CN111841924A

CN111841924A - High-precision spray gun

Info

Publication number: CN111841924A
Application number: CN202010829855.0A
Authority: CN
Inventors: 汪平; 晏利华; 王金林; 姚玉金
Original assignee: MAANSHAN ZHONGTIAN MACHINERY INSTALLED Ltd
Current assignee: MAANSHAN ZHONGTIAN MACHINERY INSTALLED Ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2020-10-30

Abstract

The invention relates to a high-precision spray gun which comprises a water inlet pipe, wherein one end of the water inlet pipe is connected with a first pressurizing cavity, a filter screen is arranged at the joint of the water inlet pipe and the first pressurizing cavity, a protrusion arranged on the periphery of the filter screen is matched with a groove arranged on the water inlet pipe, an air compressor is arranged on the first pressurizing cavity, a mixing cavity is arranged on the first pressurizing cavity, three injection assemblies are arranged on the mixing cavity, and the three injection assemblies are connected through a fixing assembly. The invention has the advantages of anti-blocking, low cost, good pressurizing effect ensured by multiple pressurizing, high spraying speed, wide area, working efficiency and precision improvement by matching with the nozzle to rotate by 60-90 degrees, stable and firm structure, strong safety performance, abrasion reduction and whole service life extension.

Description

High-precision spray gun

Technical Field

The invention particularly relates to a high-precision spray gun.

Background

The spray gun is a device which utilizes liquid or compressed air to quickly release as power, and the application of the spray gun in the industry can be directly used for coating, namely a simple spray gun, and also can be installed in automatic equipment, such as spraying equipment of an automatic glue sprayer, an automatic glue spreader and the like.

However, the conventional automatic spray gun is relatively simple in structure, and is easy to damage after the spray gun works for a long time, so that normal use is affected, meanwhile, due to the use of a single spray gun, the working efficiency is reduced, due to the fact that the existing spray gun cannot rotate the spray nozzle left and right, the spray area is not wide, the existing rotary spray nozzle is not tight in connection relation, the phenomenon of looseness is easy to occur, and therefore improvement is needed.

Disclosure of Invention

The invention aims to provide a high-precision spray gun, which aims to solve the technical problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high accuracy spray gun, includes the inlet tube, first pressurization chamber is connected to inlet tube one end, the inlet tube is equipped with the filter screen with first pressurization chamber junction, the recess phase-match that is equipped with on the arch that is equipped with on the filter screen periphery and the inlet tube, be equipped with air compressor on the first pressurization chamber, be equipped with the hybrid chamber on the first pressurization chamber, be equipped with three injection subassembly on the hybrid chamber, it is three connect through fixed subassembly between the injection subassembly.

Preferably, it is three the injection subassembly includes the pressurized tube, be equipped with the solenoid valve on the pressurized tube, be equipped with the flowmeter on the solenoid valve, the nozzle is connected through rotatory subassembly in the pressurized tube top, the nozzle includes the connecting block, rotatory subassembly is connected to connecting block one end, and the second adds the pressure chamber is connected to the other end, it is equipped with a plurality of injection pipes, a plurality of to add on the pressure chamber to the second in the injection hole that the injection pipe is connected to sectorial shell top, the connecting block is connected to the shell other end, and is a plurality of it is fixed through the support between the injection pipe, the support is fixed on the inner wall of.

Preferably, rotating assembly includes hollow first connecting block and second connecting block, first connecting block one end screwed connection pressurized pipe, second connecting block one end screwed connection nozzle, the cover has assorted go-between with it on the first connecting block, be equipped with the buffer beam on the go-between, be equipped with the hydraulic stem on the buffer beam, the hydraulic stem other end is connected on hollow swivel head, the swivel head is connected first connecting block and second connecting block respectively.

Preferably, fixed subassembly is including solid fixed ring, gu fixed ring fixes on assorted hybrid chamber with it, gu the fixed ring inboard is equipped with the sealing washer, gu be equipped with a plurality of connecting rods on the fixed ring, it is a plurality of the central point of connecting rod puts and the top all is equipped with mutually vertically dead lever with it, the dead lever both ends are equipped with the regulation hoop, it fixes on the forcing pipe to adjust the hoop, and is a plurality of be equipped with damping spring on connecting rod and the dead lever.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the filter screen is adopted, so that the impurity amount of the injection liquid can be effectively reduced, the possibility of nozzle blockage is reduced, the detachable design can be replaced in time, the use is convenient and fast, the flow is effectively calculated through the use of the flowmeter, the injection is effectively carried out, and the cost is saved;

