CN216940153U

CN216940153U - Press-in type sand blasting device

Info

Publication number: CN216940153U
Application number: CN202122223002.5U
Authority: CN
Inventors: 李伟; 万志刚; 王涛; 刘凯基; 郑国飞; 房强强
Original assignee: Qingdao Zichai Boyang Diesel Engine Co ltd
Current assignee: Qingdao Zichai Boyang Diesel Engine Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-07-12
Anticipated expiration: 2031-09-14

Abstract

The utility model relates to the technical field of sand blasting and paint removing, and provides a press-in type sand blasting device, wherein a pressurizing tank is connected with an air inlet pipeline through a high-pressure pipeline, a pressure regulating valve is arranged on the air inlet pipeline, the pressurizing tank is connected with a spray gun through a sand discharge pipeline, a regulating valve is arranged on the sand discharge pipeline, a pressure gauge is connected onto the pressurizing tank, the pressure regulating valve can regulate the air inlet amount entering the high-pressure pipeline and the pressurizing tank from the air inlet pipeline, the regulating valve can regulate the sand outlet amount of the spray gun, the pressure gauge is convenient for workers to observe the internal pressure change, so that the sand outlet amount and the air amount reach the most appropriate parameter values, the paint removing effect is improved, compressed air is adopted to drive fine sand to carry out paint removing treatment, the use of a powerful paint remover is avoided, the odor and the pollution are eliminated, only one person is needed to control the spray gun, and one person controls each valve on the sand blasting device, the operation is simple, the number of times of adding sand and the number of operating personnel can be reduced, the labor intensity is reduced, and the operation efficiency is improved.

Description

Press-in type sand blasting device

Technical Field

The utility model belongs to the technical field of sand blasting and paint removing, and particularly relates to a press-in type sand blasting device.

Background

After the production of one marine diesel engine is finished, customers cannot lift the diesel engine in time due to various reasons, so that the diesel engine is seriously unloaded and the capital turnover is difficult for companies. Therefore, the machine needs to be modified, and the paint needs to be treated before modification.

The existing mode of depainting treatment of the diesel engine generally uses a powerful depainting agent to depaint, the depainting work of one diesel engine is not completed, the time is required for several days, the work period is long, the work efficiency is low, and because the secondary paint spraying treatment is carried out before the machine, two layers of paint are difficult to clean, the work heavy efficiency is low, the smell is large, and the pollution is serious.

Looking up a large amount of data and knowing, there is the sand blasting machine who is used for the depainting specially, uses high-pressure wind to beat the sand to the workpiece surface, reaches the effect of depainting, because marine diesel engine is bulky, and most mobilizable sand blasting machine capacity is less, and whole depainting in-process need add sand many times, has reduced work efficiency.

SUMMERY OF THE UTILITY MODEL

Against this background, it is an object of the present invention to provide a press-in type blasting apparatus.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a forced sand blasting unit, is including the pressurization jar, the pressurization jar is still through high-pressure line connection air inlet pipeline, just install the air-vent valve on the air inlet pipeline, the pressurization jar passes through sand discharge pipe connection spray gun, install the governing valve on the sand discharge pipe, just be connected with the manometer on the pressurization jar.

Preferably, an air inlet is formed in one end of the air inlet pipeline, the pressure regulating valve is located between the high-pressure pipeline and the air inlet, and the other end of the air inlet pipeline is further connected with the spray gun.

Preferably, still include the protective frame, the pressurization jar is located the protective frame, the protective frame passes through a plurality of leg joint bases, sand discharge pipeline, air inlet pipeline and spray gun are located between a plurality of supports.

Preferably, install worm wheel and worm in the base, the tip of a plurality of supports is installed in worm wheel one side, and the worm wheel opposite side rotates to be connected on the base, worm wheel and worm meshing are connected.

Preferably, a rotating handle is mounted at the end of the worm.

Preferably, the sand discharge pipeline, the air inlet pipeline and the spray gun are communicated with each other through a tee joint.

Preferably, the pressurizing tank is further provided with a sand adding port.

The utility model has the following beneficial effects:

1. the sand outlet amount of the spray gun can be adjusted by adjusting and controlling the pressure regulating valve on the air inlet pipeline, the pressure gauge in the pressurization tank is convenient for workers to observe the internal pressure change, and the most reasonable working pressure is obtained through repeated tests, so that the sand outlet amount and the air amount reach the most appropriate parameter values, the paint removing effect is further improved, the compressed air is adopted to drive fine sand to carry out paint removing treatment, the use of a powerful paint remover is avoided, and the odor and pollution are eliminated;

2. only one person is needed to control the spray gun, and only one person controls each valve on the sand blasting device, so that the operation is simple, the number of sand adding times and the operating personnel can be reduced, the labor intensity is reduced, and the operating efficiency is improved;

3. the fine sand is treated by the advanced screening, so that the sand blasting and paint removing time can be saved while the pipeline of the sand blasting machine is prevented from being blocked, the working efficiency is improved, the mode of paint removing is carried out by using the fine sand, and the pollution to the environment is reduced on the premise of ensuring the working efficiency.

