Pneumatic spray gun for spraying aluminum piston mold

Abstract

The utility model relates to the technical field of pneumatic spray guns for spraying aluminum piston molds, and discloses a pneumatic spray gun for spraying aluminum piston molds, which comprises a fixed truss, and a holding groove is arranged on the inner wall of the bottom of the right side of the fixed truss; the movable extrusion plate slides on the inner wall of the fixed cylinder and moves rightwards, so that the air pressure of an inner cavity of the fixed cylinder is reduced, a fixed ring is fixedly connected to the inner wall of the middle section of the fixed cylinder, the connected fixed ring moves leftwards along with the reduction of the air pressure of a left cavity of the fixed cylinder, and a movable sliding plug drives a connecting rod fixedly connected to the right end to move; a material opening is formed in the top of a material gun communicated with the right end of the fixed barrel, the connected material opening is communicated with a material groove, spraying materials enter an inner cavity of the material gun through the material groove, spraying is conducted through a spraying head communicated with the right section of the material gun, and a connected air nozzle can effectively avoid unstable air pressure; and uneven spraying is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic spray guns for spraying aluminum piston molds, in particular to a pneumatic spray gun for spraying aluminum piston molds. Background Art

[0002] In the field of casting of special aluminum alloy parts (pistons), a general-purpose spray gun is generally used. It is connected to compressed air, and high-speed airflow is controlled to enter the conveying channel to form a vacuum to generate negative pressure. The paint is sucked out from the paint nozzle and spreads into a mist of particles along with the airflow and sprayed onto the working surface to form a liquid film. However, in actual applications, due to continuous spraying, the air pressure inside the barrel changes, which leads to uneven spraying and uneven thickness of the mold surface coating when using a general-purpose spray gun. Based on this, a pneumatic spray gun for spraying aluminum piston molds is proposed. Utility Model Content

[0003] The utility model aims to provide a pneumatic spray gun for spraying an aluminum piston mold, which solves the problems described in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pneumatic spray gun for spraying aluminum piston molds, comprising a fixed truss, a grip groove is arranged on the inner wall of the bottom right side of the fixed truss, a fixed base plate is fixedly installed on the bottom left side of the fixed truss, an end cover is fixedly installed on the bottom of the fixed base plate, a paint tank is threadedly connected to the inner wall of the end cover, a filter assembly is fixedly installed on the bottom of the inner wall of the paint tank, a paint delivery pipe is connected to the top of the inner wall of the filter assembly, an air nozzle is connected to the top of the paint delivery pipe, a rotating rod is rotatably connected to the inner wall of the limiting groove opened on the inner wall of the fixed truss, a trigger is fixedly connected to the inner side of the rotating rod, and the inner wall of the rotating rod is fixedly connected to the trigger. A connecting rod is hinged on the right side of the trigger, a sliding block is fixedly connected to the right end of the connecting rod, an extrusion plate is fixedly connected to the right end of the sliding block, a fixed cylinder is fixedly connected to the inner wall of the fixed truss, an air hole is opened in the left section of the fixed cylinder, a fixing ring is fixedly connected to the middle section of the inner wall of the fixed cylinder, a movable sliding plug is slidably connected to the inner wall of the fixed ring, the right end of the movable sliding plug is fixedly connected to a connecting rod, a plug block is fixedly connected to the right end of the connecting rod, a return spring is sleeved on the outer wall of the connecting rod, a partition plate is fixedly connected to the right section of the inner wall of the fixed cylinder, a material gun is provided at the right end of the fixed cylinder, a nozzle is connected to the right end of the material gun, and a material trough is opened on the inner wall of the upper section of the fixed truss.

[0005] Preferably, the paint delivery pipe is connected to the fixed base plate and the end cover, and the connecting holes opened in the fixed base plate and the end cover are connected to the material trough, and one end of the inner side of the air nozzle is connected to the material trough; the bottom of the air nozzle connected to the left side of the fixed truss is connected to the filter assembly set in the inner cavity of the paint tank through the paint delivery pipe, and the connected air nozzle is ventilated, so that the air pressure in the inner cavity of the connected paint tank remains stable.

