Electrostatic powder spraying gun

Abstract

The utility model relates to an electrostatic powder spraying gun, which belongs to the technical field of electrostatic powder spraying guns, and comprises an electrostatic powder spraying gun body, a feed pipe and a spraying head, a protective mechanism is arranged on the outer wall of the electrostatic powder spraying gun body, and the protective mechanism comprises a protective cover movably mounted on the peripheral wall of the spraying head. Two fixing seats are fixedly mounted on the peripheral wall of the protective cover, and a limiting ring is fixedly mounted on the peripheral wall of the electrostatic powder spraying gun body. According to the electrostatic powder spraying gun, the spraying head is protected through the action of the protective cover, the protection effect on the spraying head is improved, the protective cover is preliminarily fixed through the action of the fixing base, the limiting ring, the mounting base and the limiting rod, and the spraying head is fixed through the action of the mounting rod, a pull ring, a supporting plate, a tension spring, a connecting plate and a pull hook. The mounting stability of the protective cover is improved under the action of elastic tension, and the mounting tightness of the protective cover is improved under the action of the reinforcing assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of electrostatic powder spraying guns, and particularly relates to an electrostatic powder spraying gun. Background Technique

[0002] The electrostatic powder spraying gun technology is an advanced surface treatment technology. It mainly uses the principle of the electrostatic field to evenly spray the powder coating on the surface of the workpiece. Through a special spray gun device, the powder coating is transported to the metal diversion cup at the head of the spray gun by high-pressure gas, and a high-voltage negative charge is connected at the diversion cup to make the powder coating carry a negative charge. At the same time, the workpiece to be coated is grounded to form a positive electrode, so as to form a strong electrostatic field between the spray gun and the workpiece. In this electrostatic field, the powder coating is evenly adsorbed on the surface of the workpiece under the action of the electric field force. Then, the powder coating is melted and cured by heating and other methods to form a uniform, continuous, flat and smooth coating film. This technology not only has the advantages of environmental protection and no pollution, but also has high spraying efficiency and good coating quality, and is widely used in the surface coating process of industries such as automobiles, furniture, electronic products, and plastic products.

[0003] At present, in order to avoid powder clogging at the spray head, the inside of the spray head of the electrostatic powder spraying gun needs to be cleaned regularly. Since the spray head is exposed outside when not in use and is an element that is easy to damage, when the electrostatic powder spraying gun is impacted or squeezed by the outside when not in use, it is easy to cause damage and deformation of the spray head of the electrostatic powder spraying gun, resulting in abnormal use. Therefore, an electrostatic powder spraying gun is proposed. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides an electrostatic powder spraying gun, which has the advantages of protecting the spray head to prevent damage to the spray head, etc., and solves the problem that when the electrostatic powder spraying gun is impacted or squeezed by the outside when not in use, it is easy to cause damage and deformation of the spray head of the electrostatic powder spraying gun, resulting in abnormal use.

[0005] To achieve the above object, the utility model provides the following technical scheme: An electrostatic powder spraying gun, comprising an electrostatic powder spraying gun body, a feed pipe and a spray head, and a protection mechanism is arranged on the outer wall of the electrostatic powder spraying gun body;

[0006] The protection mechanism includes a protective cover movably installed on the outer peripheral wall of the spraying head. Two fixed seats are fixedly installed on the outer peripheral wall of the protective cover. A limiting ring is fixedly installed on the outer peripheral wall of the electrostatic powder spraying gun body. Two mounting seats are fixedly installed on the outer peripheral wall of the limiting ring. A limiting rod is fixedly installed on the left outer wall of the fixed seat. An installation rod is fixedly installed on the left outer wall of the limiting rod. A pull ring is fixedly installed on the left outer wall of the installation rod. Two support plates are fixedly installed on the outer peripheral wall of the electrostatic powder spraying gun body. A tension spring is fixedly installed on the side of the support plate close to the spraying head. A connecting plate is fixedly installed on the right outer wall of the tension spring. A hook is fixedly installed on the right outer wall of the connecting plate. A reinforcement component is arranged on the outer wall of the electrostatic powder spraying gun body.

[0007] Furthermore, the reinforcement component includes four reinforcement clamping plates fixedly installed on the left outer wall of the protective cover. Two positioning seats are fixedly installed on the outer peripheral wall of the electrostatic powder spraying gun body. Two adjusting rods are slidably connected to the side of the positioning seat close to the limiting ring. A rotating shaft is rotatably connected inside two adjacent adjusting rods. A telescopic spring is fixedly installed between the two adjusting rods.

[0008] Furthermore, four sliding holes are formed inside the limiting ring. The reinforcement clamping plates are slidably connected inside the sliding holes and are of suitable sizes. Two adjacent reinforcement clamping plates are slidably connected to the top outer wall and the bottom outer wall of the positioning seat.

[0009] Furthermore, clamping grooves are formed on the outer walls of the opposite sides of the two reinforcement clamping plates. The side of the adjusting rod away from the positioning seat is clamped inside the clamping groove and is of suitable size.

