Spray gun of spraying robot

By simplifying the nozzle and needle valve structure of the spray gun for the painting robot, making disassembly and replacement easier, the problem of complex maintenance of the spray gun for the painting robot is solved, reducing maintenance costs and time.

CN223747792UActive Publication Date: 2026-01-02CIMC CONTAINERS HLDG +2
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202423117632.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2026-01-02
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

The nozzles and needle valves of existing spray guns for painting robots are prone to clogging or wear, requiring specialized tools and skills for cleaning and replacement, resulting in long maintenance time and high costs.

Method used

A spray gun for a painting robot was designed. The nozzle and needle valve are easy to disassemble through a limiting bracket and limiting wing structure. The use of threaded connection and limiting wing design simplifies the cleaning and replacement process of the nozzle and needle valve.

Benefits of technology

This reduces maintenance downtime and costs for the spray guns of the painting robot, and improves the convenience and efficiency of maintenance.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223747792U_ABST
    Figure CN223747792U_ABST
Patent Text Reader

Abstract

The utility model discloses a spraying robot spray gun which comprises a spray gun body, a screw opening is formed in one end of the spray gun body, one end of the spray gun body is in threaded connection with a spray nozzle through the screw opening, the inner wall of the spray nozzle is fixedly connected with a limiting frame, and the interior of the spray nozzle is movably connected with a needle valve through the limiting frame. The outer side of the needle valve is fixedly connected with a limiting wing, the outer side of the spray gun body is fixedly connected with a gas path valve, one side of the gas path valve is fixedly connected with a switch connector, a gas supply connector and a feeding connector, a material storage cavity and a switch cavity are formed in the spray gun body, and a piston is movably connected in the switch cavity. One side of the piston is movably connected with a telescopic spring, the other end of the spray gun main body is in threaded connection with an adjusting cap, and the nozzle and the needle valve can be simultaneously detached to be cleaned and replaced, so that the nozzle and the needle valve are conveniently detached to be cleaned and replaced, and the downtime and the cost of maintenance are reduced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to spray gun technical field, concretely is a kind of spraying robot spray gun. BACKGROUND

[0002] Spraying robot is the industrial robot that can be automatically sprayed or sprayed other paint, spraying robot is more common in industrial production life, and spraying robot needs to use spray gun when carrying out spraying operation, and paint is evenly sprayed on article by spray gun.

[0003] The patent document with prior art announcement No.CN220195277U provides a kind of spraying robot spray gun, including workbench, the workbench upper end is equipped with two symmetrical mobile grooves, two mobile grooves are slidably connected with mobile frame, the mobile frame upper end is equipped with two symmetrical telescopic cylinders, two telescopic cylinders telescopic end terminal is commonly equipped with connecting plate, the connecting plate lower end is equipped with spray gun body, the connecting plate lower end is equipped with fixed plate, the fixed plate side wall is slidably connected with mobile plate, the mobile plate upper end is equipped with receiving groove, the receiving groove lower end is equipped with pipeline.The utility model makes the receiving groove at the mobile plate upper end be just below the spray gun body, paint remaining on spray gun body will drop in feed tank, then it is centrally collected by pipeline transportation, so that the device avoids paint drop on product, causes defect to product at the same time, and the paint that drops is centrally collected, reduces the waste of paint.

[0004] But the spraying robot spray gun of prior art has complex internal structure in use process, many precision components, such as nozzle, needle valve, are easy to block or wear, cleaning and replacing these components need professional tools and skills, and frequent maintenance will increase downtime and cost problem, for this, we propose a kind of spraying robot spray gun. UTILITY MODEL CONTENT

[0005] (One) technical problem solved

[0006] In view of the deficiencies of prior art, the utility model provides a kind of spraying robot spray gun to solve the problems in the background art.

