Structural optimized drum shot blasting machine

Abstract

The present invention discloses a structurally optimized drum shot blasting machine, comprising a shot blasting unit, a cleaning unit, a shot feeding unit and a control unit, wherein the cleaning unit comprises a first separation part for collecting impurities, a second separation part coaxial with the first separation part and arranged flush therein, the second separation part comprises a supporting part in a funnel shape for guiding the projectiles, a conveying part connected to the bottom of the supporting part and used for collecting the projectiles, the top edge of the first separation part is sealedly connected to the top edge of the second separation part through a plate body, the supporting part is provided with a plurality of through holes for passing through and having an aperture smaller than the projectiles, an exhaust fan for forming a downward wind speed is arranged on the inner wall of the first separation part, and a blower for forming an upward wind speed is arranged on the inner wall of the conveying part. The present invention has at least the following advantages: the projectiles and impurities can be separated quickly and effectively, the structure is optimized, and the separation effect is good.

Description

Technical Field

[0001] The invention relates to the technical field of shot blasting machines, and in particular to a structurally optimized drum type shot blasting machine. Background Art

[0002] Castings need to be shot blasted during the processing process, which is not only to remove some attachments on the surface of the castings, such as rust, scale and sticky sand, but also an indispensable preparation process before the quality inspection of the castings. The drum shot blasting machine uses a high-speed rotating impeller to throw the projectiles onto the workpieces that are continuously turned over in the drum, so as to achieve the purpose of cleaning the workpieces. In order to meet the requirements for the treatment of each part of the casting, the position of the shot blasting machine will be arranged according to actual needs. The drum shot blasting machine also needs to separate the projectiles and impurities in an orderly manner to achieve the reuse of the projectiles. At present, a vibrating screen mechanism is usually used to separate impurities from projectiles. This structure causes great damage to the projectiles, and the screen holes of the vibrating screen are easily blocked, affecting the separation effect. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a structurally optimized drum shot blasting machine, which can quickly and effectively separate the projectiles and impurities, has an optimized structure and a good separation effect.

[0004] In order to solve the above technical problems, the present invention provides a structurally optimized drum shot blasting machine, comprising a shot blasting unit, a cleaning unit, a shot feeding unit and a control unit, the inlet end of the cleaning unit is connected to the outlet end of the shot blasting unit, the outlet end of the cleaning unit is connected to the inlet end of the shot feeding unit, the cleaning unit comprises a first separation part which is funnel-shaped and used to collect impurities, a second separation part which is coaxial with the first separation part and is arranged flush therewith, the second separation part comprises a bearing part which is funnel-shaped and used to guide the projectiles, a conveying part which is connected to the bottom of the bearing part and is used to collect the projectiles, the outlet end of the conveying part is connected to the projectile feeding unit, the top edge of the first separation part is sealedly connected to the top edge of the second separation part through a plate body, a plurality of through holes which are used to pass through and have an aperture smaller than the projectiles are opened on the bearing part, an exhaust fan which forms a downward wind speed is arranged on the inner wall of the first separation part, and a blower which forms an upward wind speed is arranged on the inner wall of the conveying part.

[0005] Furthermore, the conveying portion is L-shaped, and a circular arc transition is arranged at a bending position of the L-shaped conveying portion.

[0006] Furthermore, the L-shaped conveying portion includes a vertical portion extending in the longitudinal direction and a horizontal portion extending in the transverse direction, and a conductive electromagnet for adsorbing the projectile is provided on a side wall of the vertical portion.

[0007] Furthermore, a brush extending in the longitudinal direction is also arranged on the side wall of the vertical portion, and the brush is arranged below the electromagnet.

[0008] Furthermore, the shot blasting unit includes a central shot blasting wheel assembly and a side shot blasting wheel assembly, the central shot blasting wheel assembly includes a central motor, a shot blasting cylinder and a central shot blasting wheel, the output shaft of the central motor is connected to the shot blasting cylinder through a connecting reducer, and the output shaft end of the central motor is arranged in the shot blasting cylinder and connected to the central shot blasting wheel through a connecting disc.

[0009] Furthermore, the central shot blasting machine includes a shot dividing wheel, a storage cavity is arranged at the center of the shot dividing wheel, a shot dividing opening is opened on the side wall of the shot dividing wheel, and the outlet end of the shot feeding unit is connected to the shot dividing wheel and adapted to the storage cavity.

[0010] Furthermore, an impeller is provided on the outer ring of the pellet separating wheel, and a plurality of blades are provided on the impeller.

[0011] Furthermore, the connecting reducer includes a first gear fixedly connected to the output shaft of the central motor, and a second gear is arranged at the axial center position of the upper end surface of the shot blasting cylinder. The number of teeth of the second gear is no more than that of the first gear, and the second gear is sleeved on the first gear and adapted to the first gear.

[0012] Furthermore, the pill feeding unit comprises a lifting mechanism and a pill storage chamber on one side of the lifting mechanism, and the lifting mechanism is communicated with the pill storage chamber.

