Portable automatic drilling machine

Abstract

The invention relates to the related technical field of drilling machines, in particular to a portable automatic drilling machine which comprises an electric hand drill body, a drill bit seat, a drill bit and a drilling auxiliary structure, the drill bit seat is fixedly installed on an output shaft of the electric hand drill body, the drill bit is fixedly installed on the drill bit seat, and the drilling auxiliary structure is fixedly installed on the electric hand drill body. The drill bit base and the drill bit are both arranged in an inner cavity of the drilling auxiliary structure, and the drilling auxiliary structure is used for assisting in guaranteeing the drilling perpendicularity of the drill bit. According to the portable automatic drilling machine, the portable automatic drilling machine is formed by combining the electric hand drill body, the drill bit base, the drill bit and the drilling auxiliary structure, so that the drilling perpendicularity of the drill bit is improved through the drilling auxiliary structure, the hole forming quality is effectively guaranteed, and the drilling yield is effectively improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of drilling machines, in particular to a portable automatic drilling machine. BACKGROUND

[0002] Drilling machine refers to the use of more hard, more sharp tool through the rotary cutting or rotary extrusion way, on the target object leave cylindrical hole or hole of machinery and equipment collectively; The existing patent file with the announcement number CN106670539B discloses a portable automatic drilling machine, which comprises a drilling machine main body, the drilling machine main body comprises a machine shell, the machine shell is provided with a motor and a rechargeable battery, one end of the machine shell is provided with a drill bit, the drill bit is connected with the output end of the motor, the other end of the machine shell is provided with a handle and a switch, the rechargeable battery, the motor and the switch form a loop through the wires, the side surface of the machine shell is provided with an annular clamping plate and a button, the rechargeable battery, the motor and the button form a loop through the wires; it also includes a rack, the rack is provided with a drilling machine carrying hole and a drilling machine clamping hole matched with the shape of the drilling machine main body, the upper end of the drilling machine clamping hole is provided with a mounting groove matched with the shape of the clamping plate, two clamping plates are inserted into the side surface of the mounting groove, the clamping plates are provided with semicircular holes, and the two semicircular holes are combined to form a circular hole matched with the shape of the machine shell; two guide rod insertion holes parallel to the central axis of the drilling machine clamping hole are symmetrically arranged on the two sides of the rack, guide rods are inserted into the guide rod insertion holes, and bases are threadedly installed at the end of the guide rods; But the drilling machine in the above scheme adopts the hand-held mode for drilling, which can easily cause the hole body to be inclined, thereby causing the generation of defective products and affecting the subsequent installation of the component. Therefore, the present application provides a portable automatic drilling machine to solve the above problems. SUMMARY

[0003] The present application aims to provide a portable automatic drilling machine to solve the problems raised in the background art.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a portable automatic drilling machine, comprising: A hand drill main body; A drill bit seat fixedly installed on the output shaft of the hand drill main body; A drill bit fixedly installed on the drill bit seat; A drilling auxiliary structure fixedly installed on the hand drill main body, and the drill bit seat and the drill bit are arranged in the inner cavity of the drilling auxiliary structure; The drilling auxiliary structure is used for assisting to ensure the drilling perpendicularity of the drill bit.

[0005] Preferably, the drilling auxiliary structure includes a sleeve seat, a sleeve, a support spring, a lower connecting plate, a base, and a connector. The sleeve seat is fixedly installed on the main body of the electric drill. The sleeve is movably sleeved on the sleeve seat. A spring seat is integrally formed on the outer wall of the upper end of the sleeve seat. The support spring is sleeved on the sleeve seat, and the upper and lower ends of the support spring are respectively connected to the spring seat and the sleeve. The lower connecting plate is integrally formed with the lower end of the sleeve. The base is connected to the lower connecting plate through the connector.

[0006] Preferably, the lower connecting plate has a primary clearance groove, and the base has a secondary clearance groove. The primary clearance groove, the secondary clearance groove, and the drill bit are coaxially arranged. When the support spring is in the reset state, the end of the drill bit is higher than the lower surface of the lower connecting plate. After the electric drill body is pressed down, the end of the drill bit extends into the secondary clearance groove.

[0007] Preferably, the connector includes a screw, a lower nut, and an upper nut. The screw is integrally formed with the base. The lower connecting plate has a screw hole through which the screw passes. The lower connecting plate is positioned on the screw by the lower nut and the upper nut.

