CN219585333U

CN219585333U - Vacuum negative pressure feeding equipment

Info

Publication number: CN219585333U
Application number: CN202223395969.2U
Authority: CN
Inventors: 朱小云; 张伟民
Original assignee: Zhejiang Hongtian New Material Technology Co ltd
Current assignee: Zhejiang Hongtian New Material Technology Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-08-25
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses vacuum negative pressure feeding equipment, which has the technical scheme that: the device comprises a conical hopper, wherein the conical hopper is of a structure with a large upper part and a small lower part, the lower end of the conical hopper is connected with a discharging pipe, the lower end of the discharging pipe is connected with a transverse conveying pipe, one end of the conveying pipe is a negative pressure end and is connected with a negative pressure tank for sucking out materials in the conical hopper in vacuum; the upper side of the conveying pipe is connected with an inclined pipe, the inclined pipe is positioned between the discharging pipe and the negative pressure end of the conveying pipe, and the upper end of the inclined pipe is obliquely arranged back to the direction of the discharging pipe; the dredging mechanism is arranged at the upper end of the inclined tube and comprises a backflushing air pipe, and the backflushing air pipe is connected with a high-pressure air source and used for backflushing and dredging the conveying tube and the discharging tube. The utility model can be used for smoothly feeding the vacuum negative pressure, and avoids the situation that a feeding pipeline is blocked.

Description

Vacuum negative pressure feeding equipment

Technical Field

The utility model relates to negative pressure feeding equipment, in particular to vacuum negative pressure feeding equipment.

Background

In the mixing process of powder materials, the split-packed powder materials are firstly required to be put into a uniform stirring and mixing tank, and then the powder materials are mixed and stirred. In the feeding process of powder materials, a vacuum adsorption feeding mode is generally adopted, namely, bagged materials are firstly fed into a hopper and then are adsorbed through a negative pressure pipeline, the materials are discharged from the negative pressure pipeline, and the summary feeding of the bagged materials is realized.

At present, the vacuum feeding equipment often adopts a conical bucket-shaped structure, a material pipe is connected to the lower end of a conical bucket, the lower end of the conical bucket is easy to produce material accumulation and compaction, and in the feeding process, the material is easy to produce blockage at the position of the discharging position of the lower end of the conical bucket, so that the smoothness of vacuum adsorption is affected. Moreover, because the feeding equipment is often directly placed on the bottom surface, the material is conveniently carried by operators, and the pipeline at the lower end of the conical hopper is often bent, so that the material is led out upwards. At this bend, a greater conveying resistance will be created, which in turn greatly increases the likelihood of blockage at the lower end of the cone.

There is therefore a need to propose a new solution to this problem.

Disclosure of Invention

The utility model aims to solve the problems and provide vacuum negative pressure feeding equipment which can be used for avoiding the situation that a feeding pipeline is blocked due to smoothness of a vacuum negative pressure feeding process.

The technical aim of the utility model is realized by the following technical scheme: the vacuum negative pressure feeding equipment comprises a conical hopper, wherein the conical hopper is of a structure with a large upper part and a small lower part, the lower end of the conical hopper is connected with a discharging pipe, the lower end of the discharging pipe is connected with a transverse conveying pipe, one end of the conveying pipe is a negative pressure end and is connected with a negative pressure tank for sucking out materials in the conical hopper in a vacuum manner; the upper side of the conveying pipe is connected with an inclined pipe, the inclined pipe is positioned between the discharging pipe and the negative pressure end of the conveying pipe, and the upper end of the inclined pipe is obliquely arranged back to the direction of the discharging pipe; the dredging mechanism is arranged at the upper end of the inclined tube and comprises a backflushing air pipe, and the backflushing air pipe is connected with a high-pressure air source and used for backflushing and dredging the conveying tube and the discharging tube.

The utility model is further arranged that the inclined pipe and the conveying pipe are inclined at 30-45 degrees.

