Smearing device for metal surface

Abstract

The utility model discloses a smearing device for a metal surface. The smearing device comprises a spray gun body, a trigger switch, an air source connector, a nozzle, a material tank and a supporting and trowelling device. The supporting and smoothing device is arranged at the bottom of the spray pipe of the spray gun body, the spray gun body can move along the surface of a metal plate in an attached mode through the main supporting roller, a bottom supporting point can be provided for the spray gun body, operation is more labor-saving, controllability of the spray gun body is further improved, and spraying precision is guaranteed. According to the spray gun, the auxiliary supporting roller is arranged behind the main supporting roller, the auxiliary supporting roller can be matched with the main supporting roller to support the spray gun body, and under the supporting action of the main supporting roller and the auxiliary supporting roller, the spray gun body can move at the same height and angle, so that the stability of the spray gun body is greatly improved, and the spraying precision is guaranteed; the main supporting roller and the auxiliary supporting roller not only play a role in supporting, but also play a role in brushing the coating, so that the coating is prevented from being condensed into liquid drops to flow to influence the spraying precision.

Description

Technical Field

[0001] The utility model relates to the technical field of metal spraying treatment, in particular to a coating device for metal surfaces. Background Art

[0002] Metal surface coating is a common metal protection method that covers the metal surface with one or more layers of material to improve its corrosion resistance, wear resistance, and aesthetics. In the existing technology, spray guns are usually used to spray the surface of metal sheet workpieces, which has a wide range of applicability.

[0003] Existing patent application number: CN202220653686.4 An automatic spray gun for metal products includes a first shell and a second shell threadedly connected, a filter cavity is formed between the first shell and the second shell, a filter mesh cylinder is installed in the filter cavity, a discharge pipe connected to the liquid inlet pipe is provided at the top of the first shell, the inner end of the discharge pipe extends into the inner cavity of the first shell, and a first annular groove is formed between the discharge pipe and the first shell, the end of the filter mesh cylinder is provided with a first sealing ring block embedded in the first annular groove; a feed pipe is provided at the bottom of the second shell, and the inner end of the feed pipe extends into the inner cavity of the second shell.

[0004] The above patent records a technical solution for spraying metal using a spray gun. In actual use, the size and structure of the spray gun are basically only suitable for one-handed operation. However, since the spray gun is also equipped with a material tank, its own weight is relatively large, and it becomes difficult to operate after a long time, resulting in a decrease in the controllability of the spray gun, thereby affecting the spraying accuracy. For this reason, we propose a coating device for metal surfaces to solve the above problems. Utility Model Content

[0005] The purpose of the present utility model is to provide a coating device for metal surfaces to solve the problems raised in the above background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a coating device for metal surface, comprising a spray gun body, a trigger switch, an air source interface, a nozzle, a material tank and a support and smoothing device, the front part of the handle of the spray gun body is equipped with a trigger switch, the bottom part of the handle of the spray gun body is provided with an air source interface, the front end of the nozzle of the spray gun body is equipped with a nozzle, the top part of the nozzle of the spray gun body is equipped with a material tank, the bottom part of the nozzle of the spray gun body is provided with a support and smoothing device, the support and smoothing device includes a mounting rail, a No. 1 through hole , a sliding sleeve, a No. 2 through hole, a fixing screw, a main bracket and a main support roller. A mounting rail is welded at the bottom of the nozzle of the spray gun body, and a No. 1 through hole is provided on both sides of the mounting rail. A sliding sleeve is horizontally inserted and slidably installed on the surface of the mounting rail. A No. 2 through hole is provided on both sides of the sliding sleeve. Both the No. 2 through hole and the No. 1 through hole are threaded holes and have the same size. The fixing screw passes horizontally through the No. 2 through hole and the No. 1 through hole and is threadedly connected thereto. A main bracket is welded at the bottom of the sliding sleeve, and the main support roller is horizontally rotatably installed at the bottom inner end of the main bracket.

[0007] Preferably, the total number of the No. 1 through holes is not less than 3, and the No. 1 through holes are equidistantly distributed on the walls on both sides of the mounting rail.

