CN116752759B

CN116752759B - A powder feeder

Info

Publication number: CN116752759B
Application number: CN202310665329.9A
Authority: CN
Inventors: 祝浪; 华登科; 张俊; 刘圣; 彭海东; 彭思; 刘冰
Original assignee: Beam Network Suzhou Intelligent Technology Co ltd; Wuhan Guangyu Mingsheng Intelligent Technology Co ltd
Current assignee: Beam Network Suzhou Intelligent Technology Co ltd
Priority date: 2023-06-05
Filing date: 2023-06-05
Publication date: 2025-10-28
Anticipated expiration: 2043-06-05
Also published as: CN116752759A

Abstract

The present invention relates to a powder feeder, which periodically opens or closes a discharge port by rotating a stirring member, thereby achieving uniform falling of powder in a barrel, ensuring uniform thickness of lines during marking, and at the same time, closing the discharge port by the stirring member effectively eliminates the need for a lower end cover. At the same time, a valve assembly arranged at the upper end of the barrel is used to open or close the feed port, and without introducing a new power source, an automated effect is achieved in which a movable valve is opened for receiving materials and automatically closes during marking, thereby effectively preventing foreign matter and rainwater from falling into the barrel, and ensuring smooth marking work in complex environments.

Description

Powder feeder

Technical Field

The invention relates to the technical field of construction line drawing devices, in particular to a powder feeder.

Background

The building construction refers to the production activity of engineering construction implementation stage, which is the construction process of various buildings, and can be said to be the process of changing various lines on a design drawing into real objects at a designated place. The method comprises foundation engineering construction, main body structure construction, roof engineering construction, decoration engineering construction and the like. The site of construction is referred to as a "building site" or "job site," also known as a worksite.

In the process of building construction, in order to better fix a position and can utilize material powder (for example lime powder) in advance to draw the line, at present in order to save time, use manpower sparingly, also in order to avoid appearing marking off skew because of manual operation simultaneously not accurate enough, a device that can automatic marking off has been developed, the device drives a powder feeder through the dolly that can march and carries out the feeding marking off, the in-process that the lime powder goes out the ejection of compact causes the putty easily, can't carry out the ejection of compact smoothly, and then influence marking off efficiency, but the marking off device among the prior art is in order to make things convenient for timely feeding, do not establish the lid in order to prevent that the powder from dropping in general in the upper end of powder feeder simultaneously, set up the lid in the lower extreme of powder feeder, just so there is following inconvenience:

The construction site is always subjected to rainwater weather, but the construction progress cannot be delayed, so that lime powder can be wetted when the rainwater weather is marked, powder consolidation is caused, a device is damaged due to high temperature reaction, spraying water for a building is sometimes encountered even if the rainwater weather is not present, and adverse effects are caused on marking;

the lower end is provided with the cover, the cover needs to be opened firstly when each scribing is carried out, the cover is possibly lost due to the fact that the detachable cover is adopted, and powder is possibly blocked in a movable gap due to the fact that the movable cover is adopted, so that improvement on an existing powder feeder is needed.

Disclosure of Invention

Based on the above description, the present invention provides a powder feeder to solve the above technical problems in the prior art.

The technical scheme for solving the technical problems is as follows:

a powder feeder comprising a cartridge, a discharge assembly and a valve assembly;

An accommodating space for accommodating the powder is formed in the charging barrel, and a feeding hole and a discharging hole are respectively formed at the upper end and the lower end of the charging barrel;

The discharging assembly comprises a stirring piece and a power source, the stirring piece is rotatably arranged in the charging barrel and is close to the discharging hole, the power source is arranged outside the charging barrel and is in transmission connection with the stirring piece, and the stirring piece rotates to periodically open or close the discharging hole;

the valve component is arranged at the upper end of the charging barrel and is used for opening or closing the charging hole.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

According to the powder feeder provided by the application, the discharge hole is opened or closed periodically through the rotation of the stirring piece, so that the powder in the charging barrel is uniformly fallen, the thickness uniformity of lines during scribing is ensured, meanwhile, the design of a lower end cover is effectively omitted by closing the discharge hole through the stirring piece, and meanwhile, the valve assembly arranged at the upper end of the charging barrel is adopted to open or close the charging hole, so that foreign matters and rainwater can be effectively prevented from falling into the charging barrel, and the scribing work in a complex environment is ensured to be smoothly carried out.

