CN118752425A - A sandblasting device for grinding burrs - Google Patents

Abstract

The present application provides a sandblasting device for grinding burrs, which belongs to the technical field of sandblasting equipment. The device is provided with a sand supply mechanism and a sandblasting machine. The sand supply mechanism is provided with a sand supply seat and a sand supply bucket. The sand supply bucket is arranged above the sand supply seat. A spring piece is arranged between the sand supply seat and the sand supply bucket. A plurality of spring pieces are provided and distributed on the lower edge of the sand supply bucket. The spring pieces are all arranged tilted from bottom to top along the circumferential direction of the sand supply bucket. A vibrator provides a force in the vertical direction to the sand supply bucket, so that the sand supply bucket vibrates up and down, so that the quartz sand is evenly distributed at the bottom of the sand supply bucket. In the process of the up and down vibration of the sand supply bucket, the spring piece will generate a force to drive the sand supply bucket to rotate, driving the circumferential direction of the sand supply bucket to rotate clockwise and counterclockwise, and the frequency of the rotation of the sand supply bucket is the same as the frequency of the up and down vibration of the sand supply bucket. The quartz sand will spiral from bottom to top along the conveying thread to the sand supply port, and the quartz sand enters the sand supply pipe through the sand supply port. The sand supply pipe supplies quartz sand to the sandblasting machine evenly and stably.

Description

A sandblasting device for grinding burrs

Technical Field

The present application belongs to the technical field of sandblasting equipment, and more specifically, relates to a sandblasting device for grinding burrs.

Background Art

Sand blasting is a process of cleaning and polishing the surface of a substrate by the impact of a high-speed sand stream. Compressed air is used as the power to form a high-speed jet beam to spray the material at high speed onto the surface of the workpiece to be processed, so that the appearance or shape of the outer surface of the workpiece changes. Due to the impact and cutting action of the abrasive on the workpiece surface, the burrs on the workpiece surface are processed, so that the surface of the workpiece obtains a certain degree of cleanliness and appropriate roughness, the mechanical properties of the workpiece surface are improved, and the fatigue resistance of the workpiece is improved.

The existing sandblasting machine includes a sandblasting pot, a sandblasting tube and a sandblasting gun; the sandblasting pot is connected to an external compressed air source through a pipeline; the sandblasting pot is provided with a sand outlet, and the sand outlet seals the sandblasting pot through a sand outlet valve; the sandblasting tube is connected to the sand outlet, and the sandblasting gun is connected to the sandblasting tube and quartz sand is sprayed out under the action of the external compressed air source.

The existing sandblasting device for grinding burrs has the following disadvantages: quartz sand is sprayed out under the action of an external compressed air source, and the compressed air is both a feeding power and an accelerating power. During the quartz sand spraying process, there is a lack of buffering and the flow rate of the sprayed quartz sand cannot be controlled, resulting in impact on the workpiece surface and uneven cutting, and cannot meet the needs of high-precision products.

Summary of the invention

The purpose of the present invention is to make up for the deficiencies of the prior art and provide a sandblasting device for grinding burrs. The technical solution adopted in this application is:

A sandblasting device for grinding burrs is provided with a sand supply mechanism and a sandblasting machine. A sand supply pipe is provided between the sand supply barrel and the sandblasting machine. The sand supply mechanism is provided with a sand supply seat and a sand supply barrel. The sand supply barrel is provided above the sand supply seat. Shrapnel is provided between the sand supply seat and the sand supply barrel. A plurality of shrapnel are provided and distributed on the lower edge of the sand supply barrel. The shrapnel are all inclined from bottom to top along the circumferential direction of the sand supply barrel. A sand supply pipe is provided between the sand supply barrel and the sandblasting machine. A sand supply port is provided at the upper end of the sand supply barrel. The sand supply port is connected with the sand supply pipe. A conveying thread is provided on the inner side surface of the sand supply barrel. The conveying thread spirals from bottom to top along the inner side surface of the sand supply barrel. The sand supply port is provided at the top of the conveying thread. The sand supply mechanism is also provided with a vibrator. The vibrator is used to drive the sand supply barrel to vibrate up and down.

Preferably, the spring pieces have the same shape and are all straight plate-shaped.

Preferably, an upper connecting portion is provided at the upper end of the spring piece and a lower connecting portion is provided at the lower end; an upper connecting block is provided at the lower end of the sand supply bucket, and the upper connecting block is provided with an upper inclined surface; a lower connecting block is provided at the upper end of the sand supply seat, and the lower connecting block is provided with a lower inclined surface, and the upper inclined surface is parallel to the lower inclined surface; the upper connecting portion is abutted against and fixed on the upper inclined surface, and the lower connecting portion is abutted against and fixed on the lower inclined surface.