To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a schematic structural view of a press-in type sand blasting device of the utility model;

fig. 2 is an isometric view of a press-in type sand blasting device of the utility model;

fig. 3 is an isometric view of a worm wheel and worm in the utility model.

Reference numerals: 1-a pressurizing tank, 2-a sand adding port, 3-a high-pressure pipeline, 4-a spray gun, 5-an air inlet pipeline, 51-a pressure regulating valve, 6-an air inlet, 7-a pressure gauge, 8-a protective frame, 9-a base, 10-a support, 11-a worm wheel, 12-a worm, 121-a rotating handle, 13-a sand discharging pipeline, 131-a regulating valve and 14-a tee joint.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and do not limit the utility model.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

Example 1

Referring to fig. 1 to 2, a press-in type sand blasting device includes a pressure tank 1, wherein the pressure tank 1 is manufactured by cutting two unused liquefied gas tanks (each liquefied gas tank is equivalent to a pressure vessel), welding and assembling the two pressure vessels together to form a slightly larger pressure vessel (pressure tank 1), so as to increase the volume of the pressure tank 1 and prolong the time of single operation, the pressure tank 1 is further connected with an air inlet pipeline 5 through a high pressure pipeline 3, a pressure regulating valve 51 is installed on the air inlet pipeline 5, the pressure tank 1 is connected with a spray gun 4 through a sand discharge pipeline 13, an adjusting valve 131 is installed on the sand discharge pipeline 13, a pressure gauge 7 is connected with the pressure tank 1, and air enters the high pressure pipeline 3 through the air inlet pipeline 5 and then enters the pressure tank 1 to increase the air pressure in the pressure tank 1, thereby make inside fine sand discharge through sand discharge pipeline 13 and spray gun 4, this is the basic operation principle of this scheme, on this basis, through the air-vent valve 51 on the regulation control air inlet pipeline 5, can adjust the intake volume that gets into in high-pressure line 3 and the pressurization jar 1 from air inlet pipeline 5, through the governing valve 131 on the regulation control sand discharge pipeline 13, can adjust the sand yield of spray gun 4, manometer 7 in the pressurization jar 1 is convenient for the staff to observe inside pressure variation, reachs the most reasonable operating pressure through the repetition test, thereby make sand yield and amount of wind reach a most suitable parameter value, and then improved the paint removal effect, adopt compressed air to drive fine sand and carry out the depainting treatment, the use of powerful paint remover has been avoided, smell and pollution have been eliminated.

Referring to fig. 1, preferably, the high-pressure pipeline 3 is designed as a steel braided pressure pipe, and has the characteristics of good bending resistance and good toughness.

It should be noted here that, before reacing the most reasonable operating pressure through the repetition test, need purchase the fine sand and experiment, because the fine sand granule is uneven, there is the tiny stone to mix in the fine sand, block up the sand blasting machine pipeline easily, consequently, made thinner iron mesh sieve again, the processing of sieving the fine sand, clear up the tiny stone, only remain tiny grit, the repacking jar is used, the fine sand has been handled through sieve in advance, when preventing to block up the sand blasting machine pipeline, the time of sandblast depainting can be saved, thereby work efficiency has been improved, carry out the mode of depainting through using the fine sand, under the prerequisite of guaranteeing work efficiency, reduce the pollution to the environment.

Referring to fig. 1 and 2, further, an air inlet 6 is disposed at one end of the air inlet pipeline 5, the pressure regulating valve 51 is located between the high-pressure pipeline 3 and the air inlet 6, the other end of the air inlet pipeline 5 is further connected to the spray gun 4, and the external air enters the air inlet pipeline 5 through the air inlet 6.

Referring to fig. 1 and 2, further, the sand discharge pipeline 13, the air inlet pipeline 5 and the spray gun 4 are communicated with each other through a tee 14, when sand discharged from the sand discharge pipeline 13 enters the tee 14, air in the air inlet pipeline 5 blows sand to rapidly enter the spray gun 4, and then the sand is discharged from a sand blasting opening of the spray gun 4, so that the phenomenon that the sand is blocked at the joint of the sand discharge pipeline 13 and the spray gun 4 can be avoided, and the sand discharge device has the characteristic of good sand discharge performance stability.

Referring to fig. 1 and 2, further, a sand adding port 2 is further installed on the pressure tank 1, and after sand in the pressure tank 1 is used up, air is stopped to add sand from the sand adding port 2.