The utility model is further arranged that a valve I is arranged on the blanking pipe; and a valve II is arranged between the conveying pipe and the position corresponding to the position between the inclined pipe and the negative pressure end.

The utility model further provides that one end of the conveying pipe, which is back to the negative pressure end, is an extension end, and a dredging mechanism is also arranged on the extension end.

The dredging mechanism further comprises a cover body, and the recoil air pipe penetrates through the cover body and stretches into the corresponding pipeline and is provided with an air tap.

The utility model is further arranged that the cover body comprises a threaded section and an end cover, wherein the threaded section is used for corresponding pipeline threaded connection, the end cover is positioned at one end of the threaded section, a through mounting hole is formed in the middle of the end cover, a mounting sleeve is mounted in the mounting hole, and the mounting sleeve is in sealing connection with the mounting hole; the recoil air pipe penetrates through the mounting sleeve, and the recoil air pipe is in sealing and fixed connection with the mounting sleeve.

The utility model is further characterized in that the two ends of the mounting sleeve are respectively provided with a first baffle ring and a second baffle ring, the first baffle ring is fixedly connected to the periphery of one end of the mounting sleeve, the second baffle ring is in threaded connection with the periphery of the other end of the mounting sleeve, and the first baffle ring and the second baffle ring are respectively limited on the two sides of the end cover.

The utility model is further provided that a sealing ring is arranged between the end face of the first baffle ring and the end cover, and the pressing sealing is realized through the sealing ring; the first baffle ring is positioned in the threaded cylinder, and the second baffle ring is positioned outside the threaded cylinder.

The utility model is further arranged that the periphery of one end of the recoil air pipe extending into the threaded cylinder is fixedly connected with a limiting sleeve, and the limiting sleeve and the mounting sleeve are mutually propped and positioned.

The utility model further provides a box body, wherein the box body is arranged above the conical hopper, the lower end of the box body is communicated with the upper end of the conical hopper, and one side of the box body is provided with a box door which can be opened and closed; a dust remover is arranged above the inner side of the box body.

In summary, the utility model has the following beneficial effects:

through installing the inclined tube on the conveyer pipe, the upper end of inclined tube is the inclined state of the unloading pipe direction dorsad, installs the mediation mechanism in the upper end position of inclined tube, can carry out the recoil to the conveying pipeline through the recoil trachea of mediation mechanism, can carry out the recoil mediation, avoids unloading pipe and conveying pipeline junction of buckling to produce the condition of jam.

The inclined tube is 30-45 degrees with the material conveying tube, so that the obstruction generated between the high-pressure gas and the pipeline can be reduced, and the dredging effect on the joint of the conveying tube and the material discharging tube can be further achieved.

Through all installing dredging mechanism on extension end and inclined tube, two sets of valves of cooperation can carry out recoil mediation in the hooper lower extreme connected position, and then can protect the pay-off stability and the smoothness nature of toper fill output position.

Drawings

FIG. 1 is a schematic structural view of a vacuum negative pressure feeding apparatus according to the present utility model;

fig. 2 is a schematic structural view of the dredging mechanism of the utility model.

Reference numerals: 1. a case; 2. a conical hopper; 3. discharging pipes; 4. a material conveying pipe; 5. a valve I; 6. a second valve; 7. a chute; 8. an extension end; 9. a cover body; 10. recoil air tube; 11. a door; 12. a thread cylinder; 13. an end cap; 14. a sealing gasket; 15. a mounting hole; 16. a mounting sleeve; 17. a first baffle ring; 18. a seal ring; 19. a second baffle ring; 20. a limit sleeve; 21. an air tap.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but 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.

