CN216402727U

CN216402727U - Powder feed divider

Info

Publication number: CN216402727U
Application number: CN202122890913.3U
Authority: CN
Inventors: 王雷
Original assignee: Kebowei Tianjin Technology Co ltd
Current assignee: Kebowei Tianjin Technology Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-04-29
Anticipated expiration: 2031-11-22

Abstract

The utility model provides a powder distributing device which comprises a distributing shell, wherein a distributing pipe penetrates through the distributing shell, the top surface of the middle section of the distributing pipe is provided with a first discharging hole for discharging redundant powder, a spray pipe mechanism for blowing the redundant powder out of the distributing pipe and a sealing mechanism for sealing the first discharging hole are arranged in the distributing shell, and a power mechanism for enabling the sealing mechanism to act is arranged on the front end surface of the distributing shell; but sealing mechanism is including circular-arc just hug closely the sealed lid of branch material pipe top surface and axial pivoted first bracing piece, the link activity of sealed lid cup joints in the first bracing piece outside, the screw thread has cup jointed the cover opening cover on the bracing piece, cover opening cover swing joint has uncap pole one end, other end swing joint in sealed lid top surface. The pipe chain conveying device can enable a single conveying scraper to carry a proper amount of powder in a pipe chain conveying mode so as to avoid blockage or damage in the pipe chain moving process.

Description

Powder feed divider

Technical Field

The utility model relates to the technical field of powder pipe chain transportation, in particular to a powder distributing device.

Background

In the prior art, during the powder processing, the powder is generally transported by using a pipe chain transportation mode. The powder is loaded into the conveying pipe by the loading device, and the scraper on the pipe chain in the conveying pipe drives a proper amount of powder to move in the conveying pipe, so that the powder is conveyed. However, in actual use, the amount of powder transported by each scraper cannot be controlled, if the amount of powder transported by a single scraper is too large, the friction force between the powder and the inside of the transport pipe is too large, so that the pipe chain is easily blocked, and the scraper and the corresponding connecting piece bear too large pulling force, so that the pipe chain is easily broken.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a powder distribution device, which can enable a single conveying scraper to carry a proper amount of powder, so as to prevent the pipe chain from being jammed or damaged during the moving process.

In order to solve the technical problems, the utility model adopts the technical scheme that:

a powder distributing device comprises a distributing shell, a distributing pipe penetrates through the distributing shell, a first discharging hole for discharging redundant powder is formed in the top surface of the middle section of the distributing pipe, a spray pipe mechanism for blowing the redundant powder out of the distributing pipe and a sealing mechanism for sealing the first discharging hole are arranged in the distributing shell, and a power mechanism for enabling the sealing mechanism to act is arranged on the front end face of the distributing shell;

but sealing mechanism is including circular-arc just hug closely the sealed lid of branch material pipe top surface and axial pivoted first bracing piece, the link activity of sealed lid cup joints in the first bracing piece outside, the screw thread has cup jointed the cover opening cover on the bracing piece, cover opening cover swing joint has uncap pole one end, other end swing joint in sealed lid top surface.

Furthermore, both ends of the cover opening rod are movably connected with the sealing cover and the cover opening sleeve through universal joints.

Further, the spray pipe mechanism comprises a powder removing spray pipe, one end of the powder removing spray pipe is movably connected with the material distributing shell, and the other outlet end groove is arranged towards the first discharge hole;

the outer wall of the cover opening sleeve is movably provided with a positioning sleeve used for enabling the powder removing spray pipe to horizontally rotate, and the positioning sleeve is movably sleeved on the middle section of the powder removing spray pipe.

Furthermore, one end of the first supporting rod extends out of the front end face of the material distributing shell, and the power mechanism comprises a driving cylinder;

the rack is installed at the end that stretches out of drive actuating cylinder, the gear is installed in stretching out of first bracing piece, rack and gear engagement.

