CN215433240U

CN215433240U - Sand blasting machine with negative pressure jet function

Info

Publication number: CN215433240U
Application number: CN202121307092.XU
Authority: CN
Inventors: 丁宝传; 张梓; 施海健
Original assignee: Jiangsu Liyuan Jinhe Foundry Co ltd
Current assignee: Jiangsu Liyuan Jinhe Foundry Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-01-07
Anticipated expiration: 2031-06-11

Abstract

The utility model relates to the technical field of sand blasting, and particularly discloses a sand blasting machine with a negative pressure injection function, which comprises a machine body, a filter screen, a rotary table, a storage hopper, a sand blasting gun and an exhaust valve, wherein the filter screen is arranged in the machine body, the rotary table is arranged on the filter screen, the storage hopper is arranged right below the filter screen, the sand blasting gun is positioned above the filter screen, the sand blasting gun is connected with a discharge port of the storage hopper through a feed pipeline, the sand blasting gun is connected with the exhaust valve through an air inlet pipeline, the exhaust valve is arranged on a supporting leg at the lower part of the machine body, and one side of the exhaust valve is also connected with a compression system. The rotary table in the sand blasting machine is arranged on the bracket through the rotary shaft, so that the workpiece is more uniform in the sand blasting process; the sand blasting gun sprays the workpiece in a negative pressure suction mode, so that the spraying time is short, and the working efficiency is effectively improved; the dust collection system sucks fine particles in the machine body through the dust collection pipeline, so that the fine particles are effectively prevented from falling into the storage hopper, and the purity of the quartz sand is higher.

Description

Sand blasting machine with negative pressure jet function

Technical Field

The utility model belongs to the technical field of sand blasting, and particularly relates to a sand blasting machine with a negative pressure jetting function.

Background

The sand blasting machine adopts compressed air as power to form a high-speed blasting beam to spray blasting materials (steel sand, quartz sand, carborundum, glass sand and resin sand) to the surface of a workpiece to be treated at high speed, so that the mechanical property of the outer surface of the workpiece is changed. The spray material has impact and cutting effects on the surface of the workpiece, so that the surface of the workpiece has certain cleanliness and different roughness, and the mechanical property of the surface of the workpiece is improved, so that the fatigue resistance of the workpiece is improved, the adhesive force between the surface of the workpiece and a coating is increased, the durability of the coating is prolonged, the coating is favorable for leveling and decoration of the coating, and impurities, variegations, black substances and an oxide layer on the surface of the workpiece can be removed by sand blasting treatment.

The traditional sand blasting equipment usually enables a workpiece to rotate and sand blast a workpiece by keeping a spray gun still, or enables the workpiece to rotate and sand blast by keeping the spray gun still, and has poor sand blasting treatment effect on some workpieces with irregular shapes and local missing spraying, so that the sand blasting precision of the workpiece is low and the yield is low;

the sand blasting machine has the advantages that a large amount of mixture of dust, workpiece fragments and sand materials can be generated during sand blasting, the dust easily pollutes air, the sand materials can be recycled, the dust removal effect of the traditional sand blasting equipment is poor, the separation effect of the mixture of the dust, the workpiece fragments and the sand materials is poor, the recycling rate of the sand materials is low, the processing cost is high, and therefore the sand blasting machine with the negative pressure spraying function is needed at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sand blasting machine with a negative pressure jetting function, and solves the problems.

In order to solve the technical problem, the utility model provides a sand blasting machine with a negative pressure injection function, which comprises a machine body, a filter screen, a rotary table, a storage hopper, a sand blasting gun and an exhaust valve, wherein the filter screen is arranged in the machine body, the rotary table is arranged on the filter screen, the storage hopper is arranged under the filter screen, the sand blasting gun is positioned above the filter screen, the sand blasting gun is connected with a discharge port of the storage hopper through a feed pipeline, the sand blasting gun is connected with the exhaust valve through an air inlet pipeline, the exhaust valve is arranged on a supporting leg at the lower part of the machine body, and one side of the exhaust valve is also connected with a compression system.

Furthermore, a support is arranged on the filter screen, and the rotating table is connected with the support through a rotating shaft.

Further, an electrical box is arranged at the upper end of the machine body, and a pressure switch is arranged in the electrical box.

Furthermore, an electromagnetic valve is arranged on the exhaust valve.

Furthermore, the bottom of the machine body is provided with a foot switch, and the foot switch is connected with the pressure switch.

Furthermore, the top of the machine body is also connected with a dust collection system.

The sand blasting machine has the beneficial effects that the rotary table in the sand blasting machine is arranged on the bracket through the rotary shaft, so that a workpiece is more uniform in the sand blasting process; the sand blasting gun sprays the workpiece in a negative pressure suction mode, so that the spraying time is short, and the working efficiency is effectively improved; the dust collection system sucks fine particles in the machine body through the dust collection pipeline, so that the fine particles are effectively prevented from falling into the storage hopper, and the purity of the quartz sand is higher.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described 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 to obtain other drawings without creative efforts.

