Automatic angle adjusting mechanism for sand blasting gun used in high-dust environment

Abstract

The utility model discloses an automatic angle adjusting mechanism for a sand blasting gun used in a high dust environment, which comprises a lifting arm and a sealed protective shell, the front side of the lifting arm is fixedly provided with an adjusting motor through a screw, the output end of the adjusting motor is fixedly provided with an eccentric balance wheel, the left side surface of the eccentric balance wheel is fixedly connected with a first bearing sealing ring, and the right side surface of the eccentric balance wheel is fixedly connected with a second bearing sealing ring. The right end of the eccentric balance wheel is rotationally connected with a combined conveying rod, the bottom end of the combined conveying rod is rotationally connected with a supporting rod, dust covers are fixed to the left side and the right side of the rotating rod correspondingly, second bearing sealing rings are fixed to the inner ends of the dust covers, and spray gun mounting rotating shafts are fixed to the outer sides of the dust covers. The sealed protective shell is fixed to the front side face of the lifting arm. According to the automatic angle adjusting mechanism for the sand blasting gun used in the high-dust environment, the angle of the sand blasting gun on the spray gun mounting rotating shaft is conveniently adjusted, dust is prevented from entering the sealed protective shell to affect a transmission part, and the service life of the transmission part can be greatly prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of sandblasting guns, in particular to an automatic angle adjustment mechanism for sandblasting guns used in a high dust environment. Background Art

[0002] The sandblasting machine sprays abrasives onto the workpiece surface at high speed, and uses the impact and friction of the abrasives on the workpiece surface to remove burrs, oxide layers and other contaminants on the workpiece surface. During the operation of the sandblasting machine, the working angle of the sandblasting gun in the sandblasting machine is adjusted through the automatic angle adjustment mechanism;

[0003] The existing automatic angle adjustment mechanism of the sandblasting gun has a complex adjustment structure, which is not convenient for adjusting the angle of the sandblasting gun. In a high dust environment, dust is easy to enter and affect the transmission parts, shortening the service life of the transmission parts. For example, a Chinese utility model with authorization announcement number CN218461899U proposes a sandblasting gun fixing frame and a sandblasting device. The sandblasting gun fixing frame includes a fixing part and two arc-shaped fixing plates, the two arc-shaped fixing plates are cross-arranged, the fixing part is arranged at the intersection area of ​​the two arc-shaped fixing plates, each of the two ends of the arc-shaped fixing plates is provided with an opening, and an adjustment part is slidably arranged in the opening, and the adjustment part is used to adjust and A fixed sandblasting gun, a surface of each of the arc-shaped fixed plates is provided with a scale, and the scale corresponds to the opening; the sandblasting gun is driven to slide in the opening by the adjustment portion to adjust the angle of the sandblasting gun, and a scale is provided on the surface of each arc-shaped fixed plate, and the scale corresponds to the opening, and the sandblasting gun can be adjusted by the scale. At the same time, each sandblasting gun can be adjusted individually, which effectively improves the adjustment accuracy of the sandblasting gun, thereby improving the quality of the product. The structure is exposed to the outside, and dust can easily affect the transmission parts. Therefore, we propose an automatic angle adjustment mechanism for a sandblasting gun used in a high dust environment to solve the above-mentioned problems. Utility Model Content

[0004] To solve the problems raised in the above background technology, the utility model provides an automatic angle adjustment mechanism for a sandblasting gun used in a high dust environment, which is convenient for adjusting the angle of the sandblasting gun on the rotating shaft where the spray gun is installed, and prevents dust from entering the sealed protective shell to affect the transmission parts, thereby greatly improving the service life of the transmission parts.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: an automatic angle adjustment mechanism for a sandblasting gun in a high dust environment, comprising a lifting arm and a sealed protective shell:

[0006] An adjustment motor is fixed to the front side of the lifting arm by screws, an eccentric balance wheel is fixed to the output end of the adjustment motor, a first bearing seal is fixedly connected to the left side of the eccentric balance wheel, a right end of the eccentric balance wheel is rotatably connected to an intermodal rod, a bottom end of the intermodal rod is rotatably connected to a support rod, a bottom end of the support rod is rotatably connected to a control arm, a rotating rod is fixed to the bottom end of the control arm, dust covers are fixed to the left and right sides of the rotating rod, and a second bearing seal is fixed to the inner end of the dust cover;

[0007] A spray gun installation rotating shaft is fixed on the outer side of the dust cover;

[0008] The sealed protective shell is fixed on the front side of the lifting arm.