[0013] Furthermore, the control unit is arranged on one side of the shot blasting unit, and includes a control panel and a display panel arranged on the control panel.

[0014] By means of the above technical solution, the present invention has at least the following advantages:

[0015] 1. By providing a first separation part and a blower arranged on the separation part that can form a downward wind speed, impurities are effectively sucked into the first separation part, so that impurities and marbles are effectively separated and the structure is optimized;

[0016] 2. By providing a second separation part and a hair dryer capable of forming an upward wind speed on the conveying part, excess impurities can be effectively blown away from the marbles, and the through holes and the exhaust fan provided on the bearing part can be coordinated to perform better separation work. Since the diameter of the through hole is smaller than the diameter of the marbles, the marbles will not fall into the first separation part, the structure is optimized, and the separation effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 It is a schematic diagram of the cleaning unit structure of the present invention;

[0019] Figure 3 It is a partial structural schematic diagram of the shot blasting unit of the present invention.

[0020] In the above drawings: 1. first separation part; 2. second separation part; 3. exhaust fan; 4. hair dryer; 5. electromagnet; 6. brush; 7. central motor; 8. shot blasting cylinder; 9. central shot blasting machine; 10. connecting reducer; 11. connecting plate; 12. shot dividing wheel; 13. material storage chamber; 14. shot dividing port; 15. impeller; 16. blade; 17. lifting mechanism; 18. shot storage chamber; 19. control panel; 20. display panel; 21. side shot blasting machine assembly; 201. bearing part; 202. conveying part; 203. through hole. DETAILED DESCRIPTION

[0021] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0022] Combination Figures 1 to 3 As shown, the present invention discloses a structurally optimized drum shot blasting machine, comprising a shot blasting unit, a cleaning unit, a shot feeding unit and a control unit. The control unit is arranged on one side of the shot blasting unit, and comprises a control panel 19 and a display panel 20 arranged on the control panel 19. The working parameters of the shot blasting machine of the present invention can be adjusted and set through the control panel 19, and the working status of the shot blasting machine can be directly and effectively displayed and monitored through the display panel 20.

[0023] The inlet end of the cleaning unit is connected to the outlet end of the shot blasting unit, and the outlet end of the cleaning unit is connected to the inlet end of the shot delivery unit. The cleaning unit includes a first separation part 1 in a funnel shape for collecting impurities, and a second separation part 2 coaxial with the first separation part 1 and arranged flush inside it. In the present invention, the top edge of the first separation part 1 is sealed and connected to the top edge of the second separation part 2 through a plate body, which can effectively prevent the marbles from falling into the first separation part 1, and the structure is optimized. An exhaust fan 3 with a downward wind speed is arranged on the inner wall of the first separation part 1. By providing the first separation part 1 and the exhaust fan 3 arranged on the first separation part 1 that can form a downward wind speed, impurities are effectively sucked into the first separation part 1, so that impurities and marbles are effectively separated, and the structure is optimized. The second separation part 2 includes a support part 201 in a funnel shape for guiding the projectiles, a conveying part 202 connected to the bottom of the support part 201 and used to collect the projectiles, and the outlet end of the conveying part 202 is connected to the shot delivery unit. In the present invention, the bearing part 201 is provided with a plurality of through holes 203 for passing through and having an aperture smaller than that of the pellets, and a blower 4 for forming an upward wind speed is provided on the inner wall of the conveying part 202. By providing the second separation part 2 and the blower 4 for forming an upward wind speed on the conveying part 202, the excess impurities are effectively further blown away from the marbles, and the through holes and the exhaust fan 3 provided on the bearing part 201 are coordinated to further suck the impurities into the first separation part 1 for better separation, and since the diameter of the through hole 203 is smaller than that of the marbles, the marbles will not fall into the first separation part 1, the structure is optimized, and the separation effect is good.

[0024] In the present invention, the conveying part 202 is L-shaped, and the arc transition at the bend of the L-shaped conveying part is set. Through the above-mentioned setting method, it is possible to facilitate the transmission of marbles and optimize the structure. The L-shaped conveying part 202 includes a vertical part extending in the longitudinal direction and a horizontal part extending in the transverse direction. The side wall of the vertical part is provided with an electromagnet 5 for adsorbing the projectiles. By providing the electromagnet 5, during the falling process of the marbles, it is used to slow down the falling speed of the marbles and adsorb the marbles. At the same time, the impurities mixed among the marbles can be further separated by the hair dryer 4 to improve the separation effect. A brush 6 extending in the longitudinal direction is also provided on the side wall of the vertical part, and the brush 6 is arranged below the electromagnet 5. Through the provision of the brush 6, impurities adhering to the marbles can be further removed to ensure the cleanliness of the marbles and achieve a good separation effect.