[0007] (Two) technical scheme

[0008] In order to achieve the above object, the utility model discloses the following technical scheme to realize: a spraying robot spray gun, including spray gun main part, the one end of spray gun main part is provided with screw mouth, the one end of spray gun main part is connected with the nozzle of screw mouth thread, the inner wall of nozzle is fixedly connected with the limiting frame, the inside of nozzle is movably connected with needle valve through limiting frame, the outside of needle valve is fixedly connected with the limiting wing, the outside of spray gun main part is fixedly connected with the gas circuit valve, one side of gas circuit valve is fixedly connected with switch joint, gas supply joint and feed joint respectively, the inside of spray gun main part is provided with storage cavity and switch cavity respectively, the inside of switch cavity is movably connected with the piston, one side of piston is movably connected with telescopic spring, the other end of spray gun main part is connected with the adjusting cap of thread.

[0009] Preferably, the front of one end of the nozzle is provided with a spray port, and the outside of one end of the nozzle is fixedly connected with a spray wing.

[0010] Preferably, the inside of the gas circuit valve is provided with a gas supply cavity, a gas supply cavity and a feed cavity, respectively, the inside of the gas supply cavity is movably connected with an anti-backflow bead, and the gas supply cavity, the gas supply cavity and the feed cavity are respectively provided with a switch joint, a gas supply joint and a feed joint.

[0011] Preferably, the limiting wing is provided with two, and the two limiting wings are movably connected with the limiting frame.

[0012] Preferably, the outside of the piston is fixedly connected with a sealing ring, and the sealing ring is made of rubber material.

[0013] Preferably, the inside of the adjusting cap is movably connected with a limiting needle, and the outside of the limiting needle is movably connected with a return spring.

[0014] Preferably, the outside of one end of the nozzle and the needle valve is provided with a thread, and the needle valve is threadedly connected with the piston.

[0015] (Three) beneficial effects

[0016] The utility model provides a kind of spraying robot spray gun, with following beneficial effects:

[0017] (1), the spraying robot spray gun, in the use process, the staff installs the switch gas pipe and the feed pipe and the gas supply pipe respectively on the switch joint, the gas supply joint and the feed joint, and after installation, the gas enters the switch cavity through the switch joint and enters the switch cavity through the gas supply cavity, at this time the gas pushes the piston to move upward, and the piston will move to one side and compress the extension spring, at this time the piston drives the needle valve to separate from the nozzle, so as to open the nozzle, and then the paint enters through the feed joint and enters the storage cavity through the feed cavity, at the same time, the pressurized gas enters the gas supply cavity through the gas supply joint, and pushes the anti-backflow bead to make the gas enter the storage cavity, and the paint will be atomized and sprayed out of the nozzle, and when the nozzle and the needle valve are blocked or worn, the staff only needs to rotate the nozzle, the nozzle moves out of the screw port, at the same time, the nozzle is clamped by the limiting wing through the limiting frame and drives the needle valve to rotate, and the needle valve releases the piston, at this time the nozzle and the needle valve can be disassembled at the same time for cleaning and replacement, and when replacing, only the reverse order is needed, so it is convenient to disassemble the nozzle and the needle valve for cleaning and replacement, thereby reducing the downtime and cost of maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the overall structure schematic diagram of the utility model;

[0019] Figure 2 is the local structure schematic diagram of the nozzle of the utility model;

[0020] Figure 3 is the sectional view of the spray gun main body of the utility model;

[0021] Figure 4 is the local structure schematic diagram of the nozzle of the utility model.