[0009] By adopting the above technical solution, it is easy to adjust the angle of the sandblasting gun on the rotating shaft of the spray gun installation, and dust is prevented from entering the sealed protective shell to affect the transmission parts, which can greatly improve the service life of the transmission parts.

[0010] As a preferred technical solution of the utility model, the first bearing sealing ring is rotatably mounted on the top of the sealed protective shell.

[0011] By adopting the above technical solution, dust is prevented from entering the top interior of the sealed protective shell through the first bearing sealing ring.

[0012] As a preferred technical solution of the utility model, the eccentric balance wheel, the interlinking rod, the support rod, the control arm and the spray gun installation rotating shaft constitute a linkage mechanism.

[0013] By adopting the above technical solution, the angle of the spray gun can be easily adjusted by utilizing the linkage mechanism composed of the eccentric balance wheel, the interlinking rod, the support rod, the control arm and the spray gun installation rotating shaft.

[0014] As a preferred technical solution of the present utility model, the second bearing sealing ring is rotatably mounted on the bottom end of the sealed protective shell.

[0015] By adopting the above technical solution, the second bearing sealing ring is used to protect the bottom interior of the sealed protective shell.

[0016] As a preferred technical solution of the present utility model, the rotating rod passes through the bottom end of the sealed protective shell.

[0017] By adopting the above technical solution, the rotating rod can rotate at the bottom end of the sealed protective shell.

[0018] As a preferred technical solution of the present utility model, the dust cover is symmetrically arranged with respect to the center line of the sealed protective shell.

[0019] By adopting the above technical solution, the sealed protective shell is fully protected by the dust cover.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] 1. The utility model is provided with an eccentric balance wheel, a transport rod, a support rod, a control arm and a spray gun installation rotating shaft, which form a linkage mechanism. The adjustment motor drives the spray gun installation rotating shaft to rotate through the linkage mechanism, so as to facilitate the adjustment of the angle of the sandblasting gun on the spray gun installation rotating shaft;

[0022] 2. The utility model provides a first bearing sealing ring and a second bearing sealing ring, and the first bearing sealing ring and the second bearing sealing ring are both rotatably mounted on the sealed protective shell. The first bearing sealing ring and the second bearing sealing ring are used for protection, so as to prevent dust from entering the sealed protective shell and affecting the transmission parts, thereby greatly improving the service life of the transmission parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0024] Figure 1 This is a schematic diagram of the front view cutaway structure of the utility model;

[0025] Figure 2 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0026] Figure 3 It is a schematic diagram of the front and side cutaway structure of the utility model;

[0027] Figure 4 It is a schematic diagram of the overall structure of the second bearing sealing ring and the dust cover connected to the utility model.