[0008] Preferably, a limiting component is fixedly installed on the base, and a pair of limiting components are symmetrically arranged, and the limiting components are used to limit the workpiece to be drilled.

[0009] Preferably, the limiting component includes a limiting seat and a positioning bolt. The limiting seat is semi-frame shaped, and both ends of the limiting seat are provided with primary threaded holes. The positioning bolt is screwed into the primary threaded holes, and the limiting seat is fixed to the base by the positioning bolt.

[0010] Preferably, a guide groove is provided on the side wall of the sleeve, and a secondary threaded hole is provided on the side wall of the sleeve seat. A limit bolt is threaded into the secondary threaded hole, and the screw of the limit bolt passes through the guide groove. The guide groove is a straight groove. When the support spring is in the reset state, the screw of the limit bolt approaches the upper end of the guide groove.

[0011] Preferably, the inner wall of the sleeve is provided with ball grooves, and multiple sets of ball grooves are evenly arranged on the inner wall of the sleeve, and ball is movably arranged in each ball groove. When the sleeve seat and the sleeve are actually connected, the ball is abutted against the outer wall of the sleeve seat.

[0012] Preferably, the sleeve seat is a circular tube structure, and the sleeve seat is composed of a first seat body and a second seat body. Both the first seat body and the second seat body are semi-circular tube structures, and the first seat body and the second seat body are fixedly connected by fastening bolts.

[0013] Preferably, a limiting groove is formed on the outer side wall of the electric drill body. The limiting groove is an annular groove with a semi-circular cross-section. A limiting protrusion is integrally formed on the inner side wall of the first and second base bodies. When the first and second base bodies are actually connected, the limiting protrusion is embedded in the limiting groove.

[0014] Compared with the prior art, the beneficial effects of the present invention are: 1. By setting up a portable automatic drilling machine consisting of a main body of a hand drill, a drill bit holder, a drill bit, and a drilling auxiliary structure, the drilling verticality of the drill bit is improved through the drilling auxiliary structure, thereby effectively ensuring the quality of the hole and thus effectively improving the yield of the drilled holes. 2. By fixing and installing a limiting component on the base, the workpiece to be drilled is limited, thereby further improving the accuracy of the drilling position. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 for Figure 1 Enlarged schematic diagram of the structure at point A in the middle; Figure 3 This is a half-sectional view of the present invention; Figure 4 for Figure 3 Enlarged schematic diagram of the structure at point B; Figure 5 for Figure 4 Enlarged schematic diagram of the structure at point D; Figure 6 for Figure 3 Enlarged schematic diagram of the structure at point C; Figure 7 This is a schematic diagram of the limiting component structure of the present invention.

[0016] In the diagram: 1. Main body of the electric drill; 2. Drill bit holder; 3. Drill bit; 4. Drilling auxiliary structure; 5. Casing holder; 6. Casing; 7. Support spring; 8. Lower connecting plate; 9. Base; 10. Connector; 11. Limiting component; 12. Primary clearance groove; 13. Secondary clearance groove; 14. Spring seat; 15. Screw; 16. Lower nut; 17. Upper nut; 18. Guide groove; 19. Limiting bolt; 20. Ball bearing; 21. Limiting seat; 22. Positioning bolt; 23. First seat body; 24. Second seat body; 25. Fastening bolt; 26. Limiting groove; 27. Limiting protrusion. Detailed Implementation

[0017] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] Please see Figures 1-7 The present invention provides the following three preferred embodiments: Example 1: A portable automatic drilling machine includes a main body 1, a drill bit holder 2, a drill bit 3, and a drilling auxiliary structure 4. The drill bit holder 2 is fixedly mounted on the output shaft of the main body 1, the drill bit 3 is fixedly mounted on the drill bit holder 2, and the drilling auxiliary structure 4 is fixedly mounted on the main body 1. Both the drill bit holder 2 and the drill bit 3 are located within the inner cavity of the drilling auxiliary structure 4. The drilling auxiliary structure 4 is used to help ensure the perpendicularity of the drill bit 3 during drilling. The drilling auxiliary structure 4 includes a sleeve holder 5 and a sleeve... The system includes a tube 6, a support spring 7, a lower connecting plate 8, a base 9, and a connector 10. The sleeve seat 5 is fixedly installed on the main body 1 of the electric drill. The sleeve 6 is movably fitted onto the sleeve seat 5. A spring seat 14 is integrally formed on the outer wall of the upper end of the sleeve seat 5. The support spring 7 is fitted onto the sleeve seat 5, and the upper and lower ends of the support spring 7 are respectively connected to the spring seat 14 and the sleeve 6. The lower connecting plate 8 is integrally formed with the lower end of the sleeve 6. The base 9 is connected to the lower connecting plate 8 through the connector 10.