Preferably, the upper connecting part and the upper inclined surface are connected by bolts, and the lower connecting part and the lower inclined surface are connected by bolts; the upper connecting part and the lower connecting part are both provided with connecting holes, and the upper connecting block and the lower connecting block are both provided with connecting screw holes, and the bolts penetrate the connecting holes and are inserted into the connecting screw holes.

Preferably, four spring pieces are provided and are evenly distributed along the circumferential direction of the sand supply barrel.

Preferably, the vibrator is provided with an electromagnet and a magnetic block, the magnetic block is arranged above the electromagnet, and there is a gap between the electromagnet and the magnetic block; the magnetic block is linked to the sand supply barrel, and the electromagnet is fixed on the sand supply seat.

Preferably, the vibrator is further provided with a controller, and the controller is used to control the voltage and frequency of the electromagnet.

Preferably, the sand supply mechanism is further provided with a sealing tank and an air pump, an air filling pipe is provided between the sealing tank and the air pump, a sealing cavity is provided in the sealing tank, and the air pump is used to pressurize the sealing cavity; the sand supply bucket is provided in the sealing cavity.

Preferably, the sand supply mechanism is further provided with a sand storage tank, which is arranged above the sand supply barrel, a sand supply pipe is arranged between the sand storage tank and the sand supply barrel, and the lower end of the sand supply pipe extends into the sand supply barrel; quartz sand is arranged in the sand storage tank.

The advantages of the present invention are as follows:

The vibrator provides a vertical force to the sand supply bucket, so that the sand supply bucket vibrates up and down, and the quartz sand in the sand supply bucket vibrates with the sand supply bucket, so that the quartz sand is evenly distributed at the bottom of the sand supply bucket; there are multiple spring pieces distributed on the lower edge of the sand supply bucket, and the spring pieces are tilted from bottom to top along the circumferential direction of the sand supply bucket. During the up and down vibration of the sand supply bucket, the spring pieces will generate a force to drive the sand supply bucket to rotate, driving the circumferential direction of the sand supply bucket to rotate clockwise and counterclockwise, and the rotation frequency of the sand supply bucket is the same as the frequency of the up and down vibration of the sand supply bucket; the quartz sand will spiral from bottom to top along the conveying thread to the sand supply port, and the quartz sand will enter the sand supply pipe through the sand supply port, and the sand supply pipe will supply quartz sand to the sand blasting machine evenly and stably;

The spring pieces are in the same shape and are straight plate-shaped, and are made of metal material with good toughness; driven by the vibrator, the sand supply barrel can vibrate sensitively, and the quartz sand can spiral smoothly from bottom to top along the conveying thread.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained like these drawings without paying creative labor.

FIG1 is a schematic diagram of a sandblasting device for grinding burrs;

FIG2 is a schematic diagram of a sand supply seat and a sand supply bucket;

FIG3 is a schematic diagram of the sand supply seat and the sand supply bucket from another angle;

FIG4 is a schematic diagram of the connection between the sand supply seat and the sand supply bucket;

FIG5 is a schematic diagram of a shrapnel;

FIG. 6 is a schematic diagram of a sand storage tank and a sand supply bucket.

Explanation of symbols in the figure:

1 is a sand supply mechanism, 11 is a sand supply seat, 111 is a lower connecting block, 1111 is a lower inclined surface, 1112 is a lower connecting screw hole, 12 is a sand supply barrel, 121 is a sand supply port, 122 is a conveying thread, 123 is an upper connecting block, 1231 is an upper inclined surface, 1232 is an upper connecting screw hole, 13 is a spring, 131 is an upper connecting part, 1311 is an upper connecting hole, 132 is a lower connecting part, 1321 is a lower connecting hole, 14 is a sand supply pipeline, 15 is a vibrator, 151 is an electromagnet, 152 is a magnetic block, 16 is a sealing tank, 161 is a sealing chamber, 162 is an air charging hole, 163 is a pressure relief port, 17 is a sand storage tank, and 171 is a sand supply pipe.

DETAILED DESCRIPTION

In order to make the technical problems, technical solutions and beneficial effects to be solved by this application more clearly understood, this application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not used to limit this application.

The sandblasting device for grinding burrs provided in the embodiment of the present application is now described.

As shown in FIG1 , a sandblasting device for grinding burrs is provided with a sand supply mechanism 1 and a sandblasting machine. The sand supply mechanism 1 is used to supply quartz sand to the sandblasting machine, and the sandblasting machine sprays the quartz sand onto the surface of the workpiece to be processed through a nozzle.