On the basis of the technical scheme, the invention can be improved as follows.

Further, the material barrel comprises a barrel body, a barrel seat and a material discharging piece, wherein the material inlet is formed in the upper end of the barrel body, the material discharging piece is arranged at the lower end of the barrel body, the material discharging piece is arranged at the material discharging hole, the barrel seat is arranged in the barrel body, two ends of the barrel seat are connected with the inner wall of the barrel body, a vertically arranged material discharging channel is formed in the middle of the barrel seat, the lower end of the material discharging channel is communicated with the material discharging hole, the stirring piece comprises a barrel, the barrel is rotatably arranged on the barrel seat, a plurality of tooth parts are formed in the outer side of the barrel along with the radial direction, a containing groove is formed between every two adjacent tooth parts, and when the tooth parts rotate to be horizontal along with the barrel, the outer ends of the tooth parts are contacted with the inner wall of the barrel seat to close the material discharging channel.

Further, the power source comprises a direct-current gear motor, the direct-current gear motor is installed on one side of the charging barrel through a motor bracket, and a motor shaft of the direct-current gear motor stretches into the barrel body to be in transmission connection with the drum barrel.

Furthermore, two ends of the drum barrel are connected with the drum barrel seat through bearings, and sealing rings are arranged at the joints of the bearings and the drum barrel.

Further, the discharging assembly further comprises a vibration source, the vibration source comprises a first support, a first vibration motor, a second support and a second vibration motor, the first support is connected to one side of the charging barrel, the first vibration motor is connected to the first support and used for driving the charging barrel to vibrate, the middle of the charging barrel is provided with a containing cavity, the second support is inserted into the middle of the charging barrel and provided with a mounting groove, and the second vibration motor is mounted in the mounting groove and used for driving the charging barrel to vibrate.

Further, the cylinder body is connected with a full level sensor near the upper end, and a discharging window is formed in the cylinder body.

The powder feeding device further comprises a connecting support and a feeding position sensor, wherein the connecting support is connected to the upper end of the cylinder and used for being connected with movement equipment with a powder cabin, and the feeding position sensor is connected to the connecting support and is arranged corresponding to the feeding hole.

Further, the valve assembly comprises a movable valve, an actuating member and a resetting member;

The movable valve is provided with a rotating end and a shielding end which are connected with each other, the movable valve is connected to the lower end of the connecting support in a rotating way through the rotating end, the shielding end can move between a first position for shielding the feed inlet and a second position for opening the feed inlet under the driving of the rotating end, the actuating piece is movably arranged on the connecting support, the actuating piece is in transmission connection with the rotating end and can drive the movable valve to rotate under the action of external force, so that the shielding end moves from the first position to the second position, and the resetting piece is connected between the actuating piece and the connecting support and is used for driving the actuating piece to reset, so that the shielding end moves from the second position to the first position.

The actuating piece is arranged on the connecting support in a sliding mode and is provided with a rack matched with the gear, the resetting piece comprises a compression spring, the actuating piece is provided with a first end and a second end which are opposite to each other, the first end is close to the material cabin, when the actuating piece moves in the direction from the first end to the second end, the shielding end is driven to move from a first position to a second position, and the compression spring is used for forcing the actuating piece to move in the direction from the second end to the first end and enabling the first end to extend out of the connecting support.

Further, the device also comprises a laser ranging sensor, wherein the laser ranging sensor is arranged on the connecting bracket and used for detecting the distance between the feeding hole and the material cabin.

