CN211053465U

CN211053465U - Sand blasting system for preventing feeding blockage

Info

Publication number: CN211053465U
Application number: CN201921771294.2U
Authority: CN
Inventors: 晋华明
Original assignee: Wuhu Zhongyuan Composite New Mat Co ltd
Current assignee: Wuhu Zhongyuan Composite New Mat Co ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-07-21
Anticipated expiration: 2029-10-22

Abstract

The utility model discloses a prevent sand blasting system of feed jam, including sandblast tunnel storehouse, set up in sand grain spray gun and sand grain recovery conical bottom in the sandblast tunnel storehouse, the minimum of sand grain recovery conical bottom communicates the bottom of sand grain lifting machine through the sand grain recovery tube, the top of sand grain lifting machine sets up above the sand grain feed bin, the bottom of sand grain feed bin sets up in the vertical vibrating spring upper end that sets up of axis, vibrating spring's lower extreme is fixed to be set up on feeding bin base, still be provided with eccentric vibrating motor on the sand grain feed bin; the bottom of the sand feeding bin is also provided with a feeding opening valve, a feeding hopper is arranged below the feeding opening valve, the bottom of the feeding hopper is connected with the upper end of a sand feeding pipe, and the lower end of the sand feeding pipe is connected with the sand spray gun. The utility model discloses can retrieve used sand grain automatically and load, and retrieve the smooth and easy difficult emergence of action and block up.

Description

Sand blasting system for preventing feeding blockage

Technical Field

The utility model relates to a steel construction material production facility technical field, especially a sand blasting system who prevents feed jam.

Background

The surface of the steel structure product is subjected to sand blasting treatment, so that oil stains and burrs on the surface of the steel structure product can be removed, and the steel structure product is convenient to be subjected to surface treatment procedures such as zinc impregnation or Dacromet coating in the next step. Steel construction work piece sand blasting equipment among the prior art mainly adopts intermittent type formula operation mode: firstly, a batch of steel structure workpieces are hung in sand blasting equipment, sand blasting is loaded into a spraying bin, then sand blasting operation is carried out after the sand blasting equipment is sealed, the sand blasting equipment is opened again after the sand blasting operation is finished, the workpieces subjected to sand blasting treatment are taken out, and meanwhile, used sand blasting is recovered, so that the next sand blasting operation is carried out.

The defects of the operation mode include that the operation efficiency is low, the sand blasting loading is time-consuming and labor-consuming, and when the workpiece is taken out, part of dust is scattered to the working environment from the sand blasting equipment.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a sand blasting system for preventing feed blockage, which can automatically recover used sand grains and load the sand grains, and can smoothly recover the sand grains and prevent blockage.

The utility model provides a technical scheme that its technical problem adopted is:

A sand blasting treatment system for preventing feeding blockage comprises a sand blasting tunnel bin, a sand blasting gun arranged at the top of the inner side of the sand blasting tunnel bin and a sand recycling conical bottom arranged at the bottom of the sand blasting tunnel bin, wherein the lowest point of the sand recycling conical bottom is communicated with the bottom of a sand lifting machine through a sand recycling pipe, the top of the sand lifting machine is arranged above a sand feeding bin, the bottom of the sand feeding bin is arranged at the upper end of a vibrating spring with a vertically arranged axis, the lower end of the vibrating spring is fixedly arranged on a feeding bin base, and an eccentric vibrating motor is further arranged on the sand feeding bin; the bottom of the sand feeding bin is also provided with a feeding opening valve, a feeding hopper is arranged below the feeding opening valve, the bottom of the feeding hopper is connected with the upper end of a sand feeding pipe, and the lower end of the sand feeding pipe is connected with the sand spray gun.

As a further improvement of the technical scheme, the upper end of the sand grain spray gun is connected with an air outlet of a high-pressure fan, the lower end of the sand grain spray gun faces the sand blasting tunnel bin, and the side surface of the sand grain spray gun is communicated with the sand grain feeding pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

The utility model provides a prevent sand blasting processing system of feed jam can retrieve used sand automatically and load, and has feed opening valve and eccentric vibrating motor's sand grain feed bin through the setting to can control the feed speed of sandblast, prevent that the sandblast from taking place to block up in the pipeline.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic diagram of a blasting system for preventing feed clogging according to the present invention.

