Shot blasting machine

Abstract

The utility model relates to a shot blasting machine in the technical field of mechanical equipment, which comprises a crawler-type shot blasting machine, the crawler-type shot blasting machine comprises a machine body and a crawler belt, through holes are distributed on the crawler belt, the bottom of the machine body is connected with a material collecting box, the top of the machine body is provided with a dust remover, and a feeding pipe of the dust remover is communicated with the material collecting box through a material guiding pipe. An inclined filter screen is further arranged in the dust remover, a discharging opening is formed in the position, corresponding to the lowest position of the filter screen, of the side wall of the dust remover, the discharging opening is communicated with a sand box, and the sand box is communicated with the sand inlet of the machine body through a discharging pipe. The shot blasting sand can be recycled, so that the cost is reduced; powder generated in the polishing process can be discharged out of the machine body in time, the polishing effect and the polishing efficiency are improved, the powder is collected in a centralized mode, and environmental pollution is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical equipment, and specifically relates to a shot blasting machine. Background Art

[0002] In the production process of small metal parts, polishing treatment is required. The generally used mechanical equipment is a shot blasting machine. The shot used in the shot blasting machine is shot sand. When polishing, the small parts are placed on the track of the shot blasting machine. The track drives the small parts to move and transport the small parts to the highest point of the track and then throw them down. The small parts and the shot sand are constantly rubbed to complete the polishing operation. In the prior art, the powder debris generated during the polishing process is always in the shot blasting machine with the shot sand and small parts, which not only affects the polishing effect, but also is inconvenient to clean, which is not conducive to continuous and efficient production. Therefore, a shot blasting machine is needed to solve the above technical problems. Utility Model Content

[0003] In response to the above-mentioned defects in the prior art, the utility model provides a shot blasting machine, including a crawler-type shot blasting machine, the crawler-type shot blasting machine including a machine body and a crawler arranged in the machine body, a sand inlet is provided on the top of the machine body; the crawler is covered with through holes, the bottom of the machine body is connected with a collection box, a dust collector is provided on the top of the machine body, a material lifting assembly is provided between the inlet of the dust collector and the outlet of the collection box, an exhaust port is provided on the top of the dust collector, a discharge port is provided at the bottom of the dust collector, an inclined filter screen is also provided in the dust collector, a discharge port is provided on the side wall of the dust collector corresponding to the lowest point of the filter screen, the discharge port is connected with a sand box, a discharge pipe is provided at the bottom of the sand box, and the discharge pipe is connected with the sand inlet. The shot blasting machine uses shot blasting sand to polish small parts placed on the track. During the polishing process, shot blasting sand continuously enters the machine body from the sand inlet and contacts the small parts. At the same time, the shot blasting sand falling on the track and the powder and debris generated during polishing enter the collecting box from the through holes on the track, and then enter the dust collector for dust removal under the action of the material lifting component. The powder and debris pass through the filter of the dust collector and are discharged through the discharge port. The shot blasting sand remains on the filter and enters the sand box through the discharge port, and then enters the machine body through the discharge pipe and is ejected to polish the small parts. In this cycle, the powder generated during the polishing process can be discharged from the machine body in time without affecting the polishing effect and polishing efficiency. At the same time, the shot blasting sand can be recycled, which reduces costs, and the powder is collected in a centralized manner without polluting the environment.

[0004] Preferably, the material lifting component is a material elevator, for example, a bucket elevator or a high-angle belt elevator.

[0005] Preferably, the material lifting assembly includes a material guide pipe, the lower end of the material guide pipe is connected to the outlet of the material collection box, the upper end of the material guide pipe is connected to the inlet of the dust collector, and the material guide pipe is connected to a fan.