Further, the power mechanism comprises a mounting frame, a first mounting plate used for being connected with the driving cylinder is arranged at the upper end of the mounting frame, and a second mounting plate is arranged at the left end of the mounting frame;

the air pipe mounting hole and the sliding hole used for mounting the air pipe are formed in the second mounting plate, the middle section of the connecting lug is connected in the sliding hole in a clamping mode, one end of the connecting lug is fixedly connected with the rack, and the other end of the connecting lug is fixedly connected with the extending end of the driving air cylinder.

Furthermore, a sensor for detecting the powder conveying amount is fixedly installed on the top surface of the input end of the material distributing pipe in a sealing mode.

Furthermore, a second discharge hole is formed in the side wall of the lower end of the material distribution shell, and the ground of the material distribution shell is obliquely arranged.

Furthermore, the first supporting rod is provided with a positive thread and a negative thread, and the cover opening sleeve comprises a positive sleeve and a negative sleeve;

the outer sides of the positive thread and the negative thread are respectively sleeved with a positive sleeve and a negative sleeve, and the positive sleeve and the negative sleeve are movably connected with the two ends of the sealing cover through the cover opening rod.

Furthermore, a standby spray pipe which is the same as the powder removing spray pipe in installation mode is installed in the material distributing shell, and the middle sections of the powder removing spray pipe and the standby spray pipe are respectively sleeved in the positioning sleeves below the front sleeve and the reverse sleeve.

Furthermore, the first discharge hole is of a trapezoidal structure.

The utility model has the advantages and positive effects that:

(1) connect feed divider on the transport pipe through transporting at the pipe chain, when the sensor detects the powder excess that the intraductal transportation scraper blade of transport carried, power unit opens and makes first bracing piece rotate, and first bracing piece makes sealed lid forward rotation through opening the lid cover and uncapping the pole, exposes first discharge gate, and spray tube mechanism blows the unnecessary powder that the transportation scraper blade carried to divide the material shell in, makes single transportation scraper blade carry appropriate amount powder to avoid the pipe chain to remove the in-process card pause or damage to appear.

(2) The material distributing device is used for blowing out the powder of the material distributing scraper blade, and controlling the air quantity of the air blown out by the spray pipe mechanism to enable the spray pipe mechanism to blow out all the powder carried by the conveying scraper blade at intervals of one conveying scraper blade, so that the powder distributing device is used for distributing the powder.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a front view of a powder distributing device of the present invention;

FIG. 2 is a front cross-sectional view of a powder distribution device of the present invention;

FIG. 3 is a top view of a powder distribution device of the present invention;

FIG. 4 is a top view of a distributing pipe of the powder distributing device of the present invention;

fig. 5 is an enlarged schematic view at a in fig. 1.

In the figure: 1. a material distributing shell; 101. a second discharge port; 2. distributing pipes; 201. a first discharge port; 3. a power mechanism; 301. a mounting frame; 302. a gear; 303. a rack; 304. a driving cylinder; 3041. a threaded connection pipe; 305. an air tube; 4. a sealing mechanism; 401. a first support bar; 402. opening a cover sleeve; 403. a lid opening lever; 404. a sealing cover; 5. a nozzle mechanism; 501. a powder removing spray pipe; 5011. a standby spray pipe; 502. a positioning sleeve; 6. a pipe chain; 601. and (5) transporting the scraper.

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. 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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

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 invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The utility model provides a powder distributing device, which is generally arranged at the rear end of a feeding device as shown in figures 1 to 2, wherein the feeding device is used for loading powder into a conveying pipe, a pipe chain 6 capable of moving axially is arranged in the conveying pipe, and conveying scrapers 601 with a disc structure are arranged on the pipe chain 6 at intervals. When powder is transported, the pipe chain 6 moves axially, and the transportation scraper 601 pushes a proper amount of powder to move in the transportation pipeline.

