KR0134615B1 - Drilling machine fixture - Google Patents

Abstract

The present invention relates to a drilling machine support for supporting a drilling machine to simplify the drilling operation, the frame 10 and the frame 10 to move horizontally along the upper and lower horizontal rails (1) (2) Conveying means for elevating the upper and lower horizontal mounting units 12 and 13, which are moved up and down while being guided by the left and right vertical bars 11, respectively. 15) and the drills 30 are fixedly supported on the upper surface of the horizontal mounts 12 and 13 so as to be able to move back and forth and are constituted by the drill mounts 40.

Description

Drilling Machine Support

Figure 1 (a) is a schematic front view of a drill support according to the present invention, (b) is an enlarged perspective view of the portion (a) of FIG.

2 is a side view of a state in which a drill is installed in a drilling machine support according to the present invention.

Figure 3 (a) is a schematic diagram showing a state in which the drill mount according to the present invention is connected to the electrical wiring mechanism. (B) is an enlarged view of part B of (A) and the side view when it is not in operation. (C) is a side view when in operation.

* Description of the symbols for the main parts of the drawings *

1,2: rail, 10: frame,

11: vertical bar, 11a: outer side of the vertical bar,

12,13: horizontal mounting stand, 15: Shanghai transport vehicle,

16: guide rod, 17: roller,

18: bracket, 20: the first sprocket,

21: first chain, 22: second sprocket,

23: 3rd sprocket, 24: 2nd chain,

25: 4th sprocket, 26: transfer handle,

27: poly, 28: fixing ring,

29: rope, 30: drilling machine,

40: drill mount, 41: tip support,

42: bottom plate, 43: cylinder,

44: bracket, 45: guide bushing,

46: pedestal, 47: feed screw,

48: transfer handle

The present invention relates to a drill support, and more particularly, to a drill support that can be installed on the frame so that the height adjustment and horizontal movement of the drilling machine can be repeatedly carried out without difficulty the same drill operation.

In general, when a large number of rivet holes are to be machined in a large workpiece, such as attaching an intermediate panel to a side wall in a bus manufacturing process, it is common for a worker to drill by moving a drilling machine to each drilling position. to be.

However, such large workpieces usually have a large number of holes to be machined, and because the weight of the drilling machine itself is heavy, it is difficult for the worker to move the drilling machine at each machining position, and the worker directly touches the drilling machine. There was a problem in that the accuracy and productivity fell because of holding the drill.

In addition, when a large thrust is required for drilling, such as in the drilling of thick panels, the operator may apply excessive force to the drill, causing the drill bit to break or fall out of position, causing a safety accident. Was doing.

Accordingly, the present invention has been made in order to solve the problems of the conventional drill operation as described above, by installing the drilling machine in the support, by moving the drill reel machine to the position to be drilled up, down, left and right The purpose of the present invention is to provide a drilling machine support, which enables the drilling operation to be carried out automatically by the worker, so that the drilling work of the same contents can be continuously performed repeatedly.

In order to achieve the above object, the present invention is to install a vertical frame to move left and right along the upper and lower horizontal rails, and a horizontal mount is installed so that the vertical frame can be elevated in the vertical direction, and drilling on each horizontal mount The drill mount for fixed installation of the machine is designed to be able to move forward and backward.

Here, the horizontal mount may be provided in plurality as needed, and these horizontal mounts may be arranged up and down at a predetermined interval to be able to move up and down at once.

And, the drilling machine installed in the drill mount is to move forward and backward along the feed screw rotated by the handle, and the drill is operated by applying current when the drilling machine reaches the correct position by the pneumatically operated cylinder. In addition, the pneumatic cylinder is operated to be drilled to the desired bar position.

Therefore, by using the drilling machine support according to the present invention, the operator does not have to work while holding up the heavy drilling machine to move up or move to a high place by applying a force, thereby improving the convenience and accuracy of the work. Rather, it can eliminate the occupational disease of workers who must perform the same tasks over and over again.

Hereinafter, the drilling machine support according to the present invention will be described in detail according to the accompanying drawings.

