CN218901236U

CN218901236U - Smoke exhaust device for injection molding workshop

Info

Publication number: CN218901236U
Application number: CN202222931371.4U
Authority: CN
Inventors: 李辉
Original assignee: Tianjin Gengchen Xinhai Technology Co ltd
Current assignee: Tianjin Gengchen Xinhai Technology Co ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-04-25
Anticipated expiration: 2032-11-01

Abstract

The utility model discloses a smoke exhaust device for an injection molding workshop, which belongs to the technical field of plastic processing, and has the technical scheme that the smoke exhaust device for the injection molding workshop comprises a transmission pipeline, a plurality of air inlets are formed in the transmission pipeline, the smoke exhaust device also comprises a transition pipeline, a filtering component and a waste gas treatment room, one end of the transition pipeline is detachably connected with the transmission pipeline relatively, a smoke exhaust machine for extracting air is connected inside the transition pipeline, the filtering component comprises a filtering box, the filtering box is positioned inside the transition pipeline and is detachably connected with the transition pipeline, active carbon for filtering air impurities is filled in the filtering box, the waste gas treatment room comprises a treatment room, and one end of the transition pipeline far away from the transmission pipeline stretches into the treatment room and is detachably connected with the side wall of the treatment room, so that the effect of reducing the air impurities discharged outside the injection molding workshop is achieved.

Description

Smoke exhaust device for injection molding workshop

Technical Field

The utility model relates to the field of plastic processing, in particular to a smoke exhaust device for an injection molding workshop.

Background

At present, plastic processing is a general term for various processes for converting synthetic resins or plastics into plastic products, and is a large production department in the plastic industry.

In the related art, plastic processing generally includes processes such as batching, molding, machining and the like of plastics, wherein the molding of plastics often adopts injection molding technology, injection molding machine utilizes plastic forming die to make thermoplastic plastics or thermosetting plastics into various plastic products, in the injection molding process, solid plastic granules can be heated into liquid and injected into plastic forming die, because the heating can lead to plastic granules to volatilize, produce harmful gas such as styrene, toluene and the like, not only pungent but also can have the injury to staff's in the workshop of moulding plastics, and the injection molding process can also produce large granule impurity and dust, often can install fume extractor in the workshop of moulding plastics, fume extractor includes transmission pipeline, offer the air inlet that is used for making in the workshop of moulding plastics be extracted into transmission pipeline on the transmission pipeline.

With respect to the related art, the inventor considers that there is a defect that the air impurities discharged to the outside of the injection molding workshop are more.

Disclosure of Invention

In order to reduce air impurities discharged outside an injection molding workshop, the utility model provides a smoke exhaust device for the injection molding workshop.

The utility model provides a smoke exhaust device for an injection molding workshop, which adopts the following technical scheme:

the utility model provides a smoke exhaust device for injection molding workshop, includes transmission pipeline, a plurality of air inlets have been seted up on the transmission pipeline, still include transition pipeline, filter unit and exhaust-gas treatment room, transition pipeline one end with transmission pipeline is relative to be dismantled and be connected, transition pipeline internal connection has the induced-draft fan that is used for extracting air, filter unit includes the rose box, the rose box is located transition pipeline is inside and with transition pipeline is dismantled and is connected, the packing has the active carbon that is used for filtering air impurity in the rose box, the exhaust-gas treatment room includes the treatment room, transition pipeline keep away from transmission pipeline's one end stretches into the treatment room and with the treatment room lateral wall can dismantle and be connected.

Through adopting above-mentioned technical scheme, the air in the fume extractor will injection molding the workshop is through the air inlet extraction to transmission pipeline in to through transition pipeline transmission to the treatment chamber, make the impurity in the air filtered by the active carbon in the rose box earlier, handled in the treatment chamber again, thereby make the air that discharges to the external contain impurity less, reduce the pollution to external environment.