Example 2

Referring to fig. 1, the sand discharge pipe 13, the air inlet pipe 5 and the spray gun 4 are arranged among the plurality of supports 10, the pressurizing tank 1 is placed in the protective frame 8, the pressurizing tank 1 can be prevented from being damaged due to severe impact, a layer of cushion pad (sponge or foam and the like) can be laid in the protective frame 8, on one hand, the effect of damping and buffering the pressurizing tank 1 can be achieved, on the other hand, noise generated by mutual vibration between the pressurizing tank 1 and the protective frame 8 during work can be reduced, and the plurality of supports 10 can achieve the supporting effect.

Please refer to fig. 1 and fig. 3, further, a worm wheel 11 and a worm 12 are installed in the base 9, the end portions of the plurality of brackets 10 are installed on one side of the worm wheel 11, the other side of the worm wheel 11 is rotatably connected to the base 9, the worm wheel 11 and the worm 12 are meshed and connected, when the portable sand blasting device is used, when a worker inconveniently holds the angle of the spray gun 4 by hand, the worm wheel 11 can be driven to rotate only by rotating the worm 12, and the spray gun 4 and the pressure tank 1 are connected with the brackets 10 in an installing manner, so that the whole sand blasting device can be driven to rotate when the worm wheel 11 rotates, the angle of the spray gun 4 can be adjusted, the angle of the pressure regulating valve 51 and the pressure gauge 7 can be adjusted, the worker can adjust the pressure regulating valve 51 and check the parameter value on the pressure gauge conveniently, and the portable sand blasting device has the characteristic of convenient use.

Referring to fig. 3, further, a rotating handle 121 is installed at an end of the worm 12, and the design of the rotating handle 121 is relatively common in the prior art, mainly for facilitating a worker to rotate the worm 12, and a specific structural form of the rotating handle is designed to be a disk shape, and may also be designed to be a remote sensing shape, and the like, which is not limited herein.

The rest of the structure of this example is the same as example 1.

The working principle of the utility model is as follows: when in use, the fine sand which is sieved in advance is added into the pressure tank 1 from the sand adding port 2, then the air compression equipment is started to start to pressurize the pressure tank 1, the outside air is sucked from the air inlet 6 on the air inlet pipeline 5, the air inlet pipeline 5 enters the high-pressure pipeline 3, then enters the pressure tank 1 to increase the air pressure in the pressure tank 1, so that the fine sand in the pressure tank is discharged through the sand discharge pipeline 13 and the spray gun 4, the air inlet quantity entering the high-pressure pipeline 3 and the pressure tank 1 from the air inlet pipeline 5 can be adjusted by adjusting and controlling the pressure regulating valve 51 on the air inlet pipeline 5, the sand discharge amount of the spray gun 4 can be adjusted by adjusting and controlling the adjusting valve 131 on the sand discharge pipeline 13, the pressure gauge 7 in the pressure tank 1 is convenient for workers to observe the pressure change inside, obtaining the most reasonable working pressure through repeated tests, so that the sand yield and the air volume reach the most appropriate parameter values; when the condition that the angle of the spray gun 4 is inconvenient to adjust through holding by a worker or the angle of the pressure adjusting valve 51 and the pressure gauge 7 needs to be adjusted, the worker can rotate the worm 12 through the rotating handle 121, and then the whole sand blasting device is driven to rotate through the worm wheel 11, so that the spray gun 4, the pressure adjusting valve 51 and the pressure gauge 7 can be adjusted to a proper angle.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a forced sand blasting unit, is including pressurizing jar (1), its characterized in that, pressurizing jar (1) still connects air inlet pipeline (5) through high-pressure pipeline (3), just install air-vent valve (51) on air inlet pipeline (5), pressurizing jar (1) is through arranging sand pipeline (13) connection spray gun (4), arrange sand pipeline (13) on install governing valve (131), just be connected with manometer (7) on pressurizing jar (1).

2. The forced sand blasting device of claim 1, wherein an air inlet (6) is arranged at one end of the air inlet pipeline (5), the pressure regulating valve (51) is positioned between the high-pressure pipeline (3) and the air inlet (6), and the other end of the air inlet pipeline (5) is further connected with the spray gun (4).

3. The forced sand blasting device of claim 1, further comprising a protective frame (8), wherein the pressure tank (1) is located in the protective frame (8), the protective frame (8) is connected to the base (9) through a plurality of brackets (10), and the sand discharge pipeline (13), the air inlet pipeline (5) and the spray gun (4) are located among the plurality of brackets (10).

4. The forced sand blasting device of claim 3, wherein a worm wheel (11) and a worm (12) are installed in the base (9), the ends of the plurality of brackets (10) are installed on one side of the worm wheel (11), the other side of the worm wheel (11) is rotatably connected to the base (9), and the worm wheel (11) is meshed with the worm (12).

5. The device of claim 4, wherein the end of the worm (12) is fitted with a rotating handle (121).

6. A forced blasting apparatus according to claim 1, characterised in that the sand discharge line (13), the air inlet line (5) and the blasting lance (4) are interconnected by a tee (14).

7. A forced blasting apparatus according to claim 1, wherein the pressure tank (1) is further provided with a sand adding port (2).