[0022] In the drawing: 1, spray gun main body; 2, screw port; 3, nozzle; 301, spray wing; 302, limiting frame; 4, nozzle; 5, gas path valve; 6, switch joint; 601, gas supply cavity; 7, gas supply joint; 701, gas supply cavity; 702, anti-backflow bead; 8, feed joint; 801, feed cavity; 9, adjusting cap; 901, limiting needle; 902, reset spring; 10, needle valve; 11, limiting wing; 12, storage cavity; 13, switch cavity; 14, piston; 15, sealing ring; 16, extension spring. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] Please refer to Figures 1-4 The utility model provides a technical scheme: a spraying robot spray gun, including spray gun main body 1, the one end of spray gun main body 1 is equipped with screw mouth 2, the one end of spray gun main body 1 is connected with spray nozzle 3 through screw mouth 2, the inner wall of spray nozzle 3 is fixedly connected with limiting frame 302, the inside of spray nozzle 3 is movably connected with needle valve 10 through limiting frame 302, the outside of needle valve 10 is fixedly connected with limiting wing 11, the outside of spray gun main body 1 is fixedly connected with gas circuit valve 5, one side of gas circuit valve 5 is fixedly connected with switch joint 6, gas supply joint 7 and feed joint 8 respectively, the inside of spray gun main body 1 is equipped with storage cavity 12 and switch cavity 13 respectively, the inside of switch cavity 13 is movably connected with piston 14, one side of piston 14 is movably connected with telescopic spring 16, the other end of spray gun main body 1 is threadedly connected with adjusting cap 9.

[0025] Further, the front surface of one end of the spray nozzle 3 is provided with a spray port 4, and the outer side of one end of the spray nozzle 3 is fixedly connected with a spray wing 301. The paint can be atomized and sprayed on the surface of the object through the spray port 4.

[0026] Further, the inside of the gas circuit valve 5 is respectively provided with a gas delivery cavity 601, a gas supply cavity 701 and a feed cavity 801. The inside of the gas supply cavity 701 is movably connected with an anti-backflow bead 702. The gas delivery cavity 601, the gas supply cavity 701 and the feed cavity 801 are respectively arranged corresponding to the switch joint 6, the gas supply joint 7 and the feed joint 8. The gas and the paint can be delivered to the corresponding positions according to the needs through the gas delivery cavity 601, the gas supply cavity 701 and the feed cavity 801, so that the paint can be uniformly sprayed out.

[0027] Further, the limiting wing 11 is provided with two, and the two limiting wings 11 are movably connected with the limiting frame 302. The limiting wing 11 can drive the needle valve 10 to rotate through the limiting frame 302 during the rotation of the spray nozzle 3.

[0028] Further, the outside of the piston 14 is fixedly connected with a sealing ring 15, and the sealing ring 15 is made of rubber material. The piston 14 can be tightly sealed with the switch cavity 13 through the sealing ring 15.

[0029] Further, the inside of the adjusting cap 9 is movably connected with a limiting needle 901, and the outside of the limiting needle 901 is movably connected with a return spring 902. By rotating the adjusting cap 9 clockwise, the adjusting cap 9 approaches the spray gun main body 1, at this time, the adjusting cap 9 drives the limiting needle 901 to compress the return spring 902, and the limiting needle 901 enters the switch cavity 13, thereby limiting the position of the needle valve 10 from the spray port 4, and playing a role in adjusting the spraying size.

[0030] Further, the nozzle 3 and the outer side of one end of the needle valve 10 are provided with threads, and the needle valve 10 is threadedly connected with the piston 14, so that when the nozzle 3 drives the needle valve 10 to rotate, the needle valve 10 can be separated from the piston 14.

