Drilling machine

Abstract

The utility model discloses a drilling machine, which relates to the technical field of drilling machines, and comprises a placing table, the upper surface of the placing table is fixedly connected with an inverted L-shaped frame, the right surface of the inverted L-shaped frame is slidably connected with a sliding frame, the right surface of the sliding frame is fixedly connected with a main shaft, and the right end of the main shaft is rotatably connected with a turntable; a plurality of evenly-distributed supporting plates are fixedly connected to the left surface of the rotating disc, rotating shafts are rotationally connected into the supporting plates, drill chucks are installed at the outer ends of the rotating shafts, and drill bits are installed on the drill chucks. And the L-shaped positioning pin is inserted into the positioning hole to position the turntable, so that the drill bit can be quickly replaced, and the working efficiency is improved.

Description

Technical Field

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

[0002] A drilling machine refers to a machine tool that mainly uses a drill to machine holes in a workpiece.

[0003] For example, in the utility model patent with announcement number CN211360706U, a drilling machine is disclosed, including a base, a column fixed on the base, a drilling mechanism is provided on the end of the column away from the base, a drill bit is provided on the drilling mechanism, a workbench is fixedly connected to the base, the workbench is arranged between the drilling mechanism and the base, a locking mechanism is provided on the workbench, a first fixed seat is provided on the drilling mechanism, a first screw rod is rotatably connected to the first fixed seat, a first motor is provided on the first screw rod, two groups of sliders with opposite thread rotation directions are threadedly connected to the first screw rod, the slider is slidably connected to the drilling mechanism, clamping parts are provided on the two groups of sliders, the two groups of clamping parts are fitted together to form a through hole that fits the shape of the drill bit, and the drill bit passes through the through hole.

[0004] However, when the utility model is used, when it is necessary to process holes of different sizes, the drill bit is inconvenient to replace, which affects the work efficiency. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a drilling machine to solve the problems raised in the above background technology.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a drilling machine includes a placing table, an inverted L-shaped frame is fixedly connected to the upper surface of the placing table, a dovetail guide rail is fixedly arranged on the right surface of the inverted L-shaped frame, a slide is slidably connected to the dovetail guide rail, a threaded rod is rotatably connected between the inverted L-shaped frame and the placing table, the threaded rod is threadedly connected to the slide, a second motor is fixedly connected to the upper surface of the inverted L-shaped frame, the upper end of the threaded rod passes through the inverted L-shaped frame and is fixedly connected to the driving end of the second motor, and the right surface of the slide is fixed A main shaft is fixedly connected, and a turntable is rotatably connected to the right end of the main shaft. A plurality of evenly distributed positioning holes are opened on the left surface of the turntable. A plurality of evenly distributed support plates are fixedly connected to the left surface of the turntable. A rotating shaft is rotatably connected inside the support plate. A drill chuck is installed on the outer end of the rotating shaft, and a drill bit is installed on the drill chuck. A driven gear is fixedly connected to the inner end of the rotating shaft. A first motor is fixedly connected to the bottom surface of the slide, and a driving gear is fixedly connected to the driving end of the first motor. The driving gear is meshed with the driven gear, and a positioning assembly is provided on the upper surface of the slide.

[0007] Preferably, the positioning assembly includes a pair of fixed plates, an L-shaped positioning pin is slidably connected together in the pair of fixed plates, a limiting ring is fixedly provided on the side surface of the L-shaped positioning pin and is located between the pair of fixed plates, the L-shaped positioning pin sleeve is provided with a spring, the left end of the spring presses against the left fixed plate, and the right end of the spring presses against the limiting ring, and the L-shaped positioning pin is inserted into the positioning hole.

[0008] Preferably, the number of the positioning holes is the same as the number of the support plates.

[0009] Beneficial Effects

[0010] The utility model provides a drilling machine, which has the following beneficial effects:

[0011] 1. The downward movement of the slide can drive the drill bit to move downward, so that a hole can be drilled in the workpiece;

[0012] 2. Rotating the turntable can drive multiple drill bits of different specifications to revolve. The drill bit of the required specification is revolved to the bottom, and the L-shaped positioning pin is inserted into the positioning hole to position the turntable, which realizes the rapid replacement of the drill bit and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is the front view of the utility model;

[0014] Figure 2 for Figure 1 A is an enlarged schematic diagram;

[0015] Figure 3 It is a left view of the turntable in the utility model.

[0016] In the figure: 1. placing table; 2. drill bit; 3. drill chuck; 4. rotating shaft; 5. supporting plate; 6. turntable; 7. driven gear; 8. driving gear; 9. first motor; 10. second motor; 11. slide; 12. threaded rod; 13. dovetail guide rail; 14. inverted L-shaped frame; 15. main shaft; 16. positioning hole; 17. fixing plate; 18. spring; 19. limit ring; 20. L-shaped positioning pin. DETAILED DESCRIPTION