Detailed Description

Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of the present invention.

As shown in fig. 1, a sand blasting system for preventing feed blockage comprises a sand blasting tunnel bin 10, a sand blasting gun 20 arranged at the top of the inner side of the sand blasting tunnel bin 10, and a sand recovery conical bottom 17 arranged at the bottom of the sand blasting tunnel bin 10, wherein the lowest point of the sand recovery conical bottom 17 is communicated with the bottom of a sand hoisting machine 21 through a sand recovery pipe 19, the top of the sand hoisting machine 21 is arranged above a sand feeding bin 23, the bottom of the sand feeding bin 23 is arranged at the upper end of a vibrating spring 231 with a vertical axis, the lower end of the vibrating spring 231 is fixedly arranged on a feeding bin base 232, and an eccentric vibrating motor 233 is further arranged on the sand feeding bin 23; the bottom of the sand feeding bin 23 is further provided with a feeding opening valve 234, a feeding hopper 221 is arranged below the feeding opening valve 234, the bottom of the feeding hopper 221 is connected with the upper end of a sand feeding pipe 22, and the lower end of the sand feeding pipe 22 is connected with the sand spray gun 20.

Specifically, the upper end of the sand spray gun 20 is connected with an air outlet of a high pressure fan 30, the lower end of the sand spray gun 20 faces the inside of the sand blasting tunnel bin 10, and the side surface of the sand spray gun 20 is communicated with the sand feeding pipe 22. The both ends in sandblast tunnel storehouse 10 are provided with work piece inlet opening 13 and work piece outlet opening 14 respectively, work piece inlet opening 13 with be provided with between the work piece outlet opening 14 and pass the circulation transfer chain 11 in sandblast tunnel storehouse 10, 11 bottoms in circulation transfer chain are provided with the transport lifting hook 12 that is used for hanging the work piece, transport lifting hook 12 be a plurality of and equidistant set up in circulation transfer chain 11 is last. A sand rebounding barrier net 18 is arranged above the sand recovery conical bottom 17, and the sand rebounding barrier net 18 is horizontally arranged and is positioned below the circulating conveying line 11.

Further, the dust-removing and dust-removing device also comprises a dust-removing air suction opening arranged at the top of the inner side of the sand-blasting tunnel bin 10 and a spraying dust-removing bin 33 connected with an air inlet of the high-pressure fan 30; the top of the spraying dust removal bin 33 is provided with a dust removal spray header 331 for spraying water, the upper end of the side surface of the spraying dust removal bin 33 is provided with a dust removal gas outlet 332, the lower end of the side surface of the spraying dust removal bin 33 is provided with a dust removal gas inlet 333, the air inlet of the high-pressure fan 30 is communicated with the dust removal gas outlet 332, and the dust removal air suction opening is communicated with the dust removal gas inlet 333. The dust-removing air suction opening comprises an inlet air suction opening 31 and an outlet air suction opening 32, a first dustproof baffle curtain 15 is arranged on the inner side of the workpiece inlet 13, and a second dustproof baffle curtain 16 is arranged on the outer side of the workpiece outlet 14. The bottom of the spraying dedusting bin 33 is communicated with a spraying water discharge pipe 334, and the lower end of the spraying water discharge pipe 334 is arranged at the spraying water standing pool 34.

In operation, firstly, a workpiece is hung on the conveying hook 12 at the upstream of the sand blasting tunnel bin 10, then the workpiece is conveyed into the sand blasting tunnel bin 10 through the circulating conveying line 11, sand blasting guns 20 are used for blasting sand to the workpiece from a plurality of angles obliquely downwards like a conventional sand blasting device, part of sand directly passes through the sand rebounding barrier net 18 to enter the sand reclaiming pipe 19 during the downward movement of the sprayed sand, and part of sand impacts on the sand rebounding barrier net 18 to rebound, so that the workpiece is subjected to sand blasting operation from the bottom; since the downwardly ejected sand is large in quantity and kinetic energy and the upwardly rebounded sand is small in quantity and kinetic energy, the workpiece does not fall off the delivery hook 12 due to the rebounding of the lower sand.

