Drilling machine

Abstract

The utility model relates to the technical field of machining, and discloses a drilling machine. Comprising a machining base, a mounting frame mounted on the machining base, a drilling assembly mounted on the mounting frame, a machining table mounted on the machining base and located below the drilling assembly, a protective cover located on the outer side of the machining table and mounted on the machining base, and a fixing piece mounted on the machining table. A cooling assembly used for cooling the drilling assembly is arranged on the protective cover, a pushing assembly is arranged on the cooling assembly, and a backflow groove is formed in the machining table. The drilling machine has the advantages that the cooling assembly cools high temperature generated in the drilling process, overheating is avoided, abrasion is reduced, the pushing assembly pushes the cooling assembly to swing, the cooling range is enlarged, the cooling effect is better, and the service life of the drilling machine is prolonged. And after cooling, the sprayed cooling liquid flows back to the cooling assembly through the backflow groove and the backflow hole to be reused, and resources are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a drilling machine. Background Art

[0002] A drilling machine is a machine tool used for drilling processing. It is usually used to perform precise hole processing on workpieces. The drilling machine achieves drilling processing by rotating the drill bit and pressing it down to the surface of the workpiece. The drilling machine usually has automatic feeding and automatic return functions, which can achieve efficient production. Drilling machines are usually used to process metals, plastics and other materials, and are widely used in manufacturing and mechanical processing fields.

[0003] When a drilling machine is drilling, the drill bit rotates at high speed and contacts the workpiece, causing the surface temperature of the drill bit and the workpiece to rise. Existing drilling machines are inconvenient to cool, and the workpiece and the drill bit are prone to overheating, resulting in increased wear of the drill bit and the workpiece. Therefore, we propose a drilling machine. Utility Model Content

[0004] The utility model aims to provide a drilling machine which has the effect of convenient cooling.

[0005] The above technical purpose of the utility model is achieved through the following technical solutions: a drilling machine, including a processing base, a mounting frame installed on the processing base, a drilling assembly installed on the mounting frame, a processing table installed on the processing base and located below the drilling assembly, a protective cover located outside the processing table and installed on the processing base, and a fixing part installed on the processing table, the protective cover is provided with a cooling assembly for cooling the drilling assembly, the cooling assembly is provided with a pushing assembly, the processing table is provided with a reflux groove, and the processing base is provided with a reflux hole.

[0006] By adopting the above technical solution, the workpiece to be processed is fixed on the processing table by means of fixing parts, the drilling component works to drill the workpiece, and the cooling component cools the high temperature generated during the drilling process to avoid overheating and reduce wear. The pushing component pushes the cooling component to swing to expand the cooling range and achieve better cooling effect. The coolant sprayed out after cooling flows back to the cooling component through the reflux groove and the reflux hole to be reused.

[0007] The utility model is further configured as follows: the drilling assembly includes a cylinder mounted on the mounting frame, a mounting cross plate connected to the output end of the cylinder, a motor mounted on the mounting cross plate, and a drill bit connected to the output shaft of the motor and extending to the bottom of the mounting cross plate.

[0008] By adopting the above technical solution, the workpiece to be processed is placed on the processing table and fixed by a fixing piece. The cylinder pushes the mounting cross plate downward so that the drill bit contacts the surface of the workpiece. Then, the motor is started to drive the drill bit to rotate and drill the workpiece.

[0009] The utility model is further configured as follows: the fixing member comprises a fixing side plate mounted on the processing table, a bolt passing through the fixing side plate, an arc-shaped plate connected to the bolt, and a nut threadedly connected to the outside of the bolt.

[0010] By adopting the above technical solution, the workpiece to be processed is placed on the processing table, the bolts are rotated to make the arc plates approach each other, the workpiece is clamped, and then the nut is used to fix it.

[0011] The utility model is further configured as follows: the cooling assembly comprises a U-shaped frame mounted on the protective cover, and a cooling nozzle movably mounted on the U-shaped frame.

[0012] The utility model is further configured as follows: the cooling assembly also includes a water tank installed on the processing base, a filter installed on the water tank, a water pump installed in the water tank, a water pipe connected to the water pump, and a hose connecting the water pipe and the cooling nozzle.

