CN217253894U

CN217253894U - Rotatory suction device of welding smoke and dust collecting system

Info

Publication number: CN217253894U
Application number: CN202221047264.9U
Authority: CN
Inventors: 张建军; 杨浩; 戴子明; 周小鹏
Original assignee: Jinan Sanke Pump Industry Co ltd
Current assignee: Jinan Sanke Pump Industry Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-08-23
Anticipated expiration: 2032-04-24

Abstract

The utility model discloses a rotatory suction device of welding smoke and dust collecting system relates to welding dust removal technical field, has solved the big problem of current welding dust extraction limitation, has improved adaptability, has guaranteed the suction effect, and concrete scheme is as follows: including main exhaust column and along a plurality of dust absorption pipes that main exhaust column length direction interval set up in proper order, the dust absorption pipe is taken over by first on take over, first takeover, second under take over, the second is gone up and is taken over between, the second is taken over under first and is gone up and all is connected through rotary joint between the takeover, first vertical fixed setting of takeover is in main exhaust column bottom, first takeover and second down between the takeover through violently union coupling, the second is gone up and is taken over the top that is located the second and takes over, and the second is gone up and is taken over the one end of keeping away from the second and taking over under one end through induced draft hose and suction hood fixed connection.

Description

Rotatory suction device of welding smoke and dust collecting system

Technical Field

The utility model belongs to the technical field of the welding dust removal technique and specifically relates to a rotatory suction device of welding smoke and dust collecting system.

Background

The statements herein merely provide background related to the present disclosure and may not necessarily constitute prior art.

Many machining manufacturing enterprises require welding processes. During welding, a large amount of fumes is generated, and the fumes need to be collected and purified.

The inventor finds that most of welding smoke collecting devices in the prior art are fixedly installed, welding places are limited, suction heads cannot move flexibly, the suction effect is poor, and some smoke is inevitably emitted to the air; in addition, a plurality of suction devices are needed during welding at a plurality of positions, the investment of environment-friendly equipment is large, the use cost is greatly increased, and the burden is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rotatory suction device of welding smoke and dust collecting system, main exhaust pipe and a plurality of dust absorption union coupling that can rotate, the smoke and dust that each welding point produced collects main exhaust pipe through the dust absorption pipe, has solved the big problem of current welding dust extraction limitation.

In order to achieve the above purpose, the present invention is realized by the following technical solution:

in a first aspect, the embodiment of the utility model provides a rotatory suction device of welding smoke and dust, including main exhaust pipe and along a plurality of dust absorption pipes that main exhaust pipe length direction interval set gradually, the dust absorption pipe is taken over by first on takeover, first takeover, second down, and the second is gone up the takeover and is constituteed, all is connected through rotary joint between first on takeover and the first takeover, under the second takeover and the second on the takeover, first vertical fixed setting of takeover is in main exhaust pipe bottom, and first takeover and second are taken over down through horizontal union coupling, the top of takeover under being located the second on the second, and the takeover is kept away from under the second one end of takeover through induced draft hose and suction hood fixed connection on the second.

As a further implementation manner, the first lower connecting pipe, the second lower connecting pipe and the second upper connecting pipe are all of bent pipe structures.

As a further implementation manner, the rotary joint is composed of an inner pipe and an outer pipe, the inner pipe is located inside the outer pipe, the inner pipe and the outer pipe are coaxially arranged, and one end of the inner pipe extends out of the outer pipe.

As a further implementation, the ends of the inner tube and the outer tube are fixedly connected with the adjacent ends of the connecting tubes respectively.

As a further implementation mode, a plurality of annular grooves are formed between the inner pipe and the outer pipe, the grooves are arranged at intervals, and a plurality of steel balls are arranged in the grooves.

As a further implementation manner, two circumferential seal grooves are formed in the outer side wall of the inner pipe, the plurality of grooves are located between the two seal grooves, and seal rings are fixedly arranged in the seal grooves.

As a further implementation mode, the outer pipe is provided with a threaded hole, the threaded hole is communicated with the groove, and a bolt is installed in the threaded hole.

As a further implementation mode, the ends of the inner pipe and the outer pipe, which are connected with the connecting pipe, are provided with folded edges.

In a second aspect, an embodiment of the present invention provides a dust collecting system, which utilizes the above-mentioned rotary suction device for welding fume.

As a further implementation mode, the device comprises a dust remover and an induced draft fan, wherein one end of the dust remover is connected with the induced draft fan, and the other end of the dust remover is connected with a main exhaust pipe.

Above-mentioned the utility model has the advantages as follows:

1) the utility model discloses main exhaust pipe is connected with a plurality of dust absorption union couplings that can rotate, and the smoke and dust that each welding point produced collects main exhaust pipe through the dust absorption pipe, has enlarged the working range of dust absorption greatly, has improved adaptability.

