CN220444142U

CN220444142U - Floating ball switch mechanism and paint spraying device

Info

Publication number: CN220444142U
Application number: CN202321194676.XU
Authority: CN
Inventors: 刘敏
Original assignee: Sany Robot Technology Co Ltd
Current assignee: Sany Robot Technology Co Ltd
Priority date: 2023-05-17
Filing date: 2023-05-17
Publication date: 2024-02-06
Anticipated expiration: 2033-05-17

Abstract

The utility model relates to the technical field of paint spraying equipment, and provides a floating ball switch mechanism and a paint spraying device, wherein the floating ball switch mechanism comprises a container cover, a switch, a lever assembly, a floating ball and a sliding rod, the container cover comprises a first end face and a second end face, and the switch is arranged on the first end face; the lever assembly is arranged on the first end face, the first end of the rotating rod of the lever assembly corresponds to the switch, the floating assembly comprises a floating ball and a sliding rod, the sliding rod penetrates through the container cover, the sliding rod is connected with the container cover in a sliding mode along the axis direction of the sliding rod, the floating ball is arranged at the end portion, located on the second end face, of the sliding rod, the part, located on the first end face, of the sliding rod is provided with a pressing structure, and the pressing structure corresponds to the second end of the rotating rod; when the sliding rod moves along the direction from the first end face to the second end face, the pressing structure can be in contact with the second end of the rotating rod and drive the rotating rod to rotate, so that the first end of the rotating rod presses the switch; the start and stop control of the pneumatic paint supply pump is realized by adopting a pure mechanical mechanism and a switch.

Description

Floating ball switch mechanism and paint spraying device

Technical Field

The utility model relates to the technical field of paint spraying equipment, in particular to a floating ball switch mechanism and a paint spraying device.

Background

A paint spraying apparatus, also called a spray coating apparatus, is a coating apparatus that disperses paint into uniform and fine droplets by means of pressure or centrifugal force through a spray gun or a disk atomizer and applies the droplets to the outer surface of a workpiece to be coated.

In the coating and spraying industry, a pneumatic diaphragm pump or a pneumatic plunger pump is commonly used for conveying paint from a paint bucket to a spray gun or a paint proportioning system through a pipeline so as to realize the spraying operation of products. The pneumatic diaphragm pump or the pneumatic plunger pump relies on compressed air as power, so long as the compressed air is supplied, the pneumatic pump can always work in a reciprocating mode, and when the paint in the paint bucket is pumped out, the continuous operation of the pneumatic pump can accelerate the abrasion of a sealing structure of the pump, equipment is damaged, and production and use are affected.

In the air-defense device for the pneumatic pump, the operation data of the pump are analyzed through the data acquisition module, the processing module and the communication module, and when the air pumped by the pump is abnormal due to air-defense, the air source of the pump is cut off, so that the pneumatic pump is protected, but the device is complex in structure and high in cost, and the electronic module has high requirements on electrostatic protection of the paint, so that the application scene is limited.

Disclosure of Invention

The utility model provides a floating ball switch mechanism and a paint spraying device, which are used for solving the defects of complex anti-empty knotting structure and high cost of a pneumatic pump in the prior art.

In a first aspect, the present utility model provides a float switch mechanism comprising:

a container cover comprising a first end face and a second end face;

the switch is arranged on the first end face;

the lever assembly is arranged on the first end face, the first end of the rotating rod of the lever assembly corresponds to the switch, and the distance from the switch to the first end face is larger than the distance between the first end of the rotating rod and the first end face;

the floating assembly comprises a floating ball and a sliding rod, the sliding rod penetrates through the container cover, the sliding rod is in sliding connection with the container cover along the axis direction of the sliding rod, the floating ball is arranged at the end part of the sliding rod, which is positioned at one side of the second end face, the part of the sliding rod, which is positioned at one side of the first end face, is provided with a pressing structure, the pressing structure corresponds to the second end of the rotating rod, and the distance from the pressing structure to the first end face is greater than the distance from the second end of the rotating rod to the first end face; when the sliding rod moves along the direction from the first end face to the second end face, the pressing structure can be in contact with the second end of the rotating rod and drive the rotating rod to rotate, so that the first end of the rotating rod presses the switch.

