CN115025948A - Self-feeding brushing device and feeding box thereof - Google Patents

Abstract

The invention provides a self-feeding brushing device and a feeding box thereof, wherein the feeding box comprises a hopper, a pump, a buffer and a motor, the hopper is used for supplying coating to the pump, the motor can drive the pump to rotate, a stator and a rotor are arranged in the pump, the rotor is a screw rod, and the buffer is arranged between the pump and the motor. The screw pump is used for replacing a self-sucking pump to solve the pumping problem of high-viscosity coatings such as paint and glue. The buffer is arranged between the pump and the motor, so that the pump and the motor are in non-rigid connection, the instantaneous rotating speed difference of the motor during starting and stopping is reduced, the stable starting and stopping between the motor and the pump are ensured, and the problem of locked rotor caused by overlarge internal resistance of the pump can be avoided.

Description

Self-feeding brushing device and feeding box thereof

Technical Field

The invention belongs to the technical field of painting equipment, and particularly relates to a self-feeding painting device and a feeding box thereof.

Background

The construction process of the paint can be divided into two types of spraying and brushing, wherein the wall surface of a large building and the surface of large mechanical equipment are painted by adopting a brushing process, and the surface of a large fan power generation blade is painted by adopting a roller brush in the brushing process.

In order to improve the brushing efficiency and the brushing quality, a self-feeding roller brush has been developed in the prior art, for example, a novel self-feeding roller brush disclosed in chinese patent No. 201921724068.9, in which the roller brush is provided with an inner tube at a brush bristle core, the inner tube is connected to a feeding pump through a hose, and the self-feeding roller brush continuously feeds paint to the brush bristle part of the roller through the hose, so as to keep the brush bristle part constantly soaked with paint. However, the feeding device matched with the self-feeding roller brush directly matches the self-feeding pump purchased from the market with the paint bucket, so that the selected pump is small, low in power and limited in pumping capacity, and is convenient for carrying the paint bucket. In addition, the simple feeding device is often only suitable for narrow coatings such as emulsion paint, but is difficult to be applied to oil paint, AB glue and other coatings; the reason is that the pump body is easy to damage and difficult to clean after being used once due to the characteristics of corrosivity, high solidification speed, high viscosity and the like of paint, glue and the like.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a self-feeding brushing device and a feeding box thereof, which are used for solving the problem of feeding of paint and glue of a self-feeding roller brush.

According to an aspect of the embodiment of the present invention, there is provided a paint supply tank including a hopper for supplying paint to the pump, a buffer, and a motor capable of driving the pump to rotate, wherein the pump includes a stator and a rotor, the rotor is a screw, and the buffer is disposed between the pump and the motor. The screw pump is used for replacing a self-sucking pump to solve the pumping problem of high-viscosity coatings such as paint and glue. The buffer is arranged between the pump and the motor, so that the pump and the motor are in non-rigid connection, the instantaneous rotating speed difference of the motor during starting and stopping is reduced, the stable starting and stopping between the motor and the pump are ensured, and the problem of locked rotor caused by overlarge internal resistance of the pump can be avoided.

Optionally, the stator is made of rubber. The stator of the screw pump is made of rubber materials, so that the problem that the stator is corroded by pumping of a strong corrosive coating is solved, and the service life of the pump is prolonged.

Optionally, be equipped with the stirring propeller in the pump, the stirring propeller includes pivot, at least one stirring propulsion portion, casing, the pivot with the stirring propulsion portion is located the casing, at least one the stirring propulsion portion is fixed in the pivot, the one end of pivot with the input fixed connection of rotor, the other end of pivot with the buffer is connected. The stirring propeller is additionally arranged in the pump, so that the conveying capacity of the coating can be improved, and the pumping efficiency of the high-viscosity liquid can be improved.

Optionally, a feed inlet is provided on the housing.

Optionally, a speed reducer is further disposed on the paint supply tank, and the speed reducer is disposed between the motor and the buffer. The reducer is used for reducing the output rotating speed of the motor so as to enable the output rotating speed to be matched with the input rotating speed required by the pump.

Optionally, the pump is connected to the hopper through a feed pipe, the hopper is located above the pump, and the flow rate sensor is disposed on the feed pipe. Set up flow rate sensor and can accurate monitoring hopper material flow rate, adopt control on the one hand for providing the reference for control pumping speed, be favorable to controlling the supply volume of material.

