CN102744438B - Pneumatic drilling equipment - Google Patents

Abstract

The invention discloses pneumatic drilling equipment comprising a machine table, wherein a positioning mechanism, a workpiece clamping mechanism and a drilling mechanism are arranged on the machine table; the drilling mechanism comprises a fixed support and a drill body; the drill body comprises an outer barrel, a linear pneumatic drill, and a cylinder; an oilless bush is arranged on the inner wall of the outer barrel, and an inner barrel capable of axially moving is arranged in the oilless bush; an end cover is arranged at the upper end of the inner barrel; the linear pneumatic drill is fixedly arranged in the inner barrel; a fixed cover is arranged at the piston outlet end of the cylinder body of the cylinder; the piston end of the cylinder is connected to the end cover, and the cylinder body of the cylinder is connected to one end of the outer barrel via the fixed cover; and the drill body is arranged above the positioning mechanism. According to the invention, a to-be-drilled piece is placed on the positioning mechanism, and after the to-be-drilled piece is automatically clamped by using the workpiece clamping mechanism, the cylinder pushes the inner barrel to drive the pneumatic drill to press downwards and drill along the oilless bush. The pneumatic drilling equipment is simple in operation, low in production cost, reliable in performance, practical, safe, and capable of reducing the labour intensity.

Description

A pneumatic drilling device

technical field

The invention relates to a drilling device, in particular to a pneumatic drilling device.

Background technique

At present, in order to prevent the corrosion of the automobile exhaust pipe, the water in the exhaust pipe is discharged in time by drilling holes in the tail section of the exhaust pipe to prolong the service life of the exhaust pipe. In the prior art, most of the drilling work at the tail section of the exhaust pipe is done manually, which is not only labor-intensive, time-consuming and labor-intensive, but also has high production costs, and the depth of drilling is difficult to control manually, which makes the product quality The yield rate is low. In addition, the manual punching method is easy to cause injury to the operator, and there is a great potential safety hazard.

Contents of the invention

In view of the above-mentioned technical problems, the object of the present invention is to propose a pneumatic drilling equipment that uses pneumatic instead of manual processing, reduces labor intensity, reduces production costs, and improves the yield of finished products.

The technical solution of the present invention is realized as follows: a kind of pneumatic drilling equipment, comprises machine platform, and described machine platform is provided with positioning mechanism, workpiece clamping mechanism and drilling mechanism; Said drilling mechanism comprises fixed support, Drill body; the drill body includes an outer cylinder, a straight pneumatic drill, and a cylinder; the inner wall of the outer cylinder is provided with an oil-free bushing, and the oil-free bush is provided with an axially movable inner cylinder; The upper end of the inner cylinder is provided with an end cover; the straight pneumatic drill is fixedly arranged in the inner cylinder; the piston end of the cylinder body is provided with a fixed cover; the piston end of the cylinder is connected to the end cover, and the cylinder The cylinder body is connected to one end of the outer cylinder body through a fixed cover; the drill body is arranged above the positioning mechanism.

Preferably, the workpiece clamping mechanism includes a rotary clamping cylinder, the piston end of the rotary clamping cylinder is provided with a pressing arm; the working surface of the pressing arm is provided with an arc-shaped groove.

Preferably, the positioning mechanism includes at least two sets of supports; arc-shaped grooves are provided on the supports.

Preferably, an angle adjustment mechanism is provided between the fixed bracket and the drill body; the angle adjustment mechanism includes a fixing fixture and a guide plate; the guide plate includes a horizontal plate and a vertical plate; the drill body is arranged in the fixing fixture The connecting surface of the vertical plate and the fixing fixture is correspondingly provided with a first groove; the first groove is provided with a first nut, and the vertical plate is connected to the fixing fixture through the first nut; the horizontal plate and the fixing fixture A second groove is correspondingly provided on the connecting surface of the upper end of the bracket, and a second nut is also arranged in the second groove, and the horizontal plate is locked on the upper end of the fixing bracket through the second nut.

Preferably, a bar-shaped groove is axially provided on the outer surface of the inner cylinder; a pinball screw is provided on the inner wall of the outer cylinder, and one end of the pinball screw is inserted into the bar-shaped groove.

Preferably, at least two groups of drilling mechanisms are provided on the machine table.

Due to the application of the above-mentioned technical solution, the present invention has the following advantages compared with the prior art:

In the pneumatic drilling equipment of the present invention, the workpiece to be drilled is placed on the positioning mechanism, and after being automatically clamped by the workpiece clamping mechanism, the cylinder pushes the inner cylinder to drive the straight pneumatic drill along the oil-free liner in the outer cylinder. The sleeve is pressed down to drill holes, the operation is simple, the manufacturing cost is low, and the performance is reliable, practical and safe, and the labor intensity can be reduced at the same time.

Description of drawings

Below in conjunction with accompanying drawing, technical solution of the present invention will be further described:

Accompanying drawing 1 is the three-dimensional structure schematic diagram of a kind of pneumatic drilling equipment of the present invention;

Accompanying drawing 2 is the drill body structure schematic diagram of a kind of pneumatic drilling equipment of the present invention;

Among them: 1. Machine platform; 2. Positioning mechanism; 3. Workpiece clamping mechanism; 4. Drilling mechanism; 5. Angle adjustment mechanism; 11. Fixed bracket; 12. Drill body; 21. Support; 22. Arc 31, rotary clamping cylinder; 32, pressing arm; 33, arc groove; 50, fixed fixture; 51, horizontal plate; 52, vertical plate; 53, first groove; 54, second groove ; 55, strip groove; 121, outer cylinder; 122, straight pneumatic drill; 123, cylinder; the

Detailed ways

The present invention is described below in conjunction with accompanying drawing.