Preferably, the transmission pipeline is detachably connected with a plurality of guide plates for guiding the air flow direction, and the filter assembly further comprises a cleaning sponge which is detachably connected with the guide plates.

Through adopting above-mentioned technical scheme, clean sponge can the great granule impurity in the preliminary filtration air, makes the impurity be difficult for piling up in transmission pipeline to influence the effect of discharging fume.

Preferably, one end of the transmission pipeline far away from the air inlet is detachably connected with a connecting pipeline, and the other end of the connecting pipeline is detachably connected with the transition pipeline.

Through adopting above-mentioned technical scheme, connecting tube is convenient for the staff to connect transmission pipeline and transition pipeline, and the staff can pull down connecting tube, is convenient for transmission pipeline and the inside maintenance of transition pipeline and change accessory.

Preferably, the filter assembly further comprises a filter screen, wherein the filter screen is detachably connected with the transition pipeline and is positioned on one side of the air inlet end of the smoke extractor.

Through adopting above-mentioned technical scheme, the filter screen can further filter the air in the transition pipeline, reduces to adhere to on the induced-draft fan because of dust and granule and can not normally work, influences the condition of discharging fume efficiency, can reduce the impurity in the air of discharging to the external world simultaneously.

Preferably, the exhaust gas treatment room further comprises an exhaust chamber, the treatment chamber is located inside the exhaust chamber, and an exhaust window is fixedly connected to the top surface of the treatment chamber and one side, far away from the transition pipeline, of the exhaust chamber.

Through adopting above-mentioned technical scheme, the air discharges to the treatment chamber inside through transition pipeline, and the staff of being convenient for handles the impurity in the inside air of treatment chamber, and the air after handling discharges to the exhaust chamber inside and buffers, discharges to the external world again.

Preferably, the top surface of the exhaust chamber is fixedly connected with an exhaust fan for enabling air in the exhaust chamber to flow.

By adopting the technical scheme, the exhaust fan can enable air in the exhaust chamber to flow, so that the air in the exhaust chamber and the treated air discharged by the treatment chamber are fully mixed before being discharged to the outside.

Preferably, the connecting assembly is connected to the connecting pipeline and comprises a plurality of connecting plates and connecting bolts, the connecting plates are respectively connected with one end, close to the connecting pipeline, of the conveying pipeline, two ends of the connecting pipeline and one end, close to the connecting pipeline, of the transition pipeline, and the connecting plates are connected through the connecting bolts.

Through adopting above-mentioned technical scheme, coupling assembling can be convenient for the staff with the connecting tube both ends be connected with transmission pipeline, transition pipeline respectively.

Preferably, the opposite side surfaces of the connecting plate are fixedly connected with sealing gaskets.

By adopting the technical scheme, the sealing gasket can strengthen the tightness among the transmission pipeline, the connecting pipeline and the transition pipeline, and reduce the leakage of air in the transmission process.

Preferably, the bottom surface of the filter box is detachably connected with a mounting plate, and the mounting plate is positioned outside the transition pipeline and is detachably connected with the transition pipeline.

Through adopting above-mentioned technical scheme, when the active carbon in the rose box needs to be changed, the staff can remove the connection between mounting panel and the rose box, takes out the rose box to remove the connection between rose box and the mounting panel, take out inside active carbon.

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

1. air in the injection workshop is transmitted into the transition pipeline from the transmission pipeline under the action of the smoke extractor, filtered by the transition box and then transmitted into the processing chamber to be processed, so that the air impurities discharged to the outside are fewer, and the pollution of the impurities in the air in the injection workshop to the environment is reduced.

2. The guide plate can enable air to directionally flow in the transmission pipeline, so that guide is reduced; the cleaning sponge on the guide plate can filter larger particle impurities in the air, so that the large particle impurities are not easy to accumulate in the pipeline and the smoke extractor.