[0006] Preferably, the lower section of the trigger is arranged in an arc shape, and the inner wall of the grip groove is evenly provided with anti-slip grooves; by holding the connected grip groove and pressing the trigger, the connecting rod hinged on the right side of the trigger can be driven to move, and the moving connecting rod drives the sliding block fixedly connected to the right section to move, and the moving sliding block drives the extrusion plate fixedly connected to the right section to move.

[0007] Preferably, the slider is slidably connected to the inner wall of the left end of the fixed cylinder, and the extrusion plate is slidably connected to the inner wall of the fixed cylinder; the movable extrusion plate slides on the inner wall of the fixed cylinder, and the movable extrusion plate moves to the right, so that the air pressure in the inner cavity of the fixed cylinder is reduced, and a fixing ring is fixedly connected to the inner wall of the middle section of the fixed cylinder, and the connected fixing ring moves to the left as the air pressure in the left cavity of the fixed cylinder decreases.

[0008] Preferably, the connecting rod is slidably connected to the inner wall of the partition plate.

[0009] Preferably, a material inlet is provided at the top of the left section of the material gun, and the material inlet is connected to the material trough; when spraying is stopped, the connected trigger is pulled in reverse, and the connected extrusion plate can move in the reverse direction. An air hole is provided in the left section of the fixed cylinder, so that the inner cavity of the left section of the fixed cylinder can be connected to the outside air. The retaining ring sleeved on the outer wall of the connecting rod pushes the connected plug block to move in the reverse direction, so that the material inlet at the top of the material gun can be blocked by the connected plug block, which can facilitate the spraying of the spray material.

[0010] The utility model provides a pneumatic spray gun for spraying aluminum piston molds. The pneumatic spray gun for spraying aluminum piston molds has the following beneficial effects:

[0011] 1. The pneumatic spray gun for spraying the aluminum piston mold has a movable extrusion plate that slides on the inner wall of the fixed cylinder. The movable extrusion plate moves to the right, so that the air pressure in the inner cavity of the fixed cylinder is reduced. A fixed ring is fixedly connected to the inner wall of the middle section of the fixed cylinder. The connected fixed ring moves to the left as the air pressure in the left cavity of the fixed cylinder decreases. The movable sliding plug drives the connecting rod fixedly connected at the right end to move, and the plug fixedly connected at the right end of the movable connecting rod moves accordingly. A material port is provided at the top of the material gun connected to the right end of the fixed cylinder, and the connected material port is connected to the material trough. The spray material enters the inner cavity of the material gun through the material trough and is sprayed through the nozzle connected to the right section of the material gun. The connected air nozzle can effectively avoid unstable air pressure and uneven spraying.

[0012] 2. The pneumatic spray gun for spraying the aluminum piston mold, when stopping spraying, pull the connected trigger in the reverse direction, the connected extrusion plate can move in the reverse direction, an air hole is opened in the left section of the fixed cylinder, the inner cavity of the left section of the fixed cylinder can be connected to the outside air, the retaining ring sleeved on the outer wall of the connecting rod pushes the connected plug to move in the reverse direction, the material port on the top of the material gun can be blocked by the connected plug, so that the spraying of the spray material can be facilitated. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a partial cross-sectional schematic diagram of the structure of the utility model;

[0015] Figure 3 It is a partially enlarged schematic diagram of the structure of the utility model;

[0016] Figure 4 It is a schematic diagram of the inclined elevation of the structure of the utility model.

[0017] In the figure: 1. fixed truss; 2. grip groove; 3. fixed base plate; 4. end cover; 5. paint tank; 6. air nozzle; 7. paint delivery pipe; 8. filter assembly; 9. rotating rod; 10. trigger; 11. connecting rod; 12. slider; 13. extrusion plate; 14. fixed cylinder; 15. air hole; 16. fixed ring; 17. movable sliding plug; 18. connecting rod; 19. return spring; 20. plug block; 21. material gun; 22. retaining ring; 23. nozzle; 24. material trough; 25. partition plate. DETAILED DESCRIPTION

[0018] 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.

