterized in that: The spraying support (320) comprises a T-shaped support (321) and a spray column (322) fixedly arranged at the end of the T-shaped support (321); the spray column (322) is a long strip structure and is coplanar with the T-shaped support (321); the spray port is arranged on the outer side surface of the spray column (322); The clamping assemblies (200) are three and respectively correspond to the ends of the T-shaped bracket (321).

9. The spraying equipment according to claim 8, characterized in that: The upright posts (130) and the crossbeams (140) are both plate-shaped structures, and the upright posts (130) are fixedly arranged on the side portions of the base plate (110).

10. The spraying equipment according to claim 9, characterized in that: A plurality of wheels (160) and a retractable support leg (170) are installed at the bottom end of the base plate (110); the column (130) is provided with a controller (180); and the first driving member (310), the second driving member (220) and the nozzle (330) are all electrically connected to the controller (180).

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