2) The utility model discloses be equipped with two rotary joint on the single dust absorption pipe, different rotary joint's diameter of revolution is different for single dust absorption pipe has different diameter of revolution, has further improved the adaptability of dust absorption pipe.

3) The utility model discloses the dust absorption pipe is connected with the suction hood through the hose that induced drafts for the suction hood can carry out vertical and horizontal upward combined motion, further expansion the adaptability of device.

4) The utility model discloses the dust absorption pipeline at rotary joint both ends can rotate relatively, and seals through the sealing washer before rotary joint's the interior outer tube, when having guaranteed the rotation ability, has avoided the leakage of smoke and dust, has guaranteed rotary joint's sealing ability.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.

Fig. 1 is a schematic view of the overall structure of a welding fume rotary suction device according to one or more embodiments of the present invention;

FIG. 2 is a schematic view of a suction hose according to one or more embodiments of the present invention;

fig. 3 is a schematic cross-sectional view of a first rotary joint according to one or more embodiments of the present invention;

in the figure: the mutual spacing or size is exaggerated to show the position of each part, and the schematic diagram is only used for illustration;

wherein, 1, a main exhaust duct; 2. a first dust suction pipe; 3. a second dust suction pipe; 4. a third dust suction pipe; 5. a first upper adapter tube; 6. a first rotary joint; 7. a first lower adapter tube; 8. a transverse tube; 9. a second lower adapter tube; 10. a second rotary joint; 11. a second upper adapter tube; 12. a dust hood; 13. a suction hose; 14. a first seal ring; 15. a first steel ball; 16. a second steel ball; 17. a second seal ring; 18. a first bolt; 19. an inner tube; 20. an outer tube; 21. a second bolt; 22. and a third bolt.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. 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.

As described in the background art, most of the welding fume collecting devices in the prior art are fixedly installed, welding places are limited, suction heads cannot move flexibly, the suction effect is poor, and some fume is inevitably emitted into the air; in addition, need use many suction devices when many places welding, environmental protection equipment investment is big, has increased the problem of enterprise's burden, for solving above-mentioned problem, the utility model provides a rotatory suction device of welding smoke and dust collecting system.

Example 1

In a typical embodiment of the present invention, as shown in fig. 1-3, a rotary suction device for welding fume is provided, which comprises a main exhaust duct 1 and a plurality of dust suction pipes disposed on the main exhaust duct 1.

As shown in fig. 1, a plurality of dust-absorbing pipes are fixedly arranged at the bottom of a main exhaust pipe 1, in this embodiment, three dust-absorbing pipes are taken as an example, and are respectively a first dust-absorbing pipe 2, a second dust-absorbing pipe 3 and a third dust-absorbing pipe 4, the first dust-absorbing pipe 2, the second dust-absorbing pipe 3 and the third dust-absorbing pipe 4 are all arranged at the bottom of the main exhaust pipe 1, and the first dust-absorbing pipe 2, the second dust-absorbing pipe 3 and the third dust-absorbing pipe 4 are sequentially arranged at intervals along the length direction of the main exhaust pipe 1.

It is understood that in other embodiments, four, five or even more than four suction pipes may be provided, and the specific number of the suction pipes needs to be selected according to actual requirements, which is not limited herein.

As shown in fig. 2, the dust suction pipe is composed of a first upper connection pipe 5, a first lower connection pipe 7, a horizontal pipe 8, a second lower connection pipe 9, a second upper connection pipe 11, a suction hose 13 and a dust hood 12, wherein the first upper connection pipe 5 and the first lower connection pipe 7, and the second lower connection pipe 9 and the second upper connection pipe 11 are connected through rotary joints.

Specifically, the top of the first upper connecting pipe 5 is fixedly connected with the bottom of the main exhaust pipe 1, the first upper connecting pipe 5 is vertically arranged, and the bottom of the first upper connecting pipe 5 is rotatably connected with the first lower connecting pipe 7 through the first rotary joint 6;

the first lower connecting pipe 7 is of a bent pipe structure and plays a role in transition, one end of the first lower connecting pipe 7 is rotatably connected with the first upper connecting pipe 5 through the first rotating structure 6, and the other end of the first lower connecting pipe 7 is fixedly connected with one pipe orifice of the transverse pipe 8;

the transverse pipe 8 is horizontally arranged, one end of the transverse pipe 8, far away from the first lower connecting pipe 7, is fixedly connected with the second lower connecting pipe 9, the second lower connecting pipe 9 is also of a bent pipe structure and plays a role in transition, and a pipe orifice of one end of the second lower connecting pipe 9, far away from the transverse pipe 8, is rotatably connected with the second upper connecting pipe 11 through the second rotary joint 10;

the second upper connecting pipe 11 is also of a bent pipe structure, the second upper connecting pipe 11 is located above the second lower connecting pipe 9, one end, far away from the second lower connecting pipe 9, of the second upper connecting pipe 11 is connected with the dust hood 12 through the air suction hose 13, and the opening of the dust hood 12 is arranged downwards.