Drawings

FIG. 1 is a schematic view of an external structure of a powder feeder according to an embodiment of the present invention;

FIG. 2 is an exploded view of a powder feeder according to an embodiment of the present invention;

FIG. 3 is a schematic view of another position of the valve assembly relative to FIG. 1 according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of an internal structure of an embodiment of the present invention;

FIG. 5 is a schematic view of the drum in an embodiment of the present invention;

FIG. 6 is a schematic diagram of a valve assembly according to an embodiment of the invention.

Detailed Description

In order that the application may be readily understood, a more complete description of the application will be rendered by reference to the appended drawings. Embodiments of the application are illustrated in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

It will be understood that spatially relative terms, such as "under," "above," "over," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use and operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "under" or "beneath" other elements would then be oriented "on" the other elements or features. Thus, the exemplary terms "under" and "under" may include both an upper and a lower orientation. Furthermore, the device may also include an additional orientation (e.g., rotated 90 ° or other orientations) and the spatial descriptors used herein interpreted accordingly.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be connected to the other element through intervening elements. In the following embodiments, "connected" is understood to mean "electrically connected", "communicatively connected", and the like, if the connected circuits, modules, units, and the like have electrical or data transferred therebetween.

As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," and/or the like, specify the presence of stated features, integers, steps, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof.

As shown in FIG. 1, the present application provides a powder feeder that includes a cartridge 10, a discharge assembly 20, and a valve assembly 30.

Wherein, the inside accommodation space that is used for holding the powder that is formed of feed cylinder 10, the upper and lower both ends of feed cylinder form feed inlet 10a and discharge gate 10b respectively, and the process of marking off just the powder of accommodation space is continuous from the process of discharge gate 10b dropping subaerial.

The discharging assembly 20 comprises a stirring piece 21 and a power source 22, the stirring piece 21 is rotatably arranged inside the charging barrel 10 and close to the discharging hole 10b, the power source 22 is arranged outside the charging barrel 10 and is in transmission connection with the stirring piece 21, and the stirring piece 21 rotates to periodically open or close the discharging hole 10b.

Specifically, the material cylinder 10 includes a cylinder body 11, a drum seat 12, and a material discharging member 13, the material inlet 10a is located at the upper end of the cylinder body 11, and the material discharging member 13 is disposed at the lower end of the cylinder body 11, and the material outlet 10a is located at the material discharging member 13.

The cylinder 11 may be made of stainless steel alloy, or may be made of other metal materials with certain strength, which is not limited. In this embodiment, the cylinder 11 is preferably made of stainless steel alloy. Therefore, the cylinder 11 can be ensured to have certain compressive strength, and deformation caused by collision of obstacles in the using process is avoided, so that normal discharging is influenced.

The drum seat 12 is arranged inside the cylinder 11, two ends of the drum seat 12 are connected with the inner wall of the cylinder 11, a vertically arranged discharging channel 12a is arranged in the middle of the drum seat 12, and the lower end of the discharging channel 12a is communicated with the discharging port 10 b.

The stirring member 21 comprises a drum 211, the drum 211 is rotatably mounted on the drum seat 12, a plurality of teeth 212 are formed on the outer side of the drum 211 along the radial direction, a containing groove 21a is formed between every two adjacent teeth 212, and when the teeth 212 rotate along with the drum 211 to be horizontal, the outer ends of the teeth 212 are contacted with the inner wall of the drum seat 12 to close the discharging channel 12a.

The power source 22 includes a dc gear motor 221, which is mounted on one side of the cylinder 10 through a motor bracket 222, and a motor shaft of the dc gear motor 21 extends into the cylinder 11 and is in transmission connection with the drum 211.

The power source 22 may be any other power source as long as it can rotate the drum 211, and is not limited thereto.

In the preferred embodiment of the present application, the drum base 12 is integrally provided with a cylindrical structure horizontally, the peripheral side surface of the drum base 12 penetrates through to form the discharge channel 12a, a guide surface is formed inwards on the side wall of the edge part of the discharge channel 12a, so that the powder in the drum 11 can smoothly enter the discharge channel 12a, round holes are formed at two ends of the drum base 12 and used for accommodating two ends of the drum 211 to be connected into the round holes through the bearings 223, and in the rotating process of the drum 211, when the end surface of the tooth part 212 contacts with the inner wall of the drum base 12, the closing of the discharge channel 12a can be realized, and at the moment, the powder above the tooth part 212 in a horizontal state can be prevented from falling, and the powder below the tooth part falls and lines due to the downward corresponding accommodating groove.