Optionally, the flow velocity sensor is an air pressure sensor, the inlet pipe is provided with a branch pipe, the branch pipe is arranged obliquely upwards, and the air pressure sensor is connected to the upper end of the branch pipe. The air pressure sensed by the air pressure sensor is used for calculating the flow of the coating in the feeding pipe 11, the obtained flow is calculated accurately, and a flow signal can be stably transmitted to a control system. The air pressure is adopted to measure and calculate the flow velocity, non-contact measurement can be realized, and the corrosion or damage of the coating to the sensor is reduced to the maximum extent.

Optionally, a control system is further arranged on the material coating and feeding tank, the control system comprises a processor and a wireless transceiver module, and the control system is respectively connected with the air pressure sensor and the motor. Adopt air pressure sensor real-time supervision coating velocity of flow, control system is connected with air pressure sensor, for providing the reference for control pumping speed, also can pass through the rotational speed of control system control pump simultaneously, when monitoring the velocity of flow and be 0, control system automatic control motor is shut down, avoids damaging the pump because of screw pump idle running.

According to another aspect of the invention, a self-feeding painting device is further provided, which comprises the paint feeding tank and a self-feeding roller brush, wherein the self-feeding roller brush is connected with the feeding tank through a feeding pipe, the roller brush comprises a brush head and a handle, and the handle is communicated with the brush head.

Optionally, the painting device comprises a remote controller, and the remote controller is connected with the control system on the feeding tank through wireless signals. The control system is controlled by the remote controller, and the material feeding box is favorably controlled to feed materials in the use process of the brushing device.

Optionally, the remote control is provided on the self-feeding roller brush.

All parts are uniformly controlled by the control system, and meanwhile, the wireless transceiving module is integrated in the control panel, so that personnel can conveniently start and stop the feeding box or adjust the feeding speed of the feeding box in a remote control mode when the personnel normally stand to hold the roller brush, and the convenience of actual use is improved.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.

Drawings

FIG. 1 is a view showing the construction of a self-feeding coating apparatus according to the present invention;

FIG. 2 is a view of the feed tank of the present invention;

FIG. 3 is a partial view of the core components of the feed tank of the present invention;

FIG. 4 is a diagram illustrating a structure of a buffer according to the present invention;

FIG. 5 is a cross-sectional view of a bumper of the present invention;

FIG. 6 is a structural view of a screw pump according to the present invention with an additional stirring propeller;

figure 7 is a schematic view of a hopper in another embodiment of a supply tank of the present invention.

Reference numerals:

1-a hopper; 11-feed pipe; 2-a control panel; 3-a pump;

31-a quick-change connector; 32-a stator; 33-a rotor; 34-a universal joint;

35-intermediate shaft; 36-pump input shaft; 37-stirring propeller; 38-a buffer;

4-an air pressure sensor; 5-a battery; 6, a motor; 61-a reducer;

7-heat dissipation holes; 8-self-feeding roller brush; 81-telescopic pipe; 82-supply hose.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

In the description of the embodiments of the present application, the terms "upper", "lower", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present application.

In the description of the embodiments of the present application, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrated; mechanical connection or electrical connection is also possible; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the embodiments of the present application can be understood by those of ordinary skill in the art according to specific situations.

The existing self-feeding brushing device adopts a self-sucking pump and a paint bucket which are matched for use, and the pump is smaller, the power is lower and the pumping capacity is limited. And the pump body is difficult to be suitable for corrosive coatings with high solidification speed and high viscosity, such as oily paint, AB glue and the like, so that the pump body is easy to damage and difficult to clean after being used once.

In order to solve the problems, the invention provides a self-feeding brushing device and a feeding box thereof.

In a first aspect, referring to fig. 2 to 5, an embodiment of the present invention provides a paint supply tank, including a hopper 1, a pump 3, a buffer 38, and a motor 6, where the hopper 1 is configured to supply paint to the pump 3, the motor 6 is capable of driving the pump 3 to rotate, a stator 32 and a rotor 33 are disposed in the pump 3, the rotor is a screw, an input end of the rotor 33 is connected to a pump input shaft 36 through a connecting member, the pump input shaft 36 is driven by the motor 6 to rotate, and the buffer 38 is disposed between the pump 3 and the motor 6.

Optionally, the connection comprises a universal joint 34 and an intermediate shaft 35, the intermediate shaft 35 being connected at one end to the input of the rotor 33 via the universal joint 34 and at the other end to the pump input shaft 36 via the universal joint 34.

Alternatively, the rotor of the pump 3 and the rotating shaft of the motor 6 are arranged along a horizontal direction, and the pump 3 is arranged at the bottom of the hopper 1.