[0028] In the figure: 1. lifting arm; 2. adjustment motor; 3. eccentric balance wheel; 4. first bearing seal ring; 5. intermodal rod; 6. support rod; 7. control arm; 8. rotating rod; 9. dust cover; 10. second bearing seal ring; 11. spray gun mounting rotating shaft; 12. sealed protective shell. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1-4The utility model provides the following technical solutions: an automatic angle adjustment mechanism for a sandblasting gun used in a high dust environment, comprising a lifting arm 1, an adjustment motor 2, an eccentric balance wheel 3, a first bearing seal ring 4, an intermodal rod 5, a support rod 6, a control arm 7, a rotating rod 8, a dust cover 9, a second bearing seal ring 10, a spray gun installation rotating shaft 11 and a sealed protective shell 12, the sandblasting gun is installed on the spray gun installation rotating shaft 11, when the angle of the sandblasting gun needs to be adjusted, the adjustment motor 2 is turned on, such as Figure 1 and Figure 2 As shown, an eccentric balance wheel 3 is fixed to the output end of the adjustment motor 2, and the right end of the eccentric balance wheel 3 is rotatably connected to the intermodal rod 5, the bottom end of the intermodal rod 5 is rotatably connected to the support rod 6, and the bottom end of the support rod 6 is rotatably connected to the control arm 7. The intermodal rod 5, the support rod 6 and the control arm 7 are rotatably connected by a latch, and a rotating rod 8 is fixed to the bottom end of the control arm 7. The eccentric balance wheel 3, the intermodal rod 5, the support rod 6, the control arm 7 and the spray gun installation rotating shaft 11 constitute a linkage mechanism. The adjustment motor 2 drives the eccentric balance wheel 3 to rotate, so that the intermodal rod 5 rotatably connected to the eccentric balance wheel 3 rises and falls, and then the support rod 6 and the control arm 7 rotate, so that the rotating rod 8, the dust cover 9, the second bearing sealing ring 10 and the spray gun installation rotating shaft 11 rotate, and then the sandblasting gun on the spray gun installation rotating shaft 11 rotates to adjust the angle of the spray gun. When the adjustment motor 2 continues to work, the spray gun installation rotating shaft 11 swings continuously;

[0031] like Figure 1 , Figure 2 and Figure 4 As shown, the first bearing seal ring 4 is rotatably mounted on the top of the sealed protective shell 12, and the second bearing seal ring 10 is rotatably mounted on the bottom of the sealed protective shell 12. The first bearing seal ring 4 and the second bearing seal ring 10 are used to prevent dust from entering the interior of the sealed protective shell 12 and to prevent dust from affecting the transmission parts. The first bearing seal ring 4 rotates with the eccentric balance wheel 3, and the second bearing seal ring 10 rotates with the rotating rod 8 and the dust cover 9. Finally, it should be noted that the above is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to replace some of the technical features therein by equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. An automatic angle adjustment mechanism for a sandblasting gun in a high dust environment, characterized in that: It comprises a lifting arm (1) and a sealed protective shell (12): An adjustment motor (2) is fixed to the front side of the lifting arm (1) by screws, an eccentric balance wheel (3) is fixed to the output end of the adjustment motor (2), a first bearing seal ring (4) is fixedly connected to the left side of the eccentric balance wheel (3), a right end of the eccentric balance wheel (3) is rotatably connected to an intermodal rod (5), a bottom end of the intermodal rod (5) is rotatably connected to a support rod (6), a bottom end of the support rod (6) is rotatably connected to a control arm (7), a rotating rod (8) is fixed to the bottom end of the control arm (7), dust covers (9) are fixed to the left and right sides of the rotating rod (8), and a second bearing seal ring (10) is fixed to the inner end of the dust cover (9); A spray gun mounting rotating shaft (11) is fixed to the outer side of the dust cover (9); The sealed protective shell (12) is fixed on the front side of the lifting arm (1).

2. The automatic angle adjustment mechanism for a sandblasting gun in a high dust environment according to claim 1, characterized in that: The first bearing sealing ring (4) is rotatably mounted on the top end of the sealed protective shell (12).

3. The automatic angle adjustment mechanism for a sandblasting gun in a high dust environment according to claim 1, characterized in that: The eccentric balance wheel (3), the interlinking rod (5), the support rod (6), the control arm (7) and the spray gun mounting rotating shaft (11) constitute a linkage mechanism.

4. The automatic angle adjustment mechanism for a sandblasting gun in a high dust environment according to claim 1, characterized in that: The second bearing sealing ring (10) is rotatably mounted on the bottom end of the sealed protective shell (12).

5. The automatic angle adjustment mechanism for a sandblasting gun in a high dust environment according to claim 1, characterized in that: The rotating rod (8) passes through the bottom end of the sealed protective shell (12).

6. The automatic angle adjustment mechanism for a sandblasting gun in a high dust environment according to claim 1, characterized in that: The dust cover (9) is symmetrically arranged with respect to the center line of the sealed protective shell (12).

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