When the direct current gear motor 221 drives the drum 211 to rotate, the tooth 212 rotates to stir the powder reaching the discharge channel 12a, so that the problem that the powder in the cylinder 11 blocks the discharge port 10b due to caking and cannot be normally marked can be avoided, in the stirring rotation process, the number of the powder falling off once is controlled through periodical opening and closing of the discharge channel 12a, the number of the powder falling off is ensured to be even when the powder is opened and closed periodically, and the thickness of the line of the powder is even when the powder is marked is further ensured.

In order to facilitate the installation of the drum 211, in the present application, the drum 211 is formed by combining two parts, and the two parts are connected into a whole by plugging or buckling.

In order to effectively prevent the dust from entering the rotary mechanism formed by the drum 211 and the direct-current gear motor 221, the mechanism is blocked, and a sealing ring 224 is arranged at the joint of the bearing 223 and the drum 221.

The discharging assembly 20 further comprises a vibration source, the vibration source comprises a first support 231, a first vibration motor 232, a second support 233 and a second vibration motor 234, the first support 231 is connected to one side of the material barrel 10, the first vibration motor 232 is connected to the first support 231 and used for driving the material barrel 10 to vibrate, a containing cavity is formed in the middle of the drum barrel 221, the second support 233 is inserted into the middle of the drum barrel 221 and provided with a mounting groove, the second vibration motor 234 is mounted in the mounting groove and used for driving the drum barrel 221 to vibrate, and vibration motors are arranged on the outer side of the material barrel 10 and the inner side of the drum barrel 221, so that powder can smoothly fall down and is prevented from being blocked due to adhesion of the powder on the side wall of the material barrel 10 or the outer side wall of the drum barrel 221.

In the embodiment of the present application, the direct current gear motor 221, the first bracket 231 and the first vibration motor 232 are located at the same side of the cylinder 11, and are covered with the protection cover 15 to prevent dust from entering.

The cylinder 11 is connected with a full level sensor 14 near the upper end to accurately grasp the feeding height, and the cylinder 11 is provided with a discharging window, so that when powder is accidentally blocked, blocked powder can be removed through the discharging window.

To facilitate the connection of the powder feeder to the movement mechanism, the powder feeder further comprises a connection bracket 40 and a feeding position sensor 50.

The connection bracket 40 is connected to the upper end of the cylinder 11, and is used for being connected to a moving device with a powder cabin, the moving device is typically an automatic scribing robot, and the feeding position sensor 50 is connected to the connection bracket 40 and is disposed corresponding to the feeding 10 a.

In the embodiment of the application, the feeding position sensor 50 is connected to the connecting bracket 40 through the material level sensor bracket 51, and the lower end of the feeding position sensor 50 is also provided with a material level sensor housing 52 for protection.

When feeding is needed, the feeding pipeline moves to the position above the feeding port 10a and is positioned between the feeding position sensor 50 and the feeding port 10a, and when the feeding position sensor 50 senses that the upper end distance from the feeding pipeline is shortest, the axis of the feeding pipeline and the axis of the feeding port 10a are on the same vertical plane, so that the feeding stability and the feeding accuracy are ensured.

The valve assembly 30 is disposed at the upper end of the cartridge 10, and is used for opening or closing the feed inlet 10a, and the valve assembly 30 should be used for opening the valve during feeding and closing the valve during scribing, so as to prevent foreign matters and rainwater from falling into the cartridge 10 and the drum 221.

In the application, the valve mechanism opens the valve under the action of the sliding table when receiving materials, and automatically closes the valve when scribing to prevent foreign matters and rainwater from falling into the drum barrel;

the valve assembly 30 includes a movable valve 31, an actuator 32, and a reset member 33.