According to the floating ball switch mechanism provided by the utility model, the lever assembly further comprises a supporting block, the supporting block is connected with the outer end face of the container cover, and the rotating rod is rotatably connected to the top of the supporting block.

According to the floating ball switch mechanism provided by the utility model, the first end surface of the container cover is also provided with the guide sleeve, and the sliding rod is arranged in the guide sleeve in a penetrating way and is connected with the guide sleeve in a sliding way.

According to the floating ball switch mechanism provided by the utility model, the pressing structure is a pressing block or a pressing rod connected to the surface of the sliding rod.

In a second aspect, the present utility model also provides a paint spraying apparatus, comprising:

a paint container;

the floating ball switch mechanism as described in the first aspect, wherein the container cover of the floating ball switch mechanism is connected to the paint container, the floating ball of the floating ball switch mechanism is located in the paint container, when the liquid level in the container drops, the sliding rod descends along with the floating ball, and the pressing structure can press the second end of the rotating rod, so that the first end of the lever assembly lifts to touch and open the switch;

the pneumatic paint supply pump is provided with a feed inlet and a discharge outlet, the feed inlet is communicated with the paint containing container through a feed pipe, and the discharge outlet is connected with a discharge pipe; the pneumatic paint supply pump is electrically connected with a switch of the floating ball switch mechanism.

According to the paint spraying device provided by the utility model, the pneumatic paint supply pump comprises an air inlet, the air inlet is connected with an air source through an air inlet pipe, the air inlet pipe is provided with a control valve, and the switch is electrically connected with the control valve.

The paint spraying device provided by the utility model further comprises a filtering device, and the filtering device is connected with the discharging pipe.

According to the paint spraying device provided by the utility model, the feeding hole and the feeding pipe are fixedly connected through the flange.

According to the paint spraying device provided by the utility model, the stirring motor is arranged on the container cover.

The paint spraying device provided by the utility model further comprises a movable base, and the pneumatic paint supply pump and the paint containing container are arranged on the movable base.

The utility model provides a floating ball switch mechanism which can be applied to a paint spraying device and comprises a container cover, a switch, a lever assembly, a floating ball and a sliding rod, wherein the switch and the lever assembly are arranged on a first end face of the container cover; the sliding rod penetrates through the container cover, the floating ball is arranged at the end part of the sliding rod, which is positioned at one side of the second end surface, and is used for floating on the liquid level in the paint container to support the sliding rod, the part of the sliding rod, which is positioned at one side of the first end surface, is provided with a pressing structure, the pressing structure corresponds to the second end of the rotating rod, and the distance from the pressing structure to the first end surface is greater than the distance from the second end of the rotating rod to the first end surface; when the sliding rod moves along the direction from the first end face to the second end face, the pressing structure can be in contact with the second end of the rotating rod and drive the rotating rod to rotate, so that the first end of the rotating rod touches the opening switch; the device is arranged in such a way, when the paint spraying operation is performed, the switch is electrically connected with the pneumatic paint spraying pump, and when the liquid level in the paint containing container is lowered to a preset liquid level, the floating ball is lowered together with the sliding rod, so that the pressing structure touches the switch, and the pneumatic paint spraying pump is closed; the scheme has the advantages of simple structure, low equipment cost investment and convenient implementation, realizes the start-stop control of the pneumatic paint supply pump by adopting the pure mechanical mechanism to cooperate with the switch, prevents the influence on the service life of the pneumatic paint supply pump because the pneumatic paint supply pump is empty-driven after paint in the container is pumped, reduces the cost without arranging electronic element equipment, easily realizes electrostatic isolation in an electrostatic spraying system, does not need a lengthy isolation device, and ensures the spraying quality.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a float switch mechanism according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a paint spraying apparatus according to an embodiment of the present utility model.

