Exhaust hood for light guide plate production line

Abstract

The utility model discloses an exhaust hood for a light guide plate production line, relates to the technical field of light guide plate production, and aims to provide an adjustable exhaust hood for a light guide plate production line, which comprises an extruder head, and a first exhaust hood and a second exhaust hood are respectively arranged on two sides of the extruder head. The exhaust hood has the advantages that the exhaust hoods are arranged on the two sides of the extruder head respectively, gas exhausted from the two sides can be better extracted, the filter screens and the activated carbon plates which are convenient to replace are arranged in the exhaust hoods, and the exhaust hoods are convenient to replace, so that the filter screens and the activated carbon plates are convenient to replace. Gas entering the exhaust hood is filtered and purified; the connecting assembly is arranged between the exhaust hood and the extruder head, the driving motor drives the gear to rotate, the driving rack drives the exhaust hood to move up and down, the height of the exhaust hood can be conveniently adjusted to be close to or away from the air outlet of the extruder head, and compared with a traditional integrally-fixed exhaust hood, the application effect is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to light guide plate production technical field more specifically, it relates to a kind of exhaust hood for light guide plate production line. BACKGROUND

[0002] Light guide plate extruder is a kind of equipment specially used for producing light guide plate, it is by the specific mold and process, and the molten material is extruded into shape finally, the material of light guide plate is generated unpleasant harmful gas when heating and melting, to avoid the gas pollution workshop air, influence the health of staff, usually set exhaust hood in extruder head, the gas generated is extracted.

[0003] The exhaust hood for light guide plate extruder commonly seen in market is mostly single integrated, directly covers extruder head, but this entire cover exhaust hood on top, not only poor air suction effect, and fixed stereotyped, it is inconvenient to adjust according to actual gas emission situation. UTILITY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the utility model aims at providing an exhaust hood for light guide plate production line.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] An exhaust hood for light guide plate production line, comprising an extruder head, the bottom of the extruder head is provided with an air outlet on both sides, and an inclined flow guide plate is arranged on the air outlet, first and second exhaust hoods are arranged on both sides of the extruder head, two groups of connecting components are arranged between the first exhaust hood and the extruder head, the second exhaust hood is fixed to one side of the extruder head, the first and second exhaust hoods each comprise a lower cavity and two upper cavities, the two upper cavities are arranged on the lower cavity and connected thereto, the cross sections of the two upper cavities are triangular, the cross section of the lower cavity is rectangular, and the top of each upper cavity is connected to a telescopic exhaust pipe.

[0007] Further, the two groups of connecting components are arranged at both ends of one side of the lower cavity, the connecting component comprises a rack, a gear and a driving motor, the two sides of the extruder head are provided with accommodating grooves, the driving motor is fixed to one side of the extruder head, the output end of the driving motor extends into the accommodating groove, the gear is sleeved on the output end of the driving motor, and the rack is fixed to the lower cavity, the gear is engaged with the rack.

[0008] Further settings, the lower cavity of the first exhaust hood and the second exhaust hood is provided with a filter assembly, the filter assembly includes filter screen and activated carbon plate, the lower cavity is fixed with two guide strips on both sides, the filter screen and the activated carbon plate are correspondingly connected with the two guide strips on both sides and are slidably connected with the guide strips, one end of the lower cavity is provided with an opening for the filter screen and the activated carbon plate to pass through, and a sealing plate is arranged on the opening and is connected movably.

[0009] Further settings, the two sides of the second exhaust hood are fixed with reinforcing plates, and the two sides of the extruder head are fixed with limiting clamping blocks, and the two reinforcing plates are provided with through holes for clamping the limiting clamping blocks.

[0010] By adopting the above technical scheme, the beneficial effects of the utility model are that: by arranging the exhaust hoods on both sides of the extruder head, the gases discharged from both sides can be better extracted, the filter screen and the activated carbon plate arranged in the exhaust hood can be conveniently replaced, and the gases entering the exhaust hood can be filtered and evolved; the connecting assembly is arranged between the exhaust hood and the extruder head, the gear is driven to rotate by the driving motor, the exhaust hood is driven to move up and down by the rack, the height of the exhaust hood close to or away from the air outlet of the extruder head is conveniently adjusted, and the application effect is better than that of the traditional exhaust hood which is integrally fixed. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is the overall structure schematic view of the utility model embodiment.

[0012] Fig. 2 It is the connecting assembly cross section structure schematic view of the utility model embodiment.

[0013] Fig. 3 It is the cross section structure schematic view of the exhaust hood of the utility model embodiment.

[0014] Fig. 1 is an extruder head, 101 air outlet, 102 containing groove, 2 first exhaust hood, 3 second exhaust hood, 4 guide plate, 5 lower cavity, 6 upper cavity, 7 telescopic exhaust pipe, 8 rack, 9 gear, 10 driving motor, 11 reinforcing plate, 12 limiting clamping block, 13 filter screen, 14 activated carbon plate, 15 guide strip, 16 sealing plate. DETAILED DESCRIPTION

[0015] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0016] REFERENCE Figs. 1 to 3The utility model further illustrates the embodiment.

[0017] A kind of exhaust hood for light guide plate production line, including extruder head 1, the two sides of extruder head 1 are respectively opened with gas outlet 101, gas outlet 101 is equipped with inclined flow guide plate 4, the two sides of extruder head 1 are respectively equipped with first exhaust hood 2 and second exhaust hood 3, second exhaust hood 3 is fixed to the side of extruder head 1, the two sides of second exhaust hood 3 are fixed with reinforcing plate 11, the two sides of extruder head 1 are fixed with limit block 12, two reinforcing plates 11 are all opened with through hole, the limit block 12 of two sides is respectively connected with the through hole on the two reinforcing plates 11, and second exhaust hood 3 can be reinforced.

