CN208146952U - A kind of numeric control drilling machine tool convenient for adjusting - Google Patents

Abstract

The utility model discloses an easy-to-adjust numerical control drilling machine tool, which comprises a bottom plate, a fixed frame is fixed above the bottom plate, a screw rod is connected to the inside of the fixed frame, the upper end of the screw rod is rotatably connected to a fixed block, and a fixed block is arranged inside the fixed block. For the second motor, the front side of the slider is fixed with a fixed shaft, the outside of the fixed shaft is rotatably connected to the workbench, and the end of the fixed shaft extending to the inside of the workbench is fixed with the first gear, and one side of the first gear is engaged with the second gear. Three gears, one side of the third gear is fixed with a second gear, one side of the second gear is meshed with a fourth gear, and the fourth gear is fixed on the output shaft of the first motor. When the utility model is drilling a hole, the drill bit can slide downward at a constant speed, the roughness of the drilled hole is good and it can also protect the drill bit. When drilling an inclined hole, the workpiece can be tilted, and then the inclined hole can be drilled. It is easy to adjust and can drill inclined holes that are difficult to drill with ordinary drilling machines.

Description

An Easy-to-Adjust CNC Drilling Machine Tool

technical field

The utility model relates to the technical field of mechanical processing, in particular to a numerically controlled drilling machine tool which is convenient for adjustment.

Background technique

With the rapid development of modern mechanical processing and the rapid development of mechanical processing technology, many advanced mechanical processing technology methods have gradually emerged. Drilling machines have become one of them. Drilling machines refer to machine tools that mainly use drills to process holes on workpieces. Usually The rotation of the drill bit is the main movement, and the axial movement of the drill bit is the feed movement. When the drilling machine is in use, the drill bit is generally rotated, and the handle is rotated by hand to drive the drill bit downward to drill holes, so that the feed rate of the drill hole is not uniform. The roughness of the hole is relatively rough, and because the worktable cannot be tilted when the drilling machine is drilling, it is more troublesome if you need to drill an inclined hole. You need to use a specific fixture for drilling, and often produce relatively cumbersome fixtures for a simple workpiece. , wasting a lot of manpower and material resources.

Utility model content

The purpose of this utility model is to provide an easy-to-adjust numerical control drilling machine tool to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions: a numerically controlled drilling machine tool that is easy to adjust, including a bottom plate, a fixed frame is fixed above the bottom plate, and a screw rod is engaged and connected to the inside of the fixed frame, and the upper end of the screw rod A fixed block is rotatably connected, and a second motor is arranged inside the fixed block. The output shaft at the bottom of the second motor runs through the fixed block and is fixedly connected with the screw. The lower end of the lower end is slidably connected to the inside of the fixed frame, and the outside of the fixed frame is sleeved with a slider, and the inside of the slider is rotatably connected with a fifth gear, and the fifth gear is connected to the rear side wall of the fixed frame. The rack is meshed and connected, the inside of the slider is provided with a cavity, the inside of the cavity is rotatably connected with a protruding shaft, and the two sides of the protruding shaft are respectively fixed with a first end shaft and a second end shaft, and the second end shaft The inner wall of the cavity is fixedly connected with the fifth gear, the outer end of the first end shaft extends through the slider to the outside, the inside of the protruding shaft is slidably connected with a block through a spring, and the outer end of the block extends to the convex The outside of the shaft and the inner ring surface of the gear sleeve are engaged in movable engagement. The gear sleeve is fixed on the inner side wall of the cavity and arranged on the outside of the protruding shaft. A connecting rope is fixed at the inner end of the clamping block, and the connecting rope The end away from the clamping block goes around the guide wheel and passes through the protruding shaft and the first end shaft and is connected to the screw block, and the screw block is meshed and connected inside the outer end of the first end shaft;

The front side of the slider is fixed with a fixed shaft, the outside of the fixed shaft is rotatably connected to the workbench, and the end of the fixed shaft extending to the inside of the workbench is fixed with a first gear, and one side of the first gear is meshed and connected There is a third gear, one side of the third gear is fixed with a second gear, one side of the second gear is meshed with a fourth gear, the fourth gear is fixed on the output shaft of the first motor, and the first gear is fixed on the output shaft of the first motor. The three gears, the second gear and the fourth gear are all rotatably connected inside the workbench, and the first motor is fixed inside the workbench.