[0006] Preferably, a sand distribution tube is fixed at the sand inlet, and the sand distribution tube is a trapezoid that is narrow at the top and wide at the bottom. The bottom of the sand distribution tube is open and a feed port is provided at the top. The lower end of the sand distribution tube extends into the machine body and is located above the crawler. The feed port of the sand distribution tube extends out of the machine body and is connected to the discharge pipe. A rotating shaft is provided in the sand distribution tube. Both ends of the rotating shaft are rotatably connected to the two side walls of the sand distribution tube through bearings. One end of the rotating shaft extends out of the sand distribution tube and is connected to a stepper motor. The stepper motor is fixed to the top of the machine body. A plurality of blades are evenly fixed on the rotating shaft, and the plurality of blades are radially distributed on the rotating shaft. The arrangement here can drive the rotating shaft to rotate through a stepper motor, and the shot blasting sand entering the sand distribution tube is driven into the machine body under the action of the blades to polish the small parts on the crawler. The arrangement here ensures the strength of the shot blasting sand entering the machine body and further improves the polishing effect.

[0007] Preferably, the discharge pipe is connected to a horizontal transition pipe, a feeding screw is arranged in the transition pipe, one end of the feeding screw passes through the transition pipe and is connected to a rotating motor, and the discharge end of the transition pipe is connected to the feed port of the sand distribution pipe through a vertical pipe. The dust-removed shot blasting sand can be concentratedly and evenly fed into the sand distribution pipe, and then enters the shot blasting machine again to polish the small parts in the shot blasting machine.

[0008] Preferably, the crawler is evenly distributed with ridges. The arrangement of the ridges can move small pieces placed on the crawler to a high place along with the crawler and throw them down from the high place, thereby improving the polishing effect and efficiency.

[0009] The utility model also includes other components that enable a shot blasting machine to be used normally, such as a fan control component, a stepper motor control component, a crawler drive control component, a dust collector control component, a rotary motor control component, etc., which are commonly used equipment in the field and are conventional technical means in the field. In addition, the devices or components not limited in the utility model, such as dust collectors, crawler belts, fans, feed screws, shot blasting sand, etc., all adopt conventional technical means and conventional equipment in the field.

[0010] Working principle: During the polishing process, shot blasting sand continuously enters the machine body from the sand inlet and contacts with small parts. At the same time, the shot blasting sand falling on the track and the powder generated during polishing enter the collecting box from the through holes on the track, and then is driven by the fan through the guide pipe into the dust collector for dust removal. The powder passes through the filter of the dust collector and is discharged through the discharge port. The shot blasting sand remains on the filter and enters the sand box through the discharge port, and then enters the machine body through the discharge pipe and is sprayed out to polish the small parts. In this way, the powder generated during the polishing process can be discharged from the machine body in time without affecting the polishing effect and efficiency. At the same time, the shot blasting sand can be recycled, which reduces the cost, and the powder is collected in a centralized manner without polluting the environment.

[0011] The utility model has the following beneficial effects: the shot blasting sand can be recycled, thus reducing the cost; the powder generated during the polishing process can be discharged out of the machine body in time, thus improving the polishing effect and polishing efficiency; the powder is collected in a centralized manner, thus reducing the pollution to the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0013] Figure 1 This is a structural schematic diagram of a shot blasting machine in Example 1 of the utility model;

[0014] Figure 2 This is a structural schematic diagram of a shot blasting machine in Embodiment 2 of the present utility model;

[0015] Figure 3 It is a schematic diagram of the structure of the crawler in the machine body of the utility model;

[0016] Figure 4 It is an enlarged view of the discharge port of the utility model;

[0017] Figure 5 It is a structural diagram of the sand distribution tube of the utility model.

[0018] In the figure: 1. Machine body; 2. Collecting box; 3. Sand distribution pipe; 4. Stepping motor; 5. Vertical pipe; 6. Transition pipe; 7. Discharge port; 8. Rotating motor; 9. Dust collector; 10. Exhaust port; 11. Discharge pipe; 12. Crawler; 13. Through hole; 14. Raised ridge; 15. Blade; 16. Rotating shaft; 17. Fan; 18. Sand box; 19. Filter; 20. Discharge port, 21. Material elevator; 22. Material guide pipe. DETAILED DESCRIPTION

[0019] The present invention is described in detail below in conjunction with the drawings and specific embodiments in the embodiments of the present invention. The description here is only used to explain the present invention, but not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work, any modifications, equivalent replacements, improvements, etc., should be included in the protection scope of the present invention.