2. the air compressor is connected with the first pressurizing cavity for use, so that the pressure is effectively improved, water flow is quickly pushed, the pressurizing speed is shortened, the working efficiency and the precision are improved, the internal temperature is not overhigh, and the stability of the structure is ensured;

3. the three spraying assemblies are overlapped for use, so that the spraying area is effectively enlarged, the second pressurizing cavity can be used for secondary pressurization, the spraying force is improved, the nozzles can be ensured to rotate by 60-90 degrees by matching with the rotating assemblies, the stability and consistency can be effectively improved by rotating through the hydraulic rods, and the spraying precision is increased;

4. the spray assembly adopts the fixing assembly to effectively strengthen the connection between the spray assemblies, the impact can be effectively received by the matching use of the connecting rod and the fixing rod, the stability of the structure is strengthened by the use of the damping spring, the abrasion is reduced by the use of the sealing ring, and the service life of the whole spray assembly is prolonged.

Description of the drawings:

FIG. 1: the invention has a structure schematic diagram;

FIG. 2: the invention is a structural schematic diagram of a spraying assembly;

FIG. 3: the structure of the filter screen is shown schematically;

FIG. 4: the invention relates to a sectional view of a fixing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the invention and simplifying the description, but do not indicate or imply that the device or the element to which the description refers must have a specific orientation, be configured in a specific orientation, and operate, and thus, cannot be construed as limiting the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The invention provides a technical scheme that:

a high-precision spray gun comprises a water inlet pipe 1, wherein one end of the water inlet pipe 1 is connected with a first pressurizing cavity 2, a filter screen 3 is arranged at the joint of the water inlet pipe 1 and the first pressurizing cavity 2, a bulge 4 arranged on the periphery of the filter screen 3 is matched with a groove 5 arranged on the water inlet pipe 1, an air compressor 6 is arranged on the first pressurizing cavity 2, a mixing cavity 7 is arranged on the first pressurizing cavity 2, three injection components 8 are arranged on the mixing cavity 7, the three injection components 8 comprise a pressurizing pipe 81, an electromagnetic valve 82 is arranged on the pressurizing pipe 81, a flow meter 83 is arranged on the electromagnetic valve 82, the top of the pressurizing pipe 81 is connected with a nozzle through a rotating component 10, the three injection components 8 are connected through a fixed component 9, the filter screen 3 can be disassembled, and the expansion of a hydraulic rod 15 ensures that the three injection components keep the rotation in the, the stable in structure is firm, can dismantle with trading the filter screen, prevents that the nozzle from blockking up, and the cost is practiced thrift in effective control jet flow.

The nozzle includes connecting block 84, rotating component 10 is connected to connecting block 84 one end, and the second pressurizes the chamber 85 is connected to the other end, be equipped with a plurality of injection pipes 86 on the second pressurizes the chamber 85, it is a plurality of injection pipe 86 is connected to in the jet orifice 88 at sectorial shell 87 top, connecting block 84 is connected to the shell 87 other end, and is a plurality of it is fixed through support 89 between the injection pipe 86, support 89 is fixed on shell 87's inner wall, and stable in structure is firm, pressurizes the use in chamber through the secondary and can effectively pressurize, improves the injection dynamics, and the structural component of nozzle can effectively increase the dynamics simultaneously.

In this embodiment, fixed subassembly 9 is including solid fixed ring 91, gu fixed ring 91 fixes on assorted mixing chamber 7 with it, gu fixed ring 91 inboard is equipped with sealing washer 92, gu be equipped with a plurality of connecting rods 93 on the fixed ring 91, it is a plurality of the central point of connecting rod 93 puts and the top all is equipped with looks vertically dead lever 94 with it, dead lever 94 both ends are equipped with adjusts hoop 95, it fixes on forcing pipe 81 to adjust hoop 95, and is a plurality of be equipped with damping spring 96 on connecting rod 93 and the dead lever 94, effectively improve the connection between the injection subassembly, reduce the impact that receives, additional strengthening's stability, increase of service life.

In this embodiment, the rotating assembly 10 includes a hollow first connecting block 11 and a hollow second connecting block 12, one end of the first connecting block 11 is screwed to the pressurizing pipe 81, one end of the second connecting block 12 is screwed to the nozzle, the first connecting block 11 is sleeved with a connecting ring 13 matched with the first connecting block, the connecting ring 13 is provided with a buffer rod 14, the buffer rod 14 is provided with a hydraulic rod 15, the other end of the hydraulic rod 15 is connected to a hollow rotating head 16, the rotating head 16 connects the first connecting block 11 and the second connecting block 12 respectively, rotation of the nozzle is effectively achieved, rotation between 60 ° and 90 ° can be performed, and the spraying area is increased.