Preferably, a drilling device is provided inside the fixed block.

Preferably, the upper surface of the workbench is provided with a plurality of T-shaped slots.

Preferably, a connecting plate is fixed on the outer side of the first end shaft located on the slider, and a handle is rotatably connected to the end of the connecting plate away from the first end shaft.

Compared with the prior art, the beneficial effect of the utility model is that the utility model can drive the fixed block to slide up and down through the rotation of the screw driven by the second motor, and realize that the fixed block can be driven and fixed by the uniform rotation of the second motor when drilling. The block slides down at a constant speed, which realizes that the drill bit can slide down at a constant speed when drilling. The shaft at one end can drive the slider to slide up and down, and the height of the workbench can be adjusted in advance before drilling, which can reduce the movement stroke of the drill bit and improve work efficiency. The workbench can be rotated at a certain angle to realize drilling inclined holes When using the machine, the workpiece can be tilted, and then the inclined hole can be drilled. The device is easy to adjust, and can drill the inclined hole that is difficult to drill with an ordinary drilling machine.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the local connection structure schematic diagram of base plate, slide block and workbench of the present utility model;

Fig. 3 is a partial connection sectional view of the slider and the workbench of the present utility model;

Fig. 4 is a partial cross-sectional view inside the slider of the utility model;

Fig. 5 is the connection sectional view of base plate, fixed frame and fixed block of the present utility model;

Fig. 6 is a partial connection sectional view of the slider and the fixed frame of the present invention;

Fig. 7 is an internal sectional view of the utility model slider;

Fig. 8 is an exploded view of the connection between the slider and multiple gears of the present invention.

Among the figure: 1, bottom plate, 2, slider, 201, cavity, 3, workbench, 4, fixed frame, 41, rack, 5, screw rod, 6, side plate, 7, fixed block, 8, gear sleeve , 9, protruding shaft, 91, first end shaft, 92, second end shaft, 10, screw block, 11, connecting plate, 12, handle, 13, fixed shaft, 14, first gear, 15, second Gear, 16, the third gear, 17, the first motor, 18, the fourth gear, 19, the fifth gear, 20, the block, 21, the spring, 22, the second motor, 23, the connecting rope.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-8, the utility model provides a technical solution: a numerical control drilling machine tool that is easy to adjust, including a bottom plate 1, a fixed frame 4 is fixed above the bottom plate 1, and the internal engagement connection of the fixed frame 4 is connected with Screw 5, the upper end of the screw 5 is rotatably connected with a fixed block 7, the inside of the fixed block 7 is provided with a second motor 22, the output shaft at the bottom of the second motor 22 runs through the fixed block 7 and is fixedly connected with the screw 5, the fixed block The lower end of 7 is positioned at both sides of screw rod 5 and is fixed with side plate 6, and the lower end of side plate 6 is slidably connected in the inside of fixed frame 4, and fixed block 7 is connected in the inside of fixed frame 4 by two side plates 6 slidingly, and the second The rotation of the motor 22 can drive the screw rod 5 to rotate, and the rotation of the screw rod 5 can drive the fixed block 7 to slide up and down. The outside of the fixed frame 4 is sleeved with a slide block 2, and the inside of the slide block 2 is connected with a fifth gear 19 for rotation. The fifth gear 19 is meshed with the rack 41 on the rear side wall of the fixed frame 4. The rotation of the fifth gear 19 can adjust the height of the slider 2 on the fixed frame 4. The interior of the slider 2 is provided with There is a cavity 201, and the inside of the cavity 201 is rotatably connected with a protruding shaft 9, and the two sides of the protruding shaft 9 are respectively fixed with a first end shaft 91 and a second end shaft 92, and the second end shaft 92 runs through the inside of the cavity 201 The wall is fixedly connected with the fifth gear 19, the outer end of the first end shaft 91 extends through the slider 2 to the outside, and the inside of the protruding shaft 9 is slidably connected with a block 20 through a spring 21, and the outer end of the block 20 is Extending to the outside of the protruding shaft 9 and the inner ring surface of the gear sleeve 8, the clamping block 20 is clamped with the gear sleeve 8 under the elastic force of the spring 21 to ensure that the protruding shaft 9 cannot rotate. 10 pulls the connecting rope 23, and the connecting rope 23 pulls the block 20 to disengage from the gear sleeve 8, and the protruding shaft 9 can rotate, and then the rotating protruding shaft 9 can drive the slider 2 to slide through the rotation of the fifth gear 19, and the tooth The sleeve 8 is fixed on the inner side wall of the cavity 201 and is arranged on the outside of the protruding shaft 9, the inner end of the block 20 is fixed with a connecting rope 23, and the end of the connecting rope 23 away from the block 20 goes around the guide wheel and penetrates The protruding shaft 9 and the first end shaft 91 are connected to the screw block 10, and the screw block 10 is meshed and connected inside the outer end of the first end shaft 91;