The embodiment discloses vacuum negative pressure feeding equipment, as shown in fig. 1, including toper fill 2, toper fill 2 is big-end-up structure, and the lower extreme of toper fill 2 is connected with unloading pipe 3, and the lower extreme of unloading pipe 3 is connected with horizontal conveying pipeline 4. The feed pipe 4 is used for outputting powdery materials falling from the conical hopper 2. One end of the material conveying pipe 4 is a negative pressure end and is connected with a negative pressure tank, and the material conveying pipe 4 can vacuum out the materials in the conical hopper 2 by taking negative pressure as power, so that the vacuum discharging of the materials is realized.

The upper side of the conveying pipe 4 is connected with an inclined pipe 7, the inclined pipe 7 is positioned between the discharging pipe 3 and the negative pressure end of the conveying pipe 4, the upper end of the inclined pipe 7 is inclined back to the direction of the discharging pipe 3, and the inclined pipe 7 and the conveying pipe 4 are inclined at 30-45 degrees. A dredging mechanism is arranged at the upper end of the inclined tube 7, the dredging mechanism comprises a recoil air tube 10, and the recoil air tube 10 is connected with a high-pressure air source. When the feeding pipe 4 and the discharging pipe 3 are blocked, the feeding pipe 4 can be backflushed through the backflushing air pipe 10, backflushing dredging can be performed, and the blocking of the bending joint of the discharging pipe 3 and the feeding pipe 4 is avoided.

When the high-pressure gas is introduced into the recoil gas pipe 10, the gas enters the blanking pipe 3 from the inclined pipe 7, and the position of the lower end of the conical hopper 2 can be dredged. In addition, as the inclined pipe 7 and the material conveying pipe 4 are 30-45 degrees, the obstruction generated between high-pressure gas and the pipeline can be reduced, and the dredging effect on the joint of the conveying pipe and the material discharging pipe 3 can be further achieved.

A valve II 6 is arranged at the position between the conveying pipe 4 corresponding to the inclined pipe 7 and the negative pressure end, and the connection between the conveying pipe 4 and the negative pressure tank can be disconnected through the valve II 6, so that a negative pressure air source can be blocked. Furthermore, the inclined tube 7 is in the process of backflushing treatment, the influence of negative pressure can be cut off, the effect of high-pressure backflushing is ensured, and stable and effective dredging can be realized.

Further, as shown in fig. 1, an end of the conveying pipe facing away from the negative pressure end is an extension end 8, the extension end 8 passes over the blanking pipe 3, and a dredging mechanism is also installed at the end position of the extension end 8. The dredging mechanism can conduct high-pressure dredging to the inner direction of the conveying pipe.

A valve I5 is arranged on the blanking pipe 3, and the connection between the lower end of the blanking pipe 3 and the conical hopper 2 can be disconnected through the valve I5. Furthermore, the high-pressure recoil gas inputted from the extension end 8 can smoothly convey the conveying pipe, and further the joint between the conveying pipe and the blanking pipe 3 can be stably and effectively dredged.

Through the mutual cooperation of the two groups of dredging mechanisms, the dredging effect can be achieved at the connecting position of the blanking pipe 3 and the conveying pipe, and then the pipeline can be kept normally. When the pipeline is blocked, the two groups of dredging mechanisms can work respectively, and the pipeline is kept smooth by conducting air inflation dredging through high-pressure air, so that the blocking is avoided.

As shown in fig. 2, the dredging mechanism further includes a cover 9, the covers 9 in the two groups of dredging structures can be connected with corresponding pipelines respectively, that is, the cover 9 of one group of dredging mechanisms is connected with the upper end of the inclined tube 7, and the cover 9 of the other group of dredging mechanisms is connected with the end of the extending end 8, so that the cover 9 can be disassembled. The recoil air pipe 10 of the dredging mechanism penetrates through the cover body 9, stretches into the corresponding pipeline and is provided with the air tap 21, and then the air tap 21 can realize high-pressure gas injection, so that the effect of dredging the pipeline in recoil is achieved.