[0020] Example 1

[0021] like Figure 1 , 3As shown in Figures 4 and 5, the utility model provides a shot blasting machine, including a crawler shot blasting machine, the crawler shot blasting machine includes a machine body 1 and a crawler 12 arranged in the machine body 1, a sand inlet is provided on the top of the machine body 1; the crawler 12 is covered with through holes 13, the bottom of the machine body 1 is connected with a collecting box 2, a dust collector 9 is provided on the top of the machine body 1, a material lifting assembly is provided between the inlet of the dust collector 9 and the outlet of the collecting box 2, an exhaust port 10 is provided on the top of the dust collector 9, a discharge port 7 is provided at the bottom of the dust collector 9, an inclined filter screen 19 is also provided in the dust collector 9, a discharge port 20 is provided on the side wall of the dust collector 9 corresponding to the lowest point of the filter screen 19, the discharge port 20 is connected with a sand box 18, the sand box is fixed on the machine body, a discharge pipe 11 is provided at the bottom of the sand box 18, and the discharge pipe 11 is connected with the sand inlet. The shot blasting machine uses shot blasting sand to polish small parts placed on the crawler 12. During the polishing process, the shot blasting sand continuously enters the machine body 1 from the sand inlet and contacts the small parts. At the same time, the shot blasting sand falling on the crawler 12 and the powder and debris generated during polishing enter the collecting box 2 from the through hole 13 on the crawler 12, and then enters the dust collector 9 for dust removal under the action of the material lifting component. The powder and debris pass through the filter screen 19 of the dust collector 9 and are discharged through the discharge port 7. The shot blasting sand remains on the filter screen 19 and enters the sand box 18 through the discharge port 20, and then enters the machine body 1 through the discharge pipe 11 and is ejected to polish the small parts. In this cycle, the powder generated during the polishing process can be discharged from the machine body 1 in time, without affecting the polishing effect and polishing efficiency. At the same time, the shot blasting sand can be recycled, which reduces the cost, and the powder is collected in a centralized manner without polluting the environment.

[0022] The material lifting component is a material elevator 21, for example, a bucket elevator or a high-angle belt elevator.

[0023] A sand distribution pipe 3 is fixed at the sand inlet, and the sand distribution pipe 3 is a trapezoid that is narrow at the top and wide at the bottom. The bottom of the sand distribution pipe 3 is open and a feed port is provided at the top. The lower end of the sand distribution pipe 3 extends into the machine body 1 and is located above the crawler 12. The feed port of the sand distribution pipe 3 extends out of the machine body 1 and is connected to the discharge pipe 11. A rotating shaft 16 is provided in the sand distribution pipe 3. Both ends of the rotating shaft 16 are rotatably connected to the two side walls of the sand distribution pipe 3 through bearings. One end of the rotating shaft 16 extends out of the sand distribution pipe 3 and is connected to a stepper motor 4. The stepper motor 4 is fixed on the top of the machine body 1. A plurality of blades 15 are evenly fixed on the rotating shaft 16, and the plurality of blades 15 are radially distributed on the rotating shaft 16. The arrangement here can drive the rotating shaft 16 to rotate through the stepper motor 4, and under the action of the blades 15, the shot blasting sand entering the sand distribution tube 3 is driven into the machine body 1 to polish the small parts on the crawler 12. The arrangement here ensures the strength of the shot blasting sand entering the machine body 1, further improving the polishing effect.

[0024] The discharge pipe 11 is connected to a horizontal transition pipe 6, in which a feeding screw is arranged, one end of which passes through the transition pipe 6 and is connected to a rotating motor 8, and the discharge end of the transition pipe 6 is connected to the feed port of the sand distribution pipe 3 through the vertical pipe 5. The dust-removed shot blasting sand can be concentratedly and evenly fed into the sand distribution pipe 3, and then enter the shot blasting machine again to polish the small parts in the shot blasting machine.

[0025] The crawler 12 is evenly distributed with ridges 14. The arrangement of the ridges 14 can move small pieces placed on the crawler 12 to a high place along with the crawler 12 and throw them down from the high place, thereby improving the polishing effect and efficiency.