If the powder pushed by one conveying scraper 601 is too much, the powder is blown out by the material distributing device when passing through the material distributing device, so that the phenomenon that the pipe chain 6 is jammed or damaged in the subsequent moving process due to the uneven amount of the powder carried by the conveying scraper 601 in the moving process of the pipe chain 6 is avoided.

The material distributing device comprises a material distributing shell 1, wherein a material distributing pipe 2 penetrates through the material distributing shell 1 (two ends of the material distributing pipe 2 extend out of the front end face and the rear end face of the material distributing shell 1). When the material distributing device is installed, two ends of the material distributing pipe 2 are communicated with the conveying pipe, and the material distributing device is connected to the conveying pipe. As shown in fig. 3, the top surface of the input end of the material distributing pipe 2 is fixedly provided with a sensor 202 in a sealing manner, the output end of the sensor 202 is connected with an upper computer, the upper computer receives data acquired by the sensor 202 for feedback, and the material distributing device is controlled to blow out powder.

As shown in fig. 4, a first discharge port 201 is formed at the top surface of the middle section of the material distribution pipe 2, a nozzle mechanism 5 is installed in the material distribution shell 1, the nozzle mechanism 5 includes a powder removing nozzle 501 capable of blowing out gas, and an outlet end of the powder removing nozzle 501 is disposed toward the first discharge port 201. When the powder removing spray pipe 501 works, air is blown out from the outlet end, the air enters the material distributing pipe 2 from the first discharge hole 201, excessive powder in the material distributing pipe 2 is blown out from the first discharge hole 201 and falls into the material distributing shell 1.

A second discharge hole 101 is installed on the side wall of the lower end of the material distributing shell 1, and the second discharge hole 101 is used for being connected with external equipment. When the external equipment is a feeding device, the blown powder returns to the feeding device for secondary feeding, and the material distributing device plays a role in discharging redundant powder; when the external equipment is the other transportation pipeline, the blown powder enters the other transportation pipeline for double-channel transportation, and the material distributing device has a shunting function. In order to facilitate the self-discharge of the powder from the second discharge port 101, the bottom surface of the material distributing shell 1 is obliquely arranged.

As shown in fig. 3, a sealing mechanism 4 is installed in the material distributing shell 1, and when the excessive powder does not need to be discharged, the sealing mechanism 4 is used for sealing the first discharging port 201, so that the powder is transported in a sealed manner. When excessive powder needs to be discharged, the sealing mechanism 4 can expose the first discharge port 201, so that the powder removing spray pipe 501 can blow out the powder in the material distributing pipe 2 conveniently.

The sealing mechanism 4 comprises a sealing cover 404, and the sealing cover 404 is of an arc structure and is tightly attached to the top surface of the material distributing pipe 2, and meanwhile, the normal movement of the pipe chain 6 is not influenced. The sealing mechanism 4 comprises a first supporting rod 401, and the first supporting rod 401 is movably mounted on the inner wall of the material distributing shell 1 to support the first supporting rod 401 at a certain height. The connecting end of the sealing cover 404 is movably connected with the first supporting rod 401, so that the sealing cover 404 can conveniently rotate by taking the axis of the first supporting rod 401 as a rotating center.

The first supporting rod 401 is in threaded sleeve connection with a cover opening sleeve 402, the outer side wall of the cover opening sleeve 402 is movably connected with one end of a cover opening rod 403, and the other end of the cover opening rod 403 is movably connected with the outer side wall of a sealing cover 404. During operation, the first supporting rod 401 rotates forwards along the axis, the cover opening sleeve 402 moves along the axis of the first supporting rod 401, the cover opening rod 403 drives the sealing cover 404 to rotate forwards, and the first discharge hole 201 is exposed; when the first support rod 401 rotates in the opposite direction along the axis, the sealing cover 404 rotates in the opposite direction to cover the first discharge hole 201. Preferably, both ends of the cap-opening rod 403 are movably connected with the driving sleeve and the sealing cap 404 through universal joints.

