CN211966303U

CN211966303U - Dust removal air duct partitioning device

Info

Publication number: CN211966303U
Application number: CN202020159745.3U
Authority: CN
Inventors: 李荣昌; 王庆伟
Original assignee: Jinan Senfeng Technology Co Ltd; Shandong Leiming CNC Laser Equipment Co Ltd; Shandong Senfeng Laser Equipment Co Ltd
Current assignee: Shandong Leiming CNC Laser Equipment Co Ltd; Jinan Senfeng Laser Technology Co Ltd; Shandong Senfeng Laser Equipment Co Ltd
Priority date: 2020-02-10
Filing date: 2020-02-10
Publication date: 2020-11-20
Anticipated expiration: 2030-02-10

Abstract

The utility model provides a dust removal wind channel subregion device, the scheme of adoption is: the wind channel comprises a wind channel body which is through from front to back, a main wind channel is arranged at the rear part of the wind channel body, at least two wind channels which are arranged at an angle are arranged at the front part of the wind channel body, a wind channel baffle plate is arranged between two adjacent wind channels, and the wind channel baffle plate is driven by a driving assembly to rotate and can block any one of the two wind channels. Through setting up the wind channel body with the structural style of ooff valve, utilize the rotation of wind channel baffle can carry out the shutoff to arbitrary one in two adjacent wind channels, can reduce the flow that gaseous goes on in unnecessary space like this, avoided gaseous unnecessary wind channel opening (being a wind channel) of flowing through of having avoided simultaneously, reduced gaseous the revealing.

Description

Dust removal air duct partitioning device

Technical Field

The utility model relates to a laser cutting machine technical field especially relates to a dust removal wind channel subregion device.

Background

Nowadays, in the metal processing industry, laser cutting equipment is more and more important and becomes indispensable important processing equipment, and in the metal laser cutting process, because the metal plate is cut at an ultrahigh temperature in the processing process, a large amount of metal dust and harmful gas are generated in the cutting process, and the gas and a large amount of fine metal dust can irreversibly harm the human body of an operator, and can even induce lung cancer, pneumoconiosis and other diseases of the operator after long-time dust suction. The dust collection system is more important in laser cutting, the air tightness of the air duct is effectively kept, gaps in the air duct are effectively reduced, and leakage of air pressure in the dust collection air duct is reduced, which is an important part in the dust collection system.

Because gas flow process has certain loss in the wind channel, the atmospheric pressure that makes reduces, and the velocity of flow reduces for dust absorption effect reduces, and secondly every switch in wind channel can't guarantee strict sealed, more or less have certain revealing, and these reveal again can make dust absorption effect descend by a wide margin.

At present, in a dust suction system of a common laser cutting machine, there are generally 8-18 sets of unequal air duct switches, firstly, the switches are not in the same branch, which undoubtedly increases the distance for air to flow, most of air loss is caused by the switches, and the 8-18 sets of air outlets are not completely sealed in a closed state, and the air in the air duct leaks. This has the consequence that the dust extraction efficiency is only 10-20% in the case of a set of tuyeres.

Therefore, the problem that the partition device of the dust removal air duct is needed to be solved urgently is researched and developed aiming at the current situation that the partition dust collection device applied to the existing laser cutting machine has low dust collection efficiency caused by branch wind power loss.

SUMMERY OF THE UTILITY MODEL

The utility model discloses there is branch road wind-force loss to the subregion dust extraction who uses on the current laser cutting machine and leads to the problem that dust collection efficiency is low, provides a dust removal wind channel subregion device.