[0019] The lower connecting plate 8 has a primary clearance groove 12, and the base 9 has a secondary clearance groove 13. The primary clearance groove 12, the secondary clearance groove 13, and the drill bit 3 are coaxially arranged. When the support spring 7 is in the reset state, the end of the drill bit 3 is higher than the lower surface of the lower connecting plate 8. After the electric drill body 1 is pressed down, the end of the drill bit 3 extends into the secondary clearance groove 13. By setting up a portable automatic drilling machine composed of the electric drill body 1, the drill bit seat 2, the drill bit 3, and the drilling auxiliary structure 4, the drilling verticality of the drill bit 3 is improved by the drilling auxiliary structure 4, thereby effectively ensuring the quality of the hole and effectively improving the yield of the drilled holes.

[0020] The connector 10 includes a screw 15, a lower nut 16, and an upper nut 17. The screw 15 is integrally formed with the base 9. A screw hole is provided on the lower connecting plate 8, through which the screw 15 passes. The lower connecting plate 8 is positioned on the screw 15 by the lower nut 16 and the upper nut 17, which facilitates the adjustment of the distance between the lower connecting plate 8 and the base 9.

[0021] In Example 2, based on Example 1, a limiting member 11 is fixedly installed on the base 9. A pair of limiting members 11 are symmetrically arranged, and the limiting members 11 are used to limit the workpiece to be drilled. By fixing the limiting members 11 on the base 9, the workpiece to be drilled is limited, thereby further improving the accuracy of the drilling position.

[0022] The limiting component 11 includes a limiting seat 21 and a positioning bolt 22. The limiting seat 21 is semi-frame shaped, and both ends of the limiting seat 21 are provided with first-level threaded holes. The positioning bolt 22 is screwed into the first-level threaded holes, and the limiting seat 21 is fixed to the base 9 by the positioning bolt 22, which facilitates the adjustment of the position of the limiting component 11, so as to facilitate drilling of workpieces of different sizes.

[0023] In Example 3, based on Example 2, a guide groove 18 is provided on the side wall of the sleeve 6, and a secondary threaded hole is provided on the side wall of the sleeve seat 5. A limit bolt 19 is threadedly connected in the secondary threaded hole. The screw of the limit bolt 19 passes through the guide groove 18. The guide groove 18 is a straight groove. When the support spring 7 is in the reset state, the screw of the limit bolt 19 approaches the upper end of the guide groove 18, which facilitates the limitation of the movement position of the sleeve 6.

[0024] The inner wall of the sleeve 6 is provided with ball grooves. Multiple sets of ball grooves are evenly arranged on the inner wall of the sleeve 6, and ball 20 is movably arranged in each ball groove. When the sleeve seat 5 and the sleeve 6 are actually connected, the ball 20 is abutted against the outer wall of the sleeve seat 5. The arrangement of the ball 20 effectively reduces the frictional force between the sleeve 6 and the sleeve seat 5.

[0025] The sleeve seat 5 is a circular tube structure, and the sleeve seat 5 is composed of a first seat body 23 and a second seat body 24. Both the first seat body 23 and the second seat body 24 are semi-circular tube structures, and the first seat body 23 and the second seat body 24 are fixedly connected by fastening bolts 25.

[0026] A limiting groove 26 is provided on the outer side wall of the electric drill body 1. The limiting groove 26 is an annular groove with a semi-circular cross-section. A limiting protrusion 27 is integrally formed on the inner side wall of the first base body 23 and the second base body 24. When the first base body 23 and the second base body 24 are actually connected, the limiting protrusion 27 is embedded in the limiting groove 26. The setting of the limiting groove 26 and the limiting protrusion 27 effectively improves the connection stability of the sleeve seat 5.

[0027] Although the illustrative specific embodiments of this application have been described above to enable those skilled in the art to understand this application, this application is not limited to the scope of the specific embodiments. For those skilled in the art, all applications utilizing the concept of this application are protected as long as various variations are within the spirit and scope of this application as defined and determined by the appended claims.