FIG. 1 is an overall configuration diagram of a blasting machine having a negative pressure jetting function;

in the figure: 1-machine body, 2-filter screen, 3-rotary table, 4-storage hopper, 5-sand blasting gun, 6-exhaust valve, 7-feeding pipeline, 8-air inlet pipeline, 9-electric box, 10-electromagnetic valve, 11-foot switch and 12-rotary shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the specification of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 protection scope of the present invention.

In a specific embodiment of the present invention, as shown in fig. 1, a sand blasting machine with a negative pressure injection function is specifically disclosed, which includes a machine body 1, a filter screen 2, a rotary table 3, a storage hopper 4, a sand blasting gun 5 and an exhaust valve 6, wherein the filter screen 2 is disposed in the machine body 1, the filter screen 2 is provided with a support, the rotary table 3 is connected with the support through a rotating shaft 12, the storage hopper 4 is disposed under the filter screen 2, the sand blasting gun 5 is disposed above the filter screen 2, the sand blasting gun 5 is connected with a discharge port of the storage hopper 4 through a feed pipe 7, the sand blasting gun 5 is connected with the exhaust valve 6 through a gas inlet pipe 8, the feed pipe 7 adopts a thickening pipe, the exhaust valve 6 is disposed on a supporting foot at the lower part of the machine body 1, one side of the exhaust valve 6 is further connected with a compression system, the exhaust valve 6 is a quick exhaust valve, and the exhaust valve 6 is provided with an electromagnetic valve 10.

An electrical box 9 is arranged at the upper end of the machine body 1, and a pressure switch is arranged in the electrical box 9.

The top of the machine body 1 is also connected with a dust collection system which is used for absorbing and removing fine particles in the machine body 1.

The bottom of organism 1 is equipped with foot switch 11, and foot switch 11 is connected with pressure switch, and foot switch 11 tramples the control through the personnel to make pressure switch open, pressure switch spreads the signal and gives the switch board, spreads the signal again by the switch board and gives the solenoid valve, thereby opens discharge valve 6.

The working process of the utility model is as follows: firstly, a foot switch 11 is treaded, the foot switch 11 drives a pressure switch to be opened, the pressure switch transmits a signal to a control cabinet, then the control cabinet transmits a signal to an electromagnetic valve, so that an exhaust valve 6 is opened, the exhaust valve 6 discharges 0.7 MPa compressed air to a sand blasting gun 5 through an air inlet pipeline 7, the compressed air forms negative pressure in the sand blasting gun 5 to suck out superhard quartz sand (with the hardness of 7.5 Mohs and the granularity of 70-100 meshes) in a storage hopper 4 to mix, so that a high-speed jet beam is formed, the superhard quartz sand and the compressed air are sprayed together to a workpiece on a rotating table 3 and are sprayed to the surface of an inner cavity of the workpiece, the spraying time is 30-40S, the blackened substances on the surface of the inner cavity are separated from the surface of the inner cavity, and the cleanliness, the roughness and the like of the inner cavity of the workpiece can meet requirements.

The above disclosure is only one preferred embodiment of the present invention, and certainly should not be construed as limiting the scope of the utility model, which is defined by the claims and their equivalents.

Claims

1. The utility model provides a sand blasting machine with negative pressure sprays function, its characterized in that, includes organism (1), filter screen (2), revolving stage (3), storage hopper (4), sand blasting gun (5) and discharge valve (6), filter screen (2) set up in organism (1), revolving stage (3) set up on filter screen (2), storage hopper (4) set up under filter screen (2), sand blasting gun (5) are located the top of filter screen (2), sand blasting gun (5) through charge-in pipeline (7) with the discharge gate of storage hopper (4) is connected, sand blasting gun (5) through admission line (8) with discharge valve (6) are connected, discharge valve (6) set up on the supporting legs of organism (1) lower part, one side of discharge valve (6) still even has compression system.

2. The sand blasting machine with the negative pressure spraying function according to claim 1, wherein a bracket is arranged on the filter screen (2), and the rotating platform (3) is connected with the bracket through a rotating shaft (12).

3. The sand blasting machine with the negative pressure jetting function as claimed in claim 1, wherein an electrical box (9) is arranged at the upper end of the machine body (1), and a pressure switch is arranged in the electrical box (9).

4. A blasting machine with negative pressure blasting function according to claim 1, characterized in that the exhaust valve (6) is provided with a solenoid valve (10).

5. A sand blasting machine with negative pressure jet function according to claim 3, characterized in that the bottom of the machine body (1) is provided with a foot switch (11), and the foot switch (11) is connected with the pressure switch.

6. The sand blasting machine with the negative pressure spraying function is characterized in that a dust suction system is further connected to the top of the machine body (1).