In order to enable the sealing cover 404 to rotate smoothly, a forward thread section and a backward thread section are formed on the first supporting rod 401, the cover-opening sleeve 402 comprises a forward sleeve and a backward sleeve, and the cover-opening rod 403 comprises a forward cover rod and a backward cover rod. The positive sleeve thread is sleeved on the outer side of the positive thread section, the reverse sleeve thread is sleeved on the outer side of the reverse thread section, and one ends of the positive cover rod and the reverse cover rod, which are far away from the cover-opening sleeve 402, are movably arranged at two ends of the sealing cover 404 respectively.

The connecting end of the powder removing spray pipe 501 is movably arranged on the side wall of the material distributing shell 1, so that the powder removing spray pipe 501 can rotate horizontally. Meanwhile, the positioning sleeve 502 is movably mounted on the outer wall of the cap opening sleeve 402, the positioning sleeve 502 is movably sleeved on the middle section of the powder removing spray pipe 501, when the cap opening sleeve 402 moves along the axis of the first supporting rod 401, the powder removing spray pipe 501 can be driven to horizontally rotate together, so that the outlet end of the powder removing spray pipe 501 can move together with the conveying scraper blade 601, excessive powder carried by one conveying scraper blade 601 can be effectively removed, and powder carried by one conveying scraper blade 601 can be pertinently removed,

in order to ensure the powder removing efficiency of the nozzle mechanism 5, a standby nozzle 5011 is installed in the material separating shell 1, and the standby nozzle 5011 is installed in the same way as the powder removing nozzle 501. The powder removing spray pipe 501 is sleeved in the positioning sleeve 502 on the outer side of the front sleeve, and the spare spray pipe 5011 is sleeved in the positioning sleeve 502 on the outer side of the reverse sleeve. Taking fig. 3 as an example, the first support rod 401 rotates forward, the front sleeve and the powder removing nozzle 501 move horizontally to the right together, the back sleeve and the spare nozzle 5011 move horizontally to the left together (the front sleeve and the back sleeve approach each other, and the powder removing nozzle 501 and the spare nozzle 5011 approach each other), the sealing cover 404 is opened stably, meanwhile, the pipe chain 6 moves rightwards together, the outlet end of the powder removing nozzle 501 moves rightwards together with the transport push plate, and the powder removing nozzle 501 can remove powder pushed by one transport push plate.

After the sealing cover 404 is completely opened, the dusting nozzle 501 stops blowing air. If the powder carried by the transportation push plate is still excessive, the outlet end of the standby spray pipe 5011 starts to spray air, meanwhile, the first support rod 401 rotates reversely, the air spray port of the standby spray pipe 5011 moves rightwards along with the transportation push plate, and the powder carried by the transportation push plate is removed. In order to match with the moving paths of the outlet ends of the powder removing spray pipe 501 and the standby spray pipe 5011, the first discharge hole 201 is arranged to be of a trapezoid structure, so that the powder blowing efficiency of the powder removing spray pipe 501 and the standby spray pipe 5011 is ensured, and the phenomenon that too much powder is blown out to influence the transmission efficiency due to the fact that the area of the first discharge hole 201 is too large is avoided.

As shown in fig. 1 and 5, a power mechanism 3 is mounted on the front end surface of the material distributing shell 1, and the power mechanism 3 is used for rotating the first supporting rod 401. The power mechanism 3 comprises a driving cylinder 304, the driving cylinder 304 is fixedly installed on the front end face of the material distribution shell 1, a rack 303 is installed at the connecting end of a single rod of the driving cylinder 304, a section of the first supporting rod 401 extending out of the front end face of the material distribution shell is fixedly installed with a gear 302, and the gear 302 is meshed with the rack 303. The single rod of the driving cylinder 304 drives the rack 303 to reciprocate, and the rack 303 rotates the first supporting rod 401 forward or backward through the gear 302.