3. The exhaust fan fixedly connected in the exhaust chamber can enable air in the exhaust chamber to be uniformly mixed, so that the air in the injection workshop is buffered in the exhaust chamber and slowly released into the external environment.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present application.

Fig. 2 is a partial enlarged view of an embodiment of the present application intended to show a transfer duct and baffle.

Reference numerals illustrate:

1. a transmission pipeline; 11. a deflector; 111. a fixing plate; 12. an air inlet; 13. an air inlet baffle; 2. a connecting pipe; 3. a transition duct; 31. a smoke exhauster; 4. a connection assembly; 41. a connecting plate; 42. a connecting bolt; 5. a filter assembly; 51. a filter box; 511. a mounting plate; 52. cleaning a sponge; 53. a filter screen; 6. an exhaust gas treatment room; 61. a processing chamber; 62. an exhaust chamber; 621. an exhaust fan; 63. an exhaust window; 7. and a sealing gasket.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

The smoke exhaust device for the injection molding workshop comprises a transmission pipeline 1, a connection pipeline 2, a transition pipeline 3, a connection assembly 4, a filtering assembly 5, a waste gas treatment room 6 and a sealing gasket 7, wherein the transmission pipeline 1 is partially positioned in the workshop, one end of the transmission pipeline 1 extends out of the injection molding workshop to be connected with the connection pipeline 2, one end of the connection pipeline 2 away from the transmission pipeline 1 is connected with the transition pipeline 3, and the transmission pipeline 1, the connection pipeline 2 and the transition pipeline 3 are connected through the connection assembly 4; a filter component 5 for filtering workshop air of moulding plastics is connected with transmission pipeline 1, transition pipeline 3, and exhaust treatment room 6 for treating workshop waste gas is connected with the one end that connecting tube 2 was kept away from to transition pipeline 3, is used for sealed 7 to be connected with transition pipeline 3, coupling assembling 4, filter component 5 respectively.

As shown in fig. 2, the transmission pipeline 1 is a pipeline with a square longitudinal section, and is positioned at the top of an injection molding workshop, a guide plate 11 is fixedly connected inside the transmission pipeline 1, the guide plate 11 comprises two inclined sections and a vertical section, holes for air in the injection molding workshop to pass through are formed in the vertical section, the inclined section of the guide plate 11 is inclined towards the direction of air transmission, the end surface of the inclined section of the guide plate 11, which is far away from the vertical section, is fixedly connected with a horizontal fixing plate 111, and the fixing plate 111 is connected with the inner wall of the transmission pipeline 1 through bolts; an air inlet 12 is formed in the bottom surface of the transmission pipeline 1 at a position corresponding to the injection molding machine, and the air inlet and the guide plate 11 are arranged in the transmission pipeline 1 in a staggered manner, so that air can be conveyed to the outside of an injection molding workshop; the transmission pipeline 1 is provided with a horizontal air inlet baffle 13 in a clamping manner at the position of the air inlet 12, and the air inlet baffle 13 is of a shutter structure.

As shown in fig. 1 and 2, the longitudinal sectional area of the connecting pipeline 2 near one end of the transmission pipeline 1 is smaller than the longitudinal sectional area near one end of the transition pipeline 3, and one end of the horizontal connecting pipeline 2 is connected with the transmission pipeline 1; the transition pipeline 3 comprises two horizontal sections and a vertical section, wherein one horizontal section is close to the connecting pipeline 2, one end of the horizontal section is connected with the connecting pipeline 2, the other end of the horizontal section is fixedly connected with the vertical section of the transition pipeline 3, and one end of the horizontal section of the transition pipeline 3 far away from the connecting pipeline 2 is fixedly connected with the vertical section of the transition pipeline 3.

As shown in fig. 1 and 2, a smoke extractor 31 is fixedly connected to one end of the transition pipeline 3, which is close to the connecting pipeline 2, and the smoke extractor 31 is a fan, so that air in the injection workshop is extracted from the air inlet 12 to the exhaust gas treatment room 6.