The movable valve 31 has a rotating end 311 and a shielding end 312 that are connected to each other, the movable valve 31 is rotatably connected to the lower end of the connecting bracket 40 through the rotating end 311, and the shielding end 312 is driven by the rotating end 311 to move between a first position (as shown in fig. 3) for shielding the feed inlet 10a and a second position (as shown in fig. 1) for opening the feed inlet 10b, i.e. the movable valve 31 rotates to shield the feed inlet 10a or open the feed inlet 10a.

The actuating member 32 is movably disposed on the connecting bracket 40, the actuating member 312 is in transmission connection with the rotating end 311 and can drive the movable valve 31 to rotate under the action of external force, so that the shielding end 312 moves from the first position to the second position, i.e., the actuating member 312 can open the movable valve 31 under the action of external force.

The restoring member 33 is connected between the actuating member 32 and the connecting bracket 40, and is used for driving the actuating member 32 to restore, so that the shielding end 312 moves from the second position to the first position, that is, the restoring member 33 can drive the actuating member 312 to close the movable valve 32.

Preferably, a gear 313 is disposed at the outer side of the rotating end 312, the actuating member 32 is slidably mounted on the connecting bracket 40 and has a rack 321 matched with the gear 313, in this embodiment, the rotating end 312 is rotatably connected to the connecting bracket 40 through a pin 34, a limit bar hole 32a is formed on the actuating member 32, the limit bar hole 32a is sleeved on the limit screw 35, the limit screw 35 is fixedly connected with the connecting bracket, the moving distance of the actuating member 32 is limited under the cooperation of the limit screw 35 and the limit bar hole 32a, a through hole is further formed on the actuating member 32, the rotating end 312 is disposed in the through hole, the rack 321 is formed on one side wall of the through hole, and the other side wall of the through hole is tangential to the rotating end 312.

When the actuator 32 is pushed, the rack 321 drives the gear 313 to rotate, so as to switch the movable valve 31.

The return member 33 comprises a compression spring.

The actuating member 32 has a first end 3201 and an opposite second end 3202 disposed near the material cabin, and when the actuating member 32 moves along the direction from the first end 3201 to the second end 3202, the movable valve 31 is driven to open, and the compression spring is used for forcing the actuating member 32 to move along the direction from the second end 3202 to the first end 3201, and making the first end 3201 extend out of the connecting bracket 40.

In actual use, when the feeding is needed, the mechanical arm on the marking robot drives the feeder to be close to the powder cabin, the marking robot contacts with the first end 3201 and pushes the actuating element 32 to move to the second end 3202 side, the rack 321 drives the gear 313 to rotate, so that the movable valve 31 is opened, the feeding is convenient, after the powder is received, the mechanical arm extends out to separate the feeder from a vehicle body, at the moment, the rack 321 moves to the first end 3201 under the action of the compression spring, the movable valve 31 is closed, and further, the automatic effects that the movable valve 31 is opened during marking and the movable valve 31 is automatically closed are realized under the condition that a new power source is not additionally introduced.

In a preferred embodiment of the present application, the powder feeder further comprises a laser ranging sensor 41, and the laser ranging sensor 41 is mounted on the connection bracket 40 and is used for detecting the distance between the feeding port 10a and the powder cabin so as to ensure the receiving accuracy.

In summary, the powder feeder provided by the application periodically opens or closes the discharge hole through rotation of the stirring piece, so that the powder in the charging barrel is uniformly dropped, the uniformity of thickness of lines during scribing is ensured, meanwhile, the design of a lower end cover is effectively omitted through closing the discharge hole through the stirring piece, meanwhile, the valve component arranged at the upper end of the charging barrel is adopted to open or close the charging hole, under the condition that a new power source is not additionally introduced, the opening of a movable material receiving valve is realized, the automatic closing effect of the movable valve during scribing is realized, foreign matters and rainwater can be effectively prevented from falling into the charging barrel, and the smooth scribing work under a complex environment is ensured.