[0008] Preferably, a sub-bracket is hingedly installed at the rear end of the middle section of the main bracket, and a tension adjustment knob is provided at the hinge between the main bracket and the sub-bracket. The tension adjustment knob can adjust the tightness of the hinge between the main bracket and the sub-bracket, and a sub-support roller is horizontally rotatably installed at the bottom end inside the sub-bracket.

[0009] Preferably, the main supporting roller and the auxiliary supporting roller have the same structural dimensions, and the outer surfaces of the main supporting roller and the auxiliary supporting roller are both covered with velvet covers.

[0010] Preferably, the rotation angle range of the auxiliary bracket and the main bracket is not less than 60 degrees.

[0011] Preferably, the nozzle is a fan-shaped nozzle structure, and the spray shape of the nozzle is parallel to the main support roller.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The utility model provides a supporting and smoothing device at the bottom of the nozzle of the spray gun body. The spray gun body can move along the surface of the metal plate through the main support roller, which can provide a bottom support point for the spray gun body, making the operation more labor-saving and further improving the controllability of the spray gun body to ensure the spraying accuracy.

[0014] The utility model arranges an auxiliary roller behind the main roller, and the auxiliary roller can cooperate with the main roller to provide support for the spray gun body. Under the support of the main roller and the auxiliary roller, the spray gun body can move at the same height and angle, which greatly improves the stability of the spray gun body to ensure the spraying accuracy. In addition, the main roller and the auxiliary roller not only play a supporting role, but also play the role of brushing and leveling the paint, preventing the paint from condensing into droplets and flowing, which affects the spraying accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a right side structural schematic diagram of the present utility model;

[0016] Figure 2 This is a right side structural diagram of the support and leveling device of the present invention;

[0017] Figure 3 For this utility model Figure 2 Schematic diagram of the disassembled structure;

[0018] Figure 4 This is a schematic diagram of the main bracket structure in a front view of the present invention;

[0019] Figure 5 This is a schematic structural diagram of the spray gun body in the present invention when in use.

[0020] In the figure: spray gun body 1, trigger switch 2, air source interface 3, nozzle 4, material tank 5, support and leveling device 6, mounting rail 61, through hole No. 1 62, sleeve 63, through hole No. 2 64, fixing screw 65, main bracket 66, main support roller 67, auxiliary bracket 68, tension adjustment knob 69, auxiliary support roller 610. DETAILED DESCRIPTION

[0021] In order to further explain the technical solution of the present invention, specific embodiments are described in detail below.

[0022] See also Figure 1 The utility model provides a coating device for metal surfaces, including a spray gun body 1, a trigger switch 2, an air source interface 3, a nozzle 4, a material tank 5 and a supporting and smoothing device 6. The trigger switch 2 is installed at the front of the handle of the spray gun body 1, the air source interface 3 is provided at the bottom of the handle of the spray gun body 1, the nozzle 4 is installed at the front end of the nozzle of the spray gun body 1, the material tank 5 is installed at the top of the nozzle of the spray gun body 1, and the supporting and smoothing device 6 is provided at the bottom of the nozzle of the spray gun body 1.

[0023] See also Figure 2 、 Figure 4 and Figure 5The utility model provides a coating device for metal surfaces, and the supporting smoothing device 6 includes a mounting rail 61, a No. 1 through hole 62, a sliding sleeve 63, a No. 2 through hole 64, a fixing screw 65, a main bracket 66 and a main support roller 67. The bottom of the nozzle of the spray gun body 1 is welded with a mounting rail 61, and a No. 1 through hole 62 is provided on both sides of the mounting rail 61. A sliding sleeve 63 is horizontally inserted and slidably installed on the surface of the mounting rail 61, and a No. 2 through hole 64 is provided on both sides of the sliding sleeve 63. The No. 2 through hole 64 and the No. 1 through hole 62 are both screws. The holes are of the same size, and the fixing screw 65 passes horizontally through the No. 2 through hole 64 and the No. 1 through hole and is threadedly connected thereto, so that the sliding sleeve 63 is installed and fixed to the surface of the mounting rail 61. A main bracket 66 is welded at the bottom of the sliding sleeve 63, and a main support roller 67 is installed at the bottom end of the inner side of the main bracket 66 for horizontal rotation. The spray gun body 1 can move along the surface of the metal plate through the main support roller 67, which can provide a bottom support point for the spray gun body 1, making the operation more labor-saving and further improving the controllability of the spray gun body 1 to ensure the spraying accuracy.