Specifically, the cover 9 includes a threaded section and an end cap 13, wherein an internal thread is provided in the threaded section, an external thread is formed at the end of the corresponding pipe, and the cover 9 is in threaded connection with the corresponding pipe through the threads. One end of the threaded section is open, and an end cap 13 is fixed to the other end of the threaded section. A through mounting hole 15 is formed in the middle of the end cover 13, and a mounting sleeve 16 is mounted in the mounting hole 15 and is in sealing connection with the mounting hole 15. The recoil air pipe 10 passes through the mounting sleeve 16, the recoil air pipe 10 and the mounting sleeve 16 are mutually fixed, and the sealing joint is kept sealed, so that the condition of air leakage is avoided. The inner periphery of the mounting sleeve 16 and the recoil air pipe 10 can be bonded with each other to form an integral structure, or can be bonded by adopting a hot melting mode to form an integral structure, and the mounting sleeve and the recoil air pipe are fixedly connected and sealed.

The two ends of the installation sleeve 16 are respectively provided with a first baffle ring 17 and a second baffle ring 19, the first baffle ring 17 is fixedly connected to the periphery of one end of the installation sleeve 16, the second baffle ring 19 is in threaded connection with the periphery of the other end of the installation sleeve 16, and the first baffle ring 17 and the second baffle ring 19 are respectively limited on two sides of the end cover 13.

When in installation, the first baffle ring 17 is positioned in the threaded cylinder 12, the installation sleeve 16 is penetrated from the through hole in the middle of the end cover 13, and the second baffle ring 19 is in threaded connection with the other end of the installation sleeve 16 and positioned at the outer side of the cover body 9. In order to realize the sealing between the mounting sleeve 16 and the end cover 13, a sealing ring 18 is arranged between the end face of the first baffle ring 17 and the end cover 13, and is screwed up through threads of the second baffle ring 19, the first baffle ring 17 and the second baffle ring 19 can apply a pressing force to the end cover 13, the sealing ring 18 is clamped between the first baffle ring 17 and the end cover 13, so that the pressing sealing is realized, and the elasticity of the sealing ring 18 applies pressure between the threads, so that the tightness of the threaded connection of the position is maintained, and the connection stability between the mounting sleeve 16 and the end cover 13 is maintained.

Since the recoil gas pipe 10 generates a reverse thrust during the gas injection, it is necessary to maintain the connection stability between the recoil gas pipe 10 and the end cap 13. The area of the first baffle ring 17 is larger, and the first baffle ring 17 can be prevented from being separated from the through hole in the middle of the end cover 13. And, stretch into threaded cylinder 12's one end periphery fixedly connected with stop collar 20 at recoil trachea 10, support each other between stop collar 20 and the installation cover 16 and press the location, and then can transmit the load between stop collar 20 and the fender ring one 17 of installation cover 16, can disperse the load of thrust conversely, and then play recoil trachea 10's installation stability.

Further, this vacuum negative pressure batch charging equipment still includes box 1, and this box 1 installs in the top of toper fill 2, and box 1 lower extreme communicates each other with toper fill 2 upper ends, and when throwing the material, put into box 1 with the bagged materials of opening, can enter into in the middle of the toper fill 2 voluntarily. Then, through negative pressure absorption, the material negative pressure in the middle of the conical hopper 2 can be discharged, and negative pressure throwing of the material is realized.

A box door 11 which can be opened and closed is arranged on one side of the box body 1, when the material is fed, the box body 1 can be opened by negative pressure adsorption to stop working, and the bagged material is fed into the box body 1; after the material is fed, the box door 11 is closed, the box body 1 can be closed, and the condition that powder dust is generated during negative pressure material feeding is reduced.