The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims

1. The powder feeder comprises a material barrel, a discharging assembly and a valve assembly, wherein an accommodating space for accommodating powder is formed in the material barrel, a material inlet and a material outlet are formed at the upper end and the lower end of the material barrel respectively, the discharging assembly comprises a stirring piece and a power source, the stirring piece is rotatably arranged in the material barrel and is arranged close to the material outlet, the power source is arranged outside the material barrel and is in transmission connection with the stirring piece, the stirring piece rotates to periodically open or close the material outlet, the valve assembly is arranged at the upper end of the material barrel and is used for opening or closing the material inlet, the material barrel comprises a barrel body, a barrel seat and a material outlet, the material inlet is positioned at the upper end of the barrel body, the material outlet is arranged at the lower end of the barrel body, the barrel seat is arranged in the barrel body, the two ends of the barrel seat are connected with the inner wall of the barrel body, the middle part of the barrel seat is provided with a vertically arranged material outlet channel, the lower end of the material outlet channel is in transmission connection with the stirring piece, the barrel seat is communicated with the material outlet channel, and the barrel seat is provided with the barrel seat, and the barrel seat is horizontally arranged along with the drum seat, and the material outlet seat is horizontally arranged at the outer side of the barrel seat, and the material outlet seat is in the barrel seat is formed by a plurality of adjacent tooth-shaped teeth when the barrel seat rotates along with the tooth part;

the powder feeder also comprises a connecting bracket and a feeding position sensor, wherein the connecting bracket is connected to the upper end of the cylinder;

The valve assembly comprises a movable valve, an actuating piece and a resetting piece, wherein the movable valve is provided with a rotating end and a shielding end which are connected with each other, the movable valve is connected to the lower end of the connecting support in a rotating mode through the rotating end, the actuating piece is movably arranged on the connecting support, a gear is arranged on the outer side of the rotating end, the actuating piece is slidably arranged on the connecting support and is provided with a rack matched with the gear, the resetting piece comprises a compression spring, the actuating piece is provided with a first end and an opposite second end, the first end is close to the material cabin, the second end is opposite to the first end, when the actuating piece moves in the direction from the first end to the second end, the shielding end is driven to move from the first position to the second position, and the compression spring is used for forcing the actuating piece to move in the direction from the second end to the first end and enabling the first end to extend out of the connecting support.

2. The powder feeder of claim 1, wherein the power source comprises a direct current gear motor, the direct current gear motor is mounted on one side of the cylinder through a motor bracket, and a motor shaft of the direct current gear motor extends into the cylinder to be in transmission connection with the cylinder.

3. A powder feeder according to claim 1, wherein the drum is connected to the drum base at both ends by bearings, and wherein sealing rings are provided at the connection of the bearings to the drum.

4. The powder feeder of claim 1, wherein the discharge assembly further comprises a vibration source comprising a first bracket, a first vibration motor, a second bracket and a second vibration motor, wherein the first bracket is connected to one side of the drum, the first vibration motor is connected to the first bracket for driving the drum to vibrate, the drum has a receiving cavity in the middle, the second bracket is inserted in the drum and has a mounting groove, and the second vibration motor is mounted in the mounting groove for driving the drum to vibrate.

5. The powder feeder of claim 1, wherein the barrel is connected near an upper end with a fill level sensor, the barrel being formed with a discharge window.

6. The powder feeder of claim 1, wherein the connection bracket is configured to connect with a motion device having a powder chamber, and wherein the feed position sensor is coupled to the connection bracket and disposed in correspondence with the feed inlet.

7. The powder feeder of claim 6, wherein the shielding end is driven by the rotating end to move between a first position for shielding the feed inlet and a second position for opening the feed inlet, the actuating member is in transmission connection with the rotating end and can drive the movable valve to rotate under the action of external force so as to move the shielding end from the first position to the second position, and the reset member is connected between the actuating member and the connecting bracket and is used for driving the actuating member to reset so as to move the shielding end from the second position to the first position.

8. The powder feeder of claim 6, further comprising a laser ranging sensor mounted on the connection bracket for detecting a distance between the feed inlet and the powder bin.