The adopted technical scheme is as follows: the utility model provides a dust removal wind channel subregion device, includes the wind channel body that link up around, the rear portion of wind channel body is provided with main wind channel, the front portion of wind channel body is provided with two at least wind channels that become the angle setting, is provided with the wind channel baffle between two adjacent wind channels, the wind channel baffle is rotated by the drive assembly drive and can is carried out the shutoff to any one in two wind channels. The air duct body is arranged in a structural form of the switch valve, any one of two adjacent branch air ducts can be blocked by utilizing the rotation of the air duct baffle, the angle setting is favorable for the rotation of the air duct baffle to complete the blocking, the air duct baffle is arranged at the main air duct of the partition dust removal device during application, the branch air ducts are communicated with each partition, which air duct needs no air inlet to block which branch air duct, thus the flow of air in unnecessary space can be reduced, meanwhile, the air is prevented from flowing through unnecessary air duct openings (namely the branch air ducts), and the leakage of the air is reduced.

Furthermore, the number of the main air ducts is one, the number of the branch air ducts is two, and the two branch air ducts are symmetrically arranged around the central line of the main air duct. The air duct body is arranged in a three-way structural form, corresponds to the existing two-partition dust removal device, is special, can be controlled by one baffle and one set of driving assembly, and is simple in structure and easy to assemble.

Furthermore, an included angle a between the central line of the branch air duct and the central line of the main air duct is an acute angle. The arrangement at an acute angle can ensure that the interval between the two branch air ducts is favorable for assembly and can also reduce air pressure loss generated at the corner.

Further, the included angle a is 30 °. The structure has the function of smooth air circulation, and the air duct baffle has the advantages that the air duct baffle has about 30 degrees of air flow direction in two states, and almost no air pressure loss exists.

Furthermore, an upper limiting plate matched with the upper part of the air duct baffle is arranged on the inner wall of the main air duct of the air duct body, and a lower limiting plate matched with the lower part of the air duct baffle is arranged on the inner wall of the branch air duct of the air duct body. The rotation of the air duct baffle is limited through the upper limiting plate and the lower limiting plate, and the purpose of plugging the branch air duct is achieved.

Furthermore, the upper limiting plate and the lower limiting plate are provided with sealing gaskets on the side matched with the air duct baffle. The sealing performance of the air duct baffle plate for blocking the branch air duct is enhanced by arranging the sealing gasket, so that the side leakage of air is prevented, and the wind power loss is reduced.

Further, drive assembly includes cylinder, connecting rod and pivot, the cylinder is installed the top of wind channel body, the piston rod of cylinder is articulated with the one end of connecting rod, the other end and the pivot of connecting rod are connected, the roof that the wind channel body was passed in the pivot is connected with the wind channel baffle. The rotation of the air duct baffle is driven.

Further, the rotating shaft is provided with a bearing and a bearing cover plate at the position of penetrating through the top wall of the air duct body. The smooth rotation of the rotating shaft is realized through the installation of the bearing and the bearing cover plate and the matching of the bearing and the rotating shaft.

Furthermore, the bottom of the air duct baffle is matched with the air duct body through a rotating shaft, and a bearing cover plate are arranged at the matching position. Further ensuring the smooth rotation of the air duct baffle.

Furthermore, a connecting cylinder is connected to the main air duct and the branch air duct on the air duct body, and a sealing gasket is arranged at the connecting position. The ventilation pipeline is lengthened through the connecting cylinder, and the ventilation pipeline is convenient to be installed in a matching mode with a connecting pipe needing to be connected together.

According to the technical scheme, the utility model has the advantages of it is following:

the air duct body is arranged in a structural form of the switch valve, any one of two adjacent branch air ducts can be blocked by utilizing the rotation of the air duct baffle, the angle arrangement is favorable for the rotation of one air duct baffle to complete the blocking, the air duct baffle is arranged at the main air duct of the partition dust removal device during application, the branch air ducts are communicated with each partition, and the branch air ducts on which side are blocked without air intake in which air duct area, so that the flow of air in unnecessary space can be reduced, meanwhile, the air is prevented from flowing through unnecessary air duct openings (namely the branch air ducts), and the leakage of the air is reduced; the included angle a between the central line of the branch air duct and the central line of the main air duct is set to be about 30 degrees, so that the air pressure loss generated at the corner can be reduced while the interval between the two branch air ducts is ensured to be beneficial to assembly, the effect of smooth air circulation is achieved, the air duct baffle is about 30 degrees in two states and the air flow direction, and almost no air pressure loss exists.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic view showing an internal structure of fig. 1.