The high-pressure fan 30 is used for providing high-pressure air flow for the sand spray gun 20, and simultaneously used for providing air draft negative pressure for the bin inlet air draft opening 31 and the bin outlet air draft opening 32, the spraying dust removal bin 33 is arranged between the bin inlet air draft opening 31 and the bin outlet air draft opening 32 and the high-pressure fan 30, dust is sprayed and removed, and high-speed air flow with large moisture sprayed by the high-pressure fan 30 is also beneficial to reducing dust generation.

The first dustproof curtain 15 and the second dustproof curtain 16 can adopt conventional rubber belt curtains, so that the dust in the sand blasting tunnel bin 10 can be prevented from diffusing outwards; by providing the sand feeding bin 23 with the feeding opening valve 234 and the eccentric vibration motor 233, the feeding speed of the blasting can be controlled to prevent the clogging of the blasting in the piping.

While the preferred embodiments of the present invention have been described in detail, it is to be understood that the present invention may be embodied in other forms than those specifically described and that various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention.

Claims

1. A blast processing system for preventing feed plugging, comprising: the sand blasting machine comprises a sand blasting tunnel bin (10), a sand blasting gun (20) arranged at the top of the inner side of the sand blasting tunnel bin (10), and a sand recovery conical bottom (17) arranged at the bottom of the sand blasting tunnel bin (10), wherein the lowest point of the sand recovery conical bottom (17) is communicated with the bottom of a sand hoisting machine (21) through a sand recovery pipe (19), the top of the sand hoisting machine (21) is arranged above a sand feeding bin (23), the bottom of the sand feeding bin (23) is arranged at the upper end of a vibrating spring (231) which is vertically arranged along an axis, the lower end of the vibrating spring (231) is fixedly arranged on a feeding bin base (232), and an eccentric vibrating motor (233) is further arranged on the sand feeding bin (23); the bottom of the sand feeding bin (23) is further provided with a feeding opening valve (234), a feeding hopper (221) is arranged below the feeding opening valve (234), the bottom of the feeding hopper (221) is connected with the upper end of a sand feeding pipe (22), and the lower end of the sand feeding pipe (22) is connected with the sand spray gun (20).

2. The blast processing system of claim 1, wherein: the upper end of the sand grain spray gun (20) is connected with an air outlet of a high-pressure fan (30), the lower end of the sand grain spray gun (20) faces the interior of the sand blasting tunnel bin (10), and the side face of the sand grain spray gun (20) is communicated with the sand grain feeding pipe (22).

3. The blast processing system of claim 2, wherein: the both ends in sandblast tunnel storehouse (10) are provided with work piece inlet opening (13) and work piece outlet opening (14) respectively, work piece inlet opening (13) with be provided with between work piece outlet opening (14) and pass the circulation transfer chain (11) in sandblast tunnel storehouse (10), circulation transfer chain (11) bottom is provided with transport lifting hook (12) that are used for hanging the work piece, transport lifting hook (12) for a plurality of and equidistant set up in on circulation transfer chain (11).

4. The blast processing system of claim 3, wherein: a sand rebounding blocking net (18) is arranged above the sand recovering conical bottom (17), and the sand rebounding blocking net (18) is horizontally arranged and is located below the circulating conveying line (11).

5. The blast processing system of claim 3, wherein: the dust-removing and dust-removing device also comprises a dust-removing air suction opening arranged at the top of the inner side of the sand-blasting tunnel bin (10) and a spraying dust-removing bin (33) connected with an air inlet of the high-pressure fan (30); the top that sprays dust removal storehouse (33) is provided with dust removal shower head (331) that are used for the water spray, the side upper end that sprays dust removal storehouse (33) is provided with dust removal gas outlet (332), the side lower extreme that sprays dust removal storehouse (33) is provided with dust removal gas inlet (333), the air intake intercommunication of high pressure positive blower (30) dust removal gas outlet (332), the dust removal suction opening intercommunication dust removal gas inlet (333).

6. The blast processing system of claim 5, wherein: the dust removal air suction opening comprises an inlet air suction opening (31) and an outlet air suction opening (32), a first dustproof baffle curtain (15) is arranged on the inner side of the workpiece inlet opening (13), and a second dustproof baffle curtain (16) is arranged on the outer side of the workpiece outlet opening (14).

7. The blast processing system of claim 5, wherein: the bottom of the spraying dedusting bin (33) is communicated with a spraying water discharge pipe (334), and the lower end of the spraying water discharge pipe (334) is arranged at a spraying water standing pool (34).