[0019] Example:

[0020] The utility model provides a pneumatic spray gun for spraying aluminum piston molds. Figures 1 to 4As shown: a pneumatic spray gun for spraying aluminum piston molds, including a fixed truss 1, a grip groove 2 is provided on the inner wall at the bottom right side of the fixed truss 1, a fixed base plate 3 is fixedly installed on the bottom left side of the fixed truss 1, an end cover 4 is fixedly installed on the bottom of the fixed base plate 3, a paint tank 5 is threadedly connected to the inner wall of the end cover 4, a filter assembly 8 is fixedly installed on the bottom of the inner wall of the paint tank 5, a paint delivery pipe 7 is connected to the top of the inner wall of the filter assembly 8, and an air nozzle 6 is connected to the top of the paint delivery pipe 7, a rotating rod 9 is rotatably connected to the inner wall of the limiting groove opened on the inner wall of the fixed truss 1, a trigger 10 is fixedly connected to the inner side of the rotating rod 9, a connecting rod 11 is hinged on the right side of the trigger 10, a slider 12 is fixedly connected to the right end of the connecting rod 11, an extrusion plate 13 is fixedly connected to the right end of the slider 12, a fixed cylinder 14 is fixedly connected to the inner wall of the fixed truss 1, an air hole 15 is opened on the left section of the fixed cylinder 14, a fixed ring 16 is fixedly connected to the middle section of the inner wall of the fixed cylinder 14, and the inner wall of the fixed ring 16 slides The movable sliding plug 17 is connected to the movable sliding plug 17, the right end of the movable sliding plug 17 is fixedly connected to the connecting rod 18, the right end of the connecting rod 18 is fixedly connected to the plug block 20, the outer wall of the connecting rod 18 is sleeved with a return spring 19, the right section of the inner wall of the fixed cylinder 14 is fixedly connected to a partition plate 25, the right end of the fixed cylinder 14 is provided with a material gun 21, the right end of the material gun 21 is connected to a nozzle 23, and the inner wall of the upper section of the fixed truss 1 is provided with a material trough 24; the paint delivery pipe 7 is connected to the fixed base plate 3 and the end cover 4, and is fixed The connecting hole opened on the fixed base plate 3 and the end cover 4 is connected to the material trough 24, and one end of the inner side of the air nozzle 6 is connected to the material trough 24; the lower section of the trigger 10 is arranged in an arc shape, and the inner wall of the grip groove 2 is evenly provided with anti-slip tooth grooves; the slider 12 is slidably connected to the inner wall of the left end of the fixed cylinder 14, and the extrusion plate 13 is slidably connected to the inner wall of the fixed cylinder 14; the connecting rod 18 is slidably connected to the inner wall of the partition plate 25; a material port is opened at the top of the left section of the material gun 21, and the material port is connected to the material trough 24.

[0021] When the pneumatic spray gun for spraying aluminum piston mold is actually used, firstly, the paint tank 5 is filled with material, and the paint tank 5 is threadedly installed on the inner wall of the end cover 4. The end cover 4 is fixedly installed at the bottom of the fixed base plate 3 fixedly connected to the bottom of the left side of the fixed truss 1. The bottom of the air nozzle 6 connected to the left side of the fixed truss 1 is connected to the filter component 8 set in the inner cavity of the paint tank 5 through the paint delivery pipe 7, and the connected air nozzle 6 is ventilated so that the air pressure in the inner cavity of the connected paint tank 5 remains stable. The spray material is filtered by the action of the filter component 8. The filtered spray material is then transported by the paint delivery pipe 7, and the inner wall of the rotating rod 9 that rotates the limit groove at the bottom of the inner wall of the fixed truss 1 is fixedly connected with a trigger 10. The connected grip groove 2 is held and the trigger 10 is pressed, which can drive the connecting rod 11 hinged on the right side of the trigger 10 to move. The moving connecting rod 11 drives the slider 12 fixedly connected to the right section to move, and the moving slider 12 drives the extrusion plate 13 fixedly connected to the right section to move. The moving extrusion plate 13 slides on the inner wall of the fixed cylinder 14, and the moving extrusion plate 13 moves to the right , so that the air pressure in the inner cavity of the fixed cylinder 14 is reduced, and a fixed ring 16 is fixedly connected to the inner wall of the middle section of the fixed cylinder 14. The connected fixed ring 16 moves to the left as the air pressure in the left cavity of the fixed cylinder 14 decreases. The movable sliding plug 17 drives the connecting rod 18 fixedly connected to the right end to move, and the plug 20 fixedly connected to the right end of the moving connecting rod 18 moves accordingly. A material port is opened at the top of the material gun 21 connected to the right end of the fixed cylinder 14, and the connected material port is connected to the material trough 24. The spray material enters the inner cavity of the material gun 21 through the material trough 24, and passes through the material gun 2 1 is connected to the nozzle 23 for spraying, and the connected air nozzle 6 can effectively avoid unstable air pressure and uneven spraying; when stopping spraying, the connected trigger 10 is pulled in the reverse direction, and the connected extrusion plate 13 can move in the reverse direction. The air hole 15 is opened in the left section of the fixed cylinder 14, so that the inner cavity of the left section of the fixed cylinder 14 can be connected to the outside air. The retaining ring 22 sleeved on the outer wall of the connecting rod 18 pushes the connected plug 20 to move in the reverse direction, and the material port at the top of the material gun 21 can be blocked by the connected plug 20, so that the spraying of the spray material can be facilitated.