As shown in Figures 1 to 5, the sand supply mechanism 1 is provided with a sand supply seat 11 and a sand supply bucket 12. The sand supply bucket 12 is arranged above the sand supply seat 11. A spring 13 is arranged between the sand supply seat 11 and the sand supply bucket 12. There are multiple springs 13 distributed on the lower edge of the sand supply bucket 12. The springs 13 are all inclined from bottom to top along the circumferential direction of the sand supply bucket 12; a sand supply pipe 14 is arranged between the sand supply bucket 12 and the sand blasting machine, and a sand supply port 121 is arranged at the upper end of the sand supply bucket 12, and the sand supply port 121 is connected to the sand supply pipe 14; a conveying thread 122 is arranged on the inner side surface of the sand supply bucket 12, and the conveying thread 122 spirals from bottom to top along the inner side surface of the sand supply bucket 12, and the sand supply port 121 is arranged at the top of the conveying thread 122; the sand supply mechanism 1 is also provided with a vibrator 15, and the vibrator 15 is used to drive the sand supply bucket 12 to vibrate.

The vibrator 15 provides a vertical force to the sand supply bucket 12, so that the sand supply bucket 12 vibrates up and down, and the quartz sand in the sand supply bucket 12 vibrates along with the sand supply bucket 12, so that the quartz sand is evenly distributed at the bottom of the sand supply bucket 12; there are multiple spring pieces 13 distributed on the lower edge of the sand supply bucket 12, and the spring pieces 13 are tilted from bottom to top along the circumferential direction of the sand supply bucket 12. During the up and down vibration of the sand supply bucket 12, the spring pieces 13 will generate a force to drive the sand supply bucket 12 to rotate, driving the circumferential direction of the sand supply bucket 12 to rotate clockwise and counterclockwise. The frequency of the clockwise and counterclockwise rotation of the sand supply bucket 12 is the same as the frequency of the up and down vibration of the sand supply bucket 12; there is quartz sand in the sand supply bucket 12, and the quartz sand will spiral from bottom to top along the conveying thread 122 to the sand supply port 121, and the quartz sand will enter the sand supply pipe 14 evenly and stably through the sand supply port 121.

The spring pieces 13 have the same shape and are all straight plates. In this embodiment, the spring pieces 13 are made of a metal material with good toughness. Driven by the vibrator 15, the sand supply barrel 12 can vibrate sensitively, and the quartz sand can smoothly spiral from bottom to top along the conveying thread 122.

An upper connecting portion 131 is provided at the upper end of the spring piece 13, and a lower connecting portion 132 is provided at the lower end; an upper connecting block 123 is provided at the lower end of the sand supply bucket 12, and the upper connecting block 123 is provided with an upper inclined surface 1231; a lower connecting block 111 is provided at the upper end of the sand supply seat 11, and the lower connecting block 111 is provided with a lower inclined surface 1111, and the upper inclined surface 1231 is parallel to the lower inclined surface 1111; the upper connecting portion 131 is abutted against and fixed on the upper inclined surface 1231, and the lower connecting portion 132 is abutted against and fixed on the lower inclined surface 1111.

The upper connecting part 131 and the upper inclined surface 1231 are connected by bolts, and the lower connecting part 132 and the lower inclined surface 1111 are connected by bolts; the upper connecting part 131 is provided with an upper connecting hole 1311, and the lower connecting part 132 is provided with a lower connecting hole 1321; the upper connecting block 123 is provided with an upper connecting screw hole 1232, and the bolt passes through the upper connecting hole 1311 and is inserted into the upper connecting screw hole 1232; the lower connecting block 111 is provided with a lower connecting screw hole 1112, and the bolt passes through the lower connecting hole 1321 and is inserted into the lower connecting screw hole 1112.

There are four spring pieces 13 evenly distributed along the circumferential direction of the sand supply bucket 12 . The four spring pieces 13 can stably support the sand supply bucket 12 to ensure the vibration effect of the sand supply bucket 12 .

The vibrator 15 is provided with an electromagnet 151 and a magnetic block 152. The magnetic block 152 is provided above the electromagnet 151, and there is a gap between the electromagnet 151 and the magnetic block 152. The magnetic block 152 is linked with the sand supply bucket 12, and the electromagnet 151 is fixed on the sand supply seat 11. In this embodiment, the magnetic block 152 is made of magnetic material, but the magnetic block 152 itself is not magnetic, and there is no need to consider the magnetism of the electromagnet 151, which is easy to control.

The vibrator 15 is also provided with a controller, which is used to control the voltage and frequency of the electromagnet 151. By controlling the voltage of the electromagnet 151, the vibration amplitude of the sand supply barrel 12 can be controlled, and the speed at which the quartz sand spirals from bottom to top along the conveying screw 122 can be adjusted, so as to supply the sandblasting machine with sufficient quartz sand with a stable flow rate.