The rotation angles of the first rotary joint 6 and the second rotary joint 10 are both 360 degrees, the first rotary joint 6 can drive the whole pipeline of the first lower connecting pipe 7, the transverse pipe 8, the second lower connecting pipe 9, the second rotary joint 10, the second upper connecting pipe 11, the air suction hose 13 and the dust hood 12 to rotate within a large diameter range; the second rotary joint 10 can drive the whole pipeline of the second upper connecting pipe 11, the air suction hose 13 and the dust hood 12 to rotate within a small diameter range, for example, when the first rotary joint 6 is used as a rotary shaft, the rotary diameter is 4-8 m; when the second rotary joint 10 is used as a rotary shaft, the rotary diameter is 2-4 m.

It is understood that the rotating diameters of the first rotating joint 6 and the second rotating joint 10 are determined according to the lengths of the pipelines connected with the rotating joints in sequence, and the embodiment is only given specific values for easy understanding, and the specific rotating diameters are not limited too much here.

First rotary joint 6 and second rotary joint 10 are used for the ascending adjustment of suction hood 12 horizontal direction, and the hose 13 that induced drafts is used for the vertical ascending adjustment of suction hood 12, through first rotary joint 6, second rotary joint 10 and the cooperation of the hose 13 that induced drafts, has made things convenient for the position control of suction hood 12 greatly for suction hood 12 can be nimble be close to welding area, has guaranteed suction device's dust absorption effect.

It should be noted that the air suction hose 13 can be adjusted not only vertically but also horizontally, and in order to achieve the above effects, the air suction hose 13 can be a pipe of a structure type such as a telescopic hose, and the specific pipe type is selected according to actual design requirements.

The first rotary joint 6 and the second rotary joint 10 have the same structure, and the structure of the first rotary joint 6 is specifically described in this embodiment, as shown in fig. 3:

the first rotary joint 6 is composed of an inner tube 19 and an outer tube 20, the inner tube 19 is located inside the outer tube 20, one end of the inner tube 19 extends out of the outer tube 20, the inner tube 19 and the outer tube 20 are coaxially arranged, and relative rotation can occur between the inner tube 19 and the outer tube 20.

One end of each of the inner tube 19 and the outer tube 20 is provided with a folded edge, specifically, as shown in fig. 3, the top end of the outer tube 20 is provided with a folded edge, the bottom end of the inner tube 19 extends out of the outer tube 20 and is provided with a folded edge, and the top end of the outer tube 20 is fixedly connected with the bottom end of the first upper connecting tube 5, so that the first upper connecting tube 5 can synchronously rotate along with the outer tube 20; the inner pipe 19 is located inside the outer pipe 20, and the bottom end of the inner pipe 19 is fixedly connected with the top end of the first lower connecting pipe 7, so that the first lower connecting pipe 7 can rotate synchronously with the inner pipe 19.

Wherein, the inner tube 19 and the first lower connecting tube 7, the outer tube 20 and the first upper connecting tube 5 are connected by bolt fixing mode at one end with folded edges, so as to ensure the firmness and the tightness of the connection.

As shown in fig. 3, the outer pipe 20 is fixedly connected with the first upper connecting pipe 5 through a first bolt 18, and the inner pipe 19 is fixedly connected with the first lower connecting pipe 7 through a first bolt 18.

The inner pipe 19 is rotatably connected with the outer pipe 20 through a steel ball, and is used for reducing friction when the inner pipe 19 and the outer pipe 20 rotate, wherein a plurality of first grooves are arranged on the outer side wall of the inner pipe 19 along the circumferential direction of the inner pipe, and are arranged at intervals along the length direction of the inner pipe 19;

similarly, the inner side wall of the outer pipe 20 is provided with a plurality of second grooves along the circumferential direction, the second grooves on the outer pipe 20 correspond to the first grooves on the inner pipe 19 one by one, and a plurality of steel balls are arranged between the corresponding first grooves and the second grooves to limit the positions of the steel balls.

As shown in fig. 3, in this embodiment, two first grooves are disposed on the outer side wall of the inner tube 19, two second grooves are disposed on the corresponding inner side wall of the outer tube 20, a plurality of first steel balls 15 are disposed in the first grooves and the second grooves on the upper portion, and a plurality of second steel balls 16 are disposed in the first grooves and the second grooves on the lower portion.