Further, the dust remover is installed above the inner side of the box body 1, and works before the box door 11 is opened, so that part of dust in the box body 1 can be adsorbed, and dust pollution caused by opening of the box door 11 is reduced.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The vacuum negative pressure feeding equipment comprises a conical hopper (2), wherein the conical hopper (2) is of a structure with a large upper part and a small lower part, the lower end of the conical hopper (2) is connected with a discharging pipe (3), the lower end of the discharging pipe (3) is connected with a transverse conveying pipe (4), one end of the conveying pipe (4) is a negative pressure end and is connected with a negative pressure tank for sucking out materials in the conical hopper (2) in a vacuum manner; the automatic feeding device is characterized in that an inclined tube (7) is connected to the upper side of the conveying tube (4), the inclined tube (7) is positioned between the discharging tube (3) and the negative pressure end of the conveying tube (4), and the upper end of the inclined tube (7) is obliquely arranged in the direction opposite to the discharging tube (3); the dredging mechanism is arranged at the upper end of the inclined tube (7), and comprises a backflushing air tube (10), wherein the backflushing air tube (10) is connected with a high-pressure air source and is used for backflushing and dredging the conveying tube (4) and the discharging tube (3).

2. Vacuum negative pressure feeding device according to claim 1, characterized in that the inclined tube (7) is inclined at 30 ° -45 ° to the feed conveyor tube (4).

3. The vacuum negative pressure feeding equipment according to claim 1, wherein a valve I (5) is arranged on the blanking pipe (3); and a valve II (6) is arranged between the conveying pipe (4) and the position corresponding to the inclined pipe (7) and the negative pressure end.

4. The vacuum negative pressure feeding equipment according to claim 1, wherein one end of the conveying pipe (4) facing away from the negative pressure end is an extension end (8), and a dredging mechanism is also arranged on the extension end (8).

5. A vacuum negative pressure feeding device according to claim 1 or 4, wherein the dredging mechanism further comprises a cover body (9), and the recoil air pipe (10) penetrates through the cover body (9) and stretches into the corresponding pipeline and is provided with an air tap (21).

6. The vacuum negative pressure feeding equipment according to claim 5, wherein the cover body (9) comprises a threaded section and an end cover (13), the threaded section is used for corresponding pipeline threaded connection, the end cover (13) is positioned at one end of the threaded section, a through mounting hole (15) is formed in the middle of the end cover (13), a mounting sleeve (16) is mounted in the mounting hole (15), and the mounting sleeve is in sealing connection with the mounting hole (15); the recoil air pipe (10) penetrates through the mounting sleeve (16), and the recoil air pipe (10) is in sealing and fixed connection with the mounting sleeve (16).

7. The vacuum negative pressure feeding equipment according to claim 6, wherein a first baffle ring (17) and a second baffle ring (19) are respectively arranged at two ends of the mounting sleeve (16), the first baffle ring (17) is fixedly connected to the periphery of one end of the mounting sleeve (16), the second baffle ring (19) is in threaded connection with the periphery of the other end of the mounting sleeve (16), and the first baffle ring (17) and the second baffle ring (19) are respectively limited at two sides of the end cover (13).

8. The vacuum negative pressure feeding equipment according to claim 7, wherein a sealing ring (18) is arranged between the end face of the first baffle ring (17) and the end cover (13), and the abutting sealing is realized through the sealing ring (18); the first baffle ring (17) is positioned in the threaded cylinder (12), and the second baffle ring (19) is positioned outside the threaded cylinder (12).

9. The vacuum negative pressure feeding equipment according to claim 7, wherein a limiting sleeve (20) is fixedly connected to the periphery of one end of the recoil air pipe (10) extending into the threaded cylinder (12), and the limiting sleeve (20) and the mounting sleeve (16) are mutually pressed and positioned.

10. The vacuum negative pressure feeding equipment according to claim 1, further comprising a box body (1), wherein the box body (1) is arranged above the conical hopper (2), the lower end of the box body (1) is communicated with the upper end of the conical hopper (2), and an openable box door (11) is arranged on one side of the box body (1); a dust remover is arranged above the inner side of the box body (1).