Fig. 3 is a partial enlarged view of I in fig. 2.

Fig. 4 is a partial enlarged view of II in fig. 2.

Fig. 5 is a partial enlarged view of III in fig. 2.

Fig. 6 is a top view of fig. 1.

Fig. 7 is a cross-sectional view of P-P in fig. 6.

Fig. 8 is a schematic view of the dust extraction system of fig. 1 in use.

In the figure, the air duct comprises an air duct body 1, an air duct body 2, a connecting cylinder 3, an air cylinder 4, a connecting rod 5, a rotating shaft 6, a bearing 7, a bearing cover plate 8, an air duct baffle 11, a main air duct 12, a branch air duct 13, a branch air duct 14, an upper limiting plate 15, a lower limiting plate 16, a sealing gasket 20 and a dust collector.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and obviously, the embodiments described below are only some embodiments of the present invention, not all 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 scope of protection of this patent.

As shown in fig. 1-8, the present invention provides a dust-removing air duct partitioning device, which comprises an air duct body 1 penetrating from front to back, the air duct body 1 is substantially in a shape of Chinese character 'ren', a main air duct 11 is arranged at the front part, two branch air ducts are arranged at the rear part, the two branch air ducts are arranged at an angle (the angle is non-parallel and overlapping, and can be understood as one end of each branch air duct is crossed, and the other end is separated), an air duct baffle 8 is arranged between the two branch air ducts, the air duct baffle 8 is driven by a driving component to rotate to block any one of the two branch air ducts, the air duct body 1 is arranged in a structural form similar to a three-way switch valve, any one of the two adjacent branch air ducts can be blocked by the rotation of the air duct baffle 8, the angle arrangement is beneficial to the rotation of one air duct baffle 8 to complete, when the device is used, the device is arranged at the main air duct 11 of the partition dust removal device, the branch air ducts are communicated with each partition, and the branch air ducts on which sides are blocked without air intake in which air area, so that the flow of gas in unnecessary space can be reduced, meanwhile, the gas is prevented from flowing through unnecessary air duct openings (namely the branch air ducts), and the leakage of the gas is reduced.

As shown in fig. 2, an included angle a between the central lines of the branch air ducts and the central line of the main air duct 11 is an acute angle, and in this embodiment, the included angle a is 30 °, so that the air pressure loss generated at the corners can be reduced while the interval between the two branch air ducts is ensured to be favorable for assembly, and the air duct baffle 8 plays a role in smooth air circulation, so that the air duct baffle 8 forms about 30 ° with the air flow direction in two states, and almost no air pressure loss occurs.

As shown in fig. 2 to 5, an upper limiting plate 14 matched with the upper portion of the air duct baffle 8 is arranged on an inner wall of a main air duct 11 of the air duct body 1, a lower limiting plate 15 matched with the lower portion of the air duct baffle 8 is arranged on an inner wall of a branch air duct of the air duct body 1, the upper limiting plate 14 and the lower limiting plate 15 are both provided with two inclined plates, the rotation of the air duct baffle 8 is limited by the upper limiting plate 14 and the lower limiting plate 15, so as to achieve the purpose of blocking the branch air duct, further, rubber gaskets 16 are arranged on one sides of the upper limiting plate 14, the lower limiting plate 15 matched with the air duct baffle 8, and the sealing performance of the air duct baffle 8 to the blocking of the branch air duct is enhanced by the rubber gaskets 16, so as to prevent air leakage and reduce wind power loss.