Drilling machine support according to the present invention, as shown in Figure 1, the vertical frame 10 is installed to be movable left and right along the upper and lower horizontal rails (1), (2), and the vertical frame (10) Upper and lower horizontal mounts (12) and (13), which are installed across the left and right vertical bars (11) and guided up and down by these vertical bars (11), and each of these horizontal mounts (12) (13). ) Is installed to be able to move forward and backward on the shanghai conveying means (15) and the horizontal mounting (12, 13) and the drill mount 40 is fixed to the upper surface fixed to the upper and lower direction) have.

In addition, guide rods 16 are rotatably installed at the ends of the upper and lower horizontal mounts 12 and 13 through the rollers 17 and the brackets 18, and the guide rods 16 The outer circumferential surface is in rolling contact with each of the outer surfaces 11a, 11 and b of the vertical bar 11.

In addition, the conveying means 15 of the horizontal mounting 12, 13 is, as shown in Figure 1, the first sprocket 20 and the first sprocket (20) installed on one side of the upper horizontal mounting (12) 20) and a second sprocket 22 connected through the first chain 21, a third sprocket 23 installed coaxially with the second sprocket 22, and provided at one end of the lower horizontal mounting 13 And a fourth sprocket 25 connected to the third sprocket 23 through a second chain 24, a transfer handle 26 fixed to the rotation shaft 25a of the fourth sprocket 25, and A pulley 27 engaged with the rotating shaft 20a of the first sprocket 20 through a reduction gear (not shown), and one end is fastened to the pulley 27, and the other end is an upper end of the frame 11. It consists of a rope 29 is fastened to the fixing ring 28 provided in.

In addition, the drill mount 40, as shown in Figure 2, the front support portion 41 for supporting the front end portion of the drilling machine 30 via the roller 41a on the bottom plate 42 The cylinder 43 which pushes the rear end of the drilling machine 30 seated on the front end support part 41 is fixedly installed through the bracket 44 at the rear end of the bottom plate 42. The bottom plate 42 is coupled to the transfer screw 47 of the drill support 46 installed on the horizontal mount 12 and 13 through the guide bushing 45 provided at the bottom thereof. The right hand 47 is fixedly connected to the transfer handle 48 and rotates the transfer handle 48, so that the front and rear on the drill support 46 together with the drilling machine 30, the cylinder 43, and the bottom plate 42. It is structured to be thick.

On the other hand, the upper and lower horizontal mounting brackets 12 and 13 on which the drill mounts 40 as described above are mounted are connected through the adjusting screw rods 31 installed vertically across the mounting brackets 12 and 13. At the lower end of the screw rod 31, a gap adjusting handle 32 is fixedly installed.

Therefore, by turning the handle 32, it is to adjust the height interval of the lower horizontal mount 13 relative to the upper horizontal mount 12.

In addition, the upper horizontal mount 13 rotates the handle 26 to rotate the plurality of sprockets 20, 22, 23, 25, and the rotational force of the sprockets 20, 22, 23, 25 is the pulley 27. The height is adjusted by winding or unwinding the rope 29 to be delivered.

On the other hand, a support 50 is provided between the cylinder bracket 44 and the drilling machine 30, the micro switch 51 is provided at the tip of the support 50, the micro switch 51 is drilling It is arranged close to the rear end of the machine 30 is to be turned on / off in accordance with the movement of the drilling machine (30).

Hereinafter, the operation and effects of the drilling machine support according to the present invention.

The upper and lower rails 1 and 2 are usually fixed to a building or a separate support, and are arranged to be in equilibrium with the workpiece (not shown) to be processed. The frame 10 of the drilling machine support according to the present invention is installed on the rails 1 and 2 arranged as described above so as to be transported freely from side to side through the rails and moved in accordance with an appropriate left and right work place.