[0025] The shot blasting unit includes a central shot blasting machine assembly and a side shot blasting machine assembly 21. In the present invention, the side shot blasting machine assembly 21 is provided with two groups. The central shot blasting machine assembly includes a central motor 7, a shot blasting drum 8 and a central shot blasting machine 9. The output shaft of the central motor 7 is connected to the shot blasting drum 8 through a connecting reducer 10. The end of the output shaft of the central motor 7 is arranged in the shot blasting drum 8 and connected to the central shot blasting machine 9 through a connecting plate 11. The central shot blasting machine 9 includes a shot dividing wheel 12. A material storage cavity 13 is arranged at the center of the shot dividing wheel 12. A shot dividing port 14 is opened on the side wall of the shot dividing wheel 12. The outlet end of the shot feeding unit is connected to the shot dividing wheel 12 and adapted to the material storage cavity 13.

[0026] In the present invention, the shot blasting cylinder 8 is arranged on the frame, and the inner wall of the shot blasting cylinder 8 is a spherical structure. Through the above arrangement, on the one hand, the disadvantages of the dead angle of the shot blasting treatment of the casting can be reduced, and on the other hand, it is beneficial to the treatment of impurities during the processing. In the present invention, an impeller 15 is arranged on the outer ring of the shot dividing wheel 12, and a plurality of blades 16 are arranged on the impeller 15. The connecting cylinder reducer 10 includes a first gear fixedly connected to the output shaft of the central motor 7, and a second gear is arranged at the axial position of the upper end face of the shot blasting cylinder 8. The number of teeth of the second gear is not more than that of the first gear. The second gear is sleeved on the first gear and adapted to the first gear. The shot feeding unit includes a lifting mechanism 17 and a shot storage chamber 18 located on one side of the lifting mechanism 17, and the lifting mechanism 17 is connected to the shot storage chamber 18.

[0027] The above-described embodiments are only preferred embodiments for fully illustrating the present invention, and the protection scope of the present invention is not limited thereto. Equivalent substitutions or changes made by those skilled in the art based on the present invention are within the protection scope of the present invention. The protection scope of the present invention shall be subject to the claims.

Claims

1. A structurally optimized drum shot blasting machine, characterized in that: It comprises a shot blasting unit, a cleaning unit, a shot feeding unit and a control unit, wherein the inlet end of the cleaning unit is connected to the outlet end of the shot blasting unit, and the outlet end of the cleaning unit is connected to the inlet end of the shot feeding unit, the cleaning unit comprises a first separation part which is funnel-shaped and used to collect impurities, a second separation part which is coaxial with the first separation part and is arranged flush therein, the second separation part comprises a bearing part which is funnel-shaped and used to guide the projectiles, a conveying part which is connected to the bottom of the bearing part and is used to collect the projectiles, the outlet end of the conveying part is connected to the shot feeding unit, the top edge of the first separation part is sealedly connected to the top edge of the second separation part through a plate body, a plurality of through holes which are used to pass impurities and have a smaller aperture than the projectiles are opened on the bearing part, an exhaust fan which forms a downward wind speed is arranged on the inner wall of the first separation part, and a blower which forms an upward wind speed is arranged on the inner wall of the conveying part; The conveying part is L-shaped, and a circular arc transition is arranged at the bending part of the L-shaped conveying part; The L-shaped conveying portion includes a vertical portion extending in the longitudinal direction and a horizontal portion extending in the transverse direction, and a through electromagnet for adsorbing the projectile is provided on the side wall of the vertical portion; A brush extending in the longitudinal direction is also arranged on the side wall of the vertical portion, and the brush is arranged below the electromagnet; The shot blasting unit includes a central shot blasting wheel assembly and a side shot blasting wheel assembly. The central shot blasting wheel assembly includes a central motor, a shot blasting drum and a central shot blasting wheel. The output shaft of the central motor is connected to the shot blasting drum through a connecting reducer. The output shaft end of the central motor is arranged in the shot blasting drum and is connected to the central shot blasting wheel through a connecting disk.

2. The structurally optimized drum shot blasting machine according to claim 1, characterized in that: The central shot blasting machine comprises a shot dividing wheel, a material storage cavity is arranged at the center of the shot dividing wheel, a shot dividing opening is opened on the side wall of the shot dividing wheel, and the outlet end of the shot feeding unit is connected with the shot dividing wheel and adapted to the material storage cavity.

3. The structurally optimized drum shot blasting machine according to claim 2, characterized in that: An impeller is arranged on the outer ring of the pellet separating wheel, and a plurality of blades are arranged on the impeller.

4. The structurally optimized drum shot blasting machine according to claim 1, characterized in that: The connecting reducer includes a first gear fixedly connected to the output shaft of the central motor, and a second gear is arranged at the axial center position of the upper end surface of the shot blasting cylinder. The number of teeth of the second gear is no more than that of the first gear, and the second gear is sleeved on the first gear and adapted to the first gear.

5. The structurally optimized drum shot blasting machine according to claim 1, characterized in that: The pill feeding unit comprises a lifting mechanism and a pill storage chamber on one side of the lifting mechanism, and the lifting mechanism is communicated with the pill storage chamber.

6. The structurally optimized drum shot blasting machine according to claim 1, characterized in that: The control unit is arranged at one side of the shot blasting unit, and comprises a control panel and a display panel arranged on the control panel.

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