Claims

1. A portable automatic drilling machine, characterized in that: include: Electric drill body (1); Drill bit holder (2), the drill bit holder (2) is fixedly installed on the output shaft of the electric drill body (1); Drill bit (3), which is fixedly mounted on drill bit holder (2); Drilling auxiliary structure (4), the drilling auxiliary structure (4) is fixedly installed on the main body (1) of the electric drill, and the drill bit seat (2) and the drill bit (3) are both set in the inner cavity of the drilling auxiliary structure (4); The drilling auxiliary structure (4) is used to help ensure the drilling verticality of the drill bit (3).

2. The portable automatic drilling machine according to claim 1, characterized in that: The drilling auxiliary structure (4) includes a sleeve seat (5), a sleeve (6), a support spring (7), a lower connecting plate (8), a base (9), and a connector (10). The sleeve seat (5) is fixedly installed on the main body (1) of the electric drill. The sleeve (6) is movably sleeved on the sleeve seat (5). A spring seat (14) is integrally formed on the outer wall of the upper end of the sleeve seat (5). The support spring (7) is sleeved on the sleeve seat (5), and the upper and lower ends of the support spring (7) are respectively connected to the spring seat (14) and the sleeve (6). The lower connecting plate (8) is integrally formed with the lower end of the sleeve (6). The base (9) is connected to the lower connecting plate (8) through the connector (10).

3. The portable automatic drilling machine according to claim 2, characterized in that: The lower connecting plate (8) is provided with a primary clearance groove (12), and the base (9) is provided with a secondary clearance groove (13). The primary clearance groove (12), the secondary clearance groove (13), and the drill bit (3) are coaxially arranged. When the support spring (7) is in the reset state, the end of the drill bit (3) is higher than the lower surface of the lower connecting plate (8). After the electric drill body (1) is pressed down, the end of the drill bit (3) extends into the secondary clearance groove (13).

4. The portable automatic drilling machine according to claim 2, characterized in that: The connector (10) includes a screw (15), a lower nut (16) and an upper nut (17). The screw (15) is integrally formed with the base (9). The lower connecting plate (8) has a screw hole. The screw (15) passes through the screw hole and is positioned on the screw (15) by the lower nut (16) and the upper nut (17).

5. The portable automatic drilling machine according to claim 2, characterized in that: A limiting member (11) is fixedly installed on the base (9). A pair of limiting members (11) are symmetrically arranged, and the limiting members (11) are used to limit the workpiece to be drilled.

6. The portable automatic drilling machine according to claim 5, characterized in that: The limiting component (11) includes a limiting seat (21) and a positioning bolt (22). The limiting seat (21) is a semi-frame type, and both ends of the limiting seat (21) are provided with a first-level threaded hole. The positioning bolt (22) is screwed into the first-level threaded hole, and the limiting seat (21) is fixed to the base (9) by the positioning bolt (22).

7. The portable automatic drilling machine according to claim 2, characterized in that: The sleeve (6) has a guide groove (18) on its side wall and the sleeve seat (5) has a secondary threaded hole on its side wall. A limit bolt (19) is threaded into the secondary threaded hole. The screw of the limit bolt (19) passes through the guide groove (18). The guide groove (18) is a straight groove. When the support spring (7) is in the reset state, the screw of the limit bolt (19) approaches the upper end of the guide groove (18).

8. The portable automatic drilling machine according to claim 2, characterized in that: The inner wall of the sleeve (6) is provided with ball grooves. Multiple sets of ball grooves are evenly arranged on the inner wall of the sleeve (6), and ball (20) is movably arranged in each ball groove. When the sleeve seat (5) and the sleeve (6) are actually connected, the ball (20) is close to the outer wall of the sleeve seat (5).

9. The portable automatic drilling machine according to claim 2, characterized in that: The sleeve seat (5) is a circular tube structure, and the sleeve seat (5) is composed of a first seat body (23) and a second seat body (24). The first seat body (23) and the second seat body (24) are both semi-circular tube structures, and the first seat body (23) and the second seat body (24) are fixedly connected by fastening bolts (25).

10. The portable automatic drilling machine according to claim 9, characterized in that: A limiting groove (26) is provided on the outer side wall of the main body (1) of the electric drill. The limiting groove (26) is an annular groove with a semi-circular cross-section. A limiting protrusion (27) is integrally formed on the inner side wall of the first base (23) and the second base (24). When the first base (23) and the second base (24) are actually connected, the limiting protrusion (27) is embedded in the limiting groove (26).

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