[0024] It is further explained that the total number of No. 1 through holes 62 is not less than 3, and the No. 1 through holes 62 are equidistantly distributed on the walls on both sides of the mounting rail 61. The No. 2 through holes 64 can be docked and assembled with the No. 1 through holes 62 at different positions to achieve position adjustment of the sliding sleeve 63 on the mounting rail 61, making it convenient for users to adjust the relative position of the main support roller 67 and the spray gun body 1 according to their own operating habits.

[0025] See also Figure 3 The utility model provides a coating device for metal surfaces. A sub-bracket 68 is hingedly installed at the rear end of the middle section of the main bracket 66. A tension adjustment knob 69 is provided at the hinge of the main bracket 66 and the sub-bracket 68. The tension adjustment knob 69 can adjust the tightness of the hinge between the main bracket 66 and the sub-bracket 68. A sub-support roller 610 is horizontally rotatably installed at the bottom end of the inner side of the sub-bracket 68. The sub-support roller 610 can cooperate with the main support roller 67 to provide support for the spray gun body 1. Under the support of the main support roller 67 and the sub-support roller 610, the spray gun body 1 can be kept at the same height and angle for movement, which greatly improves the stability of the spray gun body 1 to ensure the spraying accuracy.

[0026] It is further explained that the main support roller 67 and the auxiliary support roller 610 have the same structural dimensions, and the outer surfaces of the main support roller 67 and the auxiliary support roller 610 are both covered with velvet covers, so that the main support roller 67 and the auxiliary support roller 610 not only play a supporting role, but also play a role in brushing the paint flat, preventing the paint from condensing into droplets and affecting the spraying accuracy.

[0027] It is further explained that the rotation angle range of the auxiliary bracket 68 and the main bracket 66 is not less than 60 degrees, so that the auxiliary bracket 68 has good angle adjustability, which is convenient for users to adjust the relative position of the auxiliary support roller 610 and the spray gun body 1 according to their own operating habits.

[0028] Further explanation: nozzle 4 is a fan-shaped nozzle structure, and the spray shape of nozzle 4 is parallel to the main support roller 67, which expands the contact area between the paint and the main support roller 67, allowing the main support roller 67 to brush the newly sprayed paint flat on the surface of the metal plate, avoiding the paint from condensing into droplets and flowing, which affects the spraying accuracy.

[0029] Here's how it works:

[0030] First, before use, first confirm whether the internal stock of the material tank 5 is sufficient, and then connect the gas source interface 3 to the external air pump to provide gas power for the spray gun body 1.

[0031] Second, when using, the user holds the spray gun body 1 and aims the nozzle 4 at the metal sheet workpiece, then presses the trigger switch 2, so that the spray gun body 1 mixes the paint inside the material tank 5 with air and sprays it to the surface of the metal sheet workpiece through the nozzle 4, thereby performing metal surface treatment.

[0032] Third, since the spray gun body 1 has a large weight, it becomes difficult to operate it with one hand for a long time, and the controllability is low, which can easily affect the spraying accuracy. By setting a supporting and leveling device 6 at the bottom of the nozzle of the spray gun body 1, first, the sliding sleeve 63 is inserted into the surface of the mounting rail 61 to align the No. 2 through hole 64 with the No. 1 through hole 62, and then the fixing screw 65 is screwed into the inner side of the No. 2 through hole 64 and the No. 1 through hole 62, so as to realize the assembly of the main support roller 67 and the spray gun body 1. At this time, the spray gun body 1 can be moved along the surface of the metal plate through the main support roller 67, which can provide a bottom support point for the spray gun body 1, making the operation more labor-saving and further improving the controllability of the spray gun body 1 to ensure the spraying accuracy.