Reference numerals:

1. a container cover; 2. a switch; 3. a rotating rod; 4. a floating ball; 5. a slide bar; 6. a support block; 7. a pressing structure; 8. a paint container; 9. a stirring motor; 10. a movable base.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

A float switch mechanism and a paint spraying apparatus according to an embodiment of the present utility model will be described with reference to fig. 1 to 2.

The floating ball switch mechanism provided in this embodiment, as shown in fig. 1, includes: a container lid 1, a switch 2, a lever assembly and a float assembly.

The container cover 1 comprises a first end face and a second end face, the switch 2 is arranged on the first end face, and the switch 2 can be a key switch, a rocker switch or a contact switch which is started and closed in a touch pressing mode; the lever assembly is arranged on the first end face, the first end of the rotating rod 3 of the lever assembly corresponds to the switch 2, and the distance from the switch 2 to the first end face is greater than the distance between the first end of the rotating rod 3 and the first end face; that is, when the second end of the rotating lever 3 moves in a direction away from the second end face, the switch 2 can be touched to be turned on.

The floating assembly comprises a floating ball 4 and a sliding rod 5, the sliding rod 5 penetrates through the container cover 1, the sliding rod 5 is in sliding connection with the container cover 1 along the axis direction of the sliding rod, the floating ball 4 is arranged at the end part of the sliding rod 5, which is positioned at one side of the second end face, the part of the sliding rod 5, which is positioned at one side of the first end face, is provided with a pressing structure 7, the pressing structure 7 corresponds to the second end of the rotating rod 3, and the distance from the pressing structure 7 to the first end face is larger than the distance from the second end of the rotating rod 3 to the first end face; when the slide lever 5 moves in the direction from the first end face to the second end face, the pressing structure 7 is capable of contacting the second end of the rotating lever 3 and driving the rotating lever 3 to rotate, so that the first end of the rotating lever 3 presses the switch 2.

In this embodiment, the lever assembly still includes supporting shoe 6, and supporting shoe 6 is connected with the outer terminal surface of container lid 1, and the top of supporting shoe 6 sets up the pivot, and bull stick 3 sets up the shaft hole, establishes bull stick 3 cover in the pivot, realizes that bull stick 3 is connected with the rotation of supporting shoe 6. Of course, it is also possible to use a bracket, a support rod, or the like to support the rotating rod 3, and rotatably mount the rotating rod 3 on the container cover 1.

In some embodiments, the pressing structure 7 is a pressing block or a pressing rod sleeved on the surface of the sliding rod 5. The size of the press block should be such that it can touch and drive the second end of the rotating rod 3 to rotate around the rotation axis of the rotating rod 3 with the movement of the sliding rod 5. When the pressure lever is adopted, the pressure lever can be composed of two connecting rods which are angled with each other, for example, an L-shaped structure is adopted, one connecting rod is vertically connected with the sliding rod 5, the other connecting rod is vertical to the pressure lever, and the pressure lever can be conveniently driven to rotate relative to the pressing block.

Before the pressing structure 7 contacts the second end of the rotating rod 3, the pressing structure 7 is disposed at a distance from each other, and the pressing structure 7 can drive the rotating rod 3 to rotate only when the sliding rod 5 moves to the position where the pressing structure 7 contacts the rotating rod 3.

Further, a guide sleeve is further arranged on the first end face of the container cover 1, and the sliding rod 5 is arranged in the guide sleeve in a penetrating manner and is connected with the guide sleeve in a sliding manner. This arrangement ensures that the slide bar 5 always moves in the axial direction.

In some embodiments, a guide sleeve is positioned below the pressing structure 7, and is fixed to the container cover 1 at a position communicated with the sliding rod 5, and the sliding rod 5 passes through the guide sleeve to axially move in the guide sleeve. Or the guide sleeve is arranged above the pressing structure 7 by means of a connecting piece, such as a connecting frame.

