Servo spray gun adjusted by eccentric wheel

Abstract

The utility model discloses a servo spray gun adjusted by an eccentric wheel, which belongs to the technical field of servo spray guns and is characterized in that a servo motor is mounted on one side of a servo fixing seat, the eccentric wheel is mounted at the output end of the servo motor, a rotating shaft is sleeved on the eccentric wheel, a gun needle piston is mounted on one side of the spray gun, and a spray gun needle is mounted at the output end of the gun needle piston. The opening degree of the spray gun needle is adjusted through the eccentric wheel, and the spraying flow adjusting function is achieved. A gun needle of a traditional automatic spray gun is opened through compressed air, and an eccentric wheel is arranged behind the gun needle of the spray gun. Opening of the spray gun during ventilation is blocked, the servo motor rotates the eccentric wheel to rotate and displace, the opening amount of the spray gun is controlled, flow control over paint is achieved, and compared with a traditional flow control valve, the cost is lower, control lag does not exist, and the function of real-time control over the spraying amount is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of servo spray gun of eccentric wheel adjustment, belong to servo spray gun technical field. BACKGROUND

[0002] As the application No. 201310513542.4 discloses a spray gun that can circulate paint in the manifold without stopping the pump, and the spray gun body can be easily detached from the manifold. The spray gun is composed of a manifold and a spray gun body that is detachably mounted on the manifold. The manifold has a paint supply port and a paint discharge port. The spray gun includes: a paint flow path composed of a first flow path and a second flow path. The first flow path circulates paint in the spray gun through the paint supply port and the paint discharge port. The second flow path branches from the first flow path and sprays paint from the spray gun body. A cut-off mechanism cuts off the transfer of paint between the paint flow path formed on the manifold side and the paint flow path formed on the spray gun body side.

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

[0004] The existing technology has a complex structure and high cost, and is prone to be blocked during operation. Therefore, a servo spray gun with eccentric wheel adjustment is needed to improve the above shortcomings. INVENTION CONTENTS

[0005] The main purpose of the utility model is to provide a servo spray gun with eccentric wheel adjustment structure.

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

[0007] A servo spray gun with eccentric wheel adjustment, comprising a servo fixing seat for limiting, a spray gun is installed on one side of the servo fixing seat;

[0008] A servo motor is installed on one side of the servo fixing seat, an eccentric wheel is installed on the output end of the servo motor, a rotating shaft is provided on the eccentric wheel, a needle piston is installed on one side of the spray gun, and a spray gun needle is installed on the output end of the needle piston.

[0009] Preferably, the eccentric wheel is used in combination with the spray gun needle.

[0010] Preferably, the servo motor drives the eccentric wheel to rotate and is used in combination with the spray gun.

[0011] Preferably, the rotating shaft on the eccentric wheel pushes the needle piston and the spray gun needle to move.

[0012] Preferably, the spray gun is installed between the spray gun needle and the rotating shaft.

[0013] Preferably, the spray gun needle is driven by the needle piston.

[0014] The utility model discloses a beneficial technical effect:

[0015] The utility model provides a kind of servo spray gun using eccentric wheel adjustment, the opening degree of spray gun needle is adjusted by eccentric wheel, the function of adjusting injection flow is realized;

[0016] Traditional automatic spray gun opens spray gun needle by compressed air, an eccentric wheel is set behind spray gun needle;

[0017] Spray gun ventilation is blocked, and the opening amount of spray gun is realized by the rotation displacement of eccentric wheel rotated by servo motor, the flow control of coating is realized, and compared with the cost of traditional flow control valve, there is no control hysteresis, the function of injection amount real-time control is realized. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a preferred embodiment of the device whole three-dimensional structure schematic diagram according to the utility model of a kind of servo spray gun using eccentric wheel adjustment;

[0019] Figure 2 It is a preferred embodiment of the device whole three-dimensional structure schematic diagram according to the utility model of a kind of servo spray gun using eccentric wheel adjustment;

[0020] Figure 3 It is a preferred embodiment of the device whole three-dimensional structure schematic diagram according to the utility model of a kind of servo spray gun using eccentric wheel adjustment;

[0021] In the drawing: 1, servo motor;2, eccentric wheel;3, servo fixed seat;4, spray gun needle;5, spray gun;6, shaft;7, needle piston. DETAILED DESCRIPTION

[0022] To make the person skilled in the art more clear and definite the technical scheme of the utility model, the utility model is described in further detail below in conjunction with examples and drawings, but the implementation mode of the utility model is not limited to this.