As shown in fig. 2, the connection assembly 4 includes a connection plate 41 and a connection bolt 42, the connection plate 41 is a vertical square ring plate, which is fixedly connected with one end of the transmission pipeline 1, which is close to the connection pipeline 2, two ends of the connection pipeline 2, and one end of the transition pipeline 3, which is close to the connection pipeline 2, respectively, and the two connection plates 41 are connected through the connection bolt 42.

When the air injection molding machine is used, two ends of the connecting pipeline 2 are respectively connected with the transmission pipeline 1 and the transition pipeline 3 through the connecting plate 41 and the connecting bolt 42, under the action of the smoke extractor 31, air in an injection molding workshop is extracted into the transmission pipeline 1 through the air inlet 12 and respectively enters the connecting pipeline 2 and the transition pipeline 3, and as the longitudinal sectional area of the transition pipeline 3 is larger than that of the transmission pipeline 1, the transition pipeline 3 can transmit more air; the air output from the transition duct 3 may enter the exhaust treatment house 6 and be subjected to subsequent treatment.

As shown in fig. 1 and 2, the filtering component 5 comprises a filtering box 51, a cleaning sponge 52 and a filter screen 53, wherein the longitudinal sectional area of the filtering box 51 is matched with the longitudinal sectional area of the transition pipeline 3, the top surface of the filtering box 51 is abutted against the transition pipeline 3, the bottom of the filtering box 51 is connected with a mounting plate 511, a groove matched with the bottom surface of the filtering box 51 is formed in the mounting plate 511, the filtering box 51 is clamped with the mounting plate 511, the mounting plate 511 is connected with the outer wall of the transition pipeline 3 through bolts, and active carbon for filtering impurities in air is filled in the filtering box 51; the cleaning sponge 52 is respectively positioned on the opposite side surfaces of the two inclined sections of the guide plate 11 and is used for preliminarily absorbing large-particle impurities in the air of the injection molding workshop; the vertical filter screen 53 is clamped with the transition pipeline 3 and is close to the connecting pipeline 2, and the filter screen 53 is positioned on one side of the air inlet end of the smoke extractor 31.

As shown in fig. 1, the exhaust gas treatment room 6 includes a treatment room 61, an exhaust room 62 and an exhaust window 63, wherein the treatment room 61 and the exhaust room 62 are hollow cuboid structures, the treatment room 61 is positioned in the exhaust room 62, holes for the transition pipeline 3 to pass through are formed in the exhaust room 62, and the side wall of the transition pipeline 3 is abutted to the exhaust room 62; an exhaust fan 621 is fixedly connected to the top of the exhaust chamber 62, for uniformly stirring the air exhausted from the processing chamber 61 with the air in the exhaust chamber 62 and discharging the air to the outside; the exhaust window 63 has a shutter structure and is fixedly connected to the top surface of the processing chamber 61 and the side surface of the exhaust chamber 62, respectively.

As shown in fig. 1 and 2, the gasket 7 is made of a rubber material, and is respectively located between the two connection plates 41, between the mounting plate 511 and the side wall of the transition duct 3 (not shown in the drawings), and between the side wall of the transition duct 3 and the processing chamber 61 (not shown in the drawings), and is fixedly connected with the connection plates 41, the mounting plate 511, and the side wall of the transition duct 3.

The application process of the utility model is as follows:

the smoke extractor 31 is started, so that air in the injection molding workshop is extracted into the transmission pipeline 1 through the air inlet 12, larger particles in the air are absorbed by the cleaning sponge 52, the air flows to the connecting pipeline 2 under the action of the guide plate 11, the air in the injection molding workshop flows through the filter screen 53 from the transmission pipeline 1, is further filtered under the action of the filter screen 53, enters the transition pipeline 3 and is filtered by the active carbon in the filter box 51, the air with more solid impurities filtered flows into the processing chamber 61, is further processed in the processing chamber 61, is discharged from the exhaust fan 621 on the processing chamber 61, is uniformly mixed in the exhaust chamber 62 by the exhaust fan 621, and is discharged to the outside through the exhaust fan 621 on the exhaust chamber 62.

