A spray gun control mechanism and spray gun

By designing a motor-driven mechanical mechanism on the manual spray gun, the trigger control problem of the manual spray gun in the automatic spraying of industrial robots was solved, realizing the automated application of the manual spray gun, reducing costs and improving safety.

CN224486368UActive Publication Date: 2026-07-14QINGNENG PRECISION CONTROL ROBOT TECH (FOSHAN) CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
QINGNENG PRECISION CONTROL ROBOT TECH (FOSHAN) CO LTD
Filing Date
2025-07-28
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

When existing manual spray guns are used for automatic spraying with industrial robots, the degree of trigger depressing is difficult to control, resulting in high costs and making it difficult to replace automatic spray guns.

Method used

Design a spray gun control mechanism that uses a motor-driven mechanical mechanism and a screw mechanism to automatically control the spray gun trigger, thereby reducing costs and enabling manual spray guns to be used in automated spraying equipment for industrial robots.

Benefits of technology

It enables automatic control of the manual spray gun trigger, reduces operating costs, and can replace automatic spray guns in certain situations, improving operational flexibility and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a spray gun control mechanism, including clamping part, the clamping part is used for clamping spray gun, motor control part is used for extruding or loosening the spanner of spray gun, the motor control part is installed in one side of clamping part. The spray gun control mechanism passes through the design of adding a set of mechanical mechanism driven by motor on the manual spray gun to make the trigger of manual spray gun to be able to automatic control the depth of pressing, thereby making manual spray gun can be applied to industrial robot automatic spraying equipment, can replace automatic spray gun on some use occasions, thereby reducing the use cost.
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Description

Technical Field

[0001] This utility model relates to the field of spray gun control, and in particular to a spray gun control mechanism and a spray gun. Background Technology

[0002] In manufacturing, coating is a crucial step, enhancing not only the appearance of products but also their weather resistance, corrosion resistance, and UV resistance. Coating processes in manufacturing are mainly divided into automated spraying using industrial robots and traditional manual spraying.

[0003] Industrial robot automated spraying employs advanced spraying technology and a precise control system, ensuring uniform coating thickness, eliminating missed areas, and providing stable and reliable coating quality. Furthermore, industrial robot spraying enables automated and continuous production, significantly improving efficiency and shortening production cycles. It can also be programmed to meet the spraying needs of different products, offering strong adaptability and high flexibility. Automated industrial robot spraying also reduces worker exposure to harmful coatings, lowering occupational disease risks, making operation safer, and minimizing accidents caused by human error. Traditional manual spraying is manually operated, requiring operators to hold spray guns. This method is not only time-consuming and labor-intensive but also makes it difficult to guarantee coating quality and uniformity, posing safety hazards and emission issues. With the continuous development of science and technology, automated robot spraying is gradually replacing manual spraying, becoming an important means of modern industrial intelligence.

[0004] Industrial robot automated spraying and traditional manual spraying use two different types of spray guns with different principles, structures, and operating methods: automatic spray guns and handheld spray guns. Automatic spray guns operate without human intervention, controlled by a control cabinet, and are generally suitable for automated coating lines or robotic arms. Handheld spray guns, on the other hand, require constant human operation; they are held by hand. Key points for operating a handheld spray gun include: spray gun movement speed, trigger control, gun distance, and grip posture. The paint flow rate of a handheld spray gun is controlled by the trigger; the deeper the trigger is pulled, the greater the paint flow.

[0005] Automated spraying for industrial robots requires automatic spray guns. Commercially available automatic spray guns are relatively expensive compared to manual spray guns and require components such as proportional valves to control paint flow, resulting in higher costs. Manual spray guns require manual control of the trigger's pressure, making them difficult to apply to automated industrial robot spraying. The challenge lies in controlling the trigger's pressure, as there is no readily available actuator to achieve this. Utility Model Content

[0006] This utility model provides a spray gun control mechanism and a spray gun, aiming to solve at least one of the technical problems existing in the prior art.

[0007] The technical solution of this utility model is a spray gun control mechanism, comprising:

[0008] Clamping part, the clamping part being used to clamp the spray gun;

[0009] A motor control unit, a wrench for squeezing or releasing the spray gun, is mounted on one side of the clamping unit.

[0010] Furthermore, the clamping part includes a first clamping plate, a second clamping plate perpendicularly connected to the first clamping plate, and a third clamping plate connected to the first clamping plate via a connecting post.

[0011] The control handle portion of the spray gun is fixed between the first clamping plate and the third clamping plate.

[0012] Furthermore, the top of the first clamping plate is provided with a first pin and a second pin for fixing the top of the spray gun, the rear of the first clamping plate is provided with a third pin for fixing the rear of the spray gun, and the front end of the first clamping plate is provided with a fourth pin for fixing the end of the spray gun handle.

[0013] Furthermore, a first connecting post, a second connecting post, a third connecting post, and a fourth connecting post for fixing the spray gun handle are provided between the second clamping plate and the third clamping plate.

[0014] Furthermore, the motor control unit includes a motor and a lead screw mechanism mounted on the first clamping plate.