[0022] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0023] Finally, it should be noted that the above description 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 above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A pneumatic spray gun for spraying aluminum piston molds, comprising a fixed truss (1), characterized in that: A grip groove (2) is provided on the inner wall of the right bottom of the fixed truss (1); a fixed base plate (3) is fixedly installed on the left bottom of the fixed truss (1); an end cover (4) is fixedly installed on the bottom of the fixed base plate (3); a paint tank (5) is threadedly connected to the inner wall of the end cover (4); a filter assembly (8) is fixedly installed on the bottom of the inner wall of the paint tank (5); a paint delivery pipe (7) is connected to the top of the inner wall of the filter assembly (8); an air nozzle (6) is connected to the top of the paint delivery pipe (7); a rotating rod (9) is rotatably connected to the inner wall of the limiting groove provided on the inner wall of the fixed truss (1); a trigger (10) is fixedly connected to the inner side of the rotating rod (9); a connecting rod (11) is hinged on the right side of the trigger (10); a slider (12) is fixedly connected to the right end of the connecting rod (11); the slider (12) ) is fixedly connected to an extrusion plate (13) at its right end, a fixed cylinder (14) is fixedly connected to the inner wall of the fixed truss (1), an air hole (15) is provided on the left section of the fixed cylinder (14), a fixed ring (16) is fixedly connected to the middle section of the inner wall of the fixed cylinder (14), a movable sliding plug (17) is slidably connected to the inner wall of the fixed ring (16), a connecting rod (18) is fixedly connected to the right end of the movable sliding plug (17), a plug block (20) is fixedly connected to the right end of the connecting rod (18), a return spring (19) is sleeved on the outer wall of the connecting rod (18), a partition plate (25) is fixedly connected to the right section of the inner wall of the fixed cylinder (14), a material gun (21) is provided at the right end of the fixed cylinder (14), a nozzle (23) is connected to the right end of the material gun (21), and a material trough (24) is provided on the inner wall of the upper section of the fixed truss (1).

2. The pneumatic spray gun for spraying aluminum piston mold according to claim 1, characterized in that: The paint delivery pipe (7) is connected to the fixed base plate (3) and the end cover (4), and the connecting holes opened in the fixed base plate (3) and the end cover (4) are connected to the material tank (24), and one end of the inner side of the air nozzle (6) is connected to the material tank (24).

3. The pneumatic spray gun for spraying aluminum piston mold according to claim 1, characterized in that: The lower section of the trigger (10) is arranged in an arc shape, and the inner wall of the grip groove (2) is evenly provided with anti-slip grooves.

4. The pneumatic spray gun for spraying aluminum piston mold according to claim 1, characterized in that: The sliding block (12) is slidably connected to the inner wall of the left end of the fixed cylinder (14), and the extrusion plate (13) is slidably connected to the inner wall of the fixed cylinder (14).

5. The pneumatic spray gun for spraying aluminum piston mold according to claim 1, characterized in that: The connecting rod (18) is slidably connected to the inner wall of the partition plate (25).

6. The pneumatic spray gun for spraying aluminum piston mold according to claim 1, characterized in that: A material opening is provided at the top of the left section of the material gun (21), and the material opening is connected to the material trough (24).

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