The embodiment of the utility model also provides a paint spraying device, as shown in fig. 2, comprising: paint container 8, pneumatic paint supply pump and float switch mechanism.

Wherein paint splendid attire container 8 is the paint kettle, foretell floating ball switch mechanism's container lid 1 is connected on paint splendid attire container 8, the second terminal surface of container lid 1 is inside towards paint splendid attire container 8, floating ball switch mechanism's floater 4 is arranged in paint splendid attire container 8, float on the liquid level, and support slide bar 5, when the liquid level in the container descends, slide bar 5 descends along with floater 4, press structure 7 can push down the second end of bull stick 3, make the first end of bull stick 3 rise press switch 2.

The pneumatic paint supply pump is provided with a feed inlet and a discharge outlet, the feed inlet is communicated with the paint container 8 through a feed pipe, the discharge outlet is connected with a discharge pipe, and the pneumatic paint supply pump is electrically connected with the switch 2 of the floating ball switch mechanism.

Compared with the prior art, the utility model has the advantages that the lever assembly, the floating assembly and the switch 2 are arranged on the container cover 1, the floating ball 4 is utilized to drive the sliding rod 5 to descend along with the descent of the liquid level in the container, when the paint amount in the container is reduced to the preset capacity, the pressing structure 7 on the sliding rod 5 can touch the second end of the rotating rod 3 to drive the rotating rod 3 to rotate, so that the first end of the rotating rod 3 ascends to touch the switch 2, and the operation of the pneumatic paint supply pump is stopped; the scheme has the advantages of simple structure, low equipment cost investment and convenient implementation, realizes the start-stop control of the pneumatic paint supply pump by adopting the pure mechanical mechanism to cooperate with the switch 2, does not need to set electronic element equipment, reduces the cost, easily realizes electrostatic isolation in an electrostatic spraying system, does not need a lengthy isolation device, and ensures the spraying quality.

The feeding hole can be connected with the feeding pipe through a flange, and the discharging hole is also connected with the discharging pipe through a flange.

The pneumatic paint supply pump can be a diaphragm pump, and the working principle of the pneumatic paint supply pump is not described herein.

The working principle of the utility model is as follows:

before using, confirm the capacity of paint splendid attire container 8, floater 4 suspension makes the push structure 7 on the slide bar 5 be located bull stick 3 top on the liquid level, open pneumatic power supply lacquer pump in order to extract the paint in the paint splendid attire container 8 and be used for spraying work, carry out along with the spraying operation, the capacity in the paint splendid attire container 8 reduces gradually, when the liquid level descends to the position of predetermineeing, at this moment, push structure 7 and the second end contact of bull stick 3, the rotation of bull stick 3 is driven down, make the first end of bull stick 3 rise touch switch 2, thereby cut off the operation of pneumatic power supply lacquer pump, prevent to appear empty, damage pumping equipment.

In this embodiment, the pneumatic paint supply pump comprises an air inlet, the air inlet is connected with an air source through an air inlet pipe, the air inlet pipe is provided with a control valve, and the switch 2 is electrically connected with the control valve.

So set up, when the liquid level in the container descends, along with floater 4 descends, the second end of bull stick 3 can be pushed down to pressing structure 7 on the slide bar 5, makes the first end of bull stick 3 rise touch switch 2 to close the control valve, cut off the air feed to pneumatic paint supply pump, prevent that pneumatic paint supply pump from beating in the sky, protection equipment extension pneumatic paint supply pump's life.

In some embodiments, a filter device is also included, the filter device being connected to the tapping pipe. So set up, rethread second oil pipe flows to filter equipment in, under filter equipment's high accuracy filtration, with the impurity filtering in the paint, guarantee the high quality of spraying paint.