[0018] First exhaust hood 2 and second exhaust hood 3 are same structure, first exhaust hood 2 and second exhaust hood 3 all include lower cavity 5 and two upper cavities 6, two upper cavities 6 are placed on lower cavity 5 and are connected with lower cavity 5, the section of two upper cavities 6 is all triangular, the section of lower cavity 5 is rectangular, and the top of two upper cavities 6 is uniformly connected with telescopic exhaust pipe 7, gas generated when extruder head 1 produces enters from the bottom of lower cavity 5, enters one of upper cavities 6 and is conveyed and discharged by telescopic exhaust pipe 7.

[0019] Filtering assembly is arranged in the lower cavity 5 of first exhaust hood 2 and second exhaust hood 3, filtering assembly is arranged in lower cavity 5, filtering assembly includes filter screen 13 and activated carbon plate 14, activated carbon plate 14 is placed above filter screen 13, after gas enters lower cavity 5, needs to be filtered by filter screen 13 and activated carbon plate 14, activated carbon has the function of removing odor, two guide strips 15 are fixed in the two sides in lower cavity 5, the section of guide strip 15 is in the shape of "[", filter screen 13 and activated carbon plate 14 correspond to the two sides of guide strip 15 and are slidably connected with guide strip 15, one end of lower cavity 5 is opened with the opening for filter screen 13 and activated carbon plate 14, the opening is equipped with the sealing plate 16 of movable connection, filter screen 13 and activated carbon plate 14 need to be replaced after a period of use, can remove sealing plate 16, filter screen 13 and activated carbon plate 14 are pulled out along the guide strip 15 of the two sides of lower cavity 5, and new filter screen 13 and activated carbon plate 14 are replaced.

[0020] Two groups of connecting assemblies are arranged between the first exhaust hood 2 and the extruder head 1, and the two groups of connecting assemblies are arranged at two ends of one side of the lower cavity 5 respectively. The connecting assembly comprises a rack 8, a gear 9 and a driving motor 10. The two sides of the extruder head 1 are provided with accommodating grooves 102. The driving motor 10 is fixed to one side of the extruder head 1, and the output end of the driving motor 10 extends into the accommodating groove 102. The gear 9 is sleeved on the output end of the driving motor 10. The output end of the driving motor 10 drives the gear 9 to rotate. The rack 8 is fixed to one side of the lower cavity 5. The gear 9 is engaged with the rack 8. The first exhaust hood 2 and the rack 8 can move up and down under the drive of the gear 9, and can be close to or away from the air outlet 101 of the extruder head 1. The height of the first exhaust hood 2 can be adjusted up and down to better adapt to the exhaust of the light guide plate production. When moving down, the first exhaust hood 2 is close to the air outlet 101 to better exhaust. When rising, the extruder head 1 can be conveniently operated and maintained.

[0021] The above description is only the preferred embodiment of the present application, and is not used to limit the present application. The skilled in the art can make common changes and replacements within the technical scheme of the present application, which should be included in the protection scope of the present application.

Claims

1. An exhaust hood for use in a light guide plate production line comprising an extruder head (1), characterized in that, The bottom of the extruder head (1) is provided with air outlets (101) on both sides, and the air outlets (101) are provided with inclined guide plates (4). The two sides of the extruder head (1) are respectively provided with a first exhaust hood (2) and a second exhaust hood (3). Two groups of connecting assemblies are arranged between the first exhaust hood (2) and the extruder head (1), and the second exhaust hood (3) is fixed to one side of the extruder head (1), The first exhaust hood (2) and the second exhaust hood (3) each include a lower cavity (5) and two upper cavities (6). The two upper cavities (6) are arranged on the lower cavity (5) and are connected and communicated with the lower cavity (5). The cross sections of the two upper cavities (6) are triangular, the cross section of the lower cavity (5) is rectangular, and the top of each of the two upper cavities (6) is connected and communicated with an extendable exhaust pipe (7).

2. The exhaust hood for a light guide plate production line according to claim 1, wherein The two groups of connecting assemblies are arranged at both ends of one side of the lower cavity (5). The connecting assembly includes a rack (8), a gear (9) and a driving motor (10). The two sides of the extruder head (1) are provided with accommodating grooves (102). The driving motor (10) is fixed to one side of the extruder head (1), and the output end of the driving motor (10) extends into the accommodating groove (102). The gear (9) is sleeved on the output end of the driving motor (10). The rack (8) is fixed to the lower cavity (5), and the gear (9) is engaged with the rack (8).

3. The exhaust hood for a light guide plate production line according to claim 1, wherein The lower cavity (5) of the first exhaust hood (2) and the second exhaust hood (3) is provided with a filter assembly. The filter assembly includes a filter screen (13) and an activated carbon plate (14). Two guide strips (15) are fixed to both sides in the lower cavity (5). The filter screen (13) and the activated carbon plate (14) correspond to the two guide strips (15) on both sides and are slidably connected with the guide strips (15). One end of the lower cavity (5) is provided with an opening for the filter screen (13) and the activated carbon plate (14) to pass through. The opening is provided with a sealing plate (16) connected movably.

4. The exhaust hood for a light guide plate production line according to claim 1, wherein The two sides of the second exhaust hood (3) are fixedly provided with reinforcing plates (11), and the two sides of the extruder head (1) are fixedly provided with limiting clamping blocks (12). The two reinforcing plates (11) are each provided with a through hole for clamping the limiting clamping block (12).

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