The working principle is as follows: the invention is fixed on large-scale automation equipment (such as a glue spreader and the like), an electromagnetic valve, a flowmeter, a hydraulic rod, a first pressurizing cavity, an air compressor and a second pressurizing cavity are connected into a control system of the equipment, the electromagnetic valve and the flowmeter are opened under the action of a controller, liquid flows in from a water inlet pipe, pressurization is carried out in the first pressurizing cavity, the liquid is compressed and rotated by the air compressor to flow in a mixing cavity and flow in through a pressurizing pipe, meanwhile, the hydraulic rod is continuously and uniformly stretched under the action of the controller at the same time, and the angles of three injection components are kept consistent, so that the liquid is pressurized in the second pressurizing cavity and is sprayed out from an injection hole, a fan-shaped effect is integrally achieved, and the spraying is effectively and uniformly carried out.

In the embodiment, the filter screen is adopted, so that the impurity amount of the injection liquid can be effectively reduced, the possibility of nozzle blockage is reduced, the detachable design can be replaced in time, the use is convenient and fast, the flow is effectively calculated through the use of the flowmeter, the injection is effectively carried out, and the cost is saved; the air compressor is connected with the first pressurizing cavity for use, so that the pressure is effectively improved, water flow is quickly pushed, the pressurizing speed is shortened, the working efficiency and the precision are improved, meanwhile, the internal temperature is not too high, and the stability of the structure is ensured; the three spraying assemblies are overlapped for use, so that the spraying area is effectively enlarged, secondary pressurization can be realized by using the second pressurization cavity, the spraying force is improved, the nozzle can be ensured to rotate by 60-90 degrees by matching with the use of the rotating assembly, the stability and consistency can be effectively improved by rotating through the use of the hydraulic rod, and the spraying precision is increased; adopt fixed subassembly can effectively strengthen the connection between the injection subassembly, use the impact that can effectively receive through the cooperation of connecting rod and dead lever, through damping spring's use additional strengthening's stability, the use of sealing washer reduces wearing and tearing, prolongs whole life.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high accuracy spray gun, includes inlet tube (1), its characterized in that: first pressure chamber (2) is connected to inlet tube (1) one end, inlet tube (1) is equipped with filter screen (3) with first pressure chamber (2) junction, recess (5) phase-match that is equipped with on protruding (4) that are equipped with on filter screen (3) the periphery and inlet tube (1), be equipped with air compressor (6) on first pressure chamber (2), be equipped with hybrid chamber (7) on first pressure chamber (2), be equipped with three injection assembly (8) on hybrid chamber (7), it is three connect through fixed subassembly (9) between injection assembly (8).

2. A high precision spray gun according to claim 1, wherein: it is three injection subassembly (8) are including pressurizeing pipe (81), be equipped with solenoid valve (82) on pressurizeing pipe (81), be equipped with flowmeter (83) on solenoid valve (82), the nozzle is connected through rotating assembly (10) at pressurizeing pipe (81) top, the nozzle includes connecting block (84), rotating assembly (10) is connected to connecting block (84) one end, and second pressurization chamber (85) are connected to the other end, be equipped with a plurality of injection pipes (86) on second pressurization chamber (85), it is a plurality of injection pipe (86) are connected to in jet orifice (88) at sectorial shell (87) top, connecting block (84) are connected to the shell (87) other end, and are a plurality of it is fixed through support (89) between injection pipe (86), support (89) are fixed on the inner wall of shell (87).

3. A high precision spray gun according to claim 1, wherein: rotating assembly (10) include hollow first connecting block (11) and second connecting block (12), first connecting block (11) one end screwed connection adds pressurized line (81), second connecting block (12) one end screwed connection nozzle, the cover has assorted go-between (13) with it on first connecting block (11), be equipped with buffer beam (14) on go-between (13), be equipped with hydraulic stem (15) on buffer beam (14), hydraulic stem (15) other end is connected on hollow rotating head (16), rotating head (16) are connected first connecting block (11) and second connecting block (12) respectively.

4. A high precision spray gun according to claim 1, wherein: fixed subassembly (9) are including solid fixed ring (91), gu fixed ring (91) is fixed on assorted hybrid chamber (7) with it, gu fixed ring (91) inboard is equipped with sealing washer (92), gu be equipped with a plurality of connecting rods (93) on fixed ring (91), it is a plurality of the central point of connecting rod (93) puts and the top all is equipped with looks vertically dead lever (94) with it, dead lever (94) both ends are equipped with regulation hoop (95), it fixes on forcing pipe (81) to adjust hoop (95), and is a plurality of be equipped with damping spring (96) on connecting rod (93) and dead lever (94).