[0013] By adopting the above technical solution, the water tank is filled with coolant, and the water pump sprays the coolant through the water pipe and the hose through the cooling nozzle to cool the drill bit and the workpiece.

[0014] The utility model is further configured as follows: the pushing assembly includes a second motor installed on the U-shaped frame, an eccentric wheel connected to the output shaft of the second motor, and a pushing connecting rod hinged to the eccentric wheel, and the other end of the pushing connecting rod is hinged to the cooling nozzle.

[0015] By adopting the above technical solution, the second motor is started to drive the eccentric wheel to rotate, and the eccentric wheel uses the push connecting rod to drive the cooling nozzle to swing up and down in the U-shaped frame, thereby increasing the cooling range of the cooling nozzle and facilitating the cooling of workpieces at different heights.

[0016] The utility model is further configured as follows: the inner bottom wall of the reflow groove is an inclined surface.

[0017] By adopting the above technical solution, the height of the bottom wall of the reflux groove decreases from the center to the outside. The coolant remaining on the surface of the processing table after cooling flows back to the inside of the water tank along the reflux groove and the reflux hole, is filtered through the filter net and reused, which is beneficial to saving resources.

[0018] The beneficial effects of the utility model are: the cooling component cools the high temperature generated during the drilling process, avoids overheating, reduces wear, and the pushing component pushes the cooling component to swing to expand the cooling range, thereby achieving better cooling effect. The coolant sprayed out after cooling flows back to the cooling component through the reflux groove and the reflux hole to be reused, thereby saving resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is a top view of the connection structure between the processing base and the protective cover of the utility model;

[0022] Figure 3 It is a schematic diagram of the structure of the propulsion component of the utility model.

[0023] In the figure, 1. processing base; 2. mounting frame; 3. cylinder; 4. mounting cross plate; 5. motor one; 6. drill bit; 7. processing table; 8. protective cover; 9. fixed side plate; 10. arc plate; 11. bolt; 12. nut; 13. U-shaped frame; 14. cooling nozzle; 15. water tank; 16. filter; 17. water pump; 18. water pipe; 19. hose; 20. reflux groove; 21. reflux hole; 22. motor two; 23. eccentric wheel; 24. push connecting rod. DETAILED DESCRIPTION

[0024] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-3The utility model provides a drilling machine, comprising a processing base 1, a mounting frame 2 mounted on the processing base 1, a drilling assembly mounted on the mounting frame 2, a processing table 7 mounted on the processing base 1 and located below the drilling assembly, a protective cover 8 located outside the processing table 7 and mounted on the processing base 1, and a fixing part mounted on the processing table 7, the protective cover 8 is provided with a cooling assembly for cooling the drilling assembly, the cooling assembly is provided with a pushing assembly, the processing table 7 is provided with a reflux groove 20, and the processing base 1 is provided with a reflux hole 21.

[0026] The workpiece to be processed is fixed on the processing table 7 by means of fixing parts, the drilling component works to drill the workpiece, the cooling component cools the high temperature generated during the drilling process to avoid overheating and reduce wear, the pushing component pushes the cooling component to swing to expand the cooling range, and the cooling effect is better. The coolant sprayed out after cooling flows back to the cooling component through the reflux groove 20 and the reflux hole 21 to be reused.

[0027] The drilling assembly includes a cylinder 3 mounted on the mounting frame 2, a mounting cross plate 4 connected to the output end of the cylinder 3, a motor 5 mounted on the mounting cross plate 4, and a drill bit 6 connected to the output shaft of the motor 5 and extending to the bottom of the mounting cross plate 4.

[0028] The working principle of the drilling assembly is as follows: the workpiece to be processed is placed on the processing table 7 and fixed with a fixing part, the cylinder 3 pushes the mounting cross plate 4 downward to make the drill bit 6 contact with the surface of the workpiece, and then the motor 5 is started to drive the drill bit 6 to rotate to drill the workpiece.