Still be equipped with the screw hole on the outer tube 20, the recess intercommunication on screw hole and the outer tube 20 inside wall, steel ball accessible screw hole put into the recess, specifically as shown in fig. 3, two second recesses on the outer tube 20 inside wall all communicate threaded hole, the steel ball passes through the screw hole and puts into in the second recess to utilize the bolt (shown second bolt 21 in fig. 3, third bolt 22) to carry out the shutoff, in order to prevent that the steel ball from dropping from the threaded hole.

It can be understood that every recess can correspond and set up a screw hole, also can correspond and set up a plurality of screw hole, when setting up a plurality of screw holes, needs to make the screw hole evenly set up along the hoop of outer tube 20, and the concrete quantity that sets up of screw hole selects according to actual need, does not do too much restriction here.

Still be equipped with twice seal groove on the lateral wall of inner tube 19, the seal groove sets up along the hoop of inner tube 19 lateral wall, and a plurality of first recesses on the inner tube 19 all are located between twice seal groove, and the seal groove is used for the fixed mounting of sealing washer.

As shown in fig. 3, a first seal ring 14 is disposed in the upper seal groove, a second seal ring 17 is disposed in the lower seal groove, and both the first seal ring 14 and the second seal ring 17 are O-shaped rubber seal rings, in other embodiments, the first seal ring 14 and the second seal ring 17 may have other structural forms, as long as the inner tube 19 and the outer tube 20 can be sealed, so as to prevent the smoke at the two ends of the inner tube 19 from flowing out through the gap between the inner tube 19 and the outer tube 20, and ensure the sealing performance of the rotary joint.

The inner pipe 19, the outer pipe 20 and the steel balls between the two are combined together to form a structure similar to a bearing, so that the dust suction pipelines at the two ends of the rotary joint can rotate relatively, the adjusting capacity of the dust suction pipelines is guaranteed, and leakage of smoke dust is avoided through sealing of the sealing ring.

Example 2

The utility model discloses an in another typical implementation, a dust collecting system has been proposed, has utilized embodiment 1 rotatory suction device of welding smoke and dust, include, dust remover and draught fan, wherein the one end and the draught fan of dust remover are connected, and the other end and the main exhaust column 1 of dust remover are connected, and main exhaust column 1 purifies the smoke and dust in carrying the dust remover with the smoke and dust of collecting.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a rotatory suction device of welding smoke and dust, its characterized in that, includes main exhaust pipe and follows a plurality of dust absorption pipes that main exhaust pipe length direction interval set gradually, the dust absorption pipe is taken over on first upper nozzle, first takeover, second and is taken over, the second, and take over and all be connected through rotary joint between first upper nozzle and the first takeover, take over and take over on the second under the second, the vertical fixed setting of takeover is in main exhaust pipe bottom on first, takes over and takes over under first and the second and take over between the pipe through violently the union coupling, take over on the second is located the second and takes over the top down, and the takeover one end of keeping away from the second on the second is through induced draft hose and suction hood fixed connection.

2. The rotary welding fume suction device as set forth in claim 1, wherein said first lower connecting pipe, said second lower connecting pipe and said second upper connecting pipe are each of a bent pipe structure.

3. The rotary welding fume suction device as set forth in claim 1, wherein said rotary joint is composed of an inner tube and an outer tube, said inner tube being located inside said outer tube, said inner tube being disposed coaxially with said outer tube, one end of said inner tube extending out of said outer tube.

4. The rotary welding fume suction device as set forth in claim 3, wherein the ends of said inner and outer pipes are fixedly connected to the adjacent ends of the connection pipes, respectively.

5. The rotary suction device for welding fume as claimed in claim 3, wherein a plurality of circumferential grooves are arranged between the inner pipe and the outer pipe, a plurality of grooves are arranged at intervals, and a plurality of steel balls are arranged in the grooves.

6. The rotary suction device for welding fume as claimed in claim 5, wherein two circumferential sealing grooves are arranged on the outer side wall of the inner pipe, the plurality of grooves are located between the two sealing grooves, and a sealing ring is fixedly arranged in the sealing groove.

7. The rotary welding fume suction device as claimed in claim 5, wherein said outer tube has a threaded hole, said threaded hole is in communication with the recess, and a bolt is mounted in said threaded hole.

8. The rotary welding fume suction device as set forth in claim 3, wherein the ends of said inner and outer tubes to which said adapter tube is connected are each provided with a flange.

9. A dust suction system, characterized in that a welding fume rotary suction device as claimed in any one of claims 1-8 is used.

10. The dust collection system of claim 9, comprising a dust collector and an induced draft fan, wherein one end of the dust collector is connected with the induced draft fan, and the other end of the dust collector is connected with the main exhaust duct.