Specifically, as shown in fig. 6 and 7, the driving assembly includes a cylinder 3, a connecting rod 4 and a rotating shaft 5, the cylinder 3 is installed at the top of the air duct body 1 through a cylinder 3 seat, a piston rod of the cylinder 3 is hinged to one end of the connecting rod 4, the other end of the connecting rod 4 is fixedly connected to the rotating shaft 5, the rotating shaft 5 penetrates through the top wall of the air duct body 1 and is connected or clamped with the air duct baffle 8, the rotating shaft 5 is provided with a bearing 6 and a bearing cover plate 7 at the position of the top wall penetrating through the air duct body 1, similarly, the bottom of the air duct baffle 8 is also matched with the air duct body 1 through the rotating shaft 5, the matching position is provided with the bearing 6 and the bearing cover plate 7, and the driving of.

The further improvement scheme is that the air duct body 1 is connected with a connecting cylinder 2 at the main air duct 11 and the branch air duct, a sealing gasket 16 is arranged at the joint, the joint is similar to flange connection, so that the connection is firmer, and the connecting cylinder 2 is used for lengthening the ventilation duct, so that the air duct can be conveniently matched and installed with a connecting pipe needing to be connected together.

The terms "upper", "lower", "outside", "inside" and the like in the description and claims of the present invention and the above drawings, if any, are used to distinguish relative relationships in position, and are not necessarily qualitative. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a dust removal wind channel subregion device, characterized by, includes wind channel body (1) that link up around, the rear portion of wind channel body (1) is provided with main wind channel (11), the front portion of wind channel body (1) is provided with two at least wind channels (12, 13) that become the angle setting, is provided with wind channel baffle (8) between two adjacent wind channels, wind channel baffle (8) are rotated by the drive assembly drive and can be carried out the shutoff to any one in two wind channels.

2. A dust-removing air duct partitioning device as claimed in claim 1, wherein there is one main air duct (11), there are two branch air ducts, and two branch air ducts (12, 13) are arranged at an angle with respect to the main air duct (11).

3. The partition device for dust-removing air ducts according to claim 2, wherein an included angle a between a center line of the branch air duct and a center line of the main air duct is an acute angle.

4. A dust extraction air duct partitioning device as claimed in claim 3, wherein said included angle a is 30 °.

5. The partition device for the dust removing air duct according to claim 1, wherein an upper limiting plate (14) matched with the upper part of the air duct baffle (8) is arranged on the inner wall of the main air duct of the air duct body (1), and a lower limiting plate (15) matched with the lower part of the air duct baffle (8) is arranged on the inner wall of the branch air duct of the air duct body (1).

6. The dust removing air duct partitioning device as claimed in claim 5, wherein sealing gaskets (16) are arranged on the sides of the upper limiting plate (14) and the lower limiting plate (15) which are matched with the air duct baffle (8).

7. The dust removing air duct partitioning device according to claim 1, wherein the driving assembly comprises an air cylinder (3), a connecting rod (4) and a rotating shaft (5), the air cylinder (3) is installed at the top of the air duct body (1), a piston rod of the air cylinder (3) is hinged to one end of the connecting rod (4), the other end of the connecting rod (4) is connected with the rotating shaft (5), and the rotating shaft (5) penetrates through the top wall of the air duct body (1) and is connected with the air duct baffle (8).

8. The partition device of the dust removing air duct according to claim 7, wherein the rotating shaft (5) is provided with a bearing (6) and a bearing cover plate (7) at the top wall passing through the air duct body (1).

9. The dust removing air duct partitioning device as claimed in claim 8, wherein the bottom of the air duct baffle (8) is fitted with the air duct body (1) through the rotating shaft (5), and a bearing (6) and a bearing cover plate (7) are arranged at the fitting position.

10. The partition device of the dust removing air duct according to claim 1, wherein the main air duct and the branch air duct of the air duct body (1) are connected with a connecting cylinder (2), and a sealing gasket (16) is arranged at the connecting position.