CN210386819U

CN210386819U - Split type venturi auxiliary device that removes dust

Info

Publication number: CN210386819U
Application number: CN201920826937.2U
Authority: CN
Inventors: 谢建
Original assignee: Cfdr Shenzhen Technology Co ltd
Current assignee: Shenzhen Chuangyi Intelligent Equipment Co.,Ltd.
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-04-24
Anticipated expiration: 2029-06-03

Abstract

The utility model relates to a split Venturi tube dust removal auxiliary device, which comprises an annular dust collection port and an annular dust collection auxiliary mechanism; the dust suction port is fixedly connected with one end of the dust suction auxiliary mechanism through a bolt; the end face of the inner wall of the dust collection auxiliary mechanism is in a step shape with the end face of the outer wall, and the end face of the inner wall is lower than the end face of the outer wall, so that after the dust collection port is tightly attached to one end of the dust collection auxiliary mechanism, the dust collection port and the end face of the inner side of the dust collection auxiliary mechanism form a compressed air superfine outlet. Compressed air passes through the pressurizing cavity from a compressed air inlet, is discharged from a compressed air superfine outlet and is discharged to the other end of the dust collection auxiliary mechanism along a flow guide curve of the dust collection auxiliary mechanism, the air flow is narrowed suddenly by the width to generate a Venturi effect, high vacuum is generated near a dust collection port, and the high-efficiency suction device can efficiently suck dust near the dust collection port into a pipeline by matching with the vacuum of a dust removal fan, so that the problems of insufficient wind power and low dust collection efficiency of the dust collection port in the prior art are solved.

Description

Split type venturi auxiliary device that removes dust

Technical Field

The utility model relates to an industrial processing dust removal field specifically is a split type venturi auxiliary device that removes dust.

Background

The venturi operates on the principle that when an airflow blows across the barrier, the air pressure is relatively low in the vicinity of the port above the lee side of the barrier, thereby creating an adsorption effect and directing the flow of air. The air flow is uniformly distributed from coarse to fine to accelerate the air flow velocity, so that the air forms a vacuum area at the rear side of the outlet of the Venturi tube.

In the industrial processing process, the lower surface of the workpiece can generate a large amount of dust, and the dust is adsorbed on the lower surface of the workpiece to influence the processing quality of the part, pollute the processing environment and influence the service life of processing equipment, so that the workpiece in the processing process is treated by adopting an efficient dust removing device, and a general dust suction port is matched with a dust removing fan, so that the wind power of the dust suction port is insufficient, the problem of low dust suction efficiency is solved, and the quality requirement of the workpiece can not be met.

In the prior art, a dust removal device adopting a Venturi effect is adopted, but the main action devices of the air flow which is thinned from thick to thin are all integrated, and the integrated Venturi tube has the defects of high difficulty in processing superfine holes, high precision requirement, high cost and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a processing is simple and convenient, split type venturi auxiliary device that removes dust with low costs to solve the problem that the dust absorption mouth wind-force that prior art exists is not enough, and dust collection efficiency is low.

In order to solve the above problem, the utility model provides a technical scheme is: a split type Venturi tube dust removal auxiliary device comprises an annular dust suction opening and an annular dust suction auxiliary mechanism; the dust suction port is fixedly connected with one end of the dust suction auxiliary mechanism through a bolt; the end face of the inner wall of the dust collection auxiliary mechanism is in a step shape, and the end face of the inner wall is lower than the end face of the outer wall, so that after the dust collection port is tightly attached to one end of the dust collection auxiliary mechanism, the dust collection port and the end face of the inner wall of the dust collection auxiliary mechanism form a compressed air superfine outlet.

Furthermore, the auxiliary dust absorption mechanism comprises a compressed air inlet, a pressurization cavity and an auxiliary dust absorption mechanism flow guide curve.

Further, the end surface between the pressurizing cavity and the inner wall of the auxiliary dust absorption mechanism is lower than the end surface between the pressurizing cavity and the outer wall of the auxiliary dust absorption mechanism.

Furthermore, the pressurizing cavity is arranged at the matching end of the dust collection auxiliary mechanism and the dust collection port and is an annular groove which is approximately concentric with the annular dust collection auxiliary mechanism.

Furthermore, the outer diameter of the flow guide curve of the auxiliary dust absorption mechanism is larger than the inner diameter of the dust absorption opening, so that compressed air is discharged to the other end of the auxiliary dust absorption mechanism along the flow guide curve of the auxiliary dust absorption mechanism.

Further, the compressed air inlet is arranged on the outer side wall of the dust collection auxiliary mechanism and communicated with the pressurization cavity.

Furthermore, the dust suction port is provided with an avoiding notch.

Furthermore, the dust suction port is provided with a dust suction port flow guide curve

Further, a sealing ring is arranged between the dust suction port and the dust suction auxiliary mechanism.

Compared with the prior art, the utility model discloses an advantage and beneficial effect lie in:

the utility model discloses a split type venturi auxiliary device that removes dust forms the superfine export of compressed air through the ingenious cooperation with dust absorption mouth and dust absorption complementary unit, produces the venturi effect, and its processing is more simple and convenient, the cost is lower, and the vacuum that cooperation dust exhausting fan itself produced can obviously strengthen mouthful wind-force, improves dust collection efficiency.