[0031] Working principle: after the utility model is installed, firstly, the installation and fixation and safety protection of the utility model are checked, in the use process, the staff installs the switch gas pipe, the feeding pipe and the gas feeding pipe on the switch joint 6, the gas feeding joint 7 and the feeding joint 8 respectively, and after installation, the gas enters the switch cavity 13 through the switch joint 6 and is sent into the switch cavity 13 through the gas feeding cavity 601, at this time, the gas pushes the piston 14 to move upwards, and the piston 14 will move to one side and compress the extension spring 16, at this time, the piston 14 drives the needle valve 10 to separate from the nozzle 4, so as to open the nozzle 4, then the paint enters the storage cavity 12 through the feeding joint 8 and the feeding cavity 801, and the pressurized gas enters the gas feeding cavity 701 through the gas feeding joint 7, and pushes the anti-backflow bead 702 to make the gas enter the storage cavity 12, and the paint will be atomized and sprayed out from the nozzle 4, and when the nozzle 3 and the needle valve 10 are blocked or worn, the staff only needs to rotate the nozzle 3, the nozzle 3 moves out of the screw hole 2, at the same time, the nozzle 3 is clamped by the limiting wing 11 through the limiting frame 302 and drives the needle valve 10 to rotate, and the needle valve 10 will loosen the piston 14, at this time, the nozzle 3 and the needle valve 10 can be disassembled simultaneously for cleaning and replacement, and when replacing, only the reverse order is needed, so the use process of the utility model is completed, and the utility model has the advantages of simple structure, safe and convenient use.

[0032] Although the embodiments of the utility model have been shown and described, it is to be understood that for the purpose of protection of principles and spirits of the utility model, various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

[0033] In the utility model, unless otherwise explicitly specified and limited, the terms such as ''installation'', ''connection'', ''fixation'' and the like should be understood in a broad sense, for example, can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection or communication with each other; can be directly connected, or indirectly connected through an intermediate medium, can be the communication or interaction relationship between two elements, unless otherwise explicitly limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0034] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments, and the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing specific embodiments, or equivalently replace some of the technical features. Any equivalent structure made by using the content of the present application specification and drawings, directly or indirectly used in other related technical fields, is also within the patent protection scope of the present application.

Claims

1. A spray robot gun, characterized by: Including the lance main part (1), the one end of lance main part (1) is provided with the screw mouth (2), the one end of lance main part (1) is connected with the nozzle (3) through screw mouth (2), the inner wall of nozzle (3) is fixedly connected with the limiting frame (302), the inside of nozzle (3) is movably connected with needle valve (10) through limiting frame (302), the outer side of needle valve (10) is fixedly connected with the limiting wing (11), the outer side of lance main part (1) is fixedly connected with the gas circuit valve (5), one side of gas circuit valve (5) is fixedly connected with switch joint (6), gas supply joint (7) and feed joint (8) respectively, the inside of lance main part (1) is provided with storage cavity (12) and switch cavity (13) respectively, the inside of switch cavity (13) is movably connected with piston (14), one side of piston (14) is movably connected with telescopic spring (16), the other end of lance main part (1) is connected with the adjusting cap (9).

2. A spray robot gun according to claim 1, characterized in that: The front surface position of one end of the nozzle (3) is provided with a nozzle (4), and the outer side of one end of the nozzle (3) is fixedly connected with a spray wing (301).

3. A spray robot gun according to claim 1, characterized in that: The inside of the gas circuit valve (5) is provided with a gas supply cavity (601), a gas supply cavity (701) and a feed cavity (801), the inside of the gas supply cavity (701) is movably connected with an anti-backflow bead (702), the gas supply cavity (601), the gas supply cavity (701) and the feed cavity (801) are respectively provided with switch joint (6), gas supply joint (7) and feed joint (8).

4. A spray robot gun according to claim 1, characterized in that: The limiting wing (11) is provided with two, two limiting wings (11) are movably connected with the limiting frame (302).

5. A spray robot gun according to claim 1, characterized in that: The outer side of the piston (14) is fixedly connected with a sealing ring (15), and the sealing ring (15) is made of rubber material.

6. A spray robot gun according to claim 1, characterized in that: The inside of the adjusting cap (9) is movably connected with a limiting needle (901), and the outer side of the limiting needle (901) is movably connected with a return spring (902).

7. A spray robot gun according to claim 1, characterized in that: The outer side of one end of the nozzle (3) and needle valve (10) is provided with a thread, and the needle valve (10) is threadedly connected with the piston (14).

Citation Information

Patent Citations

  • Spray gun of spraying robot

    CN220195277U