[0015] One end of the lead screw mechanism is fixed to the output of the motor, and the other end of the lead screw mechanism is mounted on the spray gun trigger.

[0016] Furthermore, the lead screw mechanism includes a lead screw and an operating handle, one end of which is connected to the end of the lead screw, and the other end of which is mounted on the spray gun trigger.

[0017] When the motor is rotated under control, the lead screw moves linearly, and the operating handle set on the lead screw moves accordingly, thereby squeezing or releasing the wrench of the spray gun.

[0018] Furthermore, the motor is a through-type motor.

[0019] Furthermore, the other end of the lead screw passes vertically through the second clamping plate.

[0020] Furthermore, it also includes a host computer, which is electrically connected to the motor control unit.

[0021] Furthermore, this utility model also proposes a spray gun, including the aforementioned spray gun control mechanism.

[0022] The beneficial effects of this utility model are as follows: the spray gun control mechanism, by adding a motor-driven mechanical mechanism to the manual spray gun, enables the trigger of the manual spray gun to automatically control the depth of the press, thus allowing the manual spray gun to be applied to industrial robot automatic spraying equipment. In some applications, it can replace the automatic spray gun, thereby reducing operating costs. A through-type motor provides rotational power, and a lead screw mechanism is installed on the motor rotor. When the motor rotor rotates, it drives the lead screw to move back and forth, realizing the control of the press depth of the spray gun trigger. A simple external mechanism is set to prevent the lead screw from rotating with the motor rotor; if the lead screw rotates, it cannot move back and forth. Attached Figure Description

[0023] Figure 1 This is a perspective view of one side of the spray gun control mechanism according to an embodiment of the present invention.

[0024] Figure 2 This is a perspective view of the other side of the spray gun control mechanism according to an embodiment of the present utility model.

[0025] Figure 3 This is a three-dimensional schematic diagram of the spray gun control mechanism (with the spray gun hidden) according to an embodiment of the present invention.

[0026] In the above figures, 100 is the clamping part; 110 is the first clamping plate; 111 is the first pin; 112 is the second pin; 113 is the third pin; 114 is the fourth pin; 120 is the second clamping plate; 121 is the first connecting post; 122 is the second connecting post; 123 is the third connecting post; 124 is the fourth connecting post; 130 is the third clamping plate; 200 is the motor control part; 210 is the motor; 220 is the lead screw mechanism; 221 is the lead screw; 222 is the operating handle; and 300 is the spray gun. Detailed Implementation

[0027] The following will provide a clear and complete description of the concept, specific structure, and technical effects of this utility model in conjunction with the embodiments and accompanying drawings, so as to fully understand the purpose, solution, and effects of this utility model. It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other.

[0028] It should be noted that, unless otherwise specified, when a feature is referred to as "fixed" or "connected" to another feature, it can be directly fixed or connected to the other feature, or it can be indirectly fixed or connected to the other feature. Furthermore, the descriptions of "upper," "lower," "left," "right," "top," and "bottom" used in this utility model are only relative to the relative positional relationships of the various components of this utility model in the accompanying drawings.

[0029] Furthermore, unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and not for limiting the scope of the invention. The term "and / or" as used herein includes any combination of one or more of the associated listed items.

[0030] It should be understood that although the terms first, second, third, etc., may be used in this disclosure to describe various elements, these elements should not be limited to these terms. These terms are only used to distinguish elements of the same type from one another. For example, without departing from the scope of this disclosure, a first element may also be referred to as a second element, and similarly, a second element may also be referred to as a first element.

[0031] Reference Figures 1 to 3 In some embodiments, a spray gun control mechanism according to the present invention includes:

[0032] Clamping part 100, the clamping part 100 is used to clamp the spray gun 300;

[0033] A motor control unit 200 is used to squeeze or release a wrench on the spray gun 300, and the motor control unit 200 is mounted on one side of the clamping part 100.

[0034] The beneficial effects of this utility model are as follows: the spray gun control mechanism, by adding a mechanical mechanism driven by a motor 210 to the manual spray gun 300, enables the trigger of the manual spray gun 300 to automatically control the depth of the press, thus allowing the manual spray gun 300 to be applied to industrial robot automatic spraying equipment. In some applications, it can replace the automatic spray gun 300, thereby reducing the cost of use. A through-type motor 210 provides rotational power, and a lead screw mechanism 220 is installed on the rotor of the motor 210. When the rotor of the motor 210 rotates, it drives the lead screw 221 to move back and forth, thereby controlling the pressing depth of the spray gun 300 trigger. An external simple mechanism is set to prevent the lead screw 221 from rotating with the rotor of the motor 210; if the lead screw 221 rotates, it cannot move back and forth.

[0035] Furthermore, refer to Figures 1 to 3 The clamping part 100 includes a first clamping plate 110, a second clamping plate 120 perpendicularly connected to the first clamping plate 110, and a third clamping plate 130 connected to the first clamping plate 110 via a connecting post.

[0036] The control handle portion of the spray gun 300 is fixed between the first clamping plate 110 and the third clamping plate 130.