The container cover 1 is provided with a stirring motor 9, the stirring shaft extends into the paint container 8, and stirring blades are arranged on the stirring shaft to stir paint, so that the paint is uniform and the fluidity is improved through stirring.

In some embodiments, the paint container further comprises a movable base 10, wherein a plurality of universal wheels (not shown in the figure) are arranged at the bottom of the movable base 10, and the pneumatic paint supply pump and the paint container 8 are arranged on the movable base 10.

So set up, the accessible promotes movable base and realizes the position adjustment to pneumatic paint supply pump and paint splendid attire container 8, improves the adaptability of unit, simultaneously, with pneumatic paint supply pump and paint splendid attire container 8 integration together through movable base, improves space utilization.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A float switch mechanism, comprising:

a container lid (1) comprising a first end face and a second end face;

a switch (2) provided on the first end face;

the lever assembly is arranged on the first end face, the first end of a rotating rod (3) of the lever assembly corresponds to the switch (2), and the distance from the switch (2) to the first end face is larger than the distance between the first end of the rotating rod (3) and the first end face;

the floating assembly comprises a floating ball (4) and a sliding rod (5), wherein the sliding rod (5) penetrates through the container cover (1), the sliding rod (5) is connected with the container cover (1) in a sliding mode along the axis direction of the sliding rod, the floating ball (4) is arranged at the end portion, located on the second end face side, of the sliding rod (5), a pressing structure (7) is arranged at the portion, located on the first end face side, of the sliding rod (5), the pressing structure (7) corresponds to the second end of the rotating rod (3), and the distance from the pressing structure (7) to the first end face is larger than the distance from the second end of the rotating rod (3) to the first end face; when the sliding rod (5) moves along the direction from the first end face to the second end face, the pressing structure (7) can be in contact with the second end of the rotating rod (3) and drive the rotating rod (3) to rotate, so that the first end of the rotating rod (3) presses the switch (2).

2. The floating ball switch mechanism according to claim 1, wherein the lever assembly further comprises a supporting block (6), the supporting block (6) is connected with the outer end surface of the container cover (1), and the rotating rod (3) is rotatably connected to the top of the supporting block (6).

3. The float switch mechanism of claim 1, wherein the first end face of the container cover (1) is further provided with a guide sleeve, and the sliding rod (5) is inserted into the guide sleeve and slidably connected with the guide sleeve.

4. The float switch mechanism of claim 1, wherein said pressing structure (7) is a press block or a press rod connected to a surface of said slide rod (5).

5. A paint spraying apparatus, comprising:

a paint container (8);

the float switch mechanism according to any one of claims 1-4, wherein a container cover (1) of the float switch mechanism is connected to the paint containing container (8), a float (4) of the float switch mechanism is located in the paint containing container (8), when the liquid level in the container drops, the sliding rod (5) descends along with the float (4), and the pressing structure (7) can press the second end of the rotating rod (3) to enable the first end of the rotating rod (3) to lift and touch to open the switch (2);

the pneumatic paint supply pump is provided with a feed inlet and a discharge outlet, the feed inlet is communicated with the paint containing container (8) through a feed pipe, and the discharge outlet is connected with a discharge pipe; the pneumatic paint supply pump is electrically connected with a switch (2) of the floating ball switch mechanism.

6. The paint spraying apparatus as claimed in claim 5, wherein the pneumatic paint supply pump comprises an air inlet which is connected with an air source via an air inlet pipe, the air inlet pipe being provided with a control valve, the switch (2) being electrically connected with the control valve.

7. The spray painting device according to claim 5, further comprising a filter device connected to the discharge pipe.

8. The paint spraying apparatus of claim 5, wherein the feed port and the feed tube are fixedly connected by a flange.

9. Paint spraying apparatus according to claim 5, wherein the container cover (1) is provided with a stirring motor (9).

10. The paint spraying apparatus as claimed in claim 5, further comprising a movable base (10) on which the pneumatic paint supply pump and the paint containing container (8) are both disposed.