Accompanying drawing 1 is a kind of pneumatic drilling equipment of the present invention, comprises machine platform 1, and described machine platform 1 is provided with positioning mechanism 2, workpiece clamping mechanism 3 and drilling mechanism 4; Said drilling mechanism 4 It includes a fixed bracket 11 and a drill body 12; the drill body 12 includes an outer cylinder 121, a straight pneumatic drill 122, and a cylinder 123; the inner wall of the outer cylinder 121 is provided with an oil-free bushing 124, and the oil-free bushing 124 is provided with an axially movable inner cylinder 125; the upper end of the inner cylinder 125 is provided with an end cover 126; the straight pneumatic drill 122 is fixedly arranged in the inner cylinder 125; The piston end is provided with a fixed cover 127; the piston end of the cylinder 123 is connected to the end cover 126, and the cylinder body of the cylinder 123 is connected to one end of the outer cylinder body 121 through the fixed cover 127; the drill body 12 is arranged above the positioning mechanism 2 The workpiece clamping mechanism includes a rotary clamping cylinder 31, and the piston end of the rotary clamping cylinder 31 is provided with a pressing arm 32; the working surface of the pressing arm 32 is provided with an arc-shaped groove 33; the inner cylinder 125 A bar-shaped groove 55 is arranged on the outer circular surface in the axial direction; a pinball screw (not shown) is provided on the inner wall of the outer cylinder 121, and one end of the pinball screw is inserted into the bar-shaped groove 55; wherein, the positioning mechanism 2 includes at least two A set of supports 21 ; the supports 21 are provided with arc-shaped grooves 22 . Place the pipe to be drilled in the arc-shaped groove 22 of the positioning mechanism 2, and use the rotary clamping cylinder 31 of the workpiece clamping mechanism to drive the pressing arm 32 to automatically rise, rotate, and press down to realize automatic clamping. , the cylinder 123 pushes the inner cylinder 125 to drive the straight pneumatic drill 122 to drill holes along the oil-free bushing 124 inside the outer cylinder 121, wherein the oil-free bushing 124 plays a role of lubrication, so that the drilling operation is simple, Reliable performance.

According to the above technical solution, an angle adjustment mechanism 5 is provided between the fixed bracket 11 and the drill body 12; the angle adjustment mechanism 5 includes a fixing fixture 50 and a guide plate; the guide plate includes a horizontal plate 51 and a vertical plate 52 The drill body 12 is arranged in the fixing fixture 50; the connecting surface of the vertical plate 52 and the fixing fixture 50 is correspondingly provided with a first groove 53; the first groove 53 is provided with a first nut, and the vertical plate 52 is connected to the fixing fixture 50 through the first nut; the connection surface between the horizontal plate 51 and the upper end of the fixing bracket 11 is correspondingly provided with a second groove 54, and a second nut is also arranged in the second groove 54, horizontally The plate 51 is locked on the upper end of the fixing bracket 11 through the second nut.

In order to improve the drilling efficiency, at least two groups of drilling mechanisms are arranged on the machine table.

The above-mentioned embodiments are only to illustrate the technical conception and characteristics of the present invention. Substantial equivalent changes or modifications shall fall within the protection scope of the present invention.

Claims (6)

1. A pneumatic drilling equipment, comprising a machine platform, is characterized in that: the said machine platform is provided with a positioning mechanism, a workpiece clamping mechanism and a drilling mechanism; the said drilling mechanism comprises a fixed support, a drill body; said The drill body includes an outer cylinder, a straight pneumatic drill, and a cylinder; the inner wall of the outer cylinder is provided with an oil-free bushing, and an inner cylinder that can move axially is arranged in the oil-free bush; the inner cylinder The upper end is provided with an end cover; the straight pneumatic drill is fixedly arranged in the inner cylinder; the piston end of the cylinder body is provided with a fixed cover; the piston end of the cylinder is connected to the end cover, and the cylinder body passes through the fixed cover It is connected to one end of the outer cylindrical body; the drill body is arranged above the positioning mechanism. 2. A pneumatic drilling device according to claim 1, characterized in that: the workpiece clamping mechanism includes a rotary clamping cylinder, and the piston end of the rotary clamping cylinder is provided with a pressing arm; the pressing arm works There are curved grooves on the surface. 3. A pneumatic drilling device according to claim 1, characterized in that: said positioning mechanism comprises at least two sets of supports; said supports are provided with arc-shaped grooves. 4. A kind of pneumatic drilling equipment according to claim 1, characterized in that: an angle adjustment mechanism is provided between the fixed bracket and the drill body; the angle adjustment mechanism includes a fixing fixture and a guide plate; the guide The plate includes a horizontal plate and a vertical plate; the drill body is arranged in the fixing fixture; the connecting surface of the vertical plate and the fixing fixture is correspondingly provided with a first groove; the first groove is provided with a first nut, and the vertical The plate is connected to the fixing fixture through the first nut; the connection surface between the horizontal plate and the upper end of the fixed bracket is correspondingly provided with a second groove, and a second nut is also provided in the second groove, and the horizontal plate passes through the second nut Lock on the upper end of the fixed bracket. 5. A pneumatic drilling device according to claim 1, characterized in that: the outer surface of the inner cylinder is axially provided with strip grooves; the inner wall of the outer cylinder is provided with pinball screws, and the pinballs One end of the screw is inserted into the bar-shaped groove. 6. A pneumatic drilling device according to claim 1, characterized in that: at least two groups of drilling mechanisms are arranged on the machine table.

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