[0037] Furthermore, refer to Figures 1 to 3The first clamping plate 110 is provided with a first pin 111 and a second pin 112 for fixing the top of the spray gun 300, a third pin 113 for fixing the rear of the spray gun 300, and a fourth pin 114 for fixing the end of the handle of the spray gun 300 at the front end of the first clamping plate 110.

[0038] Furthermore, refer to Figures 1 to 3 A first connecting post 121, a second connecting post 122, a third connecting post 123, and a fourth connecting post 124 for fixing the handle of the spray gun 300 are provided between the second clamping plate 120 and the third clamping plate 130.

[0039] Furthermore, refer to Figures 1 to 3 The motor control unit 200 includes a motor 210 and a lead screw mechanism 220 mounted on the first clamping plate 110.

[0040] One end of the lead screw mechanism 220 is fixed to the output of the motor 210, and the other end of the lead screw mechanism 220 is mounted on the trigger of the spray gun 300.

[0041] Specifically, there is no need to provide an additional speed reducer, as the lead screw 221 naturally acts as a speed reducer. Therefore, a small-sized, low-power motor 210 can provide the torque for pressing the trigger.

[0042] Furthermore, refer to Figures 1 to 3 The lead screw mechanism 220 includes a lead screw 221 and an operating handle 222. One end of the operating handle 222 is connected to the end of the lead screw 221, and the other end of the operating handle 222 is mounted on the trigger of the spray gun 300.

[0043] When the motor 210 is rotated under control, the lead screw 221 moves linearly, and the operating handle 222 set on the lead screw 221 moves accordingly, thereby squeezing or releasing the wrench of the spray gun 300.

[0044] Furthermore, refer to Figures 1 to 3 The motor 210 is a through-type motor 210.

[0045] Specifically, the through-type motor 210 plus the lead screw 221 has a compact structure, small size, and few parts, so it will naturally not get stuck.

[0046] Furthermore, refer to Figures 1 to 3 The other end of the lead screw 221 passes vertically through the second clamping plate 120.

[0047] Furthermore, refer to Figures 1 to 3 It also includes a host computer, which is electrically connected to the motor control unit 200.

[0048] Furthermore, refer to Figures 1 to 3 This utility model also proposes a spray gun 300, including the aforementioned spray gun control mechanism.

[0049] The above description is merely a preferred embodiment of this utility model. This utility model is not limited to the above-described embodiments. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this disclosure, as long as they achieve the same technical effect, should be included within the scope of protection of this disclosure and fall under the protection scope of this utility model. Within the protection scope of this utility model, the technical solutions and / or implementation methods can have various modifications and variations.

Claims

1. A spray gun control mechanism, characterized in that, include: Clamping part (100) is used to clamp the spray gun (300). A motor control unit (200) is provided for squeezing or releasing a wrench on the spray gun (300), and the motor control unit (200) is mounted on one side of the clamping part (100).

2. The spray gun control mechanism according to claim 1, characterized in that, The clamping part (100) includes a first clamping plate (110), a second clamping plate (120) perpendicularly connected to the first clamping plate (110), and a third clamping plate (130) connected to the first clamping plate (110) via a connecting post. The control handle portion for fixing the spray gun (300) is located between the first clamping plate (110) and the third clamping plate (130).

3. The spray gun control mechanism according to claim 2, characterized in that, The top of the first clamping plate (110) is provided with a first pin (111) and a second pin (112) for fixing the top of the spray gun (300), the rear part of the first clamping plate (110) is provided with a third pin (113) for fixing the rear part of the spray gun (300), and the front end of the first clamping plate (110) is provided with a fourth pin (114) for fixing the end of the handle of the spray gun (300).

4. The spray gun control mechanism according to claim 2, characterized in that, A first connecting post (121), a second connecting post (122), a third connecting post (123) and a fourth connecting post (124) for fixing the handle of the spray gun (300) are provided between the second clamping plate (120) and the third clamping plate (130).

5. The spray gun control mechanism according to claim 1, characterized in that, The motor control unit (200) includes a motor (210) and a lead screw mechanism (220) mounted on the first clamping plate (110). One end of the lead screw mechanism (220) is fixed to the output of the motor (210), and the other end of the lead screw mechanism (220) is mounted on the trigger of the spray gun (300).

6. The spray gun control mechanism according to claim 5, characterized in that, The lead screw mechanism (220) includes a lead screw (221) and an operating handle (222). One end of the operating handle (222) is connected to the end of the lead screw (221), and the other end of the operating handle (222) is mounted on the trigger of the spray gun (300). When the motor (210) is rotated in a controlled manner, the lead screw (221) moves linearly, and the operating handle (222) set on the lead screw (221) moves accordingly, thereby squeezing or releasing the wrench of the spray gun (300).

7. The spray gun control mechanism according to claim 5, characterized in that, The motor (210) is a through-type motor (210).

8. The spray gun control mechanism according to claim 5, characterized in that, The other end of the lead screw (221) passes vertically through the second clamping plate (120).

9. The spray gun control mechanism according to claim 1, characterized in that, It also includes a host computer, which is electrically connected to the motor control unit (200).

10. A spray gun, characterized in that, Includes the spray gun control mechanism as described in any one of claims 1 to 9.