[0010] Furthermore, the left outer wall of the protective cover is attached to the right outer wall of the limiting ring. The diameter of the protective cover is the same as that of the limiting ring. A through hole is formed inside the mounting seat. The limiting rod is slidably connected inside the through hole and is of suitable size.

[0011] Furthermore, the side of the hook away from the connecting plate is clamped on the outer wall of the pull ring.

[0012] Furthermore, the feed pipe is fixedly installed at the feed end of the electrostatic powder spraying gun body. The spraying head is movably installed at the discharge end of the electrostatic powder spraying gun body.

[0013] Furthermore, two friction plates are fixedly installed on the side of the support plate close to the protective cover. The tension spring is slidably connected between the two friction plates.

[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0015] The electrostatic powder spraying gun protects the spraying head through the function of the protective cover, improving the protection effect on the spraying head. Through the functions of the fixing seat, the limiting ring, the mounting seat and the limiting rod, the protective cover is initially fixed. Through the functions of the mounting rod, the pulling ring, the support plate, the tension spring, the connecting plate and the hook, the stability of the installation of the protective cover is improved through the action of elastic tension. Through the function of the reinforcement component, the tightness of the installation of the protective cover is increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the present utility model;

[0017] Figure 2 for the present utility model Figure 1 is an enlarged schematic structural diagram at A;

[0018] Figure 3 for the present utility model Figure 1 is a schematic partial sectional structure diagram;

[0019] Figure 4 is a schematic structural diagram of the reinforcement card plate of the present utility model.

[0020] In the figure: 1, the electrostatic powder spraying gun body; 2, the feed pipe; 3, the spraying head; 4, the protective cover; 5, the fixing seat; 6, the limiting ring; 7, the mounting seat; 8, the limiting rod; 9, the mounting rod; 10, the pulling ring; 11, the support plate; 12, the tension spring; 13, the connecting plate; 14, the hook; 15, the friction plate; 16, the reinforcement card plate; 17, the positioning seat; 18, the adjusting rod; 19, the rotating shaft; 20, the telescopic spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Example 1, please refer to Figures 1-4 , an electrostatic powder spraying gun in this embodiment includes an electrostatic powder spraying gun body 1, a feed pipe 2 and a spraying head 3, and a protection mechanism is provided on the outer wall of the electrostatic powder spraying gun body 1.

[0023] The feed pipe 2 is fixedly installed at the feed end of the electrostatic powder spraying gun body 1, and the spraying head 3 is movably installed at the discharge end of the electrostatic powder spraying gun body 1.

[0024] The protective mechanism includes a protective cover 4 movably installed on the outer peripheral wall of the spraying head 3. Two fixing seats 5 are fixedly installed on the outer peripheral wall of the protective cover 4. A limiting ring 6 is fixedly installed on the outer peripheral wall of the electrostatic powder spraying gun body 1. Two mounting seats 7 are fixedly installed on the outer peripheral wall of the limiting ring 6. A limiting rod 8 is fixedly installed on the left outer wall of the fixing seat 5. The left outer wall of the protective cover 4 is attached to the right outer wall of the limiting ring 6. The diameter of the protective cover 4 is the same as that of the limiting ring 6. A through hole is formed inside the mounting seat 7, and the limiting rod 8 is slidably connected inside the through hole and is of a suitable size.

[0025] An installation rod 9 is fixedly installed on the left outer wall of the limiting rod 8. A pull ring 10 is fixedly installed on the left outer wall of the installation rod 9. Two support plates 11 are fixedly installed on the outer peripheral wall of the electrostatic powder spraying gun body 1. A tension spring 12 is fixedly installed on the side of the support plate 11 close to the spraying head 3. A connecting plate 13 is fixedly installed on the right outer wall of the tension spring 12. A hook 14 is fixedly installed on the side of the connecting plate 13 away from the connecting plate 13, and the hook 14 is clamped on the outer wall of the pull ring 10.

[0026] A reinforcement component is provided on the outer wall of the electrostatic powder spraying gun body 1. The reinforcement component includes four reinforcement clamping plates 16 fixedly installed on the left outer wall of the protective cover 4. Two positioning seats 17 are fixedly installed on the outer peripheral wall of the electrostatic powder spraying gun body 1. Two adjusting rods 18 are slidably connected to the side of the positioning seat 17 close to the limiting ring 6. A rotating shaft 19 is rotatably connected inside two adjacent adjusting rods 18. A telescopic spring 20 is fixedly installed between the two adjusting rods 18.

[0027] Four sliding holes are formed inside the limiting ring 6. The reinforcement clamping plates 16 are slidably connected inside the sliding holes and are of a suitable size. Two adjacent reinforcement clamping plates 16 are slidably connected to the top outer wall and the bottom outer wall of the positioning seat 17. A clamping groove is formed on the outer wall of one side of the two reinforcement clamping plates 16 facing each other, and the side of the adjusting rod 18 away from the positioning seat 17 is clamped inside the clamping groove and is of a suitable size.