[0026] During the polishing process, shot blasting sand continuously enters the machine body 1 from the sand inlet and contacts the small parts. At the same time, the shot blasting sand falling on the crawler 12 and the powder generated during polishing enter the collecting box 2 from the through hole 13 on the crawler 12, and then is lifted by the material elevator to the dust collector 9 for dust removal. The powder and debris pass through the filter screen 19 of the dust collector 9 and are discharged through the discharge port 7. The shot blasting sand remains on the filter screen 19 and enters the sand box 18 through the discharge port 20, and then enters the machine body 1 through the discharge pipe 11 and is ejected to polish the small parts. In this cycle, the powder generated during the polishing process can be discharged from the machine body 1 in time, without affecting the polishing effect and polishing efficiency. At the same time, the shot blasting sand can be recycled, which reduces the cost, and the powder is collected in a centralized manner without polluting the environment.

[0027] Example 2

[0028] like Figure 2-5As shown, the utility model provides a shot blasting machine, including a crawler shot blasting machine, the crawler shot blasting machine includes a machine body 1 and a crawler 12 arranged in the machine body 1, a sand inlet is provided on the top of the machine body 1; the crawler 12 is covered with through holes 13, the bottom of the machine body 1 is connected with a collecting box 2, a dust collector 9 is provided on the top of the machine body 1, a material lifting assembly is provided between the inlet of the dust collector 9 and the outlet of the collecting box 2, an exhaust port 10 is provided on the top of the dust collector 9, a discharge port 7 is provided at the bottom of the dust collector 9, an inclined filter screen 19 is also provided in the dust collector 9, a discharge port 20 is provided on the side wall of the dust collector 9 corresponding to the lowest point of the filter screen 19, and the discharge port 20 is connected with a sand box 18, the sand box is fixed on the machine body, and a discharge pipe 11 is provided at the bottom of the sand box 18, and the discharge pipe 11 is connected with the sand inlet. The shot blasting machine uses shot blasting sand to polish small parts placed on the crawler 12. During the polishing process, the shot blasting sand continuously enters the machine body 1 from the sand inlet and contacts the small parts. At the same time, the shot blasting sand falling on the crawler 12 and the powder and debris generated during polishing enter the collecting box 2 from the through hole 13 on the crawler 12, and then enters the dust collector 9 for dust removal under the action of the material lifting component. The powder and debris pass through the filter screen 19 of the dust collector 9 and are discharged through the discharge port 7. The shot blasting sand remains on the filter screen 19 and enters the sand box 18 through the discharge port 20, and then enters the machine body 1 through the discharge pipe 11 and is ejected to polish the small parts. In this cycle, the powder generated during the polishing process can be discharged from the machine body 1 in time, without affecting the polishing effect and polishing efficiency. At the same time, the shot blasting sand can be recycled, which reduces the cost, and the powder is collected in a centralized manner without polluting the environment.

[0029] The material lifting assembly includes a material guide pipe 22 , the lower end of which is connected to the outlet of the material collecting box 2 , the upper end of which is connected to the inlet of the dust collector 9 , and the fan 17 is connected to the material guide pipe 22 .

[0030] A sand distribution pipe 3 is fixed at the sand inlet, and the sand distribution pipe 3 is a trapezoid that is narrow at the top and wide at the bottom. The bottom of the sand distribution pipe 3 is open and a feed port is provided at the top. The lower end of the sand distribution pipe 3 extends into the machine body 1 and is located above the crawler 12. The feed port of the sand distribution pipe 3 extends out of the machine body 1 and is connected to the discharge pipe 11. A rotating shaft 16 is provided in the sand distribution pipe 3. Both ends of the rotating shaft 16 are rotatably connected to the two side walls of the sand distribution pipe 3 through bearings. One end of the rotating shaft 16 extends out of the sand distribution pipe 3 and is connected to a stepper motor 4. The stepper motor 4 is fixed on the top of the machine body 1. A plurality of blades 15 are evenly fixed on the rotating shaft 16, and the plurality of blades 15 are radially distributed on the rotating shaft 16. The arrangement here can drive the rotating shaft 16 to rotate through the stepper motor 4, and under the action of the blades 15, the shot blasting sand entering the sand distribution tube 3 is driven into the machine body 1 to polish the small parts on the crawler 12. The arrangement here ensures the strength of the shot blasting sand entering the machine body 1, further improving the polishing effect.

