Spray gun mechanism capable of controlling spraying amount at high precision

Abstract

The utility model discloses a spray gun mechanism capable of controlling spray quantity with high precision, and belongs to the technical field of spray gun mechanisms, a spray gun main body is provided with a spray head used for spraying, the spray head is provided with a control extrusion piece in a pressurized manner, one side of the spray head is provided with a servo fixing seat, one side of the servo fixing seat is provided with a pulling groove, and one side of the pulling groove is provided with a servo motor; a steel wire wheel is installed in the pulling groove, a connecting steel wire rope is wound on the steel wire wheel, a gun handle connecting piece is installed at the outer end of the connecting steel wire rope, the outer end of the gun handle connecting piece is fixedly connected with a control extrusion piece, the steel wire wheel is driven to rotate through rotation of a servo motor, and the connecting steel wire rope is wound and released in the rotating process of the steel wire wheel; in the process of winding and unwinding the connecting steel wire rope, the control extrusion part is wound and unwound through the gun handle connecting part and the connecting steel wire rope, the function of controlling the extrusion part is achieved, and compared with a traditional flow control valve, the cost is lower, control lag does not exist, and the function of controlling the spraying amount in real time is achieved.

Description

Technical Field

[0001] The utility model relates to a spray gun mechanism for controlling spraying amount with high precision, belonging to the technical field of spray gun mechanisms. Background Art

[0002] For example, the application number: CN115703095A discloses a spray gun mechanism, a roller coating device and a mobile roller coating equipment, the spray gun mechanism includes: a base body, forming a first paint channel; a nozzle, connected to the base body and communicated with one end of the first paint channel; a cleaning head, arranged on the base body and connected to an air source, the cleaning head is located in the paint channel, the cleaning head and the inner wall of the paint channel have a gap allowing paint to pass through, the cleaning head is provided with an air jet on the side facing the nozzle, the air jet is used to spray air into the nozzle to clear the blockage on the nozzle, the technical solution can clean the nozzle by the cleaning head to prevent the nozzle from being blocked, and can dredge the nozzle from the inside to the outside after the nozzle is blocked, thereby solving the problem that the nozzle of the spray gun in the prior art is inconvenient to clean and effectively alleviating the blockage of the nozzle.

[0003] Based on the search and analysis, we concluded that the existing technology still has shortcomings:

[0004] The existing technology cannot realize the convenient real-time adjustment of the flow rate of the spray gun, and requires manual pressing of the extrusion piece of the spray gun. Therefore, a spray gun mechanism for high-precision control of the spray volume is needed to improve the above-mentioned shortcomings. Utility Model Content

[0005] The main purpose of the utility model is to provide a spray gun mechanism for controlling the spraying amount with high precision.

[0006] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0007] A spray gun mechanism for controlling spraying amount with high precision comprises a spray gun body for spraying, a spray head is installed at the outer end of the spray gun body, and the spray gun body is operated by a control extrusion member;

[0008] A servo fixing seat for assembly connection is installed on one side of the spray gun body, a pulling groove is opened on one side of the servo fixing seat, a wire wheel is installed in the pulling groove, a servo motor for driving the wire wheel is installed on one side of the pulling groove, a connecting wire rope is wound around the wire wheel, a gun handle connecting piece is installed on the outer end of the connecting wire rope, and the gun handle connecting piece is pulled and connected to the control extrusion piece.

[0009] Preferably, a power connection piece for conducting electricity is installed on the spray gun body.

[0010] Preferably, the wire wheel pulls the connecting wire rope and controls the extrusion piece to be extruded and connected.

[0011] Preferably, the servo fixing seat and the servo motor are detachably connected to the spray gun body.

[0012] Preferably, the control extrusion piece is pivotally connected along the spray gun body.

[0013] Preferably, the wire wheel drives the connecting wire rope to tighten or loosen.

[0014] Beneficial technical effects of the utility model:

[0015] The utility model provides a spray gun mechanism for controlling spray volume with high precision, the spray gun body is a spray gun body structure, a spray head for spraying is installed on the spray gun body, a control extrusion piece is pressurized and installed on the spray head, a servo fixing seat is installed on one side of the spray head, a pulling groove is opened on one side of the servo fixing seat, a servo motor is installed on one side of the pulling groove, a wire wheel is installed in the pulling groove, a connecting wire rope is wound on the wire wheel, a gun handle connecting piece is installed on the outer end of the connecting wire rope, the outer end of the gun handle connecting piece is fixedly connected to the control extrusion piece, the wire wheel is driven to rotate by the rotation of the servo motor, the connecting wire rope is retracted and released during the rotation of the wire wheel, and the control extrusion piece is retracted and released through the gun handle connecting piece and the connecting wire rope during the process of retracting and releasing the connecting wire rope, so as to achieve the function of the control extrusion piece, which has lower cost than the traditional flow control valve, has no control lag, and realizes the function of real-time control of the spray volume. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall three-dimensional structure of a preferred embodiment of a spray gun mechanism for controlling spray volume with high precision according to the utility model;

[0017] Figure 2 It is a side view of the overall three-dimensional structure of a preferred embodiment of a spray gun mechanism for controlling spray volume with high precision according to the utility model;

[0018] Figure 3 A top view of the overall three-dimensional structure of a preferred embodiment of a spray gun mechanism for controlling spray volume with high precision according to the utility model;

[0019] Figure 4 The utility model is a front view of the overall three-dimensional structure of a preferred embodiment of a spray gun mechanism for high-precision spray volume control according to the present invention.