Divide fixed mounting to have on the preceding terminal surface of material shell 1 to be used for stably driving mounting bracket 301 of actuating cylinder 304 and rack 303, the vertical installation of mounting bracket 301, mounting bracket 301 upper end be provided with be used for with drive actuating cylinder 304 upper end fixed connection's first mounting panel, mounting bracket 301 left end is provided with the second mounting panel, the second mounting panel is located gear 302 and drives between the actuating cylinder 304. The second mounting plate is provided with a mounting hole and a sliding hole for mounting the air pipe 305, the back of the rack 303 is fixedly provided with a connecting lug, the connecting lug penetrates through the sliding hole to be connected with a single rod of the driving air cylinder 304, and when the single rod moves in a reciprocating manner, the back of the rack 303 is tightly attached to the second mounting plate and stably moves up and down.

The opposite side of driving actuating cylinder 304 and second mounting panel is trachea 305 connection face (trachea 305 is connected with the air pump, toward driving actuating cylinder 304 in input gas), inserts trachea 305 through nipple 3041 and drives actuating cylinder 304, adds the boss on nipple 3041, will drive actuating cylinder 304 and second mounting panel fixed connection, further improves the installation steadiness that drives actuating cylinder 304.

When the powder is carried by the transportation push plate to move, the powder can be stacked on the working surface of the transportation push plate to form a powder stack with slope. Preferably, the sensor 202 selects a distance sensor, the powder pile passes through the lower part of the distance sensor, the distance sensor records the distance from the top of the powder pile to the sensor, the distance is not uploaded to an upper computer in real time, and when the transportation push plate is arranged below the distance sensor, the distance of the sensor is zero, and the distance is counted as zero data.

The upper computer receives the data of the distance sensor, records and generates the contour data of the powder pile in real time by taking two adjacent zeros as a period, extracts the peak value (height of the top of the powder pile) of the contour data and judges whether the peak value exceeds a set threshold value. If the groove does not pass the threshold value, judging that the powder carried by the transportation push plate is not excessive, and not actuating the material distributing device; if the powder amount exceeds the set threshold value, the powder amount carried by the conveying push plate is judged to be excessive, the upper computer starts the air pump to drive the air cylinder 304 and the powder removing spray pipe 501 to act, and part of the powder carried by the push plate is removed.

The working principle and the working process of the utility model are as follows:

the feeding device loads powder into the conveying pipe, when the pipe chain 6 in the conveying pipe drives the powder to move rightwards to enter the material distributing pipe 2, the sensor 202 obtains the distance from the top of the powder pile to the sensor and uploads the distance to the upper computer in real time, and the upper computer judges whether the powder carried in the conveying push plate is too much.

If the judgment is that the powder removing device is used, the driving air cylinder 304 and the powder removing spray pipe 501 are started, the single rod extends out to drive the rack 303 to move downwards, the rack 303 enables the first supporting rod 401 to rotate forwards through the gear 302, the front sleeve and the reverse sleeve are close to each other, the sealing cover 404 is slowly opened and exposes out of the first discharge port 201, the powder removing spray pipe 501 and the standby spray pipe 5011 are driven by the front sleeve and the reverse sleeve to be close to each other, the outlet end of the powder removing spray pipe 501 moves rightwards along with the conveying push plate, and powder carried by the conveying push plate is continuously blown into the material distributing shell 1.

The single rod retracts after being completely extended, the powder removing spray pipe 501 is closed, the standby spray pipe 5011 is opened (if the powder removing spray pipe 5011 is used for shunting, the standby spray pipe 5011 is continuously opened), powder carried by the conveying push plate is continuously blown into the material distribution shell 1 during the process that the standby spray pipe 5011 moves rightwards, the standby spray pipe 5011 is closed while the single rod retracts completely, the sealing cover 404 seals the first discharge port 201, and the powder in the material distribution shell 1 is discharged from the second discharge port 101.