[0031] The discharge pipe 11 is connected to a horizontal transition pipe 6, in which a feeding screw is arranged, one end of which passes through the transition pipe 6 and is connected to a rotating motor 8, and the discharge end of the transition pipe 6 is connected to the feed port of the sand distribution pipe 3 through the vertical pipe 5. The dust-removed shot blasting sand can be concentratedly and evenly fed into the sand distribution pipe 3, and then enter the shot blasting machine again to polish the small parts in the shot blasting machine.

[0032] The crawler 12 is evenly distributed with ridges 14. The arrangement of the ridges 14 can move small pieces placed on the crawler 12 to a high place along with the crawler 12 and throw them down from the high place, thereby improving the polishing effect and efficiency.

[0033] During the polishing process, shot blasting sand continuously enters the machine body 1 from the sand inlet and contacts the small parts. At the same time, the shot blasting sand falling on the crawler 12 and the powder generated during polishing enter the collecting box 2 from the through hole 13 on the crawler 12, and then enters the dust collector 9 through the guide pipe 22 by the fan 17 for dust removal. The powder passes through the filter screen 19 of the dust collector 9 and is discharged through the discharge port 7. The shot blasting sand remains on the filter screen 19 and enters the sand box 18 through the discharge port 20, and then enters the machine body 1 through the discharge pipe 11 and is sprayed out to polish the small parts. In this cycle, the powder generated during the polishing process can be discharged from the machine body 1 in time, without affecting the polishing effect and polishing efficiency. At the same time, the shot blasting sand can be recycled, which reduces the cost, and the powder is collected in a centralized manner without polluting the environment.

[0034] The embodiments of the present invention have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A shot blasting machine, including a crawler-type shot blasting machine, wherein the crawler-type shot blasting machine comprises a machine body and a crawler arranged in the machine body, and a sand inlet is arranged on the top of the machine body; characterized in that: The crawler is covered with through holes, the bottom of the machine body is connected to a collection box, the top of the machine body is provided with a dust collector, a material lifting assembly is provided between the inlet of the dust collector and the outlet of the collection box, the top of the dust collector is provided with an exhaust port, the bottom of the dust collector is provided with a discharge port, an inclined filter is also provided in the dust collector, a discharge port is provided on the side wall of the dust collector corresponding to the lowest point of the filter, the discharge port is connected to a sand box, a discharge pipe is provided at the bottom of the sand box, and the discharge pipe is connected to the sand inlet.

2. A shot blasting machine according to claim 1, characterized in that: The material lifting component is a material elevator.

3. A shot blasting machine according to claim 1, characterized in that: The material lifting assembly comprises a material guide pipe, the lower end of the material guide pipe is connected to the outlet of the material collecting box, the upper end of the material guide pipe is connected to the inlet of the dust collector, and the material guide pipe is connected to a fan.

4. A shot blasting machine according to claim 1, characterized in that: A sand distribution pipe is fixed at the sand inlet, and the sand distribution pipe is a trapezoid that is narrow at the top and wide at the bottom. The bottom of the sand distribution pipe is open and a feeding port is provided at the top. The lower end of the sand distribution pipe extends into the machine body and is located above the crawler track. The feeding port of the sand distribution pipe extends out of the machine body and is connected to a discharge pipe. A rotating shaft is provided in the sand distribution pipe, and both ends of the rotating shaft are rotatably connected to the two side walls of the sand distribution pipe through bearings. One end of the rotating shaft extends out of the sand distribution pipe and is connected to a stepper motor, which is fixed on the top of the machine body. A plurality of blades are evenly fixed on the rotating shaft, and the plurality of blades are radially distributed on the rotating shaft.

5. A shot blasting machine according to claim 4, characterized in that: The discharge pipe is connected to a horizontal transition pipe, a feeding screw is arranged in the transition pipe, one end of the feeding screw passes through the transition pipe and is connected to a rotating motor, and the discharge end of the transition pipe is connected to the feed port of the sand distribution pipe through a vertical pipe.

6. A shot blasting machine according to claim 1, characterized in that: The crawler is evenly distributed with ridges.

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