[0020] In the figure: 1. Spray nozzle; 2. Gun handle connector; 3. Servo fixing seat; 4. Connecting wire rope; 5. Wire wheel; 6. Servo motor; 7. Control extrusion part; 8. Electrical connection part; 9. Pulling groove; 10. Spray gun body. DETAILED DESCRIPTION

[0021] In order to make the technical solution of the present invention more clear and specific to those skilled in the art, the present invention is further described in detail below in conjunction with embodiments and drawings, but the implementation methods of the present invention are not limited thereto.

[0022] like Figure 1 - Figure 4 As shown, the present embodiment provides a spray gun mechanism for controlling the spraying amount with high precision, comprising a spray gun body 10 for spraying, a spray head 1 being mounted on the outer end of the spray gun body 10, and the spray gun body 10 being operated by a control extrusion member 7;

[0023] A servo fixing seat 3 for assembly connection is installed on one side of the spray gun body 10, a pulling groove 9 is opened on one side of the servo fixing seat 3, a wire wheel 5 is installed in the pulling groove 9, a servo motor 6 for driving the wire wheel 5 is installed on one side of the pulling groove 9, a connecting wire rope 4 is wound around the wire wheel 5, a gun handle connecting piece 2 is installed on the outer end of the connecting wire rope 4, and the gun handle connecting piece 2 is pulled and connected with the control extrusion piece 7.

[0024] A power connection piece 8 for conducting electricity is mounted on the spray gun body 10 .

[0025] The wire wheel 5 pulls the connecting wire rope 4 and controls the extrusion piece 7 to be extruded and connected.

[0026] The servo fixing seat 3 and the servo motor 6 are detachably connected to the spray gun body 10 .

[0027] The control extrusion piece 7 is pivotally connected along the spray gun body 10 .

[0028] The wire wheel 5 drives the connecting wire rope 4 to tighten or loosen.

[0029] like Figure 1 - Figure 4 As shown, the working process of a spray gun mechanism for high-precision spray volume control provided by the present embodiment is as follows: the wire wheel 5 is driven to rotate by the rotation of the servo motor 6, and the connecting wire rope 4 is retracted and released during the rotation of the wire wheel 5. During the process of retracting and releasing the connecting wire rope 4, the control extrusion member 7 is retracted and released through the gun handle connecting member 2 and the connecting wire rope 4, thereby achieving the function of controlling the extrusion member 7 and spraying through the nozzle 1.

[0030] Example

[0031] 1- Figure 4As shown, the spray gun body 10 is a spray gun body structure, and a spray head 1 for spraying is installed on the spray gun body 10, and a control extrusion piece 7 is pressurized and installed on the spray head 1, and a servo fixing seat 3 is installed on one side of the spray head 1, and a pulling groove 9 is opened on one side of the servo fixing seat 3, and a servo motor 6 is installed on one side of the pulling groove 9, and a wire wheel 5 is installed in the pulling groove 9, and a connecting wire rope 4 is wound around the wire wheel 5, and a gun handle connecting piece 2 is installed on the outer end of the connecting wire rope 4, and the outer end of the gun handle connecting piece 2 is fixedly connected to the control extrusion piece 7, and the wire wheel 5 is driven to rotate by the rotation of the servo motor 6, and the connecting wire rope 4 is retracted and released during the rotation of the wire wheel 5, and the control extrusion piece 7 is retracted and released through the gun handle connecting piece 2 and the connecting wire rope 4 during the process of retracting and releasing the connecting wire rope 4, so as to achieve the function of the control extrusion piece 7, which has lower cost than the traditional flow control valve, has no control lag, and realizes the function of real-time control of the injection amount.

[0032] The above is only a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the scope disclosed by the present invention according to the technical solution and concept of the present invention, which fall within the protection scope of the present invention.

Claims

1. A spray gun mechanism for controlling spraying amount with high precision, comprising a spray gun body (10) for spraying, a spray head (1) being mounted on the outer end of the spray gun body (10), and the spray gun body (10) being operated by a control extrusion member (7); Features: A servo fixing seat (3) for assembly connection is installed on one side of the spray gun body (10), a pulling groove (9) is opened on one side of the servo fixing seat (3), a wire wheel (5) is installed in the pulling groove (9), a servo motor (6) for driving the wire wheel (5) is installed on one side of the pulling groove (9), a connecting wire rope (4) is wound around the wire wheel (5), a gun handle connecting piece (2) is installed on the outer end of the connecting wire rope (4), and the gun handle connecting piece (2) is pulled and connected with the control extrusion piece (7).

2. A spray gun mechanism for controlling spray volume with high precision according to claim 1, characterized in that: A power connection piece (8) for conducting electricity is installed on the spray gun body (10).

3. A spray gun mechanism for controlling spray volume with high precision according to claim 2, characterized in that: The wire wheel (5) pulls the connecting wire rope (4) and controls the extrusion piece (7) to be extruded and connected.

4. A spray gun mechanism for controlling spray volume with high precision according to claim 3, characterized in that: The servo fixing seat (3) and the servo motor (6) are detachably connected to the spray gun body (10).

5. A spray gun mechanism for controlling spray volume with high precision according to claim 4, characterized in that: The control extrusion piece (7) is connected to the spray gun body (10) in a swinging manner.

6. A spray gun mechanism for controlling spray volume with high precision according to claim 5, characterized in that: The wire wheel (5) drives the connecting wire rope (4) to be tightened or loosened.

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