[0028] In this embodiment, the limiting rod 8 has a certain frictional force. The limiting rod 8 is slidably connected inside the mounting seat 7, which improves the stability of the installation of the protective cover 4.

[0029] In this embodiment, the two adjusting rods 18 are installed at an inclined angle. The two adjusting rods 18 form an X-shaped support frame, and the stability of the installation of the reinforcement clamping plates 16 is improved through the action of the support frame.

[0030] Embodiment 2: On the basis of Embodiment 1, a friction plate 15 is provided, and the stability of the use of the tension spring 12 is improved through the action of the friction plate 15.

[0031] The working principle of the above embodiments is as follows:

[0032] The protective cover 4 is slidably connected to the outer peripheral wall of the spraying head 3 and fits against the right outer wall of the limit ring 6. At the same time, the limit rod 8 is slidably connected to the inside of the mounting seat 7. Meanwhile, the reinforcement clamping plate 16 passes through the inside of the limit ring 6 and extends to the left. Then, the worker pulls the hook 14 to move to the right and connects the hook 14 with the pull ring 10. At this time, under the action of the pulling force of the tension spring 12, the protective cover 4 is pulled to the left, so that the protective cover 4 is installed on the outer wall of the spraying head 3. Then, the worker squeezes the two adjusting rods 18 so that the sides of the adjusting rods 18 away from the positioning seat 17 are clamped into the inside of the reinforcement clamping plate 16. At this time, the fixed installation of the protective cover 4 is completed.

[0033] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0034] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electrostatic powder spraying gun, comprising an electrostatic powder spraying gun body (1), a feed pipe (2) and a spraying head (3), characterized in that: The outer wall of the electrostatic powder spraying gun body (1) is provided with a protective mechanism; The protection mechanism comprises a protection cover (4) movably mounted on the outer peripheral wall of the spray head (3); two fixing seats (5) are fixedly mounted on the outer peripheral wall of the protection cover (4); a limiting ring (6) is fixedly mounted on the outer peripheral wall of the electrostatic powder spray gun body (1); two mounting seats (7) are fixedly mounted on the outer peripheral wall of the limiting ring (6); a limiting rod (8) is fixedly mounted on the left outer wall of the fixing seat (5); a mounting rod (9) is fixedly mounted on the left outer wall of the limiting rod (8); A pull ring (10) is fixedly installed on the left outer wall of the mounting rod (9), two support plates (11) are fixedly installed on the outer peripheral wall of the electrostatic powder spraying gun body (1), a tension spring (12) is fixedly installed on the side of the support plate (11) close to the spraying head (3), a connecting plate (13) is fixedly installed on the right outer wall of the tension spring (12), a draw hook (14) is fixedly installed on the right outer wall of the connecting plate (13), and a reinforcement component is provided on the outer wall of the electrostatic powder spraying gun body (1).

2. An electrostatic powder spraying gun according to claim 1, characterized in that: The reinforcement assembly comprises four reinforcement clamping plates (16) fixedly mounted on the left outer wall of the protective cover (4); two positioning seats (17) are fixedly mounted on the outer peripheral wall of the electrostatic powder spraying gun body (1); two adjusting rods (18) are slidably connected to one side of the positioning seat (17) close to the limiting ring (6); a rotating shaft (19) is rotatably connected inside two adjacent adjusting rods (18); and a telescopic spring (20) is fixedly mounted between the two adjusting rods (18).

3. An electrostatic powder spraying gun according to claim 2, characterized in that: The limiting ring (6) is provided with four sliding holes inside, the reinforcing card plates (16) are slidably connected inside the sliding holes and are of matching sizes, and two adjacent reinforcing card plates (16) are slidably connected to the top outer wall and the bottom outer wall of the positioning seat (17).

4. An electrostatic powder spraying gun according to claim 2, characterized in that: A slot is formed on the outer wall of the two reinforcing clamping plates (16) on one side opposite to the other, and the side of the adjusting rod (18) away from the positioning seat (17) is clamped inside the slot and has a matching size.

5. The electrostatic powder spraying gun according to claim 1, characterized in that: The left outer wall of the protective cover (4) is fitted on the right outer wall of the limiting ring (6); the diameter of the protective cover (4) is the same as the diameter of the limiting ring (6); a through hole is provided inside the mounting seat (7); the limiting rod (8) is slidably connected inside the through hole and has a matching size.

6. An electrostatic powder spraying gun according to claim 1, characterized in that: The side of the draw hook (14) away from the connecting plate (13) is clamped on the outer wall of the draw ring (10).

7. An electrostatic powder spraying gun according to claim 1, characterized in that: The feed pipe (2) is fixedly mounted on the feed end of the electrostatic powder spraying gun body (1), and the spraying head (3) is movably mounted on the discharge end of the electrostatic powder spraying gun body (1).

8. The electrostatic powder spraying gun according to claim 1, characterized in that: Two friction plates (15) are fixedly mounted on one side of the support plate (11) close to the protective cover (4), and the tension spring (12) is slidably connected between the two friction plates (15).

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