[0023] As Figure 1 - Figure 3 The utility model provides a kind of servo spray gun using eccentric wheel adjustment, including the servo fixed seat 3 for limiting, the one side of servo fixed seat 3 is installed with spray gun 5;

[0024] The one side of servo fixed seat 3 is installed with servo motor 1, the output end of servo motor 1 is installed with eccentric wheel 2, eccentric wheel 2 is set with shaft 6, one side of spray gun 5 is installed with needle piston 7, and the output end of needle piston 7 is installed with spray gun needle 4.

[0025] Eccentric wheel 2 is used in conjunction with spray gun needle 4.

[0026] The servo motor 1 drives the eccentric wheel 2 to rotate and cooperate with the spray gun 5.

[0027] The rotating shaft 6 on the eccentric wheel 2 drives the needle piston 7 and the spray gun needle 4 to move.

[0028] The spray gun 5 is installed between the spray gun needle 4 and the rotating shaft 6.

[0029] The spray gun needle 4 is driven by the needle piston 7.

[0030] As shown in Figure 1 - Figure 3 The working process of the servo spray gun with eccentric wheel adjustment provided by the embodiment is as follows: the opening degree of the spray gun needle 4 is adjusted through the eccentric wheel 2, so that the function of adjusting the spraying flow is realized.

[0031] The traditional automatic spray gun opens the spray gun needle 4 through compressed air, and an eccentric wheel 2 is arranged behind the spray gun needle 4.

[0032] When the spray gun 5 is ventilated, the opening is blocked, the eccentric wheel 2 is rotated and displaced through the servo motor 1, so that the opening amount of the spray gun 5 is controlled, and the flow control of the paint is realized.

[0033] Embodiment

[0034] As shown in Figure 1 - Figure 3 The servo motor 1 is installed on one side of the servo fixed seat 3, the output end of the servo motor 1 is installed with the eccentric wheel 2, the eccentric wheel 2 is sleeved with the rotating shaft 6, the spray gun 5 is installed on one side of the servo fixed seat 3, the spray gun needle 4 is installed on the outside of the spray gun 5, and the spray gun needle 4 is installed on the needle piston 7.

[0035] The opening degree of the spray gun needle 4 is adjusted through the eccentric wheel 2, so that the function of adjusting the spraying flow is realized.

[0036] The traditional automatic spray gun opens the spray gun needle 4 through compressed air, and an eccentric wheel 2 is arranged behind the spray gun needle 4.

[0037] When the spray gun 5 is ventilated, the opening is blocked, the eccentric wheel 2 is rotated and displaced through the servo motor 1, so that the opening amount of the spray gun 5 is controlled, and the flow control of the paint is realized.

[0038] The above is only a further embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and concept of the present application within the scope disclosed by the present application, which belongs to the protection scope of the present application.

Claims

1. A servo gun with eccentric adjustment, comprising a servo fixing seat (3) for limiting, one side of the servo fixing seat (3) is provided with a gun (5); characterized in that One side of the servo fixing seat (3) is provided with a servo motor (1), the output end of the servo motor (1) is provided with an eccentric wheel (2), the eccentric wheel (2) is provided with a rotating shaft (6), one side of the gun (5) is provided with a needle piston (7), the output end of the needle piston (7) is provided with a gun needle (4).

2. A servo gun with eccentric adjustment according to claim 1, characterized in that: The eccentric wheel (2) is used in cooperation with the gun needle (4).

3. A servo gun with eccentric adjustment according to claim 2, characterized in that: The servo motor (1) drives the eccentric wheel (2) to rotate and is used in cooperation with the gun (5).

4. A servo gun with eccentric adjustment according to claim 3, characterized in that: The rotating shaft (6) on the eccentric wheel (2) drives the needle piston (7) and the gun needle (4) to move.

5. A servo gun employing an eccentric adjustment as defined in claim 4, wherein: The gun (5) is installed between the gun needle (4) and the rotating shaft (6).

6. A servo gun employing an eccentric adjustment as defined in claim 5, wherein: The gun needle (4) is driven by the needle piston (7).

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