Optionally, a discharge port is further disposed on the pump 3, a quick-change connector 31 is disposed at an outlet of the pump 3, and the quick-change connector 31 is used for quickly plugging and unplugging an external supply hose.

Optionally, the pump 3 is one of a single screw type screw pump, a twin screw type screw pump, and a triple screw type screw pump.

Alternatively, referring to fig. 4 and 5, the buffer 38 enables a non-rigid connection between the pump 3 and the motor 6, and the buffer 38 is shown to include two rotating shafts, one rotating shaft is connected to the pump input shaft 36, the other rotating shaft is connected to the output shaft of the motor 6 (if the output end of the motor 6 is connected to the speed reducer 61, the other rotating shaft is connected to the output shaft of the speed reducer 61), and the two rotating shafts are connected through a nested structure. When the motor rotates, a certain amount of friction force is generated between the nested structures, the two rotating shafts are in friction transmission, and once the moment on one rotating shaft is too large (too large and too large maximum static friction force), the two rotating shafts slip, so that the phenomenon that one rotating shaft generates large rigid impact on the other rotating shaft can be avoided. The buffer 38 is utilized to reduce the rotational speed difference at the start-stop moment of the motor 6, so as to ensure the stable start-stop between the motor 6 and the pump 3, and simultaneously, the problem of the locked rotor of the motor 6 caused by the overlarge internal resistance of the pump 3 is also solved, and the internal structure of the buffer 38 belongs to the prior art, so the specific structure of the buffer 38 is not described herein.

In some embodiments, the stator 32 is made of rubber and the rotor is made of corrosion-resistant metal.

Optionally, the rubber may be epdm rubber or fluororubber, and the rotor 33 is made of corrosion-resistant metal, optionally stainless steel, preferably 304 stainless steel with chrome plated surface.

Referring to fig. 6, in some embodiments, a stirring propeller 37 is disposed in the pump 3, the stirring propeller 37 includes a rotating shaft and at least one stirring propulsion portion, the rotating shaft and the stirring propulsion portion are disposed in the pump housing, at least one of the stirring propulsion portions is fixed on the rotating shaft, one end of the rotating shaft is fixedly connected to a universal joint 34 far away from one end of the rotor 33, and the other end of the rotating shaft is connected to the pump input shaft 36. Through the rotation of stirring propeller 37, the effect of stirring and propelling to the front side of the fluid can be formed, so that the pumping requirement of the paint with high viscosity and high hardening speed, such as AB glue, can be met.

Alternatively, the stirring impelling part may be a helical blade.

Optionally, a feeding hole is formed in the pump housing, the feeding hole is located opposite to the stirring propeller 37, a feeding pipe is connected to the feeding hole, and paint can enter the stirring propeller 37 through the feeding pipe.

In some embodiments, a decelerator 61 is further disposed on the paint supply tank, and the decelerator 61 is disposed between the motor 6 and the buffer 38.

In some embodiments, the paint supply tank is further provided with a flow rate sensor, the pump 3 being connected to the hopper 1 via a feed pipe 11, the hopper being located above the pump, the flow rate sensor being provided on the feed pipe.

Alternatively, the flow rate sensor may be a contact sensor or a non-contact sensor.

Alternatively, referring to fig. 7, the hopper cross-section may also be circular.

In some embodiments, the flow rate sensor is an air pressure sensor 4, a branch pipe is arranged on the feeding pipe 11, the branch pipe is arranged obliquely upwards, and the air pressure sensor 4 is connected to the upper end of the branch pipe.

Alternatively, the branch may be a Y-branch.

In some embodiments, a control system is further disposed on the paint supply tank, and the control system includes a processor and a wireless transceiver module, and the control system is connected to the air pressure sensor 4 and the motor 6 respectively.

Alternatively, referring to fig. 2, the control system may be a control board 2 integrated with signal processing and transceiving functions, the air pressure sensor 4 and the motor 6 are both connected with the control board 2, and the control board 2 is disposed on one side of the feeding tank. The control panel 2 can control the motor 6 to rotate, and a processor and a wireless transceiving module are further arranged in the control panel 2.

Optionally, a display screen and corresponding control keys are arranged on the surface of the control panel 2.

In some embodiments, the heat dissipation holes 7 are formed on the protection plate of the feeding tank near the motor 6 for ventilating and dissipating heat of the motor 6.

In some embodiments, a battery 5 is further disposed inside the supply box for supplying power to the electric devices such as the motor 6 and the control board 2, so as to ensure that the supply box can be used in an environment without an external power source.