[0017] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0018] Directional terms mentioned in the present invention, such as "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., are only with reference to the directions shown in the drawings. The directional terms used are used to illustrate and understand the present invention, rather than to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0019] See also Figure 1-3 The utility model provides a technical solution: a drilling machine includes a placing table 1, an inverted L-shaped frame 14 is fixedly connected to the upper surface of the placing table 1, a dovetail guide rail 13 is fixedly arranged on the right surface of the inverted L-shaped frame 14, a slide 11 is slidably connected to the dovetail guide rail 13, a threaded rod 12 is rotatably connected between the inverted L-shaped frame 14 and the placing table 1, the threaded rod 12 is threadedly connected to the slide 11, a second motor 10 is fixedly connected to the upper surface of the inverted L-shaped frame 14, the upper end of the threaded rod 12 passes through the inverted L-shaped frame 14 and is fixedly connected to the driving end of the second motor 10, a spindle 15 is fixedly connected to the right surface of the slide 11, a turntable 6 is rotatably connected to the right end of the spindle 15, a plurality of evenly distributed positioning holes 16 are opened on the left surface of the turntable 6, a plurality of evenly distributed support plates 5 are fixedly connected to the left surface of the turntable 6, and the support plate 5 is rotatably connected to the inner surface of the support plate 5. A rotating shaft 4 is connected, a drill chuck 3 is installed on the outer end of the rotating shaft 4, a drill bit 2 is installed on the drill chuck 3, a driven gear 7 is fixedly connected to the inner end of the rotating shaft 4, a first motor 9 is fixedly connected to the bottom surface of the slide 11, a driving gear 8 is fixedly connected to the driving end of the first motor 9, the driving gear 8 is meshed with the driven gear 7, and a positioning assembly is provided on the upper surface of the slide 11; the positioning assembly includes a pair of fixed plates 17, an L-shaped positioning pin 20 is slidably connected in the pair of fixed plates 17, a limiting ring 19 is fixedly provided on the side surface of the L-shaped positioning pin 20 and is located between the pair of fixed plates 17, the L-shaped positioning pin 20 is sleeved with a spring 18, the left end of the spring 18 presses against the left fixed plate 17, and the right end of the spring 18 presses against the limiting ring 19, and the L-shaped positioning pin 20 is inserted into the positioning hole 16; the number of positioning holes 16 is the same as the number of support plates 5.

[0020] Through the personnel in this field, all the electrical components in this case are electrically connected to their corresponding power supplies, and a suitable controller should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should refer to the working sequence between the electrical components in the following working principle to complete the electrical connection. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process, and no longer explains the electrical control.

[0021] Embodiment: According to the specification attached Figure 1-3It can be known that when in use, the workpiece is placed on the placement table 1 so that the hole to be drilled on the workpiece is located directly below the drill bit 2. Starting the first motor 9 can drive the active gear 8 to rotate, and the active gear 8 can drive the driven gear 7 to rotate, and the driven gear 7 can drive the drill bit 2 to rotate. Starting the second motor 10 can drive the threaded rod 12 to rotate, and the threaded rod 12 can drive the slide 11 to move downward, and the downward movement of the slide 11 can drive the drill bit 2 to move downward, so that the workpiece can be drilled. When the drill bit 2 needs to be replaced in order to process holes of different sizes, the L-shaped locating pin 20 can be pulled out of the locating hole 16 by pulling the L-shaped locating pin 20 to the left. Rotating the turntable 6 can drive a plurality of drill bits 2 of different specifications to revolve, and the drill bit 2 of the required specification is revolved downward. Inserting the L-shaped locating pin 20 into the locating hole 16 can position the turntable 6, thereby realizing the rapid replacement of the drill bit 2 and improving the working efficiency. The pressure of the limit ring 19 given by the spring 18 can prevent the L-shaped locating pin 20 from slipping out of the locating hole 16.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A drilling machine, characterized in that: The invention comprises a placing table (1), wherein an inverted L-shaped frame (14) is fixedly connected to the upper surface of the placing table (1), a dovetail guide rail (13) is fixedly arranged on the right surface of the inverted L-shaped frame (14), a slide frame (11) is slidably connected to the dovetail guide rail (13), a threaded rod (12) is rotatably connected between the inverted L-shaped frame (14) and the placing table (1), the threaded rod (12) is threadedly connected to the slide frame (11), a second motor (10) is fixedly connected to the upper surface of the inverted L-shaped frame (14), the upper end of the threaded rod (12) passes through the inverted L-shaped frame (14) and is fixedly connected to the driving end of the second motor (10), a main shaft (15) is fixedly connected to the right surface of the slide frame (11), and the main shaft (15) is fixedly connected to the right surface of the slide frame (11). The right end of the slide (5) is rotatably connected to a turntable (6), a left surface of the turntable (6) is provided with a plurality of evenly distributed positioning holes (16), a left surface of the turntable (6) is fixedly connected to a plurality of evenly distributed support plates (5), a rotating shaft (4) is rotatably connected inside the support plate (5), a drill chuck (3) is mounted on the outer end of the rotating shaft (4), a drill bit (2) is mounted on the drill chuck (3), a driven gear (7) is fixedly connected to the inner end of the rotating shaft (4), a first motor (9) is fixedly connected to the bottom surface of the slide (11), a driving gear (8) is fixedly connected to the driving end of the first motor (9), the driving gear (8) is meshed with the driven gear (7), and a positioning assembly is provided on the upper surface of the slide (11).

2. A drilling machine according to claim 1, characterized in that: The positioning assembly comprises a pair of fixed plates (17), an L-shaped positioning pin (20) being slidably connected together in the pair of fixed plates (17), a limiting ring (19) being fixedly arranged on the side surface of the L-shaped positioning pin (20) and located between the pair of fixed plates (17), the L-shaped positioning pin (20) being sleeved with a spring (18), the left end of the spring (18) pressing against the left fixed plate (17), the right end of the spring (18) pressing against the limiting ring (19), and the L-shaped positioning pin (20) being inserted into the positioning hole (16).

3. A drilling machine according to claim 1, characterized in that: The number of the positioning holes (16) is the same as the number of the support plates (5).

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