The worker can detach the air inlet baffle 13 to take out the cleaning sponge 52 and replace it, detach the connecting pipe 2 to replace the filter screen 53, detach the bolt connecting the mounting plate 511 and the transition pipe 3 when the activated carbon in the filter box 51 needs to be replaced, and detach the filter box 51.

The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a smoke exhaust device for injection molding workshop, includes transmission pipeline (1), a plurality of air inlets (12) have been seted up on transmission pipeline (1), its characterized in that: still include transition pipeline (3), filter component (5) and exhaust-gas treatment room (6), transition pipeline (3) one end with transmission pipeline (1) can be dismantled relatively and be connected, transition pipeline (3) internally connected has smoke extractor (31) that are used for extracting air, filter component (5) include rose box (51), rose box (51) are located transition pipeline (3) are inside and with transition pipeline (3) can dismantle and be connected, the packing has the active carbon that is used for filtering air impurity in rose box (51), exhaust-gas treatment room (6) include treatment room (61), transition pipeline (3) are kept away from transmission pipeline (1) one end stretches into treatment room (61) and with treatment room (61) lateral wall can dismantle and be connected.

2. The smoke evacuation device for an injection molding plant according to claim 1, wherein: the inside of transmission pipeline (1) is connected with a plurality of guide plates (11) that are used for guiding the air flow direction in a detachable way, filtering component (5) still include clean sponge (52), clean sponge (52) with guide plates (11) are connected in a detachable way.

3. The smoke evacuation device for an injection molding plant according to claim 2, wherein: one end of the transmission pipeline (1) far away from the air inlet (12) is detachably connected with a connecting pipeline (2), and the other end of the connecting pipeline (2) is detachably connected with the transition pipeline (3).

4. A smoke extractor for an injection molding plant according to claim 3, wherein: the filter assembly (5) further comprises a filter screen (53), and the filter screen (53) is detachably connected with the transition pipeline (3) and is positioned on one side of the air inlet end of the smoke extractor (31).

5. The smoke evacuation device for an injection molding plant according to claim 1, wherein: the waste gas treatment room (6) further comprises an exhaust chamber (62), the treatment chamber (61) is located inside the exhaust chamber (62), and an exhaust window (63) is fixedly connected to one side, away from the transition pipeline (3), of the top surface of the treatment chamber (61) and the exhaust chamber (62).

6. The smoke evacuation device for an injection molding plant according to claim 5, wherein: an exhaust fan (621) for enabling air in the exhaust chamber (62) to flow is fixedly connected to the top surface of the exhaust chamber (62).

7. A smoke extractor for an injection molding plant according to claim 3, wherein: the connecting device is characterized in that a connecting component (4) is connected to the connecting pipeline (2), the connecting component (4) comprises a connecting plate (41) and connecting bolts (42), the connecting plates (41) are arranged in a plurality, the connecting plates (41) are respectively close to one end of the connecting pipeline (2) through the connecting pipeline (1), two ends of the connecting pipeline (2) are respectively close to one end of the connecting pipeline (2) through the connecting bolts (42), and the connecting plates (41) are fixedly connected with one end of the connecting pipeline (2) through the transition pipeline (3).

8. The smoke evacuation device for an injection molding plant according to claim 7, wherein: the opposite side surfaces of the connecting plate (41) are fixedly connected with sealing gaskets (7).

9. The smoke evacuation device for an injection molding plant according to claim 1, wherein: the bottom surface of the filter box (51) is detachably connected with a mounting plate (511), and the mounting plate (511) is positioned outside the transition pipeline (3) and is detachably connected with the transition pipeline (3).