In a second aspect, referring to fig. 1, an embodiment of the present invention provides a self-feeding brushing device, including a feeding tank, a self-feeding roller brush 8, where the self-feeding roller brush 8 is connected to the feeding tank through a feeding pipe, the feeding tank is any one of the feeding tanks according to the embodiments of the present invention, and the roller brush 8 includes a brush head and a handle, where the handle is communicated with the brush head.

Optionally, the handle may comprise a telescopic tube 81, the supply tube may be a supply hose 82, the supply hose 82 being connected to a discharge outlet of the supply tank, the supply tank being arranged to pump paint from the supply roller brush 8 in use.

In some embodiments, a remote control is included that is connected by wireless signals to the control system on the supply tank.

Optionally, the control system includes a control panel 2, and the remote controller is connected to the control panel 2 through a wireless signal.

In some embodiments, the remote control is arranged on the self-feeding roller brush 8.

Alternatively, the remote control may be arranged on the handle of the self-feeding roller brush 8.

When the self-feeding painting device is used, paint is stored in the hopper 1, an operator holds the roller brush 8 by hand and sends instructions to the control panel 2 through a remote controller, the instructions comprise starting, stopping and adjusting the pumping rate of the paint, the control panel 2 specifically controls the motor 6 to work according to related instructions, the motor 6 drives the pump 3 to operate to pump the paint outwards, and the paint is conveyed to the brush hair part of the self-feeding roller brush 8 through the feeding hose 82, so that the brush hair is kept in a paint soaking state all the time. In the working process of the pump 3, the control panel 2 calculates the flow speed of the coating in the feeding pipe 11 between the pump 3 and the hopper 1 based on the detection data of the air pressure sensor 4, and when the measured flow speed is 0, the control panel 2 automatically controls the motor 6 to stop so as to avoid the damage problem caused by the idling of the screw pump. After finishing using, with supply hose 82 by separation on the feeder box, follow this to filling cleaners such as rosin water in the hopper 1 to through control panel 2 priming pump 3, with this washing of realizing the interior coating residue of pump 3, the subsequent used repeatedly of feeder box of being convenient for.

It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.

Claims (11)

1. A paint supply tank characterized by: including hopper (1), pump (3), buffer (38), motor (6), hopper (1) be used for to pump (3) supply with coating, motor (6) can drive pump (3) rotate, be equipped with stator (32) and rotor (33) in pump (3), the rotor is the screw rod, buffer (38) set up pump (3) with between motor (6).

2. The supply tank of claim 1, characterized in that: the stator (32) is made of rubber.

3. The supply tank of claim 1, characterized in that: be equipped with stirring propeller (37) in pump (3), stirring propeller (37) is including pivot, at least one stirring propulsion portion, the pivot with stirring propulsion portion is located the pump casing, at least one stirring propulsion portion fixes in the pivot, the one end of pivot with rotor (33) link to each other, the other end and the pump input shaft (36) of pivot are connected.

4. The supply tank of claim 3, characterized in that: the pump shell is provided with a feeding hole, and the feeding hole is opposite to the stirring propeller (37).

5. The supply tank of claim 1, characterized in that: the motor is characterized by further comprising a speed reducer (61), wherein the speed reducer (61) is arranged between the motor (6) and the buffer (38).

6. The supply tank of claim 1, characterized in that: still include velocity of flow sensor, pump (3) through inlet pipe (11) with hopper (1) are connected, the hopper is located the pump top, velocity of flow sensor sets up on the inlet pipe.

7. The supply tank of claim 6, characterized in that: the flow velocity sensor is air pressure sensor (4), be equipped with the branch pipe on inlet pipe (11), the branch pipe upwards sets up to one side, air pressure sensor (4) are connected in the branch pipe upper end.

8. The supply tank of claim 7, characterized in that: the air pressure sensor comprises a control system, wherein the control system comprises a processor and a wireless transceiving module, and the control system is respectively connected with the air pressure sensor (4) and the motor (6).

9. A self-feeding brushing device is characterized in that: the feed tank comprises a feed roller brush (8) and a feed tank according to any one of claims 1 to 8, wherein the feed roller brush (8) is connected with the feed tank through a feed pipe, and the feed roller brush (8) comprises a brush head and a handle, and the handle is communicated with the brush head.

10. A self-feeding painting apparatus according to claim 9, characterised in that: the feeding box comprises a remote controller, wherein the remote controller is connected with the control system on the feeding box through a wireless signal.

11. A self-feeding painting apparatus according to claim 9, characterised in that: the remote controller is arranged on the self-feeding roller brush (8).

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