[0029] The fixing parts include a fixing side plate 9 installed on the processing table 7, a bolt 11 passing through the fixing side plate 9, an arc plate 10 connected to the bolt 11, and a nut 12 threadedly connected to the outside of the bolt 11. The workpiece to be processed is placed on the processing table 7, the bolt 11 is turned to make the arc plates 10 approach each other to clamp the workpiece, and then the nut 12 is used to fix it.

[0030] The cooling assembly includes a U-shaped frame 13 installed on the protective cover 8, a cooling nozzle 14 movably installed on the U-shaped frame 13, and the cooling assembly also includes a water tank 15 installed on the processing base 1, a filter 16 installed on the water tank 15, a water pump 17 installed in the water tank 15, a water pipe 18 connected to the water pump 17, and a hose 19 connecting the water pipe 18 and the cooling nozzle 14. The water tank 15 is filled with coolant, and the water pump 17 sprays the coolant through the water pipe 18 and the hose 19 through the cooling nozzle 14 to cool the drill bit 6 and the workpiece.

[0031] The pushing assembly includes a motor 22 installed on the U-shaped frame 13, an eccentric wheel 23 connected to the output shaft of the motor 22, and a pushing connecting rod 24 hinged to the eccentric wheel 23. The other end of the pushing connecting rod 24 is hinged to the cooling nozzle 14. The motor 22 is started to drive the eccentric wheel 23 to rotate. The eccentric wheel 23 drives the cooling nozzle 14 to swing up and down in the U-shaped frame 13 by using the pushing connecting rod 24, thereby increasing the cooling range of the cooling nozzle 14 and facilitating the cooling of workpieces at different heights.

[0032] The inner bottom wall of the reflux groove 20 is an inclined surface, and the height of the inner bottom wall of the reflux groove 20 decreases from the center to the outside. The coolant remaining on the surface of the processing table 7 after cooling flows back to the inside of the water tank 15 along the reflux groove 20 and the reflux hole 21, and is filtered by the filter 16 and reused, which is beneficial to saving resources.

Claims

1. A drilling machine, comprising a processing base (1), a mounting frame (2) mounted on the processing base (1), a drilling assembly mounted on the mounting frame (2), a processing table (7) mounted on the processing base (1) and located below the drilling assembly, a protective cover (8) located outside the processing table (7) and mounted on the processing base (1), and a fixing member mounted on the processing table (7), characterized in that: The protective cover (8) is provided with a cooling component for cooling the drilling component, and the cooling component is provided with a pushing component. The processing table (7) is provided with a reflux groove (20), and the processing base (1) is provided with a reflux hole (21).

2. A drilling machine according to claim 1, characterized in that: The drilling assembly comprises a cylinder (3) mounted on the mounting frame (2), a mounting cross plate (4) connected to the output end of the cylinder (3), a motor (5) mounted on the mounting cross plate (4), and a drill bit (6) connected to the output shaft of the motor (5) and extending to the bottom of the mounting cross plate (4).

3. A drilling machine according to claim 2, characterized in that: The fixing member comprises a fixing side plate (9) mounted on the processing table (7), a bolt (11) passing through the fixing side plate (9), an arc-shaped plate (10) connected to the bolt (11), and a nut (12) threadedly connected to the outside of the bolt (11).

4. A drilling machine according to claim 3, characterized in that: The cooling assembly comprises a U-shaped frame (13) mounted on the protective cover (8) and a cooling nozzle (14) movably mounted on the U-shaped frame (13).

5. A drilling machine according to claim 4, characterized in that: The cooling assembly also includes a water tank (15) mounted on the processing base (1), a filter (16) mounted on the water tank (15), a water pump (17) mounted in the water tank (15), a water pipe (18) connected to the water pump (17), and a hose (19) connecting the water pipe (18) and the cooling nozzle (14).

6. A drilling machine according to claim 5, characterized in that: The pushing assembly comprises a second motor (22) mounted on the U-shaped frame (13), an eccentric wheel (23) connected to the output shaft of the second motor (22), and a pushing connecting rod (24) hinged to the eccentric wheel (23), wherein the other end of the pushing connecting rod (24) is hinged to the cooling nozzle (14).

7. A drilling machine according to claim 6, characterized in that: The inner bottom wall of the reflow groove (20) is an inclined surface.

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