The powder removing nozzle 501 is in a closed state in the process of returning to the original position, namely, powder carried by a conveying push plate cannot be blown out in the process. When the feeding device continuously acts, the shunting function is realized.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.

Claims

1. The powder distributing device is characterized by comprising a distributing shell (1), wherein a distributing pipe (2) penetrates through the distributing shell (1), a first discharge hole (201) for discharging redundant powder is formed in the top surface of the middle section of the distributing pipe (2), a spray pipe mechanism (5) for blowing the redundant powder out of the distributing pipe (2) and a sealing mechanism (4) for sealing the first discharge hole (201) are installed in the distributing shell (1), and a power mechanism (3) for enabling the sealing mechanism (4) to act is installed on the front end face of the distributing shell (1);

sealing mechanism (4) including circular-arc and hug closely sealed lid (404) and the first bracing piece (401) of axial pivoted of branch material pipe (2) top surface, the link activity of sealed lid (404) is cup jointed in first bracing piece (401) outside, screw thread cover (402) on first bracing piece (401) has been cup jointed, cover (402) swing joint has uncap pole (403) one end, other end swing joint in sealed lid (404) top surface.

2. The powder distributing device of claim 1, wherein both ends of the cover opening rod (403) are movably connected with the sealing cover (404) and the cover opening sleeve (402) through universal joints.

3. The powder distributing device according to claim 1, wherein the nozzle mechanism (5) comprises a powder removing nozzle (501), one end of the powder removing nozzle (501) is movably connected with the distributing shell (1), and the other outlet end is arranged towards the first discharging port (201);

the outer wall of the cover opening sleeve (402) is movably provided with a positioning sleeve (502) which is used for enabling the powder removing spray pipe (501) to horizontally rotate, and the positioning sleeve (502) is movably sleeved on the middle section of the powder removing spray pipe (501).

4. The powder distributing device of claim 1, wherein one end of the first supporting rod (401) extends out of the front end face of the distributing shell (1), and the power mechanism (3) comprises a driving cylinder (304);

the extension end of the driving cylinder (304) is provided with a rack (303), the extension end of the first supporting rod (401) is provided with a gear (302), and the rack (303) is meshed with the gear (302).

5. The powder distributing device of claim 4, wherein the power mechanism (3) comprises a mounting frame (301), a first mounting plate fixedly connected with the upper end of the driving cylinder (304) is arranged at the upper end of the mounting frame, and a second mounting plate is arranged at the left end of the mounting frame (301);

offer mounting hole and the slide opening that is used for installing trachea (305) on the second mounting panel, the joint has the middle section of engaging lug in the slide opening, engaging lug one end and rack (303) fixed connection, the other end and the extension bar fixed connection who drives actuating cylinder (304).

6. The powder distributing device of claim 1, wherein a sensor (202) for detecting powder conveying amount is fixedly mounted on the top surface of the input end of the distributing pipe (2) in a sealing manner.

7. The powder distributing device of claim 1, wherein a second discharge hole (101) for connecting with external equipment is formed in the side wall of the lower end of the distributing shell (1), and the bottom surface of the distributing shell (1) is obliquely arranged.

8. The powder distributing device according to any one of claims 1 to 7, wherein the first support rod (401) is provided with a positive thread and a negative thread, and the cover opening sleeve (402) comprises a positive sleeve and a negative sleeve;

the outer sides of the positive thread and the reverse thread are respectively sleeved with a positive sleeve and a reverse sleeve, and the positive sleeve and the reverse sleeve are movably connected with two ends of a sealing cover (404) through a cover opening rod (403).

9. The powder distributing device according to claim 8, wherein a spare nozzle (5011) having the same installation mode as the powder removing nozzle (501) is installed in the distributing shell (1), and the middle sections of the powder removing nozzle (501) and the spare nozzle (5011) are respectively sleeved in the positioning sleeves (502) below the front sleeve and the back sleeve.

10. The powder distributing device of claim 8, wherein the first discharging hole (201) is of a trapezoidal structure.