The sand supply mechanism 1 is also provided with a sealed tank 16 and an air pump, an air filling pipe is provided between the sealed tank 16 and the air pump, a sealed chamber 161 is provided in the sealed tank 16, and the air pump is used to pressurize the sealed chamber 161; the sand supply barrel 12 is provided in the sealed chamber 161. In this embodiment, an air filling hole 162 is provided at the bottom end of the sealed tank 16, and the gas of the air pump is sent into the sealed chamber 161 through the air filling hole 162. The air pressure in the sealed chamber 161 is large, and the quartz sand is blown into the sand supply pipe 1 through the sand supply port 121. A pressure relief port 163 is also provided on the sealed tank 16. In normal use, the pressure relief port 163 is closed; before the sealed tank 16 is opened, the pressure is relieved through the pressure relief port 163 to ensure the safety of operation.

As shown in Figure 6, the sand supply mechanism 1 is also provided with a sand storage tank 17, which is arranged above the sand supply barrel 12. A sand supply pipe 171 is provided between the sand storage tank 17 and the sand supply barrel 12, and the lower end of the sand supply pipe 171 extends into the sand supply barrel 12; quartz sand is provided in the sand storage tank 17, and when the quartz sand in the sand supply barrel 12 is reduced, the sand storage tank 17 replenishes the sand supply barrel 12 with quartz sand through the sand supply pipe 171.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims (9)

1. Sand blasting device for polishing burrs is provided with sand feeding mechanism and sand blaster, its characterized in that: the sand supplying mechanism is provided with a sand supplying seat and a sand supplying barrel, the sand supplying barrel is arranged above the sand supplying seat, a plurality of elastic pieces are arranged between the sand supplying seat and the sand supplying barrel and distributed on the lower edge of the sand supplying barrel, and the elastic pieces are obliquely arranged from bottom to top along the circumferential direction of the sand supplying barrel; a sand supply pipeline is arranged between the sand supply barrel and the sand blasting machine, a sand supply port is arranged at the upper end of the sand supply barrel, and the sand supply port is communicated with the sand supply pipeline; the inner side surface of the sand supply barrel is provided with a conveying thread, the conveying thread spirals from bottom to top along the inner side surface of the sand supply barrel, and the sand supply port is arranged at the top end of the conveying thread; the sand supplying mechanism is also provided with a vibrator, and the vibrator is used for driving the sand supplying barrel to vibrate up and down.

2. The blasting apparatus for deburring according to claim 1, wherein: the elastic sheets are identical in shape and are all in a straight plate shape.

3. The blasting apparatus for deburring according to claim 2, wherein: the upper end of the elastic sheet is provided with an upper connecting part, and the lower end of the elastic sheet is provided with a lower connecting part; an upper connecting block is arranged at the lower end of the sand supply barrel, and is provided with an upper inclined plane; the upper end of the sand supply seat is provided with a lower connecting block, the lower connecting block is provided with a lower inclined surface, and the upper inclined surface is parallel to the lower inclined surface; the upper connecting part is abutted against and fixed on the upper inclined surface, and the lower connecting part is abutted against and fixed on the lower inclined surface.

4. A sand blasting apparatus for deburring according to claim 3, wherein: the upper connecting part is connected with the upper inclined surface by a bolt, and the lower connecting part is connected with the lower inclined surface by a bolt; the upper connecting part and the lower connecting part are respectively provided with a connecting hole, the upper connecting block and the lower connecting block are respectively provided with a connecting screw hole, and the bolts penetrate through the connecting holes and then are inserted into the connecting screw holes.

5. The blasting apparatus for deburring according to claim 4, wherein: the shrapnel is provided with 4 and evenly distributed along the circumferential direction of the sand supply barrel.

6. The blasting apparatus for deburring according to any one of claims 1 to 5, wherein: the vibrator is provided with an electromagnet and a magnetic block, the magnetic block is arranged above the electromagnet, and a space is reserved between the electromagnet and the magnetic block; the magnetic block is linked with the sand supply barrel, and the electromagnet is fixedly arranged on the sand supply seat.

7. The blasting apparatus for deburring according to claim 6, wherein: the vibrator is also provided with a controller for controlling the voltage and frequency of the electromagnet.

8. The blasting apparatus for deburring according to any one of claims 1 to 5, wherein: the sand supply mechanism is also provided with a sealing tank and an inflator pump, an inflation pipeline is arranged between the sealing tank and the inflator pump, a sealing cavity is arranged in the sealing tank, and the inflator pump is used for pressurizing the sealing cavity; the sand supply barrel is arranged in the sealing cavity.

9. The blasting apparatus for deburring according to claim 8, wherein: the sand supply mechanism is also provided with a sand storage tank, the sand storage tank is arranged above the sand supply barrel, a sand supply pipe is arranged between the sand storage tank and the sand supply barrel, and the lower end of the sand supply pipe extends into the sand supply barrel; quartz sand is arranged in the sand storage tank.