Then, the drilling machine 30 is mounted on the drill mount 40 fixed on the horizontal mount 12 and the cylinder 43 is operated so that the piston rod 43a gently pushes the rear of the drilling machine 30. To be fixed. In addition, the upper and lower first transfer handles 26 and the second transfer handles 32 are rotated so that the horizontal mounts 12 and 13 provided with the drill mounts 40 are moved in the up and down directions while the drill mounts 40 ), So that the drilling machines (30) installed on each side are accurately positioned at the upper and lower working positions of the workpiece, respectively.

The front and rear feed handles 48 are then rotated to advance the bottom plate 42 so that the drilling machine 30 is in light contact with the surface of the workpiece (not shown).

When the drilling machine 30 comes into light contact with the surface of the workpiece in this manner, the microswitch 51 is opened as shown in FIG. 3C while the microswitch 51 is turned off as shown in FIG. Is turned on so that the current can be applied to the drilling machine (30).

In this way, after the setting is finished, the main switch 52 is turned on and the push switch 53 is pressed to power the drilling machine 30 to rotate the drilling machine 30.

On the other hand, the solenoid valve 53 for opening and closing the supply of the air supplied to the air cylinder 43 at the same time as the ON switch 53 is ON, by supplying the compressed air into the air cylinder 43, the opening operation, The front end of the piston rod 43a of the air cylinder 43 pushes the rear side of the drilling machine 30 so that the drilling operation is gradually made deep, thereby completing the hole to be drilled.

In this way, when the drilling operation is finished, the push switch 53 is released and the drill is repeated while moving in the left and right direction, and the hole work set at a predetermined position of the workpiece can be repeatedly performed without difficulty, thereby increasing productivity. The drill operation can be performed while the drill is fixed, thereby preventing the safety accident.

Claims (5)

Frame 10 for horizontal movement along the upper and lower horizontal rails (1) and (2), and upper and lower horizontal mounts for elevating in the vertical direction while being guided by the left and right vertical bars (11) of the frame (10). (12) and (13), a conveying means (15) for elevating each of the horizontal mounting brackets (12) and (13) in the vertical direction, and installed on the horizontal mounting brackets (12) and (13) so as to be able to move forward and backward. Drilling machine support consisting of a drill mount 40, the drill 30 is fixed to the upper surface. The guide rods 16 are rotatably installed at the ends of the horizontal mounts 12 and 13 via the brackets 18, and the outer circumferential surface of each of the guide rods 16 is vertical. Drilling machine support, characterized in that to be used in rolling contact with each outer surface (11a) (11b) of the bar (11). According to claim 1, The transfer means 15 is a first sprocket 20 installed in the upper horizontal mounting 12, the second sprocket 20 and the second sprocket connected through the first chain 21 ( 22, a third sprocket 23 provided coaxially with the second sprocket 22, and provided at one end of the lower horizontal mounting base 13 and a second chain 24 with the third sprocket 23; Fourth sprocket 25 connected through, the transfer handle 26 fixed to the rotary shaft 25a of the fourth sprocket 25, the rotating shaft 20a of the first sprocket 20 and the pulley connected through the reducer ( 27) and a rope (29) connected between the pulley (27) and the fixing ring (28) at the top of the flame. According to claim 1, wherein the front end of the drill mount (40) for supporting the front end of the drilling machine 30, 41 is installed on the bottom plate 42 via the roller (41a) so as to be capable of front and rear, At the rear end of the bottom plate 42, a cylinder 43 for pushing the rear end of the drilling machine 30 seated on the tip support part 41 is fixedly installed through the bracket 44, while the bottom plate 42 ) Is coupled to the transfer screw 47 of the drill support 46 installed on the horizontal mount 12 (13) through the guide bushing 45 provided on the bottom surface, the transfer screw 47 is transferred to As the handle 48 is fixedly connected to rotate the transfer handle 48, the drilling machine 30 and the cylinder 43 move forward and backward on the drill support 46 together with the bottom plate 42. Drilling machine support. The drilling machine according to claim 1, wherein a micro switch (51) which is ON / OFF-operated in accordance with the forward and backward movement of the drilling machine (30) is provided on the support (50) behind the drilling machine (30). Support.