[0033] Fourth, by arranging the auxiliary roller 610 behind the main support roller 67, when adjusting the position of the auxiliary roller 610, first loosen the hinge part of the main support 66 and the auxiliary support 68 through the tension adjustment knob 69 to restore the activity of the auxiliary support roller 68, and then rotate the auxiliary support roller 68 to adjust the relative position of the auxiliary roller 610 and the main support roller 67, and then tighten the hinge part of the main support roller 66 and the auxiliary support 68 through the tension adjustment knob 69 to fix the position of the auxiliary roller 610, thereby completing the adjustment operation. The auxiliary roller 610 can cooperate with the main support roller 67 to provide support for the spray gun body 1. Under the support of the main support roller 67 and the auxiliary roller 610, the spray gun body 1 can be kept at the same height and angle for movement, which greatly improves the stability of the spray gun body 1 to ensure spraying accuracy. In addition, the main support roller 67 and the auxiliary roller 610 not only play a supporting role, but also play the role of brushing the paint flat to prevent the paint from condensing into droplets and flowing, which affects the spraying accuracy.

[0034] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A coating device for metal surfaces, comprising a spray gun body (1), a trigger switch (2), an air source interface (3), a nozzle (4) and a material tank (5), wherein the trigger switch (2) is installed at the front of a handle of the spray gun body (1), the air source interface (3) is provided at the bottom of the handle of the spray gun body (1), the nozzle (4) is installed at the front end of a nozzle of the spray gun body (1), and the material tank (5) is installed at the top of the nozzle of the spray gun body (1); Its characteristics are: The spray gun body (1) further comprises a supporting and smoothing device (6), wherein the bottom of the nozzle of the spray gun body (1) is provided with a supporting and smoothing device (6), wherein the supporting and smoothing device (6) comprises a mounting rail (61), a No. 1 through hole (62), a sliding sleeve (63), a No. 2 through hole (64), a fixing screw (65), a main bracket (66) and a main support roller (67), wherein the bottom of the nozzle of the spray gun body (1) is welded with a mounting rail (61), and No. 1 through holes (62) are provided on both sides of the mounting rail (61), wherein the supporting and smoothing device (66) comprises a mounting rail (61), a No. 1 through hole (62) is provided on both sides of the mounting rail (61), and the supporting and smoothing device (67) comprises a mounting rail (61), a No. 1 through hole (62) is provided on both sides of the mounting rail (61), and the supporting and smoothing device (67) comprises a mounting rail (61), a No. 1 through hole (62) is provided on the ... The surface of the mounting rail (61) is horizontally plugged and slidably installed with a sliding sleeve (63), and two through holes (64) are provided on both sides of the sliding sleeve (63). The second through hole (64) and the first through hole (62) are both threaded holes and have the same size. The fixing screw (65) passes horizontally through the second through hole (64) and the first through hole and is threadedly connected thereto. A main bracket (66) is welded to the bottom of the sliding sleeve (63), and a main support roller (67) is horizontally rotatably installed at the bottom end of the inner side of the main bracket (66).

2. A coating device for metal surfaces according to claim 1, characterized in that: The total number of the No. 1 through holes (62) is no less than 3, and the No. 1 through holes (62) are equidistantly distributed on the walls on both sides of the mounting rail (61).

3. The coating device for metal surface according to claim 1, characterized in that: A secondary bracket (68) is hingedly mounted at the rear end of the middle section of the main bracket (66). A tension adjustment knob (69) is provided at the hinged joint between the main bracket (66) and the secondary bracket (68). The tension adjustment knob (69) can adjust the tightness of the hinged joint between the main bracket (66) and the secondary bracket (68). A secondary support roller (610) is horizontally rotatably mounted at the inner bottom end of the secondary bracket (68).

4. A coating device for metal surfaces according to claim 3, characterized in that: The main supporting roller (67) and the auxiliary supporting roller (610) have the same structural dimensions, and the outer surfaces of the main supporting roller (67) and the auxiliary supporting roller (610) are both covered with velvet covers.

5. The coating device for metal surface according to claim 3, characterized in that: The rotation angle range of the auxiliary bracket (68) and the main bracket (66) is not less than 60 degrees.

6. The coating device for metal surface according to claim 1, characterized in that: The nozzle (4) is a fan-shaped nozzle structure, and the spray shape of the nozzle (4) is parallel to the main support roller (67).

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