The front side of the slider 2 is fixed with a fixed shaft 13, the outside of the fixed shaft 13 is rotatably connected to the workbench 3, and the end of the fixed shaft 13 extending to the inside of the workbench 3 is fixed with a first gear 14. One side of a gear 14 is meshed with a third gear 16, one side of the third gear 16 is fixed with a second gear 15, one side of the second gear 15 is meshed with a fourth gear 18, and the fourth gear 18 is fixed on the output shaft of the first motor 17, the third gear 16, the second gear 15 and the fourth gear 18 are all rotatably connected to the inside of the workbench 3, the first motor 17 is fixed on the inside of the workbench 3, Rotating the first motor 17 can drive the fourth gear 18 to rotate, and the fourth gear 18 drives the third gear 16 to rotate through the second gear 15, and the third gear 16 will drive the workbench 3 to rotate around the fixed shaft 13 central axis. The number of turns is used to adjust the angle of the workbench 3 to process inclined holes. Through the meshing connection of multiple gears, the deceleration effect is achieved, and the inclination angle of the workbench 3 can be controlled more accurately.

Specifically, the inside of the fixed block 7 is provided with a drilling device, and the fixed block 7 slides downwards, which can drive the drill bit at the bottom of the drilling device to carry out drilling operations. The drilling device is a common prior art, and there are many open technologies at present. scheme, and its principle is not where the technical features of the present utility model lie, so it will not be described in detail.

Specifically, the upper surface of the workbench 3 is provided with a plurality of T-shaped slots for fixing workpieces or fixtures.

Specifically, the first end shaft 91 is located on the outer side of the slider 2 and is fixed with a connecting plate 11, and the end of the connecting plate 11 away from the first end shaft 91 is rotatably connected with a handle 12, and the grip 12 can be passed through the connecting plate. 11 drives the first end shaft 91 to rotate.