Drawings

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

FIG. 1 is a schematic exploded view of a split type Venturi tube dedusting auxiliary device of the present invention;

fig. 2 is a schematic structural view of a split venturi tube dedusting auxiliary device of the present invention;

fig. 3 is a cross-sectional view of the schematic structural diagram of the split venturi tube dust removal assisting device of the present invention.

Fig. 4 is a partially enlarged view of the very fine compressed air outlet of the auxiliary dust suction mechanism of the present invention.

Wherein, 1, a dust suction port; 2. a gap of a dust suction port; 3. a seal ring; 4. a dust-collecting auxiliary mechanism; 5. a compressed air inlet; 6. a working part; 7. dust; 8. a dust collection port flow guide curve; 9. the end surface of the outer wall of the dust collection auxiliary mechanism; 10. a compressed air superfine outlet; 11. a pressurizing cavity; 12. the end surface of the inner wall of the auxiliary mechanism; 13. a flow guide curve of the dust collection auxiliary mechanism; 14. and (4) bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to 4, a split venturi tube dust removal auxiliary device includes an annular dust suction port 1, an annular dust suction auxiliary mechanism 4, and a seal ring 3;

dust absorption mouth 1 sets up breach 2 for dodge other frock clamp of equipment.

The dust collection port 1 is also provided with a dust collection port diversion curve 8 for guiding dust 7 to flow into the dust collection port 1.

The sealing ring 3 is arranged between the dust suction port 1 and the dust suction auxiliary mechanism 4 and used for preventing gas from leaking out and realizing effective sealing of the device.

The auxiliary dust absorption mechanism comprises a compressed air inlet 5, a pressurization cavity 11 and an auxiliary dust absorption mechanism flow guide curve 13.

The utility model discloses a device during operation begins, lets in compressed air to compressed air entry 5, and compressed air is through pressure boost chamber 11, because dust absorption complementary unit inner wall terminal surface 12 is less than dust absorption complementary unit outer wall terminal surface 9, will the dust absorption mouth with dust absorption complementary unit's one end is closely laminated the back, forms the superfine export 10 of compressed air, so compressed air can follow the superfine export 10 of compressed air and discharge, because the external diameter of dust absorption complementary unit water conservancy diversion curve 13 is greater than the internal diameter of dust absorption mouth 1 to compressed air can be discharged to the 4 other ends of dust absorption complementary unit along dust absorption complementary unit water conservancy diversion curve 13, and pressure boost chamber 11 is annular groove, so the air current is discharged along dust absorption complementary unit water conservancy diversion curve 13 annular waterfall forms in 4 inner chambers of dust absorption complementary unit.

In the process that compressed air is discharged from the compressed air superfine outlet 10 through the pressurizing cavity 11, because the airflow is suddenly narrowed from width, a venturi effect is generated, high vacuum is generated near the dust suction port 1, and in cooperation with the vacuum of the dust removal fan, a negative pressure difference from outside to inside is generated near the dust suction port 1, so that the wind power of the dust suction port 1 is enhanced, dust 7 on the working part 6 is efficiently sucked into a pipeline through the dust suction port diversion curve 8, and the problems of insufficient wind power and low dust suction efficiency of the dust suction port in the prior art are solved.

The above is only the preferred embodiment of the present invention, and the patent scope of the present invention is not limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. The utility model provides a split type venturi auxiliary device that removes dust which characterized in that: comprises an annular dust suction port and an annular dust suction auxiliary mechanism; the dust suction port is fixedly connected with one end of the dust suction auxiliary mechanism through a bolt; the end face of the inner wall of the dust collection auxiliary mechanism is in a step shape, and the end face of the inner wall is lower than the end face of the outer wall, so that after the dust collection port is tightly attached to one end of the dust collection auxiliary mechanism, the dust collection port and the end face of the inner wall of the dust collection auxiliary mechanism form a compressed air superfine outlet.

2. The split venturi dedusting auxiliary apparatus of claim 1, wherein: the dust absorption auxiliary mechanism comprises a compressed air inlet, a pressurization cavity and a dust absorption auxiliary mechanism flow guide curve.

3. The split venturi dedusting auxiliary apparatus of claim 2, wherein: the end surface between the pressurizing cavity and the inner wall of the dust absorption auxiliary mechanism is lower than the end surface between the pressurizing cavity and the outer wall of the dust absorption auxiliary mechanism.

4. The split venturi dedusting auxiliary apparatus of claim 2, wherein: the pressurizing cavity is arranged at the matching end of the dust absorption auxiliary mechanism and the dust absorption opening and is a circular groove which is approximately concentric with the annular dust absorption auxiliary mechanism.

5. The split venturi dedusting auxiliary apparatus of claim 2, wherein: the outer diameter of the flow guide curve of the auxiliary dust absorption mechanism is larger than the inner diameter of the dust absorption opening, so that compressed air is discharged to the other end of the auxiliary dust absorption mechanism along the flow guide curve of the auxiliary dust absorption mechanism.

6. The split venturi dedusting auxiliary apparatus of claim 2, wherein: the compressed air inlet is arranged on the outer side wall of the dust collection auxiliary mechanism and communicated with the pressurization cavity.

7. The split venturi dedusting auxiliary apparatus of claim 1, wherein: the dust absorption opening is provided with an avoiding notch.

8. The split venturi dedusting auxiliary apparatus of claim 1, wherein: the dust collection port is provided with a dust collection port flow guide curve.

9. The split venturi dedusting auxiliary apparatus of claim 1, wherein: and a sealing ring is arranged between the dust suction port and the dust suction auxiliary mechanism.