Working principle: When in use, first fix the fixture on the workbench 3 or directly fix the workpiece on the workbench 3, then turn the screw block 10, the screw block 10 is screwed out, and the connecting rope 23 drives the block 20 to slide inward. Make the clamping block 20 disengage from the locking teeth on the gear sleeve 8, then grasp the handle 12 to rotate, the first end shaft 91 rotates through the second end shaft 92 to drive the fifth gear 19 to rotate, and then drives the slider 2 Slide up and down to adjust the distance between the workpiece and the drill bit, turn the screw block 10 in the opposite direction, and the block 20 is engaged with the gear sleeve 8 again, and then the slider 2 is fixed, the height of the worktable 3 is fixed, and the processing is started. The rotation of the screw rod 5 driven by the second motor 22 can drive the fixed block 7 to slide up and down. When drilling, the uniform rotation of the second motor 22 drives the fixed block 7 to slide downward at a constant speed so as to drive the drill bit at the bottom of the drilling device to perform drilling operations. , the drill bit can slide down at a constant speed when drilling, the roughness of the drilled hole is good, and it can also protect the drill bit and prevent the drill bit from being damaged due to too fast or too slow during the drilling process; if it is necessary to process an inclined hole, start the first step A motor 17, the rotation of the first motor 17 drives the inclination angle of the workbench 3 through a plurality of gears, after the workbench 3 rotates to a suitable angle, the first motor 17 stops rotating, the workbench 3 is fixed, and then the drilling process is carried out, which is convenient practical.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (4)

1. a kind of numerically controlled drilling machine tool that is convenient to adjust, comprises base plate (1), it is characterized in that: the top of described base plate (1) is fixed with fixed mount (4), and the internal engagement of fixed mount (4) is connected with screw rod ( 5), the upper end of the screw (5) is rotatably connected with a fixed block (7), the inside of the fixed block (7) is provided with a second motor (22), and the output shaft at the bottom of the second motor (22) runs through the fixed block ( 7) is fixedly connected with the screw rod (5), and the lower end of the fixed block (7) is positioned at both sides of the screw rod (5) to be fixed with side plates (6), and the lower end of the side plate (6) is slidably connected to the fixed frame (4 ), the outside of the fixed mount (4) is sleeved with a slide block (2), and the inside of the slide block (2) is rotatably connected with a fifth gear (19), and the fifth gear (19) and The rack (41) on the rear side wall of the fixed frame (4) is engaged and connected, and the inside of the slider (2) is provided with a cavity (201), and the inside of the cavity (201) is connected with a protruding shaft ( 9), the first end shaft (91) and the second end shaft (92) are respectively fixed on both sides of the protruding shaft (9), and the second end shaft (92) runs through the inner wall of the cavity (201) and the fifth The gear (19) is fixedly connected, the outer end of the first end shaft (91) extends through the slider (2) to the outside, and the inside of the protruding shaft (9) is slidably connected with the block (20) through the spring (21), The outer end of the block (20) extends to the outside of the protruding shaft (9) and engages with the inner ring surface of the gear sleeve (8), and the gear sleeve (8) is fixed on the inner side wall of the cavity (201) and set on the outside of the protruding shaft (9), the inner end of the block (20) is fixed with a connecting rope (23), and the end of the connecting rope (23) away from the block (20) goes around the guide wheel and penetrates The protruding shaft (9) and the first end shaft (91) are connected to the screw block (10), and the screw block (10) is meshed and connected inside the outer end of the first end shaft (91); The front side of the slider (2) is fixed with a fixed shaft (13), the outside of the fixed shaft (13) is rotatably connected to the workbench (3), and the fixed shaft (13) extends to the inside of the workbench (3) One end of the first gear (14) is fixed, and one side of the first gear (14) is meshed with a third gear (16), and one side of the third gear (16) is fixed with a second gear (15 ), one side of the second gear (15) is meshed with a fourth gear (18), the fourth gear (18) is fixed on the output shaft of the first motor (17), and the third gear (16) , The second gear (15) and the fourth gear (18) are all rotatably connected inside the workbench (3), and the first motor (17) is fixed inside the workbench (3). 2. A conveniently adjustable numerical control drilling machine tool according to claim 1, characterized in that: a drilling device is provided inside the fixed block (7). 3. An easily adjustable CNC drilling machine tool according to claim 1, characterized in that: the upper surface of the workbench (3) is provided with a plurality of T-shaped grooves. 4. A conveniently adjustable CNC drilling machine tool according to claim 1, characterized in that: the first end shaft (91) is fixed on the outer side of the slider (2) with a connecting plate (11), The end of the connecting plate (11) away from the first end shaft (91) is rotatably connected with a handle (12).